CN101822571A - Proximal femur dissection aiming device - Google Patents
Proximal femur dissection aiming device Download PDFInfo
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- CN101822571A CN101822571A CN 201010138781 CN201010138781A CN101822571A CN 101822571 A CN101822571 A CN 101822571A CN 201010138781 CN201010138781 CN 201010138781 CN 201010138781 A CN201010138781 A CN 201010138781A CN 101822571 A CN101822571 A CN 101822571A
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- China
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- substrate
- handle
- needle
- guide block
- aiming device
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Abstract
The invention discloses a proximal femur dissection aiming device, which comprises a substrate, a guide block and a handle. The substrate, the guide block and the handle are integrally cast or welded. The handle is fixed on the end part of the substrate. The guide block is fixed between the handle and the substrate, wherein an inclined angle alpha of the guide block and the plane of the substrate is 130 degrees and the guide block is provided with at least one needle passage along the axial direction of the guide block. The proximal femur dissection aiming device disclosed by the invention can accurately position a needle inlet point of a guide needle at the position parallel to the femur lesser trochanter and maintain 130 degrees of needle inlet angle of the guide needle, avoids the damage to blood supply of the bone at the femoral neck and femoral head parts due to unnecessary repeated needle insertion, has small operation wound, improves the fracture healing rate, has no specific equipment requirement in the operation, has low cost and a simple structure, is convenient to master, is easy to be popularized to primary hospitals and has no radiation injury.
Description
Technical field
The present invention relates to a kind of proximal femur dissection aiming device, belong to the medical apparatus technical field.
Background technology
At present, human society enters aging, and neck of femur and intertrochanteric fracture of the femur are old people's common frdquently encountered diseases.When clinical internal fixation treatment neck of femur or femur intertrochanteric fracture, all need insert the guide pin location earlier.Normally carry out guide pin and enter, all need adopt C arm machine to have an X-rayed behind each inserting needle and put in place, but Chang Yinqi entry point and top rake and collodiaphyseal angle grasp are bad, cause repeatedly inserting needle repeatedly to check whether guide pin enters with doctor's clinical experience.Therefore, on the one hand, because the repeated multiple times inserting needle brings unnecessary iatrogenic infringement to patient; On the other hand, because C arm machine itself costs an arm and a leg, be unfavorable for the popularization of basic hospital; On the one hand, when C arm machine was had an X-rayed, itself had radiation injury to human body again.
Summary of the invention
The object of the present invention is to provide a kind of proximal femur dissection aiming device, have accurate location entry point and keep needle angle, wound is little, cost is low, radiationless advantage.
Technical scheme of the present invention is, a kind of proximal femur dissection aiming device, comprise substrate, guide pad, handle, substrate, guide pad and handle adopt casting to connect or are welded as a whole, and described handle is fixed in the substrate end, and described guide pad is fixed between handle and the substrate, wherein, the angle α of guide pad and base plan is 130 degree, and wherein, guide pad has at least 1 along the axial needle track of guide pad.
In a preferred embodiment of the present invention, the other end with respect to the handle stiff end of described substrate is provided with the camber positioning chamber.
In a preferred embodiment of the present invention, described guide pad has 3 needle tracks.
The proximal femur dissection aiming device that the present invention discloses can accurately be positioned entry point the position that parallels with the little tuberosity of femur, has avoided bone blood that unnecessary repetition inserting needle caused for destroying, and operation wound is little, improves the union of fracture rate; And, with low cost, simple in structure, easily promote to basic hospital; And, radiationless injury.The defective of inserting needle difficulty when adopting this kind sight can solve for a long time to neck of femur and femoral bone tuberosity internal fixation operation.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the example structure sketch map of proximal femur dissection aiming device of the present invention;
Fig. 2 is the embodiment front view of proximal femur dissection aiming device of the present invention;
Fig. 3 is the embodiment upward view of proximal femur dissection aiming device of the present invention;
Fig. 4 is the embodiment side view of proximal femur dissection aiming device of the present invention.
The labelling of each parts is as follows in the accompanying drawing: 1, substrate, 2, guide pad, 3, handle, 4, needle track, 5, positioning chamber.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby protection scope of the present invention is made more explicit defining so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that.
Referring to accompanying drawing 1 and Fig. 2, Fig. 1 and Fig. 2 are respectively the embodiment schematic perspective view and the front views of proximal femur dissection aiming device, in the embodiment of the invention, sight comprises substrate 1, guide pad 2, handle 3, wherein, substrate 1, guide pad 2 and handle 3 adopt the method for welding to be connected as a single entity, and are apparently, and this place is stated sight and also can be adopted casting mode even to be connected as a single entity; Handle 3 is fixed in an end of substrate 1, guide pad 2 is fixed between handle 3 and the substrate 1, more particularly, on handle 3 and substrate 1, offer an installing hole (not shown) that is complementary with guide pad 2 shapes respectively, make guide pad be contained in this in the installing hole, adopt the method for welding that it is fixed between handle 3 and the substrate 1 obliquely simultaneously, need to prove, guide pad 2 can be 125～135 degree with substrate 1 plane included angle α, is that 130 degree are determined according to the essential structure of for many years clinical experience and state's human femur itself with the angle initialization of this angle α.As a preferential embodiment of present embodiment, the applicant preferentially is provided with this angle α 130 degree.
In addition, guide pad 2 has 3 along the axial needle track 4 of guide pad, why guide pad is offered 3 needle tracks, and its purpose is that the clinician can finely tune the inserting needle position according to actual needs, generally speaking, preferentially selects intermediary needle track as entry point.
Please continue to consult Fig. 2, Fig. 3 and Fig. 4, the other end with respect to handle 3 stiff ends of described substrate 1 is provided with camber positioning chamber 5, the shape of this positioning chamber and femoral greater trochanter shape are mated mutually, after in case positioning chamber is close to greater trochanter, the going out the pin position and will parallel of needle track with little tuberosity, in other words, the position that guide pin enters femur also is parallel to each other with little tuberosity, meet the requirement of clinical guide pin inserting needle position fully, thereby reach the purpose of an inserting needle.
Proximal femur dissection aiming device operating procedure of the present invention is as follows:
1, makes about 5 centimetres of a stringer operative incision in the greater trochanter below;
2, advance to reach near end of thighbone by level;
3, insert dissection aiming device along the near end of thighbone surface of bone, positioning chamber 5 is close to greater trochanter;
4, select needle track according to different situations, and in the needle track of choosing 4, carry out inserting needle, make guide pin become 130 degree angles to enter neck of femur along needle track and with femoral axis.
The proximal femur dissection aiming device that the present invention discloses, entry point accurately can be positioned the position that parallels with the little tuberosity of femur, avoided unnecessary femur neck that inserting needle caused repeatedly and femoral head sclerotin blood to supply to destroy, operation wound is little, improves the union of fracture rate; And with low cost, simple in structure, no especial equipment requirements is convenient to grasp in the operation, easily promotes to basic hospital; And radiationless injury.The inaccurate defective of inserting needle when adopting this kind sight can solve for a long time to neck of femur and femur intertrochanteric fracture internal fixation operation.
The above; it only is the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (3)
1. proximal femur dissection aiming device, it is characterized in that, comprise substrate, guide pad, handle, substrate, guide pad and handle adopt casting to connect or are welded as a whole, and described handle is fixed in the substrate end, and described guide pad is fixed between handle and the substrate, wherein, the angle α of guide pad and base plan is 130 degree, and wherein, guide pad has at least 1 along the axial needle track of guide pad.
2. proximal femur dissection aiming device according to claim 1 is characterized in that: the other end with respect to the handle stiff end of described substrate is provided with the camber positioning chamber.
3. proximal femur dissection aiming device according to claim 1 and 2 is characterized in that: described guide pad has 3 needle tracks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010138781 CN101822571A (en) | 2010-03-31 | 2010-03-31 | Proximal femur dissection aiming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010138781 CN101822571A (en) | 2010-03-31 | 2010-03-31 | Proximal femur dissection aiming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101822571A true CN101822571A (en) | 2010-09-08 |
Family
ID=42686883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010138781 Pending CN101822571A (en) | 2010-03-31 | 2010-03-31 | Proximal femur dissection aiming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101822571A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103110463A (en) * | 2013-03-01 | 2013-05-22 | 华北石油管理局总医院 | Femoral trochanter vertex pulp opening guider |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2638681Y (en) * | 2003-06-24 | 2004-09-08 | 中南大学湘雅医院 | Multi-screw location device for neck of femur |
| EP1273271B1 (en) * | 2001-07-02 | 2007-08-15 | Aesculap AG & Co. KG | Surgical instrument |
| CN201642303U (en) * | 2010-03-31 | 2010-11-24 | 常熟市第五人民医院 | Thighbone near-end dissection type sighting device |
-
2010
- 2010-03-31 CN CN 201010138781 patent/CN101822571A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1273271B1 (en) * | 2001-07-02 | 2007-08-15 | Aesculap AG & Co. KG | Surgical instrument |
| CN2638681Y (en) * | 2003-06-24 | 2004-09-08 | 中南大学湘雅医院 | Multi-screw location device for neck of femur |
| CN201642303U (en) * | 2010-03-31 | 2010-11-24 | 常熟市第五人民医院 | Thighbone near-end dissection type sighting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103110463A (en) * | 2013-03-01 | 2013-05-22 | 华北石油管理局总医院 | Femoral trochanter vertex pulp opening guider |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100908 |