CN209122348U - Kirschner center of pin holding meanss - Google Patents
Kirschner center of pin holding meanss Download PDFInfo
- Publication number
- CN209122348U CN209122348U CN201821819582.6U CN201821819582U CN209122348U CN 209122348 U CN209122348 U CN 209122348U CN 201821819582 U CN201821819582 U CN 201821819582U CN 209122348 U CN209122348 U CN 209122348U
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- CN
- China
- Prior art keywords
- center
- kirschner
- support portion
- pin holding
- holding meanss
- 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
Links
- 239000003381 stabilizer Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 208000011708 Avulsion fracture Diseases 0.000 description 1
- 206010016970 Foot fracture Diseases 0.000 description 1
- 206010034246 Pelvic fractures Diseases 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Kirschner center of pin holding meanss, including fixed part, support rod and positioning support portion, fixed part is fixedly connected with the end of support rod, fixed part is removably mounted on medical electric drill, fixed part is equipped with linear bearing, and support rod is mounted in linear bearing, and the end of support rod is equipped with locating part, support rod is equipped at least one positioning support portion, and the center in positioning support portion and electric drill center of collet are in same straight line.The utility model provides the Kirschner wire that a kind of structure is simple, guarantees Kirschner wire central stabilizer, can be applicable in different size, the kirschner center of pin holding meanss that can be installed on the mobile electric drill of different model.
Description
Technical field
The utility model relates to medical instruments fields, are more particularly to kirschner center of pin holding meanss.
Background technique
Kirschner wire is generally fixed to 20 centimeters or so as a kind of common internal fixation material of orthopaedics, former specification, directly
Diameter has different several specifications between 0.5-2 millimeters.For fixing the short and small fracture fractured or avulsion fracture iso-stress is little
It is fixed, it is also commonly used in bone surgery in the fixation of interim sclerite.Due to being widely applied, the maximum gauge of Kirschner wire is gradually
Increase to 4 millimeters with exterior fixing rack, cooperates outer fixed pinning biggish to fix the emergency such as pelvic fracture, fracture of calcaneus
Fracture, Kirschner wire cooperates medical electric drill to use in the prior art, since Kirschner wire itself is longer, and during screwing
The case where there is also installation inclinations, will cause two kinds of defects in this way: 1, drill bit tip and tail portion are not arranged on the same straight line, and make to bore
Head tip can cause biggish injury with circular rotatable rather than with some rotation to patient；2, clamping at a slant can be with brill
After the rotation and stress of head or cause falling off for drill bit.Thus need just to need slowly to adjust before the mounting Kirschner wire guarantor
Kirschner wire central stabilizer is demonstrate,proved, it is time-consuming and laborious in this way.
Utility model content
To solve the above-mentioned problems, the utility model provides that a kind of structure is simple, guarantee Kirschner wire central stabilizer, can
The kirschner center of pin holding meanss that is applicable in the Kirschner wire of different size, can be installed on the mobile electric drill of different model.
One aspect according to the present utility model, kirschner center of pin holding meanss provide including fixed part, support rod and determine
Position support portion, fixed part are fixedly connected with the end of support rod, and fixed part is removably mounted on medical electric drill, and fixed part is equipped with
Linear bearing, support rod are mounted in linear bearing, and the end of support rod is equipped with locating part, and support rod is fixed equipped at least one
Position support portion, the center in positioning support portion and electric drill center of collet are in same straight line.
In some embodiments, support bar top is equipped with adjustment section, and adjustment section is equipped with positioning support portion.
In some embodiments, adjustment section includes axle sleeve, strut and locking nut, and axle sleeve is fixed on support rod, branch
Bar end is fixedly connected with positioning support portion, and strut assigns into axle sleeve, and the outer wall of axle sleeve is equipped with threaded hole, and locking nut is mounted on
In threaded hole and withstand strut.
In some embodiments, positioning support portion includes bearing and central support means, and central support means setting exists
On the inner ring of bearing.
In some embodiments, central support means include spring, fulcrum bearing, ball and mounting cup, the inner ring of bearing
Several springs are fixed on inner wall, spring is equipped with fulcrum bearing, and fulcrum bearing is equipped with ball, is provided on mounting cup several logical
Hole, ball are exposed by through-hole, and mounting cup pressing ball and spring are fixed on bearing inner race.
In some embodiments, support rod is two section telescopic bars, and telescopic rod is equipped with positioning support portion, positioning support
Portion is fixed at the top of telescopic rod by adjusting portion.
In some embodiments, support rod is Multi-section telescopic rod, and telescopic rod is equipped with positioning support portion, positioning support
Portion is fixed at the top of telescopic rod by adjusting portion.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model kirschner center of pin holding meanss；
Fig. 2 is the structural schematic diagram of the adjustment section of the utility model kirschner center of pin holding meanss；
Fig. 3 is the structural schematic diagram in the positioning support portion of the utility model kirschner center of pin holding meanss；
Fig. 4 is the structural schematic diagram of another embodiment of the utility model kirschner center of pin holding meanss.
Specific embodiment
The utility model is further described With reference to embodiment.
As shown in Figure 1, it includes fixed part 1,2 and of support rod that kirschner center of pin holding meanss described in the utility model, which provide,
Positioning support portion 3, fixed part 1 are fixedly connected with the end of support rod 2, and fixed part 1 is removably mounted on medical electric drill, fixed part
1 is equipped with linear bearing 4, and support rod 2 is mounted in linear bearing 4, and the end of support rod 2 is equipped with locating part 21, on support rod 2
Equipped at least one positioning support portion 3, the center in positioning support portion 3 and electric drill center of collet are in same straight line.Pass through positioning
Support portion 3 determines that the center of Kirschner wire is consistent with the center of electric drill collet, prevents the needle point of Kirschner wire in use in circle
Circle rotation, influence using；The utility model can be detachably secured on the medical electric drill of different model by fixed part 1,
It is versatile.Fixed part 1 can be clip perhaps the axle sleeve with clamping screw by clip or with the axis of clamping screw
Set can be quickly fixed on the medical electric drill of different model.Make the positioning when Kirschner wire moves forward by linear bearing 4
Support portion 3 touches patient with back support rod 2 by linear bearing 4 successively movement, does not influence the use of Kirschner wire.
Adjustment section 5 is equipped at the top of support rod 2, adjustment section 5 is equipped with positioning support portion 3.It is fixed to adjust by adjusting portion 5
The center of position support portion 3 is consistent with the center of electric drill collet.
As shown in Fig. 2, adjustment section 5 includes axle sleeve 51, strut 52 and locking nut 53, axle sleeve 51 is fixed on support rod 2,
52 end of strut is fixedly connected with positioning support portion 3, and strut 52 assigns into axle sleeve 51, and the outer wall of axle sleeve 51 is equipped with threaded hole, lock
Tight nut 53 is mounted in threaded hole and withstands strut 52.It is further adjusted by adjusting length of the strut 52 in axle sleeve 51
The center at the center and electric drill collet of adjusting position support portion 3 is consistent, and passes through locking screw after the position for determining strut 52
The fixed strut 52 of mother 53.
As shown in figure 3, positioning support portion 3 includes bearing 31 and central support means 32, the setting of central support means 32 exists
On the inner ring 33 of bearing 31.By bearing 31 can be realized Kirschner wire rotate it is smooth, be able to use by central support means 32
The Kirschner wire of different diameter specifications.
Central support means 32 include spring 34, fulcrum bearing 35, ball 36 and mounting cup 37,33 inner wall of inner ring of bearing 31
On be fixed with several springs 34, spring 34 is equipped with fulcrum bearing 35, and fulcrum bearing 35 is equipped with ball 36, is provided on mounting cup 37
Several through-holes 38, ball 36 are exposed by through-hole 38, and mounting cup 37 presses ball 36 and spring 34 is fixed on 31 inner ring 33 of bearing
On.By bearing 31 can be realized Kirschner wire rotate it is smooth, be able to use different diameter specifications by central support means 32
Kirschner wire, when Kirschner wire is inserted into central support means 32, the outer wall of Kirschner wire presses ball 36 to 31 inner ring 33 of bearing,
Be applicable in the Kirschner wire of different-diameter, while can guarantee the central stabilizer of Kirschner wire.Made by linear bearing 4 in Kirschner wire
Positioning support portion 3 is touched patient and is successively moved with back support rod 2 by linear bearing 4 when forward movement, the outer wall of Kirschner wire
By the rolling of ball 36, move backward positioning support portion 3 more smooth.
As shown in figure 4, support rod 2 is two section telescopic bars 22, telescopic rod 22 is equipped with positioning support portion 3, positioning support
Portion 3 is fixed on 22 top of telescopic rod by adjusting portion 5.Positioning support portion 3 is all installed on two section telescopic rods, it is true to have passed through two o'clock
Boning out, to guarantee the central stabilizer of Kirschner wire.
Support rod 2 is Multi-section telescopic rod 22, and telescopic rod 22 is equipped with positioning support portion 3, positioning support portion 3 by adjusting
Portion 5 is fixed on 22 top of telescopic rod.It is equipped with installation positioning support portion 3 on telescopic rod, straight line is determined by multiple spot, to protect
Demonstrate,prove the central stabilizer of Kirschner wire.
Above-described is only some embodiments of the utility model, it is noted that for the ordinary skill of this field
For personnel, under the premise of not departing from the concept of the utility model, other modification and improvement can also be made, these are all
Belong to the protection scope of the utility model.
Claims (7)
1. kirschner center of pin holding meanss, which is characterized in that including fixed part, support rod and positioning support portion, the fixed part
It is fixedly connected with the end of support rod, the fixed part is removably mounted on medical electric drill, and the fixed part is equipped with linear axis
It holds, the support rod is mounted in linear bearing, and the end of the support rod is equipped with locating part, and the support rod is equipped at least
One positioning support portion, the center in the positioning support portion and electric drill center of collet are in same straight line.
2. kirschner center of pin holding meanss according to claim 1, which is characterized in that the support bar top is equipped with adjustment
Portion, the adjustment section are equipped with positioning support portion.
3. kirschner center of pin holding meanss according to claim 2, which is characterized in that the adjustment section includes axle sleeve, branch
Bar and locking nut, the axle sleeve are fixed on support rod, and the strut end is fixedly connected with positioning support portion, the strut peace
It is inserted in axle sleeve, the outer wall of the axle sleeve is equipped with threaded hole, and the locking nut is mounted in threaded hole and withstands strut.
4. kirschner center of pin holding meanss described in any one of -3 claims according to claim 1, which is characterized in that described fixed
Position support portion includes bearing and central support means, and the central support means are arranged on the inner ring of bearing.
5. kirschner center of pin holding meanss according to claim 4, which is characterized in that the central support means include bullet
Spring, fulcrum bearing, ball and mounting cup, several springs are fixed on the inner ring inner wall of the bearing, and the spring is equipped with branch
Seat is held, the fulcrum bearing is equipped with ball, several through-holes is provided on the mounting cup, the ball is exposed by through-hole, described
Mounting cup pressing ball and spring are fixed on bearing inner race.
6. kirschner center of pin holding meanss according to claim 1, which is characterized in that the support rod is flexible for two sections
Bar, the telescopic rod are equipped with positioning support portion, and the positioning support portion is fixed at the top of telescopic rod by adjusting portion.
7. kirschner center of pin holding meanss according to claim 1, which is characterized in that the support rod is multi-joint telescoping
Bar, the telescopic rod are equipped with positioning support portion, and the positioning support portion is fixed at the top of telescopic rod by adjusting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821819582.6U CN209122348U (en) | 2018-11-06 | 2018-11-06 | Kirschner center of pin holding meanss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821819582.6U CN209122348U (en) | 2018-11-06 | 2018-11-06 | Kirschner center of pin holding meanss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209122348U true CN209122348U (en) | 2019-07-19 |
Family
ID=67244102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821819582.6U Expired - Fee Related CN209122348U (en) | 2018-11-06 | 2018-11-06 | Kirschner center of pin holding meanss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209122348U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111839653A (en) * | 2020-07-24 | 2020-10-30 | 中南大学湘雅医院 | Electric bone drill capable of continuously inserting needle |
| CN111839655A (en) * | 2020-07-24 | 2020-10-30 | 中南大学湘雅医院 | A multi-level guide positioning type electric bone drill |
| CN115120328A (en) * | 2022-06-23 | 2022-09-30 | 经纬医疗器材制造（深圳）有限公司 | Self-locking clamping structure |
-
2018
- 2018-11-06 CN CN201821819582.6U patent/CN209122348U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111839653A (en) * | 2020-07-24 | 2020-10-30 | 中南大学湘雅医院 | Electric bone drill capable of continuously inserting needle |
| CN111839655A (en) * | 2020-07-24 | 2020-10-30 | 中南大学湘雅医院 | A multi-level guide positioning type electric bone drill |
| CN111839653B (en) * | 2020-07-24 | 2022-05-20 | 中南大学湘雅医院 | An electric bone drill with continuous needle insertion |
| CN115120328A (en) * | 2022-06-23 | 2022-09-30 | 经纬医疗器材制造（深圳）有限公司 | Self-locking clamping structure |
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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: 20190719 |