97 results about "Anal canal" patented technology

A sphincter tissue region is treated using a support structure sized for advancement into the anal canal. At least one electrode is carried by the structure. A mechanism is coupled to the electrode to move the electrode between a first position retracted in the support structure and a second position extended from the support structure through surface tissue to penetrate a subsurface tissue region at or near a sphincter in the anal canal. A cable is coupled to the electrode to conduct energy for application by the electrode to form a lesion in the subsurface tissue region.

A sphincter tissue region is treated using a support structure sized for advancement into the anal canal. At least one electrode is carried by the structure. A mechanism is coupled to the electrode to move the electrode between a first position retracted in the support structure and a second position extended from the support structure through surface tissue to penetrate a subsurface tissue region at or near a sphincter in the anal canal. A cable is coupled to the electrode to conduct energy for application by the electrode to form a lesion in the subsurface tissue region.

Provided are artificial muscle patches, which are adapted to be implanted adjacent a patient's heart, and artificial sphincter cuffs, which are adapted to be implanted around a body lumen, such as the urethra, the anal canal, or the lower esophagus. The devices of the present invention comprise: (a) one or more electroactive polymer actuators; and (b) a control unit for electrically controlling the one or more electroactive polymer actuators to expand or contract the devices.

Devices and methods for preventing or reducing the severity of hemorrhoids include a raised portion and a base, where the raised portion extends in a first direction away from the base and is shaped to engage and apply pressure to a region of a patient subject to hemorrhoids. The devices may further include a plug for insertion into the anal canal to engage and apply pressure to another region of the patient subject to hemorrhoids. The methods include securing the device in an engagement position to apply the pressure to prevent or reduce the severity of hemorrhoids. Such devices and methods are especially applicable during the childbirth process.

The invention discloses an anus expanding device used for expanding the anus and the anal tube. The anus expanding device brings convenience to a doctor for examination or operation and comprises a chassis, a guide rail disc, an expanding rod and a connecting ring. The guide rail disc rotates on the chassis. One end of the expanding rod slides in a guide rail groove. The guide rail groove is designed in an eccentric mode or involute mode, and the other end of the expanding rod is driven to move. The connecting ring is a fixed compression part which can prevent the guide rail disc and the expanding rod from being disengaged. The anus expanding device has the advantages that the anus and the anal tube can be gradually and controllably enlarged in parallel, the anal sphincter can gradually adapt to the enlarging range of the anus expanding device, the anal fissure phenomenon can be avoided, and pains of patients are relieved.

The invention relates to a magnetic-ring artificial sphincter, namely an annular structural device based on magnetic bodies. The magnetic-ring artificial sphincter is formed by connecting a plurality of magnetic bodies in series through connection materials. Expansion and shrinkage with reversibility can be achieved through the magnetic force absorption effect of the magnetic bodies and sliding and flexible characteristics of the connection materials. The magnetic-ring artificial sphincter is embedded around cavity pipelines in the bodies, can simulate functions of a normal human sphincter, can enhance or rebuild the sphincter functions of organs reducing in or losing sphincter force, controls normal flow direction of contents of hollow organs, and can substitute or rebuild sphincter tissues at positions of esophagus, cardia, pylorus, ileocecus, anal canals, bladders, positions around urethral canals, alimentary canals and urinary tract stomas and the like. The magnetic-ring artificial sphincter is convenient in operation, few in manufacture process, reliable in function and wide in application prospect in the field of biomedicine.

A multifunctional medical tool for use in proctologic applications, during which a surgeon has to manipulate a surgical instrument, brought within the anal canal. The tool comprises a pistol-grip portion (10) to carry the surgical instrument, an endoscopic means (30') for insertion within the anal canal and a surgical instrument (56), which can be brought in the anal canal through the endoscopic means (30'). The tool can be used for endoscopic examination or for various invasive proctologic treatments within the anal canal, rectum or distal colon.

Relatively pain free vaginal dilation is obtained by inserting into the vaginal canal a variable rigidity vaginal dilator having an inflatable balloon, in a manner that avoids insertion into the urethra. Air is introduced into the balloon. When the patient has gained confidence in the pain free use of the dilator, the balloon is deflated to remove the air and water is introduced into the balloon to expand it so that it contacts the vaginal canal and exerts a pressure thereon. This contact is maintained for a period of up to about 15 minutes. The pressure and / or contact time is stepwise sequentially increased to a maximum of about 12 atmospheres and a contact time of up to about 45 minutes, in accordance with a regimen and instructions established by the patient's healthcare provider and tailored to the patient's specific needs. A preferred embodiment of the dilator and a kit employing same, useful in the method of the invention, are disclosed.

The invention discloses a disposable anoscope which is used for various disease checks of the lower sections of the anal canal and the rectum and provides a space for operation treatment. The disposable anoscope comprises an inner cylinder and an outer cylinder, wherein the inner cylinder is a cylinder of which the side wall is provided with a longitudinal strip opening, and the cross section of the inner cylinder is in a C shape; the outer cylinder is also a cylinder of which the side wall is provided with a longitudinal strip opening, and the cross section of the outer cylinder is also in aC shape; and the inner cylinder is mutually sleeved with the outer cylinder to form a structure that the inner cylinder can rotate along the inner wall of the outer wall. When the inner cylinder rotates to lead the openings of the inner cylinder and the outer cylinder to superpose, a check window through which direct observe can be performed is formed, and the size of the check window can be adjusted and controlled according to the requirement, thereby the observation visual field range is wide and controllable. When the openings of the inner cylinder and the outer cylinder are completely closed, the anoscope can be conveniently inserted into the anus. The disposable anoscope solves the problems of inconvenient clinical check and difficult treatment operation of the currently used anoscope.

A device and method to avert anal fecal leakage is disclosed that possess at least two means for the prevention of anal leakage or hemostatic application. The device is inserted internally and is used inside of the rectal cavity for absorption along with a sealing member placed externally against the anus which is designed as a secondary means for the prevention of leakage. An embodiment of the device includes a third sealing means to prevent leakage into the anal canal. The device is constructed to be flexible with a minimum of intrusiveness for the user during use. The device is constructed for one person insertion and removal unless patient or user is incapacitated. Due to its design, the device is capable for use over a wide range of human and certain animal applications.

The invention discloses an anus dilatation device for a surgical operation, comprising a hollow body and an outward-expanding broadside, wherein the broadside is connected to the near end of the body, the body comprises at least two groups of matched anus dilatation sheets between which a gap exist, and therefore the far ends of the anus dilatation sheets become gathered together from mutually departing. The anus dilatation device can gradually and controllably dilatate the anus and the anal tube of a patient so as to avoid anal fissure and lighten the pain of the patient. Meanwhile, the processes of anus pre-dilataton and anus dilatation are integrally designed, and thus the product is convenient and simple to use. The anus dilatation device can be widely applied in the surgical operations.

The invention discloses a medicine composition with the functions of narcotizing in an operation and alleviating pain after the operation. The medicine composition comprises tetracaine, bupivacaine, mastic, rhizoma cyperi, girald daphne bark, white peony root and menthol. The medicine composition is added with conventional auxiliary materials in pharmacy according to a conventional process to prepare a clinically acceptable medicament form. The medicine composition is a medicine for injecting and narcotizing in the operation and alleviating pain in a long acting way after the operation and is already applied to clinic successfully throughout the years. The medicine composition can enable the surgical field to be clear, can also avoid pain, sagging distention, frequent defecation and uroschesis caused by the operation, can loosen the anal canal fully and is convenient for the surgical operation.

The invention discloses an anus expander seat for surgery, which is used for expanding an anus and an anal canal. The anus expander seat comprises a hollow body and an externally expanding wide edge, wherein the wide edge is connected to the near end of the body. The anus expander seat is characterized in that: the body and the wide edge of the anus expander seat for surgery have winding drum structures; each winding drum structure comprises a positioning edge and an adjusting edge which selectively move or are fixed with each other; the outer wall of the adjusting edge is firmly attached to the inner wall of the positioning edge; and the adjusting edge can slide relatively to the inner wall of the positioning edge. The anus expander seat can gradually and controllably expand the anus and the anal canal of a patient and can enable the sphincter of the anus to adapt to an amplitude opened by the anus expander seat before the anus expander seat is inserted, so that the phenomenon of anal fissure is avoided and the pain of the patient is relieved. The anus expander seat can be widely applied to surgical operation.

Today's suppositories are typically packaged individually for digital administration into the anal canal of a patient. A suppository applicator described herein, which works with individually packaged suppositories, can alternatively be shipped in a prepackaged operational arrangement with a suppository to enable the patient to administer the suppository through use of the applicator in a single operation after opening a hygienic wrapper containing the applicator-suppository combination. A method for manufacturing a suppository includes manufacturing the suppository in the presence of and in contact with an element configured to be used to insert the suppository into a body cavity. The method may include using the element to define a shape of the sup pository during the manufacturing. The resulting applicator-suppository combination is more hygienic and easier to handle than the separate applicator and suppository and provides more efficiency from time of opening the packaging to time of commencing administration of the suppository.

The invention discloses an anal levator shaft plane image processing method and a device thereof. The method is characterized by acquiring three-dimensional volume data of a basin floor; according to the three-dimensional volume data, carrying out image detection on a basin-floor-center sagittal image and identifying a pubic symphysis lower margin and a rectum and anal canal connection portion; acquiring a connection line of the pubic symphysis lower margin and the rectum and anal canal connection portion, adjusting the connection line and making the connection line be in a horizontal direction; and according to the connection line of the horizontal direction, adjusting a sampling frame and acquiring an anal levator shaft plane image. By using the anal levator shaft plane image processing method and the device thereof, the pubic symphysis and the rectum and anal canal connection portion can be automatically identified so that the sampling frame is rapidly and accurately adjusted and an anal levator area image is acquired; and accuracy and efficiency of image processing are increased.

The invention discloses a shit drainage anal tube. The keys of the technical scheme comprises an anal tube body, an inserting tube and an adjustment assembly at one end of the anal tube body, and a storage bag at the other end of the anal tube body; the inserting tube is made of soft silicone; the adjustment assembly includes a fixed disc, a rotating disc, and inserting rods; one ends of the inserting rods extends outward from an end of the inserting tube, and are slidably connected with the fixed disc after passing through the rotating disc; the rotating disc has adjusting grooves, and the fixing plate has sliding grooves; the fixed disk and the rotating disk have through holes for connecting the anal tube body and the inserting tube; the adjusting grooves are spirally arranged, and the sliding grooves are arranged along the radial direction of the fixed disk; a rotating cylinder covering one end of the fixed disc is arranged on the rotating disk; the fixed disc is threadingly connected to the rotating cylinder; the fixing disc is screwed with a limiting ring for limiting the rotating cylinder; and air bags are arranged on the inserting tube. The anal tube overcomes the shortcoming that the anal tube is fixed on the periphery of the anus of the patient with the needle, and the outer diameter of the anal tube is fixed in the prior art.

The invention discloses a hemostatic device of a recto and an anal canal. The hemostatic device comprises a hemostatic tube body, a gauze sleeve and an auxiliary plug rod, the hemostatic tube body comprises a first tube opening and a second tube opening at two ends, and a first flange is arranged on the outer edge of the first tube opening, fixing holes are formed in the flange, and multiple medicine holes are formed in the tube wall of the hemostatic tube body; two ends of the gauze sleeve are open, and the gauze sleeve is connected to the hemostatic tube body in a sleeving mode; the auxiliary plug rod can be inserted into the hemostatic tube body and limited through a second flange which is arranged in the second tube opening. The hemostatic device can effectively stop bleeding by compression, not only takes a hemostatic effect, but also avoids anastomotic stoma injury and wound bleeding, and the diameter of the column-shaped device can be adjusted in a seriation mode, so that the hemostatic device accords with the anal canal diameter of different patients. Meanwhile, it is guaranteed that the hemostatic device cannot slide out automatically through multiple modes, the hemostatic device can also be prevented from retrograding into the recto, the hemostatic device is prevented from sliding out too early and thus cannot take the effect of stopping bleeding, and the situation is avoided that since materials are placed again, sufferings of the patients are increased.

Various embodiments of an implant system for treating fecal incontinence are provided. The devices and systems can include a mesh or like device that can include a variable porosity to control the degree of expansion of the anal canal. The mesh can be constructed at least in part of patterned strut members allowing for various geometric configurations, with varying load and tension properties for the designated portions of the device according to the needs for a particular patient application.

The invention discloses an anti-infection enemator. The anti-infection enemator comprises an anal canal, an expanding part and a pressing nut, the anal canal is used for being inserted into the anus of a patient, an outer thread is arranged on the outer wall of the rear end of the anal canal, and the portion, located in front of the outer thread, of the anal canal is provided with a blocking part; the expanding part is arranged at the rear end of the anal canal in a sleeving mode, and comprises a first end, a second end and a swelling and shrinking body connected between the first end and the second end, and the first end is limited and blocked by the blocking part; the pressing nut is in threaded connection with the outer thread of the anal canal, abuts against the second end, and is used for adjusting the distance between the first end and the second end. According to the anti-infection enemator, by adjusting the pressing nut and enabling the pressing nut to move forward relative to the anal canal, the swelling and shrinking body is axially compressed and is radially expanded at the same time, that is, the diameter of the middle of the swelling and shrinking body is increased, therefore the effect of blocking the anus of the patient is achieved, in this way, the problem that according to an existing enemator, a saccule needs to be inflated is solved, the adjustment is simple, fast and convenient, and the enteroclysis efficiency is improved.

The invention discloses a dilator, which comprises a hollow round table-shaped guiding plate and at least two dilating sheets, wherein each dilating sheet comprises a body with an arc-shaped peripheral surface structure and a wide edge dilating outwards; the wide edge is connected to the near end of the body, and the bottom of the wide edge is radially and slidably connected to the outer surface of the guiding plate through a connection mechanism; and the axis of the body of each dilating sheet is parallel to that of the guiding plate, so that the dilator can be in the shrinkage or dilation state selectively. By the dilator, anuses and anal tubes of patients can be dilated gradually and controllably, so that anal fissure is prevented and the pain of the patients is relieved. Simultaneously, in the dilator, anus predilation and anus dilation are integrated, so that products are easy and convenient to use. The dilator can be widely applied to surgical operations.

The invention provides an indwelled anal tube and an excrement collection device. The indwelled anal tube comprises an anal tube body, a water filled bag and a fixing mat; the water filled bag is arranged at the anus inlet end of the anal tube body, and the fixing mat movably sleeves the outer wall of the anal tube body; the water filled bag is connected with a water injection tube. To solve the problem that the existing indwelled anal tube cannot completely seal an anus, so as to lead to excrement leakage, the indwelled anal tube in the technical scheme of the application provides the water filled bag and the fixing mat, through the matching of the water filled bag and the fixing mat, the anal tube convenient for collecting the excrement of a patient is indwelled in the anus of the patient, and the problem of excrement leakage cannot occur.

The invention discloses a uterine cancer vaginal canal resection operation instrument, belonging to the technical field of medical instruments. The uterine cancer vaginal canal resection operation instrument specifically comprises a fixing unit and a cutting unit. A vaginal inner circumcision type is proposed for the first time, and the vaginal canal is fixed on the inner wall of the vaginal canal. On the one hand, the vaginal canal has closed the uterus before resection; on the other hand, the uterus to be resected is prefixed on a device and can be directly pulled and moved out by the deviceafter the resection operation is completed without additionally placing a forceps clip for clamping and traction, the process is simple and reliable, and the possibility of cancer cells falling is eliminated fundamentally. In addition, the resection operation is directly completed in the vaginal canal, which is different from a traditional mode of resection from the outer wall of the vaginal canal, and the operation convenience is clear at a glance.

The invention relates to an anal tube exhaust apparatus used after abdominal surgical. The anal tube exhaust apparatus comprises a shell, an electromagnet, a gas collecting bag, a valve and a push rod; a positive electrode contact is arranged in the middle of the bottom of the electromagnet, and a negative electrode contact in contact with the positive electrode contact after the gas collecting bag collect a certain amount of gas to stretch is arranged in the middle of the top of the gas collecting bag; the positive electrode contact and the negative electrode contact are connected with positive and negative electrodes of the external power supply respectively through a circuit, which is used for energize the electromagnetic to generate magnetism after the gas collecting bag collects a certain amount of the gas to stretch, the gas collecting bag is then squeezed by the electromagnet, and meanwhile, the valve opens a vent to discharge the gas from the gas collecting bag; the electromagnet overcomes the attraction and slides upwards under the action of total elastic force after the gas collecting bag is compressed into the inner part to form negative pressure. The anal tube exhaust apparatus has the advantages that special monitoring of nursing staff is avoided, repeated gas exhaustion by the nursing staff is not needed, working efficiency is improved, labor is saved, and early health recuperation is facilitated for patients.

The invention provides an anal fistula ointment and a preparation method. The anal fistula ointment is prepared by combining the following medicines: coptis chinensis, phellodendron amurense, radix sophorae flavescentis, sanguisorba officinalis, schisandra chinensis, fructus mume, lithospermum erythrorhizon, bletilla striata, alum, sodium benzoate and oxhide gelatin. The preparation method comprises the processes of substrate preparation, medicine combination, anal fistula ointment boiling and packaging. The method for treating anal fistula by utilizing the anal fistula ointment is simple, a patient can operate in person, the cost is low, pain can be avoided, the anorectal tissue structure is in good condition, the recovery is quick, and the recurrence rate is low. The anal fistula ointment can also be used for treating hemorrhoids, scalds and rectitis, and is suitable for being applied as a medicine to treatment of anal fistula.

The invention discloses an anal tube for use in the treatment of anorectal diseases, which belongs to the technical field of medical apparatus and instruments for use in surgical operation. The invention adopts a technical scheme that: an expansion cell is expanded to pressure a wound to stop bleeding; intestinal contents are discharged from an aspiration tube; an irrigator is used to irrigate the intestinal tract; and thus, anastomotic leakage rate after low rectal carcinoma is lowered, excrement can be transferred radically, infection is controlled and the healing of the wound is promoted. The expansion cell can be expand and contract by injecting and pumping liquid or gas, the contracted expansion cell can be pulled out of and inserted into the rectum and anus, the expansion cell expanded in the rectum and anus can press the wound to stop bleeding, a hollow channel is formed in the expansion cell, and an aspirator and the irrigator are arranged in the hollow channel.

Today's suppositories are typically packaged individually for digital administration into the anal canal of a patient. A suppository applicator described herein, which works with individually packaged suppositories, can alternatively be shipped in a prepackaged operational arrangement with a suppository to enable the patient to administer the suppository through use of the applicator in a single operation after opening a hygienic wrapper containing the applicator-suppository combination. A method for manufacturing a suppository includes manufacturing the suppository in the presence of and in contact with an element configured to be used to insert the suppository into a body cavity. The method may include using the element to define a shape of the suppository during the manufacturing. The resulting applicator-suppository combination is more hygienic and easier to handle than the separate applicator and suppository and provides more efficiency from time of opening the packaging to time of commencing administration of the suppository.

The invention discloses a pharmaceutical composition for treating haemorrhoids. Hemorrhoid is a soft vein group formed by expansion congestion and buckling of venous plexus under mucosa at human body rectal end and under the anal canal skin and is a common chronic disease. Paste powder or ointment for external use, which is prepared from musk, borneol, verdigris, semen strychni and alums, can be pasted on an affected part before sleeping according to 98 cases in clinical application, as a result, the pains of patients in the 98 cases are stopped within 1-3 days, the haemorrhoids of 93 patients in the cases disappear within 6 days, the haemorrhoids of 5 patients in the cases are reduced and the pains are stopped. By using the haemorrhoids disappearing as curing standard and the haemorrhoid reduction and pain stopping as the effect, the curing rate is up to 94.8% and the effective rate is up to 100%. The composition is made from traditional Chinese medicines and is simple in preparation method, significant in treating effect, convenient to use, short in treatment period, low in treatment cost and effective to all internal haemorrhoids, external haemorrhoids and hybrid haemorrhoids, so that the purposes of simplifying on the treatment, reducing the treatment cost of patients and providing an exact treatment effect are achieved.

A transanal endoscopic surgery device comprises a rectum expander and an endoscopic surgery platform. The rectum expander and the endoscopic surgery platform are connected through elastic joints. The rectum expander is composed of an upper ring, spokes, a lower ring and side protrusions. The endoscopic surgery platform is composed of an operation panel and the elastic joints. The operation panel of the endoscopic surgery platform is provided with an instrument channel ring and an auxiliary operation window, wherein an endoscopic surgery instrument enters and exits through the instrument channel ring. According to the transanal endoscopic surgery device, the rectum expander can meet the requirements of the rectum anal tube anatomy mechanics, the shortages that existing rectum anal tube transanal surgery is small in surgery space, poor in surgery sight exposed point and prone to falling off are overcome, operation of the rectum anal tube transanal surgery is simplified, the endoscope technology and surgery attraction are combined, and therefore the endoscopic surgery device is easy to popularize and apply.

The utility model discloses a puncture positioning device, relates to a medical diagnosis instrument, and aims to solve the problem that a tumor incision edge position cannot be accurately and flexibly positioned in a cavity channel and anal canal puncture or low rectal cancer operation process. The device comprises a puncture needle catheter, a base and an adjusting base, the adjusting base is installed on the base, the puncture needle catheter penetrates through the adjusting base and the base, the puncture needle catheter is arranged on the adjusting base in a sliding mode along the axis, and a needle penetrating channel used for positioning a puncture needle to penetrate through is formed in the puncture needle catheter; and the positioning puncture needle extends out from a position, close to the detection end of the ultrasonic probe, of the puncture needle catheter. The puncture needle catheter is more flexible in the puncture or rectal cancer operation process, operation is more convenient, staining positioning or puncture of a tumor can be accurately achieved, especially, the low-margin position of the tumor is determined, a doctor can make a clear judgment according to the position of the tumor, the operation risk and difficulty are reduced. The invention plays an important role in judging whether the anus needs to be protected in a low rectal cancer operation.