Miniature forceps with forceps heads convenient to replace

Abstract

The utility model discloses a pair of miniature pincers convenient for replacing a pincer head, which comprises a fixed handle and a movable handle which are hinged with each other, a mounting groove is arranged on the upper side of the fixed handle, a pull rod and a pincer rod seat are arranged in the mounting groove, the tail end of the pull rod is connected with the movable handle, and a mounting column is arranged at the head part of the pull rod; a forceps rod and a knurled nut are installed on the forceps rod base, the forceps rod is arranged on the outer side of the pull rod in a sleeving mode, a clamping sleeve is installed at the end, away from the fixed handle, of the forceps rod, and a forceps head assembly is detachably installed on the clamping sleeve and the installation column. The pair of surgical forceps has the advantages that the disposable forceps heads are convenient to replace, the surgical reliability is improved, the universality is improved, and resource waste is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a medical instrument technical field, especially a micro forceps convenient to replace forceps head. BACKGROUND

[0002] In gynecological operation, isolated endometrial polyp, using hysteroscope, generally doctor suggests micro forceps resection, like this does not need to dilate hysteroscope pipe, reduces the risk of hysteroscope laceration and hysteroscope insufficiency, also avoids endometrial damage caused by electrocision.

[0003] But the existing hysteroscope micro forceps are very many, there are foreign body forceps, biopsy forceps, tooth forceps, scissors forceps, ring taking forceps and so on, their handle and forceps rod are same, just forceps head shape is different, when entering operating room, several of each are prepared, but hospital operation exists unknown, only start operation to know which forceps to use, often the purchased forceps are not used, the forceps of the less purchase are all used up, lack universal compatibility, waste resources, micro forceps forceps head is very small, the key part is in forceps head, forceps head is most easily damaged after being clamped and rubbed for many times, and medical adverse events are easily caused.

[0004] In order to reduce medical accidents, now we use disposable forceps head, disposable high reliability, cheap, but the original micro forceps structure is inconvenient to replace and install forceps head. UTILITY MODEL CONTENTS

[0005] In view of the above problems, the utility model designs a micro forceps convenient to replace forceps head.It has the advantages of convenient replacement of disposable forceps head, increase operation reliability, increase universal compatibility and save resources.

[0006] The utility model discloses a micro forceps convenient to replace forceps head, including mutually hinged fixed handle and movable handle, the hinge is equipped with handle screw, the fixed handle upper side is equipped with the installation slot, the installation slot is installed in the pull rod, the tail end of pull rod is connected with round head pull rod, and the round head end of round head pull rod is connected movable handle, and the spring is set on the round head pull rod.

[0007] In the foregoing micro forceps convenient to replace forceps head, the clamping sleeve is installed on the end, away from the fixed handle of forceps rod, and the forceps head mounting hole is equipped on the clamping sleeve, the installation column is equipped on the end, away from the fixed handle of pull rod, the forceps head assembly is buckled on the installation column, and is fixedly installed through forceps head mounting hole.

[0008] In the aforementioned micro forceps with convenient replacement of forceps head, the forceps head assembly comprises upper and lower forceps heads hinged to each other, the upper and lower forceps heads are each provided with a hinge hole, the hinge hole is provided with a forceps head screw, the rear side of the hinge hole is provided with a connecting hole, a connecting piece is installed through the connecting hole and a connecting pin, the other end of the connecting piece is provided with a mounting buckle, the mounting buckle is buckled on the mounting column, the connecting piece and the forceps head form a parallelogram, and the parallelogram is synthesized into a straight line through backward pulling of the pull rod, so that the upper and lower forceps heads are engaged.

[0009] In the aforementioned micro forceps with convenient replacement of forceps head, the forceps rod sleeve is provided with a stop ring, the forceps are assembled, the position of the stop ring is moved to the corresponding position according to the type of the forceps, and the surgeon can quickly and accurately find the corresponding forceps in the operation without looking at the forceps head again to classify, thereby saving time and effort.

[0010] Compared with the prior art, the mounting buckle is arranged on the forceps head connecting piece, the mounting buckle is buckled on the mounting column on the pull rod, the forceps head screw is removed, and the forceps head is installed on the forceps rod clamp sleeve through the forceps head hinge hole, so that the forceps head assembly can be completed, which is very convenient.

[0011] Further, after the operation, the forceps head screw is removed, the forceps head can be removed and discarded, the knurled nut is unscrewed, and the forceps handle and the forceps rod can be disassembled and sterilized, which is very convenient, and the new forceps head assembly can be used next time. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a structural schematic diagram of the utility model;

[0013] Figure 2 is a structural schematic diagram of the utility model Figure 1 A is an enlarged view;

[0014] Figure 3 is a structural schematic diagram of the forceps head assembly of the utility model;

[0015] Figure 4 is a top view of the forceps head part of the utility model;

[0016] The marks in the drawings are: 1, lower forceps head; 2, upper forceps head; 3, forceps head screw; 4, connecting pin; 5, connecting piece; 6, clamp sleeve; 7, pull rod; 71, mounting column; 8, forceps rod; 9, forceps rod sleeve; 10, stop ring; 11, knurled nut; 12, forceps rod seat; 13, fixed handle; 131, mounting groove; 14, round head rod; 15, spring; 16, handle screw; 17, movable handle. DETAILED DESCRIPTION

[0017] The technical scheme of the utility model will be further specifically described below by means of examples and in combination with the drawings.

[0018] Example 1.

[0019] A micro pliers with replaceable head, comprising a handle, a pliers head assembly, a pull rod 7, a pliers rod 8, a pliers rod sleeve 9, a pliers rod seat 12, a clamp sleeve 6, etc. Figures 1-4 The handle comprises a movable handle 17 and a fixed handle 13, and the movable handle 17 is connected to the fixed handle 13 by a handle screw 16, so that the movable handle 17 can rotate on the fixed handle 13.

[0020] A mounting groove 131 is arranged on the upper side of the fixed handle 13, and the pliers rod seat 12 and the pull rod 7 are mounted in the mounting groove 131.

[0021] A mounting column 71 is arranged on the side of the pull rod 7 away from the fixed handle 13, the pliers rod 8 is mounted on the pliers rod seat 12, the clamp sleeve 6 is mounted on the end of the pliers rod 8 away from the fixed handle 13, and the pliers head assembly is detachably mounted on the clamp sleeve 6 and the mounting column 71.

[0022] The pliers rod 8, the pliers rod seat 12 and the pliers rod sleeve 9 are sequentially sleeved on the outer side of the pull rod 7, the diameter of the pliers rod 8 is less than 2 mm, the pliers rod sleeve 9 is connected to the pliers rod seat 12, the pliers rod sleeve 9 is provided with a stop ring 10, the outer side of the pliers rod sleeve 9 is provided with external threads, the inner side of the stop ring 10 is provided with internal threads, and the stop ring 10 can move and be fixed on the pliers rod sleeve 9.

[0023] A knurled nut 11 is mounted on the front side of the pliers rod seat 12 and the fixed handle 13, and the knurled nut 11 locks the pull rod 7, the pliers rod 8 and the pliers rod sleeve 9.

[0024] The pull rod 7 and the pliers rod 8 are made of hard pipes.

[0025] The pliers head assembly comprises an upper pliers head 2 and a lower pliers head 1 which are hingedly connected to each other, and the upper pliers head 2 and the lower pliers head 1 are both provided with a hinge hole and a connecting hole, the hinge hole is mounted with a pliers head screw 3, the connecting hole is mounted with a connecting pin 4 and a connecting piece 5, the other end of the connecting piece 5 is provided with a mounting buckle 51 which is buckled on the mounting column 71, and the connecting piece 5, the upper pliers head 2 and the lower pliers head 1 form a parallelogram, the movable handle 17 is moved close to the fixed handle 13 by hand clenching, the pull rod 7 is pulled backward, the parallelogram is synthesized into a straight line, and the upper pliers head 2 and the lower pliers head 1 are engaged with each other; the movable handle 17 is moved away from the fixed handle 13 by hand opening, the pull rod 7 is moved forward, and the upper pliers head 2 and the lower pliers head 1 are opened away from each other.

[0026] When installing, the installation buckle 51 on the jaw connecting piece 5 is buckled on the installation column 71 of the pull rod, and the jaw screw 3 is unscrewed, so that the hinged hole is aligned with the jaw installation hole on the sleeve, and the jaw screw 3 is screwed through. After the operation is completed, the jaw screw 3 is removed, and the jaw assembly can be removed and discarded.

[0027] Example 2.

[0028] Different from example 1, the jaw rod 8 and the pull rod 7 are made of spring material, the diameter of the jaw rod 8 is less than 2 mm, and the jaw rod 8 has great softness and can be arbitrarily bent according to the positioning of the small tissue organs and tubes of the human body. The small tissue organs and tubes, especially the bladder, urethra, vagina, etc. are moved and grabbed, and the operation is smooth in and out, and the human body small organs and tissues will not be accidentally harmed.

Claims

1. A microscopical forceps with a replaceable head, characterized in that: The utility model relates to a kind of pliers, including mutually articulated fixed handle (13) and movable handle (17), the fixed handle (13) upper side is equipped with installation slot (131), the installation slot (131) is installed with pull rod (7) and clamp lever seat (12), the tail end of pull rod (7) is connected with the movable handle (17), and the head of pull rod (7) is equipped with mounting post (71);The clamp lever seat (12) is installed with clamp lever (8) and knurled nut (11), clamp lever (8) is set on the outside of pull rod (7), and the end of clamp lever (8) away from fixed handle (13) is installed with collet (6), and the collet (6) and mounting post (71) are detachably installed with jaw assembly; The utility model relates to a kind of pliers, including mutually articulated fixed handle (13) and movable handle (17), the fixed handle (13) upper side is equipped with installation slot (131), the installation slot (131) is installed with pull rod (7) and clamp lever seat (12), the tail end of pull rod (7) is connected with the movable handle (17), and the head of pull rod (7) is equipped with mounting post (71);The clamp lever seat (12) is installed with clamp lever (8) and knurled nut (11), clamp lever (8) is set on the outside of pull rod (7), and the end of clamp lever (8) away from fixed handle (13) is installed with collet (6), and the collet (6) and mounting post (71) are detachably installed with jaw assembly; 2. The microscopical forceps according to claim 1, wherein: The tail end of pull rod (7) is connected with round head rod (14), and the round head end of round head rod (14) is connected with the movable handle (17), and spring (15) is set on round head rod (14).

3. The microscopical forceps of claim 1, wherein: The clamp lever seat (12) is connected with clamp lever sleeve (9), and clamp lever sleeve (9) is set on clamp lever (8), and retaining ring (10) is equipped on clamp lever sleeve (9), and the retaining ring (10) can be moved and fixed on clamp lever sleeve (9).

4. The microscopical forceps of claim 1, wherein: The diameter of clamp lever (8) is less than 2mm.

5. The microscopical forceps according to claim 4, wherein: Pull rod (7) and clamp lever (8) are made of spring material.

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