Abstract: Hair analysing device, hair examination system and method for providing hair condition information. In various embodiments, a hair analysing device is provided. The hair analysing device can have a device body provided with an adhesive layer on at least one side of its surface and configured to be releasably fastened in or on a user's hair by employing the adhesive layer, at least one sensor arranged in or on the device body for detecting at least a sensor value, and an electronic circuit device arranged in or on the device body, wherein the electronic circuit device is coupled to the at least one sensor for receiving the at least one sensor value, and wherein the electronic circuit device is configured to provide the received at least one sensor value to the user.

Abstract: A device for reducing the health stress on a user is disclosed. The device has the following features: a) a sensor for detecting the posture of the user; b) a neural network that is trained for the following activities: i. categorizing the posture of the user in relation to categories of posture; ii. classifying the posture in relation to a degree of stress on the body of the user due to his posture; and c) an output unit for outputting feedback to the user in order to reduce the health stress.

Abstract: Methods and systems are disclosed herein for a system configured to determine a position of a brain monitoring user device, and a brain state of a user. Based on the determined position and the determined brain state, the system provides access to a set of media guidance application operations corresponding to the determined brain state and to brain regions corresponding to the determined position of the brain monitoring user device.

Abstract: Aspects of the present disclosure provide methods, apparatuses, and systems for accurately determining sleep and wake onset based on a user's personalized physiological parameters for sleep and wake. First, a user is determined to be asleep using population level data. Thereafter, sensor collected data is used to determine the user's distribution of values of a physiological parameter when the user is asleep. This distribution of values is then used, instead of population-level data, to determine the user is asleep in real-time. As a result, the content and interventions are provided to help users get back to sleep. Further, the described techniques allow more accuracy in determining sleep statistics which can guide recommended interventions and therapies.

Abstract: Novel systems and methods use extracted features from audio signals of patient breathing sounds taken during periods of full wakefulness in order to classify patients as either having, or not having, obstructive sleep apnea using a Random Forest machine learning algorithm. In some embodiments, the features are preprocessed then modeled. The models with a high correlation to the response and low overlap percentages are selected for use in the Random Forest classification process.

Abstract: There is provided a system for determining a sound source and a method thereof. The system comprises: an audio sensor; a biosensor for measuring one or more biosignals of a subject; and a processing unit communicatively coupled with the audio sensor and the biosensor, the processing unit configured to perform operations comprising: obtaining audio data from the audio sensor and biosignal data from the biosensor, the audio data and the biosignal data being time-synced with each other, detecting, based on the audio data, a sound exceeding a threshold, and determining that the sound exceeding the threshold originates from the subject if the biosignal data indicates a change in the one or more biosignals at a corresponding time.

Abstract: In the current diagnostic imaging workflow, transfer of handicapped patients between a hospital bed to a patient support of an imaging system and back is performed manually, which may be physically exhausting for staff and uncomfortable for the patient being transferred. Furthermore, this should be avoided in an autonomous scanning environment. Accordingly, the present application proposes an approach for enabling patient pain detection and reduction when using a patient transfer device configured to transfer a patient between a first and a second patient support.

Abstract: Systems, methods, and devices provide alarms and alerts in an on-body networked diabetes management system. Methods may include receiving glucose sensor data from a continuous glucose monitor and determining a dosage of insulin delivery based at least in part on the glucose sensor data. The method may include detecting an alarm or alert condition, and sending a wireless communication regarding the alarm or alert condition to a remote user-interface device. The method may include triggering an audible, visual, or haptic alarm or alert on the insulin delivery device unless an acknowledgement of the alarm or alert condition is received within a predetermined period of time.

Abstract: A system (100), for transdermal monitoring of the alcohol concentration (TAK) in a test subject (10), has an electronic measuring device (10) which is portable on the body of the test subject (1). A measuring module (11) transdermally detects measured values of the alcohol concentration (TAK) in the test subject (2). A transmission module (12) transmits the measured values to a relay station (20) having a receiving module (21), receiving measured values from the transmission module (12) and a sending module (22), sending received measured values to a remotely located monitoring station (30). An energy storage device (13, 23) provides an energy supply of the measuring module (11) which is uncoupled from the energy supply of the relay station (20).

Abstract: Software for calculating an astigmatism treatment is operable upon execution to perform the following steps: receiving biometric information for a patient; determining based on the biometric information an astigmatic correction comprising at least one of (a) a position for one or more limbal relaxing incisions and (b) a power and an orientation for a toric intraocular lens (IOL); generating an output comprising the astigmatic correction; receiving a selection of a different ratio of astigmatic correction attributable to the one or more limbal relaxing incisions and the toric IOL; determining an updated astigmatic correction including at least one of (a) an updated position for the one or more limbal relaxing incisions and (b) an updated power and/or orientation of the toric IOL.

Abstract: Medical system and method for operation of an active implantable medical device (IMD) and an extracorporeal device attached to a patient's skin, comprising: determining data regarding a bodily parameter of the patient by the IMD, processing the determined data and detecting a condition from a plurality of predefined conditions based on the determined data, periodically sending an intra-body communication signal representing the detected condition by the IMD to the extracorporeal device, receiving the intra-body communication signal by the extracorporeal device, providing a predefined notification signal by the extracorporeal device to the patient to motivate the patient to perform a predefined action based on the received intra-body communication signal, sending a termination signal by the extracorporeal device to the IMD, and receiving the termination signal by the IMD and subsequently terminating sending the intra-body communication signal which was initiated by the previously detected condition.

Abstract: A subcutaneous insertable cardiac monitor (ICM) for use in performing long term electrocardiographic (ECG) monitoring is disclosed. The length of the monitoring performed by the ICM is extended, potentially for a life time of the patient, and the functionality of the ICM is enhanced, including enhancing the rate at which data can be offloaded from the ICM, by including an internal energy harvesting module in the ICM. The energy harvesting module harvests energy from outside the ICM, and provides the harvested energy for powering the circuitry of the ICM, either directly or by recharging a power cell within the ICM. As the circuitry of the ICM requires a low amount of electrical power, the harvested energy can be sufficient to support the functioning of the ICM even when the electrical power stored on the ICM at the time of implantation runs out.

Abstract: A hypertonicity measuring device comprises at least one wearable item. The hypertonicity measuring device comprises at least one communication pathway. The at least one communication pathway is configured to communicate with a processing device. The hypertonicity measuring device comprises a sensor array. The sensor array is disposed to the at least one wearable item. The sensor array comprises a plurality of capacitive pressure sensors. The sensor array is configured to communicate capacitive pressure sensor data to the processing device employing the at least one communication pathway. The plurality of capacitive pressure sensors comprises at least one structured dielectric. The hypertonicity measuring device comprises an inertial measurement unit. The inertial measurement unit is disposed to the at least one wearable item. The inertial measurement unit is configured to communicate motion data to the processing device employing the at least one communication pathway.

Abstract: A wearable sensor and method for providing a wearable sensor are disclosed. In a first aspect, the wearable sensor comprises a first module, wherein the first module comprises a top layer, a printed circuit board (PCB) layer, and a bottom layer. The bottom layer comprises a double adhesive layer that adheres to both the PCB layer and the user. The bottom layer includes at least two openings to house at least two electrodes for monitoring of a user. The wearable sensor further comprises a second module coupled to the first module, wherein the first module is disposable and the second module is reusable. In a second aspect, the method comprises providing the aforementioned wearable sensor.

Abstract: A electrocardiogram (EKG) lead attachment with a visual aid device including a plurality of retractable leads, a housing member, a plurality of label designations, a plurality of label designation tags, a lead placement visual aid, and a plurality of color tags. The lead placement visual aid includes an anatomical image of a chest cavity including color coordinated label designations which are each positioned on the anatomical image at a location where a corresponding lead in the first set should be placed on the human body. The plurality of color tags are coordinated to match the colors of the color coordinated label designations in the visual aid. The color designations and tags are used to provide an easy to follow visual aid to an operator for placement of the leads on a human body.

Abstract: A balloon catheter system has a balloon extending in an axial direction and surrounding a balloon interior. The balloon has an outer side facing away from the balloon interior. A catheter is connected to the balloon and extending in the axial direction, the catheter having a lumen in fluid communication with the balloon interior. First and second annular electrodes are disposed on the outer side, each extending in a circumferential direction of the balloon and being located opposite one another in the axial direction. The electrodes are configured to measure one of more of strain of the balloon in the circumferential direction, strain of the balloon in the radial direction, an impedance of tissue of a patient resting against the electrodes, and a redox potential of tissue of the patient contacting at least one of the electrodes.

Abstract: Systems and methods detect cortical arousal events from a single time-varying ECG signal that is obtained via single-lead ECG. A pre-trained deep neural network transforms the ECG signal into a sequence of cortical-arousal probabilities. The deep neural network includes an inception module, a residual neural network, and a long short-term memory neural network to identify structure in the ECG signal that distinguishes periods of cortical arousal from periods without cortical arousal.

Abstract: Methods, systems, and devices for illness detection are described. A method may include identifying physical activity data, sleep data, or both, associated with a user based on physiological data for the user collected via a wearable device throughout a first and second time interval. The method may include inputting the physical activity data, the sleep data, or both, into a classifier, and identifying, using the classifier, a satisfaction of deviation criteria between a subsets of the physical activity data, the sleep data, or both, collected throughout the first and second intervals. The method may further include causing a graphical user interface (GUI) of a user device to display an illness rick metric associated with the user based at least in part on the satisfaction of the deviation criteria, the illness risk metric associated with a probability that the user will transition from a healthy state to an unhealthy state.

Abstract: Methods, systems, and devices for illness detection are described. A method may include receiving physiological data associated with users, the physiological data being continuously collected via wearable devices associated with the respective users. The method may include identifying baseline physiological data for each user based on a first subset of the physiological data for each respective user. The method may include inputting a second subset of the physiological data and the baseline physiological data for each user into a classifier, and identifying an illness risk metric associated with each user based on the second subset of the physiological data and the baseline physiological data for each respective user.

Abstract: The following relates to medical device technology. In one aspect, a score is calculated based on a patient's vital sign information. The score is displayed in a center circle. Spokes corresponding to individual vital signs may extend from the center circle. The spokes may be color coded based on a subscore (e.g. severity level) of the vital sign that they correspond to. A thickness of each spoke may be based on subscore of the corresponding vital sign.

Abstract: An incontinence detection alert system may include a bed configured to receive an occupant and at least one monitor configured to acquire data related to at least one of a status of the bed or a status of the occupant. An incontinence detection system may have circuitry to detect an incontinence event of the occupant. A controller may be configured to receive the data from the at least one monitor and to further receive data related to a time of the incontinence event. A remote device may be configured to receive an alert from the controller before a predicted time of a future incontinence event.

Abstract: An imaging system includes an x-ray tube head, a support arm, and a compression system coupled to the support arm. The compression system is independently rotatable relative to the x-ray tube head and includes a compression paddle, a support platform, and an x-ray receptor. The imaging system also includes a light assembly coupled to the support arm and disposed above the compression paddle. The light assembly is configured to direct one or more beams of light towards the support platform.

Abstract: The present invention relates to user guiding during X-ray imaging. In order to provide further guidance during X-ray imaging, a guiding device (10) for visual guidance during X-ray imaging is provided. The guiding device (10) comprises a camera arrangement (12), a display arrangement (14) and a housing structure (16). The housing structure comprises a housing (18) of an X-ray imaging system for housing an X-ray source or an X-ray detector. Further, the camera arrangement is configured to capture image data of a region of interest of a subject in front of the housing. Furthermore, the display arrangement is configured to present the captured image data as a live presentation of the region of interest. Still further, the camera arrangement is mounted to the housing on a first side (20) of the housing, and the display arrangement is mounted to the housing on a second side (22) of the housing, the second side being at least one of the group of lateral and opposite to the first side.

Abstract: An apparatus for shielding radiation emitted during a medical procedure. The apparatus includes a board positionable on top of a procedure table. The board extends laterally between a first board edge and a second board edge, and longitudinally between a third board edge and a fourth board edge. The board includes a plurality of apertures distributed along at least one of the board edges. At least one radiation shield is removably mountable to the board. The at least one radiation shield includes at least one peg engageable with any one of the apertures in the board. The apparatus can include a body shield assembly and/or an adjustable screen assembly.

Abstract: A system for imaging includes an X-ray source for transmitting X-rays through a subject and a measurement sensor to acquire measurement data related to the subject. A detector is provided in the system to receive the X-ray energy of the X-rays after having passed through the subject. The system further includes a controller that receives the measurement data from the measurement sensor and processes the measurement data using an image processing algorithm to determine varying thickness of the subject at a plurality of locations within an area of interest. The controller further positions a filter between the X-ray source and the subject based on varying thickness of the subject and generates the image of the subject based on the detected X-ray energy at the X-ray detector.

Abstract: An X-ray diagnosis apparatus according to the embodiment disclosed herein includes an X-ray tube configured to have a plurality of focal points and configured to emit X-rays from each focal point, a radiation quality filter configured to change radiation quality of the X-rays emitted from each of the focal points, and a mover configured to move the radiation quality filter in a direction along which the focal points are aligned.

Abstract: Disclosed herein is a method comprising: capturing a first image of a portion of a human using an image sensor inside the human with a first beam of radiation from a radiation source outside the human, while the radiation source is at a first position relative to the image sensor; capturing a second image of the portion of the human using the image sensor with a second beam of radiation from the radiation source outside the human, while the radiation source is at a second position relative to the image sensor; wherein the first position and the second position are different, or the first beam of radiation and the second beam of radiation are different; determining a three-dimensional structure of the portion based on the first image and the second image.

Abstract: A photon-counting X-ray detector includes a converter element constructed to convert incident X-rays into electrical signals in dependence on a deposition of energy in the converter element, and an evaluation device. The evaluation device includes a pulse-generator to generate and output an electrical pulse based upon an electrical signal fed from the converter element; a differentiator to generate a differentiated signal of the electrical pulse output by the pulse-generator; and a first comparator to compare the generated differentiated signal with a first threshold value and, based upon the comparison, to output a binary output signal for a period for which the threshold value is exceeded.

Abstract: A hybrid imaging system, includes a positron emission tomography (PET) scanning system including a gantry having two ends with a patient tunnel extending therethrough, a first secondary scanning system including a gantry having two ends with a patient tunnel extending therethrough and coaxially arranged with the PET scanning system. The second end of the first secondary scanning system's gantry opposes the first end of the PET scanning system's gantry and the two patient tunnels define an extended patient tunnel defined through the PET scanning system and the first secondary scanning system. A first patient handling system (PHS) is positioned adjacent to the first end of the first secondary scanning system's gantry to carry a first patient into the extended patient tunnel, and a second PHS is positioned adjacent to the second end of the PET scanning system's gantry to carry a second patient into the extended patient tunnel.

Abstract: A compression tube attaching-detaching unit is provided with an arm, a connecting pin, and an attaching-detaching mechanism portion. The arm supports a compression tube. The attaching-detaching mechanism portion is removably coupled with the connecting pin to mount the arm on a radiographic fluoroscopic imaging apparatus. The connecting pin has a shaft portion and a flange portion positioned at the tip end of the shaft portion. The attaching-detaching mechanism portion includes a main body, a lid portion, a locking portion, and an unlocking portion.

Abstract: The present invention relates to X-ray imaging. In order to provide a facilitated and space-saving X-ray imaging apparatus, an imaging arrangement (10) for X-ray imaging is provided that comprises a lower movable support arrangement (12) movably holding an X-ray source (14), and an upper movable support arrangement (16) movably holding an X-ray detector (18). The lower movable support arrangement is configured to be mounted to a floor (20), and the upper movable support arrangement is configured to be mounted to a ceiling (22). The lower movable support arrangement comprises a lower boom (24) rotatably attached to a lower base (26). The lower boom comprises two rotatably connected lower arms (28), and the lower base is rotatable around a vertical axis (30). The upper movable support arrangement comprises an upper boom (32) rotatably attached to an upper base (34). The upper boom comprises two rotatably connected upper arms (36).

Abstract: The field of view of an X-ray imaging system should be set appropriately to ensure that anatomical information of interest is not omitted. In particular, it is necessary to ensure that the operator of an X-ray system does not allow a patient to leave the X-ray imaging system until it is certain that the correct anatomy has been imaged. This application discusses a technique enable the visualization of a field of view boundary error caused by the incorrect configuration of an X-ray imaging system. Optionally, the boundary error is displayed either on a user display of a system console, or by projecting the field of view error onto the patient in the X-ray system. Thus, an operator of the system may be alerted to the presence of a boundary error, enabling a new X-ray exposure to be taken, if necessary.

Abstract: The present disclosure relates to techniques for segmenting tumors with positron emission tomography (PET) using deep convolutional neural networks for image and lesion metabolism analysis.

Abstract: A radiation imaging system operable to generate a plurality of radiation images based on different radiation energies, comprises: a communication unit configured to obtain at set communication intervals a temperature of a radiation tube by communication with a radiation generating unit; and a control unit configured to control, based on comparison of the temperature obtained at the communication intervals and a change rate of the temperature and respectively set threshold ranges, an operation for maintaining a driving state of the radiation tube or execution of image processing for obtaining a substance amount of a substance that forms an object using the plurality of radiation images.

Abstract: Provided is a radiographic imaging device including: a first hardware processor; a sensor that includes multiple semiconductor elements arranged two-dimensionally and multiple switch elements respectively connected to the semiconductor elements; a gate driver that causes each of the switch elements of the sensor to switch between a conductive state and non-conductive state so as to release charge from each of the semiconductor elements; and a reader that performs readout of a signal value according to an amount of the charge released by the each of the semiconductor elements of the sensor. The first hardware processor sets an imaging condition that affects a dose of radiation reaching the sensor, selects a gate readout pattern according to the set imaging condition among different gate readout patterns, and drives the gate driver and the reader using the selected gate readout pattern.

Abstract: This present invention relates to a tubeless audible handheld stethoscope without integrated earpieces. The stethoscope has a receiving portion and a processing portion. The processing portion includes a built-in speaker and a clip assembly. The built-in speaker emits the sound of the stethoscope to a medical professional when placed over an area of the part of the patient. The stethoscope allows the medical professional to monitor a patient at a distance and without risking exposure to infection, as well as eliminating the cumbersome wearing of traditional stethoscopes.

Abstract: An image analyzer detects a lesion for each frame (tomographic image). When the lesion is detected, lesion information (detection flag, position information, and size information) is produced. An indication controller causes a mark surrounding the lesion to be displayed when it is judged that a mark display condition is satisfied, based on the lesion information or the like. The indication controller causes the mark to be deleted from a screen when detection of the lesion is continued and a mark display restriction condition is satisfied.

Abstract: Various embodiments of the present disclosure include a thermal ablation probabilistic controller (30) employing an ablation probability model (32) trained to render a pixel ablation probability for each pixel of an ablation scan image illustrative of a static anatomical ablation. In operation, the thermal ablation probabilistic controller (30) spatially aligns a temporal sequence of ablation scan datasets representative of a dynamic anatomical ablation, and applies the ablation probability model (32) to the spatial alignment of the temporal sequence of ablation scan datasets to render the pixel ablation probability for each pixel of the ablation scan image illustrative of the static anatomical ablation.

Abstract: Systems and methods of facilitating the viewing of interventional instruments (e.g., needles, catheters, guidewires, vascular filters, biopsy probes) are disclosed herein. In one embodiment, a portable, handheld or cart-based ultrasound imaging machine is connected to an external laser light source that transmits laser light to a tip of an interventional instrument via one or more optical fibers. The laser light is absorbed at the distal tip of the instrument and generates a photoacoustic signal. The ultrasound imaging machine creates an image by combining data from the received photoacoustic signals with ultrasound echo data to show both tissue in a region of interest and the tip of the interventional instrument.

Abstract: The present disclosure relates generally to nanoparticle-based imaging, binding, and/or therapy at a targeted anatomical location within a subject. In particular, certain embodiments relate to intraluminal devices and systems configured to apply nanoparticles to an imaging target and/or treatment target within an anatomical lumen and to communicate imaging and/or treatment data wirelessly to one or more external devices.

Abstract: Devices, systems, and methods for visually depicting a vessel and evaluating a physiological condition of the vessel are disclosed. One embodiment includes obtaining, at a first time, a first image of the vessel, the image being in a first medical modality, and obtaining, at a second time subsequent to the first time, a second image of the vessel, the image being in the first medical modality. The method also includes spatially co-registering the first and second images and outputting a visual representation of the co-registered first and second images on a display. Further, the method includes determining a physiological difference between the vessel at the first time and the vessel at the second time based on the co-registered first and second images, and evaluating the physiological condition of the vessel of the patient based on the determined physiological difference.

Abstract: The present disclosure is directed to a method and apparatus for holding an eyelid open and preventing involuntary blinking during an ultrasound imaging procedure while ensuring patient safety and comfort. Eyelids can be taped up to the forehead or down to the cheek with common medical tape; however, this does not provide the instrument operator with the ability to adjust or control the amount of eye lid opening very well, nor allow the patient to relax the eyelids between scanning sessions. The present disclosure includes a speculum that can be placed in an eye piece such as used in a precision ultrasound device or other imaging device wherein the optical acoustic and transmission path between the eye and instrument is formed by a fluid such as saline solution and distilled water.

Abstract: The present invention relates to an ultrasonic imaging system and a respective method. The ultrasonic imaging system includes a scanning assembly including an ultrasonic transducer, an adjustable arm, one end of the adjustable arm connected to the scanning assembly, and a counterweight, connected to the other end of the adjustable arm by means of a cable. The ultrasonic imaging system includes a transmission assembly comprising a drive unit and a transmission unit, the drive unit being capable of acting on the counterweight by means of the transmission unit so as to adjust a pressure applied by the scanning assembly to the tissue to be scanned and a control unit, sending a drive signal to the drive unit, and acquiring, on the basis of the drive signal, the pressure applied by the scanning assembly to the tissue to be scanned.

Abstract: A catheter includes a hollow body which extends longitudinally and has at least one first side window and a probe emitting a wave beam, the first side window allowing the radiation of the beam in a region next to the catheter for generating imaging, the catheter also including a longitudinal guiding device allowing a transmission of a movement to an intervention element, the intervention element moving in at least an area of the beam, the intervention angle between the first intervention element and the axis of the catheter being controlled by a remote control system.

Abstract: Aspects of the technology described herein relate to detection of one or more touches by an ultrasound device. An ultrasound device may include touch detection circuitry and may be configured to detect, with the touch detection circuitry, one or more touches on an exterior touch surface of the ultrasound device during ultrasound imaging, and to transmit an indication of detection of the one or more touches to a processing device in operative communication with the ultrasound device during the ultrasound imaging. The processing device may be configured to, in response to receipt of the indication from the ultrasound device, perform an action to control an aspect of the ultrasound imaging based on information included in the received indication. The touch detection circuitry may include capacitive sensing circuitry and/or resistive sensing circuitry to detect a touch made with little or no force.

Abstract: For a classification-dependent user interface in ultrasound imaging with an ultrasound scanner, the ultrasound scanner classifies a view represented in an image. The user interface changes according to the view, allowing one or a few user inputs to be used for different user options or behavior combinations appropriate for the classified anatomy. The context from imaging alters the behavior of a given user input element of the user interface.

Abstract: An ultrasonic diagnostic device according to an embodiment includes processing circuitry. The processing circuitry estimates a health state on the basis of a measurement value measured using ultrasonic image data. The processing circuitry determines an additional examination used to diagnose the health state, on the basis of the estimated health state. The processing circuitry outputs information indicative of the health state and the additional examination.

Abstract: Images may be preprocessed to select pixels or voxels of interest prior to being analyzed by a neural network. Only the pixels or voxels of interest may be analyzed by the neural network to identify an object of interest. One or more slices may be extracted from the voxels of interest and provided to the neural network for analysis. The object may be further localized after identification by the neural network. The preprocessing, analysis by the neural network, and/or localization may utilize pre-existing knowledge of the object to be identified.

Abstract: Disclosed herein are kits and related methods for testing the oral microbiome of an animal for presence of one or more bacteria, e.g, associated with an oral disease or disorder, such periodontal disease, good oral health, or both, in a sample collected from the animal. The kit includes a sample collection device having a handle and a head opposite the handle. The kit further includes a dry container for storing the sample collection device. The container has an open position for receiving at least a portion of the head and a closed position.

Abstract: To provide a sperm collector driving device 100 that detachably holds a sperm collector 200 and rotates the sperm collector 200 in a state of being held, the sperm collector 200 including a core member 210 that is constituted of an elastic material and has an insertion void 214 for a penis provided therein and a container 202 (a container main unit 204) that is constituted of a hollow member having an opening 204b in a base end and having a ventilation hole 204c in a front portion, and accommodates the core member 210 in an internal space, the sperm collector driving device 100 including a holding unit 120 that detachably holds the sperm collector 200, and a driving mechanism DM that rotates the sperm collector 200 held by the holding unit 120 about an axis, and introduces a negative pressure into the container 202 via the ventilation hole 204c.