81 results about "Sphincter muscle" patented technology

The invention discloses a stomach tube device with a backflow prevention function, which comprises a main body mechanism and an auxiliary mechanism, the main body mechanism comprises a stomach tube body, one end of the stomach tube body is inserted into the stomach of a patient, and the other end of the stomach tube body is connected to the outside; the hollow head is fixedly mounted at the front end of the stomach tube body; the large air bag is fixedly arranged at the front end of the stomach tube body, contracts in the hollow-out head when not inflated, and expands and expands in the stomach after being inflated; the small air bag is annular, fixedly arranged on the peripheral face of the front portion of the stomach tube body in a sleeving mode and located behind the large air bag. One end of the first thin air tube is connected to the small air bag, and the other end of the first thin air tube is connected to the upper end of the large air bag; by means of the innovative double-air-bag linkage design and the automatic physical pressure control mechanism, gastric juice backflow can be effectively prevented, continuous pressure on the cardia sphincter is avoided, meanwhile, dependence on a complex electronic sensor and a control system is not needed, and higher safety, reliability and operation simplicity and convenience are achieved.

The duodenal papilla dilatation balloon catheter with the pressure measuring function comprises an outer sheath tube, a combination body and a plurality of branch tubes, the outer sheath tube comprises a drainage tube section I, a drainage tube section II and a drainage tube section III which are sequentially connected from head to tail, and the surface of the drainage tube section II is wrapped with a double-layer cylindrical dilatation film; the double-layer cylindrical expansion membrane comprises an inner-layer membrane and an outer-layer membrane, the outer-layer membrane is provided with an opening, and a pressure sensor is arranged in the opening; the combined body is connected with the tail end of the drainage tube section III, and a plurality of branch tubes are connected with the combined body. According to the catheter, common bile duct or pancreatic duct intubation can be carried out under the assistance of the guide wire, the pressure between the balloon and the duodenal papilla sphincter can be detected while the duodenal papilla sphincter is expanded, the nipple expansion size is determined according to the pressure value, and the occurrence rate of complications such as tearing bleeding of the duodenal papilla sphincter, bile leakage and enterobiliary regurgitation is avoided.

The invention discloses a defecation simulation device based on a pneumatic system and an annular brake and a control method. The device comprises a rectum model composed of five sections and a corresponding annular muscle actuator used for simulating anus opening and closing and simulating rectum peristalsis. Gel beads are formed on the basis of crosslinking of a sodium alginate solution and a calcium chloride solution, so that various forms of excrement simulation are realized; an outlet of the electromagnetic valve is connected with the corresponding annular muscle actuator through an air pipe, and pneumatic control is achieved. By adjusting the air pressure introduced into each annular muscle actuator, the silica gel inner layer of the rectum model expands, the outer layer of the rectum model is restrained by the PLA frame, the annular muscle actuators are forced to contract in the radial direction, rectum ring muscle contraction and sphincter opening and closing are simulated, and different defecation scenes are simulated; the contraction pressure of each annular muscle actuator is accurately adjusted through a pressure controller.

A delivery device for positioning an implantable expander to a target location in a prostatic urethra. An implantable biocompatible expander suitable for implantation into a urinary duct is resiliently deformable from a relaxed radially expanded orientation to a radially contracted orientation suitable for transluminal delivery through the urinary duct. The expander may be configured to exert an outward radial force against a wall of the urinary duct when in-situ within the urinary duct. In particular, the expander is suitable for treatment of benign prostatic hyperplasia and configured for implantation into the prostatic urethra between, and substantially spanning the prostatic urethra between, the bladder neck and external sphincter.

The utility model discloses a micro motor control type artificial stomach tube sphincter which comprises a stomach bag, the top end of the stomach bag is connected with a stomach tube, a bandage is movably installed on the outer surface of the stomach tube, a rope ring groove is formed in the bandage, a tightening rope is movably installed in the rope ring groove, the bandage is made of silica gel, and the tightening rope is connected with the stomach bag. The bandage is spirally wound on the surface of the stomach tube, and the tightening rope is attached to the surface of the stomach tube. Through the cooperation of the tightening rope and the push-pull type electromagnet, when the device is used, the push-pull type electromagnet can be controlled through external remote control to drive the T-shaped connecting rod to retract, so that the two ends of the tightening rope are pulled through the connector, the tightening rope is tightened towards the inner side, and then the stomach tube is extruded to contract towards the inner side; and then the push-pull type electromagnet drives the T-shaped connecting rod to be pushed out, the tightening rope is loosened, then the stomach tube is loosened, relaxation and contraction of the sphincter are achieved, and then the feeding requirement is met.

1. A surgical kit for performing surgery for the treatment of reflux disease, the surgical kit comprising the following components: An implantable motion restriction device configured to impede movement of the lower esophageal sphincter relative to the thoracic diaphragm, the device having at least a portion positioned between the angle of His and the thoracic diaphragm; a lubricant including an antimicrobial agent for use in combination with the implantable motion restriction device; and at least one absorbable suture.

The invention discloses a sausage filling nozzle and sausage filling equipment comprising the sausage filling nozzle. The present invention relates to an enema nozzle (1, 31, 34, 35) arranged for delivering an enema agent to a user, the enema nozzle comprising a spherical insertion tip (3) and an elongated insertion body (2) having the shape of a frustoconical body, and wherein the cross-sectional diameter (A, B) of the insertion body (2) is smaller than the cross-sectional diameter (C) of the spherical insertion tip (3). When the enema nozzle (1, 31, 34, 35) is inserted into the user's rectum, the user's anal sphincter holds itself in a substantially contracted state, thereby both holding the enema nozzle (1, 31, 34, 35) in place and preventing any leakage of fluid.

The utility model provides a kind of nipple cutting balloon dilatation catheter, comprising: the balloon part of being arranged in the front part of catheter, the tube wall of the balloon part is wrapped with balloon, the outer surface of the balloon is equipped with multiple knife filaments, and the knife filament is used to be connected with high frequency generator.The utility model can be sent into or pulled out duodenal nipple in the guide of guide wire, and dilate duodenal nipple, when nipple sphincter stenosis appears, handle joint connects high frequency generator, and the knife filament on the surface of balloon can carry out electroincision effect to the tissue of stenosis, increase stenosis dilatation efficiency and effect.

An implantable device for the treatment of acid reflux disease has a body including an outer surface adapted to rest against a patient's fundus wall. The device, when implanted in the patient, fills a volume in the patient's abdomen in the cardia area and above the cardia of the patient, when standing. The body prevents the cardia from moving through the diaphragm opening into the thorax, thereby preventing reflux by keeping the abdominal pressure supporting the cardia sphincter muscle. The device may be affixed to stomach tissue. The device may also be invaginated or otherwise indirectly secured in position.

The invention provides a double-guide-wire nipple sphincter incision knife which comprises an outer sheath tube, a handle, a first guide wire, a second guide wire and a metal wire, and the first guide wire is inserted into the outer sheath tube through the tube wall of the outer sheath tube and penetrates out of the tube wall of the outer sheath tube; the handle is connected with the tail end of the outer sheath tube, and the second guide wire is inserted into the outer sheath tube through the handle and penetrates out of the head end of the outer sheath tube. One end of the metal wire is fixedly connected to the tube wall of the outer sheath tube, and the other end of the metal wire is inserted into the outer sheath tube and connected with the handle. During use, an assistant can implement the guide wire to assist the nipple sphincter incision knife in intubation into the pancreatic duct, an operator can operate the second guide wire to enter the common bile duct through intubation on the side wall of the duct wall on the basis that the duct diameter of the nipple incision knife is not increased, double-person multi-angle intubation is achieved, and the bile duct intubation success rate is increased.

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 catheter for deploying an implantable expander in a urethra. An implantable biocompatible expander suitable for implantation into a urinary duct is resiliently deformable from a relaxed radially expanded orientation to a radially contracted orientation suitable for transluminal delivery through the urinary duct. The expander may be configured to exert an outward radial force against a wall of the urinary duct when in-situ within the urinary duct. In particular, the expander is suitable for treatment of benign prostatic hyperplasia and configured for implantation into the prostatic urethra between, and substantially spanning the prostatic urethra between, the bladder neck and external sphincter.

The present invention discloses an auxiliary pressure-applying device for stress urinary incontinence, and relates to the technical field of medical devices. The present invention provides an auxiliary pressure-applying device for stress urinary incontinence, comprising a receiving chamber, a mounting seat, a regulator, and a restraining tentacle. The receiving chamber is arranged on the mounting seat, and a regulator is arranged in the mounting seat. A plurality of restraining tentacles are evenly arranged around the receiving chamber. The regulator autonomously controls the operation of the first regulating valve and the second regulating valve. No active intervention is required in this process, which can not only restrain the urethral sphincter and prevent urine leakage, but also does not affect normal urination. The restraining tentacle is used to restrain the bladder detrusor muscle in the receiving chamber. The regulator and the restraining tentacle are designed in linkage, and the patient's abdominal pressure can be adjusted at any time. The autonomous control is more efficient and safe, and has excellent practicality. The present invention is installed outside the bladder detrusor muscle and urethral sphincter, and the device is limited by the external urethral sphincter to prevent the device from falling off.

The application relates to a composition for treating reflux esophagitis and application thereof. The composition comprises the following components in parts by weight: 2-8 parts of scutellaria baicalensis, 3-7 parts of licorice, 5-10 parts of beeswax and 80-120 parts of vegetable oil. The composition for treating reflux esophagitis contains scutellaria baicalensis, licorice, beeswax and vegetable oil, and through mutual cooperation among the components, the drug prepared from the composition can significantly increase the plasma motilin level of a patient, further increase the pressure of the lower esophageal sphincter, promote gastric emptying and prevent acid reflux, promote the recovery of reflux esophagitis, the esophagus of the patient is obviously improved, and no adverse reaction is found; meanwhile, the content of lipid peroxide can be obviously reduced, the activities of superoxide dismutase and glutathione peroxidase are increased, the esophageal mucosa is protected and treated, the pathological changes of the esophagus are obviously improved, and the treatment effect is excellent.

The utility model discloses an anorectal dosing device for digestive system relates to medical instrument technical field, including barrel and needle tube fixedly connected to barrel one end, barrel side wall center is equipped with the channel no. 1 that runs through along its axial direction, needle tube side wall center is equipped with the channel no. 2 that runs through along its axial direction, and the channel no. The end, away from the needle tube, in the first channel is slidably connected with a piston push rod, and the end, away from the cylinder body, of the needle tube is provided with an inner supporting mechanism. According to the anal dilatation device, through the inner supporting mechanism, anal dilatation can be carried out on a patient properly, sphincter inside and outside an anal tube is relaxed, medicine can be conveniently conveyed to the rectum or a deeper position through the anus, a better treatment effect is achieved, meanwhile, blood circulation around the anus can be promoted through proper anal dilatation, absorption and metabolism of the medicine are accelerated, and the anal dilatation effect is improved. Meanwhile, the grooves formed in the edges of the side walls, close to each other, of the limiting blocks can ensure that secondary injury to the patient is avoided when the inner supporting mechanism retracts.

The invention provides an enteroscopy auxiliary device which comprises a patch body and a pasting part arranged on the patch body, the patch body can completely cover the anus area, and the pasting part is used for forming a relatively closed space between the patch body and the anus; an enteroscope insertion hole is formed in the patch body and is connected with an enteroscope in a sliding and sealing manner; the pasting part comprises a first pasting assembly which is of a spiral closed structure and is arranged around the endoscope insertion hole, and the fitting degree of the patch body and the skin around the anus is enhanced; a first filling protrusion is arranged at the position, corresponding to the hip and hip cleavage, of the pasting face of the first pasting assembly, the sealing effect is further improved, and gas leakage is effectively prevented. The auxiliary device is simple in overall structure and reasonable in design, does not need to make direct contact with the anus of a patient, does not need a complex air bag structure, not only reduces the cost, but also can adapt to the body types and sphincter relaxation degrees of different patients, is more reliable, convenient and comfortable, and is wide in application range.

A heave tolerant pile guiding device for guiding a pile including a cylindrical section and above said cylindrical section a tapered section that narrows in upward direction. The device includes a frame to be mounted to a vessel having a hull subject to sea-state induced motion during installation of a pile. At least one pair of first and second pile engaging devices is arranged on the frame diametrically opposed relative to a center axis. Each pile engaging device comprises a pile engaging member and a hydraulic cylinder to move the member radially relative to the center axis. A hydraulic system includes a position control circuit and a sphincter control circuit. The sphincter control circuit is configured to operate the pair of first and second hydraulic cylinders in particular when the pile engaging members engage on the tapered section of the pile. The sphincter control circuit is a rotary flow divider.

Abstract The present invention relates to a reflux disease treatment apparatus, comprising two or more movement restriction device segments adapted to form an implantable movement restriction device with an elongated shape that maintains cardia in the correct position. The movement restriction device has proximal and a distal end, wherein the distal end is adapted to stabilize and hold the proximal end. The invention further comprises a control device for controlling the stimulation device to stimulate the cardia sphincter. The distal end can be further adapted to treat obesity, for example by stretching the wall of the stomach or filling out a volume of the stomach. Abstract The present invention relates to a reflux disease treatment apparatus, comprising two or more movement restriction device segments adapted to form an implantable movement restriction device Mar with an elongated shape that maintains cardia in the correct position. The movement restriction device has proximal and a distal end, wherein the distal end is adapted to stabilize and hold the proximal end. The invention further comprises a control device for controlling the stimulation device to stimulate the cardia sphincter. The distal end can be further adapted to treat obesity, for example by stretching the wall of the stomach or filling out a volume of the stomach. 20 24 21 64 87 30 A ug 2 02 4 A b s t r a c t

1. Name of the product in this design: Perianal massage seat cushion. 2. Purpose of this design: This design is a non-electric, weight-bearing, self-driven perianal massage cushion used to apply circumferential pressure to the user's perianal area to promote local blood circulation, exercise sphincter function, and assist in perianal cleaning. 3. The key design features of this product are its overall shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model provides a double-channel biliopancreatic pressure measuring catheter which comprises a catheter section I, a catheter section II, a catheter section III and a catheter section IV, a first guide wire channel is arranged in the catheter section I, the catheter section I is connected with the catheter section II, and a second guide wire channel and a first data transmission line channel are arranged in the catheter section II; the front end of the catheter section II is wrapped with a metal tube, the metal tube is provided with an open groove, and a pressure sensor is arranged in the open groove; the catheter section III and the catheter section IV are connected with the catheter section II, and a second data transmission line channel and a third guide wire channel are arranged in the catheter section III and the catheter section IV respectively; the tail of the catheter section III is provided with a pressure sensor connector, and the tail of the catheter section IV is provided with a guide wire connector. The pressure measuring device can be placed into duodenal papilla sphincter, common bile duct and pancreatic duct through a duodenoscope and a gastroscope forceps channel under the guide of a guide wire to measure the pressure in the duodenal papilla sphincter, the common bile duct and the pancreatic duct.

The transparent cap of the choledochoscope comprises a cap portion and a connecting portion, the tube wall of the front end, away from the connecting portion, of the cap portion is in an arc shape, and a first annular thread is arranged on the inner wall of the connecting portion. The choledochoscope tip is of a convex structure composed of a head part and a body part, the outer diameter of the head part is smaller than that of the body part, a second annular thread is arranged on the outer wall of the head part, and the second annular thread is connected with the first annular thread in a matched mode to achieve connection between the connecting part and the head part; and the outer diameter of the connecting part is the same as that of the body part. The transparent sleeve can be installed at the front end of a choledochoscope to carry out operations such as gall bladder or bile duct washing, calculus removal, stenosis expansion, gall bladder duct or Oddi sphincter exploration and the like; the transparent cap is firmly mounted and cannot fall off; the outer diameter of the connecting part of the transparent cap is consistent with the outer diameter of the choledochoscope body part, the tube wall at the front end of the cap part of the transparent cap is arc-shaped, and tissues such as fistulous tracts, gallbladders and bile duct mucosa are not damaged in the choledochoscope examination and treatment process.

The invention provides a medical silica gel three-dimensional safe speed control enemator, and relates to the technical field of enemator, the enemator comprises a protective soft shell, a mounting connecting column is fixedly mounted at the bottom end of the protective soft shell, a cylindrical mounting box is arranged below the mounting connecting column, and the top end of the cylindrical mounting box is in threaded connection with the bottom end of the mounting connecting column; the cavity is formed in the cylindrical mounting box, the enema tube is arranged in the cavity, enema liquid is poured into the enema bag in the protective soft shell, then the independent lubricating liquid in the cylindrical mounting box is extruded, the imbedding end of the enema tube is fully lubricated, and meanwhile the independent lubricating liquid on the inner side wall of the cavity of the cylindrical mounting box can further lubricate the outer wall of the enema tube when the enema tube stretches out. The speed control valve installed in the connecting column is opened, exhaust is conducted, then closing is conducted, pollution is avoided, paraffin oil is smeared, finger examination is conducted to eliminate crissum anomalies, sphincter is relaxed, liquid medicine in the enema bag is guided into the speed control valve through the connecting water pipe, and after the valve is opened, the liquid medicine is conveyed to the connecting pipe through the enema pipe and prepared to be inserted into the intestinal tract.

The gastric bypass device includes an obstruction device adapted to be positioned against the patient's pyloric sphincter and a liner extending distally from the obstruction device. A tether extends from the obstruction device. A dynamic leash can be secured to the obstruction device and can cooperate with the tether to help hold the obstruction device in place.

A gastric bypass device includes an occlusion device adapted to be deployed relative to a pyloric sphincter of a patient and a liner extending distally from the occlusion device. A tether extends from the occlusion device. The dynamic traction cord may be fixed relative to the occlusion device and may interact with the tether to assist in holding the occlusion device in place.

A catheter for deploying an implantable expander to a target location in a urethra. An implantable biocompatible expander suitable for implantation into a urinary duct is resiliently deformable from a relaxed radially expanded orientation to a radially contracted orientation suitable for transluminal delivery through the urinary duct. The expander may be configured to exert an outward radial force against a wall of the urinary duct when in-situ within the urinary duct. In particular, the expander is suitable for treatment of benign prostatic hyperplasia and configured for implantation into the prostatic urethra between, and substantially spanning the prostatic urethra between, the bladder neck and external sphincter.

An apparatus for the treatment of acid reflux disease has an implantable movement restriction device adapted to be at least partly invaginated by a patient's stomach fundus wall. A substantial part of the outer surface of the movement restriction device is adapted to rest against the stomach wall without injuring the latter in a position between the patient's diaphragm and at least a portion of the lower part of the invaginated stomach fundus wall, such that movement of the cardiac notch of the patient's stomach towards the patient's diaphragm is restricted, to thereby prevent the cardia from sliding through the patient's diaphragm opening into the patient's thorax, so as to maintain the supporting pressure against the patient's cardia sphincter muscle exerted from the patient's abdomen. The movement restriction device has a size of at least 125 mm3 and a circumference of at least 15 mm.

An implantable device for the treatment of acid reflux disease has a body including an outer surface adapted to rest against a patient's fundus wall. The device, when implanted in a patient, fills a volume in the patient's abdomen in the cardia area and above the cardia of the patient, when standing. The body prevents the cardia from moving through the diaphragm opening into the thorax, thereby preventing reflux by keeping the abdominal pressure supporting the cardia sphincter muscle. The device may be affixed to stomach tissue. The device may also be invaginated or otherwise indirectly secured in position.

The invention relates to the technical field of functional seat cushions, in particular to a crissum massage seat cushion and an auxiliary massage method thereof.The crissum massage seat cushion comprises a bottom cushion, and a miniature physiotherapy node is arranged on the middle rear portion of the bottom cushion; each miniature physiotherapy node comprises a high-resilience flexible massage bump and massage microparticles; massage microparticles are distributed on the surfaces of the massage bumps and are radially distributed on the surfaces of the massage bumps from top to bottom. According to the application, the body weight of the user is used as a unique power source, the body weight potential energy of the user is converted into mechanical kinetic energy, the mechanical kinetic energy is used as pulse pressure to be applied to the crissum area of the user through the massage bumps and the massage microparticles, and surrounding pressing stimulation is generated on the crissum area; the purposes of promoting local blood circulation, exercising the sphincter function and assisting in perianal cleaning are achieved, meanwhile, due to the integrally-formed concealment design, it is guaranteed that a user can sit at any time in daily work and life, and privacy and convenience are higher.

Systems and methods for treating gastroesophageal reflux disease (GERD) includes minimally invasively implanting a stimulating device in a patient's esophagus in the region proximate the lower esophageal sphincter (LES). The patient is provided with a questionnaire related to his disease via an online service. The questionnaire is accessed on a mobile device, such as a cell phone, or on a computer with network access. The data from the sensors and the answers from the questionnaire are analyzed together by a health care provider using the online service. The data and answers are used to program the stimulating device, via the mobile device or computer, to optimize treatment.

The present invention relates to an artificial anal sphincter device with constant-force clamping by rope drive, which includes a drive motor, a non-coplanar wheel, a pair of constant-force elements, a co-planar and opposite-direction wheel and a clamping element. The pair of constant-force elements are respectively a constant-force element A and a constant-force element B. One ends of the constant-force element A and the constant-force element B are respectively connected to the drive motor. The other ends of the constant-force element A and the constant-force element B are respectively wound around the non-coplanar wheel and the co-planar and opposite-direction wheel and then connected to the clamping element. When the drive motor controls one of the constant-force element A and the constant-force element B to tighten, the other one is relaxed. Through the coordinated action of the pair of constant-force elements, the drive motor realizes the opening and closing of the clamping element. By embedding the designed constant-force element in the rope-wheel drive structure, the present invention can always maintain a constant clamping force during the long-term clamping of the intestinal tube, effectively avoiding intestinal tube damage or device failure caused by excessive or too small force on the intestinal tube, and effectively solving the biomechanical compatibility between the artificial anal sphincter and the intestinal tube.