CN2612351Y

CN2612351Y - Rongeur for fracture diaplasis

Info

Publication number: CN2612351Y
Application number: CN 03214466
Authority: CN
Inventors: 王星; 玄菲; 焉斌; 孟新宇; 尚秀蓉
Original assignee: 王星
Priority date: 2003-01-10
Filing date: 2003-01-10
Publication date: 2004-04-21
Anticipated expiration: 2013-01-10

Abstract

The utility model discloses a bone holding forceps for fracture reduction comprising a chela 2, forceps handles 3, forceps handle sprockets 4 and a forceps shaft 5. Semi-elliptical arc forceps arms 1 are respectively connected at the front end parts of the two forceps handles 3. The connecting parts of the Semi-elliptical arc forceps arms 1 and the forceps handles 3 are fixed by forceps shaft 5. The front end of the Semi-elliptical arc forceps arms 1 is provided with the chela 2. When the two Semi-elliptical arc forceps arms 1 are closed, an ellipse whose shape is similar to long bone section is formed. The bone holding forceps for fracture reduction has fast clamping, small volume, which is convenient for carrying and preparation before operation. The usage is flexible and convenient. A plurality of forceps can be used together. The utility model can be widely used in fracture reduction of long bone stamina and a plurality of flat bones and especially in fracture reduction of burst fracture whose fracture end has butterfly bone mass.

Description

Reduction of the fracture bone holding forceps

Technical field

This utility model relates to a kind of reduction of the fracture medical apparatus, and specifically a kind of reduction of the fracture bone holding forceps are applicable to the reduction of the fracture of long bone backbone and part flat bone, and particularly there is the reduction of the fracture of butterfly bone piece in the comminuted fracture fracture end.

Background technology

For the fracture of long bone backbone and part flat bone, particularly there is the fracture of butterfly bone piece in the comminuted fracture fracture end, when carrying out the reduction of the fracture, all needs with bone holding forceps the long bone near-end to be clamped, and far-end is resetted again, and carries out internal fixation.Used bone holding forceps are divided into two kinds substantially at present, and a kind of is bone holder, be made of clamp port, grip shank, clamping screw rod, the advantage of this bone holder is that chucking power is big, is difficult for rotating, what help fracturing resets substantially, so use more extensively, but also there is significant disadvantages, particularly during clamping ossiculum piece (as: butterfly bone piece), resetting, the back is easy becomes flexible, so that make reduction of the fracture failure, and volume is bigger, easily blocks the bore position of screw.During as row fracture steel plate internal fixation, bone holder is easily in the sclerotin of fracture and skidding at the interface of steel plate, cause repeatedly resetting, increase the weight of fracture and injury and prolonged operating time, even the cracked and fracture end of butterfly bone piece occurs and further rupture, cause that the fracture osteocomma increases, fracture line increases, it is more complicated to fracture, and it is more difficult to reset.Another kind is sharp mouth reduction forceps, be mainly used in fracture of calcaneus and fracture of acetabulum, its jaw end is sharp mouth shape, during use with the sharp-pointed position of front end impaction fracture end, closed jaw, realization resets, the shortcoming of this sharp mouth reduction forceps is that subject range is little, pincers power is little, the pincers point is easily broken curved, and when being cortical bone because of fracture end, because cortical bone is hard, sharp mouth reduction forceps front end can't be embedded, can't use.

Summary of the invention

The purpose of this utility model is to provide a kind of not only clamping firm, and volume is little, a kind of reduction of the fracture bone holding forceps of convenient, the applied range of applying flexible in the art.

For reaching above purpose, the technical scheme that this utility model adopted is: these reduction of the fracture bone holding forceps, by chela, the pincers handle, pincers handle buckle teeth, the pincers axle constitutes, leading section at two pincers handles connects upside of ellipse arcuation tong arm respectively, semiellipse arcuation tong arm is fixing with the pincers axle with the connecting portion of pincers handle, the front end of semiellipse arcuation tong arm is established chela, when two semiellipse arcuation tong arms are closed, form the ellipse similar to the long bone section configuration, make jaw with key, osteocomma, the contact area of steel plate increases, and increases fixed degree, improves reset effect, approach anatomical reduction, help union of fracture; Pincers handle buckle teeth is the tooth bar of phase make-up, and the switching of jaw and extent of opening can and select for use the thickness of steel plate mouth to regulate with pincers handle buckle teeth at all footpaths of fracture, thereby make sclerite, epiphysis, steel plate be fixed into an integral body.This utility model is also implemented by following measure: the interior thickness of described semiellipse arcuation tong arm is 3mm, and width is 4mm, and the major axis of semiellipse arcuation tong arm is 30-40mm, and semi-minor axis is 7-8mm.During application, in art, can many gripper clamp be used simultaneously, provide the multi-angle plane to fix, help avoiding steel plate hole, being screwed into of not overslaugh boring and screw.

The beneficial effects of the utility model are: compare with the reduction of the fracture pincers of present application, not only clamping is firm, and volume little, be easy to carry and art before prepare, applying flexible is convenient, and is how shared caliper, can provide the many planes of multi-angle to fix, the reseting precision height approaches anatomical reduction more, helps union of fracture, and but fit applications is in the open reduction internal fixation, comprises that steel plate and intramedullary needle fix.

Description of drawings

Fig. 1 looks sketch map for this utility model structure master.

The specific embodiment

Make this utility model with reference to accompanying drawing 1.These reduction of the fracture bone holding forceps, by chela 2, pincers handle 3, pincers handle buckle teeth 4, pincers axle 5 constitutes, leading section at two pincers handles 3 connects upside of ellipse arcuation tong arm 1 respectively, semiellipse arcuation tong arm 1 is fixing with pincers axle 5 with the connecting portion of pincers handle 3, the front end of semiellipse arcuation tong arm 1 is established chela 2, when two semiellipse arcuation tong arms, 1 closure, form the ellipse similar to the long bone section configuration, make jaw with key, osteocomma, the contact area of steel plate increases, pincers handle buckle teeth 4 is the tooth bar of phase make-up, the switching of jaw and extent of opening are at all footpaths of fracture and select for use the thickness of steel plate mouth to regulate with pincers handle buckle teeth 4, thereby make sclerite, epiphysis, steel plate is fixed into an integral body.The thickness at described semiellipse arcuation tong arm 1 middle part is 3mm, and width is 4mm, and the major axis of semiellipse arcuation tong arm 1 is 30-40mm, and semi-minor axis is 7-8mm.

Claims

1, a kind of reduction of the fracture bone holding forceps, constitute by chela (2), pincers handle (3), pincers handle buckle teeth (4), pincers axles (5), it is characterized in that connecting upside of ellipse arcuation tong arm (1) respectively at the leading section of two pincers handles (3), semiellipse arcuation tong arm (1) is fixing with pincers axles (5) with the connecting portion of pincers handles (3), the front end of semiellipse arcuation tong arm (1) is established chela (2), when two semiellipse arcuation tong arms (1) are closed, form the ellipse similar to the long bone section configuration.

2, reduction of the fracture bone holding forceps according to claim 1, the interior thickness that it is characterized in that described semiellipse arcuation tong arm (1) is 3mm, and width is 4mm, and the major axis of semiellipse arcuation tong arm (1) is 30-40mm, and semi-minor axis is 7-8mm.