CN111658051A - Noninvasive vascular forceps with adjustable included angle between forceps head and forceps body - Google Patents

Abstract

The present invention is a non-invasive vascular forceps capable of adjusting the angle between the forceps head and the forceps body. It comprises two forceps bodies with the same structure and symmetrically arranged. The front ends of the tongs are respectively connected with arc-shaped pliers through the second pin shaft, and the two pliers have the same structure and are symmetrically arranged. The pliers head is located on one side of the support and close to the second pin shaft with a pin hole, and the pin hole is connected with a round rod-shaped push-pull rod through the third pin shaft, the other end of the push-pull rod is provided with a screw rod, and the screw rod passes through the thread After the hole forms a threaded fit with the knob. In this way, the push-pull rod can be adjusted to move back and forth by rotating the knob to drive the pliers head to move in the circumferential direction around the second pin, so as to achieve the effect of changing the angle between the pliers head and the pliers body. The invention has the characteristics of simple and reliable structure and convenient operation.

Description

A kind of non-invasive vascular clamp with adjustable clamp head and clamp body angle

technical field

The invention relates to a non-invasive blood vessel clamp, in particular to a non-invasive blood vessel clamp capable of adjusting the angle between the clamp head and the clamp body.

Background technique

When performing deep thoracic surgery under small incision, it is often necessary to use non-invasive vascular forceps with special angles to stop bleeding. The existing non-invasive vascular forceps only have a few fixed angles, which cannot meet the special requirements of this operation in many cases.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the existing problems, and to provide a non-invasive blood vessel forceps with simple and reliable structure and convenient operation, which can adjust the angle between the forceps head and the forceps body.

In order to solve the above technical problems, the technical solution of the present invention is achieved in the following manner: a non-invasive vascular clamp with adjustable clamp head and clamp body angle, including two clamp bodies with the same structure and symmetrically arranged, two clamp bodies They are connected by a first pin shaft, and the front ends of the two clamp bodies are respectively connected with arc-shaped clamp heads through a second pin shaft, and the two clamp heads have the same structure and are symmetrically arranged;

The front part of the clamp body and the position close to the first pin shaft are provided with two supports, the surface of the supports is provided with a through hole, a cylindrical knob is also arranged between the two supports, and both ends of the knob are respectively provided with a through hole. The hole forms a rotating inner ring that is rotatably matched, and the knob is also provided with a threaded through hole along the axis direction, and the two supports clamp the knob in the middle;

The pliers head is located on one side of the support and close to the second pin shaft with a pin hole, and the pin hole is connected with a round rod-shaped push-pull rod through the third pin shaft, the other end of the push-pull rod is provided with a screw rod, and the screw rod passes through the screw thread After the hole forms a threaded fit with the knob.

In this way, the push-pull rod can be adjusted to move back and forth by rotating the knob to drive the pliers head to move in the circumferential direction around the second pin, so as to achieve the effect of changing the angle between the pliers head and the pliers body.

The technical scheme that the present invention is further limited is:

The aforementioned non-invasive vascular forceps with adjustable angle between the forceps head and the forceps body: the inner side of the forceps handle of the forceps body is provided with adjusting teeth, and the adjusting teeth on the two forceps bodies form an interference locking fit with each other, so that the two forceps can be The head is clamped to achieve the purpose of hemostasis.

The aforementioned non-invasive vascular forceps with adjustable angle between the forceps head and the forceps body: the number of teeth on the adjusting teeth is greater than 5, which can increase the number of adjustment gears of the clamping force of the forceps head, and has wider adaptability.

The aforementioned non-invasive vascular forceps with an adjustable angle between the forceps head and the forceps body: the outer side of the knob is provided with serrations, which can increase the friction between the operator's hand and the knob, which is more convenient for operation.

The aforementioned non-invasive vascular forceps with adjustable angle between the forceps head and the forceps body: the forceps body, the forceps head, the push-pull rod, and the knob are all made of medical grade stainless steel, so as to meet the safety and hygiene standards of medical instruments.

The aforementioned non-invasive vascular forceps with adjustable angle between the forceps head and the forceps body: the pin hole is an elongated hole. During the process of rotating the knob, the third pin shaft slides in the pin hole to prevent the push-pull rod from being subjected to radial force, so as to ensure the knob Able to rotate normally.

The beneficial effect of the invention is that the push-pull rod can be adjusted to move back and forth by rotating the knob, so that the pliers head moves in the circumferential direction around the second pin shaft, so as to achieve the effect of changing the angle between the pliers head and the pliers body. The inner side of the clamp handle of the clamp body is provided with adjustment teeth, and the adjustment teeth on the two clamp bodies form an interference locking fit with each other, so that the two clamp heads can be clamped to achieve the purpose of hemostasis. The number of teeth on the adjustment teeth is greater than 5, which can increase the number of adjustment gears of the clamping force of the pliers, and has wider adaptability. There are serrations on the outside of the knob, which can increase the friction between the operator's hand and the knob, which is more convenient for operation. The pliers body, pliers head, push-pull rod and knob are all made of medical grade stainless steel, so as to meet the safety and hygiene standards of medical instruments. The pin hole is an elongated hole. During the process of rotating the knob, the third pin shaft slides in the pin hole to prevent the push-pull rod from being subjected to radial force, thereby ensuring that the knob can be rotated and adjusted normally.

Description of drawings

Fig. 1 is the structural schematic diagram of the present invention;

Figure 2 is a schematic diagram of the structure of the knob

Figure 3 is a schematic diagram of the structure of the screw and the scale.

Among them: 1. clamp body; 101, support; 102, through hole; 103, adjusting tooth; 2, clamp head; 201, pin hole; 3, push-pull rod; 301, screw rod; 4, knob; 401, sawtooth; 402 , rotating inner ring; 403, threaded through hole; 5, the first pin; 6, the second pin; 7, the third pin, 8-scale.

Detailed ways

The present invention is described in further detail below:

Example 1

The present embodiment provides a non-invasive vascular forceps capable of adjusting the angle between the forceps head and the forceps body, including two forceps bodies 1 with the same structure and symmetrically arranged, the two forceps bodies 1 are connected by a first pin shaft 5, The front ends of the two forceps bodies 1 are respectively connected with arcuate forceps heads 2 through the second pin shafts 6 , and the two forceps heads 2 have the same structure and are symmetrically arranged.

There are two supports 101 at the front of the forceps body 1 and near the first pin shaft 5. The surface of the supports 101 is provided with a through hole 102, and a cylindrical knob 4 is also arranged between the two supports 101. The knob 4 Both ends are provided with rotating inner rings 402 which are respectively rotatably matched with the through holes 102 , and the knob 4 is also provided with a threaded through hole 403 along the axial direction. The two supports 101 clamp the knob 4 in the middle.

The pliers head 2 is located on one side of the support 101 and is close to the second pin shaft 6 with a pin hole 201, and the pin hole 201 is connected with a round rod-shaped push-pull rod 3 through the third pin shaft 7, and the other end of the push-pull rod 3 is provided with a pin hole 201. There is a screw 301. The screw 301 passes through the threaded through hole 403 to form a threaded fit with the knob 4. At the same time, a scale 8 is also provided on the screw 301. Through the corresponding position of the scale 8 and the support 101, the adjustment accuracy can be increased to ensure The positions of the two clamp bodies 1 are in corresponding positions.

In this way, the push-pull rod 3 can be moved back and forth by rotating the knob 4, and the forceps head 2 can be driven to move in the circumferential direction around the second pin 6, so as to achieve the effect of changing the angle between the forceps head 2 and the forceps body 1.

Adjusting teeth 103 are provided on the inner side of the pliers handle of the forceps body 1, and the adjusting teeth 103 on the two forceps bodies 1 form an interference locking fit with each other, so that the two forceps heads 2 can be clamped to achieve the purpose of hemostasis.

The number of teeth on the adjustment teeth 103 is greater than 5, which can increase the number of adjustment gears of the clamping force of the pliers 2, and has wider adaptability.

There are serrations 401 on the outside of the knob 4, which can increase the friction between the operator's hand and the knob 4, which is more convenient for operation.

The forceps body 1, the forceps head 2, the push-pull rod 3 and the knob 4 are all made of medical grade stainless steel, so as to meet the safety and hygiene standards of medical instruments. The pin hole 201 is an elongated hole. During the rotation of the knob 4 , the third pin shaft 7 slides in the pin hole 201 to prevent the push-pull rod 3 from being subjected to radial force, thereby ensuring that the knob 4 can be rotated and adjusted normally.

The operation process of this embodiment is as follows: rotate the knob to adjust the angle between the forceps head and the forceps body until the desired effect is achieved, then operate the device and control the force to clamp the desired hemostasis part, and when it needs to be loosened, gently move The two pliers can be separated until the two adjusting teeth are separated.

In this way, this embodiment has the advantages of simple and reliable structure and convenient operation, and solves the existing problems well.

The above embodiments are only to illustrate the technical idea of the present invention, and cannot limit the protection scope of the present invention. Any modification made on the basis of the technical solution according to the technical idea proposed by the present invention falls within the protection scope of the present invention. Inside.

Claims (6)

1. A non-invasive vascular forceps capable of adjusting the angle between the forceps head and the forceps body, characterized in that: it comprises two forceps bodies (1) with the same structure and symmetrically arranged, and a second forceps body (1) passes between the two forceps bodies (1). A pin shaft (5) is connected, and the front ends of the two plier bodies (1) are respectively connected with an arc-shaped plier head (2) through a second pin shaft (6). The two plier heads (2) have a structure identical and symmetrical settings; Two supports (101) are provided at the front of the clamp body (1) and near the first pin shaft (5), and through holes (102) are opened on the surface of the A cylindrical knob (4) is also arranged between the supports (101), and both ends of the knob (4) are provided with a rotating inner ring (402) which is respectively rotatably matched with the through hole (102). , and the knob (4) is also provided with a threaded through hole (403) along the axial direction, and the two supports (101) clamp the knob (4) in the middle; The pliers head (2) is located on one side of the support (101) and is provided with a pin hole (201) at a position close to the second pin shaft (6), and the pin hole (201) passes through a third pin The shaft (7) is connected with a round rod-shaped push-pull rod (3), the other end of the push-pull rod (3) is provided with a screw rod (301), and the screw rod (301) passes through the threaded through hole (403) and is connected with the screw rod (303). The knob (4) forms a threaded fit. 2. The non-invasive vascular forceps with adjustable angle between the forceps head and the forceps body according to claim 1, characterized in that: the inner side of the forceps handle of the forceps body (1) is provided with adjusting teeth (103), and the two The adjusting teeth (103) on the forceps body (1) form an interference locking fit with each other. 3. The non-invasive vascular forceps capable of adjusting the angle between the forceps head and the forceps body according to claim 2, wherein the number of teeth on the adjusting teeth (103) is greater than 5. 4. The non-invasive vascular forceps capable of adjusting the angle between the forceps head and the forceps body according to claim 1, wherein a saw tooth (401) is provided on the outside of the knob (4). 5. The non-invasive vascular forceps capable of adjusting the angle between the forceps head and the forceps body according to claim 1, characterized in that: the forceps body (1), the forceps head (2), the push-pull rod (3), the knob (4) ) are made of medical grade stainless steel. 6. The non-invasive vascular forceps with adjustable angle between the forceps head and the forceps body according to claim 1, characterized in that: the pin hole (201) is an elongated hole.

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