An enterostomy dilator

Abstract

The application provides an enterostomy dilator and relates to the field of medical devices, which comprises a first ring support, an expansion air bag arranged on the upper part of the first ring support, an expansion air bag hose connected with a gas cylinder, an inner water jet pipe arranged on the inner side of the first ring support, an upper connection rotating support arranged in an annular array on the top of the first ring support, a first end of the upper connection rotating support rotationally connected with another first end of the upper connection rotating support, a tail end of the upper connection rotating support rotationally connected with the bottom of a tail ring support, a side support spring fixed to the side surface of the upper connection rotating support, and the first end of the upper connection rotating support on the top of the first ring support and the inner side of the expansion air bag fixed to each other, the upper connection rotating support guiding the expansion air bag to expand more uniformly to the outside, ensuring that the expansion air bag uniformly supports and expands the enterostomy, reducing the non-uniform expansion of the expansion air bag under the extrusion of the enterostomy intestinal tract, and solving the problem that the non-uniform expansion of the air bag of the enterostomy dilator under the extrusion of the enterostomy intestinal tract.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to an enterostomy dilator. BACKGROUND

[0002] An enterostomy is a surgically created opening in the abdominal wall to allow the drainage of intestinal contents. When the enterostomy is used, if the enterostomy contracts, the contraction of the enterostomy is not conducive to the outflow of feces, so it is necessary to use an enterostomy dilator to dilate the enterostomy.

[0003] In the use of the existing enterostomy dilator, the enterostomy dilator supports and dilates the enterostomy through an external air bag, but the air bag of the enterostomy dilator is not uniform due to the extrusion of the enterostomy intestinal tract, which can cause uneven expansion of the air bag, resulting in uneven expansion of the enterostomy around, and the enterostomy is prone to a pulling and stinging sensation. SUMMARY

[0004] Therefore, the present application provides an enterostomy dilator to solve the problem that in the use of the existing enterostomy dilator, the enterostomy dilator supports and dilates the enterostomy through an external air bag, but the air bag of the enterostomy dilator is not uniform due to the extrusion of the enterostomy intestinal tract, which can cause uneven expansion of the air bag, resulting in uneven expansion of the enterostomy around, and the enterostomy is prone to a pulling and stinging sensation.

[0005] The present application provides an enterostomy dilator, which specifically comprises: a first ring frame, an expansion air bag is arranged on the upper part of the first ring frame, a soft tube of the expansion air bag is connected with a charging cylinder, an internal water jet pipe is arranged on the inner side of the first ring frame, a plurality of upper connection rotating frames are arranged in an annular array on the top of the first ring frame, the first end of the upper connection rotating frame is rotationally connected with the first end of another upper connection rotating frame, a limiting block is arranged on the first end of the upper connection rotating frame so that the first end of the upper connection rotating frame can only rotate outward, the tail end of the upper connection rotating frame is rotationally connected with the bottom of the tail ring frame, a side support spring is fixed on the side surface of the upper connection rotating frame, and the side support spring is a V-shaped elastic steel wire structure.

[0006] Further, the top of the first ring frame is rotationally connected with the tail end of the upper connection rotating frame, the side surfaces of the upper connection rotating frame and another upper connection rotating frame above are fixedly connected with the upper end and the tail end of the side support spring, the first end of the upper connection rotating frame on the top of the first ring frame is fixed with the inner side of the expansion air bag, and the side support spring supports the upper connection rotating frame to keep a vertical and straight expansion, and the upper connection rotating frame supports the expansion air bag in a deflated state.

[0007] Further, the expansion air bag is a circular tube structure, the cross section of the expansion air bag is approximately triangular structure, the inner side of the expansion air bag is vertical structure, the outer side of the expansion air bag is outward convex structure, the bottom of the expansion air bag is fixed with the top of the first ring frame, the top of the expansion air bag is fixed with the bottom of the tail ring frame, the expansion air bag is located on the outer side of the upper connecting rotary frame, and the expansion air bag is inflated to perform the expansion operation of the intestinal stoma.

[0008] Further, the bottom of the inflation cylinder is provided with an air outlet and an air inlet through a one-way valve, the air outlet of the inflation cylinder is communicated with the expansion air bag hose after the air outlet is provided with a deflation valve, an inner piston is slidably arranged in the inflation cylinder, a connecting push rod is arranged on the top of the inner piston, a side rotary rod is rotatably connected to the outer side of the tail of the connecting push rod, a tail fixed magnetic column is fixed to the tail end of the side rotary rod, the tail fixed magnetic column is slidably connected with the longitudinal sliding groove, and the lateral clamping grooves are arranged on the side surface of the longitudinal sliding groove.

[0009] Further, the longitudinal sliding groove and the lateral clamping groove are arranged on the outer side of the inflation cylinder, the longitudinal sliding groove and the lateral clamping groove are communicated with each other, the inner side of the lateral clamping groove is provided with a magnetic block opposite to the magnetic pole of the tail fixed magnetic column, the lateral clamping groove and the tail fixed magnetic column are slidably connected, and the tail fixed magnetic column is adsorbed to the inner side through the magnetic block.

[0010] Further, the inner water spraying pipe is provided with an inclined side water spraying port in the middle part, a water spraying port is arranged at the center of the head end of the inner water spraying pipe, the inner water spraying pipe is rotatably connected with the outer rotary ring, a connecting hose is communicated with the tail end of the inner water spraying pipe, the connecting hose is communicated with a manual pump machine or an automatic pump machine for water supply, a lower connecting rotary bar is rotatably connected to the lower part of the inner water spraying pipe, a tail connecting sliding column is rotatably connected to the tail end of the lower connecting rotary bar, the tail connecting sliding column is slidably arranged on the inner side of the lower guide inclined sliding groove, and the lower guide inclined sliding groove is a groove structure arranged in an inclined manner.

[0011] Further, a plurality of inner water spraying pipes are arranged in the inner side of the outer rotary ring in an annular array, the outer rotary ring is rotatably connected with the inner side of the first ring frame, the lower guide inclined sliding grooves are arranged on the inner side of the first ring frame in an array, and the lower guide inclined sliding grooves guide the tail connecting sliding column to move up and down.

[0012] Further, when the outer rotary ring rotates in a circumferential direction, the tail connecting sliding column moves up and down along the lower guide inclined sliding groove, the inner water spraying pipe rotates around the center of the rotary connection with the outer rotary ring, the vertical direction of the inner water spraying pipe and the side water spraying port is adjusted, and the inner water spraying pipe and the side water spraying port can spray water towards the inner side of the first ring frame, the upper connecting rotary frame and the tail ring frame.

[0013] Further, when the transverse clamping groove and the tail fixed magnetic column are adsorbed and connected, the tail fixed magnetic column slides to the inner side of the transverse clamping groove, and the transverse clamping groove and the tail fixed magnetic column are adsorbed and locked through oppositely arranged magnetic poles, without the need for manual operation of the tail fixed magnetic column to push into the transverse clamping groove to adjust the position, and the tail fixed magnetic column is located in the inner side of the transverse clamping groove, and the upper and lower sides of the tail fixed magnetic column are limited by the transverse clamping groove.

[0014] Advantages

[0015] 1、The inflation of the expansion air bag of the intestinal stoma dilator of the embodiment of the present application expands the intestinal stoma, and the upper connecting turntable avoids the expansion air bag expanding to the inner side of the first ring frame, guides the expansion air bag to expand more uniformly to the outside, ensures the uniform support and expansion of the expansion air bag to the intestinal stoma, reduces the uneven expansion of the expansion air bag under the extrusion of the intestinal stoma, and avoids the uneven expansion around the intestinal stoma, thereby avoiding the problem of the stinging pain caused by the pulling of the intestinal stoma.

[0016] 2、The upper connecting turntable of the embodiment of the present application supports the expansion air bag in the deflated state, avoids the displacement of the expansion air bag in the deflated state, and avoids interfering with the operation of entering the intestinal stoma.

[0017] 3、The inflation of the expansion air bag of the embodiment of the present application is operated by the movement of the inner piston in the inflation cylinder, the position of the tail fixed magnetic column and the inner piston is fixed by the magnetic pole adsorption of the transverse clamping groove and the tail fixed magnetic column, and the misinflation operation of the external push rod is also avoided.

[0018] 4、The physiological saline sprayed by the inner water jet pipe and the side water jet port flushes the inner side of the upper connecting turntable, reduces the adhesion of excrement on the inner side of the upper connecting turntable, and adjusts the up-down rotation direction of the inner water jet pipe by the rotation of the outer rotating ring, expands the flushing range of the inner water jet pipe and the side water jet port, and improves the flushing effect. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0020] The drawings in the following description only relate to some embodiments of the present application, and are not limited to the present application.

[0021] In the drawings:

[0022] Figure 1 is a schematic diagram of the expansion air bag structure of the intestinal stoma dilator of the embodiment of the present application.

[0023] Figure 2 is a schematic diagram of the expansion air bag half-section structure of the intestinal stoma dilator of the embodiment of the present application.

[0024] Figure 3is the tail ring frame structure schematic diagram of the enterostomy dilator of the embodiment of the present application Figure 2 is the enlarged structure schematic diagram of B of the enterostomy dilator of the embodiment of the present application

[0025] Figure 4 is the tail ring frame structure schematic diagram of the enterostomy dilator of the embodiment of the present application

[0026] Figure 5 is the inflation cylinder piece sectional structure schematic diagram of the enterostomy dilator of the embodiment of the present application

[0027] Figure 6 is the longitudinal sliding groove structure schematic diagram of the enterostomy dilator of the embodiment of the present application

[0028] Figure 7 is the head ring frame sectional structure schematic diagram of the enterostomy dilator of the embodiment of the present application

[0029] Figure 8 is the tail ring frame structure schematic diagram of the enterostomy dilator of the embodiment of the present application Figure 7 is the enlarged structure schematic diagram of A of the enterostomy dilator of the embodiment of the present application

[0030] Figure 9 is the split structure schematic diagram of the enterostomy dilator of the embodiment of the present application

[0031] List of reference signs

[0032] 1, head ring frame; 101, upper connecting rotating frame; 102, side supporting elastic piece; 103, tail ring frame; 2, dilating air bag; 3, inflation cylinder piece; 301, inner piston; 302, connecting push rod; 303, side rotating rod; 304, tail fixed magnetic column; 305, longitudinal sliding groove; 306, transverse clamping groove; 4, inner water spraying pipe piece; 401, side water spraying opening; 402, outer rotating ring; 403, connecting hose; 404, lower connecting rotating strip; 405, tail connecting sliding column; 406, lower guiding inclined sliding groove. DETAILED DESCRIPTION

[0033] In order to make the purpose, scheme and advantages of the technical scheme of the present application more clear, the technical scheme of the embodiment of the present application will be described clearly and completely in the following with reference to the drawings of the specific embodiment of the present application.

[0034] Embodiment: please refer to Figures 1 to 9 as shown:

[0035] The application provides an intestinal stoma dilator, which comprises a first ring frame 1, the first ring frame 1 is a circular tube structure, a plurality of upper connecting swing frames 101 are arranged in an annular array on the top of the first ring frame 1, the first end of the upper connecting swing frame 101 is rotationally connected with the first end of another upper connecting swing frame 101, a limiting block is arranged on the first end of the upper connecting swing frame 101 so that the first end of the upper connecting swing frame 101 can only rotate outward, the tail end of the upper connecting swing frame 101 is rotationally connected with the bottom of a tail ring frame 103, a side support spring 102 is fixed on the side of the upper connecting swing frame 101, the side support spring 102 is a V-shaped elastic steel wire structure, a dilating air bag 2 is arranged on the upper portion of the first ring frame 1, the dilating air bag 2 is a circular tube structure, the cross section of the dilating air bag 2 is an approximately triangular structure, the inner side of the dilating air bag 2 is a vertical surface structure, the outer side of the dilating air bag 2 is a structure protruding outward, the bottom of the dilating air bag 2 is fixed with the top of the first ring frame 1, the top of the dilating air bag 2 is fixed with the bottom of the tail ring frame 103, the dilating air bag 2 is located on the outer side of the upper connecting swing frame 101, the dilating air bag 2 is inflated to dilate the intestinal stoma, a dilating cylinder 3 is communicated with the hose of the dilating air bag 2, the bottom of the dilating cylinder 3 is provided with an air outlet and an air inlet through a one-way valve, the air outlet of the dilating cylinder 3 is communicated with the hose of the dilating air bag 2 after a deflation valve is arranged on the air outlet;

[0036] The inner piston 301 is slidably arranged inside the inflating cylinder 3, the inflating cylinder 3 is a cylindrical structure, the inner piston 301 is made of rubber, the top of the inner piston 301 is provided with a connecting push rod 302, the outer side of the tail of the connecting push rod 302 is rotatably connected with a side rotating rod 303, the tail end of the side rotating rod 303 is fixedly connected with a tail fixed magnetic column 304, the tail fixed magnetic column 304 is slidably connected with a longitudinal sliding groove 305, the side surface of the longitudinal sliding groove 305 is arrayed with a transverse clamping groove 306, the longitudinal sliding groove 305 and the transverse clamping groove 306 are both arranged on the outer side of the inflating cylinder 3, the longitudinal sliding groove 305 and the transverse clamping groove 306 are in communication with each other, the inner side of the transverse clamping groove 306 is provided with a magnetic block opposite to the magnetic pole of the tail fixed magnetic column 304, the transverse clamping groove 306 is slidably connected with the tail fixed magnetic column 304, the tail fixed magnetic column 304 is adsorbed to the inner side through the magnetic block, and the position locking operation of the tail fixed magnetic column 304 is automatically completed, the inner side of the first ring frame 1 is provided with an inner water spraying pipe 4, the middle of the inner water spraying pipe 4 is provided with an inclined side water spraying port 401, the first end center of the inner water spraying pipe 4 is provided with a water spraying port, the middle of the inner water spraying pipe 4 is rotatably connected with an outer rotating ring 402, the outer rotating ring 402 is a circular ring structure, the tail end of the inner water spraying pipe 4 is communicated with a connecting hose 403, the connecting hose 403 is communicated with a water supply hand pump machine or an automatic pump machine, the lower part of the inner water spraying pipe 4 is rotatably connected with a lower connecting rotating rod 404, the tail end of the lower connecting rotating rod 404 is rotatably connected with a tail connecting sliding column 405, the tail connecting sliding column 405 is slidably arranged on the inner side of a lower guide inclined sliding groove 406, the lower guide inclined sliding groove 406 is a groove structure arranged in an inclined manner, the inner side of the outer rotating ring 402 is annularly arrayed with a plurality of inner water spraying pipes 4, the outer rotating ring 402 is rotatably connected with the inner side of the first ring frame 1, the lower guide inclined sliding groove 406 is arrayed on the inner side of the first ring frame 1, and the lower guide inclined sliding groove 406 guides the up-down movement of the tail connecting sliding column 405.

[0037] The top of the first ring frame 1 is rotatably connected with the tail end of the upper connecting rotating frame 101, the side surfaces of the upper connecting rotating frame 101 and another upper connecting rotating frame 101 above are fixedly connected with the upper end and the tail end of the side supporting elastic member 102 respectively, the first end of the upper connecting rotating frame 101 on the top of the first ring frame 1 is fixed with the inner side of the expanding air bag 2, the side supporting elastic member 102 supports the upper connecting rotating frame 101 to keep the vertical direction development of the upper connecting rotating frame 101 in a straight line shape, the upper connecting rotating frame 101 supports the expanding air bag 2 in the deflated and shriveled state, avoids the four-way displacement of the expanding air bag 2 in the deflated and shriveled state, and interferes with the operation of entering the intestinal stoma.

[0038] When the outer rotating ring 402 rotates circumferentially, the tail connecting sliding column 405 moves up and down along the lower guide inclined sliding groove 406, the inner water spraying pipe 4 rotates around the rotating connection center of the outer rotating ring 402, the vertical direction of the inner water spraying pipe 4 and the side water spraying port 401 is adjusted, the inner water spraying pipe 4 and the side water spraying port 401 can spray water towards the inner side of the first ring frame 1, the upper connecting rotating frame 101 and the tail ring frame 103, the flushing range of the inner water spraying pipe 4 and the side water spraying port 401 is expanded, and the flushing effect is improved.

[0039] Wherein, when the transverse clamping groove 306 and the tail fixed magnetic column 304 are adsorbed and connected by the magnetic pole, the tail fixed magnetic column 304 slides to the inside of the transverse clamping groove 306, and the transverse clamping groove 306 and the tail fixed magnetic column 304 are adsorbed and locked by the opposite magnetic poles, without the need for manual operation to push the tail fixed magnetic column 304 into the transverse clamping groove 306 to adjust the position, the tail fixed magnetic column 304 is inside the transverse clamping groove 306, the upper and lower sides of the tail fixed magnetic column 304 are limited by the transverse clamping groove 306, the transverse clamping groove 306 fixes the position of the tail fixed magnetic column 304 and the inner piston 301, avoiding the expansion air bag 2 driving the inner piston 301 to move in the opposite direction, and avoiding the external push connecting rod 302 from being misused for inflation operation.

[0040] In another example, the upper connecting turntable 101 can be arranged inside the expansion air bag 2, and the upper connecting turntable 101 and the upper rotatingly connected upper connecting turntable 101 are respectively rotatingly connected with the bottom and top of the expansion air bag 2. The upper connecting turntable 101 has a better guiding and limiting effect on the shape and inflation expansion direction of the expansion air bag 2 after being arranged inside the expansion air bag 2. The upper connecting turntable 101 supports the expansion air bag 2, avoiding the situation that the expansion air bag 2 shrinks and has a large displacement range when the gas inside is less. When the expansion air bag 2 is inflated, the upper connecting turntable 101 can also guide the expansion air bag 2 to uniformly expand around, ensuring that the expansion air bag 2 uniformly supports and expands the intestinal stoma. After the upper connecting turntable 101 is arranged inside the expansion air bag 2, the situation that the upper connecting turntable 101 is easily adhered to the excrement when the upper connecting turntable 101 is arranged inside the primary ring 1 is avoided, making the inside of the primary ring 1 smoother, ensuring the cleanliness of the inside of the primary ring 1, prolonging the use time, and prolonging the cleaning and replacement period.

[0041] Specific use and role of the embodiment: in the application, when in use, the expansion air bag 2 is in a deflated state, the first ring frame 1 is inserted into the intestinal stoma, the expansion air bag 2 is simultaneously inserted into the inside of the intestinal stoma, the tail ring frame 103 is on the outside of the intestinal stoma, the inner piston 301 is moved synchronously by the hand-pulled connecting push rod 302, the inner piston 301 pushes the air in the inflation cylinder 3 into the expansion air bag 2, the movement of the inner piston 301 in the inflation cylinder 3 inflates the expansion air bag 2, the expansion air bag 2 expands outward after inflation and contacts the inside of the intestinal stoma, the expansion air bag 2 inflates to expand the intestinal stoma, the upper connecting turntable 101 prevents the expansion air bag 2 from expanding inward to the inside of the first ring frame 1, and the upper connecting turntable 101 guides the expansion air bag 2 to expand more uniformly outward, thereby ensuring that the expansion air bag 2 uniformly supports and expands the intestinal stoma, reducing the uneven expansion of the expansion air bag 2 under the extrusion of the intestinal stoma, avoiding uneven expansion around the intestinal stoma, and preventing the intestinal stoma from being pulled and causing a stinging pain; the side support spring 102 supports the upper connecting turntable 101 to be vertically expanded in a straight line, the upper connecting turntable 101 supports the expansion air bag 2 in the deflated state, prevents the expansion air bag 2 from moving in four directions in the deflated state, interferes with the operation of entering the intestinal stoma, reduces the discomfort during expansion, and the air inlet of the inflation cylinder 3 can also be connected with a liquid tank, the inflation cylinder 3 draws liquid in the liquid tank into the expansion air bag 2 to complete the liquid expansion in the expansion air bag 2, and the expansion air bag 2 filled with liquid is less likely to be compressed and deformed than the expansion air bag 2 filled with air, which is convenient for compatible expansion medium of the expansion air bag 2;

[0042] When the inner piston 301 is moved by the hand-pulled connecting push rod 302, the side turning rod 303 needs to be pushed by hand, the tail fixed magnetic column 304 at the tail end of the side turning rod 303 moves to the longitudinal sliding groove 305, and the tail fixed magnetic column 304 moves synchronously along the longitudinal sliding groove 305 during the movement of the connecting push rod 302, when the connecting push rod 302 does not need to move, the transverse clamping groove 306 and the tail fixed magnetic column 304 are adsorbed by oppositely arranged magnetic poles, without the need for manual operation of the tail fixed magnetic column 304 to push into the transverse clamping groove 306, reducing the operation steps and avoiding the situation that the tail fixed magnetic column 304 is forgotten to be pushed into the transverse clamping groove 306 for locking, the tail fixed magnetic column 304 is inside the transverse clamping groove 306, the upper and lower sides of the tail fixed magnetic column 304 are limited by the transverse clamping groove 306, the transverse clamping groove 306 fixes the positions of the tail fixed magnetic column 304 and the inner piston 301, and also avoids the misinflation operation of the external push connecting push rod 302;

[0043] The connecting hose 403 is connected by a hose and a physiological saline electric pump or a manual water injection piston, and physiological saline is delivered to the inner water injection pipe 4 and the side water injection port 401 through the connecting hose 403. The inner water injection pipe 4 and the side water injection port 401 spray physiological saline to flush the inner side of the upper connecting turret 101. The inner water injection pipe 4 can be provided with different positions and numbers of side water injection ports 401 as needed. The inner water injection pipe 4 and the side water injection port 401 spray physiological saline from different directions to flush the inner side of the upper connecting turret 101, reducing the adhesion of excrement on the inner side of the upper connecting turret 101. At the same time, the outer rotating ring 402 is driven to rotate by the hose connected by the manually connected hose 403. The outer rotating ring 402 drives the inner water injection pipe 4 and the lower connecting rotating bar 404 and the tail connecting slide column 405 to rotate synchronously. The tail connecting slide column 405 moves up and down along the lower guide inclined slide groove 406. The tail connecting slide column 405 pulls the inner water injection pipe 4 to rotate up and down through the lower connecting rotating bar 404. The inner water injection pipe 4 adjusts the direction of up and down rotation. The inner water injection pipe 4 and the side water injection port 401 rotate vertically. The inner water injection pipe 4 and the side water injection port 401 can spray water towards the inner side of the first ring frame 1, the upper connecting turret 101 and the tail ring frame 103. The flushing range of the inner water injection pipe 4 and the side water injection port 401 is expanded, and the flushing effect is improved. The side water injection port 401 rotates upward to flush the first ring frame 1 and the upper connecting turret 101 closest to it. The distance is closer, the flushing force is greater, and the flushing effect is better. The lower guide inclined slide groove 406 can be provided with a continuous wave-shaped reciprocating corrugated slide groove structure, and the tail connecting slide column 405 can continuously rotate along the lower guide inclined slide groove 406.

Claims

1. An enterostomy dilator, characterized in that, The utility model relates to a first ring frame (1) upper part is provided with the expansion air bag (2), expansion air bag (2) hose is communicated with the inflator (3), first ring frame (1) inside is provided with the inside water jet pipe spare (4), first ring frame (1) top annular array is provided with the upper connection swing frame (101), upper connection swing frame (101) first end and another upper connection swing frame (101) first end rotation connection, upper connection swing frame (101) tail end and tail ring frame (103) bottom rotation connection, upper connection swing frame (101) side fixed with side support elastic element (102); The utility model relates to a first ring frame (1) top and upper connection swing frame (101) tail end rotation connection, upper connection swing frame (101) and another upper connection swing frame (101) side of upper connection swing frame (101) and tail end fixed connection of upper connection swing frame (101) of first ring frame (1) top are connected, and the first end of upper connection swing frame (101) of first ring frame (1) top is fixed with the inside of expansion air bag (2). The utility model relates to the inside water jet pipe spare (4) middle part is provided with the oblique side water jet (401), and the inside water jet pipe spare (4) middle part and outer swing ring (402) rotation connection, and the inside water jet pipe spare (4) tail end is communicated with the connecting hose (403), and the inside water jet pipe spare (4) lower part is rotatably connected with lower connection swing bar (404), and lower connection swing bar (404) tail end is rotatably connected with tail connection slide column (405), and tail connection slide column (405) is slidably arranged in the inside of lower guide inclined slide groove (406). The utility model relates to the outside swing ring (402) inside annular array has inside water jet pipe spare (4), and the outside swing ring (402) and first ring frame (1) inside rotation connection, and lower guide inclined slide groove (406) array is arranged in the inside of first ring frame (1). When the outside swing ring (402) rotates circumferentially, the tail connection slide column (405) moves up and down along the lower guide inclined slide groove (406), and the inside water jet pipe spare (4) rotates around the rotation connection between the inside water jet pipe spare (4) and the outside swing ring (402). The utility model relates to the cross section of expansion air bag (2) is approximate triangular structure, and the inside of expansion air bag (2) is vertical surface structure, and the outside of expansion air bag (2) is outward convex structure, and the bottom of expansion air bag (2) and first ring frame (1) top are fixed, and the top of expansion air bag (2) and tail ring frame (103) bottom are fixed, and expansion air bag (2) is located in the outside of upper connection swing frame (101).

2. An enterostomy dilator as defined in claim 1, wherein: The utility model relates to the inside of inflator (3) is slidably provided with inner piston (301), and inner piston (301) top is provided with connecting push rod (302), and the tail outside of connecting push rod (302) is rotatably connected with side swing lever (303), and side swing lever (303) tail end is fixed with tail fixed magnetic column (304), and tail fixed magnetic column (304) and longitudinal slide groove (305) sliding connection, and longitudinal slide groove (305) side array is provided with horizontal clamping groove (306).

3. The enterostomy dilator of claim 1, wherein: The utility model relates to longitudinal slide groove (305) and horizontal clamping groove (306) are all arranged in the outside of inflator (3), and longitudinal slide groove (305) and horizontal clamping groove (306) are communicated with each other, and the inside of horizontal clamping groove (306) is provided with the magnetic block of opposite magnetic pole with tail fixed magnetic column (304), and horizontal clamping groove (306) and tail fixed magnetic column (304) sliding connection.

4. An enterostomy dilator as defined in claim 3, wherein: ​ 5. An enterostomy dilator as defined in claim 3, wherein: When the transverse clamping slot (306) and the tail fixed magnetic column (304) are attracted and connected, the tail fixed magnetic column (304) slides to the inner side of the transverse clamping slot (306).

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