Abstract: A system for processing breast tissue images includes an image processing computer and a user interface operatively coupled to the image processing computer, wherein the image processing computer is configured to obtain image data of breast tissue, processing the image data to generate a set of reconstructed image slices, the reconstructed image slices collectively depicting the breast tissue, process respective subsets of the reconstructed image slices to generate a set of image slabs, each image slab comprising a synthesized 2D image of a portion of the breast tissue obtained from a respective subset of the set of reconstructed image slices.

Abstract: Provided is a radiation imaging apparatus, which is configured to acquire radiation exposure image data and non-radiation exposure image data, including: a setting unit configured to set at least one of an order or a frequency of generating offset correction data in association with imaging modes; a correction data generation unit configured to generate the offset correction data associated with each of the imaging modes from the non-radiation exposure image data in the set order or at the set frequency; and an image processing unit configured to correct, with use of the offset correction data, image data that is acquired by imaging a subject.

Abstract: An apparatus and method for computed tomography (CT) imaging to obtain an image from gated projection data, such as electrocardiographic gated projection data used in cardiac CT. The image reconstruction is performed using an iterative reconstruction method to minimize a cost function including a data-fidelity term (e.g., a system-matrix term) and a regularization term. The system-matrix term includes a weighted inner-product of the system-matrix equation, wherein the weighting matrix includes weighting values to correct the unequal data redundancy of the gated projection data.

Abstract: There is provided a sound and vibration information collecting mechanism, which collects low-frequency sound and vibration information with a predetermined frequency or lower from a detection target, the mechanism including a resonance layer, which includes a natural oscillator having a natural frequency within a frequency band of the sound and vibration information being a collection target, and generates a resonance carrier by the natural oscillator emphasizing the sound and vibration information; and a sensor, which detects the resonance carrier. The mechanism detects a bioacoustic signal and a biosignal more accurately than conventionally.

Abstract: A fetal heart rate measuring assembly having a transducer housing with an ultrasound transducer. The transducer housing is adapted to be coupled to the abdomen of a pregnant woman. The assembly has display unit comprising a display, and a wire extending between the transducer housing and the display unit. The assembly further comprises a dry electrode pair, by means of which the fetal heart rate measuring assembly is adapted to measure the heart rate of the pregnant woman. The dry electrode pair is arranged on the display unit.

Abstract: Disclosed is a method for evaluating the physiopathological state of a biological tissue situated near a joint, the method including: measurement of the force and/or of the movement to which the joint is subjected; emission of an ultrasound wave into the tissue; simultaneous acquisition of the ultrasound data, which are received after propagation of an ultrasound wave emitted into the tissue, and of the force and/or movement data of the joint; and processing of the data. Also disclosed is a device for implementing the method.

Abstract: A system for automatic zone visualization employing an ultrasound probe (31) and an ultrasound imaging workstation (32). In operation, ultrasound probe (31) scans an anatomical region, and the ultrasound imaging workstation (32) tracks a generation of an ultrasound volume (42) of an anatomical structure within a patient space responsive to the scan of the anatomical region by the ultrasound probe (31). The ultrasound imaging workstation (32) further tracks a labeling of procedurally-defined zones of the anatomical structure within the ultrasound volume (42) derived from an ultrasound volume model (41) of the anatomical structure labeled with the procedurally-defined zones to thereby facilitate an ultrasound-guided visualization of the anatomical structure.

Abstract: According to various embodiments, there is provided a headset mountable on a head, the headset including a probe for emitting energy into the head. The headset further includes a support structure coupled to the probe. The support structure includes translation actuators for translating the probe along two axes generally parallel to a surface of the head.

Abstract: An apparatus for measuring an amount of urine in a bladder includes a transducer, a switch for selecting one of operational modes, which include a bladder position check mode and a urine amount measurement mode, and a central control unit for operating the apparatus according to the operational mode selected by the switch. The central control unit in the bladder position check mode repeats sequentially predetermined operations until the urine amount measurement mode is selected, the predetermined operations include performing a preliminary scan to a single scan plane related to an aiming direction of the transducer, detecting a center point of the bladder in a ultrasound image, and representing a predetermined mark at the center point of the bladder in the displayed ultrasound image in order to indicate visually a center point of the bladder.

Abstract: A biopsy probe mechanism and method includes an elongate sample receiving member having a longitudinal axis and having a sample receiving notch. The elongate sample receiving member and a cutting cannula are movable relative to one another along a longitudinal axis. A first echogenic feature and a third echogenic feature are established on the elongate sample receiving member and a second echogenic feature and a fourth echogenic feature are established on the cutting cannula. The elongate sample receiving member and the cutting cannula have a first position in which the first echogenic feature is in longitudinal alignment with the second echogenic feature, and in which the third echogenic feature is in longitudinal alignment with the fourth echogenic feature.

Abstract: An ultrasound device and method for calculating an estimated tissue stiffness based on peak on-axis tissue displacement propagating along the axis of an acoustic radiation force (ARF) excitation region are disclosed. Embodiments estimate stiffness by measuring time-to-peak tissue displacement directly along the acoustic radiation force axis. Embodiments achieve a highly accurate tissue stiffness estimate with minimal stiffness estimation error via use of an ultrasound device having less hardware complexity and which results in reduced sequencing complexity.

Abstract: An ultrasound diagnosis apparatus generates first data, based on a result of transmission and reception that are executed when a probe is located at a first position of a subject. The apparatus generates second data, based on a result of transmission and reception that are executed when the probe is located at a second position. Under a first constraint on an orientation of a section, the apparatus extracts, from the first data, first sectional image containing a structural object inside the subject and taken along a direction in which the object extends. Under a second constraint on the orientation of a section, the apparatus extracts, from the second data, second sectional image containing the object and taken along a direction in which the object extends. The apparatus generates joined image data composed of at east a part of the first sectional image and the second sectional image joined together.

Abstract: There are included a data-processing-unit that selects two or more pieces of data from among a plurality of pieces of first element data or from among a plurality of pieces of first reception data generated by subjecting the pieces of first element data to phasing addition processing and that performs superimposition processing on the two or more pieces of data to generate processed data, an image-generation-unit that generates an acoustic wave image on the basis of the processed data, a setting-information-holding-unit that holds setting information on at least one of a transmitting-unit, a receiving-unit, the data-processing-unit, the-image-generation-unit, and a display-control-unit, and a setting-changing-unit that, in a case where a measurement condition is changed, changes setting of at least one of the transmitting-unit, the receiving-unit, the data-processing-unit, the image-generation-unit, and the display-control-unit on the basis of the held setting information, the setting being related to the aco

Abstract: An ultrasonic diagnostic apparatus according to an embodiment includes calculation circuitry, acquisition circuitry, determination circuitry, and scan control circuitry. The calculation circuitry calculates an indicator related to motion of biological tissue in a subject, based on echo data obtained through a pre-scan for the subject. The acquisition circuitry acquires a periodic biological signal of the subject. The determination circuitry specifies at least one tune phase in one cycle of the biological signal acquired during the pre-scan, based on the indicator, and determines a timing of a main scan for the subject, based on the specified time phase and the biological signal acquired after the pre-scan. The scan control circuitry executes the main scan at the timing determined by the determination circuitry.

Abstract: There are included a data processing step of selecting two or more pieces of data from among a plurality of pieces of first element data or a plurality of pieces of first reception data generated by subjecting the pieces of first element data to phasing addition processing, and performing superimposition processing on the two or more pieces of data, a region-of-interest setting step of setting a region of interest in an imaging area, and a processing condition changing step of changing a processing condition in the data processing step, in a case where the region of interest is set in the region-of-interest setting step, on the basis of information on the set region of interest.

Abstract: An ultrasound observation apparatus includes: a frequency analysis unit that analyzes a frequency of the ultrasound signal to calculate frequency spectra according to a reception depth and a reception direction of the ultrasound signal; an optimal attenuation rate setting unit configured to: calculate features of the frequency spectra; perform attenuation correction on the features of the frequency spectra for eliminating influence of attenuation of the ultrasound wave, using attenuation rate candidate values providing different attenuation characteristics which are attenuation characteristics in propagating the ultrasound wave through the observation target, thereby to calculate corrected features of the frequency spectra for each of the attenuation rate candidate values; and set an optimal attenuation rate to the observation target from among the attenuation rate candidate values, based on the corrected features; and an attenuation rate image data generation unit that generates attenuation rate image data f

Abstract: A urine collection device and a moisture-wicking article for use in a system for transporting urine voided from the urethra. The collection device includes an elongated container. The moisture-wicking article is wrapped and secured over an array of side openings in the container, and is disposed in contact with a region surrounding the urethral opening. Urine is drawn from the moisture wicking article through the side openings and into a chamber within the container, in which a plurality of subdivisions of the chamber extend from one end of the container adjacent the array of side openings; a tunnel extends from an output port at the one end of the container; and a collection space is adjacent a closed other end of the container. The chamber subdivisions extend to the collection space so that urine occupying the collection space can be drawn to the output port from the collection space through the tunnel.

Abstract: A flocked swab for collection and transfer of samples of biological material, in which the swab comprises a support body having an elongate conformation and having a first end portion and a gripping portion, and a flocked layer defined by a plurality of fibres attached and arranged on the first portion of the support body by flocking, so as to realize a flocked collecting portion aimed at absorbing a quantity of a sample of biological material, the first portion of the support body being provided with a first weakening portion aimed at enabling and facilitating a selective breakage of the swab at the first portion and a separation of a first part of the flocked collecting portion from a second part of the flocked collecting portion and from the gripping portion.

Abstract: An exemplary system, method and computer-accessible medium can include, for example, receiving information related to a scan(s) of a three-dimensional structure(s) containing a first tissue(s) and a second tissue(s), and providing the information to a system for identifying respective tissue types of the first tissue(s) and the second tissue(s). The structure(s) can be scanned to generate the information. The structure(s) can include a paraffin block(s). The first tissue(s) or the second tissue(s) can be excised. The tissue types can include a cancerous tissue and a non-cancerous tissue, and the first tissue(s) can be identified as the cancerous tissue and the second tissue(s) can be identified as the non-cancerous tissue.

Abstract: A held biopsy device includes a sample-receiving device with a cavity configured to receive at least one tissue sample. The sample-receiving device is movable between a first position and a second position. A liquid supply unit is configured to supply a flushing liquid. The liquid supply unit is operatively connected to the cavity of the sample-receiving device when the sample-receiving device is in the second position, and the liquid supply unit is disconnected from the cavity of the sample-receiving device when the sample-receiving device is not in the second position.

Abstract: A self-contained hand-held biopsy needle has various features relating to automated sampling and recovery. Among the disclosed features are ones suited to fully-disposable single-use automatic biopsy devices, such as light weight, low cost, and simple design.

Abstract: A biopsy system includes an endoscope having an insertion portion provided with a channel and an active bending section disposed in part of the insertion portion, and a treatment tool. The treatment tool has a sheath capable of being inserted into the channel and a needle tube disposed inside the sheath. The sheath has a distal tube portion including a distal end of the sheath and a proximal tube portion fixed to a proximal end of the distal tube portion and less flexible than the distal tube portion. A connecting portion acting as a boundary portion between the distal tube portion and the proximal tube portion is placed in a proximal side relative to a proximal end of a bending section in a positional relationship in which the distal end of the sheath protrudes from a distal end of the channel and is optically observable by the endoscope.

Abstract: A needle tip section of a biopsy needle includes a first beveled surface having a plane extended across a tube axis of a tubular section, a second beveled surface adjacent to and forming an angle with the first, having a plane adjacent to an inner circumferential surface of the tubular section, a third beveled surface adjacent to and forming an angle with the first beveled surface, opposite the second, with an opening portion interposed therebetween and having a plane adjacent to the inner circumferential surface of the tubular section, a first boundary line between the first and second beveled surfaces, and a second boundary line between the first and third beveled surfaces, and the first and second boundary lines are non-parallel straight lines having an interval that gradually increases in a direction from the second toward the first end portion in a tube axis direction of the tubular section.

Abstract: In a puncture needle for an endoscope, in a state in which a distal end of an outer sheath is located in an observation field of an observation optical system of an endoscope and a needle slider is retracted to abut a needle slider engaging section, a distal end of an inner sheath is located closer to a distal side than a proximal end of a raising base in the outer sheath, and a proximal end of the inner sheath is located closer to a proximal side than a needle tip of a needle tube in the outer sheath.

Abstract: A surgical device for suturing body lumen is described, as well as methods for suturing tissue employing the surgical device. The device can include a body having a shaft and a foot for insertion into an opening in a body lumen. The device can include tissue ports between configured to receive tissue surrounding the opening in the body lumen. The foot can include a suture secured to needle capture devices. The device can include needles that can be advanced through tissue and into the needle capture devices. The needle capture devices can then be withdrawn, thereby harvesting the suture, which can then be used to close the opening in the body lumen.

Abstract: Embodiments include coatings for adherence of biomaterials to a tissue. Systems and methods for adapting such coated materials to vascular access closure are further proved.

Abstract: Telescoping catheters are provided that include an outer tubular member and an inner member slidably received within a lumen of the outer member. The outer and inner members include cooperating magnetic elements on their distal ends. The magnetic elements may be mounted at locations to secure the inner member at a first axial position, e.g., a retracted position, using a magnetic attraction between the magnetic elements. The inner member may be moved axially from the first position by overcoming the magnetic attraction such that a predetermined axial force may disengage the magnetic elements to allow the first elongate member to directed from the first position to one or more other axial positions.

Abstract: Devices and methods are provided herein that generally involve suture anchors having one or more anti-backup features configured to resist or prevent backward movement of a suture that is pulled through the suture anchor. In some embodiments, the suture anchor can be configured to permit a suture to slide freely in one direction but resist or prevent suture movement in the opposite direction. For example, cleats can be rotatably mounted within the suture anchor, can project radially outward from an exterior sidewall of the suture anchor, or can project circumferentially from sidewalls of one or more channels formed in the suture anchor's exterior surface.

Abstract: A surgical instrument includes a body, first and second drive elements, a shaft, and a needle applier. The first drive element has a distal portion located at a distal end of the body. The second drive element has a proximal portion located at a proximal end of the shaft. The proximal portion of the second drive element is configured to removably couple with the distal portion of first drive element such that the first and second drive elements are aligned along a common axis and such that the first drive element is configured to communicate motion to the second drive element. The needle applier includes a needle and a drive assembly, which is configured to drive the needle along an orbital path about a rotation axis that is transverse to the longitudinal axis, in response to motion of the second drive element.

Abstract: A surgical kit includes an instrument and two or more cartridges. The instrument includes a body, a shaft assembly, and a cartridge receiving assembly. The cartridge receiving assembly has a movable output feature, which is configured to move in response to activation of the actuation input feature. The cartridges may include a first suturing cartridge and a second suturing cartridge, with first and second suture needles, respectively. The second suture needle may extend along an arc that has a larger radius of curvature than an arc associated with the first suture needle. The cartridges may also include a drive assembly that is operable to drive the needle along an orbital path in response to movement of the actuation input feature. The cartridges may also include features that are operable to apply clips or staples. The cartridges may also include features that are operable to grasp or cut.

Abstract: A packaging for a surgical needle comprises a cartridge. The cartridge comprises a surgical needle and a needle driver configured to engage and move the needle relative to the cartridge. The packaging further comprises a spool comprising a helical channel and a length of suture connected to the needle. At least a portion of the length of suture is wound around the spool. At least a portion of the length of suture is positioned within the helical channel. The suture may include a plurality of barbs.

Abstract: A device for suturing an opening in a tissue, having an elongated shaft, at least two arms movable to a deployed positioning which the arms are non-perpendicular to the shaft, the arms having needle receiving portions; and needles advanceable longitudinally along the shaft toward the needle receiving portions, the needles exiting through side walls of the shaft at a location proximal to the arms.

Abstract: A multiple-firing crimp device comprises crimps, a shaft, a crimp movement assembly, and a snare. Each crimp has an internal hollow. The shaft has a distal crimping location, an exterior surface, and an interior with the clips stacked therein, the crimps moving therein along a longitudinal axis. The shaft defines a lateral opening proximal to the crimping location and communicates the interior to the environment outside the exterior surface. The crimp movement assembly within the shaft delivers the first crimp to the distal crimping location by moving the first crimp longitudinally from a first proximal position into the distal crimping location and returning to a second proximal position without the first crimp. The snare pulls at least one cord from distal of the first crimp through the first crimp and through a portion of the shaft and out the side of the shaft through the lateral opening.

Abstract: A surgical instrument includes a body, at least one user input feature, an elongate shaft, a needle applier, and a motor. The needle applier includes a needle and a drive assembly coupled to the needle. The drive assembly is configured to drive the needle along an orbital path about a rotation axis that is transverse to the longitudinal axis of the shaft, in response to an actuation of the user input feature. The motor is configured provide motion to the needle applier to thereby actuate the drive assembly.

Abstract: A surgical instrument comprising a surgical end effector having an actuation assembly operable to effect a surgical procedure when actuated, a part of the actuation assembly being movable between a first position and second position, and a handle connected to the end effector for actuating the actuation assembly, the handle having a power supply disposed within the handle, a motor disposed within the handle and electrically powered by the power supply, a transmission connecting the motor to the moving part and operational to displace the moving part anywhere between the first and second positions when the motor is operated, and a manual release mechanism that selectively interrupts the transmission and, during interruption, displaces the moving part towards the first position independent of operation of the motor.

Abstract: A surgical stapling instrument comprising an elongate shaft assembly that that defines a shaft axis and includes a surgical end effector that is operably coupled thereto by an articulation joint. The surgical instrument further includes a rotary articulation member that is supported for rotation travel about a rotary axis that is transverse to the shaft axis. A first distal articulation driver assembly and a second distal articulation driver assembly operably interface with the surgical end effector and the rotary articulation member such that rotation of the rotary articulation member causes the first and second distal articulation drivers to articulate the surgical end effector relative to the shaft axis.

Abstract: A surgical stapling instrument comprising an elongate shaft assembly that includes a surgical end effector that is operably coupled thereto by an articulation joint. The surgical instrument may include a first distal articulation driver operably coupled to the surgical end effector and a second distal articulation driver that is coupled to the surgical end effector. At least one driver member may operably engage the first and second distal articulation drivers such that when the first distal articulation driver is moved in a distal direction, the least one driver moves the second distal articulation driver in a proximal direction and when the first distal articulation driver is moved in the proximal direction, the at least one driver member moves the second distal articulation driver in the distal direction.

Abstract: A surgical stapling instrument comprising an elongate shaft assembly that defines a shaft axis and includes a surgical end effector that is operably coupled thereto by an articulation joint. The surgical end effector includes a cartridge support member that is configured to operably support a surgical staple cartridge therein. The surgical instrument further includes a longitudinally movable firing beam that extends through the articulation joint and is selectively axially movable from a starting position to an ending position within the surgical end effector. A firing beam locking assembly comprising a biasing member is operably supported on the articulation joint and is configured to apply a biasing motion to the firing beam to bias the firing beam into a locked position wherein the firing beam is prevented from moving from the starting to the ending position unless an unfired surgical staple cartridge is operably supported in the cartridge support member.

Abstract: A surgical instrument comprising an elongate shaft assembly that defines a shaft axis. An end effector mounting assembly may be movably coupled to the elongate shaft assembly for selective articulation about an articulation axis that is transverse to the shaft axis. First and second jaws may be movably coupled to the end effector mounting assembly such that the first and second jaws are each movable relative to each other and the shaft axis about a common pivot axis between an open position and closed positions. The first and second jaws may close at different closure rates upon the simultaneous application of closure motions thereto.

Abstract: A method and device for controlling the compression of tissue include clamping tissue between a first clamping member and a second clamping member by driving at least one of the clamping members with an electric motor toward a predetermined tissue gap between the clamping members and, during the clamping, monitoring a parameter of the electric motor indicative of a clamping force exerted to the tissue by the clamping members. The method and device include, during the clamping, controlling the electric motor, based on the monitored parameter, to limit the clamping force to a predetermined maximum limit.

Abstract: A surgical device comprising a first jaw member, a second jaw member, a clamping member and a clamp apparatus is disclosed. The clamping member is slidably positioned to translate at least partially through the first jaw member. The clamping member engages the first jaw member and the second jaw member, and has a knife blade for cutting tissue. A flange of the clamping member is configured to engage a cam surface to pivot the second jaw member with respect to the first jaw member from an open position toward an approximated position. The clamp apparatus is movable from a retracted position to an advanced position for preventing a gap between proximal portions of the first jaw member and the second jaw member from exceeding a predetermined distance. The clamping member and the clamp apparatus are separately movable.

Abstract: A surgical instrument for surgically joining tissue includes a handle assembly, an elongate member extending distally from the handle assembly, an end effector disposed adjacent a distal portion of the elongate member, and an actuation assembly operatively associated with the handle assembly. The actuation mechanism includes a thrust bar disposed at least partially within the elongate member and a distal slide member. The thrust bar has a proximal portion, a distal portion, a first lateral side and a second lateral side and is configured to move between proximal and distal positions with respect to the handle assembly. The distal slide member is positioned adjacent the first lateral side of the thrust bar and is adjacent the distal portion of the thrust bar. The proximal portion of the distal slide member is adapted to slide relative to the thrust bar when thrust bar moves in a curvilinear direction.

Abstract: A buttressed anvil assembly is provided for use with a surgical stapling instrument. The buttressed anvil assembly generally includes an anvil member having a strip of buttress material attached thereto by a pair of sutures. A tensioning mechanism is provided to secure or tension the buttress material to the anvil member prior to use and allow for release of the buttress material after stapling of tissue. The tensioning mechanism includes a cinch track engageable with one of the pair of sutures.

Abstract: A surgical stapling apparatus includes a housing, an end effector, fasteners, and one or more surgical buttresses. The end effector is secured to the housing and has first and second jaw assemblies. The first jaw assembly defines slots and the second jaw assembly defines pockets. One or both of the first and second jaw assemblies define recesses. The fasteners are disposed in the slots of the first jaw assembly and are formed by the pockets of the second jaw assembly. The one or more surgical buttresses have a body that includes plugs that are integrally formed with the body for insertion into the recesses to secure the surgical buttress(es) to one or both of the first and second jaw assemblies. The body substantially overlies at least some of the slots of the first jaw assembly and/or at least some of the pockets of the second jaw assembly.

Abstract: A surgical stapling instrument comprising an elongate shaft that includes a surgical end effector that is operably coupled thereto by an articulation joint. The surgical instrument may include a central firing beam support member that extends across the articulation joint and is coupled to the surgical end effector and the elongate shaft assembly. A longitudinally movable flexible firing beam assembly may be configured to traverse the articulation joint. The firing beam assembly may comprise a plurality of beam layers that are supported relative to each other such that at least one of the beam layers is configured to movably pass on one lateral side of the central firing beam support member and at least one other of the beam layers is configured to movably pass on another lateral side of the firing beam support m member.

Abstract: A surgical stapling instrument comprising an elongate shaft assembly that defines a shaft axis and includes a surgical end effector that is operably coupled thereto by an articulation joint. The surgical instrument includes a longitudinally movable flexible firing beam that is configured to flexibly traverse the articulation joint and be selectively axially movable from a starting position to an ending position. A middle support member is movably coupled to the elongate shaft assembly and a portion of the surgical end effector. A proximal support link is located proximal to the middle support member and is configured to provide lateral support to a proximal portion of the flexible firing beam traversing the articulation joint. A distal support link is located distal to the middle support member and is configured to provide lateral support to a distal portion of the flexible support beam traversing the articulation joint.

Abstract: A surgical instrument comprising a surgical end effector that comprises a first jaw and a second jaw that is movably supported relative to the first jaw for selective movement between an open position and closed positions. The surgical instrument further comprises a closure member that is axially movable in response to closing and opening motions. The closure member comprises at least one opening cam that protrudes therefrom to movably engage a corresponding cam surface on the second jaw such that upon application of the opening motion, the at least one opening cam movably engages the corresponding cam surface to move the second jaw to an open position, even when the jaws are under a load.

Abstract: An end effector for use with a surgical apparatus. The end effector comprising a staple cartridge having a tissue contacting surface defining a central longitudinal slot and an anvil plate having a tissue contacting surface defining a central longitudinal slot. A folded surgical buttress configured to overlie each of the tissue contacting surfaces of the staple cartridge and anvil plate and configured to retain the surgical buttress to the tissue contacting surfaces of each of the staple cartridge and anvil plate. The surgical buttress having a first longitudinal portion, a second longitudinal portion, and middle longitudinal portion between the first and second longitudinal portions, wherein the middle longitudinal portion is folded and configured to fit within the central longitudinal slot of each of the staple cartridge and anvil plate.

Abstract: A hemostatic clip comprises a clamping assembly and a clip base. The clamping assembly comprises a clip body and a steel wire buckle sequentially connected; a fixed hinge pin is arranged at the front end of the clip base, the clip body consists of two clamping arms, the tail ends of the two clamping arms are connected through a movable hinge pin, the middle part of each of the two clamping arms is provided with a chute, the fixed hinge pin penetrates through the chutes, and the two clamping arms reciprocate along the chutes so that the clip body can be opened and closed; a bent structure is arranged at the tail end of each chute; and when the clamping arms move to make the fixed hinge pin be located in the bent structures, the two clamping arms are located in the locked and closed position.

Abstract: Devices, methods, and systems are provided for occluding a collateral flow channel between a target lung compartment and an adjacent lung compartment. A video-assisted thoracoscopic device is inserted into a thoracic cavity of a patient and positioned at a fissure between a target lung compartment and an adjacent lung compartment. A collateral flow channel between the target lung compartment and the adjacent lung compartment is then identified using the video-assisted thoracoscopic device and an agent is injected into the collateral flow channel, thereby reducing the collateral flow channel.