CN208769974U - A kind of directed navigation device for fixed merging interior in patellar fracture art - Google Patents
A kind of directed navigation device for fixed merging interior in patellar fracture art Download PDFInfo
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- CN208769974U CN208769974U CN201721795464.1U CN201721795464U CN208769974U CN 208769974 U CN208769974 U CN 208769974U CN 201721795464 U CN201721795464 U CN 201721795464U CN 208769974 U CN208769974 U CN 208769974U
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- China
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- adjustable column
- navigation device
- crotch
- cramping body
- patellar fracture
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Abstract
The utility model provides a kind of directed navigation device for fixed merging interior in patellar fracture art, belongs to the technical field of medical instrument.A kind of directed navigation device for fixed merging interior in patellar fracture art includes the cramping body of arc-shaped setting, one end of cramping body is provided with handle frame, and the other end is provided with crotch, simultaneously, the adjustable column being located on same axis with crotch is provided on handle frame, adjustable column is in hollow setting；The cramping body that the utility model passes through arc, crotch and adjustable column can be respectively arranged at patellar fracture end reset after two sides, and adjust arrive suitable position, then by Kirschner wire from adjustable column it is hollow in squeeze into, realize the disposable and accuracy that Kirschner wire is squeezed into, secondary injury caused by preventing multiple Kirschner wire from entering and leaving, keeps Fracture internal fixaiion safe and reliable, and operation is quick, effective, to improve clinical efficacy, and operation is more convenient, manufacturing cost is lower, easy to spread.
Description
Technical field
The utility model relates to the technical fields of medical instrument, are specifically related to a kind of for interior fixation in patellar fracture art
The directed navigation device of merging.
Background technique
Clinically, patellar fracture is more typical wound, when treatment, is to restore length and the smooth of articular surface of kneecap
Therapeutic purposes.Now in numerous clinical treatments, it is using Kirschner wire after the reduction of the fracture (screw) tension band internal fixation method
It is identified as the methods of internal fixation that biomethanics is the safest after maintaining to fracture at present, and clinical use is most commonly used at present
Mode.
In surgical procedure, generally requires and squeeze into two pieces of position suitables along the longitudinal axis of kneecap after patellar fracture end resets
Kirschner wire (or guide pin), and the position suitable of only two pieces needles just can guarantee the reliable of operation and successfully.And in current kneecap
In fracture operation, squeezing into for longitudinal axis Kirschner wire operates mainly by the personal experience of patient and ability after Patella fracture reduction, past
Toward needing to adjust by repeatedly having an X-rayed, until acquirement is satisfied with position, the requirement to patient is high.But patellar fracture
Type there are diversity and uncertainty, some fracture portions are located at kneecap distal end, even under kneecap at pole, and there is also
Distal bone folded block is imperfect or the patient of senile osteoporosis, and this kind of distal bone folded block based on cancellous bone is in multiple Kirschner wire
After discrepancy, the separation or crushing of sclerite are easily led to, gently then prevents distal bone folded block from effective, firm fixation, portion occurs
Divide fracture end that fixed patient can be maintained to there are problems that early functional exercise can not be carried out reluctantly, or appears in early function
After exercise activity the problem of fixed failure, sclerite can not be fixed when serious, cause the secondary injury of patellar fracture, easily cause
Medical tangle.
In conclusion the mode that Kirschner wire squeezes into fracture end after resetting in current patellar fracture art, which exists, determines suitable position
It sets the multiple Kirschner wire discrepancy of needs and there are the risks of secondary injury to the patient of part cancellous bone.
Summary of the invention
For the above-mentioned problems in the prior art, now it is intended to provide a kind of for fixed merging interior in patellar fracture art
Directed navigation device, based on arc cramping body, and be provided with hollow adjustable column in one end of arc cramping body, realize
The distance at the both ends of arc cramping body is adjusted by adjustable column, at the time of surgery, places at the both ends of arc cramping body respectively
In fracture two sides and be adjusted to suitable position, then be fixed by adjustable column, and by Kirschner wire from adjustable column it is hollow in
It penetrates and squeezes into the sclerite of patient, to realize purpose that is disposable and accurately squeezing into Kirschner wire, prevent multiple Kirschner wire
The risk for entering and leaving and causing secondary injury keeps Fracture internal fixaiion safe and reliable, and operation is quick, effective, to improve clinical treatment
Effect.
Specific technical solution is as follows:
A kind of directed navigation device for fixed merging interior in patellar fracture art, has the feature that, comprising: clamping
Body, handle frame and adjustable column, cramping body one side shape are arranged in the arc of " C " font, are provided in one end of cramping body
Handle frame is threaded with adjustable column on handle frame, and adjustable column is arranged along the direction towards the cramping body other end, meanwhile, it adjusts
Column is in hollow setting, and cramping body is provided with crotch away from the one end for being provided with adjustable column, and crotch is in towards the direction of adjustable column
Bending, and crotch and adjustable column are located on same axis, meanwhile, it opens up in crotch close to one end of adjustable column fluted.
Above-mentioned a kind of directed navigation device for fixed merging interior in patellar fracture art, wherein adjustable column is away from curved
One end of hook is provided with adjusting knob, and adjusting knob is fixed on adjustable column, is provided with non-slip groove on the outer wall of adjusting knob.
A kind of above-mentioned directed navigation device for fixed merging interior in patellar fracture art, wherein the outer wall of adjustable column
On be provided with external screw thread, internal screw thread is provided on handle frame, the screw-internal thread fit on external screw thread and handle frame on adjustable column.
A kind of above-mentioned directed navigation device for fixed merging interior in patellar fracture art, wherein adjustable column it is hollow
Pore diameter range be 1.2mm~1.4mm.
A kind of above-mentioned directed navigation device for fixed merging interior in patellar fracture art, wherein adjustable column it is hollow
Through adjusting knob, and the hollow of adjustable column is arranged at adjusting knob in conical bore, and the big end of conical bore is located at adjusting rotation
Button deviates from the side of adjustable column.
A kind of above-mentioned directed navigation device for fixed merging interior in patellar fracture art, wherein the groove on crotch
Rounded setting, and the diameter range of groove is 1.2mm~1.4mm.
A kind of above-mentioned directed navigation device for fixed merging interior in patellar fracture art, wherein the groove on crotch
Depth be 0.9mm~1.1mm.
A kind of above-mentioned directed navigation device for fixed merging interior in patellar fracture art, wherein the length of cramping body
Range is 5mm~6mm.
The good effect of above-mentioned technical proposal is: the cramping body of arc is set, and one end of cramping body be provided with it is hollow
The both ends of cramping body are respectively placed in the two sides of fracture site after patellar fracture end resets by adjustable column, and are adjusted to suitable
Behind position by rotate adjustable column be fixed, then by Kirschner wire from adjustable column it is hollow in squeeze into, play disposable and accurate
The purpose for squeezing into Kirschner wire prevents multiple Kirschner wire from entering and leaving and causing the risk of secondary injury, makes Fracture internal fixaiion safety, can
It leans on, operation is quick, effective, and the adjusting knob for improving clinical efficacy, and being provided with non-slip groove can be conducive to the screw thread of adjustable column
Rotation, more convenient operation, while it being provided with the crotch of groove, the limit that can be squeezed into when squeezing into Kirschner wire as Kirschner wire,
Prevent Kirschner wire from squeezing into excessively, safety guarantee is higher.
Detailed description of the invention
Fig. 1 is a kind of embodiment of directed navigation device for fixed merging interior in patellar fracture art of the utility model
Structure chart；
Fig. 2 is a viewing angle constructions figure of the adjusting knob of one preferred embodiment of the utility model.
In attached drawing: 1, cramping body；2, handle frame；3, adjustable column；4, crotch；5, adjusting knob；41, groove；51, circular cone
Hole.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, with
Lower embodiment combination attached drawing 1 is specifically addressed technical solution provided by the utility model to attached drawing 2, but the following contents not as
The restriction of the utility model.
Fig. 1 is a kind of embodiment of directed navigation device for fixed merging interior in patellar fracture art of the utility model
Structure chart；Fig. 2 is a viewing angle constructions figure of the adjusting knob of one preferred embodiment of the utility model.As depicted in figs. 1 and 2,
Directed navigation device provided in this embodiment for fixed merging interior in patellar fracture art includes: cramping body 1, handle frame 2, adjusts
Segmented column 3, crotch 4, adjusting knob 5, groove 41 and conical bore 51.
Specifically, the one side shape of cramping body 1 is arranged in the arc of " C " font, one end of cramping body 1 is provided with handle
Frame 2, handle frame 2 include interconnecting piece and hand-held part, and one end of cramping body 1 is fixed on the middle part of interconnecting piece, and one end of interconnecting piece is solid
Surely there is hand-held part, hand-held part is taken for patient's, and the other end of interconnecting piece is provided with adjustable column 3, and adjustable column 3 is set to folder
Hold the curved side of " C " font of body 1.
Specifically, the interconnecting piece of handle frame 2 is to be threadedly coupled with adjustable column 3, i.e., it is provided on interconnecting piece with interior spiral shell
The hole of line is provided with external screw thread on the outer wall of adjustable column 3, and external screw thread is matched on the internal screw thread and adjustable column 3 on handle frame 2
It closes, realizes when rotating adjustable column 3, be adjustable extension elongation of the adjustable column 3 on handle frame 2.
Specifically, adjustable column 3 is arranged towards one end that cramping body 1 is not provided with handle frame 2, adjustable column 3 when rotated may be used
It realizes and cramping body 1 is not provided with the adjusting of distance between one end of handle frame 2, thus after being fixed on the reset of patellar fracture end
Two sides, stability is higher, and the position that ensure that Kirschner wire is squeezed into is more accurate.
More specifically, on cramping body 1 and one end of not set adjustable column 3 is provided with crotch 4, and crotch 4 is towards adjusting
The side of column 3 is bent, meanwhile, crotch 4 and adjustable column 3 are located on same axis, and adjustable column 3 is in hollow setting, hollow aperture
Range is 1.2mm~1.4mm, the side of crotch 4 is provided with adjusting knob 5 in adjustable column 3, adjusting knob 5 is fixed on tune
On segmented column 3, by rotation of adjustment knob 5 realize adjustable column 3 rotation, meanwhile, adjustable column 3 it is hollow run through adjusting knob 5, and
And the hollow of adjustable column 3 is arranged on adjusting knob 5 in conical bore 51, the big end of conical bore 51 is adjusting knob 5 away from adjusting
One end of column 3, conical bore 51 can be inserted into hollow convenient for Kirschner wire, more convenient operation.
More specifically, it is arranged fluted 41 close to one end of adjustable column 3 in crotch 4, the rounded setting of groove 41, and recessed
The diameter range of slot 41 is 1.2mm~1.4mm, and the depth of groove 41 is 0.9mm~1.1mm, and groove 41 can be squeezed into Kirschner wire
Limitation Kirschner wire is played after in fracture site and continues the purpose squeezed into, and prevents Kirschner wire from squeezing into too long, safety guarantee is higher.
More specifically, the length range of cramping body 1 is 5mm~6mm, more meets the size of the kneecap of people, adaptability is more
Height, and more save material.
As preferred embodiment, it is provided with non-slip groove on the outer wall of adjusting knob 5, increase patient's hand and adjusts rotation
Frictional force at button 5, it is easier to rotation of adjustment knob 5, thus the more convenient extension elongation for adjusting adjustable column 3.
Directed navigation device provided in this embodiment for fixed merging interior in patellar fracture art, including arc-shaped setting
Cramping body 1, one end of cramping body 1 is provided with handle frame 2, and the other end is provided with crotch 4, meanwhile, be provided on handle frame 2 with
Crotch 4 is located at the adjustable column 3 on same axis, and adjustable column 3 is in hollow setting；It, can be by 4 He of crotch by the cramping body 1 of arc
Adjustable column 3 is respectively arranged at the two sides after patellar fracture end resets, and adjusts and arrive suitable position, then by Kirschner wire from adjustable column
3 it is hollow in squeeze into, realize the disposable and accuracy that Kirschner wire is squeezed into, secondary wound caused by preventing multiple Kirschner wire from entering and leaving
Evil, keeps Fracture internal fixaiion safe and reliable, and operation is quick, effectively, to improve clinical efficacy, and operate it is more convenient, manufacture at
This is lower, easy to spread.
The above is only the utility model preferred embodiments, are not intended to limit the embodiments of the present invention and protection
Range should can appreciate that all with the utility model specification and diagramatic content institute to those skilled in the art
The equivalent replacement made and obviously change obtained scheme, the protection scope of the utility model should all be included in
It is interior.
Claims (8)
1. a kind of directed navigation device for fixed merging interior in patellar fracture art characterized by comprising cramping body, hand
Grip frame and adjustable column, the cramping body one side shape are arranged in the arc of " C " font, are arranged in one end of the cramping body
There is the handle frame, the adjustable column is threaded on the handle frame, the adjustable column is along another towards the cramping body
The direction at end is arranged, meanwhile, the adjustable column is in hollow setting, and the cramping body deviates from the one end for being provided with the adjustable column
It is provided with crotch, the crotch is in bend towards the direction of the adjustable column, and the crotch and the adjustable column are positioned at same
On axis, meanwhile, it opens up in the crotch close to one end of the adjustable column fluted.
2. the directed navigation device according to claim 1 for fixed merging interior in patellar fracture art, which is characterized in that
The adjustable column is provided with adjusting knob away from one end of the crotch, and the adjusting knob is fixed on the adjustable column, institute
It states and is provided with non-slip groove on the outer wall of adjusting knob.
3. the directed navigation device according to claim 1 for fixed merging interior in patellar fracture art, which is characterized in that
It is provided with external screw thread on the outer wall of the adjustable column, internal screw thread is provided on the handle frame, it is described outer on the adjustable column
The screw-internal thread fit on screw thread and the handle frame.
4. the directed navigation device according to claim 1 for fixed merging interior in patellar fracture art, which is characterized in that
Described, the hollow pore diameter range of the adjustable column is 1.2mm~1.4mm.
5. the directed navigation device according to claim 2 for fixed merging interior in patellar fracture art, which is characterized in that
The hollow of the adjustable column runs through the adjusting knob, and the hollow of the adjustable column is set at the adjusting knob in conical bore
It sets, and the big end of the conical bore is located at the side that the adjusting knob deviates from the adjustable column.
6. the directed navigation device according to claim 1 for fixed merging interior in patellar fracture art, which is characterized in that
The rounded setting of the groove on the crotch, and the diameter range of the groove is 1.2mm~1.4mm.
7. the directed navigation device according to claim 6 for fixed merging interior in patellar fracture art, which is characterized in that
The depth of the groove on the crotch is 0.9mm~1.1mm.
8. the directed navigation device according to claim 1 for fixed merging interior in patellar fracture art, which is characterized in that
The length range of the cramping body is 5mm~6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721795464.1U CN208769974U (en) | 2017-12-20 | 2017-12-20 | A kind of directed navigation device for fixed merging interior in patellar fracture art |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721795464.1U CN208769974U (en) | 2017-12-20 | 2017-12-20 | A kind of directed navigation device for fixed merging interior in patellar fracture art |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208769974U true CN208769974U (en) | 2019-04-23 |
Family
ID=66143143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721795464.1U Active CN208769974U (en) | 2017-12-20 | 2017-12-20 | A kind of directed navigation device for fixed merging interior in patellar fracture art |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208769974U (en) |
-
2017
- 2017-12-20 CN CN201721795464.1U patent/CN208769974U/en active Active
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