CN203576612U - Novel fracture reduction and fixation clamp - Google Patents

Abstract

The utility model discloses a novel fracture reduction and fixation clamp. The novel fracture reduction and fixation clamp comprises clamp handles, clamp handle tooth fasteners, a straight-rod clamp arm, an arc-shaped clamp arm, a pin shaft, bolts and three clamping jaws, wherein the crossed parts of the straight-rod clamp arm and the arc-shaped clamp arm are connected through the pin shaft; the clamp handles are arranged outside the bottom ends of the straight-rod clamp arm and the arc-shaped clamp arm; one end of one of the clamp handle tooth fasteners and one end of the other clamp handle tooth fastener are arranged on the inner side walls of the straight rod clamp arm and the arc-shaped clamp arm, and the other end of one of the clamp handle tooth fasteners is movably connected with that of the other clamp handle tooth fastener; a first branch arm and a second branch arm are arranged on the top of an arc-shaped part of the arc-shaped clamp arm; one end of one clamping jaw, one ends of another the three clamping jaws and one end of the other clamping jaw are connected to the upper ends of the straight-rod clamp arm, the first branch arm and the second branch arm through the bolts respectively; the jaw tip of the clamping jaw connected to the straight-rod clamp arm faces the arc-shaped clamp arm, and the jaw tip of the clamping jaw connected to the arc-shaped clamp arm faces the straight-rod clamp arm. The clamping jaws of the novel fracture reduction and fixation clamp have a certain motion range and form a triangular fixation points during fixation so as to lay a good foundation for subsequent fracture fixation.

Description

Novel fracture reduction fixing clamp

Technical field

This utility model relates to a kind of orthopaedic medical treatment utensil technical field, relates in particular to a kind of novel fracture reduction fixing clamp.

Background technology

Fracture is bone wound section common disease, in operative treatment process, must first the fracture of displacement be resetted and then just can be fixed, and the quality of reset is the key for the treatment of.Reset fixation clamps is usually used to make the discrete bone reduction of fracture site or maintains the skeleton having resetted in operation, after the skeleton of fracture site is reset and is clamped firmly, just can carry out follow-up surgical work.The head construction of reset fixation clamps is the use characteristic place of reduction forceps, and different structures adapts to respectively different operative sites, and suitable reduction forceps can make operation simple, quick.

Reset fixation clamps head structure and the angle used are at present fixed, and in the middle of operation, can not regulate pincers point and fixed position thereof, cannot adapt to complicated fracture situation, fixing the grade in operation to the reset of fracture site, greatly affect patient's operation, expend operating time, increase patient painful.

Utility model content

The purpose of this utility model: a kind of novel fracture reduction fixing clamp is provided, has overcome the drawback of prior art, the instructions for use that gears to actual circumstances, can better bone fixation folded block, and handled easily is practical.

To achieve these goals, the technical solution of the utility model is:

A novel fracture reduction fixing clamp, comprises clamp handle, clamp handle tooth button, straight-bar tong arm, arc tong arm, bearing pin, bolt and three gripper jaws; The middle part of described straight-bar tong arm and described arc tong arm intersects and is X-shaped structure, and described straight-bar tong arm is connected by described bearing pin with the infall of described arc tong arm, and described straight-bar tong arm and arc tong arm be take described bearing pin and rotated as rotating shaft; Described clamp handle is arranged on the outside, bottom of described straight-bar tong arm and arc tong arm, and one end of described clamp handle tooth button is arranged on the medial wall of described straight-bar tong arm and arc tong arm, and the other end of described clamp handle tooth button is flexibly connected mutually; The upper end of described arc tong arm is crooked curved laterally, and the top of the arc part of described arc tong arm is provided with the first support arm and the second support arm, the arc part of described arc tong arm and the first described support arm and the second support arm form Y shape branched structure, and the first described support arm and the second described support arm are in same plane; One end of three described gripper jaws is connected to respectively the upper end of described straight-bar tong arm, the first support arm and the second support arm by described bolt, the other end of three described gripper jaws is free end and pointed; Be connected to the pawl point of the gripper jaw on described straight-bar tong arm towards described arc tong arm, be connected to the pawl point of the gripper jaw on described arc tong arm towards described straight-bar tong arm, described gripper jaw is around 0 ° of-60 ° of rotation in horizontal plane of described bolt.

Above-mentioned novel fracture reduction fixing clamp, wherein, described straight-bar tong arm, the first support arm and the second support arm are cylindrical structurals, in the upper end of described straight-bar tong arm, the first support arm and the second support arm, be provided with installing hole, the lower end of described installing hole is spheroidal and coaxially arranges with described straight-bar tong arm, the first support arm and the second support arm respectively, and the upper end of described installing hole is sector structure and extends outwardly into the outer wall of described straight-bar tong arm, the first support arm and the second support arm.

Above-mentioned novel fracture reduction fixing clamp, wherein, described bolt is cylindrical structural, described bolt is inserted in the ball position of described installing hole by described straight-bar tong arm, the first support arm and the second support arm.

Above-mentioned novel fracture reduction fixing clamp, wherein, the angle of the sector structure of described installing hole is 60 °, described gripper jaw rotates in the fan-shaped plan of described installing hole, the rotational plane of the gripper jaw on the arc tong arm described in being positioned at and described arc tong arm, the first support arm and the second support arm are at same horizontal plane, and the rotational plane of the gripper jaw on the straight-bar tong arm described in being positioned at and described straight-bar tong arm are at same horizontal plane.

This utility model is because the gripper jaw of its tong arm head end has certain mobility, can convenient operation in the middle of operation, according to sclerite form, place gripper jaw, clench sclerite, three gripper jaws on two tong arms can form a firm triangle fixing point fixedly time, thereby sclerite firmly can be fixed into as a wholely, be fixedly laying a good foundation of follow-up fracture.Reasonable in design, in product structure and the function aspects than current use aspect structure and manufacturing technology, there is larger Improvement and perfection, and practical, can better bone fixation folded block, handled easily, is easy to promote and use.

Accompanying drawing explanation

Fig. 1 is the front view of novel fracture reduction fixing clamp of the present utility model.

Fig. 2 is the longitudinal sectional view of the front end activeness gripper jaw of novel fracture reduction fixing clamp of the present utility model.

Fig. 3 is the transverse sectional view of the front end activeness gripper jaw of novel fracture reduction fixing clamp of the present utility model.

The specific embodiment

Below in conjunction with accompanying drawing, further illustrate embodiment of the present utility model.

Refer to shown in accompanying drawing 1, a kind of novel fracture reduction fixing clamp, comprises clamp handle 1, clamp handle tooth button 2, straight-bar tong arm 3,arc tong arm 4, bearingpin 5,bolt 6 and threegripper jaws 7; The middle part of described straight-bar tong arm 3 and describedarc tong arm 4 intersects and is X-shaped structure, described straight-bar tong arm 3 is connected by described bearingpin 5 with the infall of describedarc tong arm 4, and described straight-bar tong arm 3 andarc tong arm 4 be take described bearingpin 5 as rotating shaft rotation; Described clamp handle 1 is arranged on the outside, bottom of described straight-bar tong arm 3 andarc tong arm 4, and one end of described clamp handle tooth button 2 is arranged on the sidewall of described straight-bar tong arm 3 andarc tong arm 4, and the other end of described clamp handle tooth button 2 is flexibly connected mutually; The upper end of describedarc tong arm 4 is crooked curved laterally, and the top of the arc part of describedarc tong arm 4 is provided with thefirst support arm 41 and thesecond support arm 42, the arc part of describedarc tong arm 4 and described thefirst support arm 41 and thesecond support arm 42 form Y shape branched structures, the first describedsupport arm 41 with the second describedsupport arm 42 in same plane; One end of three describedgripper jaws 7 is connected to respectively the upper end of described straight-bar tong arm 3, thefirst support arm 41 and thesecond support arm 42 by describedbolt 6, the other end of three describedgripper jaws 7 is free end and pointed; Be connected to the pawl point of thegripper jaw 7 on described straight-bar tong arm 3 towards describedarc tong arm 4, be connected to the pawl point of thegripper jaw 7 on describedarc tong arm 4 towards described straight-bar tong arm 3, describedgripper jaw 7, around described bolt 60 ° of-60 ° of rotation in horizontal plane, forms front end activeness gripper jaw.

Refer to shown in accompanying drawing 2 and accompanyingdrawing 3, described straight-bar tong arm 3, thefirst support arm 41 and thesecond support arm 42 are cylindrical structurals, in described straight-bar tong arm 3, thefirst support arm 41 and thesecond support arm 42, be provided with installinghole 43, the lower end of described installinghole 43 is spheroidal and coaxially arranges with described straight-bar tong arm 3, thefirst support arm 41 and thesecond support arm 42 respectively, and the upper end of describedinstalling hole 43 is sector structure and extends outwardly into the outer wall of described straight-bar tong arm 3, thefirst support arm 41 and thesecond support arm 42.

Describedbolt 6 is cylindrical structurals, and describedbolt 6 is inserted in the ball position of described installinghole 43 by described straight-bar tong arm 3, thefirst support arm 41 and thesecond support arm 42.

The angle of the sector structure of describedinstalling hole 43 is 60 °, describedgripper jaw 7 rotates in the fan-shaped plan of described installinghole 43, the described rotational plane that is positioned at thegripper jaw 7 on describedarc tong arm 4 and describedarc tong arm 4, thefirst support arm 41 and thesecond support arm 42 are at same horizontal plane, and the rotational plane of thegripper jaw 7 on the straight-bar tong arm 3 described in being positioned at and described straight-bar tong arm 3 are at same horizontal plane.

In the education reduction of the fracture fixedly time, can first sclerite be resetted, according to sclerite form, regulategripper jaw 7 positions, thegripper jaw 7 of reset fixation clamps one side is placed on sclerite, and thegripper jaw 7 of opposite side is placed on key appropriate location, closes up clamp handle 1 and can reach reset and fixing object, and then carry out fixing in Kirschner wire or screw, after fixing satisfaction, can remove reset fixation clamps.

In sum, this utility model is because the gripper jaw of its tong arm head end has certain mobility, can convenient operation in the middle of operation, according to sclerite form, place gripper jaw, clench sclerite, three gripper jaws on two tong arms can form a firm triangle fixing point fixedly time, thereby sclerite firmly can be fixed into as a wholely, are fixedly laying a good foundation of follow-up fracture.Reasonable in design, in product structure and the function aspects than current use aspect structure and manufacturing technology, there is larger Improvement and perfection, and practical, can better bone fixation folded block, handled easily, is easy to promote and use.

Claims (4)

1. a novel fracture reduction fixing clamp, is characterized in that: comprise clamp handle, clamp handle tooth button, straight-bar tong arm, arc tong arm, bearing pin, bolt and three gripper jaws; The middle part of described straight-bar tong arm and described arc tong arm intersects and is X-shaped structure, and described straight-bar tong arm is connected by described bearing pin with the infall of described arc tong arm, and described straight-bar tong arm and arc tong arm be take described bearing pin and rotated as rotating shaft; Described clamp handle is arranged on the outside, bottom of described straight-bar tong arm and arc tong arm, and one end of described clamp handle tooth button is arranged on the medial wall of described straight-bar tong arm and arc tong arm, and the other end of described clamp handle tooth button is flexibly connected mutually; The upper end of described arc tong arm is crooked curved laterally, and the top of the arc part of described arc tong arm is provided with the first support arm and the second support arm, the arc part of described arc tong arm and the first described support arm and the second support arm form Y shape branched structure, and the first described support arm and the second described support arm are in same plane; One end of three described gripper jaws is connected to respectively the upper end of described straight-bar tong arm, the first support arm and the second support arm by described bolt, the other end of three described gripper jaws is free end and pointed; Be connected to the pawl point of the gripper jaw on described straight-bar tong arm towards described arc tong arm, be connected to the pawl point of the gripper jaw on described arc tong arm towards described straight-bar tong arm, described gripper jaw is around 0 ° of-60 ° of rotation in horizontal plane of described bolt.

2. novel fracture reduction fixing clamp according to claim 1, it is characterized in that: described straight-bar tong arm, the first support arm and the second support arm are cylindrical structurals, in the upper end of described straight-bar tong arm, the first support arm and the second support arm, be provided with installing hole, the lower end of described installing hole is spheroidal and coaxially arranges with described straight-bar tong arm, the first support arm and the second support arm respectively, and the upper end of described installing hole is sector structure and extends outwardly into the outer wall of described straight-bar tong arm, the first support arm and the second support arm.

3. novel fracture reduction fixing clamp according to claim 2, is characterized in that: described bolt is cylindrical structural, and described bolt is inserted in the ball position of described installing hole by described straight-bar tong arm, the first support arm and the second support arm.

4. novel fracture reduction fixing clamp according to claim 2, it is characterized in that: the angle of the sector structure of described installing hole is 60 °, described gripper jaw rotates in the fan-shaped plan of described installing hole, the rotational plane of the gripper jaw on the arc tong arm described in being positioned at and described arc tong arm, the first support arm and the second support arm are at same horizontal plane, and the rotational plane of the gripper jaw on the straight-bar tong arm described in being positioned at and described straight-bar tong arm are at same horizontal plane.

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