CN105943152B - The outer locator of proximal femoral nail lead body - Google Patents
The outer locator of proximal femoral nail lead body Download PDFInfo
- Publication number
- CN105943152B CN105943152B CN201610304327.7A CN201610304327A CN105943152B CN 105943152 B CN105943152 B CN 105943152B CN 201610304327 A CN201610304327 A CN 201610304327A CN 105943152 B CN105943152 B CN 105943152B
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- CN
- China
- Prior art keywords
- connecting shaft
- lead body
- proximal femoral
- femoral nail
- axis connection
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- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The present invention relates to locators outside a kind of proximal femoral nail lead body, belong to the field of medical instrument technology.The locator of the invention, including instruction needle part and pedestal fixation member；The pedestal fixation member includes the first connecting shaft and the second connecting shaft；First connecting shaft is arc shaft, and both ends are fixedly connected in second connecting shaft；The second connecting shaft both ends are respectively arranged with the gripper clamp with its end axis connection, and the opening and closing of the gripper clamp opening portion are controlled by second connecting shaft；The instruction needle part can be relatively moved by being generally aligned in the same plane with it and axis connection component that hard is connect with this first connect axis connection.Using locator of the invention, the specific location for beating the guide pin into femoral head can be specifically positioned, is easy to implement and guide pin is disposably squeezed into the ideal position of femoral head, that is, can avoid operation damage bone structure repeatedly, the failure rate for reducing postoperative interior fixation can also reduce x-ray exposure of the doctor in art.
Description
Technical field
The present invention is novel to be related to technical field of medical treatment mechanical, in particular to a kind of to be used for intertrochanteric fracture prosthesis
In the outer locator of locating apparatus, in particular to a kind of proximal femoral nail lead body.
Background technique
As I crosses into aging society, elderly population are more and more, Therapy of Elder Hip Fracture (neck of femur, femoral trochanter
Between fracture) incidence also rise year by year.Femoral intertrochanteric fractures of aged patients is right with its high lethality rate, high disability rate, high failure rate
Old man causes heavy individual and family burden, is one of the most important public health project 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, proximal femoral nail (PFNA nail, Gamma nail etc.) has operation under external guider, the insertion of minimally invasive closure, mechanics
The advantages that stability is good, clinically in have been widely used, be increasingly becoming treatment femoral intertrochanteric fractures of aged patients master
Stream.
However, being generally difficult to disposably under the perspective of hip joint side position by guide pin standard in art due to lacking external positioning device
The ideal position in femoral head center is really squeezed into, operates, not only breaks up in femoral head repeatedly in order to adjust in the art of side position guide pin position
Bone structure, and increase operating time and medical care patient X-ray exposure amount.
Therefore, a kind of accurate location device in intertrochanteric fracture prosthesis how is provided to improve operation
Efficiency becomes this field urgent problem to be solved.
Summary of the invention
The purpose of the present invention is overcome it is above-mentioned in the prior art the shortcomings that, provide and a kind of repaired for intertrochanteric fracture
External accurate location device in multiple operation, so that being followed closely in fixed operation in intertrochanteric fracture head marrow, in C arm machine hip joint
Under the perspective of side position, the specific location for beating the guide pin into femoral head can be positioned, specifically using the positioning device in order to disposable
Guide pin is squeezed into the ideal position of femoral head.
In order to achieve the above purpose, the outer locator of a kind of proximal femoral nail lead body of the invention, has following
Construction: including instruction needle part and pedestal fixation member；The pedestal fixation member includes the first connecting shaft and the second connecting shaft；
First connecting shaft is arc shaft, and both ends are fixedly connected in second connecting shaft；Second connecting shaft both ends point
It is not provided with gripper clamp, the gripper clamp and the second connecting shaft end axis connection, as described in second connecting shaft control
The opening and closing of gripper clamp opening portion；The instruction needle part connect axis connection with described first by axis connection component, and
It can be mobile relative to first connecting shaft；The instruction needle part and the axis connection component are in the same plane and hard
Connection.
As a further improvement of the present invention, in the outer locator of the proximal femoral nail lead body, on the gripper clamp
Equipped with fixing bolt, for adjusting and fixing the tightness of the gripper clamp.
As a further improvement of the present invention, in the outer locator of the proximal femoral nail lead body, the indicator portion
Part includes center indicator and along symmetrical two pieces eccentric indicators of the center indicator；Three pieces of indicator positions are located at same
One plane and three pieces of instruction Aculeata hard connection.
As a further improvement of the present invention, in the outer locator of the proximal femoral nail lead body, the indicator portion
The junction of part and the axis connection component is located at the eccentric indicator of axis connection component side.
As a further improvement of the present invention, in the outer locator of the proximal femoral nail lead body, the eccentric instruction
Angle between needle and the center indicator is 10 ° to 20 °.
As a further improvement of the present invention, in the outer locator of the proximal femoral nail lead body, the eccentric instruction
Angle between needle and the center indicator is 15 °.
As a further improvement of the present invention, in the outer locator of the proximal femoral nail lead body, each indicator
For Kirschner wire, diameter 2mm.
As a further improvement of the present invention, in the outer locator of the proximal femoral nail lead body, the axis connection portion
Part is that can be rotated bolt mechanism；The bolt mechanism that can be rotated includes guiding trestle and the adjustable spiral shell through the guiding trestle
Bolt, the guiding trestle can be mobile relative to the first connecting shaft, and the adjustable bolt is for locking the guiding trestle in institute
State the relative position of the first connecting shaft.
As a further improvement of the present invention, in the outer locator of the proximal femoral nail lead body, the indicator portion
Part material is stainless steel or titanium alloy material.
As a further improvement of the present invention, in the outer locator of the proximal femoral nail lead body, the pedestal is fixed
Component material is high density polyethylene or ceramic material.
Locator of the invention can disinfection with high pressure steam, facilitate in art and use.
It follows closely in fixed operation in intertrochanteric fracture head marrow, is fixed entire external locator by pedestal fixation member
On the caster assembly therefor of near end of thighbone head marrow nail, fixed point is usually that the C-arm X-ray machine side position lower greater trochanter vertex of perspective is being led
To the launching position of handle；Under the perspective of the neck of femur side of C-arm fluoroscopic machine standard position, beaten by indicator positioning parts to stock
The specific location of guide pin in bone can avoid operating repeatedly in order to which guide pin is disposably squeezed into the ideal position of femoral head
Bone structure is damaged, the failure rate of postoperative interior fixation is reduced, x-ray exposure of the doctor in art can also be reduced.
Detailed description of the invention
Fig. 1 is the outer locator structure schematic diagram of proximal femoral nail lead body of the invention.
Specific embodiment
In order to be more clearly understood that technology contents of the invention, spy lifts following embodiment and is described in detail.
In one embodiment, as shown in Figure 1, a kind of outer locator of proximal femoral nail lead body of the invention
100, there is following construction: including instruction needle part 1 and pedestal fixation member 2；The pedestal fixation member 2 includes the first connection
Axis 21 and the second connecting shaft 22；First connecting shaft 21 is arc shaft, and both ends are fixedly connected on second connecting shaft 22
On；Second connecting shaft, 22 both ends are respectively arranged with gripper clamp 24, the gripper clamp 24 and 22 end of the second connecting shaft
Axis connection is controlled the opening and closing of 24 opening portion of gripper clamp by second connecting shaft 22；The instruction needle part 1 is logical
It crosses axis connection component 23 to connect with first connecting shaft 21, and can be mobile relative to first connecting shaft 21；The instruction
Needle part 1 is in the same plane with the axis connection component 23 and hard is connect.
In further preferred embodiment, in the outer locator 100 of the proximal femoral nail lead body, the clamping
Pincers 24 are equipped with fixing bolt 25, for adjusting and fixing the tightness of the gripper clamp 24.
In further preferred embodiment, in the outer locator 100 of the proximal femoral nail lead body, the instruction
Needle part 1 is including center indicator 11 and along symmetrical two pieces of the center indicator eccentric indicators 12,13；Three pieces of fingers
Show that needle 11,12,13 is generally aligned in the same plane and three pieces of indicators, 11,12, the 13 tail portion hard connects.
In further preferred embodiment, in the outer locator 100 of the proximal femoral nail lead body, the instruction
The junction of needle part 1 and the axis connection component 23 is located at the eccentric indicator 13 close to 23 side of axis connection component
Place.
In further preferred embodiment, in the outer locator 100 of the proximal femoral nail lead body, the bias
Angle between indicator 12,13 and the center indicator 11 is 10 ° to 20 °.
In further preferred embodiment, in the outer locator 100 of the proximal femoral nail lead body, the bias
Angle between indicator 12,13 and the center indicator 11 is 15 °.
In further preferred embodiment, in the outer locator 100 of the proximal femoral nail lead body, each finger
Show that needle 11,12,13 is Kirschner wire, diameter 2mm.
In further preferred embodiment, in the outer locator 100 of the proximal femoral nail lead body, the axis connects
Relay part 23 is that can be rotated bolt mechanism, and the bolt mechanism that can be rotated includes guiding trestle 231 and through the guiding trestle
The adjustable bolt 232 of 231 ontologies, the guiding trestle 231 can be mobile relative to the first connecting shaft 21, the adjustable bolt
232 for locking the guiding trestle 231 in the relative position of first connecting shaft 21.
In further preferred embodiment, in the outer locator 100 of the proximal femoral nail lead body, the instruction
1 material of needle part is stainless steel or titanium alloy material.
In further preferred embodiment, in the outer locator 100 of the proximal femoral nail lead body, the pedestal
2 material of fixation member is high density polyethylene or ceramic material.
It follows closely in fixed operation in intertrochanteric fracture head marrow, is fixed entire external locator by pedestal fixation member
On the caster assembly therefor of near end of thighbone head marrow nail, fixed point is usually that the C-arm X-ray machine side position lower greater trochanter vertex of perspective is being led
To the launching position of handle；Under the perspective of the neck of femur side of C-arm fluoroscopic machine standard position, needle part phase bits are indicated by adjusting
The specific location that the guide pin into femoral head is beaten in positioning is set, in order to which guide pin is disposably squeezed into the ideal position of femoral head
It avoids operating damage bone structure repeatedly, reduces the failure rate of postoperative interior fixation, x-ray exposure of the doctor in art can also be reduced.
Locator of the invention is lighter, and can disinfection with high pressure steam, facilitate in art and use.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that can still make
Various modifications and alterations are without departing from the spirit and scope of the invention.Therefore, the description and the appended drawings should be considered as illustrative
And not restrictive.
Claims (9)
1. a kind of outer locator of proximal femoral nail lead body, which is characterized in that including instruction needle part and pedestal fixed part
Part；The pedestal fixation member includes the first connecting shaft and the second connecting shaft；First connecting shaft is arc shaft, and both ends are solid
Surely it is connected in second connecting shaft；Second connecting shaft both ends are respectively arranged with gripper clamp, the gripper clamp with it is described
Second connecting shaft end axis connection is controlled the opening and closing of the gripper clamp opening portion by second connecting shaft；The finger
Show that needle part connect axis connection with described first by axis connection component, and can be mobile relative to first connecting shaft；It is described
Instruction needle part is in the same plane with the axis connection component and hard is connect, and the instruction needle part includes center instruction
Needle and along symmetrical two pieces eccentric indicators of the center indicator；Indicator described in three pieces is generally aligned in the same plane and three pieces of institutes
The instruction Aculeata hard connection stated.
2. the outer locator of proximal femoral nail lead body according to claim 1, which is characterized in that on the gripper clamp
Equipped with fixing bolt, for adjusting and fixing the tightness of the gripper clamp.
3. the outer locator of proximal femoral nail lead body according to claim 1, which is characterized in that the indicator portion
The junction of part and the axis connection component is located at the eccentric indicator of axis connection component side.
4. the outer locator of proximal femoral nail lead body according to claim 1, which is characterized in that the eccentric instruction
Angle between needle and the center indicator is 10 ° to 20 °.
5. the outer locator of proximal femoral nail lead body according to claim 4, which is characterized in that the eccentric instruction
Angle between needle and the center indicator is 15 °.
6. the outer locator of proximal femoral nail lead body according to claim 1, which is characterized in that each indicator
For Kirschner wire, diameter 2mm.
7. the outer locator of proximal femoral nail lead body according to claim 1 or 2, which is characterized in that the axis connects
Relay part is that can be rotated bolt mechanism；The bolt mechanism that can be rotated includes guiding trestle and through the adjustable of the guiding trestle
Bolt is saved, the guiding trestle can be mobile relative to the first connecting shaft, and the adjustable bolt is for locking the guiding trestle
In the relative position of first connecting shaft.
8. the outer locator of proximal femoral nail lead body according to claim 1, which is characterized in that the indicator portion
Part material is stainless steel or titanium alloy material.
9. the outer locator of proximal femoral nail lead body according to claim 1, which is characterized in that the pedestal is fixed
Component material is high density polyethylene or ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610304327.7A CN105943152B (en) | 2016-05-10 | 2016-05-10 | The outer locator of proximal femoral nail lead body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610304327.7A CN105943152B (en) | 2016-05-10 | 2016-05-10 | The outer locator of proximal femoral nail lead body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105943152A CN105943152A (en) | 2016-09-21 |
| CN105943152B true CN105943152B (en) | 2019-02-01 |
Family
ID=56915047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610304327.7A Active CN105943152B (en) | 2016-05-10 | 2016-05-10 | The outer locator of proximal femoral nail lead body |
Country Status (1)
| Country | Link |
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| CN (1) | CN105943152B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109157277B (en) * | 2018-08-09 | 2020-02-21 | 管志强 | Orthopedics is with fixed type kirschner wire direction of coplanar fixing device in advance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2272270Y (en) * | 1996-08-13 | 1998-01-14 | 滨州医学院附属医院 | Poitioning device for pneumocentesis |
| RU2197916C1 (en) * | 2001-10-10 | 2003-02-10 | Егоров Михаил Фёдорович | Device for introducing wires |
| CN201578374U (en) * | 2010-01-11 | 2010-09-15 | 吕田明 | Three-dimensional orientation device with real-time guiding function |
| CN204951173U (en) * | 2015-09-22 | 2016-01-13 | 广州爱锘德医疗器械有限公司 | Inserting needle guider |
| CN206044716U (en) * | 2016-05-10 | 2017-03-29 | 上海市杨浦区中心医院 | PFN lead body outside fix device |
-
2016
- 2016-05-10 CN CN201610304327.7A patent/CN105943152B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2272270Y (en) * | 1996-08-13 | 1998-01-14 | 滨州医学院附属医院 | Poitioning device for pneumocentesis |
| RU2197916C1 (en) * | 2001-10-10 | 2003-02-10 | Егоров Михаил Фёдорович | Device for introducing wires |
| CN201578374U (en) * | 2010-01-11 | 2010-09-15 | 吕田明 | Three-dimensional orientation device with real-time guiding function |
| CN204951173U (en) * | 2015-09-22 | 2016-01-13 | 广州爱锘德医疗器械有限公司 | Inserting needle guider |
| CN206044716U (en) * | 2016-05-10 | 2017-03-29 | 上海市杨浦区中心医院 | PFN lead body outside fix device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105943152A (en) | 2016-09-21 |
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