CN206044716U - PFN lead body outside fix device - Google Patents
PFN lead body outside fix device Download PDFInfo
- Publication number
- CN206044716U CN206044716U CN201620416924.4U CN201620416924U CN206044716U CN 206044716 U CN206044716 U CN 206044716U CN 201620416924 U CN201620416924 U CN 201620416924U CN 206044716 U CN206044716 U CN 206044716U
- Authority
- CN
- China
- Prior art keywords
- connecting shaft
- pfn
- lead body
- body outside
- outside fix
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
This utility model is related to a kind of PFN lead body outside fix device, belongs to technical field of medical instruments.The localizer of the utility model, including indicate needle part and base fixed component；The base fixed component includes the first connecting shaft and the second connecting shaft；First connecting shaft is arc shaft, and its two ends is fixedly connected in second connecting shaft；The second connecting shaft two ends are respectively arranged with the gripper clamp being connected with its end axis, control the opening and closure of the gripper clamp peristome by second connecting shaft；The instruction needle part is connected with first connecting shaft by the axle connection member being generally aligned in the same plane with which and hard is connected, and can relative movement.Using localizer of the present utility model, the particular location beaten to guide pin in femoral head can specifically be positioned, facilitate implementation and guide pin is squeezed into into the preferable position of femoral head disposably, repeatable operation can be avoided to damage bone structure, the mortality of postoperative interior fixation is reduced, x-ray exposure of the doctor in art can be also reduced.
Description
Technical field
This utility model is new to be related to technical field of medical treatment mechanical, more particularly to a kind of to be used for intertrochanteric fracture reparation
Locating apparatus in operation, specifically refer to a kind of PFN lead body outside fix device.
Background technology
Aging society is entered as I crosses, aging population are more and more, Therapy of Elder Hip Fracture (neck of femur, femoral trochanter
Between fracture) incidence rate also rise year by year.Femoral intertrochanteric fractures of aged patients is with its high fatality rate, high disability rate, high failure rate, right
Old man causes heavy personal and family burden, is one of most important public health problem that current orthopaedics faces.
To femoral intertrochanteric fractures of aged patients, the reduction fixation fractured is still the Main Means of clinical treatment.Nearly 10
For many years, PFN (PFNA is followed closely, Gamma nails etc.) is with operation, minimally invasive closure insertion, mechanics under external guider
The advantages of good stability, clinically in obtain a wide range of applications, be increasingly becoming treatment femoral intertrochanteric fractures of aged patients master
Stream.
However, due to lacking external positioner, being generally difficult under the perspective of hip joint side position in art disposable that guide pin is accurate
Femoral head central authorities preferably position is really squeezed into, in order to adjust repeatable operation in the art of side position guide pin position, is not only broken up in femoral head
Bone structure, and increase the X-ray exposure amount of operating time and medical care patient.
Therefore, the accurate location device in a kind of prosthesis for intertrochanteric fracture how is provided to improve operation
Efficiency becomes this area problem demanding prompt solution.
Utility model content
The purpose of this utility model is to overcome above-mentioned shortcoming of the prior art, there is provided a kind of to be used for femoral intertrochanteric bone
External accurate location device in folding prosthesis so that in the fixed operation of intertrochanteric fracture head marrow nail, in C arm machine hip
Under the perspective of articular side position, the particular location beaten to guide pin in femoral head can be specifically positioned using the positioner, in order to one
Guide pin is squeezed into the preferable position of femoral head by secondary property.
In order to realize above-mentioned purpose, a kind of PFN lead body outside fix device of the present utility model has
Hereinafter construct：Including instruction needle part and base fixed component；The base fixed component includes that the first connecting shaft and second connects
Spindle；First connecting shaft is arc shaft, and its two ends is fixedly connected in second connecting shaft；Second connecting shaft two
End is respectively arranged with gripper clamp, and the gripper clamp is connected with the second connecting shaft end axis, is controlled by second connecting shaft
The opening and closure of the gripper clamp peristome；The instruction needle part is connected with first connecting shaft by axle connection member
Connect, and can move relative to first connecting shaft；The instruction needle part is generally aligned in the same plane interior with the axle connection member
And hard connection.
As further improvement of the utility model, in the PFN lead body outside fix device, the clamping
Pincers are provided with fixing bolt, for adjusting and fixing the tightness of the gripper clamp.
As further improvement of the utility model, in the PFN lead body outside fix device, the instruction
Needle part includes center indicator and along two pieces of symmetrical eccentric indicators of the center indicator；Three pieces of indicator positions position
In same plane and described three pieces indicate the connection of Aculeata hard.
As further improvement of the utility model, in the PFN lead body outside fix device, the instruction
Needle part is located at the eccentric indicator of the axle connection member side with the junction of the axle connection member.
As further improvement of the utility model, in the PFN lead body outside fix device, the bias
Angle between indicator and the center indicator is 10 ° to 20 °.
As further improvement of the utility model, in the PFN lead body outside fix device, the bias
Angle between indicator and the center indicator is 15 °.
As further improvement of the utility model, in the PFN lead body outside fix device, each finger
Show pin for Kirschner wire, a diameter of 2mm.
As further improvement of the utility model, in the PFN lead body outside fix device, the axle connects
Relay part is rotatable bolt mechanism；The rotatable bolt mechanism includes guiding trestle and through the adjustable of the guiding trestle
Section bolt, the guiding trestle can be moved relative to the first connecting shaft, and the adjustable bolt is used to lock the guiding trestle
In the relative position of first connecting shaft.
Localizer of the present utility model can disinfection with high pressure steam, used in facilitating art.
In the fixed operation of intertrochanteric fracture head marrow nail, whole external localizer is fixed by base fixed component
On the caster assembly therefor of near end of thighbone head marrow nail, its fixing point is usually the lower greater trochanter summit of C-arm X-ray machine side position perspective and is leading
To the launching position of handle；Under the neck of femur side position perspective of C-arm fluoroscopic machine standard, beaten to stock by indicator positioning parts
The particular location of guide pin in bone, in order to guide pin is squeezed into the preferable position of femoral head disposably, you can avoid repeatable operation
Bone structure is damaged, the mortality of postoperative interior fixation is reduced, can also be reduced x-ray exposure of the doctor in art.
Description of the drawings
Fig. 1 is PFN lead body outside fix device structural representation of the present utility model.
Specific embodiment
In order to be more clearly understood that technology contents of the present utility model, describe in detail especially exemplified by following examples.
In one embodiment, as shown in figure 1, a kind of PFN lead body outside fix of the present utility model
Device 100, with following construction：Including instruction needle part 1 and base fixed component 2；The base fixed component 2 includes the first company
Spindle 21 and the second connecting shaft 22；First connecting shaft 21 is arc shaft, and its two ends is fixedly connected on second connecting shaft
On 22；Second connecting shaft, 22 two ends are respectively arranged with gripper clamp 24, the gripper clamp 24 and 22 end of the second connecting shaft
Portion's axle connection, controls the opening and closure of 24 peristome of the gripper clamp by second connecting shaft 22；The instruction needle part 1
It is connected with first connecting shaft 21 by axle connection member 23, and can be moved relative to first connecting shaft 21；The finger
Show that needle part 1 is generally aligned in the same plane interior and hard with the axle connection member 23 and is connected.
In further preferred embodiment, in the PFN lead body outside fix device 100, the clamping
Pincers 24 are provided with fixing bolt 25, for adjusting and fixing the tightness of the gripper clamp 24.
In further preferred embodiment, in the PFN lead body outside fix device 100, the instruction
Needle part 1 includes center indicator 11 and along two pieces of symmetrical eccentric indicators 12,13 of the center indicator；Three pieces of fingers
Show that pin 11,12,13 is generally aligned in the same plane and three pieces of indicators, 11,12,13 afterbody hard connection.
In further preferred embodiment, in the PFN lead body outside fix device 100, the instruction
Needle part 1 is located at the eccentric indicator 13 near 23 side of axle connection member with the junction of the axle connection member 23
Place.
In further preferred embodiment, in the PFN lead body outside fix device 100, the bias
Angle between indicator 12,13 and the center indicator 11 is 10 ° to 20 °.
In further preferred embodiment, in the PFN lead body outside fix device 100, the bias
Angle between indicator 12,13 and the center indicator 11 is 15 °.
In further preferred embodiment, in the PFN lead body outside fix device 100, each finger
Show pin 11,12,13 for Kirschner wire, a diameter of 2mm.
In further preferred embodiment, in the PFN lead body outside fix device 100, the axle connects
Relay part 23 is rotatable bolt mechanism, and the rotatable bolt mechanism includes guiding trestle 231 and through the guiding trestle
The adjustable bolt 232 of 231 bodies, the guiding trestle 231 can be moved relative to the first connecting shaft 21, the adjustable bolt
232 are used to lock relative position of the guiding trestle 231 in first connecting shaft 21.
In further preferred embodiment, in the PFN lead body outside fix device 100, the instruction
1 material of needle part is rustless steel or titanium alloy material.
In further preferred embodiment, in the PFN lead body outside fix device 100, the base
2 material of fixed component is high density polyethylene or ceramic material.
In the fixed operation of intertrochanteric fracture head marrow nail, whole external localizer is fixed by base fixed component
On the caster assembly therefor of near end of thighbone head marrow nail, its fixing point is usually the lower greater trochanter summit of C-arm X-ray machine side position perspective and is leading
To the launching position of handle；Under the neck of femur side position perspective of C-arm fluoroscopic machine standard, needle part phase bits are indicated by adjusting
The particular location that positioning beats the guide pin into femoral head is put, in order to guide pin is squeezed into the preferable position of femoral head disposably, you can
Avoid repeatable operation from damaging bone structure, reduce the mortality of postoperative interior fixation, can also reduce x-ray exposure of the doctor in art.
Localizer of the present utility model is lighter, and can disinfection with high pressure steam, used in facilitating art.
In this description, this utility model is described with reference to its specific embodiment.But it is clear that still can be with
Various modification can be adapted and conversion is without departing from spirit and scope of the present utility model.Therefore, specification and drawings are considered as
It is illustrative and not restrictive.
Claims (8)
1. a kind of PFN lead body outside fix device, it is characterised in that including indicating needle part and base fixed part
Part；The base fixed component includes the first connecting shaft and the second connecting shaft；First connecting shaft is arc shaft, and its two ends is admittedly
Surely it is connected in second connecting shaft；The second connecting shaft two ends are respectively arranged with gripper clamp, the gripper clamp with it is described
Second connecting shaft end axis connect, and control the opening and closure of the gripper clamp peristome by second connecting shaft；The finger
Show that needle part is connected with first connecting shaft by axle connection member, and can move relative to first connecting shaft；It is described
Indicate that needle part is generally aligned in the same plane interior and hard with the axle connection member and is connected.
2. PFN lead body outside fix device according to claim 1, it is characterised in that on the gripper clamp
Fixing bolt is provided with, for adjusting and fixing the tightness of the gripper clamp.
3. PFN lead body outside fix device according to claim 1 and 2, it is characterised in that the instruction
Needle part includes center indicator and along two pieces of symmetrical eccentric indicators of the center indicator；Three pieces of indicator positions position
In same plane and described three pieces indicate the connection of Aculeata hard.
4. PFN lead body outside fix device according to claim 3, it is characterised in that the indicator portion
Part is located at the eccentric indicator of the axle connection member side with the junction of the axle connection member.
5. PFN lead body outside fix device according to claim 3, it is characterised in that described eccentric to indicate
Angle between pin and the center indicator is 10 ° to 20 °.
6. PFN lead body outside fix device according to claim 5, it is characterised in that described eccentric to indicate
Angle between pin and the center indicator is 15 °.
7. PFN lead body outside fix device according to claim 3, it is characterised in that each indicator
For Kirschner wire, a diameter of 2mm.
8. PFN lead body outside fix device according to claim 1 and 2, it is characterised in that the axle connects
Relay part is rotatable bolt mechanism；The rotatable bolt mechanism includes guiding trestle and through the adjustable of the guiding trestle
Section bolt, the guiding trestle can be moved relative to the first connecting shaft, and the adjustable bolt is used to lock the guiding trestle
In the relative position of first connecting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620416924.4U CN206044716U (en) | 2016-05-10 | 2016-05-10 | PFN lead body outside fix device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620416924.4U CN206044716U (en) | 2016-05-10 | 2016-05-10 | PFN lead body outside fix device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206044716U true CN206044716U (en) | 2017-03-29 |
Family
ID=58372902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620416924.4U Withdrawn - After Issue CN206044716U (en) | 2016-05-10 | 2016-05-10 | PFN lead body outside fix device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206044716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105943152A (en) * | 2016-05-10 | 2016-09-21 | 上海市杨浦区中心医院 | Proximal femoral nail guide pin in vitro locator |
-
2016
- 2016-05-10 CN CN201620416924.4U patent/CN206044716U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105943152A (en) * | 2016-05-10 | 2016-09-21 | 上海市杨浦区中心医院 | Proximal femoral nail guide pin in vitro locator |
| CN105943152B (en) * | 2016-05-10 | 2019-02-01 | 上海市杨浦区中心医院 | The outer locator of proximal femoral nail lead body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170329 Effective date of abandoning: 20190201 |