CN211934161U

CN211934161U - Anal sphincter retractor

Info

Publication number: CN211934161U
Application number: CN202020334539.1U
Authority: CN
Inventors: 徐进; 汪庆明; 邹琪琦; 杨达成; 朱静怡; 黄进; 张玲; 褚怡霏
Original assignee: Shuguang Hospital Affiliated to Shanghai University of TCM
Current assignee: Shuguang Hospital Affiliated to Shanghai University of TCM
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-11-17
Anticipated expiration: 2030-03-17

Abstract

The utility model relates to an anal sphincter retractor, including handle, connecting rod, basement, the handle include first handle and second handle, and first handle and second handle are through a pivot structure pivot ground articulated, set up at the rigidity that is close to pivot structure and inwards stretch out and have the surface to be the hasp of tooth, the one end of first handle is provided with the head rod, the one end of second handle is provided with the second connecting rod, just the head rod with the crooked one end of second connecting rod respectively with first handle with second handle fixed connection, the head rod with another terminal surface of second connecting rod all swing joint basement, its advantage shows: the utility model has simple operation and strong practicability, can reduce the labor requirement in the operation and lighten the burden of medical staff; better exposes the operation visual field, is convenient for the operation of medical staff, avoids the damage of the anal sphincter to a greater extent and is favorable for protecting the anus.

Description

Anal sphincter retractor

Technical Field

The utility model belongs to the technical field of medical instrument technique and specifically relates to an anal sphincter retractor.

Background

Anal fistula is a common intractable disease in surgery. The treatment of anal fistulas is mainly performed surgically, the primary goal of surgical treatment of anal fistulas is permanent healing and protection of anal function. The operation modes such as the sphincteric fistula ligation and the improved operation mode thereof, the trans-anal sphincterotomy, the anatomical section suture hanging operation and the like have little influence on the anus function and higher cure rate, so the operation mode is concerned by surgeons and is widely applied to clinical practice. These procedures are performed by surgically closing the internal orifice by separating the internal and external sphincters and ligating the inter-sphincteric fistula.

When treating high-order complexity anal fistula, the operation mode of taking between the sphincters as the approach needs to separate the higher sphincter, and the operation field of vision exposes poorly, and the operation is difficult, and technical requirement is high, and traditional tissue pincers cause the damage of anal canal mucous membrane and sphincter easily in the operation process simultaneously, increase wound healing time and postoperative complication's risk. Therefore, a sphincter ani retractor specially aiming at the operation mode needs to be developed for clinical use.

The Chinese patent application: CN209172273U discloses a disposable anus retractor, comprising a frame body, the support body comprises a plurality of support body unit, each support body unit is the arc form, each support body unit head and the tail meet in proper order and constitute annularly, adjacent support body unit is located the hookup location and is provided with connecting portion respectively, the connecting portion that is located same hookup location overlaps each other, wear to be equipped with between the connecting portion that overlaps each other and lead out the piece, connecting portion are provided with the perforation that supplies to lead out the piece to pass, lead out the piece including being located the fenestrate body of rod, the body of rod is provided with the coupler body that hooks in anal sphincter towards the inboard tip of support body, the coupler body hook is the platykurtic in. Although the device owner can change support body specification, can not leave the wound after the operation, its operation is complicated in actual operation, influences doctor's operation process, and the practicality is not strong, and it is mainly acted on the anal canal to the device in addition, and not be used for perianal tissue in the art, so be unfavorable for using widely.

In view of the above, there is a need for a novel anal sphincter retractor that is easy to operate, has strong practicability, does not damage the anal sphincter and the normal tissues around the anus, can better expose the surgical field, and is suitable for anal fistula treatments of various types and different complexities. However, there is no report on the novel anal sphincter retractor.

Disclosure of Invention

The utility model aims at providing an anal sphincter retractor.

In order to achieve the purpose, the utility model adopts the technical proposal that:

an anal sphincter retractor comprises a handle, a connecting rod and a base seat, wherein the handle comprises a first handle and a second handle, the first handle and the second handle are pivotally hinged through a pivoting structure, the handle is of an annular structure, a lock catch with teeth on the surface is fixedly arranged at a position close to the pivoting structure and extends inwards, a first connecting rod is arranged at one end of the first handle, a second connecting rod is arranged at one end of the second handle, the first connecting rod and the second connecting rod are both of sickle-shaped structures, the bent ends of the first connecting rod and the second connecting rod are fixedly connected with the first handle and the second handle respectively, and the first connecting rod and the second connecting rod are arranged with the first handle and the second handle respectively in an integrated structure, the other end surfaces of the first connecting rod and the second connecting rod are movably connected with a base seat, the base seat is in an arc structure, and the arc radius of the base seat is set to be 1.0-2.5 cm.

In the above anal sphincter retractor, as a preferable scheme, the first handle and the first connecting rod are respectively symmetrical to the second handle and the second connecting rod.

In the above anal sphincter retractor, as a preferable scheme, one end of each of the first connecting rod and the second connecting rod connected to the base seat is fixedly provided with a protruding bolt, and the base seat is provided with a bolt hole matched with the bolt hole.

In the above anal sphincter retractor, as a preferred scheme, the base seat is arranged on the first connecting rod and the second connecting rod in the same direction.

In the above anal sphincter retractor, as a preferable scheme, the base seat is further provided with a fixing plate vertically fixed on the base seat, and the direction of the fixing plate is horizontal downward.

In the above anal sphincter retractor, as a preferable scheme, the outer side of the fixing plate is provided with an anti-slip bulge, the inner side of the fixing plate is a smooth plane, and the fixing plate is in a symmetrical structure on the base seat.

In the anal sphincter retractor, as a preferable scheme, the number of the fixing plates on the basal seat is 3-5, and the length of the fixing plate is 2.0-5.0 cm.

The utility model has the advantages that:

1. the device is mainly used for the treatment of the anal fistula operation site in the anorectal department, can better expose the operation visual field during the operation, is convenient for the operation of medical staff, can be suitable for the treatment of the anal fistula with various types and different complexity by the arrangement of various specifications of the base seat and the fixing plate, is more convenient to operate, and can meet the requirements of various operation conditions.

2. The device has stronger practicability, can reduce the manpower requirement in the operation and lighten the burden of medical staff; does not damage anal sphincter and perianal normal tissue, and is beneficial to the protection of the anal function.

Drawings

Fig. 1 is a schematic structural view of the anal sphincter retractor of the present invention.

Figure 2 is a schematic view of the anal sphincter retractor with the base and the connecting rod removed.

Figure 3 is a schematic view of the anal sphincter retractor according to example 2.

Figure 4 is a schematic view of the anal sphincter retractor with its upper base and connecting rod removed as described in example 2.

Detailed Description

The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications can be made by those skilled in the art after reading the disclosure of the present invention, and such equivalents also fall within the scope of the appended claims.

The reference numerals and components referred to in the drawings are as follows:

1. handle 2, connecting rod 3, base

4. First handle 5, second handle 6, pivot structure

7. Lock catch 8, first connecting rod 9, second connecting rod

10. Antiskid lug 11, bolt 12 and bolt hole

13. Fixing plate

EXAMPLE 1 anal sphincter retractor

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of the anal sphincter retractor of the present invention. Figure 2 is a schematic view of the anal sphincter retractor with the base and the connecting rod removed.

An anal sphincter retractor is mainly used for the surgical treatment of anal fistula in anorectal department. The anal sphincter retractor comprises a handle 1, connecting rods 2 and a base 3, the handle comprises a first handle 4 and a second handle 5, the first handle 4 and the second handle 5 are hinged in a pivoting manner through a pivoting structure 6, the handle 1 is of an annular structure, a lock catch 7 with teeth on the surface is fixedly arranged at a position close to the pivoting structure 6 and extends inwards, the lock catch 7 is used for adjusting the distance between the upper part and the lower part of the base on the two connecting rods, a first connecting rod 8 is arranged at one end of the first handle 4, a second connecting rod 9 is arranged at one end of the second handle 5, the first connecting rod 8 and the second connecting rod 9 are both of a sickle-shaped structure, and the bent ends of the first connecting rod 8 and the second connecting rod 9 are fixedly connected with the first handle 4 and the second handle 5 respectively, the first connecting rod 8 and the second connecting rod 9 are respectively arranged with the first handle 4 and the second handle 5 in an integrated structure, the other end surfaces of the first connecting rod 8 and the second connecting rod 9 are movably connected with a base seat 3, the base seat 3 is arranged in an arc structure, and the arc radius of the base seat is 1.0-2.5 cm. In this embodiment, the first handle 4 and the first connecting rod 8 are preferably symmetrical to the second handle 5 and the second connecting rod 9, respectively.

In this embodiment, preferably, the first connecting rod 8 and the second connecting rod 9 are respectively fixedly provided with a protruding bolt 11 at one end connected with the base seat 3, and the base seat 3 is provided with a bolt hole 12 matched with the bolt hole, and the connecting rods and the base seat are detachably connected through the bolt and the bolt hole.

In this embodiment, the base seat 3 is preferably disposed on the first connecting rod 8 and the second connecting rod 9 in the same direction.

The utility model discloses a use method: when in use, an operator can select surgical instruments with different specifications according to different sizes of surgical incisions and depths of the incisions, thereby meeting the requirements of various surgical conditions. The groove structure on the outer side can increase the friction force between the instrument and tissues, prevent slippage in the operation, and meanwhile, the blunt fixation can avoid the damage of anal sphincter and perianal normal tissues, thereby being beneficial to protecting the anus.

It should be noted that: the utility model discloses an external member product can be made as required to anal sphincter retractor, set different radius styles with the basement base, be 1.0's basement base like the circular arc radius, circular arc radius 1.5 cm's basement base, circular arc radius 2.0 cm's basement base, circular arc radius 2.5 cm's basement base, circular arc radius 3.0 cm's basement base, the complete set product is constituteed to the basement base of different diameter specifications, operating personnel can be according to the condition in the art during the use, select the apparatus of different specifications, adjust the expansion degree, satisfy the demand of different various operation conditions. Just the utility model discloses can adopt the metal material structure, conveniently disinfect used repeatedly, reduce the waste of resource.

EXAMPLE 2 anal sphincter retractor

Referring to fig. 3 and 4, fig. 3 is a schematic structural view of the anal sphincter retractor according to embodiment 2. Figure 4 is a schematic view of the anal sphincter retractor with its upper base and connecting rod removed as described in example 2.

The device of this embodiment is substantially the same as the anal sphincter retractor of embodiment 1, except that the base seat is further provided with a fixing plate 13 vertically fixed on the base seat, and the fixing plate 13 is horizontally and downwardly oriented.

In this embodiment, preferably, the fixing plate 13 is provided with the anti-slip protrusions 10 on the outer side, the inner side is a smooth plane, the fixing plate 13 is of a symmetrical structure on the base 3, and the anti-slip protrusions on the outer side of the fixing plate can increase the friction force between the fixing plate and the base, so that the sphincter muscle can be conveniently retracted to be fully exposed out of the visual field, and the operation of medical staff is facilitated.

In this embodiment, it is preferable that the number of the fixing plates 13 on the substrate holder is 3-5, and the length of the fixing plate 13 is 2.0-5.0 cm.

It should be noted that: the fixing plate in this practical example also can make the external member product as required, set the fixing plate into different length styles, for example, the fixing plate that length is 3.0cm, the fixing plate that length is 4.0cm, the fixing plate that length is 5.0cm, the fixing plate of different diameter specifications constitutes complete sets of product, and operating personnel can select the apparatus of different specifications according to the condition in the art during the use, adjusts the expansion degree, satisfies the demand of different various operation conditions.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.

Claims

1. An anal sphincter retractor is characterized by comprising a handle, a connecting rod and a base seat, wherein the handle comprises a first handle and a second handle, the first handle and the second handle are pivotally hinged through a pivoting structure, the handle is of an annular structure, a lock catch with teeth on the surface is fixedly arranged at a position close to the pivoting structure and extends inwards, a first connecting rod is arranged at one end of the first handle, a second connecting rod is arranged at one end of the second handle, the first connecting rod and the second connecting rod are both of a sickle-shaped structure, the bent ends of the first connecting rod and the second connecting rod are fixedly connected with the first handle and the second handle respectively, and the first connecting rod and the second connecting rod are arranged with the first handle and the second handle respectively in an integrated structure, the other end surfaces of the first connecting rod and the second connecting rod are movably connected with a base seat, the base seat is in an arc structure, and the arc radius of the base seat is set to be 1.0-2.5 cm.

2. The anal sphincter retractor of claim 1, wherein said first handle and said first connecting rod are symmetrical to said second handle and said second connecting rod, respectively.

3. The anal sphincter retractor according to claim 1, wherein one end of each of said first and second connecting rods connected to said base is fixedly provided with a protruding bolt, and said base is provided with a bolt hole matching with the protruding bolt.

4. The anal sphincter retractor according to claim 1, wherein said base seat is arranged on said first connecting rod and said second connecting rod in the same direction.

5. The anal sphincter retractor according to any of the claims 1-4, characterized in that said base is further provided with a fixation plate vertically fixed to the base, said fixation plate being oriented horizontally downwards.

6. The anal sphincter retractor of claim 5, wherein the fixing plate is provided with anti-slip protrusions on the outer side and smooth flat surface on the inner side, and the fixing plate is symmetrical on the base seat.

7. The anal sphincter retractor according to claim 6, wherein the number of fixation plates on said base plate is set to 3-5 and the length of the fixation plates is set to 2.0-5.0 cm.