Medical forceps head structure

Abstract

The utility model relates to a medical forcep head structure, which belongs to the technical field of surgical instruments and comprises a pull rod movably connected with a forcep body and used for controlling opening and closing of a forcep head. The tong head comprises a fixed tong head, a movable tong head is arranged on the fixed tong head in a matched mode, and the movable tong head can be opened and closed relative to the fixed tong head. The movable tong head comprises a first function end and a traction end, and an arc-shaped protruding part is arranged on the side face of the traction end. The movable tong head is movably connected to the fixed tong head through the protruding part. The sliding groove structure is arranged in the containing groove of the fixed tong head, materials in the sliding groove only need to be removed in the machining process, repeated and multi-position machining is not needed, and it is guaranteed that the sliding groove in a narrow space can be cut, machined and formed at a time; the process structure is improved, the process steps are simplified, and the processing difficulty and the production cost are effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a medical forceps head structure belongs to surgical instrument technical field. BACKGROUND

[0002] Arthroscopic forceps medical devices are an indispensable part of arthroscopic surgery, which are widely used in orthopedic minimally invasive surgery to perform various operations, such as grabbing, cutting, and traction of instruments such as tissue and suture.

[0003] At present, the Chinese utility model patent with the publication number CN209153875U discloses a basket forceps for arthroscopy without pin shaft structure; the technical scheme of the patent has the following shortcomings: the side surface of the movable forceps head is provided with an arc-shaped groove, and the side surface of the fixed forceps head is provided with an arc-shaped boss; the arc-shaped boss and the arc-shaped groove are arranged in cooperation to realize the action of the movable forceps head on the fixed forceps head.

[0004] In the scheme, the arc-shaped boss is arranged inside the notch of the fixed forceps head. Due to the small space of the notch, the excess material on both sides of the arc-shaped boss needs to be removed in multiple times with different cutting positions during cutting processing, which is complicated. In addition, the tolerance requirement of the arc surface on both sides of the arc-shaped boss is high. Since the above-mentioned process structure leads to the fact that the arc surface on both sides of the arc-shaped boss cannot be formed in one processing, it further leads to the fact that the precision requirement of the tool and the machine tool is additionally increased in the process, the processing difficulty is increased, the tool consumption and the scrap rate are also high, and the production cost is greatly increased. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art, provide a medical forceps head structure, reduce the processing cost and difficulty of the forceps head, and ensure the stable processing quality of the forceps head.

[0006] The utility model discloses a medical forceps head structure, which comprises: a forceps body, and a pull rod movably connected to the forceps body and used for controlling the opening and closing of a forceps head.

[0007] The forceps head comprises a fixed forceps head, and the fixed forceps head is provided with a movable forceps head in cooperation; the movable forceps head can realize opening and closing action relative to the fixed forceps head.

[0008] The movable forceps head comprises: a first functional end and a traction end, and the side surface of the traction end is provided with an arc-shaped protruding part; the movable forceps head is movably connected to the fixed forceps head through the protruding part.

[0009] The fixed forceps head comprises: a second functional end and a supporting end; a containing groove is arranged through the supporting end; and a sliding groove is arranged on the inner wall of the containing groove.

[0010] Further, the traction end is inserted into the containing groove; and the protruding part is slidably connected to the sliding groove.

[0011] Further, the traction end is provided with an arc-shaped traction groove.

[0012] Further, one end of the pull rod is provided with a pull head, the pull head is matched with the traction groove, and the pull head is slidably connected into the traction groove.

[0013] Further, the protruding parts are symmetrically distributed to the side surface of the traction end along the central plane of the movable forceps head.

[0014] Further, when the movable forceps head is opened and closed relative to the fixed forceps head, the first function end can be driven away from or close to the second function end.

[0015] The utility model has the beneficial effects compared with prior art:

[0016] The sliding groove structure is arranged in the accommodating groove of the fixed forceps head, only the material in the sliding groove needs to be removed during machining, multiple and multiple position machining is not needed, the sliding groove in the narrow space can be once cutting and formed, the process structure is improved, the process step is simplified, and the machining difficulty and production cost are effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a forceps head structure schematic view of a medical forceps head structure of the utility model;

[0018] Figure 2 is a movable forceps head structure schematic view of a medical forceps head structure of the utility model;

[0019] Figure 3 is a fixed forceps head first structure schematic view of a medical forceps head structure of the utility model;

[0020] Figure 4 is a fixed forceps head second structure schematic view of a medical forceps head structure of the utility model;

[0021] Figure 5 is a first forceps head local enlarged structure schematic view of a medical forceps head structure of the utility model;

[0022] Figure 6 is a second forceps head local enlarged structure schematic view of a medical forceps head structure of the utility model.

[0023] In the drawing:

[0024] 1, movable forceps head; 101, protruding part; 102, traction groove; 103, first function end; 104, traction end;

[0025] 2, fixed forceps head; 201, accommodating groove; 202, sliding groove; 203, second function end; 204, support end;

[0026] 3, pull rod; 301, pull head;

[0027] 4. The jaw body. DETAILED DESCRIPTION

[0028] As Figures 1-6 shown, the embodiment is realized by the following technical solutions: the jaw body 4 is movably connected with a pull rod 3 for controlling the opening and closing of the jaw head.

[0029] The jaw head comprises a fixed jaw head 2, and the fixed jaw head 2 is movably provided with a movable jaw head 1, and the movable jaw head 1 can realize the opening and closing action relative to the fixed jaw head 2.

[0030] The movable jaw head 1 comprises a first functional end 103 and a traction end 104, and the side surface of the traction end 104 is provided with an arc-shaped protruding part 101; the movable jaw head 1 is movably connected to the fixed jaw head 2 through the protruding part 101.

[0031] The fixed jaw head 2 comprises a second functional end 203 and a support end 204, and the support end 204 is provided with a containing groove 201 penetratingly arranged thereon, and the inner wall of the containing groove 201 is provided with a sliding groove 202.

[0032] Specifically, the traction end 104 is inserted into the containing groove 201, and the protruding part 101 is slidably connected into the sliding groove 202.

[0033] Specifically, the traction end 104 is further provided with an arc-shaped traction groove 102.

[0034] Specifically, one end of the pull rod 3 is provided with a pull head 301, the pull head 301 is matched with the traction groove 102, and the pull head 301 is slidably connected into the traction groove 102.

[0035] In the embodiment, the pull head 301 is provided with an arc-shaped sliding block, and the sliding block is slidably connected into the traction groove 102, as Figure 5 、 Figure 6 shown.

[0036] Specifically, the protruding part 101 is symmetrically distributed to the side surface of the traction end 104 along the central plane of the movable jaw head 1, as Figure 2 shown.

[0037] Specifically, when the movable jaw head 1 is opened and closed relative to the fixed jaw head 2, the first functional end 103 can be driven away from or close to the second functional end 203.

[0038] In the embodiment, the type of the jaw head is a thread grabbing forceps, as Figure 5 、 Figure 6 shown; further, the first functional end 103 and the second functional end 203 can be composed into different types of surgical forceps such as cutting forceps, separating forceps, needle holding forceps, etc. by adopting different structures.

[0039] The specific use principle of the utility model is as follows:

[0040] The pliers body 4 drives the pull rod 3 to move, the pull rod 3 drives the movable pliers head 1 to move, when the pull rod 3 pulls the movable pliers head 1, the movable pliers head 1 is in the open state, as shown in Figure 6 ; when the pull rod 3 pushes the movable pliers head 1, the movable pliers head 1 is in the closed state, as shown in Figure 5 ; the pull head 301 slides in the traction groove 102 while driving the protruding part 101 to slide in the sliding groove 202, constrained by the arc structure of the protruding part 101 and the sliding groove 202, the protruding part 101 slides in the sliding groove 202 while rotating along the geometric center of the arc contour, the movable pliers head 1 realizes the conversion of the open and closed states with the sliding of the protruding part 101 in the sliding groove 202.

[0041] Of course, the above content is only the preferred embodiment of the present application, and cannot be considered as limiting the scope of the embodiments of the present application. The present application is also not limited to the above examples, and the equivalent changes and improvements made by the ordinary skilled in the art within the essential scope of the present application should be attributed to the patent coverage of the present application.

Claims

1. A medical forceps head structure comprising a forceps body (4) and a pull rod (3) movably connected to the forceps body (4) for controlling the opening and closing of the forceps head; characterized in that, The pincer head comprises a fixed pincer head (2), and a movable pincer head (1) is matched and arranged on the fixed pincer head (2), and the movable pincer head (1) can realize opening and closing action relative to the fixed pincer head (2); The movable pincer head (1) comprises a first functional end (103) and a traction end (104), and an arc-shaped protruding part (101) is arranged on the side surface of the traction end (104); the movable pincer head (1) is movably connected to the fixed pincer head (2) through the protruding part (101); The fixed pincer head (2) comprises a second functional end (203) and a supporting end (204); a containing groove (201) is arranged through the supporting end (204); and a sliding groove (202) is arranged on the inner wall of the containing groove (201).

2. The medical pincer head structure according to claim 1, wherein The traction end (104) is inserted into the containing groove (201); and the protruding part (101) is slidably connected into the sliding groove (202).

3. The medical pincer head structure according to claim 1, wherein An arc-shaped traction groove (102) is further arranged on the traction end (104).

4. The medical pincer head structure according to claim 3, wherein One end of the pull rod (3) is provided with a pull head (301), the pull head (301) is matched with the traction groove (102), and the pull head (301) is slidably connected into the traction groove (102).

5. The medical pincer head structure according to claim 1, wherein The protruding part (101) is symmetrically distributed to the side surface of the traction end (104) along the central plane of the movable pincer head (1).

6. The medical pincer head structure according to claim 1, wherein When the movable pincer head (1) is opened and closed relative to the fixed pincer head (2), the first functional end (103) can be driven away from or close to the second functional end (203).

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