CN213787601U

CN213787601U - Anastomotic stoma protection device

Info

Publication number: CN213787601U
Application number: CN202022704636.8U
Authority: CN
Inventors: 单腾
Original assignee: Suzhou Tianchen International Medical Technology Co Ltd
Current assignee: Touchstone International Medical Science Co Ltd; Suzhou Tianchen International Medical Technology Co Ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-27
Anticipated expiration: 2030-11-20

Abstract

The utility model provides an identical mouthful protection device, include: a protective sleeve; a first fixing member; the operating assembly comprises a first operating piece and a second operating piece, the first operating piece is connected with the first end of the first fixing piece, and the second operating piece and the first operating piece are relatively fixed in the first direction; when the first fixing piece is in a first state, the second end of the first fixing piece is connected with a second operating piece, the first fixing piece surrounds the outer wall of the tubular tissue, and at least part of the second operating piece extends out of the body; when the first fixing piece is in the second state, the second end of the first fixing piece is separated from the second operating piece, and the first fixing piece is in an unclosed strip shape and can be separated from the outer wall of the tubular tissue. When the device needs to be removed, the second operating piece is operated outside the body, so that the first fixing piece can enter the second state from the first state, and the anastomotic stoma protecting device can be removed by operating outside the body.

Description

Anastomotic stoma protection device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to anastomotic stoma protection device.

Background

After the intestinal tract is cut and sutured, the anastomotic orifice is generally required to be protected in order to avoid applying tension to the anastomotic orifice by excrement or avoiding infection of the anastomotic orifice caused by the excrement polluting the anastomotic orifice.

The existing anastomotic stoma protection mode is generally as follows: the tubular protective sleeve is arranged inside the intestinal tract, the inner surface of the intestinal tract is covered by the protective sleeve, the position corresponding to the anastomotic stoma is covered by the protective sleeve, and excrement is drained out of a human body through the protective sleeve, so that the anastomotic stoma can be effectively protected. In order to better fix the protective cover in the desired position, a fixing band is required to be arranged on the outer part of the protective cover. After the anastomotic growth resumes, the fixation strip and protective sheath may be removed from the body together. However, in the prior art, when the fixing band and the protective sheath are removed, a secondary operation is required, and a doctor needs to enter the human body by using an instrument to remove the fixing band and the protective sheath, so that the operation is complicated, and secondary injury is easily caused to a patient.

SUMMERY OF THE UTILITY MODEL

To the problem among the prior art, the utility model aims to provide an coincide mouthful protection device, directly can remove coincide mouthful protection device in the external operation.

An embodiment of the utility model provides an identical mouthful protection device, include:

the protective sleeve is positioned in the tubular tissue at a position corresponding to the anastomotic stoma;

the first fixing piece comprises a first state and a second state;

the operating assembly comprises a first operating piece and a second operating piece, the first operating piece is connected with the first end of the first fixing piece, and the second operating piece and the first operating piece are relatively fixed in a first direction;

when the first fixing piece is in the first state, the second end of the first fixing piece is connected with the second operating piece, the first fixing piece surrounds the outer wall of the tubular tissue, and at least part of the second operating piece extends out of the body;

when the first fixing piece is in the second state, the second end of the first fixing piece is separated from the second operating piece, and the first fixing piece is in a non-closed strip shape and can be separated from the outer wall of the tubular tissue.

In some embodiments, the first operating member is tubular, the first operating member is sleeved outside the second operating member, and the first direction is an axial direction of the first operating member at the first end thereof.

In some embodiments, the second operating member is rotatable with respect to the first operating member, the second end of the first fixing member is provided with a first threaded portion, the first end of the second operating member is provided with a second threaded portion, and the first threaded portion and the second threaded portion are threadedly engaged with each other when the first fixing member is in the first state.

In some embodiments, the first threaded portion is a threaded rod and the second threaded portion is a threaded hole, or the first threaded portion is a threaded hole and the second threaded portion is a threaded rod.

In some embodiments, the second end of the second operating member extends at least partially from the second end of the first operating member.

In some embodiments, the second end of the second operating member is provided with an operating handle at least partially external to the second end of the first operating member, and the operating handle has an outer diameter greater than an inner diameter of the second end of the first operating member.

In some embodiments, the second end of the first operating member is provided with a stepped portion, and an end surface of the stepped portion is matched with an end surface of the operating handle.

In some embodiments, a first end of the first fixing member is provided with a snap ring, a first end of the first operating member is provided with a snap groove, the first end of the first operating member passes through the snap ring, and the snap ring is snapped at the snap groove.

In some embodiments, the inner diameter of the slot is smaller than the outer diameter of the first end of the second operating member.

In some embodiments, the first end of the first fixing member is provided with a snap ring, and the first operating member is provided with a snap groove matched with the snap ring, or the first end of the first fixing member is provided with a snap groove, and the first operating member is provided with a snap ring matched with the snap groove.

In some embodiments, the protective sleeve further comprises a second fixing member, the second fixing member is disposed on an inner surface of the protective sleeve, and the second fixing member and the first fixing member are magnetically attracted.

In some embodiments, the second operating member includes:

an inflatable balloon fixed relative to the first operating member in the first direction, the balloon including a third state and a fourth state;

an inflation tube, a first end of the inflation tube being in communication with an interior of the balloon, configured to inflate or deflate the balloon;

the second end of the first fixing piece is provided with a balloon matching part, when the first fixing piece is in the first state, the balloon is in the third state, the balloon and the balloon matching part are relatively fixed, the second end of the inflation tube extends out of the body, when the first fixing piece is in the second state, the balloon is in the fourth state, and the balloon can be separated from the balloon matching part.

In some embodiments, the balloon is provided with a matching hole inside, and the balloon matching part is inserted into the matching hole when the first fixing piece is in the first state; or

The balloon matching part is provided with a matching hole, and when the first fixing piece is in the first state, the balloon is inserted into the matching hole.

In some embodiments, when the first fixing member is in the first state, the second end of the first fixing member and the second operating member are connected by a detachable connecting structure, and the connecting structure is located outside the body.

Through adopting the utility model discloses, set up protection device in anastomotic mouthful department when needs, be connected second operation subassembly with the second end of first mounting, first mounting encircles in the outer wall of tubulose tissue and is fixed in the position of needs with the protective sheath, when needing to remove the device, in vitro operation second operating parts, can make first mounting get into the second state from first state, first mounting is unclosed strip promptly and can separate with the outer wall of tubulose tissue, can take out first mounting together through first operating parts, thereby realize can removing anastomotic mouthful protection device in vitro operation, need not to adopt the secondary operation, and is simple in operation, secondary wound to the patient has also been avoided.

Drawings

Other features, objects and advantages of the invention will become more apparent from a reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of an anastomotic stoma protection device according to a first embodiment of the present invention, which is arranged in the intestinal tract;

fig. 2 is a schematic view of the first fixing assembly and the operating assembly of the first embodiment of the present invention in cooperation;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

fig. 5 is a schematic view of the first fixing assembly and the operating assembly of the first embodiment of the present invention in cooperation;

FIG. 6 is a schematic view of a threaded hole of a second operating member according to a first embodiment of the present invention;

fig. 7 is a schematic structural view of the anastomotic stoma protecting device of the first embodiment of the invention arranged in the intestinal tract;

fig. 8 is an exploded view of the anastomotic stoma protector of the first embodiment of the present invention;

fig. 9 is a schematic structural view of an anastomotic stoma protecting device according to a second embodiment of the invention, which is arranged in the intestinal tract;

fig. 10 is a schematic structural view of an anastomotic stoma protector according to a third embodiment of the invention;

fig. 11 is a schematic structural view of an anastomotic stoma protector according to a fourth embodiment of the present invention.

Reference numerals:

1 protective cover 4 second operating parts (embodiments 1, 2)

11 first end of operating element of support 41

2 first fixing part 42 operating handle

21 first fixing block 43 second screw thread part

22 first connecting member 5 second operating member (embodiment 3)

23 first threaded portion 51 balloon

24 snap ring 52 gas-filled tube

25 balloon fitting portion 6 second operation part (embodiment 4)

26 operating element engaging portion 8 second fixing member

3 first operating part 81 second fixing block

31 first end 82 second attachment member of the first operating member

32 step 9 intestinal tract tissue

33 card slot of first operating piece

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.

The utility model provides an identical mouthful protection device, the device includes protective sheath, first mounting and operating means. The protective sleeve is positioned in the tubular tissue and corresponds to the anastomotic stoma, plays a role in protecting the inner surface of the anastomotic stoma, and cannot pollute the anastomotic stoma in the process of guiding the contents of the tubular tissue to pass through. The first fixing piece comprises a first state and a second state, when the first fixing piece is in the first state, the first fixing piece surrounds the outer wall of the tubular tissue to fix the position of the protective sleeve, and when the first fixing piece is in the second state, the first fixing piece is in a non-closed strip shape and can be separated from the outer wall of the tubular tissue.

The switching of the first fixing member between the first state and the second state may be achieved by an operating member. The operating assembly comprises a first operating piece and a second operating piece, the first operating piece is connected with the first end of the first fixing piece, and the second operating piece and the first operating piece are relatively fixed in the first direction. When the second end of the first fixing piece is connected with the second operating piece, the first end and the second end of the first fixing piece are in relatively fixed connection in the first direction through the first operating piece and the second operating piece, at the moment, the first fixing piece is in the first state, and the tissue at the anastomotic opening can be protected through the first fixing piece and the protective sleeve. After the anastomotic stoma is generated and recovered, when the first fixing piece and the protective sleeve need to be removed, the second operating piece is operated in vitro, the second end of the first fixing piece is separated from the second operating piece, the first end and the second end of the first fixing piece are separated from each other to form an unclosed strip, so that the first fixing piece can be separated from the outer wall of the tubular tissue, the first fixing piece can be directly taken out through the first operating piece, a secondary operation is not needed, the operation is simple, and secondary trauma to a patient is avoided.

The structure of the anastomotic stoma protector according to each embodiment of the present invention will be described in detail below with reference to the accompanying drawings, and it should be understood that each embodiment is not intended to limit the scope of the present invention. In the respective embodiments, the intestinal tract tissue is exemplified. It is understood that in other embodiments, the tubular tissue is not limited to intestinal tissue, but may be other tubular tissue in human body, such as tubular tissue at other positions in digestive tract, etc., and all fall within the protection scope of the present invention.

As shown in fig. 1 to 8, it is the schematic structural diagram of the utility model that the anastomotic stoma protection device of the first embodiment is applied to the intestinal tract tissue 9. As shown in fig. 1 to 4, the anastomotic stoma protecting device comprises a protective sleeve 1, a first fixing piece 2 and an operation component. The protective sleeve 1 can be a thin-walled flexible film sleeve, such as a rubber film sleeve and a silica gel film sleeve, and is located in the intestinal tissue 9 at a position corresponding to the anastomotic stoma, and the protective sleeve 1 protects the inner surface of the anastomotic stoma and prevents the contents in the intestinal tissue 9 from polluting the anastomotic stoma during the process of guiding the contents to pass through. The first fixing member 2 includes a first state surrounding the intestinal tissue 9 and a second state separable from the intestinal tissue 9. The operating assembly comprises a first operating part 3 and a second operating part 4, the first operating part 3 is connected with the first end of the first fixing part 2, and the second operating part 4 and the first operating part 3 are relatively fixed in a first direction. When the first fixing part 2 is in the first state, the second end of the first fixing part 2 is connected with the second operating part 4, the first fixing part 2 surrounds the outer wall of the intestinal tract tissue 9, and at least part of the second operating part 4 extends out of the body. When the first fixing part 2 is in the second state, the second end of the first fixing part 2 is separated from the second operating part 4, and the first fixing part 2 is in a non-closed strip shape and can be separated from the outer wall of the intestinal tissue 9.

Therefore, when the protective sheath 1 and the first fixing member 2 need to be fixed to the anastomotic orifice to protect the tissue, the second end of the first fixing member 2 may be connected to the second operating member 4, and the first end and the second end of the first fixing member 2 may be connected to form a loop by the operating member. The first fixing part 2 can fix the protective sleeve 1 at a required position. After the growth of the anastomotic stoma is recovered, when the first fixing part 2 needs to be removed, the second operating part 4 is operated in vitro, the second end of the first fixing part 2 is separated from the second operating part 4, and the first end and the second end of the first fixing part 2 are separated to form an unclosed strip, so that the strip can be separated from the outer wall of the intestinal tract tissue 9.

As shown in fig. 5, in this embodiment, the first operating member 3 is tubular, the first operating member 3 is sleeved outside the second operating member 4, the first direction is an axial direction of the first operating member 3 at a first end 31 thereof, i.e. a direction D in fig. 5, and the first end 31 of the first operating member 3 is connected with the first end of the first fixing member 2. The second operating member 4 is rotatable relative to the first operating member 3, the second end of the first fixed member 2 is provided with a first threaded portion 23, the first end 41 of the second operating member 4 is provided with a second threaded portion 43, and the first threaded portion 23 and the second threaded portion 43 are in threaded engagement with each other when the first fixed member 2 is in the first state. That is, the first fixing member 2 can be brought into the first state by fitting the first screw portion 23 and the second screw portion 43.

As shown in fig. 5 and 6, in this embodiment, the first thread part 23 is a screw rod extending in the first direction D, and the second thread part 43 is a threaded hole also extending in the first direction D. When the first fixing member needs to be brought into the first state, the screw rod is inserted into the end part of the threaded hole, then the second operating member 4 is operated to rotate relative to the first operating member 3, and since the first end of the first operating member 3 is connected with the second end of the first fixing member 2, the second operating member 4 also rotates relative to the first fixing member 2, so that the screw rod is screwed into the threaded hole, and the connection between the second end of the first fixing member 2 and the first end 41 of the second operating member 4 is realized. When the first fixing part 2 needs to be in the second state, the second operation part 4 is rotated reversely, so that the screw rod is screwed out of the thread. The first operating member 3 and the second operating member 4 are preferably made of a material having a certain flexibility, such as silicone, plastic, rubber, polyvinyl chloride (PVC), etc., and thus the shapes of the first operating member 3 and the second operating member 4 shown in the respective drawings are not a fixed shape but are illustrative of the effect of the flexibility thereof. In another alternative embodiment, the first threaded portion 23 may be a threaded hole, and the second threaded portion 43 may be a threaded rod, which operates in the same manner as the embodiment shown in fig. 5. In the above embodiment, in the first thread part 23 and the second thread part 43, a speed change thread may be further provided.

As shown in fig. 4 and 5, in order to facilitate direct external operation of the second operating member 4, the second end of the second operating member 4 extends at least partially from the second end of the first operating member 3. And in the first state, the second end of the second operating member 4 is located outside the body. When the first fixing part 2 needs to be removed, the second end of the second operating part 4 can be directly operated outside the body, and the first fixing part 2 can be rotated along a set direction.

In order to further facilitate the operation of the second operating member 4, the second end of the second operating member 4 is provided with an operating handle 42, the operating handle 42 is partially or completely located outside the second end of the first operating member 3, and the outer diameter of the operating handle 42 is larger than the inner diameter of the second end of the first operating member 3, so that the operating handle 42 is prevented from entering the inside of the first operating member 3, and the relative fixation between the first operating member 3 and the second operating member 4 in the axial direction D is well maintained.

Further, as shown in fig. 4 and 5, the second end of the first operating element 3 is provided with a step portion 32, and an end surface of the step portion 32 is matched with an end surface of the operating handle 42, that is, one end surface of the step portion 32 facing the operating handle 42 is matched with one end portion of the operating handle 42 facing the step portion 32, so that the matching manner between the first operating element 3 and the second operating element 4 is more stable.

Fig. 3 shows the way in which the first end of the first fixing part 2 cooperates with the first end 31 of the first operating member 3 in this embodiment. As shown in fig. 3 and 5, a snap ring 24 is disposed at a first end of the first fixing member 2, a snap groove 33 is disposed at a first end 31 of the first operating member 3, the first end 31 of the first operating member 3 penetrates through the snap ring 24, and the snap ring 24 is snapped at the snap groove 33. Thus, the first end of the first fixing member 2 and the first end of the first operating member 3 can form a stable fit, and the fit of the snap ring 24 and the snap groove 33 does not affect the connection and disconnection between the second end of the first fixing member 2 and the first end 41 of the second operating member 4 as required.

The snap ring 24 can be elastic, for example, made of elastic rubber, plastic, silica gel and other materials, and the snap ring 24 is sleeved on the clamping groove 33, so that the clamping groove 33 is clamped by the elasticity of the snap ring 24 to realize stable connection between the two. When necessary, the clamping groove 33 can also be taken out of the snap ring 24, so that the first fixing member 2 and the first operating member 3 can be separated. For example, before the stoma protector is used, the first fixing element 2 and the first operating element 3 may be stored separately, and during surgery, the snap ring 24 of the first fixing element 2 is fitted over the snap groove 33 to achieve the connection between the first fixing element 2 and the first operating element 3, and then the first fixing element 2 is placed in the body, and the second operating element 4 is operated to bring the first fixing element 2 into the first state.

In this embodiment, as shown in fig. 5, the inner diameter of the locking slot 33 is smaller than the outer diameter of the first end 41 of the second operating member 4, so that it is further ensured that the second operating member 4 does not protrude from the first end 31 of the first operating member 3, and the relative fixation between the second operating member 4 and the first operating member 3 in the axial direction D is ensured.

In another alternative embodiment, a clamping groove may be provided at the first end of the first fixing member 2, a snap ring that is matched with the clamping groove is provided at the first end 31 of the first operating member 3, and the first end of the first fixing member 2 is inserted into the snap ring of the first operating member 3, so as to realize relative connection and fixation between the first fixing member 2 and the first operating member 3.

Fig. 7 and 8 show the structure for fixing the protective cover 1 in this embodiment. In this embodiment, the anastomotic stoma protecting device further comprises a second fixing piece 8, the second fixing piece 8 is disposed on the inner surface of the protective sheath 1, and the second fixing piece 8 and the first fixing piece 2 are magnetically attracted. Thus, the second fixing member 8 and the first fixing member 2 can jointly fix the protective sheath 1 at a desired position. The first fixing member 2 includes a first fixing block 21 and a first connecting member 22 for carrying and connecting the first fixing block 21, wherein a first end of the first connecting member 22 corresponds to a first end of the first fixing member 2, and a second end of the first connecting member 22 corresponds to a second end of the first fixing member 2. The second fixing member 8 includes a second fixing block 81 and a second connecting member 82 for carrying and connecting the second fixing block 81. When the first fixing member 2 is in the first state, the first fixing member 21 is distributed along the circumferential direction of the intestinal tissue 9, and the first fixing block 21 and the corresponding second fixing block 81 are magnetically attracted. At least one of the first and second fixing blocks 21 and 81 is magnetic, and when both have magnetism, the magnetism is opposite to each other, and when only one has magnetism, the other is a material that can be attracted by magnetism, such as a magnetic-attracting metal material like iron. The protective sheath 1 is provided with a support portion 11 on an upstream side of the anastomotic stoma (i.e., on a right side in the S direction in fig. 8), and the support portion 11 is stretchable in a radial direction of the protective sheath 1. Support portion 11 is when the radial direction shrink, inside or taking out from intestinal tissue 9 can wholly be put into to protective sheath 1 after protective sheath 1 places to target in place, support portion 11 expands in the radial direction to form the support to protective sheath 1, realize that protective sheath 1 is better sealed with the laminating of intestinal wall, prevent that the content from getting into anastomotic opening department. The supporting portion 11 can be an annular elastic air bag capable of inflating and deflating, the outer wall of the air bag has elasticity, for example, the outer wall can be made of elastic rubber, silica gel, TPU and the like, or made of thin PC materials, the air bag is attached to a tissue wall after being inflated, when contents pass through the air bag, the circumferential length can be increased, and the air bag can be well attached to an intestinal tract. The supporting portion 11 is disposed upstream of the stoma, and the first fixture 2 may be disposed between the supporting portion 11 and the stoma, or one first fixture 2 may be disposed between the supporting portion 11 and the stoma and downstream of the stoma, respectively.

Fig. 9 is a schematic view of the anastomotic stoma protector according to the second embodiment of the present invention applied to intestinal tissue 9. In this embodiment, the first fixing member 2 is a fixing band structure without providing the second fixing member. When the first fixing member 2 is in the first state, the first fixing member 2 forms a closed loop to surround the intestinal tissue 9, and the first fixing member 2 gives a certain pressure to the intestinal tissue 9 and the protective sheath 1 to fix the protective sheath 1 at a desired position. In other alternative embodiments, the first fixing element 2 may also take other forms, as long as it is able to form a loop around the intestinal tissue 9 in the first state.

Fig. 10 is a schematic structural view of an anastomotic stoma protector according to a third embodiment of the present invention. In this embodiment, the second operating member 5 comprises an inflatable balloon 51, the balloon 51 being fixed relative to the first operating member 3 in the first direction, the balloon 51 comprising a third state and a fourth state; a first end of the inflation tube 52 communicates with the interior of the balloon 51, and the balloon 51 can be inflated and deflated. The second end of the first fixing member 2 is provided with a balloon matching portion 25, when the first fixing member 2 is in the first state, the balloon is in the third state, the balloon 51 is relatively fixed with the balloon matching portion 25, the second end of the inflation tube 52 extends out of the body, when the first fixing member 2 is in the second state, the balloon 51 is in the fourth state, and the balloon 51 can be separated from the balloon matching portion 25. In this embodiment, the interior of the balloon is provided with a mating hole. When the first fixing member 2 needs to be brought into the first state, the balloon fitting portion 25 is inserted into the fitting hole, and the balloon 51 is inflated through the inflation tube 52, so that the inner diameter of the fitting hole of the balloon 51 is reduced, and the balloon fitting portion 25 and the balloon 51 are relatively fixed. When the first fixing member 2 needs to be removed, the balloon 51 is deflated through the inflation tube 52, the inner diameter of the fitting hole of the balloon 51 becomes larger, and the balloon fitting portion 25 can be taken out from the fitting hole of the balloon 51.

In another alternative embodiment, the balloon fitting portion 25 may be provided with a fitting hole, and when the first fixing member 2 is in the first state, the balloon is inserted into the fitting hole, and the balloon 51 is inflated through the inflation tube 52, so that the balloon and the fitting hole are tightly fitted. When it is desired to remove the first fixing member 2, the balloon 51 is deflated through the inflation tube 52 so that the balloon can be taken out of the fitting hole.

As shown in fig. 11, is a schematic structural view of an anastomotic stoma protection device according to a fourth embodiment of the present invention. In this embodiment, when the first fixing member 2 is in the first state, the second end of the first fixing member 2 and the second operating member 6 are connected by a detachable connecting structure, and the connecting structure is located outside the body. Specifically, in this embodiment, the second end of the first fixing member 2 is provided with an operation member fitting portion 26. The detachable connection structure may include the second operation element 6 and a slot provided in the operation element fitting portion 26, wherein when the second operation element 6 is inserted into the slot, the second end of the first fixing member 2 is connected to the second operation element 6, and when the second operation element 6 is taken out of the slot, the second end of the first fixing member 2 is separated from the second operation element 6. In other alternative embodiments, the second operating element 6 may also be configured as a hook, a hanging rope, or the like, and the operating element matching portion 26 may also be provided with a hole, a groove, a protrusion, or the like, which are matched with each other, so that the second operating element 6 and the operating element matching portion 26 can be detachably connected, and the connection structure may be operated outside the body.

The utility model provides an among the identical mouthful protection device, first connecting portion 22 of first mounting 2 is elastic connection portion, first screw thread portion 23 is inelasticity portion. The utility model provides an identical mouthful of material of each embodiment of protection device is the material that satisfies biocompatibility.

In conclusion, through adopting the utility model discloses, set up protection device in anastomotic orifice department when needs, be connected second operation subassembly with the second end of first mounting, first mounting encircles in the outer wall of tubulose tissue and is fixed in the position of needs with the protective sheath, when needs remove the device, at external operation second operating parts, can make first mounting get into the second state from first state, first mounting is unclosed strip promptly and can separate with the outer wall of tubulose tissue, can take out first mounting together through first operating parts, thereby realize can removing anastomotic orifice protection device in external operation, need not to adopt the secondary operation, and the operation is simple, the secondary wound to the patient has also been avoided.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. An anastomotic stoma protection device, comprising:

the first fixing piece comprises a first state and a second state;

2. The anastomotic stoma protection device according to claim 1, wherein the first operating member is tubular, the first operating member is sleeved outside the second operating member, and the first direction is an axial direction of the first operating member at the first end thereof.

3. The stoma protection device according to claim 2, wherein the second operating member is rotatable with respect to the first operating member, the second end of the first fixture is provided with a first threaded portion, the first end of the second operating member is provided with a second threaded portion, and the first and second threaded portions are threadedly engaged with each other when the first fixture is in the first state.

4. The stoma protection device according to claim 3, wherein the first threaded portion is a threaded rod and the second threaded portion is a threaded hole, or the first threaded portion is a threaded hole and the second threaded portion is a threaded rod.

5. The stoma protection device according to claim 2, wherein the second end of the second operating member extends at least partially from the second end of the first operating member.

6. The stoma protection device according to claim 5, wherein the second end of the second operating member is provided with an operating handle at least partially located outside the second end of the first operating member, and the operating handle has an outer diameter greater than an inner diameter of the second end of the first operating member.

7. The anastomotic stoma protection device according to claim 6, wherein the second end of the first operating member is provided with a step, and an end surface of the step is fitted with an end surface of the operating handle.

8. The anastomotic stoma protection device according to claim 2, wherein a snap ring is arranged at the first end of the first fixing member, a clamping groove is arranged at the first end of the first operating member, the first end of the first operating member penetrates through the snap ring, and the snap ring is clamped at the clamping groove.

9. The stoma protection device according to claim 8, wherein an inner diameter of the clamping slot is smaller than an outer diameter of the first end of the second operating member.

10. The anastomotic stoma protection device according to claim 1, wherein the first end of the first fixture is provided with a snap ring and the first operating member is provided with a snap groove cooperating with the snap ring, or wherein the first end of the first fixture is provided with a snap groove and the first operating member is provided with a snap ring cooperating with the snap groove.

11. The anastomotic stoma protection device according to claim 1, further comprising a second fixture disposed on an inner surface of the protective sheath, wherein the second fixture is magnetically attracted to the first fixture.

12. The stoma protection device according to claim 1, wherein the second operating member includes:

13. The stoma protection device according to claim 12, wherein a mating hole is provided inside the balloon, and the balloon mating portion is inserted into the mating hole when the first fixture is in the first state; or

14. The anastomotic stoma protection device according to claim 1, wherein the second end of the first fixture and the second operating member are connected by a detachable connection structure when the first fixture is in the first state, the connection structure being located outside the body.