61 results about "Artificial anus" patented technology

The invention relates to a closing system for a natural or an artificial anus, comprising an inflatable balloon having an approximately toroidal structure, composed of a plane tubular section folded in on itself, the ends of which (13, 14) extend coaxially within each other and are linked to a sleeve.

An artificial anal sphincter prosthesis based on elastic contraction and release belongs to the technical field of medical instruments and comprises an elastic mechanism which is annularly arranged and a retractable mechanism, wherein the elastic mechanism penetrates through the retractable mechanism; the telescopic end of the retractable mechanism is connected with the tail end of the elastic mechanism; the elastic mechanism is linked through the retraction of the telescopic end so as to realize change of the inner diameter of the ring. The artificial anal sphincter prosthesis successfully solves the problem that a water sac type structure prosthesis performs mutual leakage with human body interstitial fluid in a human body; a pressure sensor arranged in the prosthesis senses the change of intestinal pressure, when a user needs to defecate, the prosthesis is automatically opened through a driving device, the prosthesis is opened to the appropriate extent through pressure sensing, and the user starts to defecate; when defecation is completed, and bowel control is needed, the prosthesis is automatically closed, and through the sensing pressure and closed-loop control, the prosthesis is closed to the appropriate extent, so that bowel control is realized. The artificial anal sphincter prosthesis is easy to miniaturize and light in weight, facilitates prosthesis implantation, and can efficiently improve the success rate of prosthesis implantation; the novel mechanical artificial anal sphincter prosthesis based on elastic contraction and release is arc-shaped and simple in structure, and facilitates clinical realization.

The invention relates to a closing system for a natural or an artificial anus, the system comprising an inflatable balloon having a generally toroidal structure, and composed of a plane tubular section folded in on itself, the ends of which extend coaxially within each other and are linked to a sleeve.

The invention discloses an artificial anus and a sphincteric device thereof. The artificial anus and the sphincteric device thereof are characterized in that novel intelligent materials are adopted for simulating functional performance of the human body muscle structure, the structural design enables the artificial anus to be similar to a human body anal sphincter from the perspective of bionics, and biological compatible materials such as polydimethylsiloxane (PDMS) and medical silicon rubber are adopted as structure bodies. The artificial anus and the sphincteric device thereof are simple in structure, convenient to manufacture, and capable of achieving the function of the human body anal sphincter through simulation. Moreover, if the artificial anus and the sphincteric device thereof can be popularized, burdens of families and pain of patients can be reduced greatly, and actual application value is high.

The invention relates to a bag-free controllable abdomen ostomy device and belongs to the technical field of medical appliances. The abdomen ostomy device comprises an ostomy internal-plugging parenteral net ring, an iron nail and a plugging bolt, wherein the iron nail ring is used for finishing ostomy by virtue of an anastomat and is reserved at the periphery of the ostomy; the plugging bolt consists of a pushable external core which can be unfolded into an external horn-shaped structure and an internal core. The bag-free controllable abdomen ostomy device has the advantages of being applicable to abdomen ostomy so as to replace an artificial anus ostomy bag and finishing dual plugging of abdomen ostomy contents and drainage ostomy gas. According to the abdomen ostomy device, a complete combination device is adopted to achieve a function of plugging ostomy contents without adhesives, so that the detects of a traditional ostomy bag and an existing ostomy plugging device are overcome; the ostomy meets the following requirements: 1, the bag is not hung, and the invisibility is good; 2, adhesives are not adopted in an ostomy covering device; and 3, an internal core is tightly adhered to the ostomy, so that an effective adhering and plugging function is achieved.

The invention relates to an electromagnetic-controlled artificial anal sphincter apparatus based on a rectum sensing function. The electromagnetic-controlled artificial anal sphincter apparatus comprises a hinge-shaped mechanism which is composed of a first pressing plate and a second pressing plate, a DC (Direct Current) pushing-pulling electromagnet, an arc closing mechanism, a small-size sliding block and two pressure sensors; at a left side, the first pressing plate and the second pressing plate are hinged through a hinge to form a transmission pair; the electromagnet is fixed on the second pressing plate; a pushing rod in the electromagnet penetrates through a small hole of the second pressing plate and is connected with the first pressing plate through the sliding block; the arc closing mechanism is fixed at tail ends of the two pressing plates; meanwhile, two flexible baffle plates are fixed at a left side and a right side of the arc closing mechanism. The electromagnetic-controlled artificial anal sphincter apparatus is arranged in the body of a patient, and a function as an anal sphincter can be played; the pressure sensor is used for sensing pressure in rectum and analyzing amount of human excrement, and then judging whether the electromagnet is electrified or not, so that opening or closing of an artificial anal sphincter can be directly controlled. The apparatus has the advantages of simple design, convenience in manufacturing and simpleness in operation.

A system and method for detecting content in intestinal tract based on flexible pressure transducers and infrared detection. The system comprises an artificial anus sphincter execution mechanism, a plurality of flexible pressure transducers used for acquiring the pressure of intestinal tract, an infrared transmitting and receiving device, a pressure information processing module and a microcontroller. The flexible pressure transducers are arranged in the inner wall of the artificial anus sphincter execution mechanism and tightly cling to the surface of the intestinal tract, and the flexible pressure transducers are used for acquiring the pressure of the intestinal tract. The pressure information processing module is used for acquiring the pressure of the intestinal tract and then transmitting to the microcontroller. The microcontroller is used for outputting start instructions to the infrared transmitting and receiving device after receiving and determining the pressure of the intestinal tract, and receiving intensity information of infrared signal transmission so as to determine content type information. The microcontroller is used for calculating the quantity of content in the intestinal tract based on the intestinal tract pressure information, and transmitting the intestinal tract pressure information and the content type information out of the body so as to reestablish a defecate perception system.

The invention discloses an open-close control system for an artificial anal sphincter prosthesis in the field of prostheses. The open-close control system comprises a sphincter prothesis, a plurality of pressure sensors arranged at the contact parts of the sphincter prothesis and an organ, a pressure signal processing module and a microcontroller, wherein the pressure sensors perceive occlusion pressure of the sphincter prothesis on the organ, the occlusion pressure is converted into electrical signals and then transmitted to the microcontroller through the pressure signal processing module; the microcontroller carries out open-close control calculation, and sends out opening or closing instruction on the sphincter prothesis, so that the open-close action control on the sphincter prothesis is realized. The open-close control system can realize accuracy control of the open and close of the sphincter prothesis.

The present invention relates to a magnetocontrolled type artifical anal sphincter system, belonging to the field of biomedical engineering technology, in which first magnetic body and second magnetic body are connected into a whole body by means of first connecting bar, a first nut is mounted between first magnetic body and second magnetic body and can be moved between said first magnetic body and second magnetic body to drive first magnetic body and second magnetic body so as to control opening and closing of first medical conduit and second medical conduit, its third magnetic body and fourth magnetic body are connected into a whole body by means of second connecting bar, a second nut is mounted between third magnetic body and fourth magnetic body and can be moved between the third magnetic body and fourth magnetic body to drive third magnetic body and fourth magnetic body so as to control opening and closing of third medical conduit and fourth medical conduit.

The present invention relates to a spring-controlled miniature pump artificial anal sphincter, belonging to the field of medical equipment technology. It is characterized by that one end of first spring is fixed on a nut, its another end is fixed on first pressure plate, the first spring can be used for compressing the first pressure plate, so that said first pressure plate can be used for making fourth medical conduit branch tube and second medical conduit branch tube be compressed on the miniature motor end face so as to close the fourth medical conduit branch tube and second medical conduit branch tube; one end of second spring is fixed on the nut, its another end is fixed on the second pressure plate, the second spring can be used for compressing second pressure plate, said second pressure plate can be used for making first medical conduit branch tube and third medical conduit branch tube be compressed on the external shell so as to close the first medical conduit branch tube and third medical conduit branch tube. Said invention utilizes the control of translational direction of nut and utilizes the compression or tension of first spring and second spring to implement two-way excretion between first container and second container.

The invention discloses a finger lock type artificial anal sphincter prosthesis in the field of prostheses. The artificial anal sphincter prosthesis comprises a plurality of vertical knuckle mechanisms and a winding-unwinding execution mechanism, wherein each knuckle mechanism is of an annular structure and comprises a plurality of knuckle parts rotationally connected in sequence; the winding-unwinding execution mechanism comprises a drive rope, two winding wheels and a micro-motor; the drive rope penetrates the knuckle parts of the knuckle mechanism in sequence, one end of the drive rope is fixed to the knuckle part at the tail end, and the other end of the drive rope penetrates round holes formed in the winding wheels and is fixed to the winding wheels; the two winding wheels are connected with the micro-motor; the drive rope is wound and unwound through the winding wheels, and the knuckle parts are driven to be radially shrunk or extended, so that the overall inner diameter of the knuckle mechanism can be changed. The artificial anal sphincter prosthesis is easy to miniaturize, light in weight, convenient to implant and high in success rate of prosthesis implantation.

The controllable artificial anus includes one pipe with one valve connected to its front end and one stopper connected to the tail end; and one fixer in the middle part of the pipe. The fixer includes one fixing board and one duct connected to the fixing board, the fixing board has two notches symmetrically set in the middle part and the duct is provided with two regulating screws. In the outer side of the joint between the pipe and the fixing board, there are locating track set corresponding to the notches and locating slot corresponding to the regulating screws. The present invention has simple structure and convenient assembling and disassembling, and can protect wound well and make the patient convenient in life.

The invention relates to an electronic artificial anus which comprises a fixing sleeve, a connecting sleeve, a moving sleeve and a self-sealing locking device, wherein the outer surface of the fixing sleeve is fixed with skin, the outer end opening of the fixing sleeve is parallel to the abdominal wall, the inner end opening of the fixing sleeve is located in the abdomen, and the fixing sleeve is internally provided with a sliding hole; the connecting sleeve is used for hermetically connecting the fixing sleeve with the intestinal tube to communicate the intestinal tube and the sliding hole; the moving sleeve is slidingly mounted in the sliding hole and is driven by a driving device arranged in the fixing sleeve to extend or retract relative to the fixing sleeve; the self-sealing locking device is arranged at the outer end opening of the moving sleeve. When needing defecation, a user timely finds a toilet or another place; when the user extends the moving sleeve relative to the fixing sleeve, the self-sealing locking device is opened, and excrement in the intestinal tube is defecated by the moving sleeve; after defecation, the head end of the moving sleeve is wiped up by toilet paper, then the moving sleeve is plugged into the fixing sleeve, and at the moment the self-sealing locking device is closed.

The invention discloses a detachable artificial anus prosthesis apparatus for restocarcinoma post radical cure anus, which includes a hemispherical medical soft cap embedded with a sensing unit and distributed by exhaust vents on the spherical surface, the big end of the soft cap is provided with an air-venting screw cap connected with the sensing unit casing, the sensing unit probe crosses the central hole with a sliding motion and approaches the inductor, a projecting sealing intestinal tract, a flesh property silica gel hollow soft sealing-plug with air-venting hole on the end face closure, wherein the sensing unit and a piston rod connected with the sensing unit are arranged, and an expanding silica gel soft fastening disk equipped with a piston-link mechanism.

An inflating artificial anus in abdomen, comprising air bags, valve needle, a unit or inflating or deflating the air bag. It is characterized in that, there have three air bags, that is, inner, middle and outer air bags; the inner cavities of three air bags are communicated, a middle deflating unit is between the inner and the outer air bags. The artificial anus could control times of defacating and remits pains of patients.

The invention discloses an individualized customized pocket design method based on 3D printing technology and a product, and belongs to the field of medical auxiliary instrument design. The problem that an opening of an existing ostomy bag for an artificial anus is not accurate is solved. The individualized customized pocket design method based on 3D printing technology comprises the steps that onthe basis of CT scanning data of the artificial anus region of the abdomen of a patient, three-dimensional model reconstruction is performed on the stoma of the artificial anus and surrounding skin;the reconstructed three-dimensional model data is preprocessed; according to the three-dimensional data of the stoma, an ostomy bag skin-attached silica gel base model is designed, and the model is saved as a file of the stl format; the designed file is input into a 3D printer for entity printing manufacturing. The ostomy bag can meet the requirement for individualized customization of a patient,liquid leakage and air leakage are avoided, and meanwhile stoma external hernia is avoided due to a bellyband.

Disclosed is an in-situ implantation bionic anal sphincter system based on defecation intention function reconstruction. The in-situ implantation bionic anal sphincter system comprises an artificial anal sphincter module, a sensing detection and conversion module, a pelvic nerve stimulation module, an in-vitro control module and an in-vitro energy supply module, wherein the artificial anal sphincter module transmits a pressure signal acquired in vivo to the sensing detection and conversion module to generate an electrical stimulation intensity signal and generates a stimulation electrical signal with corresponding intensity through the pelvic nerve stimulation module to stimulate pelvic nerves; the in-vitro energy supply module is connected with the artificial anal sphincter module and supplies energy to the artificial anal sphincter module; and the in-vitro control module is connected with the artificial anal sphincter module so that a wearer can control defecation by himself / herself.The system has a man-machine interface and a control function, the amount of excrement in rectum or anal canal is detected through the sensing detection and conversion module, and an electric signalwith corresponding intensity is constructed based on detection information to stimulate pelvic nerves so as to activate the whole defecation reflex nerve pathway of the wearer, so that defecation intention perception function reconstruction is truly formed.

The invention relates to a mechanical artificial anal sphincter device capable of realizing constant-force clamping, which comprises an upper fixed top plate, a lower fixed bottom plate, a pair of transmission guide rods, a clamping mechanism, a constant-force mechanism and a transmission mechanism, a pair of transmission guide rods is vertically arranged between the upper fixing top plate and the lower fixing bottom plate at intervals, the clamping mechanism comprises an upper gripper and a lower gripper which are arranged up and down respectively, a channel which is used for containing intestinal canals and is adjustable in size is formed between the upper gripper and the lower gripper, and the constant force mechanism comprises an upper push plate, a lower push plate and paired shape memory alloy plates. The upper push plate and the lower push plate are movably arranged on the transmission guide rod up and down in the length direction of the transmission guide rod, the upper gripper is fixed to the bottom of the lower push plate, and the transmission mechanism is in transmission connection with the upper push plate. Compared with the prior art, constant-force clamping of the intestinal canal tissue by the clamping mechanism is achieved, and the problem of avascular necrosis of the intestinal canal tissue caused by mechanical mismatching of sphincter and the intestinal canal tissue is solved.

The invention relates to a three-ring bionic artificial anal sphincter protective sleeve for preventing tissues from proliferating inwards. The three-ring bionic artificial anal sphincter protective sleeve comprises an outer shell matched with a three-ring bionic artificial anus, two silica gel films and an elastic rope, wherein one sides of the two silica gel films are connected through the elastic rope, and the other sides of the two silica gel films are respectively attached to the inner sides of an upper ring and a lower ring of the three-ring bionic artificial anus through pressing sheets. The three-ring bionic anal sphincter protective sleeve is simple in overall structure, small in size, light in weight and good in sealing performance, the contact surface between an external intestinal tract and the inner part of the three-ring bionic anal sphincter prosthesis can be effectively reduced, and the problems that external tissue is proliferated and wrapped inwards, and intestinal obstruction is caused when the intestinal tract falls into the prosthesis through two ends of a port are solved; and a relatively independent closed space is formed in the prosthesis, the phenomenon that a middle ring swing arm cannot reach a specified clamping position due to tissue proliferation and intestinal obstruction is relieved, and the service life of the prosthesis is prolonged.

The invention belongs to the technical field of auxiliary medical apparatuses, and particularly relates to an artificial anus flushing device. The artificial anus flushing device comprises a mountingplatform and a tank body arranged on the mounting platform, wherein a pulley assembly is arranged on the bottom surface of the mounting platform; an aspirator is arranged on the upper surface of the tank body; the artificial anus flushing device further comprises a washing pipe and a suction pipe which communicate with the aspirator; plastic sleeve pipes are arranged on the outer surfaces of the washing pipe and the suction pipe in a sleeving manner; and a drainage pipe also communicates with the aspirator. According to the artificial anus flushing device disclosed by the invention, the aspirator which communicates with the washing pipe and the suction pipe is arranged, so that when the artificial anus flushing device is used, pumping can be performed while flushing, the washing process isconvenient, other materials do not need to be prepared either, and the flushing operation of an artificial anus is convenient to perform; and besides, the plastic sleeve pipes are arranged at the ends of the washing pipe and the suction pipe, and can be discarded and replaced after being used once, so that cross-infection can be avoided.

The invention discloses an artificial anus to be inserted in the abdominal wall for making a hole or into anus for control bowel movements. The artificial anus consists of an anus plug, a plug base, an air cell, a pressure sensor, a filter, an air inlet and an exhaust hole, and is a medical device for abdominal colostomy after colorectal operation or controlling bowel movements of the patient with fecal incontinence due to brain and spinal tissue damage. The artificial anus can help the patient to keep the feces in the intestinal cavity in place of the conventional feces bag, thereby radically changing the bowel movement mode of the patient.

The present invention relates to the technological field for medical instrument, which comprises a medical micro pump used in artificial anus sphincter. Among the present invention, one end of the output shaft of the motor is directly connected with the screw rod. The screw rod is connected with a nut plate, which is close to a piston cavity. The other end of the motor is directly connected with a reducer. The output shaft of the reducer is directly connected with a cam wheel device. The first medical catheter is connected with a piston cavity through a first one-way valve. The first medical catheter is divided into two paths, which is connected with a second switch and a third switch, respectively. The second switch and the third switch are connected with a first vessel and a second vessel through the cam wheel. The second medical catheter is connected with a piston cavity through a second one-way valve. The second medical catheter is divided into two paths, which is connected with a first switch and a fourth switch, respectively. The first switch and the fourth switch are connected with a first vessel and a second vessel through the cam wheel. The present invention is capable of realizing bidirectional fluid discharging between a Schnabel bag and a liquid storage bag. The present invention is also capable of realizing pressure-keeping function in any position.

The invention discloses a detachable artificial anus prosthesis apparatus for restocarcinoma post radical cure anus, which includes a hemispherical medical soft cap embedded with a sensing unit and distributed by exhaust vents on the spherical surface, the big end of the soft cap is provided with an air-venting screw cap connected with the sensing unit casing, the sensing unit probe crosses the central hole with a sliding motion and approaches the inductor, a projecting sealing intestinal tract, a flesh property silica gel hollow soft sealing-plug with air-venting hole on the end face closure, wherein the sensing unit and a piston rod connected with the sensing unit are arranged, and an expanding silica gel soft fastening disk equipped with a piston-link mechanism.

The present invention provides an improved artificial anal bag, belongs to the technical field of medical supplies and solves a problem of inconvenient cleaning of the existing artificial anal bags. The improved artificial anal bag comprises a bag body, the bag body is provided with at least one flushing structure for flushing an inner cavity of the bag body, the flushing structure comprises a spraying nozzle and a seat body, the seat body is arranged on the bag body in an inserting manner, besides, the seat body is provided with a flushing pipe cavity communicating inside and outside of the bag body, the spraying nozzle is connected at an inner end of the seat body, besides, the spraying nozzle is located in the inner cavity of the bag body, and the seat body is provided with a sealing element. A syringe or an infusion set is inserted on the seat body, then an inner cavity of the artificial anal bag is washed with water or cleaning liquid through the spraying nozzle, and a washing effect is good.

The invention discloses an intestinal tract anastomotic leakage protection support which comprises a support woven body. The stent woven body is composed of a double-big-horn-shaped upper end, a double-big-horn-shaped lower end and a middle groove part and is of an integrated net-shaped structure with elastic performance, and the outer surface of the stent woven body is wrapped with a covering film so as to wrap meshes in the stent woven body. The invention further provides a manufacturing process of the intestinal tract anastomotic leakage protection support. The covered stent has the advantages that the covered stent is placed in the anastomotic stoma, so that recovery of the anastomotic stoma is accelerated, and leakage of the anastomotic stoma is avoided; secondary operation intervention is not needed, so that a patient does not need to bear pains of an artificial anus and wearing an ostomy bag; anastomotic leakage is effectively avoided, meanwhile, the living quality of a patient is greatly improved, and the life of a normal person is recovered.

The invention discloses an artificial anus bag. The anus bag comprises a bag body, wherein a discharge port is reserved on the bag body; an anus through hole for defecating is reserved on one side of the bag body; and a medical adhesive or hydrocolloid is arranged on the periphery of the anus through hole. The artificial anus bag has the beneficial effects of simplicity and convenience in operation, sanitation in use, good seal property and wearing comfort of patients.

Provided is a device for cutting an artificial anus protection plate. The device includes: a protection plate support part having a support part in which a coupling rod passing through the artificial anus protection plate and having a male screw section formed on the outer peripheral surface thereof is installed, and which supports the artificial anus protection plate; and a rotary pressing part including a cutting part, which has a circular blade for boring a hole in the artificial anus protection plate at a preset diameter, and a pressing body, which has a female screw section passing through the cutting part and screw-coupled to the male screw section of the coupling rod, and presses the cutting part toward the support part by means of rotation.

The invention discloses an artificial defecation device used after rectal cancer radical operation. The artificial defecation device comprises a rectum prosthesis, a pressure sensor, an extrusion mechanism, an artificial anus and an anus plugging mechanism, the artificial anus is arranged at one end of the rectum prosthesis, the pressure sensor is arranged at one end, away from the artificial anus, of the rectum prosthesis, the extrusion mechanism is arranged on the rectum prosthesis, the anus plugging mechanism is arranged in the artificial anus and connected with the pressure sensor, and anindicating unit is arranged on the anus plugging mechanism and used for indicating pressure. According to the device, original rectum and anal tube excrement storage and defecation control functions are simulated through the artificial prosthesis, the defecation is powerful, and the problems of ischemia, ulceration, corrosion and infection are avoided.

The invention provides an artificial anus controller for enterostomy, and relates to the technical field of auxiliary medical instruments. The artificial anus controller comprises a flow guide pipe, a plugging piece and a driving assembly used for driving the plugging piece to deform in the radial direction of the flow guide pipe; the plugging piece comprises a plurality of supporting pieces fixedly arranged on the inner side wall of the flow guide pipe, the supporting pieces are evenly arranged in the radial direction of the flow guide pipe, the supporting pieces are made of bidirectional shape memory polymers and have an initial shape and a temporary shape; in the initial shape, the supporting pieces are attached to one another to form a sealed state so as to plug a flow channel; and in the temporary shape, the supporting pieces are separated from one another to form an open state so as to open the flow channel. The supporting pieces made of the bidirectional shape memory polymers are adopted for simulating the function of the sphincter of the human body, the plugging efficiency and the plugging effect of stoma are guaranteed, defecation can be effectively controlled, and liquid dung can be effectively prevented from leaking.

The invention relates to an electromagnetic-controlled artificial anal sphincter apparatus based on a rectum sensing function. The electromagnetic-controlled artificial anal sphincter apparatus comprises a hinge-shaped mechanism which is composed of a first pressing plate and a second pressing plate, a DC (Direct Current) pushing-pulling electromagnet, an arc closing mechanism, a small-size sliding block and two pressure sensors; at a left side, the first pressing plate and the second pressing plate are hinged through a hinge to form a transmission pair; the electromagnet is fixed on the second pressing plate; a pushing rod in the electromagnet penetrates through a small hole of the second pressing plate and is connected with the first pressing plate through the sliding block; the arc closing mechanism is fixed at tail ends of the two pressing plates; meanwhile, two flexible baffle plates are fixed at a left side and a right side of the arc closing mechanism. The electromagnetic-controlled artificial anal sphincter apparatus is arranged in the body of a patient, and a function as an anal sphincter can be played; the pressure sensor is used for sensing pressure in rectum and analyzing amount of human excrement, and then judging whether the electromagnet is electrified or not, so that opening or closing of an artificial anal sphincter can be directly controlled. The apparatus has the advantages of simple design, convenience in manufacturing and simpleness in operation.