CN218247314U

CN218247314U - Binding clip subassembly and medical nipper

Info

Publication number: CN218247314U
Application number: CN202221497874.9U
Authority: CN
Inventors: 胡丰; 叶云燕
Original assignee: Ningbo Medical Center Lihuili Hospital
Current assignee: Ningbo Medical Center Lihuili Hospital
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2023-01-10
Anticipated expiration: 2032-06-14

Abstract

The utility model discloses a binding clip subassembly and a medical grasping forceps, wherein the binding clip subassembly comprises a main body rod, and the front end of the binding clip subassembly is provided with a lower forceps mouth; the upper clamp mouth is positioned above the lower clamp mouth, and the rear end of the upper clamp mouth is hinged with the main body rod; the driving rod is arranged on the main body rod and is used for driving the upper tong nozzle to move relative to the lower tong nozzle; the method is characterized in that: the lower end face, facing the lower forceps mouth, of the upper forceps mouth is provided with an upper cutting edge extending along the outer edge of the upper forceps mouth, and the lower forceps mouth is provided with a lower cutting edge matched with the upper cutting edge; a clamping space positioned on the inner side of the upper blade is formed between the upper tong nozzle and the lower tong nozzle; the medical grasping forceps comprise a handle and a forceps head assembly, a main body rod of the forceps head assembly is connected with the handle, and a driving rod is connected with a movable part on the handle. The utility model provides a binding clip subassembly and medical nipper can cut off this tissue under the condition of cliping focus department tissue to the process convenient and fast that makes the tissue take out.

Description

Binding clip subassembly and medical nipper

Technical Field

The utility model relates to the technical field of surgical instruments, in particular to a forceps head component and medical grasping forceps.

Background

The grasping forceps are relatively widely applied intraoperative instruments in surgical operations, and a doctor can grasp partial tissues in a patient body and then take the tissues out along with the grasping forceps in the operation by controlling the opening and closing of the grasping head at the front end through the movable part on the handle. However, the existing grasping forceps are generally used for forcibly tearing off the tissue at the lesion site by pulling force after the grasping head grasps the tissue, or cutting off the tissue by means of another surgical instrument.

The mode of forcibly tearing off the clamp by the grasping forceps is inconvenient to operate and has a large wound;

the way of cutting off the assembly by means of another surgical instrument is not suitable for operations with small partial surgical cavities, the universality is poor and the operation of medical staff is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem in the correlation technique to a certain extent at least: provided is a forceps head assembly which can cut off a tissue at a lesion under the condition of clamping the tissue, thereby facilitating and speeding up the tissue taking-out process.

The utility model discloses aim at solving one of the technical problem in the correlation technique to a certain extent at least: the utility model provides a medical gripping tongs, it has above-mentioned binding clip subassembly on make the gripping tongs not only have the function of centre gripping, also possess the function of cutting off after the centre gripping simultaneously.

To this end, a first object of the present invention is to provide a forceps head assembly for medical grasping forceps, which includes:

the front end of the main body rod is provided with a lower clamp mouth;

the upper clamp mouth is positioned above the lower clamp mouth, and the rear end of the upper clamp mouth is hinged with the main body rod;

the driving rod is arranged on the main body rod and used for driving the upper tong nozzle to move relative to the lower tong nozzle;

the method is characterized in that:

the lower end face, facing the lower pliers mouth, of the upper pliers mouth is provided with an upper cutting edge extending along the outer edge of the upper pliers mouth, and the lower pliers mouth is provided with a lower cutting edge matched with the upper cutting edge; and a clamping space positioned on the inner side of the upper blade is formed between the upper clamp mouth and the lower clamp mouth. The driving rod drives the upper clamp mouth to open and close relative to the lower clamp mouth, so that required tissues can be clamped, the upper clamp mouth and the lower clamp mouth are further close to each other along with further acting force applied by the driving rod, an upper cutting edge on the upper clamp mouth and a lower cutting edge on the lower clamp mouth are matched with each other to perform shearing motion, and finally the tissues to be taken out are taken down from normal tissues and are taken out.

Preferably, the driving rod extends along the length direction of the main body rod, and the front end of the driving rod is hinged with the upper jaw.

Preferably, the upper blade and the upper tong mouth are of an integrated structure, and the lower blade and the lower tong mouth are of an integrated structure. Go up cutting edge and lower cutting edge respectively with last pincers mouth and pincers mouth formula structure as an organic whole down, not only can form the processing of cutting edge integral type in processing pincers mouth, this cutting edge can have better intensity simultaneously to the junction between cutting edge and the pincers mouth can not leave the gap.

Preferably, the inner side surface of the upper blade and the lower end surface of the upper jaw are in transitional connection through a guide inclined surface. Through the design of direction inclined plane, not only make the upper blade have better bending strength, thereby the inclined plane of leading can clip the tissue at upper jaw mouth and lower jaw mouth moreover and apply the level effort inwards to the tissue at the in-process that is close to each other thereby order to order about the tissue to remove towards the centre gripping space, is favorable to the blade position fracture of tissue edge upper blade more at this in-process.

Preferably, the lower end face of the upper jaw is concavely provided with a sample accommodating groove. Through the setting of this sample holding tank, can be so that last pincers mouth and lower pincers mouth clip the tissue and apply the in-process of pressure and can drive about the tissue and move towards sample holding tank under the effect of direction inclined plane, the combination that is located clamping space from this not only receives the shearing force between last cutting edge and the lower cutting edge but also has received the direction inclined plane and has applyed in the component force that the tissue pulled inwards, finally can be favorable to treating the tissue of cutting and break away from the focus more.

Preferably, the notch position of the sample holding tank is provided with an annular bulge, and the outer side surface of the annular bulge, which is far away from the tank bottom, is in transitional connection with the guide inclined plane. Through the design of annular bulge, thereby make sample holding tank leave sufficient space at last pincers mouth and the lower pincers mouth preliminary stage of cliping the tissue thereby can make the tissue further move towards the sample holding tank in the in-process that pincers mouth and lower pincers mouth further clamped each other.

Preferably, the front end of the main body rod is bent to form a lower jaw which is integrated with the main body rod.

The technical scheme has the following advantages or beneficial effects: the shearing force generated between the upper blade and the lower blade can be used for cutting the clamped tissue from the normal tissue more favorably.

Therefore, a second object of the present invention is to provide a medical grasper, which includes a handle, and is characterized in that: still include the binding clip subassembly, main part pole in the binding clip subassembly links to each other with the handle, and the actuating lever links to each other with the movable part on the handle.

The technical scheme has the following advantages or beneficial effects: the grasping forceps have the functions of clamping tissues and shearing the tissues at the same time, so that the process of grasping the tissues by the grasping forceps is more convenient.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural view of a forceps head assembly and a medical grasping forceps of the present invention.

Fig. 2 is a schematic top view of the forceps head assembly and the medical grasping forceps of the present invention.

Fig. 3 isbase:Sub>A schematic sectional view taken along the direction "base:Sub>A-base:Sub>A" in fig. 2.

Fig. 4 is a partially enlarged view of the region "B" in fig. 3.

Wherein, 1, a main body rod; 2. a lower clamp mouth; 3. an upper plier mouth; 4. a drive rod; 5. an upper blade; 6. a lower blade; 7. a clamping space; 8. a guide slope; 9. a sample holding tank; 10. an annular protrusion.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

A forceps head assembly and a medical grasper according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

The utility model provides a binding clip subassembly, as shown in the figure, it includes:

the medical grasping forceps comprise a main body rod 1, wherein the front end of the main body rod 1 is provided with a lower forceps mouth 2, and the rear end of the main body rod 1 extends to form a handheld end which is used for being connected with a handle of the medical grasping forceps;

the upper tong mouth 3 is arranged above the lower tong mouth 2 and matched with the lower tong mouth 2, and the rear end of the upper tong mouth 3 is hinged with the main body rod 1; namely, the rear end of the upper plier mouth 3 can be hinged with the lower plier mouth 2 and can also be hinged with the position of the main body rod 1 adjacent to the lower plier mouth 2;

the driving rod 4 is arranged on the main body rod 1 and is used for driving the upper tong nozzle 3 to move relative to the lower tong nozzle 2;

the method is characterized in that:

the lower end face, facing the lower forceps mouth 2, of the upper forceps mouth 3 is provided with an upper blade 5 extending along the outer edge of the upper forceps mouth 3, the lower forceps mouth 2 is provided with a lower blade 6 matched with the upper blade 5, and the matching between the upper blade 5 and the lower blade 6 means that the upper blade 5 and the lower blade 6 are matched with each other in the process of moving along with the upper forceps mouth 3 to form shearing force capable of being applied to tissues; the position between the upper jaw 3 and the lower jaw 2 inside the upper cutting edge 5 forms a clamping space 7 for receiving tissue and confining the tissue within the clamping space 7.

As one example of the above embodiment: the setting that the actuating lever 4 is pressed close to is on main part pole 1 to extend along the length direction of main part pole 1 and form shaft-like structure, meanwhile the front end of actuating lever 4 is articulated with last pincers mouth 3, and the rear end of actuating lever 4 links to each other with the movable part on medical nipper's the handle, thereby can make the operation doctor through movable part control actuating lever flexible, last pincers mouth 3 of control can be for the activity of lower pincers mouth 4. It should be noted that, as shown in fig. 3, the rotation axis of the upper jaw 3 hinged to the driving rod 4 and the rotation axis hinged to the main body rod 1 are not collinear, i.e. the two rotation axes are parallel to each other.

As one example of the above embodiment: the upper blade 5 and the upper plier mouth 3 are of an integrated structure, and the lower blade 6 and the lower plier mouth 2 are of an integrated structure. The cutting edges and the corresponding forceps mouths are integrally designed, so that the assembly process between the cutting edges and the forceps mouths can be omitted, the connection relationship between the cutting edges and the forceps mouths is firmer, and in addition, an assembly gap cannot be left between the cutting edges and the forceps mouths, so that the disinfection and the cleaning in the operation are facilitated.

As one of the examples of the above embodiment: as shown in fig. 4, the inner side surface of the upper blade 5 and the lower end surface of the upper jaw 3 are transitionally connected by a guide bevel 8. Firstly, the thickness of the joint of the upper blade 5 and the upper jaw 3 is larger than the thickness of the cutting edge of the upper blade 5 due to the existence of the guide slope 8, so that the upper blade 5 has better bending strength, and secondly, due to the existence of the guide slope 8, when the tissue to be sampled is subjected to the extrusion force between the upper jaw 3 and the lower jaw 2 in the process of mutually clamping the upper jaw 3 and the lower jaw 2, a horizontal component force for driving the tissue to move towards the clamping space 7 can be formed at the guide slope 8, so that the tissue can be tightened under the action of the horizontal component force, the shearing force between the upper blade 5 and the lower blade 6 can be more favorably applied to the tissue for shearing, and the pulling force generated by the horizontal component force can be more favorably pulled to break the tissue.

As one of the examples of the above embodiment: the lower end face of the upper jaw 3 is concave to form a sample accommodating groove 9. The sample holding tank 9 add up can make upper jaw 3 and lower jaw 2 draw close each other and exert the in-process tissue of the extrusion force of vertical direction and move towards sample holding tank 9 under the effect of direction inclined plane 8.

As one example of the above embodiment: the notch position of the sample accommodating groove 9 is provided with an annular bulge 10, and the outer side surface of the annular bulge 10 far away from the groove bottom is in transition connection with the guide inclined plane 8. Through the design of annular protrusion 10, can have certain space clearance in this sample holding tank 9 of earlier stage that upper jaw mouth 3 and lower jaw mouth 2 centre gripping tissue to make upper jaw mouth 3 and lower jaw mouth 2 in the in-process of continuously applying the extrusion force this tissue can further remove towards sample holding tank 9, make direction inclined plane 8 can play the guide effect of driving about the tissue and removing from this.

As one of the examples of the above embodiment: the front end of the main body rod 1 is bent to form a lower clamp mouth 2 which is in an integral structure with the main body rod 1.

Based on foretell binding clip subassembly, this embodiment provides a medical nipper, includes the handle, have movable part on the handle, its characterized in that: the binding clip assembly further comprises the binding clip assembly in any one of the above embodiments, wherein the main body rod 1 of the binding clip assembly is connected with the handle, and the driving rod 4 of the binding clip assembly is connected with the movable part on the handle.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Various alterations and modifications will no doubt become apparent to those skilled in the art after having read the above description. It is therefore intended that the appended claims be interpreted as covering all alterations and modifications as fall within the true spirit and scope of the invention. Any and all equivalent ranges and contents within the scope of the claims should be considered to be within the intent and scope of the present invention.

Claims

1. A jaw assembly for a medical grasper, comprising:

a main body rod (1), the front end of which is provided with a lower clamp mouth (2);

the upper clamp mouth (3) is positioned above the lower clamp mouth (2), and the rear end of the upper clamp mouth is hinged with the main body rod (1);

the driving rod (4) is arranged on the main body rod (1) and is used for driving the upper clamp nozzle (3) to move relative to the lower clamp nozzle (2);

the method is characterized in that:

the lower end face, facing the lower forceps mouth (2), of the upper forceps mouth (3) is provided with an upper cutting edge (5) extending along the outer edge of the upper forceps mouth (3), and the lower forceps mouth (2) is provided with a lower cutting edge (6) matched with the upper cutting edge (5); a clamping space (7) positioned on the inner side of the upper blade (5) is formed between the upper clamp mouth (3) and the lower clamp mouth (2).

2. The jaw assembly of a medical grasper of claim 1, wherein: the driving rod (4) extends along the length direction of the main body rod (1), and the front end of the driving rod (4) is hinged with the upper clamp mouth (3).

3. The jaw assembly of a medical grasper of claim 1, wherein: the upper cutting edge (5) and the upper pliers mouth (3) are of an integrated structure, and the lower cutting edge (6) and the lower pliers mouth (2) are of an integrated structure.

4. The jaw assembly of a medical grasper of claim 3, wherein: the inner side surface of the upper cutting edge (5) is in transitional connection with the lower end surface of the upper plier mouth (3) through a guide inclined surface (8).

5. The medical grasper head assembly of claim 4, further comprising: the lower end face of the upper clamp mouth (3) is concave to form a sample accommodating groove (9).

6. The medical grasper head assembly of claim 5, further comprising: the notch position of sample holding tank (9) has annular arch (10), the lateral surface that the tank bottom was kept away from in annular arch (10) with direction inclined plane (8) transitional coupling.

7. The jaw assembly of a medical grasper of claim 1, wherein: the front end of the main body rod (1) is bent to form a lower clamp mouth (2) which is of an integrated structure with the main body rod (1).

8. The utility model provides a medical nipper, includes the handle, its characterized in that: also included is a jawarm assembly as claimed in any one of claims 1 to 7, wherein the body bar (1) is connected to the handle and the drive bar (4) is connected to a movable part of the handle.