CN108852486A - It is used to fix device outside a kind of orthopaedics hand bone - Google Patents
It is used to fix device outside a kind of orthopaedics hand bone Download PDFInfo
- Publication number
- CN108852486A CN108852486A CN201810446921.9A CN201810446921A CN108852486A CN 108852486 A CN108852486 A CN 108852486A CN 201810446921 A CN201810446921 A CN 201810446921A CN 108852486 A CN108852486 A CN 108852486A
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- Prior art keywords
- turn
- connector
- connecting rod
- hole
- fixed pin
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- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6458—Devices extending alongside the bones to be positioned with pin-clamps fixed at ends of connecting element
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6466—Devices extending alongside the bones to be positioned with pin-clamps movable along a solid connecting rod
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to medical instruments fields more particularly to a kind of orthopaedics for fixed frame fixed outside bone.A kind of fixed frame that orthopaedics is fixed outside for bone, the external fixing rack are made of fixed plate and four fixed pins, and the fixed pin is fixed in fixed plate by X-axis fixed link and Y-axis fixed link；The fixed rack structure is simple, and fixed easy to adjust, any position of adjustable each fixed pin, more efficiently fixation of bone fragments carries out convenient for operation.
Description
Technical field
The present invention relates to be used to fix device outside medical instruments field more particularly to a kind of orthopaedics hand bone.
Background technique
Chinese invention patent（CN105411659A）A kind of external fixator for orthopedics dep is disclosed, including support rod, nail rod clamp
Mechanism and bone nail, nail rod clamp system are equipped with array, and every group is mainly made of U-shaped folder I, bulb handle, bolt.Bulb handle one end is set
There is a bulb, centre is equipped with neck, and the other end is equipped with taper thread hole, and taper thread hole is for installing bone nail, in the end of the two sidewalls U-shaped folder I
Side is equipped with ball-and-socket, and bulb is placed in ball-and-socket, and bulb is equipped with inner hole, and inner hole is made of two taper holes, and the osculum of two taper holes docks big mouth
Outward, U-shaped folder I has elasticity, and bottom is set as semi-circular thin-walled, and extends inwardly two boss along its Inner arc, for embracing
Firmly support rod, ball-and-socket side are equipped with threaded hole, and the other side is equipped with unthreaded hole, screw bolt passes unthreaded hole and inner hole and is threaded onto threaded hole
On, during bolt screws, semi-circular thin-walled deforms first clamps support rod, and then the two sidewalls of U-shaped folder I are again
It is deformed and clamps bulb, keep operation easier, clamping force is bigger, locks more reliable.But the patent fixed frame is in the presence of vertical
To fixation, do not fixed then in other methods, can not stablize multi-angle effectively fix hand bone.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide being used to fix device outside a kind of orthopaedics hand bone,
The apparatus structure is simple, and fixation is easy to adjust, and lateral fixed pin is additionally provided in end, and it is effectively solid can to stablize multi-angle
Determine hand bone, is carried out convenient for operation.
In order to achieve the above purpose, present invention employs technical solutions below：
Be used to fix device outside a kind of orthopaedics hand bone, the device include first connecting rod, first turn of connector, the first fixed pin,
Second turn of connector, the second connecting rod, third turn connector and the second fixed pin；It is characterized in that,
First connecting rod is longitudinally disposed along hand bone, and first turn of connector and the first fixed pin are respectively more sets, and first is solid
Determine needle to be vertically fixed on first connecting rod by first turn of connector；
First turn of connector is made of the first U-shaped fixing clamp, the first latch segment and the first lock-screw, and first is U-shaped solid
Clamp is made of interconnecting piece, left intermediate plate and right clamping piece, interconnecting piece is provided with the first holes for clamping, the inside of left intermediate plate is axially arranged
There is square hole, the inside of right clamping piece is axially provided with the first round hole with step, sets on the right side of first latch segment
It is equipped with square boss, square boss is adapted with square hole, and the first latch segment is provided with the second holes for clamping perpendicular to square boss,
And the end of square boss is provided with the first threaded hole, the square boss is arranged in square hole, the first lock-screw
It is arranged in the first round hole and is connected with first threaded hole；
The first connecting rod is threaded through in the second holes for clamping, and first fixed pin is threaded through in the first holes for clamping, by
First lock-screw and the first threaded hole, which screw, makes first connecting rod and the first fixed pin are locked respectively in the second holes for clamping
With the first holes for clamping；
Second turn of connector, the second connecting rod, third turns connector and the second fixed pin is respectively two sets, two second
Connecting rod passes through second turn of connector respectively and is arranged in two first fixed pins of first connecting rod end, and the second fixed pin is logical
It crosses third and turns connector and be fixedly connected with the second connecting rod；
The structure that second turn of connector and third turn connector is identical, by the second U-shaped fixing clamp, ball-and-socket bolt, ball rod, U
Type part and the second lock-screw are constituted, and the second U-shaped fixing clamp is made of interconnecting piece, left intermediate plate and right clamping piece, are arranged in interconnecting piece
There is third holes for clamping, the inside of left intermediate plate is axially provided with the first threaded hole, and the left end of right clamping piece is identical as the first threaded hole
The second threaded hole, middle part is provided with the first half ball-and-sockets, axis hole is arranged in right-hand end, the screw rod of the ball-and-socket bolt is worn
It is provided with the second half ball-and-socket identical with the first half ball-and-sockets in the first threaded hole and the second threaded hole, and in the end of screw rod,
When screw rod screws, identical the second half ball-and-socket of the first half ball-and-sockets constitutes entire ball-and-socket, and the end of the ball rod is set
It is equipped with bulb, bulb is arranged in ball-and-socket, and the bar portion of ball rod is threaded through in axis hole, and the diameter of bar portion is less than between axis hole,
Bar portion end is fixedly connected with the U-shaped part, and the two-arm of U-shaped part is respectively arranged with screw hole, and second lock-screw is set
It sets in a screw hole；
First fixed pin is threaded through on the second U-shaped fixing clamp of second turn of connector and is locked by ball-and-socket bolt, and second connects
Extension bar is threaded through in the U-shaped mouth of U-shaped part and is locked by the second lock-screw, is fixed at third in the other end of the second connecting rod
Turn on the U-shaped part of connector, the fixed third of second fixed pin turns to pass through tune on the second U-shaped fixing clamp of connector
Whole two sets of second turn of connectors, the second connecting rod and third turn the position of connector, make two described in the second fixed pin it is opposite
Setting, and it is perpendicular with the first fixed pin.
Preferably, first fixed pin is four, four first fixed pins are equidistantly uniformly located at first connecting rod
On.
Preferably, the arc groove being adapted to first connecting rod excircle is arranged in the end of the first left intermediate plate.
Preferably, the thickness of the first left intermediate plate is greater than the first right clamping piece, the thickness of the second right clamping piece is greater than
Second left intermediate plate.
Due to the adoption of the above technical solution, the apparatus structure is simple by the present invention, and fixation is easy to adjust, also sets in end
It is equipped with lateral fixed pin, multi-angle can be stablized and effectively fix hand bone, carried out convenient for operation.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the structural schematic diagram of first turn of connector.
Fig. 4, Fig. 5 are the structural schematic diagram of the first U-shaped fixing clamp.
Fig. 6 is the structural schematic diagram of second turn of connector.
Fig. 7, Fig. 8 are the structural schematic diagram of the second U-shaped fixing clamp.
Specific embodiment
A specific embodiment of the invention is made a detailed explanation with reference to the accompanying drawing.
It is used to fix device outside a kind of orthopaedics hand bone as shown in Figure 1 and Figure 2, which includes first connecting rod 1, first
Turn connector 2,3, second turns of connectors 4 of the first fixed pin, the second connecting rod 5, third and turns connector 6 and the second fixed pin 7.The
One connecting rod 1 is longitudinally disposed along hand bone, and first turn of connector 2 and the first fixed pin 3 are respectively four sets, and four first solid
Determine needle 3 to be vertically fixed on first connecting rod 1 by first turn of connector 2.
As shown in figure 3, figure 4 and figure 5, first turn of connector 2 is by the first latch segment 21, the first U-shaped 22 and of fixing clamp
First lock-screw 23 is constituted, and the first U-shaped fixing clamp 22 is by first connecting portion 221, the first left intermediate plate 222 and the first right clamping piece
223 are constituted, and the thickness of the first left intermediate plate 222 is greater than the first right clamping piece 223.First connecting portion 221 is provided with the first holes for clamping
224, the inside of the first left intermediate plate 222 is axially provided with square hole 225, and the inside of the first right clamping piece 223, which is axially provided with, to be had
First round hole 227 of step, the right side of first latch segment 21 are provided with square boss 211, square boss 211 and side
Shape hole 225 is adapted, and the first latch segment 21 is provided with the second holes for clamping 212 perpendicular to square boss 211, and in square boss
211 end is provided with the first threaded hole 213, and the square boss 211 is arranged in square hole 225, the first lock-screw
23 are arranged in the first round hole 227 and are connected with first threaded hole 213.The end of first left intermediate plate 222 is arranged
The arc groove 226 being adapted to 1 excircle of first connecting rod.
As shown in Figure 1, the first connecting rod 1 is threaded through in the second holes for clamping 212, first fixed pin 3 is worn
It is located in the first holes for clamping 224, being screwed by the first lock-screw 23 with the first threaded hole 213 consolidates first connecting rod 1 and first
Determine needle 3 to be locked respectively in the second holes for clamping 212 and the first holes for clamping 224.
As shown in Fig. 2, second turn of connector 4, the second connecting rod 5, third turn connector 6 and the second fixed pin 7
Respectively two sets, two second connecting rods 5 are arranged in two pieces of 1 end of first connecting rod the by second turn of connector 4 respectively
In one fixed pin 3, the second fixed pin 7 turns connector 6 by third and is fixedly connected with the second connecting rod 5.
As shown in Fig. 6, Fig. 7, Fig. 8, the structure that second turn of connector 4 and third turn connector 6 is identical, by ball-and-socket bolt
41, the second U-shaped fixing clamp 42, ball rod 43, U-shaped part 44 and the second lock-screw 45 are constituted, and the second U-shaped fixing clamp 42 is by second
Interconnecting piece 421, the second left intermediate plate 422 and the second right clamping piece 423 are constituted, and the thickness of the second right clamping piece 423 is greater than the second left intermediate plate
422.Second connecting portion 421 is provided with third holes for clamping 424, the inside of the second left intermediate plate 422 is axially provided with the second screw thread
The left end in hole 425, the second right clamping piece 423 is third threaded hole 426 identical with the second threaded hole 425, and middle part is provided with first
Axis hole 428 is arranged in right-hand end in half ball-and-socket 427, and the screw rod of the ball-and-socket bolt 41 is threaded through the second threaded hole 425 and the
In three threaded holes 426, and the end of screw rod is provided with the second half ball-and-socket 411 identical with the first half ball-and-sockets 427, is revolved in screw rod
When tight, identical the second half ball-and-socket 411 of the first half ball-and-sockets 427 constitutes entire ball-and-socket, and the end of the ball rod 43 is set
It is equipped with bulb, bulb is arranged in ball-and-socket, and the bar portion of ball rod 43 is threaded through in axis hole 428, and the diameter of bar portion is less than axis hole 428
Between, bar portion end is fixedly connected with the U-shaped part 44, and the two-arm of U-shaped part 44 is respectively arranged with screw hole 441, described
Second lock-screw 45 is arranged in a screw hole 441.
As shown in Fig. 2, first fixed pin 3 is threaded through on the second U-shaped fixing clamp 42 of second turn of connector 4 by ball
Nest bolt 41 is locked, and the second connecting rod 5 is threaded through in the U-shaped mouth of U-shaped part 44 and is locked by the second lock-screw 45, in the second connection
The other end of bar 5 is fixed at third and turns on the U-shaped part 44 of connector 6, and the fixed third of second fixed pin 7 turns company
On the U-shaped fixing clamp 42 of the second of connector 6, turn connector 6 by adjusting two sets of second turn of connectors 4, the second connecting rod 5 and third
Position, make two described in the second fixed pin 7 be arranged oppositely, and it is perpendicular with the first fixed pin 3.
Claims (5)
1. being used to fix device outside a kind of orthopaedics hand bone, which includes first connecting rod（1）, first turn of connector（2）, first
Fixed pin（3）, second turn of connector（4）, the second connecting rod（5）, third turn connector（6）With the second fixed pin（7）；Its feature
It is,
First connecting rod（1）First turn of longitudinally disposed along hand bone, described connector（2）With the first fixed pin（3）It is respectively more
Set, the first fixed pin（3）Pass through first turn of connector（2）It is vertically fixed on first connecting rod（1）On；
First turn of connector（2）By the first latch segment（21）, the first U-shaped fixing clamp（22）With the first lock-screw（23）
It constitutes, the first U-shaped fixing clamp（22）By first connecting portion（221）, the first left intermediate plate（222）With the first right clamping piece（223）It constitutes,
In first connecting portion（221）It is provided with the first holes for clamping（224）, the first left intermediate plate（222）Inside be axially provided with square hole
（225）, the first right clamping piece（223）Inside be axially provided with the first round hole with step（227）, described first locking
Block（21）Right side be provided with square boss（211）, square boss（211）With square hole（225）It is adapted, the first latch segment
（21）Perpendicular to square boss（211）It is provided with the second holes for clamping（212）, and in square boss（211）End be provided with
One threaded hole（213）, the square boss（211）It is arranged in square hole（225）It is interior, the first lock-screw（23）Setting is the
One round hole（227）It is interior and with first threaded hole（213）It is connected；
The first connecting rod（1）It is threaded through the second holes for clamping（212）The first interior, described fixed pin（3）It is threaded through first
Holes for clamping（224）It is interior, by the first lock-screw（23）With the first threaded hole（213）Screwing makes first connecting rod（1）It is solid with first
Determine needle（3）It is locked respectively in the second holes for clamping（212）With the first holes for clamping（224）；
Second turn of connector（4）, the second connecting rod（5）, third turn connector（6）With the second fixed pin（7）Respectively
Two sets, two second connecting rods（5）Pass through second turn of connector respectively（4）It is arranged in first connecting rod（1）Two of end
One fixed pin（3）On, the second fixed pin（7）Turn connector by third（6）With the second connecting rod（5）It is fixedly connected；
Second turn of connector（4）Turn connector with third（6）Structure it is identical, by ball-and-socket bolt（41）, the second U-shaped fixing clamp
（42）, ball rod（43）, U-shaped part（44）With the second lock-screw（45）It constitutes, the second U-shaped fixing clamp（42）By second connecting portion
（421）, the second left intermediate plate（422）With the second right clamping piece（423）It constitutes, in second connecting portion（421）It is provided with third holes for clamping
（424）, the second left intermediate plate（422）Inside be axially provided with the second threaded hole（425）, the second right clamping piece（423）Left end be
With the second threaded hole（425）Identical third threaded hole（426）, middle part is provided with the first half ball-and-sockets（427）, set in right-hand end
Axis placing hole（428）, the ball-and-socket bolt（41）Screw rod be threaded through the second threaded hole（425）With third threaded hole（426）It is interior,
And it is provided with and the first half ball-and-sockets in the end of screw rod（427）Identical the second half ball-and-socket（411）, when screw rod screws,
The first half ball-and-sockets（427）Identical the second half ball-and-socket（411）Constitute entire ball-and-socket, the ball rod（43）End be provided with
Bulb, bulb are arranged in ball-and-socket, ball rod（43）Bar portion be threaded through axis hole（428）Interior, the diameter of bar portion is less than axis hole
（428）Between, bar portion end and the U-shaped part（44）It is fixedly connected, U-shaped part（44）Two-arm be respectively arranged with screw hole
（441）, second lock-screw（45）It is arranged in a screw hole（441）It is interior；
First fixed pin（3）It is threaded through second turn of connector（4）The second U-shaped fixing clamp（42）On by ball-and-socket bolt
（41）Locking, the second connecting rod（5）It is threaded through U-shaped part（44）U-shaped mouth in by the second lock-screw（45）Locking connects second
Extension bar（5）The other end be fixed at third and turn connector（6）U-shaped part（44）On, second fixed pin（7）It is fixed
Third turn connector（6）The second U-shaped fixing clamp（42）On, by adjusting two sets of second turn of connectors（4）, the second connecting rod
（5）Turn connector with third（6）Position, make two described in the second fixed pin（7）Be arranged oppositely, and with the first fixed pin
（3）It is perpendicular.
2. being used to fix device outside a kind of orthopaedics hand bone according to claim 1, feature is being, described first is solid
Determine needle（3）It is four, four first fixed pins（3）Equidistantly uniformly it is located at first connecting rod（1）On.
3. being used to fix device outside a kind of orthopaedics hand bone according to claim 1, feature is being, the first left intermediate plate
（222）End setting and first connecting rod（1）The arc groove of excircle adaptation（226）.
4. being used to fix device outside a kind of orthopaedics hand bone according to claim 1, feature is being, the first left intermediate plate
（222）Thickness be greater than the first right clamping piece（223）.
5. being used to fix device outside a kind of orthopaedics hand bone according to claim 1, feature is being, the second right clamping piece
（423）Thickness be greater than the second left intermediate plate（422）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810446921.9A CN108852486A (en) | 2018-05-11 | 2018-05-11 | It is used to fix device outside a kind of orthopaedics hand bone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810446921.9A CN108852486A (en) | 2018-05-11 | 2018-05-11 | It is used to fix device outside a kind of orthopaedics hand bone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108852486A true CN108852486A (en) | 2018-11-23 |
Family
ID=64333260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810446921.9A Pending CN108852486A (en) | 2018-05-11 | 2018-05-11 | It is used to fix device outside a kind of orthopaedics hand bone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108852486A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030181911A1 (en) * | 2000-08-31 | 2003-09-25 | Daniele Venturini | External splint device for reducing bone fractures |
| CN1463678A (en) * | 2002-06-17 | 2003-12-31 | 颜宗宝 | Orthopaedic slide exterior fixing device |
| US20050245939A1 (en) * | 2002-06-14 | 2005-11-03 | Joseph Ferrante | Device and methods for placing external fixation elements |
| WO2014013517A1 (en) * | 2012-07-20 | 2014-01-23 | Assut Europe S.P.A. | Fixing device for a bone fracture at the wrist |
| CN205924134U (en) * | 2016-06-09 | 2017-02-08 | 苏州爱得科技发展股份有限公司 | Medical polymer bone external fixation |
| US20170252069A1 (en) * | 2015-12-03 | 2017-09-07 | Globus Medical, Inc. | External fixator assembly |
-
2018
- 2018-05-11 CN CN201810446921.9A patent/CN108852486A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030181911A1 (en) * | 2000-08-31 | 2003-09-25 | Daniele Venturini | External splint device for reducing bone fractures |
| US20050245939A1 (en) * | 2002-06-14 | 2005-11-03 | Joseph Ferrante | Device and methods for placing external fixation elements |
| CN1463678A (en) * | 2002-06-17 | 2003-12-31 | 颜宗宝 | Orthopaedic slide exterior fixing device |
| WO2014013517A1 (en) * | 2012-07-20 | 2014-01-23 | Assut Europe S.P.A. | Fixing device for a bone fracture at the wrist |
| US20170252069A1 (en) * | 2015-12-03 | 2017-09-07 | Globus Medical, Inc. | External fixator assembly |
| CN205924134U (en) * | 2016-06-09 | 2017-02-08 | 苏州爱得科技发展股份有限公司 | Medical polymer bone external fixation |
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| PB01 | Publication | ||
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Application publication date: 20181123 |