38 results about "Heart position" patented technology

The invention discloses a CCTA image-based full coronary artery tree complete automatic segmentation and blood vessel center line extraction system, and the system comprises a positioning module which is used for carrying out the positioning and extraction of a heart according to a CCTA image; the extraction module is used for performing primary extraction of coronary artery tree segmentation according to the CCTA image after heart positioning to obtain a coronary artery tree; the repairing module is used for extracting the center line of the blood vessel based on the extracted coronary artery tree, and extending the center line at the breakpoint to connect the fractures, or further extending the incomplete center line to the tail end of the blood vessel to obtain a repaired center line; the supplementing module is used for supplementing the coronary artery tree structure and repeating the steps of blood vessel repairing and coronary artery tree supplementing to obtain a coronary artery blood vessel area; and the reconstruction module is used for obtaining a coronary artery tree blood vessel result according to the multiple planes of the reconstructed blood vessel. According to the method, full-automatic accurate extraction of the complete coronary vessel tree can be realized, and technical innovation and clinical application of coronary imaging are promoted.

The invention relates to the technical field of radar measurement, and discloses a millimeter wave radar-based heart rate high-precision measurement method and system, and the method comprises the steps: searching a thoracic cavity target through a frequency modulation continuous wave radar, positioning a heart position, and extracting a complex signal corresponding to the heart motion; performing calculation of different dimensions on the complex signal, and obtaining a preliminary heart rate value through mutual verification of calculation results; through a three-level verification mechanism of motion interference elimination, clutter interference elimination and breathing harmonic interference elimination, confidence degree checking is conducted on the initial heart rate value, and a high-reliability result is reserved; based on a high-reliability result of the preliminary heart rate value, data in the recent preset time period are calculated with higher precision, and the final heart rate value is output, so that the accuracy rate of radar measurement of the heart rate can be greatly improved, meanwhile, multiple interferences are effectively inhibited, low-cost hardware is adapted, the applicability to broad-spectrum crowds and complex scenes is enhanced, only the high-reliability heart rate value is output, and the method is suitable for popularization and application. And the heart rate instantaneous change is dynamically responded.

Methods of generating a graphical representation of cardiac information on a display screen are provided. The method comprises: electronically creating or acquiring an anatomical model of the heart including multiple cardiac locations; electronically determining a data set of source information corresponding to cardiac activity at the multiple cardiac locations; electronically rendering the data set of source information in relation to the multiple cardiac locations on the display screen. Systems and devices for providing a graphical representation of cardiac information are also provided.

A pad carrying an array of ECG electrodes can be used to measure ECG signal amplitudes and AMSA, a signal analyzer determines a cardiac position with respect to the pad, and an indication of cardiac position with respect to indicia can be provided on a top surface of the pad for output to the user to guide in performing chest compressions during CPR. The pad may integrate a defibrillator electrode. The apparatus may be an automated external defibrillator (AED).

The utility model discloses an anti-bump cup and an anti-bump bra. The anti-bump cup comprises a front collar structure, a cup body structure and a lower support structure, the cup body structure is of an L-shaped structure and comprises a body part extending from the heart-shaped milk passing point position to the clamping and bending position and a front shoulder strap part formed by extending upwards from the edge, close to the clamping and bending position, of the body part. The lower support structure is fixedly combined with the lower edge of the body part, the front collar structure is located between the body part and the front shoulder strap part, the lower edge of the front collar structure is fixedly combined with the upper edge of the body part, and the side, away from the heart-shaped position, of the front collar structure is fixedly combined with the front shoulder strap part; the thickness of the front collar structure is smaller than that of the cup body structure, and the thickness of the lower support structure is smaller than that of the cup body structure. The body parts and the front shoulder strap parts at the cup body structures are designed to be L-shaped integrally, so that the lateral thrust is enhanced, the lifting and supporting force and the gathering effect of the bra are remarkably improved by increasing the overall stress area, the stability after wearing is guaranteed, and the slender effect of the neck of a woman is visually improved by the connected front shoulder strap parts.

The invention belongs to the field of heart nursing, and particularly relates to a heart nursing device with a phototherapy function, the heart nursing device comprises a shell and a movable patch used for being pasted to a human body, the shell is connected with the movable patch through a magnetic attraction buckle, and an irradiation hole is formed in the movable patch; a plurality of irradiation windows are formed in the bottom of the shell and correspond to the irradiation holes; a power supply part, a driving plate and a lamp panel are arranged in the shell, a display window is formed in the top of the shell, a plurality of illuminators are arranged on the lamp panel and correspond to the illumination window, a charging pcb is arranged on the driving plate, the power supply part and the lamp panel are electrically connected with the driving plate, a connecting hole is formed in the side edge of the shell, and the connecting hole is communicated with the display window. A connecting piece is arranged at the position of the connecting hole and used for being connected with a hanging rope, the device can be fixed to the heart of the human body through the movable patch, light therapy is conducted on the heart through the irradiation window, and therefore the effects of assisting in treating cardiovascular and cerebrovascular diseases, promoting blood circulation, expanding blood vessels and avoiding symptom aggravation are achieved. And a connecting piece penetrates through a hanging rope to be worn on the human body, so that the anti-falling device is further prevented from falling off, and the anti-falling device is easy to carry.

The application discloses an intelligent wearing system and a control method thereof, and relates to the technical field of wearable devices. The intelligent wearing system comprises a first intelligent hand wearing device, wherein the first intelligent hand wearing device comprises a pressure sensor, a bone voiceprint sensor, a first processor and a first communication module. The bone voiceprint sensor is arranged on the outer surface of the first intelligent hand wearing device and is used for collecting a bone voiceprint signal representing a heart rate when being attached to a heart position and sending the bone voiceprint signal to the first processor. The pressure sensor is used for detecting a pressure value at the bone voiceprint sensor and sending the pressure value to the first processor. The first processor is used for uploading the bone voiceprint signal to a terminal device in communication connection with the intelligent wearing system through the first communication module when the pressure value is within a preset pressure value range. When the first intelligent hand wearing device is an intelligent ring, the heart rate detection can be carried out without being affected by skin color, body sweat and a detection posture.

The invention relates to the technical field of biological signal acquisition, and provides a chest impedance and electrocardiosignal parallel acquisition system and method based on a common electrode. The excitation single-chip microcomputer is used for generating excitation sine waves; the constant current source is used for generating excitation current based on the excitation sine wave; the matrix switch network is used for simulating the multiplexer by a plurality of chips, and each chip independently controls and selects paired excitation electrodes and receiving electrodes in a plurality of electrodes; the differential receiving circuit is used for collecting the thoracic impedance signals of the receiving electrodes in a differential mode; the electrocardio integrated chip is connected with the electrode at the heart position in the plurality of electrodes and is used for collecting electrocardio signals; the receiving single-chip microcomputer is used for correcting the chest impedance signal through the electrocardiosignal and calculating the impedance amplitude based on the chest impedance signal. And the accuracy of lung function evaluation is effectively improved.

The utility model discloses a one-piece mold cup and a bra applying the same, and relates to the field of clothing. The one-piece mold cup comprises two cup bodies and a heart-shaped position, the heart-shaped position is located between the two cup bodies, the heart-shaped position and the cup bodies are integrally formed and connected, and a plurality of air holes are formed in the cup bodies and the heart-shaped position; a main groove and an auxiliary groove are formed in the inner side surface of the cup body; the upper end of the main groove is located in the middle of the side edge of the cup body, the lower end of the main groove is located on the lower edge, close to the heart-shaped position, of the cup body, and the main groove is integrally in an arc shape bent towards the lower edge of the cup body. The upper end of the auxiliary groove is connected with the main groove, and the lower end is located below the cup body. According to the conjoined mold cup, the main groove and the auxiliary groove are formed in the inner side surface of the cup body, the better ventilation, heat dissipation and sweat guiding effects are achieved, the heart-shaped position and the cup body are of an integrated connection structure, the tension strength of the heart-shaped position can be improved, the cup is not prone to running, and the breast shape is prevented from expanding outwards.

The utility model discloses a structure stable type bra with detachable and replaceable baffle piece, including bra main part and detachable and replaceable baffle piece. Bra main part includes bra cup part, and the both sides of bra cup part are equipped with first side ratio and second side ratio respectively, and first, second side ratio respectively through axillary extension to back and correspond to form first, second back ratio, bra cup part includes first cup, second cup and heart position, the upper edge of first cup is equipped with first connecting position, and the upper edge of second cup is equipped with second connecting position, and heart position is equipped with third connecting position, and the lower extreme of first side ratio is equipped with fourth connecting position, and the lower extreme of second side ratio is equipped with fifth connecting position, and the terminal of first back ratio is equipped with sixth connecting position, and the terminal of second back ratio is equipped with seventh connecting position, and through the layout of multiple connecting positions, the structure stability of bra is strengthened, and detachable and replaceable baffle piece is detachably connected on external surface through multiple movable connecting pieces. The detachable connection of detachable and replaceable baffle piece realizes the convenience of use and maintenance.

The present application relates to the technical field of medical devices, in particular to a medical device for ICU intensive care unit, comprising a bearing shell, a step type advancing dosing member and an infusion control system are integrated in the bearing shell, a height adjusting cavity is arranged in the bearing shell, the advancing dosing member is vertically and slidingly connected in the height adjusting cavity, and an adjusting driving assembly is arranged in the height adjusting cavity; a heart height collecting and positioning assembly is arranged on the side wall of the bearing shell, the heart height collecting and positioning assembly is provided with a signal tag which is pasted on the body side corresponding to the heart position of the patient, the heart height collecting and positioning assembly receives the spatial position information of the signal tag, and the relative height difference between the signal tag and the advancing dosing member is calculated based on the spatial position information. The present application integrates the heart height collecting of the patient, realizes the real-time acquisition of the heart position of the patient and the automatic adjustment of the height of the advancing dosing member, realizes the intelligent adjustment of the height of the syringe, reduces the interference of the hydrostatic pressure on the infusion precision, and ensures the stability of the infusion precision.

This invention discloses a dual-polarized directional backtracking millimeter-wave health monitoring system, characterized by: a dual-polarized passive directional backtracking antenna and a millimeter-wave continuous-wave frequency-modulated radar. The dual-polarized passive directional backtracking antenna is attached to the chest at the patient's heart location, and can forward the received electromagnetic waves back to the direction of origin in an orthogonal polarization. The millimeter-wave continuous-wave radar includes a millimeter-wave transceiver circuit, a transmitting antenna, and a receiving antenna array. The millimeter-wave transceiver circuit includes a frequency sweep source, a transmitting channel, an MCU circuit, a DSP circuit, and a receiving channel. This invention's health monitoring system has a simple structure, high sensitivity, and low cost. In large-scale application scenarios, a single millimeter-wave radar terminal can monitor all patients within the area.

The invention relates to a method for determining at least one monitoring parameter for monitoring cardiac stimulation during a magnetic resonance imaging (MRI) scan of a patient, a MRI scanner, and a computer program. According to the method, the patient is positioned in the MRI scanner. The patient's cardiac position relative to the MRI scanner is determined. The at least one monitoring parameter is determined based on a monitoring model as a function of the patient's cardiac position.

The utility model discloses a fixing device for mouse heart perfusion, which belongs to the technical field of medical instruments and comprises a square plate, a first groove is arranged in the middle of the square plate, a first threaded lead screw is rotatably connected in the first groove in a penetrating manner, and clamping plates are respectively in threaded connection with two sides of the first threaded lead screw. A first rotating handle is fixedly connected to one end of the first threaded lead screw, a square groove is formed in the square plate, a second groove is formed in the square plate, a second threaded lead screw is rotatably connected in the second groove in a penetrating mode, and a push plate is connected to the second threaded lead screw in a threaded mode; a mouse is placed between two groups of clamping plates on a square plate, the two groups of clamping plates can be driven to move towards the middle at the same time by manually rotating a first threaded screw rod, the mouse is clamped, then a push plate can be pushed to slide by rotating a second threaded screw rod, and then the heart position of the mouse is located above a square groove. And heart perfusion is facilitated.

Disclosed are an interaction apparatus of wrist-worn device and a wrist-worn device. The interaction apparatus of wrist-worn device includes a main structure including a housing and a mainboard disposed on the housing, and a signal acquisition portion disposed protruding from a side peripheral surface of the housing, the signal acquisition portion includes a physiological sound sensor used for detecting heart sound signals or lung sound signals. The physiological sound sensor collects a vibration signal of the heart or lung and transmits the signal to the mainboard, the mainboard processes the signal to monitor the heart or lung. According to the present disclosure, the cost of replacing the wristband is reduced; the original inner structure of the housing is prevented from being modified; and when the hand is lifted, the signal acquisition portion can be directly attached to the heart position or the lung position for signal detection.

Electrophysiological activity can be mapped using an electroanatomical mapping system. Using electrophysiological data from a clique of at least four non-coplanar electrodes, the mapping system derives a three-dimensional vectorcardiogram for the clique; analyzes a shape of the vectorcardiogram; identifies first and second omnipolar electrograms for the clique; defines an activation direction for the clique; and computes a conduction velocity magnitude for the clique, thereby determining a cardiac activation vector at the cardiac location. The cardiac location can be classified as pathological when the orientations of the first and second omnipolar electrograms differ by more than a threshold amount and / or when the shape of the three-dimensional vectorcardiogram satisfies at least one of a non-planarity criterion and a directional criterion. Various graphical representations of the foregoing analyses are contemplated.

The invention discloses a blood pressure instrument with a position calibration function, and belongs to the field of medical equipment, the blood pressure instrument comprises a telescopic support, an air bag, a cuff, a host, a reference point position sensor, a measuring point position sensor and an inflator pump, the air bag is fixed in the center of the top end of the telescopic support; the measuring point position sensor is arranged on the outer surface of the cuff, the reference point position sensor is adhered to the heart position of a patient through a mushroom buckle, and the pressure sensor is arranged on the inner surface of the cuff; the inflator pump and the host are placed at the top end of the telescopic support and located on the two sides of the air bag, the inflator pump communicates with the air bag, and the pressure sensor, the reference point position sensor and the measuring point position sensor are electrically connected with the host; the host can give an alarm and display a blood pressure value. When the blood pressure is measured, an alarm is given when the measuring point and the heart position are at different heights, the height of the measuring point position is adjusted in real time through the air bag, and the device is suitable for family self-measurement, community medical treatment and outdoor voluntary diagnosis.

In a described example, a method includes constructing a data structure including a representation of locations, within a given cardiac region, visited by a catheter during a build phase for a model of at least the given cardiac region. The method can also include receiving an electrogram associated with one or more first electrodes of the catheter at locations in a patient's heart and receiving an electrophysiological signal associated with second electrodes at respective substantially fixed locations relative to the patient's heart. The method can also include identifying, based on the electrogram and the electrophysiological signal, a cardiac region corresponding to a respective one or more of the locations of the one or more first electrodes in the patient's heart. On a graphical user interface, visual indicia can be displayed based on the identified cardiac region and the given cardiac region.

Electrophysiological activity can be mapped using an electroanatomical mapping system. Using electrophysiological data from a clique of at least four non-coplanar electrodes, the mapping system derives a three-dimensional vectorcardiogram for the clique; analyzes a shape of the vectorcardiogram; identifies first and second omnipolar electrograms for the clique; defines an activation direction for the clique; and computes a conduction velocity magnitude for the clique, thereby determining a cardiac activation vector at the cardiac location. The cardiac location can be classified as pathological when the orientations of the first and second omnipolar electrograms differ by more than a threshold amount and / or when the shape of the three-dimensional vectorcardiogram satisfies at least one of a non-planarity criterion and a directional criterion. Various graphical representations of the foregoing analyses are contemplated.

The invention relates to the technical field of blood flow monitoring, in particular to a coronary artery blood flow monitor which comprises a mounting frame, a blood flow monitor body is movably arranged in the mounting frame, a wire arrangement frame is fixedly connected to the back face of the mounting frame, and a disinfection assembly is arranged on the back of the wire arrangement frame. A monitoring assembly is arranged in the disinfection assembly, a disinfection cover frame is fixedly connected to the back face of the wire arranging frame, and a liquid storage box and a dirty liquid box are fixedly connected to the upper end and the lower end of the disinfection cover frame correspondingly. According to the coronary artery blood flow monitoring device, the coronary artery blood flow monitoring device can be in butt joint with the chest and heart position of a patient in a more adaptive mode, monitoring operation is completed, and in the actual using process, a worker firstly installs the whole blood flow monitoring device body into the installation frame; at the moment, the interface in the blood volume monitor body can be adaptively attached and connected with the contact joint on the front surface of the flat cable rack from the connecting groove of the mounting frame.

The embodiment of the present application relates to the field of measurement for diagnosis and guidance, and particularly relates to a wearable heart ultrasonic clothes suitable for an ultrasonic guided interventional operation robot and a heart monitoring method. By adopting a gel to fix ultrasonic monitoring members between patient skin and a clothes main body, movement of the ultrasonic monitoring members is avoided to generate false images. Meanwhile, multiple ultrasonic monitoring members are arranged at different positions around a heart, so that the multiple ultrasonic monitoring members comprehensively monitor heart activities from different directions, and comprehensiveness and accuracy of heart function data are improved. A third ultrasonic monitoring member is arranged to be detachably fixed to the clothes main body, so that relative distances of the multiple ultrasonic monitoring members are changed to adapt to changes of heart positions caused by differences such as diseases of different patients. Furthermore, by adopting a fixing member to further fix the ultrasonic monitoring members, movement of the ultrasonic monitoring members is further prevented, so that heart function data in a monitoring process is more reliable, and meanwhile, manpower of ultrasonic doctors is saved.

The present invention provides a method and a device for calibrating a blood pressure estimation model for determining tonoarteriogram (TAG) signals, which relates to a cross field between biomedicine and scientific engineering. The method comprises: after applying a first pressure to a first preset location, determining individual pulse transit time (PTT) of a respective pulse wave at a preset region during a preset movement process in a plurality of preset time periods; for each of the preset time period, acquiring a first pressure at the respective first moment of time and a first height difference of the first preset location relative to a heart location; acquiring a second pressure according to the first pressure at all of the first moment of time; determining a sample blood pressure information within the preset time period according to the second pressure and the first height difference to calibrate the blood pressure estimation model, and obtaining a continuous beat-to-beat blood pressure information according to the blood pressure estimation model, obtaining TAG signals according to the beat-to-beat blood pressure information and a target PPG signal. The present invention calibrates the blood pressure estimation model without the need of a cuff-type blood pressure measurement device, and a high-precision TAG signals can be obtained.

Methods of generating a graphical representation of cardiac information on a display screen are provided. The method comprises: electronically creating or acquiring an anatomical model of the heart including multiple cardiac locations; electronically determining a data set of source information corresponding to cardiac activity at the multiple cardiac locations; electronically rendering the data set of source information in relation to the multiple cardiac locations on the display screen. Systems and devices for providing a graphical representation of cardiac information are also provided.

The invention discloses an intelligent wearing system and a control method of the intelligent wearing system, and relates to the technical field of wearing. The intelligent wearing system comprises a first intelligent hand wearing device, the first intelligent hand wearing device comprises a pressure sensor, a bone voiceprint sensor, a first processor and a first communication module, and the bone voiceprint sensor is arranged on the outer surface of the first intelligent hand wearing device; the bone voiceprint sensor is used for collecting a bone voiceprint signal representing the heart rate when the bone voiceprint sensor is attached to the heart position and sending the bone voiceprint signal to the first processor; the pressure sensor is used for detecting a pressure value at the bone voiceprint sensor and sending the pressure value to the first processor; the first processor is used for uploading the bone voiceprint signal to a terminal device in communication connection with the intelligent wearable system through the first communication module when the pressure value is within a preset pressure value range. When the first intelligent hand wearable device is the intelligent ring, the heart rate detection is not influenced by skin color, body surface sweat and detection postures.

The embodiment of the present application provides a calibration method and device for a blood pressure estimation model for determining a blood pressure map, which relates to the intersection of biomedicine and science and engineering. The method includes: after applying a first pressure to a first preset position, determining the conduction time of each pulse wave in a preset area during a preset action within a plurality of preset time periods; for each preset time period, obtaining the first pressure at each first moment and the first height difference of the first preset position relative to the heart position; obtaining the second pressure based on the first pressure at all first moments; determining the sample blood pressure information within the preset time period based on the second pressure and the first height difference to calibrate the blood pressure estimation model, and obtaining continuous beat-by-beat blood pressure information based on the blood pressure estimation model, and obtaining a blood pressure map based on the beat-by-beat blood pressure information and the target photoelectric capacitance signal. The embodiment of the present application can calibrate the blood pressure estimation model without the aid of a cuff-type blood pressure measurement device, and can obtain a high-precision blood pressure map.

To estimate an indicator of cardiac length, regardless of imaging conditions. [Solution] The X-ray diagnostic apparatus according to the embodiment comprises an acquisition unit, a measurement unit, and a calculation unit. The acquisition unit acquires a first X-ray image taken of a subject from a first direction, the imaging distance of the first X-ray image, the body thickness of the subject, and the position of the subject's heart in the direction of the body thickness. The measurement unit measures the imaging size of the heart in the first X-ray image. The calculation unit calculates an index related to the length of the heart based on the imaging distance, body thickness, position of the heart, and the imaging size of the heart in the first X-ray image. The acquisition unit acquires the index in the first X-ray image. The calculation unit converts the index in the first X-ray image into an index in a second X-ray image, assuming that the image was taken from a second direction, which is a different direction from the first direction.

The invention provides a first-aid interventional auxiliary catheter blood pump and a working method, and relates to the field of medical instruments, the first-aid interventional auxiliary catheter blood pump comprises a centrifugal pump, a catheter, a pump head and a controller; the pump head can be implanted into the heart position through an interventional operation, one end of the catheter is communicated with the pump head, and the other end of the catheter extends out of the body along an interventional blood vessel to be connected with a pump shell of the centrifugal pump; the controller is used for controlling the centrifugal pump to work and carrying out ventricular assistance on the patient. According to the blood pump, the pump head and the catheter can be rapidly implanted in an interventional implantation mode, the operation time is shortened, and the life of a patient is saved.