21 results about "Anal sphincter" patented technology

An enema nozzle and an enema device comprising said enema nozzle The present invention relations to an enema nozzle (1; 31; 34; 35) arranged for delivering an enema to a user, said enema nozzle comprises a ball-shaped insertion tip (3) and an elongated insertion body (2) having the shape of a truncated cone, and wherein the cross-sectional diameter (A, B) of the insertion body (2) is smaller than the cross-sectional diameter (C) of the ball-shaped insertion tip (3). When the enema nozzle (1; 31; 34; 35) is inserted into a user's rectum, the user's anal sphincter will hold itself in the substantially contracted condition thereby X, Z both keeping the enema nozzle (1; 31; 34; 35) in place, and prevent any leakage of fluids.

The invention provides a magnetic force driven alternate clamping type artificial anal sphincter prosthesis, which comprises an upper clamping device, a lower clamping device, an upper clamping device and a lower clamping device, wherein the upper clamping device is used for clamping a first part of an intestinal tract and can be opened or closed through magnetic force driving; the lower clamping device is used for clamping a second part of the intestinal tract and can be opened or closed through magnetic force driving, and the magnetic force threshold value of the lower clamping device is larger than that of the upper clamping device; the linkage part is connected with the upper clamping device and the lower clamping device and enables the upper clamping device and the lower clamping device to be in linkage. According to the artificial anal sphincter device, a magnetic force driving mode is adopted, the upper clamping device and the lower clamping device are used for alternately clamping an intestinal canal, clamping is carried out in a large-area plane, an excrement temporary storage stage is preset, an intestinal pressure monitor is matched for defecation early warning, and manual operation is not needed; the artificial anal sphincter prosthesis can effectively reduce the risk of injury and infection caused by the fact that the intestinal tract is in a clamping state for a long time, and is safe, stable, good in excrement control and convenient in energy supply.

A fecal incontinence treatment system comprises a first module, a second module, a first sensing module and a second sensing module, the first module electrically stimulates nerves and muscular tissues in a perineum area through multi-target cooperation, and the first module comprises a control unit and a rosette stimulation unit. The control unit cooperates with electrical stimulation of the rosette stimulation unit and the second module according to sensing signals acquired by the first sensing module and the second sensing module; four leaves of the rosette stimulation unit are respectively in contact with the Changqiang acupoint, the perineum acupoint and the anal sphincter body through electrodes on the leaves for electrical stimulation, and a columnar electrode of the rosette stimulation unit is in contact with a pudendum nerve projection area for electrical stimulation; the second module is used for stimulating a medial malleolus tibial nerve body surface projection area. Precise coverage and collaborative stimulation of the perineum area and the medial malleolus tibial nerves are achieved, the problems that a traditional device is limited in single target spot, poor in attachment and inaccurate in regulation and control are solved, and the effectiveness of fecal incontinence treatment and the compliance of a patient in home use are remarkably improved.

The present invention relates to an enema nozzle (1) arranged for delivering an enema to a user, said enema nozzle comprises a drop-shaped insertion tip (3) and an elongated insertion body (3), wherein the enema nozzle comprises at least one flow channel (7) in flow communication with at least one elongated delivery opening (5), said at least one elongated delivery opening (5) is arranged in an outer surface (6) of the drop-shaped insertion tip (3) and extends in the longitudinal direction (X) of the enema nozzle (1). When the enema nozzle (1) is inserted into a user's rectum, the user's anal sphincter will hold itself in the substantially contracted condition thereby both keeping the enema nozzle (1) in place, and prevent any leakage of fluids.

The invention relates to the technical field of medical instruments, in particular to a portable biofeedback instrument for constipation patients, which comprises a catheter and a host, the left end of the catheter is communicated with a rectum simulation air bag, the surface of the catheter is provided with an anal sphincter induction air bag, the right side of the top of the surface of the catheter is provided with a piezoelectric micropump I, and the left end of the catheter is provided with an anal sphincter induction air bag; one end of the first piezoelectric micropump is communicated with the guide pipe, the other end of the first piezoelectric micropump is communicated with a water tank, an inner pipe is arranged in an inner cavity of the guide pipe, and one end of the inner pipe penetrates to the outer side of the guide pipe and is communicated with a second piezoelectric micropump. The system has the advantages of high portability, intelligent analysis, personalized training, data synchronization and remote support; the host of the biofeedback instrument is in the size of a palm, accords with ergonomic holding, is internally provided with a rechargeable lithium battery, can be carried and used by a patient anytime and anywhere, does not need to go to a hospital and other professional places, greatly improves the flexibility and convenience of treatment, and saves the time and economic cost of the patient.

The utility model provides an enemator with a leakage-proof structure, which belongs to the field of medical instruments and comprises a medicine cylinder, an enema component and a fixing component. A piston in the medicine cylinder is connected with a medicine injection push rod; one end of the medicine cylinder is connected with a medicine outlet pipe; the leakage-proof tube is arranged at one end of the medicine outlet tube, the movable plug opening is rotatably installed at one end of the leakage-proof tube, after enema and medicine injection are conducted on a patient through the leakage-proof tube, the air bag is inflated through the inflation tube, the air bag is inflated and swelled to fix the leakage-proof tube in the body of the patient, and the air bag can play a role in blocking and preventing medicine from flowing out. For a patient whose anal sphincter relaxation enema medicine cannot be reserved in the intestinal tract, the medicine can be well reserved in the intestinal tract, the purpose of intestinal tract treatment is achieved, for a patient whose intestinal tract disease needs to be treated with enema liquid, the leakage-proof tube can be reserved in the anus through the air bag to inject the medicine for multiple times, the medicine can be prevented from flowing out, and the accuracy of the dosage can be guaranteed.

The invention relates to an artificial anal sphincter system based on defecation perception. The artificial anal sphincter system comprises a defecation perception module, a driving module, an execution module, a control circuit and a single-chip microcomputer control module. The defecation perception module comprises a sensor, an alarm module and a screen display module; the defecation perception module, the driving module and the execution module are all connected with the control circuit. When the patient needs to defecate, the execution module controls the clamping mechanism to release the rectum, and normal defecation is carried out; after defecation is finished, the execution module clamps the rectum again, and the sensor replaces normal rectal nerves. Compared with the prior art, the device simulates the contraction mechanism of the sphincter, the movement of the upper clamping plate and the lower clamping plate acts on the intestinal canal, the closed state of the intestinal canal tissue is simulated, a complex mechanical structure is avoided, the effectiveness of the artificial sphincter is improved, the defecation sense sensing function of the rectum and the sphincter group is remodeled, and the practicability is higher.

The invention relates to the technical field of biomedical engineering, in particular to an excrement hardness evaluation method and system for an auxiliary defecation system.The method comprises the steps that a mechanical arm is controlled to insert a probe integrated with a sensor into the rectum; after the probe penetrates through the anal sphincter, idle energy consumption is measured; advancing a unit distance, and measuring the friction energy consumption of the rectum wall; continuously propelling to contact excrement, and measuring the total energy consumption; a first excrement hardness index is calculated based on idling energy consumption, friction energy consumption and total energy consumption, then a second excrement hardness index is calculated by synchronously utilizing component data acquired by a bioelectrical impedance measuring electrode, a third excrement hardness index is calculated by utilizing pressure data acquired by a pressure sensor, and the three indexes are weighted and fused into an excrement comprehensive hardness index. Through multi-modal sensing and data fusion, real-time and accurate excrement hardness evaluation in the anorectum is realized, and a reliable basis is provided for parameter adjustment of a personalized adjustment auxiliary defecation system.

The utility model discloses a disposable anus pressure measuring catheter with a cuff. The disposable anus pressure measuring catheter with the cuff comprises a main tube, an inflation tube is installed on one side of the main tube, an air bag is installed at the front end of the main tube, a pressure measuring instrument is installed at the end, away from the air bag, of the main tube, and inflation equipment is installed at one end of the inflation tube. According to the disposable anus pressure measuring catheter with the cuff, the main tube, the inflation tube and the air bag are arranged, so that the functional recovery condition of the anal sphincter can be indirectly measured conveniently by measuring the change of air pressure data in the anus, and the disposable anus pressure measuring catheter is used by a doctor; the human factor influence of subjectivity of doctors on operation anesthesia and recovery condition judgment of the patients is reduced, misjudgment is not prone to being caused, and the diagnosis accuracy of the doctors is improved.

The utility model relates to an anus ointment injector, and belongs to the field of medical instruments. Comprising a folding medicine injection tube, a medicine pushing mechanism, a patch and a connecting line, one end of the folding medicine injection tube is inserted into the anus of a patient, the other end of the folding medicine injection tube is in threaded connection with the open end of the ointment bag, and the two ends of the connecting line are connected with the side wall of the end, connected with the ointment bag, of the folding medicine injection tube and the medicine pushing mechanism in a one-to-one correspondence mode. The patch is arranged on the side wall of the end, connected with the ointment bag, of the folding type medicine injection pipe in a sleeving mode. According to the anal medicine applying device, waste caused by the fact that a large amount of ointment is reserved in the injector is avoided, the ointment bag is prevented from falling off from the folding medicine injecting pipe in the medicine applying process, the situation that medicine is discharged out of the anus due to the fact that a patient cannot contract the anal sphincter is avoided, and convenience of anal medicine applying is improved.

The embodiment of the invention provides an anal sphincter exercise system, and relates to the technical field of sphincter exercise. The anal sphincter exercising system comprises a silica gel skeleton, the silica gel skeleton is sleeved with a sanitary sleeve, the upper portion of the silica gel skeleton is provided with an acting portion, the lower portion of the silica gel skeleton is provided with an installation portion, the bottom of the acting portion is provided with a concave portion, and an elastic liquid bag is arranged in the silica gel skeleton. A pressure sensor is arranged at the bottom of the elastic liquid bag, a chip and a battery are arranged in the mounting part, and the anti-falling mechanism is arranged on the silica gel framework. According to the device, music with rhythms is played through the host to enable a patient to exercise sphincter along with the rhythms, the patient can complete instruction actions of exercise under the condition of easy timing, the sphincter contracts and extrudes the elastic liquid bag, whether the elastic liquid bag deforms in place or not is detected through the sensor, whether the contraction movement of the sphincter is in place or not is judged, and the patient can take out the sphincter. And the frequency and quality of the contraction function exercise of the anal sphincter can be accurately quantified.

A fecal incontinence treatment system comprises a first module, a second module, a first sensing module and a second sensing module, the first module stimulates the nerve and muscle tissue of the perineal area through multi-target point synergistic electrical stimulation, the first module comprises a control unit and a lotus root stimulation unit, the control unit cooperates with the electrical stimulation of the second module according to the sensing signals obtained by the first sensing module and the second sensing module; four blades of the lotus root stimulation unit respectively contact the Changqiang acupoint, the perineal acupoint and the anal sphincter through the electrodes on the blades to perform electrical stimulation, and the columnar electrode of the lotus root stimulation unit contacts the pudendal nerve projection area to perform electrical stimulation; the second module is used for stimulating the superficial projection area of the medial calcaneal tibial nerve. The present application realizes the precise coverage and synergistic stimulation of the perineal area and the medial calcaneal tibial nerve, solves the problems of single-target point limitation, poor adhesion and inaccurate regulation and control of the traditional device, and significantly improves the effectiveness of fecal incontinence treatment and the patient's home use compliance.

The present application relates to the technical field of biomedical engineering, and particularly relates to a feces hardness evaluation method and system for assisting defecation system, which comprises the following steps: controlling a mechanical arm to insert a probe integrated with a sensor into a rectum; after the probe passes through an anal sphincter, measuring an idling energy consumption; advancing by a unit distance to measure a rectal wall friction energy consumption; continuing to advance to contact feces to measure a total energy consumption; calculating a first feces hardness index based on the idling energy consumption, the friction energy consumption and the total energy consumption, then synchronously calculating a second feces hardness index by using composition data obtained by bioelectrical impedance measurement electrodes, and calculating a third feces hardness index by using pressure data obtained by a pressure sensor, and weighting and fusing the three indexes into a feces comprehensive hardness index. The present application realizes real-time and accurate feces hardness evaluation in the anus and intestines by multi-modal sensing and data fusion, and provides a reliable basis for personalized adjustment of parameter adjustment of the assisting defecation system.

The application provides a defecation dysfunction training instrument, which comprises a support, the support extending along an axial direction for a predetermined length; a plurality of air bag members, the plurality of air bag members being arranged on the support in an axial direction at intervals, each air bag member having an air cavity, and each air cavity being independently arranged and used for air ventilation and expansion; a plurality of air pressure sensors, the plurality of air pressure sensors being in one-to-one communication with the plurality of air bag members; and a data processor, the data processor being electrically connected with the air pressure sensors; the plurality of air pressure sensors detect the changed pressure by accepting the extrusion of the anal sphincter through the expanded air bag members, and the data processor sends a prompt message according to the comparison result of the changed pressure of the plurality of air pressure sensors and the size of a preset pressure. The problem that a patient cannot determine whether the muscle training of the patient reaches the training standard in the process of rectal sphincter training in the prior art is solved.

The application discloses a misaligned liquid dynamic sac petal structure for anal sphincter expansion and contraction. The misaligned liquid dynamic sac petal structure comprises a liquid sac installed in a shell, and liquid dynamic sac petals are arranged on the inner side of the outer wall of the liquid sac in a circumferential interval and form a single-layer sac petal structure. The outer wall of the liquid sac is embedded with a sterile liquid path connected with each liquid dynamic sac petal, which is in communication with a liquid path control unit for controlling fluid pumping in and out, realizing independent expansion and contraction of each flexible liquid sac, adapting to the requirement of gradual change of pressure in the anal canal, avoiding sharp increase and decrease of pressure in the expansion and contraction process, and simultaneously having the overflow safety ability to cope with excessive pressure. Sensors are arranged on the surface of the tissue connection part to dynamically identify whether defecation and exhaust are needed, and the expansion and contraction of the liquid sac is changed through the liquid path control unit. The overall coupling structure formed by the liquid sac and the liquid dynamic branch is easy to implant and replace, and the misaligned arrangement of the liquid dynamic sac petals in the structure can realize effective sealing of the liquid sac.

A nursing method and system for assisting defecation includes: a multimodal data acquisition unit for acquiring multimodal data of the anal sphincter region, including image data and biosignal data; a feature parameter extraction unit for segmenting the image data using a convolutional neural network segmentation model to generate a binary mask of the anal sphincter region and extracting feature parameters of the sphincter core region, including sphincter thickness and sphincter continuity; a stimulation strategy control unit for registering the sphincter core region after binary masking with a temperature matrix image using anatomical markers on the sphincter surface to obtain a temperature matrix of the sphincter core region, calculating gradient values ​​on the temperature matrix to obtain the temperature gradient of the temperature data damage area; calculating the anal resting pressure morphological coupling coefficient based on sphincter thickness, sphincter continuity, and anal resting pressure in the biosignal data; and a stimulation unit for adjusting the electroacupuncture stimulation parameters of the electrical stimulation terminal according to the coupling coefficient.

The invention relates to an anorectal outer surrounding magnetic drive type artificial anal sphincter system which comprises an intestinal tube outer surrounding cavity body, a magnetic flexible material and a flange which wrap the rectum and are sequentially connected, an opening is formed in the intestinal tube outer surrounding cavity body, and the magnetic flexible material and the flange are fixedly connected to the opening; the hip implantation magnet is implanted in the position, close to the anus, of the hip fat layer of the human body; the in-vitro wearing device is arranged at the lower position of the back waist of the human body, and a strong permanent magnet is arranged in the in-vitro wearing device; by wearing and taking off the in-vitro wearing device, the magnetic attraction effect of the strong permanent magnet and the magnetic flexible material is controlled, then the pressure of the magnetic flexible material on the rectum is controlled, and defecation control is achieved. Compared with the prior art, the device has the advantages that the device conforms to the in-vivo structure of the human body, the in-vivo device is fixed relative to the intestinal tract position, the in-vitro device is designed in a wearable mode and is easy to maintain, defecation early warning can be more intuitive through cooperation with the pressure detection sensing module, and biocompatibility is good.

The invention relates to an anal sphincter imaging method based on deep learning. The method comprises the following steps: performing cross section screening on standard cross sections in anal sphincter scanning data so as to screen and determine optimal standard cross sections in the anal sphincter scanning data; performing sagittal plane screening on sagittal planes in the anal sphincter scanning data on the basis of the screened and determined optimal standard cross sections to screen and determine optimal sagittal planes in the anal sphincter scanning data, generating target sagittal planes, extracting corresponding coronal planes in the anal sphincter scanning data on the basis of the screened and determined optimal sagittal planes, and determining the anal sphincter scanning data according to the extracted coronal planes. Correcting the extracted coronal plane to generate a target coronal plane; imaging mode information is obtained, and the optimized standard cross section, the target sagittal plane and the target coronal plane are imaged and output according to the obtained imaging mode information. According to the invention, effective imaging processing can be carried out on anal sphincter scanning data, the complexity of data processing is reduced, and the requirement of clinical continuous observation can be met.

The invention discloses a nursing method and system for assisting defecation, and the system comprises a multi-modal data collection unit which collects the multi-modal data of an anal sphincter region, and the multi-modal data comprises image data and biological signal data; the feature parameter extraction unit is used for segmenting the image data through a convolutional neural network segmentation model to generate a binary mask of an anal sphincter region, and extracting feature parameters of a sphincter core region, including sphincter thickness and sphincter continuity; the stimulation strategy control unit is used for registering the sphincter core area after binary mask cutting and the temperature matrix image through sphincter body surface anatomical mark points to obtain a temperature matrix of the sphincter core area, and calculating a gradient value of the temperature matrix to obtain a temperature gradient of a temperature data damage area; according to the sphincter thickness, the sphincter continuity, the temperature gradient of the injury area and the anus resting pressure in the biological signal data, calculating an anus resting pressure form coupling coefficient; and the stimulation unit is used for adjusting electroacupuncture stimulation parameters of the electrical stimulation terminal according to the coupling coefficient.

The utility model discloses a disposable excrement drainage device which comprises a collecting bag, the top of the collecting bag is communicated with a feeding pipe, the bottom of the collecting bag is communicated with a first liquid discharging pipe, the bottom of the first liquid discharging pipe is communicated with a liquid discharging valve, and the bottom of the liquid discharging valve is communicated with a second liquid discharging pipe. The traction plate moves to drive a piston to move, and the piston moves to align a discharge port with an opening of a first liquid discharge pipe and an opening of a second liquid discharge pipe, so that the effect of conveniently discharging excrement in the collection bag is achieved, and then the effects of conveniently emptying the collection bag for multiple times and thoroughly cleaning the collection bag in the single use process are achieved; the device has the advantages of reducing relaxation and injury of anal sphincter, controlling and managing peculiar smell, anastomotic fistula and anastomotic bleeding and infection, enhancing postoperative excrement control capacity and improving clinical prognosis, and has the effects of obviously shortening exhaust and defecation time of a patient, shortening hospitalization time of the patient, reducing total treatment cost of the patient and reducing rehabilitation speed of the patient.