CN213310114U

CN213310114U - Three-blade forceps for operation

Info

Publication number: CN213310114U
Application number: CN202021451546.6U
Authority: CN
Inventors: 高飞
Original assignee: Hunan Qiangsen Medical Technology Co ltd
Current assignee: Hunan Qiangsheng Technology Development Co.,Ltd.
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-06-01
Anticipated expiration: 2030-07-22

Abstract

A three-leaf forceps for operation comprises a left forceps leaf, a middle forceps leaf and a right forceps leaf which are coaxially hinged, wherein the three forceps leaves are composed of a forceps jaw, a connecting rod and a handle, the forceps jaw is connected with the handle through the bent connecting rod, all the forceps jaws are bent for multiple times in the same direction and finally form a claw hook shape, and the bending angle range is between 110 degrees and 150 degrees; when the jaws are clamped, the side surfaces of the adjacent jaws which are contacted with each other are provided with insections. The three-blade forceps of the utility model has the jaw-shaped structure formed by bending the jaw for many times, and the corresponding part of the jaw is polished smoothly, so that the three-blade forceps are used for supporting without damaging human tissues; set up the insection on the side of adjacent keeping silent mutual contact for when the centre gripping, can avoid skidding, improved clamping function's stability.

Description

Three-blade forceps for operation

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to three leaf pincers are used in operation.

Background

CN203182978U provides a three leaves of thoracic cavity operation heart hold up and hold up device that can be used to human thoracic cavity operation, the device includes that the handle is the one number, the tong pole is the one number, hold up the hook the one number, the handle is the two numbers, the tong pole is the two numbers, hold up the hook the two numbers, the handle is the three numbers, hold up the hook the three numbers, still include pinion rack and latch, the pinion rack sets up respectively in the both sides of tong pole rear end and be an organic whole with the tong pole is the one number, latch 8 opens the rear end at tong pole two numbers and tong pole three numbers respectively, two latches match mutually with the pinion rack of both sides coincide, this the utility model discloses a three hold up the hook and be hook-shaped and smooth, can not harm the heart like this when holding up the heart, but when needing to use to hold up the hook and press from both sides tight, also can be too smooth because of three holding up the hook mutual contact, and the unstable phenomenon of centre gripping appears. Therefore, it is necessary to improve the product and provide a forceps for operation with good supporting effect and good clamping effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the problem of solve aforementioned problem provides a trefoil forceps for operation, possesses good effect and the centre gripping of holding up simultaneously.

The technical scheme of the utility model is that: a three-leaf forceps for operation comprises a left forceps leaf, a middle forceps leaf and a right forceps leaf which are coaxially hinged, wherein the three forceps leaves are composed of a forceps jaw, a connecting rod and a handle, the forceps jaw is connected with the handle through the bent connecting rod, all the forceps jaws are bent for multiple times in the same direction and finally form a claw hook shape, and the bending angle range is between 110 degrees and 150 degrees; when the jaws are clamped, the side surfaces of the adjacent jaws which are contacted with each other are provided with insections.

Further, the jaw is bent twice, and the bending angle is 120 degrees.

Furthermore, the bending part of the jaw is rounded and polished smoothly, so that the sharp shape of the jaw is prevented from damaging human tissues.

Furthermore, the side surfaces of the adjacent jaws, which are contacted with each other, are provided with grooves and bulges, and the bulges are provided with insections; preferably, the most central part of the side surface of the jaw on the middle forceps leaf is provided with a bulge, two sides of the bulge are provided with grooves, the bulge and the groove on the side surface of the jaw of the left forceps leaf and the jaw of the right forceps leaf are respectively matched with the groove and the bulge on the side surface of the jaw of the middle forceps leaf, and the insection is arranged on the bulge.

Furthermore, the middle clamp leaf is provided with an occlusion rack at a position, close to the handle, on the connecting rod, the occlusion rack is arc-shaped, a serrated clamping groove is formed in the occlusion rack, and the clamping groove is used for fixing the connecting rod of the left clamp leaf and the right clamp leaf.

Furthermore, notches are formed in the connecting rods of the left clamp leaf and the right clamp leaf, and the positions and the depths of the notches are adapted to the occlusion racks.

Furthermore, the length of notch is greater than the width of interlock rack, and when pincers leaf relative motion, the contact position of interlock rack and left and right pincers leaf is guaranteed all the time at the length within range of notch, makes the cooperation of notch and draw-in groove easier, makes the required precision that has reduced the assembly, has reduced the production degree of difficulty promptly, is favorable to improving production efficiency.

Furthermore, the connecting rod is arc-shaped, the bending direction of the connecting rod is opposite to the bending direction of the jaw, so that the gravity center of the whole pliers can be adjusted, and the operation is facilitated.

The utility model has the advantages that: the three-blade forceps of the utility model has the jaw-shaped structure formed by bending the jaw for many times, and the corresponding part of the jaw is polished smoothly, so that the three-blade forceps are used for supporting without damaging human tissues; set up the insection on the side of adjacent keeping silent mutual contact for when the centre gripping, can avoid skidding, improved clamping function's stability.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

fig. 2 is a schematic view of a middle clamp leaf according to embodiment 1 of the present invention;

fig. 3 is a schematic view of a jaw of a middle clamp leaf according to embodiment 1 of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a schematic view of a connecting rod portion of a left clamp leaf in embodiment 1 of the present invention;

in the figure: 1-jaw, 11-bulge, 12-groove, 111-insection, 2-connecting rod, 3-handle, 4-occlusion rack, 41-clamping groove, 5-articulated shaft and 6-notch.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings. The left side of fig. 1 is referred to herein as the left side and the right side is referred to herein as the right side.

Example 1

As shown in fig. 1-5, the present embodiment is a three-blade forceps for surgery, which includes a left blade, a middle blade and a right blade hinged by a hinge shaft 5, wherein the three blades are composed of a jaw 1, a connecting rod 2 and a handle 3, the jaw 1 is connected to the handle 3 by the curved connecting rod 2, all the jaws 1 are bent twice in the same direction and finally form a claw hook shape, the bending angle is 120 degrees, and all the jaws 1 are all chamfered at the bending position and polished smooth, so as to prevent the jaws 1 from generating sharp shape to damage human tissues.

Two grooves 12 and a protrusion 11 are arranged on two side faces of the upper jaw 1 of the middle jaw blade in the embodiment, the protrusion 11 is located at the center of the side face, the two grooves 12 are respectively located at two sides of the protrusion 11, the side faces of the upper jaw 1 of the left jaw blade and the right jaw blade are provided with two protrusions 11 and a groove 12 which are matched with the side faces of the upper jaw 1 of the middle jaw blade, and the insection 111 is arranged on the protrusion 11.

The position department that the well pincers leaf of this embodiment is close to handle 3 on connecting rod 2 is equipped with interlock rack 4, and interlock rack 4 is the arc, and the mid point is located connecting rod 2, and interlock rack 4 and connecting rod 2 integration are provided with the draw-in groove of cockscomb structure on the interlock rack 4, are equipped with notch 6 on the connecting rod 2 of left side pincers leaf and right pincers leaf, and the position and the degree of depth of notch 6 all adapt to with interlock rack 4, and the draw-in groove is used for the connecting rod 2 of fixed left and right pincers leaf with the 6 cooperation of notch.

In this embodiment, the width of the notch 6 on the left forceps blade and the right forceps blade connecting rod 2 is greater than the width of the clamping groove on the occlusion rack 4, the connecting rods 2 are arc-shaped, and the bending direction of the connecting rods 2 is opposite to the bending direction of the forceps jaws 1, so that the gravity center of the whole forceps can be adjusted, and the use is convenient.

It is obvious that the above are only some embodiments of the present invention, and are not used for limiting the present invention, and for those skilled in the art, the present invention can have the combination and modification of the above various technical features, and those skilled in the art can replace the modifications, equivalents, or use the structure or method of the present invention in other fields to achieve the same effect without departing from the spirit and scope of the present invention, and all belong to the protection scope of the present invention.

Claims

1. The utility model provides a three leaf pincers are used in operation, includes coaxial articulated left side pincers leaf, well pincers leaf and right pincers leaf, and three pincers leaf comprises keeping silent, connecting rod and handle, its characterized in that: all the jaws are bent for multiple times and finally form a claw shape, and the bending angle range is between 110 degrees and 150 degrees; the side surfaces of the adjacent jaws which are contacted with each other are provided with insections.

2. The surgical trefoil forceps of claim 1, wherein: the jaw is bent twice, and the bending angle is 120 degrees.

3. The surgical trefoil forceps of claim 2, wherein: and the bent parts of the jaws are rounded and polished smoothly.

4. The surgical trefoil forceps of claim 3, wherein: the side surfaces of the adjacent jaws, which are contacted with each other, are provided with grooves and bulges, and the bulges are provided with insections.

5. The surgical trefoil forceps of claim 4, wherein: the center of the side surface of the jaw on the middle clamp leaf is a bulge, and grooves are arranged on two sides of the bulge.

6. The surgical trefoil forceps of claim 5, wherein: the bulges and the grooves on the side surfaces of the jaws of the left and the right forceps blades are respectively matched with the grooves and the bulges on the side surfaces of the jaws of the middle forceps blades.

7. The surgical trefoil forceps of claim 6, wherein: the middle clamp leaf is provided with an occlusion rack at a position on the connecting rod, which is close to the handle, the occlusion rack is arc-shaped, a serrated clamping groove is arranged on the occlusion rack, and the clamping groove is used for fixing the connecting rod of the left clamp leaf and the right clamp leaf.

8. The surgical trefoil forceps of claim 7, wherein: the left and right clamp leaf connecting rods are provided with notches, and the positions and the depths of the notches are adapted to the occlusion racks.

9. The surgical trefoil forceps of claim 8, wherein: the length of the notch is larger than the width of the meshing rack.

10. The surgical trefoil forceps of claim 8, wherein: the connecting rod is arc-shaped, and the bending direction of the connecting rod is opposite to the bending direction of the jaw.