CN215874906U - Improved kirschner wire guider - Google Patents
Improved kirschner wire guider Download PDFInfo
- Publication number
- CN215874906U CN215874906U CN202120339595.9U CN202120339595U CN215874906U CN 215874906 U CN215874906 U CN 215874906U CN 202120339595 U CN202120339595 U CN 202120339595U CN 215874906 U CN215874906 U CN 215874906U
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- Prior art keywords
- block
- hollow cylinder
- improved
- kirschner wire
- shaped
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 230000006872 improvement Effects 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 abstract description 17
- 208000010392 Bone Fractures Diseases 0.000 description 4
- 206010017076 Fracture Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 125000003003 spiro group Chemical group 0.000 description 2
- 206010023230 Joint stiffness Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Abstract
The utility model provides an improved Kirschner wire guider, and belongs to the field of Kirschner wires. It includes the U-shaped support, one of them end of U-shaped support be equipped with the fixed block, the other end of U-shaped support be equipped with the supporting shoe, the supporting shoe in be equipped with two pinholes at least, the montant of pinhole and U-shaped support be vertical form, the supporting shoe still be connected through the tip rotation of rotary mechanism with the U-shaped support, rotary mechanism function make the position of supporting shoe rotation adjustment pinhole. The adjustable bone block fixing device has the advantages that the positions of two Kirschner wires driven into a bone block are adjusted through the rotating mechanism, and the positions of the Kirschner wires can be directly adjusted without adjusting the U-shaped bracket.
Description
Technical Field
The utility model belongs to the field of Kirschner wires, and particularly relates to an improved Kirschner wire guider.
Background
At present, the phalangeal fracture is mainly treated by the following three methods, namely internal fixation of Kirschner pins, internal fixation of miniature steel plates or screws and external fixation of phalanges. The phalanx external fixator for treating phalanx fracture has the advantages of simple structure, convenient assembly and disassembly operation, no need of secondary operation for removing internal fixation after fracture healing, convenient movement of upper and lower joints of fracture parts as early as possible, prevention of joint stiffness, early recovery of hand function and good function.
In order to better fix and treat the bone block, at least two kirschner wires are generally required to be driven, and in order to ensure that the driving positions of the kirschner wires are more accurate, the two times of driving are driven separately.
For example, chinese patent document discloses a kirschner wire guide [ patent application No.: CN201020257578.2], which is composed of a fixed arm, a cross arm, a sliding arm, a guiding sleeve and a fixed slot, wherein the upper end of the fixed arm is fixedly connected with one end of the cross arm, the upper end of the sliding arm is sleeved on the cross arm, the sliding arm can slide left and right on the cross arm, a position where the upper end of the sliding arm is sleeved with the cross arm is provided with a stopper, the fixed slot is pivoted at the lower end of the fixed arm, the guiding sleeve is pivoted at the lower end of the sliding arm, and the central lines of the guiding sleeve and the fixed slot are coaxial.
Disclosure of Invention
The present invention addresses the above-mentioned problems by providing an improved K-wire guide.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a kirschner wire director of improvement, includes the U-shaped support, the wherein one end of U-shaped support be equipped with the fixed block, the other end of U-shaped support be equipped with the supporting shoe, the supporting shoe in be equipped with two pinholes at least, the montant of pinhole and U-shaped support be vertical form, the supporting shoe still be connected through the tip rotation of rotary mechanism with the U-shaped support, rotary mechanism function make the position of the rotatory adjustment pinhole of supporting shoe.
In the above improved kirschner wire guider, the rotating mechanism includes a hollow cylinder on the cylinder arranged on the end of the U-shaped bracket, the supporting block is cylindrical and is matched with the hollow cylinder, one of the needle holes is located on the axis of the supporting block, and the rest of the needle holes are located on the side of the axis of the supporting block.
In the above improved kirschner wire guider, two ends of the supporting block are respectively provided with a circular ring positioned outside the hollow cylinder, the outer diameter of the circular ring is larger than that of the hollow cylinder, and the two circular rings are respectively abutted against two ends of the hollow cylinder.
In the improved kirschner wire guider, a locking mechanism is further connected between the supporting block and the hollow cylinder, and the locking mechanism can enable the supporting block and the hollow cylinder to form clamping connection.
In the above improved kirschner wire guider, the locking mechanism comprises at least one circle of clamping hole rings arranged on the outer surface of the supporting block, the clamping hole rings are formed by sequentially placing a plurality of clamping holes at equal intervals, the hollow cylinder is provided with a first screw shaft corresponding to the clamping hole rings, and the first screw shaft is in threaded connection with the hollow cylinder and can extend into the clamping holes.
In the above improved kirschner wire guider, the cross rod of the U-shaped bracket is a telescopic cross rod.
In the above improved kirschner wire guider, the cross bar of the U-shaped bracket is composed of a guide bar and a slide bar, and the slide bar extends into the guide bar and is slidably connected with the guide bar.
In the above improved kirschner wire guider, the guide rod is rotatably connected with a second screw shaft, and the second screw shaft extends into the slide rod and is in threaded connection with the slide rod.
In the improved kirschner wire guider, the fixed block is provided with the abutting block and is connected with the U-shaped bracket through the detachable mechanism.
In the kirschner wire guider of foretell improvement, detachable mechanism including set up the piece of erectting at U-shaped support tip, the piece of erectting on be equipped with the I-shaped groove, fixed block and I-shaped groove sliding connection, the piece of erectting on the spiro union have two third spiral shell axles, the fixed block on be equipped with two fixed orificess, two third spiral shell axles can extend into two fixed orificess respectively.
Compared with the prior art, the utility model has the advantages that:
1. the utility model adjusts the position of two Kirschner wires driven into the bone block through the rotating mechanism, and the position of the Kirschner wires can be directly adjusted without adjusting the U-shaped bracket.
2. The U-shaped bracket can adjust the length of the bone block and the length of the Kirschner wire.
3. According to the utility model, the supporting block can be replaced according to the shape of the bone block, the fixing block is detached by the detachable mechanism, and the fixing block provided with the supporting block with the corresponding shape is arranged on the U-shaped bracket.
Drawings
FIG. 1 is a general schematic of the present invention;
FIG. 2 is a schematic view of a support block configuration;
fig. 3 is a schematic cross-sectional view of the erection block.
In the figure: the device comprises a U-shaped support 10, a fixed block 11, a supporting block 12, a needle hole 13, a rotating mechanism 14, a hollow cylinder 15, a circular ring 16, a locking mechanism 17, a clamping hole 18, a first screw shaft 19, a guide rod 20, a sliding rod 21, a second screw shaft 22, a detachable mechanism 23, an erection block 24, an I-shaped groove 25, a third screw shaft 26 and a fixed hole 27.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-3, an improved kirschner wire guider comprises a U-shaped support 10, wherein a fixing block 11 is arranged at one end of the U-shaped support 10, a supporting block 12 is arranged at the other end of the U-shaped support 10, at least two pinholes 13 are arranged in the supporting block 12, the pinholes 13 are perpendicular to a vertical rod of the U-shaped support 10, the supporting block 12 is further rotatably connected with the end of the U-shaped support 10 through a rotating mechanism 14, and the rotating mechanism 14 operates to enable the supporting block 12 to rotate to adjust the position of the pinholes 13.
In the embodiment, in the using process, the kirschner wire is inserted into the needle hole 13, the arrangement direction of the U-shaped bracket 10 is adjusted, and the fixing block 11 is abutted against the other side of the bone block, so that the kirschner wire can be driven into the bone block along the designated direction. In general, at least two k-wires are driven into the bone block, and the positions of the two k-wires driven into the bone block are adjusted by the rotating mechanism 14, so that the positions of the k-wires can be directly adjusted without adjusting the U-shaped bracket 10.
The rotating mechanism 14 comprises a cylindrical upper hollow cylinder 15 arranged at the end of the U-shaped support 10, the support block 12 is cylindrical and is matched with the hollow cylinder 15, one needle hole 13 is positioned on the axis of the support block 12, and the rest needle holes 13 are positioned on the side edge of the axis of the support block 12.
In this embodiment, a first kirschner wire is inserted into the needle hole 13 on the axis of the supporting block 12, the kirschner wire is driven into the bone block, then a second kirschner wire is inserted into the needle hole 13 on the side of the axis of the supporting block 12, and the supporting block 12 is rotated by the rotating mechanism 14, so that the supporting block 12 does not affect the first kirschner wire in the rotation process because the first kirschner wire is located at the axis of the supporting block 12, and the supporting block 12 is rotated to adjust the driving position of the second kirschner wire.
Both ends of the supporting block 12 are provided with a circular ring 16 positioned outside the hollow cylinder 15, the outer diameter of the circular ring 16 is larger than that of the hollow cylinder 15, and the two circular rings 16 respectively abut against both ends of the hollow cylinder 15.
In this embodiment, during the rotation of the supporting block 12, the hand is held on the rings 16 to rotate, and in addition, the two rings 16 are respectively abutted against the two ends of the hollow cylinder 15, so that the supporting block 12 cannot move back and forth.
And a locking mechanism 17 is further connected between the supporting block 12 and the hollow cylinder 15, and the locking mechanism 17 can enable the supporting block 12 and the hollow cylinder 15 to form clamping connection.
In this embodiment, after the supporting block 12 is rotated by a proper angle, the supporting block 12 is locked with the hollow cylinder 15 by the locking mechanism 17, so that the supporting block 12 is prevented from rotating, and the supporting block 12 cannot rotate when the second kirschner wire is driven, which is more accurate.
The locking mechanism 17 comprises at least one circle of clamping hole rings arranged on the outer surface of the supporting block 12, the clamping hole rings are formed by sequentially placing a plurality of clamping holes 18 at equal intervals, a first screw shaft 19 corresponding to the clamping hole rings is arranged on the hollow cylinder 15, and the first screw shaft 19 is in threaded connection with the hollow cylinder 15 and can extend into the clamping holes 18.
In this embodiment, the first screw shaft 19 does not extend into the locking hole 18 during the rotation, and when the first screw shaft 19 is rotated to a proper position, the first screw shaft 19 is rotated to extend into the locking hole 18 so as to lock the supporting block 12.
The cross bar of the U-shaped bracket 10 is a telescopic cross bar.
In this embodiment, the U-shaped bracket 10 is capable of adjusting the length more than the length of the bone pieces and the length of the K-wire.
The cross bar of the U-shaped bracket 10 consists of a guide rod 20 and a slide rod 21, and the slide rod 21 extends into the guide rod 20 and is connected with the guide rod in a sliding manner.
In the present embodiment, the crossbar of the U-shaped bracket 10 is extended and contracted by sliding the slide bar 21 in the guide bar 20.
The guide rod 20 is rotatably connected with a second screw shaft 22, and the second screw shaft 22 extends into the slide rod 21 and is in threaded connection with the slide rod.
In this embodiment, the adjustment is made by rotating the second screw shaft 22 when adjusting the length of the U-shaped bracket 10.
The fixed block 11 is provided with a resisting block, and the fixed block 11 is connected with the U-shaped bracket 10 through a detachable mechanism 23.
In this embodiment, the abutting block is used for abutting against the other end of the bone block, and the abutting block can be replaced according to the shape of the bone block, and the fixing block 11 is detached through the detachable mechanism 23, and the fixing block 11 provided with the abutting block with the corresponding shape is installed on the U-shaped support 10.
The detachable mechanism 23 is including setting up the piece 24 of erectting at U-shaped support 10 tip, erect and be equipped with the I-shaped groove 25 on the piece 24, fixed block 11 and I-shaped groove 25 sliding connection, erect the piece 24 on the spiro union have two third spiral shell axles 26, fixed block 11 on be equipped with two fixed orificess 27, two third spiral shell axles 26 can extend into in two fixed orificess 27 respectively.
In this embodiment, the fixing block 11 is inserted into the i-shaped groove 25, the two fixing holes 27 on the fixing block 11 are moved to a predetermined position, and then the two third screw shafts 26 are rotated to extend the two third screw shafts 26 into the two fixing holes 27, respectively, so as to fix the fixing block 11.
The working principle of the utility model is as follows: the second screw shaft 22 is rotated according to the length of the bone block, so that the slide rod 21 slides in the guide rod 20, and the cross rod of the U-shaped bracket is stretched to a proper length. Next, a proper abutting block is arranged on the U-shaped bracket 10 according to the shape of the position of the fixed bone block, the fixed block 11 is inserted into the i-shaped groove 25, the two fixing holes 27 on the fixed block 11 are moved to a specified position, and then the two third screw shafts 26 are rotated to enable the two third screw shafts 26 to respectively extend into the two fixing holes 27, so as to fix the fixed block 11.
In the process of driving the Kirschner wire, a first Kirschner wire is inserted into a pinhole 13 positioned on the axis of a supporting block 12, the Kirschner wire is firstly driven into a bone block, then a second Kirschner wire is inserted into the pinhole 13 on the side edge of the axis of the supporting block 12, then the supporting block 12 is rotated on a circular ring 16 by holding with a hand, the second Kirschner wire is adjusted to a proper driving position, and finally a first screw shaft 19 is rotated, so that the first screw shaft 19 extends into a clamping hole 18 to clamp the supporting block 12.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Although the U-shaped bracket 10, the fixing block 11, the supporting block 12, the needle hole 13, the rotating mechanism 14, the hollow cylinder 15, the ring 16, the locking mechanism 17, the locking hole 18, the first screw shaft 19, the guide rod 20, the slide rod 21, the second screw shaft 22, the detachable mechanism 23, the mounting block 24, the i-shaped groove 25, the third screw shaft 26, the fixing hole 27, etc. are more used herein, these terms are used only for convenience of describing and explaining the essence of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides a kirschner wire director of improvement, includes U-shaped support (10), its characterized in that, wherein one end of U-shaped support (10) be equipped with fixed block (11), the other end of U-shaped support (10) be equipped with supporting shoe (12), supporting shoe (12) in be equipped with two pinhole (13) at least, pinhole (13) be the vertical form with the montant of U-shaped support (10), supporting shoe (12) still rotate through the tip of rotary mechanism (14) with U-shaped support (10) and be connected, rotary mechanism (14) function make the position of supporting shoe (12) rotation regulation pinhole (13).
2. An improved kirschner wire guide as claimed in claim 1, wherein said rotating mechanism (14) comprises a cylindrical upper hollow cylinder (15) arranged at the end of the U-shaped support (10), said support block (12) being cylindrical and adapted to the hollow cylinder (15), wherein one needle hole (13) is located on the axial center of the support block (12), and the remaining needle holes (13) are located on the axial side of the support block (12).
3. An improved kirschner wire guide as claimed in claim 2, wherein both ends of the support block (12) have a ring (16) outside the hollow cylinder (15), the outer diameter of the ring (16) is larger than the outer diameter of the hollow cylinder (15), and the two rings (16) abut against both ends of the hollow cylinder (15), respectively.
4. An improved kirschner wire guide as claimed in claim 2, wherein a locking mechanism (17) is further connected between the support block (12) and the hollow cylinder (15), said locking mechanism (17) enabling the support block (12) and the hollow cylinder (15) to form a snap connection.
5. The improved kirschner wire guider according to claim 4, wherein said locking mechanism (17) comprises at least one circle of snap ring arranged on the outer surface of the supporting block (12), said snap ring has a plurality of snap holes (18) arranged in turn at equal intervals, said hollow cylinder (15) is provided with a first screw shaft (19) corresponding to the snap ring, said first screw shaft (19) is screwed with the hollow cylinder (15) and can extend into the snap holes (18).
6. An improved K-wire guide as claimed in claim 1, wherein the cross bar of the U-shaped bracket (10) is a telescopic cross bar.
7. An improved K-wire guide as claimed in claim 6, wherein the cross bar of said U-shaped bracket (10) is comprised of a guide bar (20) and a slide bar (21), said slide bar (21) extending into and slidably engaging said guide bar (20).
8. An improved K-wire guider according to claim 7, characterized in that a second screw shaft (22) is rotatably connected to the guide rod (20), and the second screw shaft (22) extends into the slide rod (21) and is screwed with the slide rod.
9. An improved kirschner wire guide as claimed in claim 1, wherein said fixing block (11) is provided with a resisting block, said fixing block (11) is connected with the U-shaped bracket (10) by a detachable mechanism (23).
10. The improved kirschner wire guider according to claim 9, wherein said detachable mechanism (23) comprises an erecting block (24) arranged at the end of the U-shaped bracket (10), said erecting block (24) is provided with an i-shaped slot (25), said fixing block (11) is slidably connected with the i-shaped slot (25), said erecting block (24) is screwed with two third screw shafts (26), said fixing block (11) is provided with two fixing holes (27), and the two third screw shafts (26) can extend into the two fixing holes (27) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339595.9U CN215874906U (en) | 2021-02-05 | 2021-02-05 | Improved kirschner wire guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339595.9U CN215874906U (en) | 2021-02-05 | 2021-02-05 | Improved kirschner wire guider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215874906U true CN215874906U (en) | 2022-02-22 |
Family
ID=80339121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120339595.9U Expired - Fee Related CN215874906U (en) | 2021-02-05 | 2021-02-05 | Improved kirschner wire guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215874906U (en) |
-
2021
- 2021-02-05 CN CN202120339595.9U patent/CN215874906U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220324 Address after: 313100 No.66 Taihu Middle Road, Longshan street, Changxing County, Huzhou City, Zhejiang Province Patentee after: CHANGXING COUNTY PEOPLE'S Hospital Address before: No. 100, Qiaohe village, Changxing County, Zhejiang Province Patentee before: Jin Liang |
|
| 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: 20220222 |