52 results about "Anal dilatation" patented technology

The invention belongs to the field of medical instruments and discloses a rectum dilator. The rectum dilator comprises an anus expansion ring and a movable casing, wherein the movable casing can be inserted into the anus expansion ring; the movable casing and the anus expansion ring can carry out opposite advancing and retreating and rotational motion; the near end of the movable casing is open and the far end is closed; a window region is formed in the side wall, close to the far end, of the casing; and a labial margin is arranged at the near end of the casing. The rectum dilator is simple in structure, diverse in function, easy to operate and low in cost, and can be operated by a single person; and medical workers for walking equipment are liberated.

The invention discloses an anal dilatation device. The anal dilatation device comprises a main body and a sealing sleeve installation seat, wherein the main body is of a cylindrical structure; the main body comprises a dilatation part and an adjusting part; the dilatation part is provided with a plurality of support strips which are expanded in a radial way, and a flexible adjusting sleeve which is sheathed at the exterior of each support strip; the adjusting part comprises an inner cylinder and an outer cylinder; the multiple support strips are connected with one side, near the inserting end,of the inner cylinder along the circumference; the outer cylinder is connected with the inner cylinder by threads; the outer cylinder is used for drawing the multiple support strips in; the flexibleconnecting sleeve is used for coating the support strips; the sealing sleeve installation seat is fixedly connected with the inner cylinder; the sealing sleeve installation seat comprises a cylindrical installation ring and a bundling ring, and the bundling ring is sheathed with an installation ring; the bundling ring is used for bundling the sealing sleeve sheathed on the installation ring; the bundling ring is provided with an adjusting assembly, and is used for adjusting the inner diameter of the bundling ring to provide a channel suitable for TAMIS (transanal minimally invasive surgery). The anal dilatation device has the advantages that the structure is simple; the anal dilatation device can be conveniently positioned at the anus; an installation seat for the installation of gloves orother sealing sleeves is provided, so that the slipping is prevented.

The invention discloses a multifunctional anorectum quantitative dilatation operation anoscope. The multifunctional anorectum quantitative dilatation operation anoscope is formed by nesting an anal tube dilator and multiple anoscopes, wherein multiple layers of anoscopes are combined at the outer side of the anal tube dilator, the lengths of the multiple anoscopes are different and are gradually shortened from inside to outside, and the diameters of the multiple anoscopes are different and are gradually enlarged from inside to outside. According to the multifunctional anorectum quantitative dilatation operation anoscope disclosed by the invention, location and quantification can be realized, hierarchical operation can be conveniently carried out, and graded and hierarchical anal dilatation use can be convenient.

A surgical device for use in rectal resection surgery, includes a rectal stump closure device (1) with a circular anal dilator (2) defining a passage opening 5 (10), an anoscope (3) configured to be insertable through the passage opening (10) of the circular anal dilator (2), the anoscope (3) having a distal end portion (18), a rectal stump closure plug (4) having a first circumferential tie up surface (30) configured 10 such that the rectum (46) can be tied up against it from the outside of the rectum (46), a plug connector (5) removably connecting the rectal stump closure plug (4) to the anoscope (3) distal end portion (18).

The invention belongs to the field of medical equipment, and particularly relates to a convenient-to-clean anti-backflow and anti-leakage enemator. The anti-backflow and anti-leakage enemator comprises an anal dilatation device mounted on the anus and an anal canal device left in the anus; the anal dilatation device comprises a perianal ring, a pull piece and an anal plug piece; the anal canal device and the anal dilatation device work cooperatively, the anal dilatation device can prevent the anus from contracting after dilating the anus, the anal canal device can be conveniently placed, frictional damage to the anus and the inner wall of the anorectum can be prevented, and the hidden danger of injury to a patient is reduced; the anal canal device and the anal dilatation device are designed in a split mode, the detaching is convenient, and the cleaning of the anal canal device and the anal dilatation device are convenient, and the anal canal device and the anal dilatation device are instable connection and sealing; leakage and backflow of clysis liquid can be prevented by matching with a flow limiting clamp installed on a flow guide tube, and a universal tube clamp is matched witha tube clamp A or a tube clamp B to form a channel through rotation of a three-way valve handle on a three-way device. The anorectum exhaust function and the enema function can be rapidly switched, consumed time is shortened, the clamping block enema operation progress is accelerated, and discomfort of a patient is reduced.

The invention discloses an instrument for defecation for nursing in gastroenterological surgery division. The instrument for defecation comprises an anal dilatation head, a defecation gun, a drainagehose and a liquid injection pot, wherein the defecation gun is arranged in the inner center of the anal dilatation head, a liquid inlet is formed in the bottom surface of the tail of the defecation gun, the drainage hose is connected to the defecation gun through the liquid inlet, a drainage pipe is connected to the lower end of one side of the liquid injection pot through a drainage hose joint, and the top end of the drainage pipe is in sleeving connection with the bottom end of the drainage hose. The anal dilatation head is designed to perform slow and pinpoint dilatation on the anus, so that the pain of a patient can be reduced to the maximum extent, and besides, warm and hot irrigating liquid is injected into the liquid injection pot, through cooperation with hand-pressing operation and the design of a flow rate control pipe, the speed of the irrigating liquid injected to the body of the patient can be reglated according to the situation of the patient, and the pain of the patientcan be further alleviated. In addition, the defecation gun can freely rotate in the anal dilatation head, so that the operation space of users can be enlarged, a spiral blade arranged in the defecation gun can stir and break excrement and urine which are soft after being washed with the irrigating liquid, and the defecation effect is better.

The invention discloses a non-invasive anal dilatation device with the real-time visualization effect, and having the functions of dilating the anus and dredging the induration. The device comprises ahandle and a water outlet mechanism, an expandable outer ring is arranged on the outer side of the handle; a cavity filler inlet valve is arranged on one side of the expandable outer ring; a water injection mechanism is embedded in the upper end of the interior of the handle; the outer side of one end of the handle is connected with a transparent protective cover; a visual lens is mounted in thetransparent protective cover; a mashing mechanism is arranged in the handle; a video mechanism is arranged on one side of the outer wall of the handle; the water outlet mechanism is embedded in the lower end of the interior of the handle; the front end of the handle protrudes outwards through the transparent protective cover. In this way, when the interior is cleaned and lubricated, the transparent protective cover can block sewage from the front end of the handle, so that the sewage enters the water outlet pipe conveniently, the situation that the sewage is scattered around to affect the sewage discharging speed is avoided, and the situation that the visual lens is covered due to the fact that too much sewage is accumulated can also be avoided.

The invention relates to an anal dilatation applicator, in particular to a pediatric anal dilatation applicator. Therefore, the technical problem of the present invention is to provide a pediatric anal dilatation applicator which is relatively simple to operate and convenient to inspect and spray the affected part. The pediatric anal dilatation applicator comprises a ring frame, a ring sliding rail, a slider, a connecting rod, a ring mounting frame, a anal expansion plate, a half ring loop, a sliding rod, a tension spring, a sliding ball, a torsion spring, a sliding ball and the like, whereinthe ring sliding rail is arranged on the inner side of the ring frame; two sliding blocks are arranged on the annular sliding rail; connecting rods are connected on the sliding blocks, and the right end of the connecting rods is connected with the annular mounting bracket. As the annular grip plate drives the straight rod to move to the right, the anus expand plate can be opened, and then the anusexpands, so that the doctor can conveniently inspect the anus. In order to prevent the anal dilatation plate from blocking the affected part, and the anal dilatation plate can be driven to rotate toa proper position by rotating the connecting rod, and then the anus expanding plate can be sprayed on the affected part by pressing the pressing plate and the spraying head.

The invention relates to the technical field of medical equipment, and discloses an anal dilatation device. The anal dilatation device comprises a body and a handle, wherein the body has a cylindrical structure; an opening is formed in the tail end of the body; a conical structure of a pre-dilatation surface is arranged on the top of the body; a positioning opening for positioning a surgery part is formed in a side wall of the body; and the handle is provided with a structure which can be fixed with a human body, is movably assembled on the body and limits the body. The anal dilatation device has functions of dilating the anal of a patient in advance, supporting the anal, positioning the surgery part, protecting good tissues and preventing the body from being falling in the anal. During PPH (produce of prolapse and hemorrhoids) surgery, all the functions of the anal dilation device can be fulfilled; the number of instruments operated by surgeons is small; surgical operation is simplified; and surgery difficulty is reduced.

The invention relates to the technical field of implantable medical devices and particularly discloses an auxiliary instrument for anorectal operation. The auxiliary instrument comprises an anal dilatation device base and a transfixion device. Fixing structures are arranged on the anal dilatation device base and the transfixion device, and the fixing structure of the anal dilatation device base and the fixing structure of the transfixion device are mutually matched to achieve relative fixing between the anal dilatation device base and the transfixion device. The auxiliary instrument is characterized in that the fixing structure of the anal dilatation device base and the fixing structure of the transfixion device can be relatively separated to adjust the relative positions between the anal dilatation device and the transfixion device. By arranging the mutually matched fixing structures between the transfixion device and an anal dilatation device, the transfixion device can be accurately and fixedly connected with any position of the edge of the anal dilatation device base during operation, and the auxiliary instrument is convenient to operate, easy to manufacture and lower in cost.

The invention provides a rectum assistant anal dilatation device which comprises a base and an anal dilatation assembly, wherein the anal dilatation assembly is arranged on the base. The rectum assistant anal dilatation device provided by the invention is provided with a conical lead part and an inner layer expanding part, the hollow elastic cone of the conical lead part can be firstly gradually put into an anus and an anal tube, then the anus and the anal tube of a patient can be gradually and controllably expanded, and primary anus dilatation of the anus and the anal tube can be achieved; the inner layer expanding part is capable of gradually expanding the hollow elastic cone in the conical lead part, then ani sphincter can be gradually adaptive to an amplitude which can be expanded by the inner layer expanding part, and anus dilatation of the anus and the anal tube can be achieved; the conical lead part and the inner layer expanding part cooperate with each other, a phenomenon of anal fissure can be effectively avoided, the patient can be relieved from pain, an anastomat can be assisted to be put into the anus and the anal tube through the inner layer expanding part, difficulties in putting the anastomat into the anus, which are caused by obstruction of the ani sphincter, can be avoided, and the working efficiency of medical operators can be greatly improved.

The invention provides a rectum eccentric type double-cavity airbag which comprises an upper air bag and a lower airbag, wherein the upper airbag is connected with the lower airbag through an elasticconnecting belt; one side of the upper airbag communicates with one end of an upper catheter; one side of the lower airbag communicates with one end of a lower catheter; the other end of the upper catheter consists of an upper air tube and an upper liquid tube; the other end of the lower catheter consists of a lower air tube and a lower liquid tube; the upper air tube and the lower air tube are connected with an air inflation device; the upper liquid tube and the lower liquid tube are connected with a water charge device; the upper air tube, the upper liquid tube, the lower air tube and the lower liquid tube are all provided with adjusting valves; and both the air inflation device and the water charge device are connected with a controller. Compared with the prior art, the rectum eccentrictype double-cavity airbag is adopted for anal dilatation by controlling the size of the airbag; due to adoption of the catheter and the elastic connecting belt in eccentric arrangement, the view is not affected; in treatment, the upper airbag is inflated / charged with a liquid, then the upper airbag is swelled to plug the side wall of a rectum at the top of an affected part, and the consequence that the view is affected by excrement and the like can be avoided; and in case of splinter hemorrhage of the rectum, suture hemostasis is hard to implement, then the lower airbag is inflated / charged with the liquid, and thus a hemorrhagic spot can be compressed.

The invention relates to an anal dilatation device for departments of pediatrics. The anal dilatation device comprises an anal dilatation arm adopting a U-shaped structure, wherein anal dilatation heads are arranged at two ends of the anal dilatation arm respectively; the longitudinal cross-section of each anal dilatation head is triangular; grooves are respectively formed in the two inner side walls of the anal dilatation arm; an inflatable air bag is arranged in each groove, and is communicated with a pressing air bag via an air delivery pipe; a plurality of anti-skid convex bars are respectively formed on the contact surfaces of the anal dilatations; anti-skid mats are arranged on the outer side surfaces of the anal dilatation arm. The anal dilatation device has the advantages that the inflatable air bags are inflated by pressing the pressing air bag repeatedly, so that the anal dilatation arm is opened slowly to dilate an anus; moreover, the anti-skid convex bars can be used for preventing skidding; when the anus is dilated to a proper width, the pressing air bag is locked to fix the position of the anal dilatation arm; the operation is convenient; labor intensity of medical staff is reduced.

The invention relates to an anorectal health care physiotherapy instrument, belonging to a health care physiotherapy product; the anorectal health care physiotherapy instrument comprises an anal plug (1) and a controller (2), wherein the anal plug (1) comprises a baffle (1-1), a fixed end (1-2) connected with the baffle (1-1), and a vibration end (1-4) connected with the fixed end (1-2) by an eccentric motor (1-3); the eccentric motor (1-3) is fixedly connected with the fixed end (1-2); the vibration end (1-4) is driven by the eccentric motor (1-3) to vibrate by taking the center axle of the anal plug (1) as equilibrium position; and the controller (2) comprises a processor (2-1) which is connected with the eccentric motor (1-3) by a lead. The anorectal health care physiotherapy instrument is safe and reliable in anorectal physiotherapy, and has the functions of anal dilatation, hemostasis, inflammation prevention, detumescence, analgesia, vegetative nerve adjustment and the like, thus being suitable for symptoms such as straining, astriction, difficult defecation, pain and the like which are caused by internal hemorrhoids, proctitis and anal sinusitis.

The invention provides a threaded anal dilatation device. The threaded anal dilatation device comprises a sleeve, wherein first threads are arranged on the outer wall of the sleeve; a plurality of grooves are formed in the inner wall of the sleeve in the peripheral direction; a tube core can be inserted in the sleeve; one end, which penetrates out of the sleeve, of the tube core becomes a nose cone; second threads are arranged on the outer wall of the nose cone; and a plurality of projections are arranged on the outer wall of the tube core in the peripheral direction and can be respectively inlaid in the grooves in a matched manner. The first threads are arranged on the outer wall of the sleeve of the threaded anal dilatation device, the second threads are arranged on the outer wall of the nose cone, a mode of directly inserting an anal dilation device into an anus in the prior art is changed into a mode of rotatably inserting the anal dilation into the anus; owing to the threads which have hooking effect, the sleeve cannot slip out of the anus of a patient easily, steps of stitching and taking out stitches are omitted, surgical procedures are simplified, and pain of the patient is relieved. In addition, a doctor only needs to hold the tube core of the threaded anal dilation device to rotate with a single hand, then reliable projection and groove gripping structure drives the sleeve to rotate synchronously, and the threaded anal dilatation device is simple to operate.

The invention relates to a combined-type anal dilatation gatherer which comprises a cylindrical tube body and a permanent seat body, wherein the wall of the cylindrical tube body is provided with at least one window; the cylindrical tube body is in threaded connection with the permanent seat body; one end of the cylindrical tube body is provided with a hemispherical round head, and the other end of the cylindrical tube body is provided with an external thread connected with the permanent seat body; the top of the hemispherical round head is provided with a through hole; the permanent seat body comprises a diverging tube body and a fixed conical disc arranged at one end of the diverging tube body; One end, back on to the fixed conical disc, of the diverging tube body is provided with an internal thread matched with the external thread of the cylindrical tube body; and the fixed conical disk is provided with an open pore used for fixation. The combined-type anal dilatation gatherer can achieve multiple functions through combination or separation, and meets different surgery requirements; when the anal dilatation gatherer is combined, a doctor can conveniently perform a minimally invasive surgery; and after the anal dilatation gatherer is separated, the permanent seat body can be used for realizing a girdling surgery.

The utility model relates to an anus stenosis dilator, which effectively solves the problems that the existing anus dilation operation is troublesome, the anus is easy to damage and the effect is not ideal. The anus stenosis dilator comprises a shell, a sleeve is coaxially fixed to the left side in the shell, a guide disc is rotationally connected to the right end of the sleeve, a supporting shaft is coaxially fixed in the shell, the supporting shaft is sleeved with an adjusting disc, two parallel inclined grooves are formed in the adjusting disc, a guide groove is formed in the guide disc, two vertically opposite sliding plates are slidably connected into the guide groove, and the left ends of the sliding plates are detachably connected with an anal dilatation rod; the inner wall of the shell is coaxially and rotationally connected with an annular cylinder, radial grooves are formed in the upper sides and the lower sides of the opposite ends of the guide disc and the adjusting disc correspondingly, connecting blocks are slidably connected into the radial grooves, the sleeve and the supporting shaft are sleeved with shaft sleeves capable of moving left and right correspondingly, connecting rods are hinged to the upper and lower ends of the shaft sleeves, and the free ends of the connecting rods are hinged to the connecting blocks on the corresponding sides; and the anus stenosis dilator can conduct arc massage on the anus and the anal canal, and sphincter is pulled and loosened while dilation is conducted.

The invention discloses an anal dilatation drug delivery device for a proctology department. The device comprises a frame body, an anal dilatation unit and a drug delivery device, wherein a bidirectional lead screw arranged in a front-back manner is rotatably connected to the frame body; a gear is arranged in the middle of the bidirectional lead screw in a sleeving mode; two sections of threads which are arranged at the front side and the rear side of the gear and are opposite in rotating direction are arranged on the bidirectional lead screw; the anal dilatation unit comprises two supports and two anal dilatation rods, and two supports are symmetrically arranged at the front side and the rear side of the gear and are connected with the bidirectional lead screw through the front and rear sections of threads; the two supports are connected with the frame body in a front-back sliding mode, the two supports correspond to two anal dilatation rods in a one-to-one mode, and the anal dilatation rods are transversely arranged at the left sides of the supports and are connected with the corresponding supports; the two anal dilatation rods are in front-back symmetry, and a gap is formed between the two anal dilatation rods; a transverse rack meshed with the upper edge of the gear is arranged above the gear, the rack is transversely connected with the frame body in a sliding mode, and thedrug delivery device is connected with the upper end face of the rack and is arranged between the two anal dilatation rods. The design is ingenious, the drug delivery time is shortened, and the painof a patient is relieved.

The invention discloses a traditional Chinese medicine enema device and a use method thereof, a first guide surface is arranged below an anus dilatation assembly, and a first drain outlet is formed in the tail end of the first guide surface; a second guide surface is arranged on the peripheral side of the anal dilatation assembly, and a second drain outlet is formed in the tail end of the second guide surface. According to the device, the falling path of pollutants can be greatly changed and prolonged, the speed of the pollutants impacting the bottom is reduced, and pollution caused by the fact that the final impacting speed of the pollutants is too high and the pollutants splash out of the outside is avoided.

The present invention discloses a surgical device (1) for transanally accessing the rectum of a patient comprises a circular anal dilator (2) having a cylindrical ring wall (6) adapted to be transanally inserted into the rectum in order to provide a transanal access opening therethrough and a connecting portion (8) arranged at a proximal end of the ring wall (6) and adapted to hold the ring wall (6) inside the rectum, an anoscope (3) comprising a first retaining wall (13) defining at least partially a working channel (14) and a window aperture (15) providing an access area (16) to the surrounding tissue from inside the working channel (14), said anoscope (3) being received by the ring wall (6) of the anal dilator (2) and having a length such that it protrudes distally from the ring wall (6), a shield member (4) comprising a second retaining wall (26) which can be arranged in a manner to partially overlap the window aperture (15) of the anoscope (3) in order to vary the tissue access area (16) thereof.

The invention discloses an anal dilatation structure of an anorectal stapler. The anal dilatation structure comprises a first anal dilatation shell, a second anal dilatation shell, a first supporting assembly, a storage battery and a controller; adhesion plates are fixed to the two sides of the first anal dilatation shell, and adhesion pieces adhere to the adhesion plates; a first hydraulic cylinder is fixed to the first anal dilatation shell, and the second anal dilatation shell is fixed to the first hydraulic cylinder through a piston rod; a first camera and an illuminating lamp are embedded in the second anal dilatation shell, and the first camera is located on one side of the illuminating lamp; a conical head is fixed to the upper side of the first supporting assembly; the storage battery is embedded in the first anal dilatation shell; and the second supporting assembly is connected with a limiting assembly in a clamped manner. The anal dilatation structure of the anorectal stapler of the invention has the advantages that a lubricating effect can be achieved, the length of the anal dilatation structure of the anorectal stapler can be adjusted, the auxiliary anti-skid fixing effect can be achieved, the supporting effect on the interior can be achieved, and the internal environment can be conveniently observed.

The invention relates to inspection equipment, in particular to child anus anal-dilatation inspection equipment. A technical problem to be solved by the invention is to provide the child anus anal-dilatation inspection equipment realizing healthy and convenient inspection. In order to solve the above technical problem, the invention provides the child anus anal-dilatation inspection equipment comprising a mounting plate, first supporting frames, second supporting frames, a groveling seat, a water tank, a fixing block, hinges, a cover plate, a first handle, a sliding rail, a sliding block, an air cylinder, a first moving rod and the like. The first supporting frames are arranged on the left side of the top of the mounting plate in a front-rear symmetrical mode, and the second supporting frames are arranged on the left side of the top of the mounting plate in a front-rear symmetrical mode. The second supporting frames are located on the right portions of the first supporting frames. Thegroveling seat is arranged on the tops of the first supporting frames and the second supporting frames. The water tank is arranged on the front portion of the left side of the top of the mounting plate. According to the child anus anal-dilatation inspection equipment, the effect of healthy and convenient inspection is achieved; and people can rotate a rotating rod manually in the forward direction, so that stainless steel pipes on the front portion and the rear portion move away from each other.

The invention relates to an anal dilatation disinfectant flushing integrated device, which comprises a base, a first water injection pipe and a cleaning box, a supporting frame is fixedly connected to the top end of the base, a water tank is fixedly connected to the side wall of the right end of the supporting frame, a first water pump is arranged at the top end of the water tank, and a second water pump is arranged at the bottom end of the water tank; and a third water pump is arranged at the right end of the water tank. By arranging the magnetic liquid, a permanent magnet and the rubbing protrusions, when an elastic water bag is placed in a cleaning tank, the cleaning box rotates and drives the permanent magnet to rotate, and the permanent magnet intermittently attracts multiple parts of the magnetic liquid distributed on the elastic water bag in the circumferential direction; the elastic water bag is sucked into the cleaning box, so that the sucked elastic water bag slightly deforms and is extruded and attached to the inner wall of the cleaning box, the elastic water bag generates torsion when rubbing protrusions rub the elastic water bag, and the cleaning and disinfecting efficiency of the elastic water bag is further improved.

The invention discloses an adjustable pediatric general surgery department anal dilator which comprises a bottom plate, a transverse moving assembly slidably arranged at the rear end of the bottom plate, a driving assembly rotatably connected in the bottom plate and capable of controlling operation of the transverse moving assembly, mounting plates fixedly arranged at the four corners of the top of the bottom plate, and linkage assemblies rotatably connected in the mounting plates and capable of being controlled by the driving assembly to operate. According to the device, the degree of anal dilatation of a child patient can be adjusted to be within the range required by medical staff, so that the medical staff can conveniently and clearly check the focus condition of the child patient, the working difficulty of the medical staff is reduced, and the checking effect of the child patient is ensured. According to the device, linkage type mechanical movement steps can be achieved only by using a rotating rod, so that a first arc-shaped plate and a second arc-shaped plate are in a synchronous operation state, and the convenience of using the device by medical staff is improved.

The invention provides a tubular anastomat with a pull wire, and relates to a surgical instrument. The tubular anastomat is provided with a movable handle, an anastomat body, a nail drill, a nail bin, a nail drill rod and the pull wire. The front end of the anastomat body is connected with the nail drill. The rear end of the anastomat body is connected with the movable handle. The nail bin is provided with a nail box, a nail seat and an anastomosis nail. The top of the nail drill is movably connected with the nail drill rod. The nail seat is connected with the nail box in a movable and matched mode. The number of the pull wire is at least one. The pull wire is arranged at the front end of the anastomosis nail. Anastomotic stoma tissue can be pulled downward and inward through the pull wire under the condition that anal dilatation is sufficient, the pull wire is nailed to an anastomotic stoma at the same time after simulative anastomosis, the anastomotic stoma can be strengthened and sutured with the help of the pull wire through the anus, the pull wire serves as a supporting wire which supports and pulls the anastomotic stoma tissue through the anus, the purpose of completely eliminating anastomotic leakages is achieved, the international medical problems that an existing tubular anastomat has low rectum anastomotic leakages and an anastomotic stoma leaks easily in a low rectal cancer operation particularly are solved, a patient is free from pain of two operations, and medical expenses are lowered.

The invention discloses a novel size-adjustable anal dilatation device for the gastrointestinal surgery. The novel size-adjustable anal dilatation device comprises an anal dilatation device main body, a limiting ring and an observation cylinder. The anal dilatation device main body is arranged, an inflation air bag is arranged inside the anal dilatation device main body, an air inlet pipe is fixedly connected to the outer side of the anal dilatation device main body, an inflation mechanism is fixedly connected to one end of the air inlet pipe, and the other end of the air inlet pipe is arranged inside the anal dilatation device main body and fixedly connected to the outer side of the inflation air bag; and by the arrangement above, after the anal dilatation device main body is arranged in the anus, the inflation air bag in a dilatation body can be inflated by pressurizing the inflation mechanism, the inflation air bag drives an expansion ring to dilate the anus, a blocking ring can take a limiting effect on the inflation air bag so as to avoid deformation of the observation cylinder, and the inflatable air bag can be expanded according to the specific sizes of the anuses of different patients so as to achieve the size adjustable function. The device is simple in structure, convenient to use and high in applicability.

An anal dilatation device for the department of pediatrics comprises a handle, a center rod, a sliding sleeve assembly and an arc-shaped dilatation plate. The center rod is fixedly arranged at the front end of the handle. The sliding sleeve assembly is arranged on the center rod in a sliding mode. A plurality of arc-shaped expansion plates are rotatably arranged around the center rod, front connecting rods and rear connecting rods are rotatably arranged on the arc-shaped expansion plates, the inner ends of the front connecting rods are rotatably arranged on the center rod, and the inner ends of the rear connecting rods are rotatably arranged at the front end of the sliding sleeve assembly. A guide seat is fixedly arranged on the center rod, and the rear end of the arc-shaped expansion plate is arranged in the guide seat in a sliding mode. A trigger is rotatably arranged on the handle, and the upper end of the trigger is rotatably arranged on the sliding sleeve assembly. The anal dilatation device has the advantages that the diameter can be adjusted step by step without pulling out the anus dilatation device, anus dilatation is achieved step by step, manpower and material resources are saved, and working efficiency is improved.

The invention discloses an auxiliary instrument for a hemorrhoid cutting surgical operation. The auxiliary instrument comprises an anal dilatation cylinder main body; an elastic sleeve is fixedly connected to the outer side of the anal dilatation cylinder main body; one end of the anal dilatation cylinder main body is fixedly connected with an annular elastic bag; and the end, away from the anal dilatation cylinder main body, of the annular elastic bag is fixedly connected with an dilatation cylinder; a guide rod movably penetrates through the dilatation cylinder; a plurality of lubricating liquid passages are formed on the side wall of the anal dilatation cylinder main body in the axial direction; the dilatation cylinder is fixedly connected with an insertion rod movably inserted into an extending groove; and the end, extending into the extending groove, of the insertion rod is fixedly connected with a first power-on block. According to the invention, during use, through the arrangement of the elastic sleeve, a lubricating liquid baffle and other structures, lubricating liquid can only flow out of the lubricating liquid passage entering the anus so as to avoid the situation that the lubricating liquid flows out of an anus dilatation cylinder outside a human body and drips on an operating table; and through the arrangement of an electric heating rod, a branch power-on plate and other structures, the lubricating liquid is heated so as to reduce discomfort of a patient and the operation difficulty.

The anus dilatation instrument comprises a mounting box, an anus medicine injection assembly is mounted on the outer wall of the top of the mounting box, a linkage anus dilatation assembly is arranged on the outer wall of the bottom of the mounting box, a video observation assembly is arranged on the outer wall of one side of the mounting box, and the anus medicine injection assembly comprises a syringe mounted at the top of the mounting box in an embedded mode; side handles are symmetrically fixed to the outer walls of the two sides of the top end of the syringe, a guide column is fixed to the center of the inner wall of the bottom of the syringe, a piston sleeves the outer wall of the guide column, and a pull pipe is connected to the outer wall of the top of the piston and sleeves the guide column; through the arrangement of the linkage anal dilatation assembly, a user presses a pressing block again to drive a movable column to move in a guide hole, the movable column drives a double-face rack to move, dilatation plates on the two sides of the end are driven to be oppositely unfolded under matched transmission of the double-face rack and a half gear, and therefore anal dilatation half cylinders on the two sides are driven to be unfolded, and anal dilatation operation is achieved; and the operation is relatively simple.