38 results about "Colostomy" patented technology

This disposable device for securing an ostomy bag to a stoma created in a patient, of the type comprising means for joining the ostomy bag to an adhesive seal (5) which is applied on the patient via a contact face, a through-passage (8) communicating with the stoma being formed in the adhesive seal (5), of which the contact face on the patient is at least partially covered by an adhesive composition, is characterized in that the adhesive seal (5) additionally comprises means (15, 16, 17, 18, 19) for detecting wetness of the adhesive composition and means for triggering an alarm when a predetermined level of wetness is reached in the adhesive composition.

A device for evacuating waste product through an orifice in a mammalian body, the device including a chamber having an irrigating means for introducing an irrigating fluid into the orifice and a suction means for removing the irrigating fluid waste products from the orifice.

A method and apparatus for alerting a colostomate or medical attendant to the presence of fecal matter. The device includes a hollow plug detachably securable to a flexible port positioned about the stoma. The port carries an alarm circuit which is triggered when fecal matter enters the plug lumen which will alert the colostomate to an impending episode. The signal may be vibratory, audible or visible and may be transmitted to a remote location. The device includes an inflatable air cuff which, when inflated, presents a physical barrier to the passage of fecal matter. Gas may pass through filters in the tube. The method involves positioning the device in the stoma, inflating the cuff and generating an alarm when matter is sensed.

The invention relates to a discontinuous deformable surgical anastomosing magnetic ring. The discontinuous deformable surgical anastomosing magnetic ring is provided with two magnetic ring bodies, wherein the magnetic ring bodies are the same in structure and opposite in magnetic poles and are arranged in a piling up manner; each magnetic ring body comprises a plurality of arc-shaped magnetic ring blocks and a plurality of connecting pieces; the arc-shaped magnetic ring blocks are movably connected in an end-to-end manner by the connecting pieces respectively through rivets so as to form the magnetic ring bodies; a plurality of discontinuous anastomosing gaps are formed in the upper surfaces of the arc-shaped magnetic ring blocks of one magnetic ring body; a plurality of discontinuous anastomosing gaps are formed in the lower surfaces of the arc-shaped magnetic ring blocks of the other magnetic ring body; the connecting pieces of the two magnetic ring bodies arranged in a piling up manner are oppositely arranged; and the discontinuous anastomosing gaps of the two magnetic ring bodies are arranged in an abutting manner so as to form a discontinuous anastomosing port. The discontinuous deformable surgical anastomosing magnetic ring is light in weight and large in magnetic force, is deformable, and can be easily discharged from a human body, the stability and the involutory accuracy of the magnetic ring are enhanced, and the magnetic losses are reduced; and the discontinuous deformable surgical anastomosing magnetic ring has the characteristics of surgical discontinuous anastomosis, and pressure gradients can be locally formed at the anastomosing port further, so that the tissue healing is better, and the discontinuous deformable surgical anastomosing magnetic ring can be applied to the fields, such as PPH (Procedure for Prolapse and Hemorrhoids), rectal low-order anus-preserving operation, circumcision, colostomy, minimally invasive endoscopic resection and anastomosis, and the like.

A device (10) is provided for use in reinforcing a boundary wall of a patient's abdominal cavity at a site at which a portion of the patient's alimentary tract passes through that boundary wall. The device comprises a collar portion (11) for extending, in use, around the alimentary tract (17) at the approach of the alimentary tract to the interior of the boundary wall at said site. The device also comprises a plurality of petal-like elements (12) extending from the collar portion (11), said elements being arranged so as to extend, in use, outwardly with respect to the longitudinal axis of the portion of the alimentary tract passing through the collar portion and to be attached, in use, to the interior of the boundary wall around said side. The device is preferably, but not exclusively, for use in the prevention or treatment of parastomal herniation in patients having a colostomy or ileostomy or the like. It may however also find other applications, for example in the repair of developed hiatus hernias or the like.

The invention provides a method for establishing orthotopic transplantation model of colorectal cancer, which comprises a) selecting and culturing colon adenocarcinoma cell line and preparing cell suspension; b) performing colostomy on living experimental animal; c) and inoculating the above colon adenocarcinoma cell suspension to submucosal stroma to allow natural growth. The biological traits such as route of metastasis of the transplanted adenocarcinoma cells are similar to that of the primary colon adenocarcinoma cell. The invention is advantageous in that the model is easy to be established, the transplanted colon adenocarcinoma locates at body surface so that it can be sampled and observed conveniently to meet the requirement for dynamic research, and the consumption of experimental animals can be reduced.

A waste evacuator device (10) for evacuating waste products from bodily orifices, including stomas and artificial stomas created as a result of a surgical procedure such as a colostomy is disclosed. The device comprises a chamber (11) having an inlet (14) which is fluidly communicable with an orifice formed in a mammalian body. An irrigation member (12) is provided for introducing irrigating fluid into the orifice. A suctioning device (13) connectable to the chamber to create a region of reduced pressure within the chamber. An irrigation and evacuation control means for the device is provided for receiving signals generated by at least one sensor, the signals being representative of at least the performance of the irrigation member and of the suctioning device.

The colostomy balloon plug has three parallel conduits with a combined charcoal and hydrophobic filter at one end of the largest central first conduit. The largest central first conduit is open at one end and has the combined charcoal and hydrophobic filter at its other end, for elimination of bowel gas. A shorter parallel second conduit terminates on one end in a first balloon and on a second end in a first one-way valve. A shortest parallel third conduit terminates on one end in a second balloon and on a second end in a second one-way valve. A syringe and extension conduit is selectively attached to the two one-way valves. Air, saline solution or sterilized water can be introduced from the syringe through the one-way valves of the extension conduit to inflate the two balloons about the largest central first conduit. The one-way valves prevent deflation of the balloons unless the shorter or shortest parallel conduits are cut to allow the fluid from the two balloons to exit and deflate the balloons.

The present invention is related to a system and method of securing or retaining a medical access device in a desired position using a retention member or bolster having a diameter at least four time the diameter of the tube portion of the medical access device. In one embodiment, the medical access device is a percutaneous endoscopic colostomy (PEC) tube which has an internal bolster with a diameter over five times the diameter of the PEC tube. The increased diameter of the bolster distributes the tension over a greater surface area to minimize complications such as necrosis associated with long-term implantation of the device. The increased diameter also promotes adhesion of the layers traversed by the medical device to prevent leakage around the PEC stoma.

The invention discloses an ileum augmentation cystoplasty method capable of keeping an original bladder. The ileum augmentation cystoplasty method is specifically carried out according to the following steps: slightly dissociating the front wall, the top, the rear wall and the two side walls of a contracture bladder, so that the top of the bladder is sufficiently revealed; longitudinally splitting the bladder from the top of the bladder; suturing an ileum loop to expand an enteric cavity; and continuously suturing the ileum loop and the split original bladder by an assimilable thread and carrying out bladder colostomy and retention catheterization. According to the method, ileum augmentation cystoplasty is carried out on the basis of not removing the original bladder and the living quality of a patient is remarkably improved; the bladder evacuation capability is good; a narrow anastomotic stoma is not formed after anastomotic stoma operation, so that the patient is very satisfied.

The invention discloses a colostomy lavage improvement device which comprises a stomy base plate and a body. The body comprises a hollow cylinder inserted into the intestinal canal and a cover body indwelled outside the intestinal canal, the cover body is connected with the end, away from the abdominal wall, of the hollow cylinder, the common opening for the cover body and the hollow cylinder faces the outside of the abdominal wall, the cover body and the stomy base plate are respectively provided with a first buckling portion and a second buckling portion which are mutually sealed and buckled, and a one-way valve capable of opening or closing the channel of the hollow cylinder is arranged at the opening position of the cover body. The colostomy lavage improvement device further comprises a hollow connecting part, a third buckling portion and a fourth buckling portion which can be respectively buckled with the first buckling portion and the second buckling portion are arranged at two ends of the hollow connecting part, and an opening is formed in the side wall of the hollow connecting part and is connected with an excrement collecting cuff. The colostomy lavage improvement device is easy to adjust and control, good in leakproofness, economical, sufficient in lavage effect, attractive and clean, and operation is effort-saving.

The invention relates to a collecting device used after colostomy, wherein the collecting device comprises a drainage mechanism and an ostomy bag detachably connected with the drainage mechanism. Thedrainage mechanism comprises a base plate used for being attached and fixed to the body surface around an abdominal stoma; an opening is formed in the base plate, one side of the base plate is provided with a hose, and the hose is used for being placed into the stoma and is made of a flexible material; the hose can cling to and be fixed with the intestinal wall; a connecting structure is arrangedon the other side of the base plate; the base plate is detachably connected with the ostomy bag through a connecting structure. Intestinal contents can flow into the ostomy bag through the hose and the opening in the base plate, the intestinal contents can be effectively prevented from damaging skin around the ostomy bag by using the collecting device, the supporting effect on the abdominal wall section of the intestinal ostomy bag is achieved, and the postoperative life quality of a patient suffering from ostomy recession or stenosis can be obviously improved.

The invention discloses an integrated colostomy dressing changing device, which comprises a multifunctional storage table, a screw lifting leg, a sliding wheel, a first folding shaft, a drainage coverplate, a second folding shaft, an arc waist support, a partition plate, a flushing water container, a shower container, a garbage bag container, a shower device, a miniature charging water pump, a hose and a shower device, wherein the multifunctional storage table is vertically provided with screw lifting legs at four corners of the bottom. The integrated colostomy dressing changing device integrates stoma irrigation, dressing change, storage and other functions in one, and can effectively shorten the dressing change time; the constant-temperature rinsing water is designed for the spray device, the patient can no longer endure the discomfort of cold water rinsing, and the device is very well fit with the waist of the patient, so that the occurrence of adverse events such as sewage easilyflowing onto the bed and clothes of the patient when the dressing is changed in the ostomy can be greatly reduced, and the storage of the dressing-changing articles is convenient, and the preparationtime of the articles is reduced.

The invention belongs to the technical field of medical animal models, particularly to a rabbit kidney in-vivo low-temperature mechanical perfusion model and a construction method thereof. The rabbit kidney in-vivo low-temperature mechanical perfusion model which serves as a research tool is characterized in that the in-vivo autologous kidney transplant mode is adopted, wherein the kidney transplant low-temperature mechanical perfusion process is copied. The construction method comprises the steps of preoperative preparation; anesthesia, fixation, skin preparation and conventional laparotomy; renal pedicle clipping and abdominal exploration; reperfusion; in-vivo simulation on kidney in-vitro low-temperature MP (Mechanical Perfusion) preservation; vascular suture; bladder colostomy; right kidney excision; abdominal cavity closing; postoperative maintenance. According to the rabbit kidney in-vivo low-temperature mechanical perfusion model, the immunological rejection caused by allogeneic kidney supply is eliminated; meanwhile the kidney is not completely separated and accordingly the vascular suture is easy, the suture time is shortened, the vascular damage is reduced, and the interference of the factors is reduced when the rabbit kidney in-vivo low-temperature mechanical perfusion model is applied to the MP mechanism research; the operation is simple and the repeatability is good.

The invention belongs to the technical field of medical auxiliary instruments, particularly relates to an ostomy bag invisible fixing and supporting device, and specifically provides an ostomy bag fixing container which is convenient for a colostomy patient to wear on a waistband, and is used in daily life especially during exercise. The container comprises an ostomy bag fixing unit, an ostomy bagcontaining space is constructed and enclosed by the ostomy bag fixing unit, the ostomy bag fixing unit comprises a human body contact part and a waistband clamping fixing part, and the clamping fixing part comprises a mobile adjustable structure so as to conveniently realize ostomy bag containing and enable the containing space to be in proper size. According to the ostomy bag fixing container, an integral device structure and ostomy bag placing thereof are stably arranged, stoma mucosal injury caused by content falling and shaking of the ostomy bag during movements of the colostomy patient is avoided, damage and destruction to stoma of a human body can be reliably and effectively prevented, ostomy bag wearing safety of the patient is improved, and the colostomy patient is helped to really return to society. The ostomy bag fixing container has wide application in the field of stoma chassis medical care devices.

A trocar for positioning within a body lumen such as an intestine is disclosed. The trocar has a window adjacent its distal end in communication with the internal lumen of the trocar. The trocar is sufficient rigid to stabilize the body lumen upon positioning therein to maintain patency of the body lumen. A slot in communication with the window extends to the distal end of the trocar.

A surgical procedure for reversing a colostomy procedure is also disclosed. The above described trocar is inserted into a first intestinal section through an opening in the abdominal wall. A guide wire is introduced through the rectal opening and advanced through the rectal stump and out the opening in the abdominal wall. An anvil is connected to the guide wire and the guide wire withdrawn through the rectal opening to advance the anvil within the first intestinal section. An anastomosis instrument is introduced through the rectal opening and connected to the anastomosis instrument. The anastomosis instrument is fired to connect the two intestinal sections to reestablish continuity between them.

The invention discloses an ileum colostomy catheter. The ileum colostomy catheter comprises a catheter body and is characterized in that a flushing tube is arranged in the catheter body. The ileum colostomy catheter can better achieve obstruction dredging.

The invention discloses a protection and deodorization device for a stoma bag. The device is characterized in that a stoma bag connector is connected with a stoma joint, the end of the stoma bag is provided with the stoma bag connector, the stoma bag is installed in a packaging bag, the two sides of the upper portion of the packaging bag are provided with a first packaging belt and a second packaging belt respectively, the bottom end of the packaging bag is provided with a zipper and an observation window, and through the first packaging belt and the second packaging belt, the stoma bag is fixed to the waist and the abdomen of a human body, and the stoma joint is fixed; the first packaging belt and the second packaging belt are crosswise tightened to the waist and the abdomen of the human body in an overlapped mode and fastened through hook-and-loop fasteners, and the stoma bag is fixed by the packaging bag; the stoma bag is a transparent body, the zipper and the observation window are opened to form a window which can be seen after the packaging bag is opened, and the observation window can be opened and closed. The protection and deodorization device has the advantages that the device can keep being connected with and protecting a stoma of a patient after a colostomy for 24 hours, leakage is not prone to occur in receiving and containing, environmental pollution is reduced, and the device is conveniently disassembled and assembled, can be repeatedly disassembled to be washed, be reused after being disinfected and reduce cost and is clean, sanitary, attractive, practical, economical and convenient to operate.

The invention discloses a fixator for preventing orifice prolapse. The fixator comprises a fixing ring and a connector, wherein the fixing ring is arranged on the periphery of a colostomy surgery, and is pasted to the skin in the periphery of the colostomy surgery through a laminating sheet at one side; a through hole is formed in the laminating sheet and is located at the center of the fixing ring; the connector is a tubular part with openings in two ends and passes through the through hole; the connecter is provided with a swelled head which is inserted into the colostomy surgery, passes through the neck of the through hole and extends to the tail part of the other side of the fixing ring; and the tail part extends out of the skirt part along the radial direction. The fixator for preventing orifice prolapse is simple in structure and convenient to use; and prolapse of the colostomy surgery can be prevented. The invention further provides the ostomy bag with the fixator for preventing orifice prolapse.

The present invention provides a special-purpose surgical knife tool component and a technological process for human body colostomy; the knife tool component is characterized in that the knife tool component is composed of a skin flat-unfolding device, a titanium alloy cylinder, a titanium alloy subbase, a knife tool bar member and a rigid support; when operating, the human body skin flat-unfolding device unfolds flatly and tightens a abdomen laying operation region, then the titanium alloy cylinder cup dolly is bonded and fixed at the laying position for a human body abdomen operation wound, the knife tool bar member is covered on a circumference screw thread of the titanium alloy cylinder rotationally, finally the rigid support fixed on an operating table is connected with the titanium alloy cylinder through a rigid localization; here rotating the knife tool bar member, its cutting part excides the skin and the subcutaneous fat tissue along the circumference fringe of the titanium alloy cylinder subbase to reach a prescribed depth, fetching the rigid support and the knife tool bar member, pulling the titanium alloy cylinder upward and exciding the fat tissue of abdominal wall closed aponeurosis position by a conventional surgical knife, then lifting and pulling the incised columnar tissue, the contour forming operation of artificial anus is then over.