CN209490079U - For guider fixed in fracture of neck of femur open reduction hollow nail - Google Patents

Abstract

The utility model relates to a kind of for guider fixed in fracture of neck of femur open reduction hollow nail, including handle, handle upper end is provided with the positioning handle of hook solid, the handle lower end is provided with the guiding axis to wear guide pin, it is offered on the guiding axis multiple along the setting of guiding axis axial direction and the guiding duct to wear guide pin, positioning handle lower end has the location hook turned to guiding axis, positioning handle lower end, which also has, turns with location hook to opposite guiding hook, and the guiding hook is located on the axial line in guiding axis centre pilot duct.The utility model is novel for guide structure fixed in fracture of neck of femur open reduction hollow nail, and design is rationally, easy to use, and it is more accurate to be oriented to；Correct position can be found accurately faster, reduce and repeat nailing number, reduce the merging difficulty of guide pin, avoid the occurrence of the problem of repeatedly having an injection position deviation, while reducing radioscopy number in art, doctor and patient is protected, increase operation safety.

Description

For guider fixed in fracture of neck of femur open reduction hollow nail

Technical field

The utility model relates to a kind of for guider fixed in fracture of neck of femur open reduction hollow nail.

Background technique

At present in fracture of neck of femur hollow nail internal fixation, need to make a call to three hollow nails in the distribution of falling triangle disposition, But because do not have guider, during nailing can only touch system, then use its position of radioscopy, but often because follow closely position Set, direction is inaccurate or three staples column are dissatisfied and needs to adjust, extract original guide pin and squeeze into guide pin again again, due to previous The secondary guide pin squeezed into has been pumped out so that it is rear can not know when once squeezing into guide pin again before once squeeze into guide pin position or It with the degree of correct position offset, is easy to appear when once having an injection again after causing and deviates again, so generally requiring to carry out more Secondary adjustment, this not only expends operating time, increases operation wound, increases medical care, patient by x-ray radiation injury.

Utility model content

In view of this, the purpose of the utility model is to provide a kind of structure novel, it is easy to use to be used for fracture of neck of femur Fixed guider, avoids the occurrence of the problem of repeatedly having an injection position deviation in open reduction hollow nail.

The utility model is realized using following scheme: a kind of to lead for fixed in fracture of neck of femur open reduction hollow nail To device, including handle, handle upper end is provided with the positioning handle of hook solid, and the handle lower end is provided with to wear leading for guide pin To axis, offered on the guiding axis multiple under the setting of guiding axis axial direction and the guiding duct to wear guide pin, positioning handle Holding has the location hook turned to guiding axis, and positioning handle lower end, which also has, turns with location hook to opposite guiding hook, the guiding Hook is located on the axial line in guiding axis centre pilot duct.

Further, the one of guiding duct in the guiding duct on the guiding axis is located at guiding axis center, remaining is led The periphery that at least one circle is centrally located guiding duct is formed to duct, every circle was oriented to the multiple that the quantity in duct is 3 and along week To uniformly.

Further, the positioning handle lower end offer be located at guiding hook on the upside of location hole, location hole axial line with The axial line in guiding axis centre pilot duct is overlapped so that described in the guide pin end insertion passed through as guiding axis centre pilot duct In location hole；Guiding axis has the groove of indent towards location hook one end end in bullet-shaped and this end end face.

Further, the handle is L-shaped, the positioning handle be connected with handle one end insertion handle laterally portion In inner hole and portion side can be provided with the lock-screw A to locking positioning handle with respect to its telescopic slide, the transverse direction of handle.

Further, handle lower end is provided with the guide sleeve to wear guiding axis, the guide sleeve axial line and guiding Axis axial line is overlapped, and the guiding axis can be oppositely oriented set rotation or sliding, and guide sleeve side is provided with to lock guiding axis Lock-screw B.

Compared with prior art, the utility model has the following beneficial effects: the utility model is cut for fracture of neck of femur It opens and resets guide structure novelty fixed in hollow nail, design is rationally, easy to use, and it is more accurate to be oriented to；It can be faster It finds correct position accurately, reduces number of having an injection, reduce to the implantation difficulty of guide pin, avoid the occurrence of position deviation of repeatedly having an injection Problem protects doctor and patient, increases operation safety.

For the purpose of this utility model, technical solution and advantage is more clearly understood, specific embodiment will be passed through below And relevant drawings, the utility model is described in further detail.

Detailed description of the invention

Fig. 1 is the utility model embodiment organigram；

Fig. 2 is guiding axis organigram in the utility model embodiment；

Fig. 3 is the left view of Fig. 2；

Figure label explanation: 100- handle, 110- lock-screw A, 120- guide sleeve, 130- lock-screw B, 200- positioning Handle, 210- location hook, 220- guiding hook, 230- location hole, 300- guide pin, 400- guiding axis, 410- guiding duct, 420- are recessed Slot.

Specific embodiment

It is a kind of for guider fixed in fracture of neck of femur open reduction hollow nail, including handle as shown in Fig. 1 ~ 3 100,100 upper end of handle is provided with the positioning handle 200 of hook solid, and 100 lower end of handle is provided with to wear guide pin 300 Guiding axis 400 offers on the guiding axis 400 multiple along the axial setting of guiding axis 400 and the pilot hole to wear guide pin Road 410,200 lower end of positioning handle have the location hook 210 turned to guiding axis 400, and 200 lower end of positioning handle also has and location hook 210 turn to opposite guiding hook 220, and the guiding hook is located on the axial line in guiding axis centre pilot duct；Handle and positioning Handle type archwise increases guiding hook 220, plays the role of direction, and indicate guide pin goes out needle angle, so that guiding is more accurate； Open up multiple guiding ducts to wear guide pin on guiding axis simultaneously, the guide pin position squeezed at first not clock synchronization, with On the basis of the guide pin squeezed into, according to the distance of offset, other suitable guiding duct is selected to continue to squeeze into guide pin, it is ensured that the The secondary guide pin position squeezed into is accurate, and after squeezing into the guide pin of correct position, and first guide pin is extracted out；It is possible thereby to keep away Exempt to duplicate the problem of repeatedly having an injection position deviation.

In the present embodiment, the one of guiding duct in the guiding duct 410 on the guiding axis 400 is located in guiding axis The heart, remaining guiding duct form the periphery that at least one circle is centrally located guiding duct, times that the quantity in every circle guiding duct is 3 It counts and is evenly distributed, so that every circle pilot hole road is 3 arrangement pilot holes in equilateral triangle at least one set, every group Road, in this way arrangement are three guide pins in the arrangement of equilateral triangle shape in order to get.

200 lower end of positioning handle offer be located at guiding hook on the upside of location hole 230,230 axial line of location hole with The axial line in guiding axis centre pilot duct is overlapped so as to be inserted by the guide pin end that centre pilot duct on guiding axis 400 passes through In the location hole 230, guiding axis has the groove of indent towards location hook one end end in bullet-shaped and this end end face, Guider front end is allowed in this way and forms a more sharp keen edge, is conducive to propulsion of the guiding axis in soft tissue, reaches bone It can also be withstood on bone face behind face and be not easy to slip；Be conducive to push open after guiding axis enters from notch in the guiding axis of bullet-shaped Soft tissue goes directly bone face；First guide pin squeezed into is penetrated from center pilot hole road, and then guide pin is inserted into location hole 230, Avoid the occurrence of offset；When only needing to squeeze into a guide pin, selection is squeezed into from center pilot hole road first, if position is not right, then with On the basis of the guide pin at center, guide pin is in addition squeezed into；When if desired squeezing into more guide pins, selection is beaten from center pilot hole road first Enter, then using the guide pin at center as midpoint, in addition squeezes into remaining guide pin.

In the present embodiment, the handle 100 is L-shaped, the positioning handle 200 be connected with handle one end insertion handle Laterally in portion's inner hole and can be with respect to its telescopic slide, but do not relatively rotate, if can rotate, guide function is just not Quasi-, while sliding, the guiding hook direction on positioning handle remains unchanged, and the transverse direction of handle is provided with portion side to lock The lock-screw A110 of tight positioning handle, after unclamping lock-screw A, can by sliding positioning handle 200, positioning handle working end with lead To the distance between axis, lock-screw A is tightened after adjusting.

In the present embodiment, 100 lower end of handle is provided with the guide sleeve 120 to wear guiding axis 400, the guide sleeve Axial line is overlapped with guiding axis axial line, and the guiding axis can be oppositely oriented set rotation or sliding, and the setting of guide sleeve side is useful To lock the lock-screw B130 of guiding axis.

Above-listed preferred embodiment has been further described the purpose of this utility model, technical solution and advantage, It should be understood that the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical Within novel protection scope.

Claims (5)

1. a kind of for guider fixed in fracture of neck of femur open reduction hollow nail, it is characterised in that: including handle, handle Upper end is provided with the positioning handle of hook solid, and the handle lower end is provided with the guiding axis to wear guide pin, on the guiding axis Offer it is multiple along guiding axis axially setting and the guiding duct to wear guide pin, positioning handle lower end have turns to guiding axis Location hook, positioning handle lower end, which also has, turns with location hook to opposite guiding hook, and the guiding hook, which is located at guiding axis center, leads To on the axial line in duct.

2. according to claim 1 for guider fixed in fracture of neck of femur open reduction hollow nail, feature exists In: the one of guiding duct in guiding duct on the guiding axis is located at guiding axis center, remaining guiding duct is formed at least One circle is centrally located the periphery in guiding duct, and the multiple that the quantity in every circle guiding duct is 3 is simultaneously evenly distributed.

3. according to claim 1 for guider fixed in fracture of neck of femur open reduction hollow nail, feature exists In: the positioning handle lower end offers the location hole being located on the upside of guiding hook, location hole axial line and guiding axis centre pilot The axial line in duct is overlapped so as to be inserted into the location hole by the guide pin end that guiding axis centre pilot duct passes through；Guiding axis There is towards location hook one end end in bullet-shaped and this end end face the groove of indent.

4. according to claim 1 for guider fixed in fracture of neck of femur open reduction hollow nail, feature exists In: the handle is L-shaped, the positioning handle be connected with handle one end insertion handle laterally in portion's inner hole and can be opposite The transverse direction of its telescopic slide, handle is provided with portion side the lock-screw A to locking positioning handle.

5. according to claim 1 for guider fixed in fracture of neck of femur open reduction hollow nail, feature exists In: handle lower end is provided with the guide sleeve to wear guiding axis, and the guide sleeve axial line is overlapped with guiding axis axial line, institute Set rotation or sliding can be oppositely oriented by stating guiding axis, and guide sleeve side is provided with the lock-screw B to lock guiding axis.