CN206315130U - Neck of femur minimal invasion navigation template - Google Patents
Neck of femur minimal invasion navigation template Download PDFInfo
- Publication number
- CN206315130U CN206315130U CN201620936739.8U CN201620936739U CN206315130U CN 206315130 U CN206315130 U CN 206315130U CN 201620936739 U CN201620936739 U CN 201620936739U CN 206315130 U CN206315130 U CN 206315130U
- Authority
- CN
- China
- Prior art keywords
- guide holder
- geometrical clamp
- abutment sleeve
- abutment
- pin
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses neck of femur minimal invasion navigation template, including geometrical clamp and guide holder, provided with fixed pin on geometrical clamp, geometrical clamp is connected by universal regulator with guide holder, an abutment sleeve is vertically provided with the guide holder end close to geometrical clamp, two abutment sleeves are vertically provided with the guide holder end away from geometrical clamp, the distribution triangular in shape of three abutment sleeves, guide pin sleeve is inserted with every abutment sleeve, in the bottom for the abutment sleeve being provided close on the guide holder end of geometrical clamp provided with an external pilot pin of normotopia, the bottom of wherein one abutment sleeve in two abutment sleeves being disposed far from the guide holder end of geometrical clamp is provided with the external pilot pin in side position, the bottom of another abutment sleeve is provided with the external pilot pin of an external pilot pin of normotopia and side position, it is additionally provided with to adjust the position adjusting mechanism of distance between three abutment sleeves in guide holder.The utility model has the advantages that can external noninvasive precision navigation kirschner guide pin position.
Description
Technical field
The utility model is related to the neck of femur minimal invasion navigation template of bone surgery.
Background technology
Fracture of neck of femur is a kind of clinically common damage, wherein majority need to be threaded a needle by neck of femur technology carry out it is various
Operative treatment.The neck of femur method of wearing commonly used both at home and abroad at present has following several：（1）Direct-view method：Open capsular ligament, exposure femur
Head, neck, thread a needle under direct-view.The shortcoming of this method is that operation wound is big, and bleeding is more, and operating time is long, and postoperative function recovers slow,
Complication is more.（2）Empirical method：Femoral head and cervix portion is not exposed, is threaded a needle by rule of thumb.The shortcoming of this method is that positioning is rough, is worn
Pin mortality is high, and threading a needle repeatedly can cause operating time extension, damage to aggravate, and doctor and patient are completely exposed under ray, are endangered
Harmful doctor's and patient is healthy.
Utility model content
The purpose of this utility model is to provide the neck of femur that a kind of external noninvasive precision navigation of energy determines kirschner guide pin position
Minimal invasion navigation template.
To achieve the above object, the utility model employs following technical scheme：Described neck of femur minimal invasion navigation
Template, wherein：Including geometrical clamp and guide holder, it is provided with to be fixed on the fixation pin of near end of thighbone on geometrical clamp, it is fixed
Folder is connected by universal regulator with guide holder, and an abutment sleeve is vertically provided with the guide holder end close to geometrical clamp,
Two abutment sleeves, three abutment sleeves distribution triangular in shape, every are vertically provided with the guide holder end away from geometrical clamp
Guide pin sleeve is inserted with root abutment sleeve respectively, in the bottom for the abutment sleeve being disposed in proximity on the guide holder end of geometrical clamp
An external pilot pin of normotopia is provided with, its in two abutment sleeves on the guide holder end being arranged at away from geometrical clamp
In the bottom of an abutment sleeve be provided with the external pilot pin in side position, the bottom of another abutment sleeve be provided with one
The external pilot pin of the external pilot pin of normotopia and side position, is additionally provided with to adjust between three abutment sleeves in guide holder
The position adjusting mechanism of distance.
Further, foregoing neck of femur minimal invasion navigation template, wherein：The structure of the position adjusting mechanism is：
The first bar shaped pilot hole is provided with guide holder, two abutment sleeves that the guide holder end away from geometrical clamp is set are respectively provided with
It can move in the first bar shaped pilot hole and along the first bar shaped pilot hole, two set in the guide holder end away from geometrical clamp
Be provided with wherein one abutment sleeve outer wall in abutment sleeve positive pitch thread, be provided with another abutment sleeve outer wall it is anti-
Pitch thread, be movably set with guide holder can only radial rotating and simultaneously with away from geometrical clamp guide holder end set two
The first adjusting screw rod that root abutment sleeve phase screw thread coordinates, rotates the first adjusting screw rod, can make the guide holder end away from geometrical clamp
Two abutment sleeves that portion is set are close to each other or remote along the first bar shaped pilot hole；It is additionally provided with guide holder and first
Shape pilot hole is perpendicular and longitudinal axis passes through the second bar shaped pilot hole at the first bar shaped pilot hole center, close to geometrical clamp
The abutment sleeve that guide holder end is set is arranged in the second bar shaped pilot hole and can moved along the second bar shaped pilot hole,
External screw thread is provided with the outer wall of the abutment sleeve, second coordinated with the abutment sleeve phase screw thread is provided with guide holder and is adjusted
Screw rod is saved, the second adjusting screw rod is rotated, the abutment sleeve can be made to be moved along the second bar shaped pilot hole.
Further, foregoing neck of femur minimal invasion navigation template, wherein：Including two holders, two holders pass through
Clamping screw is mutually locked.
By the implementation of above-mentioned technical proposal, the beneficial effects of the utility model are：（1）External non-invasively determining kirschner guide pin
Position；（2）It is disposable accurately to insert kirschner guide pin, the destruction transported to neck of femur blood is reduced, caput femoris necrosis probability is reduced；
（3）Medical personnel can be avoided under ray；（4）Distance between the kirschner guide pin for inserting neck of femur can be adjusted, can be real
Existing individualized treatment；（5）It can realize that micro-incisions insert kirschner guide pin, embody minimally invasive principle.
Brief description of the drawings
Fig. 1 is the structural representation of neck of femur minimal invasion navigation template described in the utility model.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, described neck of femur minimal invasion navigation template, including geometrical clamp 1 and guide holder 2, in geometrical clamp 1
On be provided with to be fixed on the fixation pin 3 of near end of thighbone, geometrical clamp 1 is connected by universal regulator 4 with guide holder 2, by
An abutment sleeve 5 is vertically provided with the end of guide holder 2 of nearly geometrical clamp 1, is erected in the end of guide holder 2 away from geometrical clamp 1
To abutment sleeve 51 and abutment sleeve 52 is provided with, the distribution triangular in shape of three abutment sleeves is distinguished in every abutment sleeve
Guide pin sleeve is inserted with, i.e.,：Guide pin sleeve 6 is inserted with abutment sleeve 5, guide pin sleeve 61 is inserted with abutment sleeve 51, fixed
Guide pin sleeve 62 is inserted with the sleeve 52 of position, in the bottom for the abutment sleeve 5 being disposed in proximity on the end of guide holder 2 of geometrical clamp 1
The external pilot pin 7 of a normotopia is provided with, at the bottom for the abutment sleeve 51 being arranged on the end of guide holder 2 away from geometrical clamp 1
Portion is provided with the external pilot pin 8 in side position, the external pilot pin 71 and one of a normotopia is provided with the bottom of abutment sleeve 52
The external pilot pin 82 in root side position, the external pilot pin 7 of normotopia is located at the same side, side position body with the external pilot pin 71 of normotopia
Outside fix pin 8 is located at the same side with the external pilot pin 81 in side position, is additionally provided with to adjust three abutment sleeves in guide holder 2
Between distance position adjusting mechanism；In the present embodiment, the structure of the position adjusting mechanism is：Set in guide holder 1
There is the first bar shaped pilot hole 9, the abutment sleeve 51 and abutment sleeve 52 for being arranged at the end of guide holder 2 away from geometrical clamp 1 are all provided with
Put in the first bar shaped pilot hole 9 and can be moved along the first bar shaped pilot hole 9, on the outer wall of abutment sleeve 51 positive pitch thread,
Anti- pitch thread is provided with the outer wall of abutment sleeve 52, be movably set with guide holder 1 can only radial rotating and simultaneously with
The first adjusting screw rod 10 that abutment sleeve 51 and the phase screw thread of abutment sleeve 52 coordinate, rotates the first adjusting screw rod 10, can make positioning
Sleeve 51 is close to each other or remote along the first bar shaped pilot hole 9 with abutment sleeve 52；It is additionally provided with guide holder 1 and first
Shape pilot hole 9 is perpendicular and longitudinal axis is by the second bar shaped pilot hole 11 at the center of the first bar shaped pilot hole 9, abutment sleeve 5
It is arranged in the second bar shaped pilot hole 11 and can be moved along the second bar shaped pilot hole 11, is provided with the outer wall of abutment sleeve 5
External screw thread, is provided with the second adjusting screw rod 12 coordinated with the phase screw thread of abutment sleeve 5 in guide holder 2, rotates second and adjusts spiral shell
Bar 12, can be such that abutment sleeve 5 is moved along the second bar shaped pilot hole 11, above-mentioned position adjusting mechanism is simple in construction, install regulation side
Just；In the present embodiment, the structure of the geometrical clamp 1 is：Including two holders, two holders are mutually locked by clamping screw,
So by unscrewing clamping screw geometrical clamp 1 can be allow to be moved left and right along the fixation pin 3 for being fixed near end of thighbone, so that
The right position of guide holder 2 is adjusted；
Operation principle of the present utility model is as follows：
Fixed pin 3 is first fixed near end of thighbone, geometrical clamp 1 is then clamped into fixed pin 3, then positioned normotopia in vitro
The external pilot pin 71 of pin 7, normotopia, the external pilot pin 81 of the external pilot pin 8 in side position and side position are attached to big leg outer side where neck of femur
Skin on, then shoot neck of femur normotopia X-ray using C-arm X-ray machine, now the external pilot pin 7 of normotopia and normotopia are external
Pilot pin 71 can develop on neck of femur normotopia X-ray, aobvious on neck of femur normotopia X-ray by the external pilot pin 7 of normotopia
Shadow determines the normotopia position of abutment sleeve 5, by development of the external pilot pin 71 of normotopia on neck of femur normotopia X-ray come really
Determine the normotopia position of abutment sleeve 51 and abutment sleeve 52, then reuse C-arm X-ray machine and shoot neck of femur side position X-ray, this
When the external pilot pin 8 in side position and the external pilot pin 81 in side position can develop on the X-ray of neck of femur side position, pass through the external positioning in side position
The side position position developing determine abutment sleeve 51 of the pin 8 on the X-ray of neck of femur side position, is existed by the external pilot pin 81 in side position
The side position position for developing to determine abutment sleeve 52 on the X-ray of neck of femur side position, passes through the external pilot pin 8 in side position and side position body
Outside fix pin 81 calculates the side position position for obtaining abutment sleeve 5；By aforesaid operations, that is, it can determine that abutment sleeve 5, abutment sleeve
51 and abutment sleeve 52 whether in finally inserting the position of kirschner guide pin；When abutment sleeve 5, abutment sleeve 51 and abutment sleeve
52 when not inserting the position of kirschner guide pin finally, can be by unscrewing the clamping screw on geometrical clamp 1, by geometrical clamp 1 along admittedly
Determine pin 3 to move left and right, be adjusted, then may be used also come the right position to abutment sleeve 5, abutment sleeve 51 and abutment sleeve 52
It is undetermined so that the position of abutment sleeve 5, abutment sleeve 51 and abutment sleeve 52 to be further adjusted by universal regulator 4
When position sleeve 5, abutment sleeve 51 and abutment sleeve 52 are in the position for finally inserting kirschner guide pin, guide needle sleeve 6, guide pin set
Cylinder 61 and guide pin sleeve 62 squeeze into kirschner guide pin, so as to complete to insert neck of femur guide pin.The utility model has the advantages that：
（1）The position of external non-invasively determining kirschner guide pin；（2）Disposable accurately to insert kirschner guide pin, reduction is broken to neck of femur blood fortune
It is bad, reduce caput femoris necrosis probability；（3）Medical personnel can be avoided under ray；（4）It can adjust and insert neck of femur
Distance between kirschner guide pin, can realize individualized treatment；（5）It can realize that micro-incisions insert kirschner guide pin, embody minimally invasive principle.
Claims (3)
1. neck of femur minimal invasion navigation template, it is characterised in that：Including geometrical clamp and guide holder, use is provided with geometrical clamp
To be fixed on the fixation pin of near end of thighbone, geometrical clamp is connected by universal regulator with guide holder, in the guiding close to geometrical clamp
Seat end is vertically provided with an abutment sleeve, and two abutment sleeves are vertically provided with the guide holder end away from geometrical clamp,
The distribution triangular in shape of three abutment sleeves, is inserted with guide pin sleeve, is being disposed in proximity to geometrical clamp respectively in every abutment sleeve
Guide holder end on the bottom of abutment sleeve be provided with an external pilot pin of normotopia, be arranged at leading away from geometrical clamp
The bottom of wherein one abutment sleeve into two abutment sleeves on seat end be provided with the external pilot pin in side position,
The bottom of another abutment sleeve is provided with the external pilot pin of an external pilot pin of normotopia and side position, in guide holder also
It is provided with to adjust the position adjusting mechanism of distance between three abutment sleeves.
2. neck of femur minimal invasion navigation template according to claim 1, it is characterised in that：The position adjusting mechanism
Structure is：The first bar shaped pilot hole is provided with guide holder, two positioning sleeves that the guide holder end away from geometrical clamp is set
Cylinder is arranged in the first bar shaped pilot hole and can moved along the first bar shaped pilot hole, is set in the guide holder end away from geometrical clamp
Positive pitch thread is provided with wherein one abutment sleeve outer wall in two abutment sleeves put, on another abutment sleeve outer wall
Be provided with anti-pitch thread, be movably set with guide holder can only radial rotating and simultaneously with away from geometrical clamp guide holder end
The first adjusting screw rod that the two abutment sleeve phase screw threads set coordinate, rotates the first adjusting screw rod, can make away from geometrical clamp
Two abutment sleeves that guide holder end is set are close to each other or remote along the first bar shaped pilot hole；It is additionally provided with guide holder
With the first bar shaped pilot hole is perpendicular and longitudinal axis passes through the second bar shaped pilot hole at the first bar shaped pilot hole center, it is close
The abutment sleeve that the guide holder end of geometrical clamp is set is arranged in the second bar shaped pilot hole and can be oriented to along the second bar shaped
Hole is moved, and is provided with external screw thread on the outer wall of the abutment sleeve, is provided with and matches somebody with somebody with the abutment sleeve phase screw thread in guide holder
The second adjusting screw rod closed, rotates the second adjusting screw rod, the abutment sleeve can be made to be moved along the second bar shaped pilot hole.
3. neck of femur minimal invasion navigation template according to claim 1, it is characterised in that：The structure of the geometrical clamp
For：Including two holders, two holders are mutually locked by clamping screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620936739.8U CN206315130U (en) | 2016-08-25 | 2016-08-25 | Neck of femur minimal invasion navigation template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620936739.8U CN206315130U (en) | 2016-08-25 | 2016-08-25 | Neck of femur minimal invasion navigation template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206315130U true CN206315130U (en) | 2017-07-11 |
Family
ID=59262115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620936739.8U Expired - Fee Related CN206315130U (en) | 2016-08-25 | 2016-08-25 | Neck of femur minimal invasion navigation template |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206315130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110432970A (en) * | 2019-07-18 | 2019-11-12 | 杨淑野 | A kind of neck of femur Kirschner wire positioning adjustment system |
| CN111297460A (en) * | 2020-02-25 | 2020-06-19 | 扬州大学附属医院 | Femoral neck fracture percutaneous operation auxiliary device and using method thereof |
-
2016
- 2016-08-25 CN CN201620936739.8U patent/CN206315130U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110432970A (en) * | 2019-07-18 | 2019-11-12 | 杨淑野 | A kind of neck of femur Kirschner wire positioning adjustment system |
| CN111297460A (en) * | 2020-02-25 | 2020-06-19 | 扬州大学附属医院 | Femoral neck fracture percutaneous operation auxiliary device and using method thereof |
| CN111297460B (en) * | 2020-02-25 | 2021-03-09 | 扬州大学附属医院 | Femoral neck fracture percutaneous operation auxiliary device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 Termination date: 20190825 |