Abstract: A wand assembly for a vacuum cleaner includes a first wand, a second wand telescopically arranged with the first wand, and a rotatable locking cuff including first and second locking ramps. The first wand includes a first plurality of grooves arranged in a first row and a second plurality of grooves arranged in a second row, with each row extending in a longitudinal direction. The second wand includes first and second locking teeth integrally formed with the second wand and engageable with the respective first and second pluralities of grooves. Rotation of the locking cuff relative to the wands causes the first locking ramp to deflect the first locking tooth into engagement with one of the first plurality of grooves, and causes the second locking ramp to deflect the second locking tooth into engagement with one of the second plurality of grooves to fix a length of the wand assembly.

Abstract: The present disclosure relates to a cleaning system and a method for controlling a cleaning machine. The cleaning system includes a cleaning machine and a base station docking with the cleaning machine to form a physical communication link. The cleaning machine is configured to send work instructions to the base station through the physical communication link after determining that one or more preset conditions are met; and the base station is configured to execute the work instructions.

Abstract: The present disclosure relates to the field of robot technologies and provides a cleaning robot. The cleaning robot includes a robot body, a cleaning device, a collecting device, and a lifting device. The cleaning device is disposed at the bottom of the robot body, and configured to remove, by interfering with a surface to be cleaned, debris from the surface to be cleaned. The collecting device is disposed in the robot body, and includes an inlet through which the debris removed by the cleaning device from the surface to be cleaned enters the collecting device. The lifting device is rotatably disposed on the robot body and configured to lift up the robot body. The inlet is tilted upwards or is perpendicular to ground when the robot body is lifted up by the lifting device.

Abstract: A floor cleaning tool includes a housing that retains a motor for driving a pair of scrubbers configured for rotational motion for contacting the floor below the frame. A baseboard scrubbing assembly is mounted at the front of the housing in a vertical orientation perpendicular to the floor. A baseboard pad simultaneously contacts the baseboard adjacent the floor as the scrubbers are moved across the floor.

Abstract: A cleaning apparatus includes a chassis, a main body, a first chamber, a second chamber, a first suction device, and a second suction device. The main body is rotatably connected to the chassis, the first chamber is arranged on the main body, and the second chamber is communicated to the first chamber. The first suction device is communicated with the first chamber to provide power to drive external liquid into the first chamber, and the second suction device provides power to drive the liquid in the first chamber entering the second chamber. The cleaning apparatus includes a first housing and a second housing. At least part of the first housing is nested in the second housing.

Abstract: The present disclosure provides a broom, specifically a broom head that is made of a single mold and therefore is a single-piece molded article. The broom includes a base member having two opposite faces, a bottom face and a top face. The base member is elongated along a longitudinal direction between first and second ends. An array of bristles intended to perform the sweeping activity protrudes from the bottom face and a rod receptacle configured to receive a rod for handling the broom protrudes from the top face. Each of the bristles of the array is spaced apart from any other bristle. To facilitate utilizing the broom also to sweep small particles, the broom further includes a fine dust sweeping element that protrudes from the bottom face, typically from an edge of the base member extending between the first and second ends.

Abstract: The present invention discloses a water-saving mop bucket, which comprises an outer bucket, an inner bucket, a cover plate assembly and a pedal mechanism, wherein the cover plate assembly is detachably fit in the middle of the inner bucket; the pedal mechanism is installed at the lower part of the outer bucket and extends upward through the inner bucket, and is detachably connected with the cover plate assembly; the water spraying structure of the present invention is arranged in the center, and the sprayed water can flow from the inside to the outside under the centrifugal force, so that the entire mop can be washed, and all the sprayed water can be effectively utilized, thus achieving water saving; meanwhile, the functions of cleaning and dehydration are realized, and the invention has the advantages of time and labor saving, convenient use and the like.

Abstract: A dishwasher includes an input region, a transport apparatus for transporting washware items from the input region to a treatment region and on to an output or removal region. The input region of the dishwasher includes at least one receptacle opening configured such that a washware item to be cleaned is manually insertable into a loading region of the dishwasher, wherein the receptacle opening is associated with a closure element that is movable relative to a machine frame of the dishwasher and between an open position and a closed position. The input region includes an insertion control system that cooperates with the closure element and is configured such that the closure element is only moved into its open position when it is recognized and/or verified with the aid of the insertion control system that the operator of the dishwasher is authorized to clean the washware item to be cleaned.

Abstract: A dish washer includes a cabinet, a tub positioned inside the cabinet, a sump provided in a lower portion of the tub, a case brake provided on a side wall of the tub connected to the sump, and a filter device positioned below the tub inside the cabinet, to selectively filter or unfilter water received from a water supply source, and to supply the filtered water or the unfiltered water to the case brake, the water passed through the case brake is collected in the sump, the case brake is located higher than the sump to prevent a backflow of the water collected in the sump to the case brake.

Abstract: Disclosed are systems and methods for a bag washing support. A bag washing support may include a main support stand extending along an axis. The bag washing support may include a clamping device coupled to the main support. Additionally, the bag washing support may include an extender extending from the main support housing. The bag washing support may also include a clip coupled to an end of the extender, the clip configured to support a plastic bag and hold a bag open for washing and drying. Some examples further include a drying station coupled to the main support stand that may be configured to dry the plastic bag when the plastic bag is installed on the clip.

Abstract: A footwear vacuum assembly includes a mat that is positionable on a floor such that the mat can be stepped upon by a user. The mat has a plurality of suction holes integrated into the mat and the plurality of suction holes can be stepped upon by the user. A suction conduit is integrated into the mat and the suction conduit is in communication with the plurality of suction holes. A nozzle is attached to the mat and the nozzle can be fluidly coupled to a suction hose of a vacuum source. The nozzle is in communication with the suction conduit to suck the debris from soles of the user's shoes into the vacuum source when the user steps on the plurality of suction holes.

Abstract: A medical image processing apparatus includes: a captured image acquisition unit configured to acquire a first captured image obtained by capturing light from an observation target to which light of a first wavelength band is emitted and a second captured image obtained by capturing fluorescence from the observation target excited by excitation light of a second wavelength band; an evaluation value calculation unit configured to calculate, based on the first captured image, an evaluation value used for at least one of a first control of controlling a focus position of an imaging device configured to generate each of the first captured image and the second captured image and a second control of controlling a brightness of the first captured image and the second captured image; and an operation controller configured to execute at least one of the first control and the second control based on the evaluation value.

Abstract: Medical software tools platforms utilize a surgical display to provide access to specific medical software tools, such as medically-oriented applications or widgets, that can assist surgeons or surgical team in performing various procedures. In particular, an endoscopic camera may register the momentary rise in the optical signature reflected from a tissue surface and in turn transmit it to a medical image processing system which can also receive patient heart rate data and display relevant anomalies. Changes in various spectral components and the speed at which they change in relation to a source of stimulus (heartbeat, breathing, light source modulation, etc.) may indicate the arrival of blood, contrast agents or oxygen absorption. Combinations of these may indicate various states of differing disease or margins of tumors, and so forth. Also, changes in temperatures, physical dimensions, pressures, photoacoustic pressures and the rate of change may indicate tissue anomalies in comparison to historic values.

Abstract: An image processing apparatus and an image processing method, according to the present invention, may sense an identifier positioned in a tip to identify unique information such as a serial number of the tip, and may update tip use information assigned to the identified unique information. In some cases, in connection with updating the tip use information, the use information may also be selectively updated based on the type of a scan target to be scanned. Alternatively, a scanning operation of the image processing apparatus may be restricted when a predetermined elapsed time from the removal to the mounting of the tip after scanning an oral cavity is not ensured. Due to the above-mentioned configuration, a user can conveniently recognize when to replace the tip.

Abstract: Devices, systems, and methods for a suction valve assembly for a medical device. The suction valve assembly may include a valve body with a valve well and a bow spring within the valve well. A cap is connected to the bow spring that, when actuated, flexes the bow spring to open the valve. When released, the bow spring unflexes and closes the valve.

Abstract: Medical devices and related methods are described. The medical device may include a shaft, a handle housing a proximal portion of the shaft, and a lock having a first configuration and a second configuration. In the first configuration of the lock, the shaft may be rotatable about a longitudinal axis of the shaft relative to the handle, and, in the second configuration of the lock, the shaft may be stationary relative to the handle.

Abstract: Suction valves for selectively fluidly coupling a suction pump with a working channel. An illustrative suction valve may comprise an elongate shaft having a longitudinal axis and extending from a first end to a second end, at least one aperture extending through a sidewall of the elongate shaft, a rigid base extending radially outward from an outer surface of the elongate shaft, and a compliant member extending between a first surface of the rigid base and the first end of the elongate shaft. In response to an applied force, the compliant member may be configured to compress to move the elongate shaft in a direction parallel to the longitudinal axis of the elongate shaft to a use configuration and in the absence of the applied force the compliant member may be configured to bias the elongate shaft to a rest configuration.

Abstract: Provided herein are scope devices, systems and methods for using a disclosed scope device for an endoscopic procedure. In one aspect, a disclosed device may include a hand piece with a suction and irrigation hand piece which accommodates a sinus scope which allows the scope lens to be cleaned without removing the scope from the operative field.

Abstract: Disclosed are a tip and continuum body connecting structure and an endoscope. The tip and continuum body connecting structure comprises: a tip, which is provided with first snap-fit portions, the first snap-fit portions being located in the circumferential direction of the tip; and a continuum body, which is sleeved with the tip, the continuum body being provided with second snap-fit portions, the second snap-fit portions being located in the circumferential direction of the continuum body, and the first snap-fit portions being snap-fitted with the second snap-fit portions, such that the tip is connected to the continuum body.

Abstract: A system can automatically regulate irrigation, suction, or both, such as during a lithotripsy procedure. The system can include one or more sensors. Processing circuitry can be configured to generate an indication of a level of turbidity of a solution at or near a distal tip of a flexible scope, such as based on one or more signals from the one or more sensors. A control signal can be used to adjust an irrigation flow rate and/or a suction rate at the distal tip of the flexible scope. The level of turbidity can be determined using a sensor to measure electrolytic conductivity of the solution, a sensor to measure electromagnetic induction across a coil at the distal tip of the flexible scope and/or a measure of back reflected light or a measure of absorbed light emitted into the solution by a light source and measured by a light sensor.

Abstract: An accessory sleeve and a method for use is provided. The accessory sleeve includes a cylindrical sleeve body. The cylindrical sleeve body includes an outer surface, an inner surface, the inner surface defining a hollow sleeve channel, and at least one open end. The sleeve body is configured to receive an insertion portion of a medical speculum in the hollow sleeve channel, and the sleeve body is further configured to expand from a first state to a second state.

Abstract: The present disclosure relates to a therapeutic endoscope. The therapeutic endoscope includes a main body, an image sensor unit connected to the main body, and a cover attached to the main body. The cover includes a first opening adjacent to the image sensor unit, a second opening opposite to the first opening, and a sidewall extending between the first opening and the second opening. The sidewall of the cover includes a third opening connecting the first opening and the second opening. When the therapeutic endoscope is used by a user, the third opening is configured to be disposed on a right hand side or a left hand side of the user. The present disclosure also relates to a cover for a therapeutic endoscope.

Abstract: A multifunctional accessory channel device is disclosed. The device comprises a tube, a proximal adapter for attachment of the tube to a control section of an endoscope, and a distal adapter for attachment of the tube at or near a distal tip of an endoscope. The tube has a slit that is reversibly locally openable along the length and the depth of the slit by translation of a portion of an accessory through and along the slit but is otherwise fully closed. The tube has a distal end shaped as a notch. The device allows for removal of large specimens from the body of a patient by use of an endoscope without need for removing the endoscope from its position within the body. The device also serves as a secondary channel, allowing for use of other endoscopic instruments or for accessory suction.

Abstract: A robotic system includes an instrument comprising an outer body and an inner body configured to be driven through a lumen in the outer body, one or more instrument manipulators configured to control movement of the outer and inner bodies, and one or more computer devices configured to store data representing a model of at least a portion of a luminal network, a position of a target with respect to the luminal network, and a path to the target, identify a portion of the luminal network along the path having a shape matching a park assistance signature, and cause an output to be provided indicating an outer body parking position corresponding to the identified portion of the luminal network.

Abstract: The surgical robotic access system provides access for robotic instruments and/or actuators including the introduction, operation and withdrawal of such robotic manipulators into a body cavity without permitting the escape of pressurized fluid or gas. The surgical robotic access system also provides a multi-faceted range of movement without touching or effecting pressure on the opening in the patient's body cavity.

Abstract: An image of a field of view is captured by the endoscope and a portion of the image is displayed on a display. A popup image is generated and displayed upon image analysis identification of an occurrence of bleeding or motion of edges of an incision that is within the field of view, but outside the portion of the field of view displayed on the display.

Abstract: An endoscope includes: an insertion part including a bendable portion configured by connecting plural annular members, the bendable portion has plural incorporated objects including a treatment tool pipe line into which a treatment tool is to be inserted and a wire that is to perform a bending operation of the bendable portion, a pair of insertion members into which the wire is inserted are provided in the annular member to face each other, and in a state of being viewed in an axial direction of the insertion part, the insertion members included respectively in two of the annular members connected with each other are disposed at different positions along a circumferential direction of the annular member, the treatment tool pipe line is disposed in a first space as defined herein, and a first incorporated object and a second incorporated object are disposed as defined herein.

Abstract: An articulation joint for a medical device includes a proximal longitudinal section, a distal longitudinal section, and a locking wire. The proximal longitudinal section defines a lumen and includes proximal articulation links. Each proximal articulation link has a contact surface abutting a contact surface of an adjacent proximal articulation link when the articulation joint is in a straight configuration. The distal longitudinal section is distal to the proximal longitudinal section and includes distal articulation links configured to bend in the first direction. The locking wire extends through the lumen adjacent the contact surfaces of the proximal articulation links. A distal end of the locking wire is fixed to a distal articulation link, and tensioning of the locking wire prevents bending of the proximal longitudinal section in the first direction and allows bending of the distal longitudinal section in the first direction.

Abstract: An invasive instrument has a switching element and an actuation element (608; 826; 934, 962; 2) which operates the switching element. The instrument has a. a locking element (416(m); 516, 704; 716; 718; 734/736; 746/748; 756/758; 1002; 1107/1108) to freeze or limits movement of a deflected or non-deflected condition of a flexible portion of the invasive instrument; the switching element switches the locking element (416(m); 516, 704; 716; 718; 734/736; 746/748; 756/758; 1002; 1107/1108) as controlled by the actuation element, or b.

Abstract: An articulation joint for a medical device has a proximal end and a distal end. The articulation joint includes a plurality of links, one or more actuating wire, and at least one stiffening element. Each link of the plurality of links is configured to articulate relative to adjacent links of the plurality of links. Each actuating wire extends through an actuation channel of the plurality of links. Each actuating wire is fixedly attached proximate the distal end of the articulation joint and translatable relative to the plurality of links to articulate the articulation joint. The at least one stiffening element extends through a stiffening channel of the plurality of links. The at least one stiffening element has a proximal end fixedly attached to one link of the plurality of links and has a distal end fixedly attached to another link of the plurality of links.

Abstract: Methods and systems for providing a flow of fluid to an endoscope. An illustrative container, manifold, and tubing set arranged and configured to couple to an endoscope may comprise a fluid container, a manifold fluidly coupled to the fluid container, and one or more tubing sets coupled to the manifold. The manifold may include an irrigation conduit for providing irrigation fluid from the fluid container to the endoscope, a lens wash chamber configured to receive liquid from the irrigation conduit. In some cases, the manifold may include a pressurized chamber and an adjustable barrier or divider between the pressurized chamber and the lens wash chamber. The adjustable barrier or divider may adjust to push liquid through an outlet in communication with the lens wash chamber in response to the pressurized chamber receiving pressurized gas.

Abstract: An endoscope includes an insertion part incorporating a treatment tool pipe line, an imager, and a part of a cable connected to the imager, a distal end portion of the insertion part has a tubular first member as defined herein, a first housing and a second housing are provided adjacent to each other at a proximal end portion of the first member as defined herein, an opening communicating with the second housing is formed at an outer peripheral surface of the proximal end portion, in a view in an axial direction of the insertion part, the outer peripheral surface of the proximal end portion includes a first region and a second region as defined herein, in the view, the second region and the opening are disposed on opposite sides with the center of the insertion part interposed therebetween, and the first housing is disposed adjacent to the second region.

Abstract: Examples relate to a system for a scientific or surgical imaging system, to a scientific or surgical imaging system comprising such a system, and to a corresponding method and computer program. The system comprises one or more processors and one or more storage devices. The system is configured to obtain information on one or more illumination parameters used by an illumination system, the illumination system being separate from the scientific or surgical optical imaging system, from the illumination system. The system is configured to determine at least one parameter for using an optical imaging sensor of an imaging device of the scientific or surgical optical imaging system based on the one or more illumination parameters.

Abstract: Embodiments of the disclosure may include a medical device comprising an elongate member and a handle assembly connected to the elongate member. The handle housing may house a steering mechanism movable relative to the handle assembly and configured to steer the elongate member along a first plane and a second plane different from the first plane, a camera system configured to capture images from a distal end of the elongate member, and an illumination system configured to provide illuminating light from the distal end of the elongate member.

Abstract: An ophthalmic device (1) of the present invention has an optical head (2) including a light projection optical system (21) that projects light onto a subject eye (E), a light reception optical system (22) that receives light from the subject eye (E), and a fixation lamp (23) for guiding a line-of-sight direction of the subject eye (E), and a turning drive unit that turns the optical head (2) in a horizontal direction while maintaining positional relationships between the light projection optical system (21), the light reception optical system (22), and the fixation lamp (23). The turning drive unit is composed of a rotational drive unit (4) that rotates the optical head (2) in the horizontal direction and a horizontal drive unit (3) that moves the optical head (2) in the horizontal direction.

Abstract: The present disclosure provides improved methods and apparatus for evaluation of an individual's cognitive performance in a fast-paced, visually dynamic environment. The apparatus may comprise a display configured to present a plurality of stimuli to the subject, and a processor coupled to the display, the processor comprising instructions to determine a subject's visual perceptual skills, memory and learning skills, and response command and control skills. The methods and apparatus described herein can evaluate key cognitive processes that underlie split-second decision-making in visually dynamic environments. The results can provide comparison of cognitive skills across individuals performing in a specific environment, as well as evaluations of more targeted sets of cognitive processes for specific positions in an environment that might require unique sets of skills.

Abstract: The present invention describes systems and method for the detection, diagnosis and monitoring of cognitive impairment and Alzheimer's disease. In one example, an integrated system comprising a full-field Fourier domain optical coherence tomography and an image mapping spectrometry is used for generating spectrally resolved volumetric images at wavelengths that show difference in spectral signatures of normal cells compared to spectral signatures of amyloid beta and pTau deposits, and also image inner retinal layers where amyloid beta and pTau deposits may aggregate.

Abstract: The claimed invention relates to the field of medicine, namely to oscillometric means of measuring blood pressure. The automatic tonometer contains a pneumatic cuff with valves (not marked in the figure), pneumatically connected by a hose with a pressure sensor that converts the change in pressure in the pneumatic cuff 1 into an electrical signal, the output of which is connected to the input of the processor through an analogue-to-digital converter that processes the electrical signal, the output of which is connected to the display, which displays the signal in the form of mathematical symbols, graphs, diagrams, according to which blood pressure parameters are set. The proposed automatic tonometer provides an expansion of the functional possibilities of the tonometer application and will allow building an expert system for differential diagnosis of diseases not only of the cardiovascular, but also the nervous and pulmonary systems.

Abstract: The present application relates to a sphygmomanometer comprising a main body and a cuff. As to its mechanical structure, the main body primarily comprises a casing, a circuit board, a reversible air pump, a battery, and a switch installed thereon. As to hardware, the sphygmomanometer integrates thereon a main controlling unit, a driving unit, a detecting unit, and a charging unit, and uses a Bluetooth chip as its controlling chip. The inventive sphygmomanometer is based on the MWI (measuring while inflating) method, and all its operating units except for the switch, as well as a displaying unit, related to blood pressure measurement are provided on a smart terminal bound with the sphygmomanometer by means of wireless communication. In addition, the main body and the cuff are both provided with compact arrangements of internal structures, so as to realize miniaturization and portability of sphygmomanometers while ensuring accurate blood pressure measurement.

Abstract: A cardiac event monitoring system for applying improved ECG morphological analysis for determining abnormal cardiac events is provided. The system includes a wearable cardiac sensing device including physiological sensors such as ECG electrodes, an ECG digitizing circuit configured to provide digitized ECG signals, and a non-transitory memory configured to store the digitized ECG signals. The system also includes a processor in communication with the wearable cardiac sensing device. The processor is configured to extract a predetermined timeseries of ECG data points from the digitized ECG signals, identify ECG feature data points corresponding to a certain ECG feature, determine a minimum ECG morphological region based on the ECG feature data points, identify one or more measurements corresponding to the certain ECG feature using the minimum ECG morphological region, and determine whether the ECG feature data points correspond to an abnormal cardiac event, based on the one or more measurements.

Abstract: A vital sign monitoring device is disclosed that measures the pulse, blood pressure, tissue oximetry, respiratory rate, and EKG lead of a suspect in police custody and/or a police officer. The device is comprised of a base component comprising a blood pressure monitor, a pulse monitor, an oximeter, an EKG lead, and a respiration monitor. The base component is then inserted into a wristband component, such that a user can wear the device on their wrists. The device records vital signs of the user and triggers alarms when vital signs exceed the specific parameters. Further, the device comprises a touchscreen that graphically displays vital signs being monitored.

Abstract: The present disclosure relates to a multi-modal imaging device. The multi-modal imaging device includes: a Raman spectroscopic analysis module configured to obtain Raman spectroscopic information of a target object on a first sampling position by using excitation light; an optical coherence tomography module configured to obtain a tissue structure image of the target object on a second sampling position by using imaging detection light; and a co-localization module configured to control the first sampling position of the excitation light in the Raman spectroscopic analysis module and/or the second sampling position in the optical coherence tomography module according to a determined concerned area of the target object, so that the first sampling position and the second sampling position are spatially co-localized in the concerned area.

Abstract: Described embodiments include an apparatus that includes an expandable structure, configured for insertion into a body of a subject, and a plurality of conducting elements coupled to the expandable structure. Each of the conducting elements comprises a respective coil and has an insulated portion that is electrically insulated from tissue of the subject, and an uninsulated portion configured to exchange signals with the tissue, while in contact with the tissue. Other embodiments are also described.

Abstract: A portable device for detecting a large vessel occlusion in a patient's brain by transmitting a signal into both sides of the brain and receiving the reflections of the transmitted signals to capture a single reflection data point of the characteristics of the blood vessels and brain tissue on both sides of the brain. Using the captured single reflection data point values to perform a comparative analysis between the right and left side of the brain, and based on this analysis, assessing whether the patient is experiencing a large vessel occlusion. If so, the device generates an alert.

Abstract: A prediction device is configured to perform a prediction method to predict a risk of chemotherapy-induced peripheral neuropathy, CIPN, in a test subject. The prediction method comprises receiving (211) perception data comprising low-frequency vibration perception data, LF-VPD, and operating (214) at least one prediction model on the perception data to determine at least one risk variable, which is indicative of a risk that the test subject will develop peripheral neuropathy as a result of chemotherapy. The LF-VPD designates measured perception of vibrations at one or more predetermined locations on one or more limbs of the test subject, and represents, for vibrations at each of one or more predefined frequencies below 64 Hz, a vibration energy that causes the test subject to switch between perception and non-perception of the vibrations.

Abstract: A biological information measurement apparatus includes: a light emitting unit configured to emit laser light to a living body; a light transmission member configured to reflect a part of the laser light and separate the laser light into a first light beam and a second light beam; a first light receiving unit configured to detect the first light beam; and a second light receiving unit configured to detect scattered light.

Abstract: An optical tomography device includes a sample optical path system for injecting light, scanned from a light source, into a sample corresponding to biological tissue; a reference optical path system for collecting the light scanned from the light source; and a detection unit for detecting a tomography image of the sample by interfering with sample light, transmitted from the sample optical path system and reflected from the sample, and reference light transmitted from the reference optical path system. The detection unit comprises: a nonlinear crystal which receives the sample light and the reference light and generates nonlinear light having a different wavelength than the sample light and the reference light; and an image sensor which detects a depth direction signal from the nonlinear light.

Abstract: Disclosed is a method for monitoring medical treatment of tissue. The method includes: receiving fluorescence spectrum measured while tissue is illuminated by laser light emitted by biomedical laser device; obtaining reference fluorescence data from digital library of fluorescence data, based on type of photosensitizer required to be present in tissue; determining region of interest in measured fluorescence spectrum, based on reference fluorescence spectrum in reference fluorescence data; determining whether signal to noise ratio of measured fluorescence spectrum in region of interest is greater than first threshold; when such determination is true, determining correlation coefficient indicative of correlation between region of interest and reference fluorescence spectrum; determining whether correlation coefficient is greater than second threshold; and when such determination is true, determining that photosensitizer is present in tissue.

Abstract: A system for analyzing a reflected signal during a laser procedure can include a surgical scope. A first light source emitter can be configurable to emit a first signal having a first (e.g., a non-visible) spectrum. A second light source emitter can be configurable to emit a second signal having a second spectrum (e.g., a visible or infrared (IR) spectrum). Each of the first or the second light source emitters can be coupled to or included within the surgical scope. The system can include an optical sensor configurable to detect and analyze a third signal returned from the surface of an object in response to the emitted second signal. The returned third signal can be analyzed to determine whether a reflected absolute or relative intensity or an absolute or relative spectral signature meets at least one criterion, thereby triggering at least one of: warning a user or adjusting the first signal.

Abstract: The present disclosure provides a multi-modal imaging device based on Raman spectroscopy and optical coherence tomography. The multi-modal imaging device based on Raman spectroscopy and optical coherence tomography includes: a Raman spectroscopic analysis module configured to obtain Raman spectroscopic information of a target object on a first sampling position by using excitation light; an optical coherence tomography module configured to obtain at least one two-dimensional tissue structure image of the target object on a second sampling position by using imaging detection light; and a co-localization module configured to control the first sampling position of the excitation light in the Raman spectroscopic analysis module and/or the second sampling position in the optical coherence tomography module according to a determined concerned area of the target object, so that the first sampling position and the second sampling position are spatially co-localized in the concerned area.