CN207575221U - A kind of percutaneous intra-articular comminuted fracture restorer - Google Patents
A kind of percutaneous intra-articular comminuted fracture restorer Download PDFInfo
- Publication number
- CN207575221U CN207575221U CN201720416797.2U CN201720416797U CN207575221U CN 207575221 U CN207575221 U CN 207575221U CN 201720416797 U CN201720416797 U CN 201720416797U CN 207575221 U CN207575221 U CN 207575221U
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- China
- Prior art keywords
- fracture
- puncture needle
- fixation column
- fracture fixation
- articular
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Abstract
The utility model discloses a kind of percutaneous intra-articular comminuted fracture restorers, including clamping limb and fracture fixation column, clamping device is provided on the downside of the clamping limb, the clamping device lower part is equipped with fastening bolt, threaded hole internal thread on the clamping limb is connected with adjusting screw rod one end, the adjusting screw rod other end is penetrated in the threaded hole of lateral mass, the lateral mass is mounted on fracture fixation column, it is fastened by adjustable bolt, the fracture fixation column has multiple pin holes, inserted with puncture needle inside pin hole, the puncture needle is connected by fixed screw with fracture fixation column, the puncture needle lower part is umbrella head.The utility model puncture needle lower part is umbrella head, reset avoids damage of the bone chip to neurothlipsis well when strutting, the portion of screwing is provided in the middle part of adjusting screw rod, it can be good at facilitating and adjust the distance between clamping limb and fracture fixation column, cushion is provided on the inside of clamping device, improves comfort well.
Description
Technical field
The utility model is related to field of medical device, specifically a kind of percutaneous intra-articular comminuted fracture restorer.
Background technology
Percutaneous intra-articular comminuted fracture restorer is common Medical Devices, existing percutaneous intra-articular comminuted fracture
Restorer is there is many defects, such as can not avoid damage of the bone chip to neurothlipsis, can not easily adjust clamping
Arm and the distance between fracture fixation column or fixed plate can not be adjusted well to suitable for needle angle, and comfort is poor, accurately
Property it is insufficient.
Invention content
The purpose of this utility model is to provide a kind of percutaneous intra-articular comminuted fracture restorer, to solve the prior art
In comfort it is poor and can not adjust well to suitable for needle angle, improve reset accuracy problem.
To achieve the above object, the utility model provides following technical solution：A kind of percutaneous intra-articular comminuted fracture is answered
Position device including clamping limb and fracture fixation column, is provided with clamping device, the clamping device lower part installation on the downside of the clamping limb
There is a fastening bolt, the threaded hole internal thread on the clamping limb is connected with adjusting screw rod one end, and the adjusting screw rod other end is worn
Enter in the threaded hole of lateral mass, the lateral mass is mounted on fracture fixation column, is fastened by adjustable bolt, the fracture fixation column has
Multiple pin holes are connected inside pin hole, the puncture inserted with puncture needle, the puncture needle by fixed screw with fracture fixation column
Needle lower part is umbrella head.
Preferably, it is provided with the portion of screwing in the middle part of the adjusting screw rod.
Preferably, the lateral mass is connected by adjustable bolt with fracture fixation column.
Preferably, it is provided with cushion on the inside of the clamping device.
Preferably, the pin hole of different spacing and number can be set in the fracture fixation column.
Preferably, the extension bar of spliced eye is contained on the puncture needle top.
Compared with prior art, the beneficial effects of the utility model are：The utility model is umbrella head by head, multiple
Position avoids damage of the bone chip to neurothlipsis well when strutting, by being provided with the portion of screwing, energy in the middle part of adjusting screw rod
Enough facilitate well adjusts the distance between clamping limb and fracture fixation column, is connected by lateral mass adjustable bolt and fracture fixation column
It connects, can be good at realizing the angle of puncture needle is adjusted, pulled by the spliced eye of puncture needle top extension bar, it can be with
It holds depth of needle and resets degree, so as to fulfill optimum needle angle is conveniently adjusted to, by being set on the inside of clamping device
Cushion is equipped with, improves comfort well, simple in structure, reasonable design.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the side view of the utility model.
In figure：1- extension bars, 2- fixed screws, 3- adjustable bolts, 4- lateral mass, 5- fracture fixations column, 6- puncture needles, 7- umbrellas
Shape head, 8- adjusting screw rods, 9- screw portion, 10- clamping limbs, 11- clamping devices, 12- fastening bolts.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Please refer to Fig.1~2, in the utility model embodiment, a kind of percutaneous intra-articular comminuted fracture restorer, including folder
Gripping arm 10 and fracture fixation column 5,10 downside of clamping limb are provided with clamping device 11, and 11 lower part of clamping device is equipped with fastening bolt
12, the threaded hole internal thread on clamping limb 10 is connected with 8 one end of adjusting screw rod, and 8 other end of adjusting screw rod penetrates the screw thread of lateral mass 4
In hole, lateral mass 4 is mounted on fracture fixation column 5, is fastened by adjustable bolt 3, and fracture fixation column 5 has multiple pin holes, in pin hole
Portion is connected inserted with puncture needle 6, puncture needle 6 by fixed screw 2 and fracture fixation column 5, and puncture needle lower part is umbrella head 7.
Long bone is clamped by clamping device 11, and is fastened by fastening bolt 12,11 inside of clamping device is provided with
Cushion improves comfort well, and the distance between clamping device 11 and fracture fixation column 5 are adjusted by the portion of screwing 9, and
And the angle of lateral mass 4 is adjusted by adjustable bolt 3, it is pulled by the spliced eye of puncture needle top extension bar 1, inserting needle can be held
Depth and reset degree so as to fulfill the adjusting to 6 angle of puncture needle and depth, pass through the length that fixed screw 2 adjusts puncture needle 6
Degree, 8 middle part of adjusting screw rod are provided with the portion of screwing 9, and lateral mass 4 is connected by adjustable bolt 3 and bone fracture fixation plate 5, clamping device 11
Inside is provided with cushion, and the pin hole of different spacing and number can be set in fracture fixation column 5, and grafting is contained on 6 top of puncture needle
The extension bar 1 in hole.
The operation principle of the utility model is：Clamping device 11 clamps long bone, and by fastening bolt 12 into
Row fastening, 11 inside of clamping device are provided with cushion, improve comfort well, and clamping device is adjusted by the portion of screwing 9
The distance between 11 and fracture fixation column 5, and by the angle of the adjustment lateral mass 4 of adjustable bolt 3, lengthened by puncture needle top
The spliced eye drawing of bar 1 can hold depth of needle and reset degree, so as to fulfill the adjusting to 6 angle of puncture needle, by solid
Determine the length that screw 2 adjusts puncture needle 6, puncture needle 6 is fixed on fracture site, the umbrella head of puncture needle 6 can reset
Damage of the bone chip to neurothlipsis is avoided when strutting well, so as to realize the reset to fracture well.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by containing in the equivalent requirements of the claims is fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (6)
1. a kind of percutaneous intra-articular comminuted fracture restorer, including clamping limb（10）With fracture fixation column（5）, feature exists
In:The clamping limb（10）Downside is provided with clamping device（11）, the clamping device（11）Lower part is equipped with fastening bolt
（12）, the clamping limb（10）On threaded hole internal thread be connected with adjusting screw rod（8）One end, the adjusting screw rod（8）It is another
End penetrates lateral mass（4）Threaded hole in, the lateral mass（4）Mounted on fracture fixation column（5）On, by adjustable bolt（3）Fastening,
The fracture fixation column（5）There are multiple pin holes, inserted with puncture needle inside pin hole（6）, the puncture needle（6）Pass through fixed screw
（2）With fracture fixation column（5）Connection, the puncture needle lower part are umbrella head（7）.
2. a kind of percutaneous intra-articular comminuted fracture restorer according to claim 1, it is characterised in that：The adjusting spiral shell
Bar（8）Middle part is provided with the portion of screwing（9）.
3. a kind of percutaneous intra-articular comminuted fracture restorer according to claim 1, it is characterised in that：The lateral mass
（4）Pass through adjustable bolt（3）With fracture fixation column（5）Connection.
4. a kind of percutaneous intra-articular comminuted fracture restorer according to claim 1, it is characterised in that：The clamping machine
Structure（11）Inside is provided with cushion.
5. a kind of percutaneous intra-articular comminuted fracture restorer according to claim 1, it is characterised in that：The fracture is solid
Fixed column（5）The interior pin hole that different spacing and number are set.
6. a kind of percutaneous intra-articular comminuted fracture restorer according to claim 1, it is characterised in that：The puncture needle
（6）Contain the extension bar of spliced eye in top（1）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720416797.2U CN207575221U (en) | 2017-04-20 | 2017-04-20 | A kind of percutaneous intra-articular comminuted fracture restorer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720416797.2U CN207575221U (en) | 2017-04-20 | 2017-04-20 | A kind of percutaneous intra-articular comminuted fracture restorer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207575221U true CN207575221U (en) | 2018-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720416797.2U Active CN207575221U (en) | 2017-04-20 | 2017-04-20 | A kind of percutaneous intra-articular comminuted fracture restorer |
Country Status (1)
| Country | Link |
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| CN (1) | CN207575221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110060557A (en) * | 2019-04-25 | 2019-07-26 | 莆田学院 | A kind of the lesion apparatus for demonstrating and demenstration method of nerve root cervical vertebra sickness |
-
2017
- 2017-04-20 CN CN201720416797.2U patent/CN207575221U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110060557A (en) * | 2019-04-25 | 2019-07-26 | 莆田学院 | A kind of the lesion apparatus for demonstrating and demenstration method of nerve root cervical vertebra sickness |
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