CN211433228U - Cross Kirschner wire external fixator - Google Patents
Cross Kirschner wire external fixator Download PDFInfo
- Publication number
- CN211433228U CN211433228U CN201921880507.5U CN201921880507U CN211433228U CN 211433228 U CN211433228 U CN 211433228U CN 201921880507 U CN201921880507 U CN 201921880507U CN 211433228 U CN211433228 U CN 211433228U
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- Prior art keywords
- seat
- needle
- kirschner wire
- adjusting
- fixing
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- 230000007246 mechanism Effects 0.000 claims abstract description 74
- 230000000149 penetrating effect Effects 0.000 claims abstract description 18
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 206010019114 Hand fracture Diseases 0.000 abstract description 3
- 239000013013 elastic material Substances 0.000 abstract description 2
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 208000024779 Comminuted Fractures Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001145 finger joint Anatomy 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model relates to an external fixer for crossed kirschner wires, which comprises an arranging mechanism, wherein two sides of the arranging mechanism are respectively provided with an adjusting mechanism, the adjusting mechanisms are symmetrically arranged about the arranging mechanism, each adjusting mechanism is provided with a plurality of fixing mechanisms, the fixing mechanisms are in sliding connection with the corresponding adjusting mechanisms, and each fixing mechanism is used for inserting a kirschner wire; the adjusting nut is rotated through threads to rotate along the tube body of the embedded fixed tube, the truncated cone-shaped groove body in the adjusting nut presses and gathers the embedded fixed tube made of elastic materials, and the Kirschner wire is fixed on the needle threading seat and the embedded fixed mechanism; the Kirschner wire can be adjusted in height by means of the adjusting screw rod, and adjusted in angle position by means of the sliding seat, so that the Kirschner wire is more flexible; the cross fixation is carried out on the two sides of the fractured finger by means of the plurality of Kirschner wires, the fixation effect is better, the joint is not required to be damaged by penetrating, and the possibility of aggravating the damage is greatly reduced.
Description
Technical Field
The utility model relates to a kirschner wire uses technical field, concretely relates to alternately external fixation ware of kirschner wire.
Background
Severe finger trauma typically involves comminuted fractures of the phalanges, which require fixation for treatment and recovery.
Such an illness state is generally treated by means of operations such as phalangeal osteotomy correction, kirschner wire internal fixation, scar loosening Z-shaped formation, flap repair and the like, a fractured finger needs to be clamped and fixed by means of a fixing device, and the existing fixing device is single in function, cannot be flexibly adjusted, and cannot be adaptively adjusted according to different malformation conditions.
In order to solve the above problems, there is a technology disclosed in CN204618371U, which uses a threaded rod and a replaceable component, and uses a kirschner wire or other equipment to fix the device in multiple directions and angles, and has the functions of correcting the flexion deformity, extending the fingers and shortening the deformity.
However, the fixing effect of a single kirschner wire is insufficient, the normal operation of operation or postoperative recovery can be influenced, a large amount of unilateral sclerotin is damaged, the fixation is realized by using the single kirschner wire, the kirschner wire needs to penetrate through the damaged joint of the articular surface, and the damage is easy to enlarge.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides an outer fixer of k's needle alternately has mainly solved the fixed fracture finger of k's needle and can't adjust in a flexible way, and single k's needle is fixed relatively poor in effect, and single k's needle must pierce through the damage joint and then easily expands damage scheduling problem.
In order to solve the problem, the utility model adopts the following technical scheme:
an external fixator for cross Kirschner wires comprises an arranging mechanism,
two sides of the mounting mechanism are respectively provided with an adjusting mechanism which is symmetrically arranged around the mounting mechanism,
each adjusting mechanism is provided with a plurality of fixing mechanisms which are connected with the corresponding adjusting mechanisms in a sliding way,
each fixing mechanism is used for inserting a kirschner wire.
In one mode, the placing mechanism comprises a placing seat, the top of the placing seat is provided with a placing groove,
one end of the placing seat is provided with a plurality of fixing belts,
a belt plug-in is arranged on the side wall at the other end of the placing seat,
the fixing belts are inserted into the belt plug-in units and fixed with the belt plug-in units through the insertion units.
In one mode, a plurality of the fixing belts are arranged on the placing seat at equal intervals.
In one mode, a layer of disinfection sponge is padded in the placing groove.
In one form, the adjustment mechanism includes a connecting frame connected to the placement mechanism,
an arc-shaped sliding groove is formed in the connecting frame.
In one form, the fixing mechanism includes a sliding seat slidably connected to the adjusting mechanism,
an adjusting screw rod is arranged in the sliding seat in a penetrating way,
the tail end of the adjusting screw rod is provided with a fixing nut,
the adjusting screw rod and the sliding seat are relatively static through the fixing nut.
In one mode, a needle-penetrating seat is arranged at the top of the adjusting screw rod,
the side surface of the needle penetrating seat is provided with an embedding mechanism, the Kirschner wire penetrates through the needle penetrating seat and the embedding mechanism, and the Kirschner wire is fixed on the needle penetrating seat through the embedding mechanism.
In one mode, the embedding and fixing mechanism comprises an embedding and fixing tube, the embedding and fixing tube is an elastic piece, one end of the embedding and fixing tube, which is far away from the needle penetrating seat, is of a multi-fork structure,
and one end of the embedded fixed pipe, which is far away from the needle penetrating seat, is provided with an adjusting nut, and the adjusting nut is in threaded connection with the embedded fixed pipe.
In one mode, the embedded and fixed pipe is a pipe fitting in a shape of a circular truncated cone,
the outer diameter d of the embedded fixed tube close to one end of the needle penetrating seat1Is smaller than the outer diameter d of one end of the needle-penetrating base far away from the needle-penetrating base2，
A through truncated cone-shaped groove body is formed in the adjusting nut, and the outer diameter d of the truncated cone-shaped groove body close to one end of the needle penetrating seat3Is smaller than the outer diameter d of one end of the needle-penetrating base far away from the needle-penetrating base4。
One way, the outer diameter d3Is smaller than the outer diameter d2Said outer diameter d3Is greater than the outer diameter d1Said outer diameter d4Is greater than the outer diameter d2。
The utility model has the advantages that:
1. the adjusting nut is rotated through threads to rotate along the tube body of the embedded fixed tube, the truncated cone-shaped groove body in the adjusting nut presses and gathers the embedded fixed tube made of elastic materials, and the Kirschner wire is fixed on the needle threading seat and the embedded fixed mechanism;
2. the Kirschner wire can be adjusted in height by means of the adjusting screw rod, and adjusted in angle position by means of the sliding seat, so that the Kirschner wire is more flexible;
3. the cross fixation is carried out on the two sides of the fractured finger by means of the plurality of Kirschner wires, the fixation effect is better, the joint is not required to be damaged by penetrating, and the possibility of aggravating the damage is greatly reduced.
Drawings
Fig. 1 is a schematic perspective view of an external cross kirschner wire fixator of the present invention;
fig. 2 is a schematic perspective view of the mounting mechanism and the adjusting mechanism of the present invention;
fig. 3 is a schematic perspective view of the fixing mechanism of the present invention;
fig. 4 is a sectional schematic view of the fixing mechanism of the present invention;
fig. 5 is an exploded view of the locking mechanism of the present invention;
fig. 6 is a schematic view of the tube of the present invention after the jaw portion is squeezed.
In the figure:
1. a placement mechanism; 2. an adjustment mechanism; 3. a fixing mechanism; 4. a Kirschner wire; 11. placing a seat; 12. fixing belts; 13. a strap plug-in; 14. an insert; 21. a connecting frame; 22. a sliding groove; 31. a sliding seat; 32. adjusting the screw rod; 33. a needle threading base; 34. fixing a nut; 35. an embedding mechanism; 351. embedding and fixing a pipe; 352. the nut is adjusted.
Detailed Description
The invention will be further described with reference to the accompanying drawings 1-6:
the utility model provides an outer fixer of crossing kirschner wire, as shown in figure 1, includes placement mechanism 1, and placement mechanism 1 both sides respectively are equipped with an guiding mechanism 2, and guiding mechanism 2 sets up about placement mechanism 1 symmetry, all is equipped with two fixed establishment 3 on every guiding mechanism 2, four fixed establishment 3 altogether, and every fixed establishment 3 all with corresponding guiding mechanism 2 sliding connection, can insert in every fixed establishment 3 and establish a kirschner wire 4.
As shown in fig. 2, the placement mechanism 1 includes a placement seat 11, a placement groove has been opened at the top of the placement seat 11, a layer of disinfection sponge is padded in the placement groove, two fixing bands 12 are provided at the end of the placement seat 11 away from the adjustment mechanism 2, five openings have been all opened on each fixing band 12, a strip insert 13 is provided on the side wall of the other end of the placement seat 11, two sockets provided along the vertical direction are provided on the strip insert 13, two openings provided along the horizontal direction are provided on the side wall of the strip insert 13, the two openings respectively vertically pass through two sockets on the strip insert 13, the fixing bands 12 pass through the corresponding sockets and are inserted in the strip insert 13, the insert 14 simultaneously passes through the openings on the fixing bands 12 and the strip insert 13, so that the two are fixed, the fixing bands 12 are adjusted according to the thickness of the finger of the patient to realize the fixation.
As shown in fig. 2, the adjusting mechanism 2 includes a connecting frame 21, the connecting frame 21 is connected to the mounting mechanism 1, and an arc-shaped sliding groove 22 is formed on the connecting frame 21.
As shown in fig. 3, the fixing mechanism 3 includes a sliding seat 31, the sliding seat 31 slides in an arc-shaped sliding groove 22 on the connecting frame 21, the top and the bottom of the sliding seat 31 are respectively provided with a clamping piece to prevent the sliding seat 31 from being separated from the sliding groove 22, an adjusting groove is formed in the sliding seat 31, an adjusting screw 32 is arranged in the adjusting groove, the adjusting screw 32 rotates along with a thread to adjust the height of the kirschner wire 4, a fixing nut 34 is arranged at the tail end of the adjusting screw 32, the fixing nut 34 rotates along with the thread from the bottom of the adjusting screw 32 upward until only abutting against the sliding seat 31, the height of the adjusting screw 32 is ensured to be fixed on the sliding seat 31, a needle penetrating seat 33 is arranged at the top of the adjusting screw 32, the needle penetrating seat 33 and the adjusting screw 32 are integrally formed, an embedding mechanism 35 is arranged on the side surface of the needle penetrating seat 33, the kirschner wire 4 simultaneously penetrates through the needle penetrating.
As shown in fig. 4 and 5, the locking mechanism 35 includes a locking tube 351, the locking tube 351 is an elastic member, one end of the locking tube 351 away from the needle base 33 is a three-fork structure and has a section of screw thread, an adjusting nut 352 is disposed at one end of the locking tube 351 away from the needle base 33, the adjusting nut 352 is in threaded connection with the locking tube 351, and the adjusting nut 352 can be screwed on the locking tube 351 along the screw thread.
As shown in fig. 4, 5 and 6, the engagement tube 351 is a truncated cone-shaped tube, and the engagement tube 351 has an outer diameter d near one end of the needle holder 331Is smaller than the outer diameter d of one end of the needle-penetrating seat 332The adjusting nut 352 is internally provided with a through truncated cone-shaped groove body, and the outer diameter d of one end of the truncated cone-shaped groove body, which is close to the needle-penetrating seat 333Is smaller than the outer diameter d of one end of the needle-penetrating seat 334Outer diameter d3Smaller than the outer diameter d2Outer diameter d3Greater than the outer diameter d1Outer diameter d4Greater than the outer diameter d2。
The use method and the working principle are as follows: the fracture finger of a patient is placed in the placing groove, the movable end of each fixing band 12 is inserted into the corresponding plug-in unit 13, the opening of each fixing band 12 is adjusted according to the thickness of the finger of the patient to be aligned with the opening of the corresponding plug-in unit 13, and the plug-in unit 14 is inserted to fix the root of the finger.
The adjusting screw 32 is rotated to adjust the four fixing mechanisms 3 to proper heights, and the four fixing nuts 34 are respectively rotated from bottom to top, so that the fixing mechanisms 3 can be fixed in the vertical direction because the threads of the fixing nuts 34 are not completely continuous with the threads in the sliding seat 31.
The four sliding seats 31 slide along the sliding grooves 22 to determine the puncture point of the kirschner wire 4, and because the sliding seats 31 are tightly attached to the connecting frame 21, the sliding seats 31 are free from external force, and the kirschner wire 4 can be fixed after being punctured into a finger, so that the possibility of self-sliding is basically avoided.
Insert ke shi needle 4 along the notch of wearing needle file 33, the syringe needle is worn out and is pierced the finger joint both sides from inlaying the top of fixed pipe 351, puncture to suitable degree of depth can, with the help of the cross puncture of four ke shi needles 4, the steadiness can basically be ensured, and need not to pierce through impaired joint, greatly reduced enlarges the possibility of damage.
Turning the adjusting nut 352 inwardly along the threads, d of the groove in the adjusting nut 3523Greater than d1But less than d2，d4Greater than d2So that the adjusting nut 352 can be smoothly moved on the fitting tube 351 and d3Greater than d1But less than d2Therefore, the adjusting nut 352 applies a pressure pointing to the center to the embedded pipe 351, the embedded pipe 351 is an elastic member and can be correspondingly bent after being stressed, and the embedded pipe 351 has a certain length and is of a three-fork structure, so that a structure similar to a drawing can be realized, and the compressed outer diameter d of the embedded pipe is5Will be less than d1,Finally, the kirschner wire 4 is fixed on the needle threading seat 33 and the embedding mechanism 35.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. Which all fall within the protection scope of the utility model. The protection scheme of the utility model is based on the appended claims.
Claims (10)
1. The utility model provides a cross ke shi needle external fixator which characterized in that: comprises a placement mechanism (1),
two sides of the mounting mechanism (1) are respectively provided with an adjusting mechanism (2), the adjusting mechanisms (2) are symmetrically arranged around the mounting mechanism (1),
each adjusting mechanism (2) is provided with a plurality of fixing mechanisms (3), the fixing mechanisms (3) are connected with the corresponding adjusting mechanisms (2) in a sliding way,
each fixing mechanism (3) is used for inserting one Kirschner wire (4).
2. The crossed kirschner wire external fixator of claim 1, wherein: the arrangement mechanism (1) comprises an arrangement seat (11), the top of the arrangement seat (11) is provided with an arrangement groove,
one end of the placing seat (11) is provided with a plurality of fixing belts (12),
a belt plug-in (13) is arranged on the side wall of the other end of the placing seat (11),
the fixing belts (12) are inserted into the belt plug-in pieces (13), and the fixing belts (12) and the belt plug-in pieces (13) are fixed through inserting pieces (14).
3. The crossed kirschner wire external fixator of claim 2, wherein: the fixing belts (12) are arranged on the placing seat (11) at equal intervals.
4. The crossed kirschner wire external fixator of claim 3, wherein: a layer of disinfection sponge is padded in the placing groove.
5. The crossed kirschner wire external fixator of claim 1, wherein: the adjusting mechanism (2) comprises a connecting frame (21), the connecting frame (21) is connected with the mounting mechanism (1),
an arc-shaped sliding groove (22) is formed in the connecting frame (21).
6. The crossed kirschner wire external fixator of claim 1, wherein: the fixing mechanism (3) comprises a sliding seat (31), the sliding seat (31) is connected with the adjusting mechanism (2) in a sliding way,
an adjusting screw rod (32) is arranged in the sliding seat (31) in a penetrating way,
a fixing nut (34) is arranged at the tail end of the adjusting screw rod (32),
the adjusting screw rod (32) and the sliding seat (31) are relatively static through the fixing nut (34).
7. The crossed kirschner wire external fixator of claim 6, wherein: a needle-penetrating seat (33) is arranged at the top of the adjusting screw rod (32),
be equipped with on the side of wearing needle file (33) and inlay decides mechanism (35), ke shi needle (4) pass wear needle file (33) with inlay decides mechanism (35), ke shi needle (4) pass through it fixes to inlay decides mechanism (35) wear on the needle file (33).
8. The crossed kirschner wire external fixator of claim 7, wherein: the embedded and fixed mechanism (35) comprises an embedded and fixed pipe (351), the embedded and fixed pipe (351) is an elastic piece, one end of the embedded and fixed pipe (351) far away from the needle penetrating seat (33) is of a multi-fork structure,
an adjusting nut (352) is arranged at one end, far away from the needle penetrating seat (33), of the embedded fixed tube (351), and the adjusting nut (352) is in threaded connection with the embedded fixed tube (351).
9. The crossed kirschner wire external fixator of claim 8, wherein: the embedded pipe (351) is a pipe fitting in a shape of a circular truncated cone,
the outer diameter d of one end of the embedded and fixed tube (351) close to the needle-penetrating seat (33)1Is smaller than the outer diameter d of one end of the needle-penetrating seat (33)2，
A through truncated cone-shaped groove body is arranged inside the adjusting screw cap (352), and the outer diameter d of the truncated cone-shaped groove body, which is close to one end of the needle penetrating seat (33)3Is smaller than the outer diameter d of one end of the needle-penetrating seat (33)4。
10. The crossed kirschner wire external fixator of claim 9, wherein: said outer diameter d3Is smaller than the outer diameter d2Said outer diameter d3Is greater than the outer diameter d1Said outer diameter d4Is greater than the outer diameter d2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921880507.5U CN211433228U (en) | 2019-11-04 | 2019-11-04 | Cross Kirschner wire external fixator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921880507.5U CN211433228U (en) | 2019-11-04 | 2019-11-04 | Cross Kirschner wire external fixator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211433228U true CN211433228U (en) | 2020-09-08 |
Family
ID=72306097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921880507.5U Expired - Fee Related CN211433228U (en) | 2019-11-04 | 2019-11-04 | Cross Kirschner wire external fixator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211433228U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110693586A (en) * | 2019-11-04 | 2020-01-17 | 华中科技大学同济医学院附属协和医院 | Cross Kirschner wire external fixator |
| CN113057595A (en) * | 2021-03-24 | 2021-07-02 | 中国中医科学院望京医院(中国中医科学院骨伤科研究所) | Spinal motion segment in-vivo loading device |
-
2019
- 2019-11-04 CN CN201921880507.5U patent/CN211433228U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110693586A (en) * | 2019-11-04 | 2020-01-17 | 华中科技大学同济医学院附属协和医院 | Cross Kirschner wire external fixator |
| CN110693586B (en) * | 2019-11-04 | 2024-08-20 | 华中科技大学同济医学院附属协和医院 | External fixator for crossed Kirschner wire |
| CN113057595A (en) * | 2021-03-24 | 2021-07-02 | 中国中医科学院望京医院(中国中医科学院骨伤科研究所) | Spinal motion segment in-vivo loading device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 |
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| CF01 | Termination of patent right due to non-payment of annual fee |