CN202086557U - Reset forceps - Google Patents

Abstract

The utility model discloses a reset forceps, comprising a forceps handle composed by an upper forceps handle (5) and a lower forceps handle (6), and a forceps head composed by an arc-shaped upper forceps head (2) and an arc-shaped lower forceps head (3). The inner surfaces of the arc-shaped upper forceps head (2) and the arc-shaped lower forceps head (3) are both provided with teeth (1). The arc-shaped upper forceps head (2) is composed by an upper forceps head front portion (21) and an upper forceps head rear portion (22), which are disposed in a bending included angle of 25-35 DEG. The arc-shaped lower forceps head (3) is composed by a lower forceps head front portion (31) and a lower forceps head rear portion (32). The lower forceps head front portion (31) is disposed corresponding to the upper forceps head front portion (21), and the lower forceps head rear portion (32) is disposed corresponding to the upper forceps head rear portion (22). The teeth (1) are lateral coarse teeth. With the reset forceps, bones to be reset can be effectively clamped in an operation.

Description

Reduction forceps

Technical field

This utility model relates to a kind of medical apparatus and instruments, particularly a kind of reduction forceps.

Background technology

Reduction forceps is a kind of medical apparatus and instruments commonly used in the operation, is applicable to the elongated bone of the clamping usefulness that resets.

Present existing reduction forceps comprises pincers handle of being made up of upper plier handle and lower plier handle and the binding clip of being made up of arc upper grip head and arc lower pliers head, and the inner surface of the inner surface of arc upper grip head and arc lower pliers head is equipped with tooth, and upper plier handle and lower plier handle are rotatedly connected; Arc lower pliers head and upper plier handle are fixedly linked, and arc upper grip head and lower plier handle are fixedly linked; Between upper plier handle and lower plier handle, lock uint is set.Whole arc upper grip head is a plane, and whole arc lower pliers head also is a plane.

During actual the use, the medical worker makes the arc upper grip head relative with the arc lower pliers head closed, thereby clamps bone to be resetted by handling upper plier handle and lower plier handle; According to the thickness of bone, regulate lock uint again, pin the pincers handle, thereby avoid reduction forceps to produce displacement with respect to bone to be resetted.There is following defective in above-mentioned existing reduction forceps: because the bone that is held is general harder and quality is heavier, so binding clip is easy to slippage from the bone; Thereby increased medical worker's work difficulty.

Summary of the invention

The technical problems to be solved in the utility model provides good, easy and simple to handle and effective clamping wait the to reset reduction forceps of bone of a kind of intensity.

In order to solve the problems of the technologies described above, this utility model provides a kind of reduction forceps, comprise pincers handle of forming by upper plier handle and lower plier handle and the binding clip of forming by arc upper grip head and arc lower pliers head, the inner surface of the inner surface of arc upper grip head and arc lower pliers head is equipped with tooth, and upper plier handle and lower plier handle are rotatedly connected; Between upper plier handle and lower plier handle, lock uint is set; The arc upper grip head is made up of upper grip head front portion and upper grip head rear portion, and upper grip head front portion and upper grip head rear portion are 25 °～35 ° crooked angle, and upper grip head rear portion and lower plier handle are fixedly linked; The arc lower pliers head is made up of lower pliers head front portion and lower pliers head rear portion, and lower pliers head is anterior symmetrical with the upper grip head front portion, and lower pliers head rear portion and upper grip head rear portion are symmetrical, and lower pliers head rear portion and upper plier handle are fixedly linked; Tooth is horizontal bastard.

Improvement as reduction forceps of the present utility model: lock uint comprises locking bar holder, screw thread locking bar and traveling nut, the place is provided with through hole at upper plier handle, locking bar holder and lower plier handle are fixedly linked, one end and the locking bar holder of screw thread locking bar are rotatedly connected, the other end of screw thread locking bar passes the outside that is positioned at whole pincers handle behind the through hole, be provided with on the screw thread locking bar that is positioned at pincers handle outside with the screw thread locking bar on the traveling nut that matches of external screw thread.

Further improvement as reduction forceps of the present utility model: be equipped with antiskid groove on upper plier handle and the lower plier handle.

Reduction forceps of the present utility model, because in the inner surface setting of arc upper grip head and arc lower pliers head is horizontal bastard, therefore the dynamics in the time of strengthening the binding clip clamping and wait to reset bone, because arc upper grip head and arc lower pliers head are the bending that bends towards the same side, upper grip head front portion and lower pliers head front portion just look like to be 2 big canine tooths, can avoid waiting to reset bone from the binding clip slippage.Utilizing lock uint can avoid whole reduction forceps is shifted with respect to the bone of waiting to reset.Antiskid groove in upper plier handle and the setting of lower plier handle place produces skidding in the time of avoiding the medical worker to operate.

Description of drawings

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.

Fig. 1 is the main TV structure sketch map of reduction forceps of the present utility model;

Fig. 2 is the schematic top plan view of Fig. 1.

The specific embodiment

Fig. 1 and Fig. 2 comprise pincers handle of being made up of upper plier handle 5 and lower plier handle 6 and the binding clip of being made up of arc upper grip head 2 and arc lower pliers head 3 in conjunction with having provided a kind of reduction forceps, and upper plier handle 5 is rotatedly connected by pincers handle branchia shaft screw 4 with lower plier handle 6.

Arc upper grip head 2 is made up of upper grip head anterior 21 and upper grip head rear portion 22, and upper grip head anterior 21 and upper grip head rear portion 22 are 25 °～35 ° crooked angle, and upper grip head rear portion 22 is fixedly linked with lower plier handle 6.Arc lower pliers head 3 is made up of lower pliers head anterior 31 and lower pliers head rear portion 32, lower pliers head anterior 31 is symmetrical with upper grip head anterior 21, lower pliers head rear portion 32 is symmetrical with upper grip head rear portion 22, therefore, lower pliers head anterior 31 and lower pliers head rear portion 32 also are 25 °～35 ° crooked angle (angle of this crooked angle is with the angle of the crooked angle between upper grip head anterior 21 and the upper grip head rear portion 22); Lower pliers head rear portion 32 is fixedly linked with upper plier handle 5.Inner surface (being the inner surface of upper grip head front portion 21 and the inner surface at upper grip head rear portion 22) at whole arc upper grip head 2 is provided with tooth 1, inner surface (being the inner surface of lower pliers head front portion 31 and the inner surface at lower pliers head rear portion 32) at whole arc lower pliers head 3 also is provided with tooth 1, and this tooth 1 is horizontal bastard.

Between upper plier handle 5 and lower plier handle 6, lock uint is set; This lock uint comprises locking bar holder 11, screw thread locking bar 7 and traveling nut 9, and 5 places are provided with through hole 13 at upper plier handle; Locking bar holder 11 is fixedly linked with lower plier handle 6, the lower end of screw thread locking bar 7 is rotatedly connected by pivot pin 10 and locking bar holder 11, the outside that is positioned at whole pincers handle behind the through hole 13 is passed in the upper end of screw thread locking bar 7, in the upper end of screw thread locking bar 7 positioning boss 8 is set, the traveling nut 9 that the external screw thread on setting and screw thread locking bar 7 on the screw thread locking bar 7 that is positioned at pincers handle outside matches; Positioning boss 8 can play the effect of avoiding traveling nut 9 slippage from the screw thread locking bar 7.

On upper plier handle 5 and lower plier handle 6, be equipped with antiskid groove 12.

The occupation mode of this reduction forceps is specially with existing reduction forceps: unscrew traveling nut 9, make arc upper grip head 2 and arc lower pliers head 3 relative opening; When traveling nut 9 contacted with positioning boss 8, arc upper grip head 2 was in maximum open mode with arc lower pliers head 3; Handle upper plier handle 5 and lower plier handle 6, thereby make arc upper grip head 2 clamp bone to be resetted with arc lower pliers head 3 relative closures; Tighten traveling nut 9, thereby fix the relative position relation between upper plier handle 5 and the lower plier handle 6; Arc upper grip head 2 relies on horizontal bastard can hold on to bone to be resetted with arc lower pliers head 3; Upper grip head anterior 21 and lower pliers head front portion 31 just look like to be 2 big canine tooths, can avoid waiting to reset bone from the binding clip slippage.

At last, it is also to be noted that what more than enumerate only is a specific embodiment of the present utility model.Obviously, this utility model is not limited to above embodiment, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of this utility model all should be thought protection domain of the present utility model.

Claims (3)

1. reduction forceps, comprise pincers handle of forming by upper plier handle (5) and lower plier handle (6) and the binding clip of forming by arc upper grip head (2) and arc lower pliers head (3), the inner surface of the inner surface of described arc upper grip head (2) and arc lower pliers head (3) is equipped with tooth (1), and upper plier handle (5) is rotatedly connected with lower plier handle (6); Between upper plier handle (5) and lower plier handle (6), lock uint is set; It is characterized in that: described arc upper grip head (2) is made up of upper grip head front portion (21) and upper grip head rear portion (22), and upper grip head front portion (21) and upper grip head rear portion (22) are 25 °～35 ° crooked angle, and upper grip head rear portion (22) are fixedly linked with lower plier handle (6); Described arc lower pliers head (3) is made up of lower pliers head front portion (31) and lower pliers head rear portion (32), described lower pliers head front portion (31) is symmetrical with upper grip head front portion (21), described lower pliers head rear portion (32) is symmetrical with upper grip head rear portion (22), and lower pliers head rear portion (32) are fixedly linked with upper plier handle (5); Described tooth (1) is horizontal bastard.

2. reduction forceps according to claim 1, it is characterized in that: described lock uint comprises locking bar holder (11), screw thread locking bar (7) and traveling nut (9), locate to be provided with through hole (13) at upper plier handle (5), locking bar holder (11) is fixedly linked with lower plier handle (6), one end of screw thread locking bar (7) and locking bar holder (11) are rotatedly connected, the other end of screw thread locking bar (7) passes the outside that is positioned at whole pincers handle behind the through hole (13), the screw thread locking bar (7) that is positioned at pincers handle outside go up be provided with screw thread locking bar (7) on the traveling nut (9) that matches of external screw thread.

3. reduction forceps according to claim 2 is characterized in that: be equipped with antiskid groove (12) on described upper plier handle (5) and the lower plier handle (6).

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