CN219538231U - Bending part of disposable endoscope - Google Patents

Abstract

The utility model discloses a bending part of a disposable endoscope, which relates to the technical field of bending parts of disposable endoscopes and comprises a bending part body and a connecting assembly, wherein the bending part body comprises a connector and a plurality of extension heads, one side of the connector is fixedly provided with connecting plates, the connecting assembly comprises a rotating head fixedly arranged in the middle of one side of the extension heads, the rotating head is bent and arranged near the outer wall of one end of the connector, the connecting plates are provided with two connecting plates which are symmetrically arranged along the middle of the connector, the side wall of each connecting plate is rotatably provided with a connecting shaft, the side wall of each rotating head is provided with a splicing hole for splicing the connecting shaft, the side wall of each connecting head is provided with a rotating groove for rotating the extension heads, and the radius of each rotating groove is not smaller than the rotating radius of each extension head. The bending range of the extension head can be larger through the cooperation between the devices, and the extension head is more convenient in production and assembly, and the damaged position can be independently replaced, so that the use process of the bending part is more convenient.

Description

Bending part of disposable endoscope

Technical Field

The utility model relates to the technical field of bending parts of disposable endoscopes, in particular to a bending part of a disposable endoscope.

Background

With the development of medicine, in recent years, endoscopic surgery has been increasingly used clinically. The snake bone for the endoscope is one of important parts of the endoscope, and is positioned at the front end of the endoscope to form a bending part, so that the direction of the lens in a human body can be changed conveniently. The existing bending part is made of metal materials, and is formed by sequentially riveting or welding a plurality of stay wire positioning rings made of metal materials, the outer wall of each stay wire positioning ring is provided with a concave part, and stay wires sequentially penetrate through the concave parts.

Because the stay wire positioning ring is made of metal, sharp hard folds are easy to generate, so that the stay wire cannot be pulled smoothly, once one stay wire positioning ring is damaged, the stay wire cannot be pulled, and the whole bending part and the whole endoscope are required to be replaced.

Disclosure of Invention

The utility model mainly aims to provide a bending part of a disposable endoscope, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a bending part of disposable endoscope, includes bending part body and coupling assembling, and the bending part body includes connector and a plurality of extension head, and one side of connector is fixed with the connecting plate.

The connecting assembly comprises a rotating head fixedly mounted in the middle of one side of the extending head, one end outer wall of the rotating head, which is close to the connecting head, is bent, two connecting plates are arranged, the two connecting plates are symmetrically arranged along the middle of the connecting head, a connecting shaft is rotatably mounted on the side wall of the connecting plate, and a plugging hole for plugging the connecting shaft is formed in the side wall of the rotating head.

The side wall of the connector is provided with a rotating groove for the extension head to rotate, and the radius of the rotating groove is not smaller than the rotating radius of the extension head.

Further, the outer wall of the connecting plate is of an arc-shaped structure, and the plurality of extending heads are fixed through the insertion connection of the connecting shaft and the rotating heads.

Further, the connecting shaft is detachably arranged on the side wall of the connecting plate, and two ends of the connecting shaft are connected.

Further, the side walls of the connector and the extension head are provided with hole grooves for the stay wires to pass through, the hole grooves are of arc-shaped structures, and the inner diameters of the hole grooves are not smaller than the outer diameters of the stay wires.

Further, the outer wall of the rotating head is attached to the inner wall of the connecting plate, and the inner wall of the connecting plate is a plane.

Further, the connector and the extension head are made of medical plastic.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the connector and the extension head made of plastic materials can replace traditional metal materials, and meanwhile, the rotating grooves are formed in the side walls of the connector and the extension head, so that the bending range of the extension head can be increased, the extension head is better driven to bend when one end of the extension head is pulled, the steps of connecting and assembling the connector and the extension head can be simplified by using the connecting shaft and the plug hole in a matched manner, the assembling process of the connector and the extension head is simpler, and when a certain extension head is damaged, the damaged part can be independently replaced, so that the expenditure during replacement is reduced, and the use process of the bending part is more convenient.

Drawings

FIG. 1 is a schematic view of a connector according to the present utility model;

FIG. 2 is a schematic view of an extension head of the present utility model;

fig. 3 is a schematic view of a connecting shaft according to the present utility model.

In the figure: 1. a connector; 2. an extension head; 3. a connecting plate; 4. a connecting shaft; 5. a rotating head; 6. and a plug hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, the present utility model is a bending portion of a disposable endoscope, including a bending portion body and a connection assembly, the bending portion body includes a connector 1 and a plurality of extension heads 2, a connection board 3 is fixed on one side of the connector 1, the connection board 3 has the function of connecting the extension heads 2, the extension heads 2 can be connected and fixed by rotating a connection shaft 4 on a side wall of the connection board 3, the bending portion body can be formed by interconnecting the plurality of extension heads 2, and a pull wire passes through the middle portions of the extension heads 2 and the connector 1, and the extension heads 2 can be driven to perform a bending process by pulling the pull wire.

The coupling assembling is including fixed mounting at the rotating head 5 in the middle part of extending head 2 one side, and the one end outer wall bending that rotating head 5 is close to connector 1 sets up, and connecting plate 3 is provided with two, and two connecting plates 3 set up along the middle part symmetry of connector 1, and connecting axle 4 is installed in the lateral wall rotation of connecting plate 3, and spliced eye 6 that supplies connecting axle 4 to peg graft has been seted up to the lateral wall of rotating head 5, and the grafting process of connecting axle 4 can be made things convenient for to spliced eye 6.

When the bending part body is assembled, through the laminating of rotating head 5 outer wall and connecting plate 3 inner wall to make the position of spliced eye 6 align the back with the position of connecting axle 4, through rotating connecting axle 4 and make after connecting axle 4 is fixed with connecting plate 3 inner wall, utilize the laminating of connecting axle 4 outer wall and spliced eye 6 inner wall can realize that the connector 1 is fixed with extending between the head 2, and then accomplish the assembly process of bending part body.

Compared with the existing mode of partial bending part assembly, the mode of splicing and fixing is adopted, so that the bending part assembly process is simpler and more convenient, meanwhile, when one extension head 2 is damaged, the extension head can be independently replaced, the whole replacement is not needed, the expenditure during the whole replacement is reduced, and meanwhile, the use process of the bending part body is convenient.

The connector 1 and the extension head 2 are made of medical plastic, so that the steps required during production and processing can be reduced, the processing technology of the extension head 2 and the connector 1 is simpler, and the operation is more convenient.

The lateral wall of connector 1 has been seted up and has been supplied to extend first 2 pivoted rotation groove, and the radius of rotation groove is not less than the rotation radius that extends first 2, and the seting up of rotation groove can increase the radius of buckling of extending first 2 for extend the bending range of first 2 wider, make the bending property of bending part body in the use better, more do benefit to simultaneously and pulled and buckle by the stay wire.

When the radius of the rotating groove is larger than that of the extension head 2, the extension head 2 can be ensured to rotate when being pulled by the stay wire, and the rotation of the extension head 2 is smoother.

The outer wall of connecting plate 3 is arc structure, and a plurality of extension heads 2 are fixed through the grafting of connecting axle 4 with rotating head 5, and the setting of arc structure can make the whole integrality of connecting plate 3 after the installation stronger, avoids appearing protruding and influence the bending part body and arouse unnecessary hindrance in subsequent use simultaneously.

The connecting axle 4 detachable installs the lateral wall at connecting plate 3, the both ends of connecting axle 4, adopt the detachable mode of being connected between connecting axle 4 and the connecting plate 3 lateral wall can conveniently extend the separation process of head 2 and connector 1, when extending head 2 damage, can make connecting axle 4 and connecting plate 3 lateral wall separation through reverse rotation connecting axle 4 to can make extend head 2 and connector 1 separation, and then the process that the head 2 that extends of convenient damage carried out single change.

The hole groove that supplies to pull wire to pass is all offered to connector 1 and the lateral wall that extends head 2, and the hole groove is arc structure, and the internal diameter of hole groove is not less than the external diameter of acting as go-between, and the seting up of hole groove can conveniently pull the line and pass the process, can drive the bending part through the pulling of acting as go-between and buckle the process, and the hole groove of arc structure can make things convenient for the process of passing of pencil for labour saving and time saving more when the pencil passes.

The outer wall of rotating head 5 is laminated with the inner wall of connecting plate 3, and the inner wall of connecting plate 3 is the plane, and when the outer wall of rotating head 5 and the inner wall of connecting plate 3 are laminated, can make connector 1 with extend the planarization of head 2 after being connected, avoid rotating the distance between head 5 outer wall and the connecting plate 3 inner wall and influence connector 1 and extend the planarization of head 2 after being connected, and then make things convenient for the use of bending part body more.

The connector 1 and the extension head 2 are made of medical plastic, and the medical plastic can replace the traditional metal material, so that the process flow in production is reduced.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A bending portion of a disposable endoscope, characterized in that: the connecting device comprises a bending part body and a connecting assembly, wherein the bending part body comprises a connector (1) and a plurality of extending heads (2), and a connecting plate (3) is fixed on one side of the connector (1);

the connecting assembly comprises a rotating head (5) fixedly mounted at the middle part of one side of the extending head (2), the outer wall of one end, close to the connecting head (1), of the rotating head (5) is bent, two connecting plates (3) are arranged, the two connecting plates (3) are symmetrically arranged along the middle part of the connecting head (1), a connecting shaft (4) is rotatably mounted on the side wall of the connecting plate (3), and a plug hole (6) for plugging the connecting shaft (4) is formed in the side wall of the rotating head (5);

the side wall of the connector (1) is provided with a rotating groove for the extension head (2) to rotate, and the radius of the rotating groove is not smaller than the rotating radius of the extension head (2).

2. A bending portion of a disposable endoscope according to claim 1 and wherein: the outer wall of the connecting plate (3) is of an arc-shaped structure, and a plurality of extension heads (2) are fixed through the insertion connection of the connecting shaft (4) and the rotating head (5).

3. A bending portion of a disposable endoscope according to claim 1 and wherein: the connecting shaft (4) is detachably arranged on the side wall of the connecting plate (3), and two ends of the connecting shaft (4) are connected.

4. A bending portion of a disposable endoscope according to claim 3 and wherein: the side walls of the connector (1) and the extension head (2) are provided with hole grooves for the stay wires to pass through, the hole grooves are of arc structures, and the inner diameter of the hole grooves is not smaller than the outer diameter of the stay wires.

5. A bending portion of a disposable endoscope according to claim 1 and wherein: the outer wall of the rotating head (5) is attached to the inner wall of the connecting plate (3), and the inner wall of the connecting plate (3) is a plane.

6. A bending portion of a disposable endoscope according to claim 1 and wherein: the connector (1) and the extension head (2) are made of medical plastic.