Intestinal flexible anastomosis stent implantation auxiliary device

Abstract

An intestinal flexible anastomotic stent implantation auxiliary device includes a base and an operating part, the operating part is used to sleeve the intestinal flexible anastomotic stent; a suture groove is arranged on the outer surface of the cylindrical structure of the operating part; the outer edge of the limiting part is higher than the outer surface height of the cylindrical structure of the operating part; an identification site structure is arranged on the surface of the limiting part, and the identification site structure corresponds to the position of the suture groove on the operating part. By putting the flexible anastomotic stent on the operating part, and then placing it together in the intestinal suture part and fixing the position, the suture operation is performed along the suture groove on the operating part of the auxiliary device, which can provide good support for the inner side of the flexible stent, so that it can be tightly fitted and fixed with the intestine, and can also play the role of accurate and efficient suture operation. The suture groove on the operating part is used as the needle insertion position for suture, and cooperates with the identification site structure in the corresponding setting of the suture groove, so that the doctor can accurately determine the position of the suture groove on the operating part with the flexible anastomotic stent, so as to insert the needle for suture.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to an intestinal flexible anastomotic stent implantation auxiliary device. Background Art

[0002] Digestive tract anastomotic leakage is a serious complication that affects intestinal tissue healing or repair during postoperative treatment of gastrointestinal diseases such as intestinal tumors and intestinal obstruction. High anastomotic tension, low blood supply or postoperative infection are the main reasons for the difficulty in healing the anastomosis and causing anastomotic leakage. In response to these problems, the implantation of biological tissue engineering scaffolds is considered to be a new way to solve intestinal anastomotic leakage. At the same time, this research field is of great significance for strengthening clinical treatment and improving the quality of life of patients.

[0003] At present, self-expanding metal stents (SEMS) or self-expanding plastic stents (SEPS) are effective options for preventing and treating anastomotic leakage after digestive tract reconstruction due to advanced malignant tumors or other malignant lesions, but the problems of stricture formation, perforation, displacement, tissue embedding, and secondary surgical removal caused by these stents still need to be solved. In order to overcome these shortcomings, some rigid biodegradable polymer stents and flexible biodegradable stents have emerged. Among them, the functional characteristics of flexible stents are closest to the intestinal tissue structure and have received extensive attention and research in recent years.

[0004] However, due to the flexibility of the material itself, the flexible stent is still fixed in the body by suturing it to the intestinal wall tissue with sutures. Therefore, when using this type of flexible stent to sew the intestinal tissue in the body, it is difficult for the doctor to accurately fit the two equally flexible and elastic objects, and it is also difficult to accurately locate the position of the suture, which increases the difficulty of the actual operation of the flexible stent. Summary of the invention

[0005] In order to solve the technical defects of the prior art, the present invention provides an intestinal flexible anastomotic stent implantation auxiliary device.

[0006] The technical solution adopted by the present invention is: an intestinal flexible anastomotic stent implantation auxiliary device, including a base, and also including:

[0007] An operating part, which is a cylindrical structure and is used to sleeve the intestinal flexible anastomosis stent, and is arranged at the lower end of the base;

[0008] A suture groove, which is a through groove and is arranged on the outer surface of the cylindrical structure of the operating part, and the suture groove is arranged axially along the surface of the cylindrical structure of the operating part;

[0009] A limiting portion, which is arranged at the upper end of the operating portion, and the outer edge of the limiting portion is higher than the outer surface height of the cylindrical structure of the operating portion;

[0010] The recognition site structure is arranged on the surface of the limiting part, and the recognition site structure corresponds to the position of the suture groove on the operating part.

[0011] Specifically, the base and the operating part are detachably connected.

[0012] Specifically, a plurality of suture grooves are axially arranged on the outer surface of the cylindrical structure of the operating portion, and the suture grooves correspond to the suture positions of the implanted intestinal flexible anastomosis stent.

[0013] Specifically, the identification site structure is a convex block structure, which protrudes from the surface of the limiting portion and corresponds to the position of the suture groove on the operating portion.

[0014] Specifically, the recognition site structure is a point light source component, and the point light source component corresponds to the position of the suture groove on the operating part.

[0015] Specifically, the suture groove extends from the bottom of the surface of the cylindrical operating portion to the upper end surface.

[0016] Specifically, it also includes a fixing ring, and the fixing ring is arranged on the top of the base.

[0017] Specifically, it also includes a cover body, and the cover body is plugged into and matched with the operating part.

[0018] Specifically, the suture groove divides the outer surface of the cylindrical operating portion into a plurality of arc surface structures.

[0019] Specifically, a plurality of supporting ribs are provided inside the operating portion, and the supporting ribs are connected to a plurality of arc surface structures.

[0020] The beneficial effects of the present invention are as follows: the present invention provides an intestinal flexible anastomosis stent implantation auxiliary device, including a base and an operating part, the operating part is a cylindrical structure, used to sleeve the intestinal flexible anastomosis stent, and the operating part is arranged at the lower end of the base; the suture groove is a through groove and is arranged on the outer surface of the cylindrical structure of the operating part, and the suture groove is axially arranged along the surface of the cylindrical structure of the operating part; the outer edge of the limit part is arranged at the upper end of the operating part, and the height of the outer surface of the cylindrical structure of the operating part is higher than that of the outer surface of the cylindrical structure of the operating part; the identification site structure is arranged on the surface of the limit part, and the identification site structure corresponds to the position of the suture groove on the operating part. By putting the flexible anastomosis stent on the operating part of the auxiliary device, and then placing it together into the intestinal suture part and fixing the position, the suture operation is performed along the suture groove on the operating part of the auxiliary device. Based on this, the inner side support of the flexible stent can be well given, so that it can be closely fitted and fixed with the intestine, and can also play the role of accurate and efficient suture operation. Among them, the suture groove on the operating part serves as the needle insertion position for suturing, and cooperates with the identification site structure in the corresponding setting of the suture groove, so that the doctor can accurately determine the position of the suture groove on the operating part with the flexible anastomosis bracket, and then insert the needle for suturing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the present invention.

[0022] Figure 2 It is a schematic diagram of the back structure of the present invention.

[0023] Among them, 1-base, 2-operating part, 3-cover body, 11-limiting part, 12-recognition site structure, 13-fixing ring, 21-suture groove, 22-support rib. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Example 1

[0026] An intestinal flexible anastomotic stent implantation auxiliary device includes a base 1 and an operating part 2, wherein the base 1 and the operating part 2 are detachably connected. Including but not limited to threaded or snap-on connection, the detachably connected structure can replace the operating part 2 of different sizes or structures as needed. The operating part 2 is a cylindrical structure, which is used to sleeve the intestinal flexible anastomotic stent, and the operating part 2 is arranged at the lower end of the base 1; the suture groove 21, which is a through groove and is arranged on the outer surface of the cylindrical structure of the operating part 2, and the suture groove 21 is axially arranged along the surface of the cylindrical structure of the operating part 2; the number of the suture grooves 21 is the number of suture needles of the intestinal flexible anastomotic stent, and the suture grooves 21 correspond to the suture position of the implanted intestinal flexible anastomotic stent. The suture groove 21 extends from the bottom of the surface of the cylindrical structure of the operating part 2 to the upper end surface. The limiting part 11 is arranged at the upper end of the operating part 2, and the outer edge of the limiting part 11 is higher than the outer surface height of the cylindrical structure of the operating part 2; the recognition site structure 12 is arranged on the surface of the limiting part 11, and the recognition site structure 12 corresponds to the position of the suture groove 21 on the operating part 2. The recognition site structure 12 is a convex block structure, which protrudes from the surface of the limiting part 11 and corresponds to the position of the suture groove 21 on the operating part 2. A fixing ring 13 is also included, and the fixing ring 13 is arranged on the top of the base 1. When in use, the flexible anastomotic stent is firstly sheathed on the operating part of the auxiliary device, and the cover body 3 is put on to protect the anastomotic stent from being contaminated by tissue fluid, and then it is placed together with the cover body 3 into the surgical operation site through the incision in the abdomen, the cover body 3 is removed and taken out through the abdominal incision, and the suture parts at both ends of the intestine are sheathed on the auxiliary device (the operating part carrying the anastomotic stent) to perform the suture operation of the anastomotic opening. During the surgical operation, the doctor determines the position of the suture groove on the operating part by touching the identification site of the convex structure on the limiting part 11, and then inserts the needle at the position of the suture groove to suture and fix the two ends of the flexible anastomotic stent to the intestinal tissue. A drawstring is tied to the fixing ring 13 of the auxiliary device. When the anastomotic stent is sutured and fixed to the intestinal wall, the auxiliary device is taken out from the intestine through the anus by the drawstring, and the implantation operation of the intestinal flexible anastomotic stent is completed, and the abdominal incision is also sutured.

[0027] The auxiliary device further comprises a cover body 3, which is plugged into and matched with the operating part 2 when the auxiliary device is not in use, and also protects the internal structure of the auxiliary device from damage and contamination.

[0028] The operating part 2 is further provided with a plurality of supporting ribs 22, and the supporting ribs 22 are connected to a plurality of arc surface structures. The supporting ribs 22 support the operating part to enhance the supporting effect of the auxiliary device on the intestinal flexible anastomosis stent in the intestine.

[0029] Example 2

[0030] An intestinal flexible anastomotic stent implantation auxiliary device includes a base 1 and an operating part 2, wherein the base 1 and the operating part 2 are detachably connected. Including but not limited to threaded or snap-on connection, the detachably connected structure can replace the operating part 2 of different sizes or structures as needed. The operating part 2 is a cylindrical structure, which is used to sleeve the intestinal flexible anastomotic stent, and the operating part 2 is arranged at the lower end of the base 1; the suture groove 21, which is a through groove and is arranged on the outer surface of the cylindrical structure of the operating part 2, and the suture groove 21 is axially arranged along the surface of the cylindrical structure of the operating part 2; the number of the suture grooves 21 is the number of suture needles of the intestinal flexible anastomotic stent, and the suture grooves 21 correspond to the suture position of the implanted intestinal flexible anastomotic stent. The suture groove 21 extends from the bottom of the surface of the cylindrical structure of the operating part 2 to the upper end surface. The limiting part 11 is arranged at the upper end of the operating part 2, and the outer edge of the limiting part 11 is higher than the outer surface height of the cylindrical structure of the operating part 2; the recognition site structure 12 is arranged on the surface of the limiting part 11, and the recognition site structure 12 corresponds to the position of the suture groove 21 on the operating part 2. The recognition site structure 12 is a point light source component, and the point light source component corresponds to the position of the suture groove 21 on the operating part 2. It also includes a fixing ring 13, and the fixing ring 13 is arranged on the top of the base 1. When in use, the flexible anastomotic stent is firstly sheathed on the operating part of the auxiliary device, and the cover body 3 is covered to protect the anastomotic stent from being contaminated by tissue fluid, and then it is placed together in the surgical operation site through the incision of the abdomen, and the cover body 3 is removed and taken out through the abdominal incision, and the suture parts at both ends of the intestine are sheathed on the auxiliary device (the operating part carrying the anastomotic stent) to perform the suture operation of the anastomotic stent. During the surgical operation, the doctor observes the light transmitted by the point light source assembly on the limiting part 11 as the identification site, determines the position of the suture groove on the operating part, and can insert the needle at the position of the suture groove to suture and fix the two ends of the flexible anastomotic stent with the intestinal tissue. A drawstring is tied to the fixing ring 13 of the auxiliary device. When the anastomotic stent is sutured and fixed to the intestinal wall, the auxiliary device is taken out from the intestine through the anus through the drawstring, that is, the implantation operation of the intestinal flexible anastomotic stent is completed, and the abdominal incision is also sutured. The power supply of the point light source assembly can be built into the base 1.

[0031] The auxiliary device further comprises a cover body 3, which is plugged into and matched with the operating part 2 when the auxiliary device is not in use, and also protects the internal structure of the auxiliary device from damage and contamination.

[0032] The operating part 2 is further provided with a plurality of supporting ribs 22, and the supporting ribs 22 are connected to a plurality of arc surface structures. The supporting ribs 22 support the operating part to enhance the supporting effect of the auxiliary device on the intestinal flexible anastomosis stent in the intestine.

[0033] Technical personnel should note that although the present invention has been described according to the above specific implementation methods, the inventive concept of the present invention is not limited to this invention, and any modification using the inventive concept will be included in the scope of protection of this patent.

[0034] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. An intestinal flexible anastomotic stent implantation auxiliary device, comprising a base (1), characterized in that: Also includes: An operating portion (2), the operating portion (2) being a cylindrical structure and used for sleeve-engaging an intestinal flexible anastomotic stent, the operating portion (2) being arranged at the lower end of the base (1); A suture groove (21), the suture groove (21) being a through groove and being arranged on the outer surface of the cylindrical structure of the operating portion (2), the suture groove (21) being arranged axially along the surface of the cylindrical structure of the operating portion (2); A limiting portion (11), the limiting portion being arranged at the upper end of the operating portion (2), the outer edge of the limiting portion (11) being higher than the height of the outer surface of the cylindrical structure of the operating portion (2); A recognition site structure (12), wherein the recognition site structure (12) is arranged on the surface of the limiting portion (11), and the recognition site structure (12) corresponds to the position of the suture groove (21) on the operating portion (2).

2. The intestinal flexible anastomosis stent implantation auxiliary device according to claim 1, characterized in that: The base (1) and the operating part (2) are detachably connected.

3. The intestinal flexible anastomosis stent implantation auxiliary device according to claim 1, characterized in that: A plurality of suturing grooves (21) are arranged axially on the outer surface of the cylindrical structure of the operating portion (2), and the suturing grooves (21) correspond to the suturing positions of the implanted intestinal flexible anastomotic stent.

4. The intestinal flexible anastomosis stent implantation auxiliary device according to claim 1, characterized in that: The identification site structure (12) is a convex block structure, which protrudes from the surface of the limiting portion (11) and corresponds to the position of the suture groove (21) on the operating portion (2).

5. The intestinal flexible anastomotic stent implantation auxiliary device according to claim 1, characterized in that: The recognition site structure (12) is a point light source component, and the point light source component corresponds to the position of the suture groove (21) on the operating part (2).

6. The intestinal flexible anastomosis stent implantation auxiliary device according to claim 1, characterized in that: The suture groove (21) extends from the bottom of the surface of the cylindrical operating portion (2) to the upper end surface.

7. The intestinal flexible anastomosis stent implantation auxiliary device according to claim 1, characterized in that: It also comprises a fixing ring (13), wherein the fixing ring (13) is arranged on the top of the base (1).

8. The intestinal flexible anastomosis stent implantation auxiliary device according to claim 1, characterized in that: It also comprises a cover body (3), wherein the cover body (3) is plug-fitted with the operating part (2).

9. The intestinal flexible anastomotic stent implantation auxiliary device according to claim 1, characterized in that: The suture groove (21) divides the outer surface of the cylindrical operating portion (2) into a plurality of arc surface structures.

10. The intestinal flexible anastomosis stent implantation auxiliary device according to claim 9, characterized in that: A plurality of supporting ribs (22) are also provided inside the operating portion (2), and the supporting ribs (22) are interconnected with the plurality of arc surface structures.

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