CN108392255A - Anchor-shaped fracture fixation device - Google Patents
Anchor-shaped fracture fixation device Download PDFInfo
- Publication number
- CN108392255A CN108392255A CN201810379048.6A CN201810379048A CN108392255A CN 108392255 A CN108392255 A CN 108392255A CN 201810379048 A CN201810379048 A CN 201810379048A CN 108392255 A CN108392255 A CN 108392255A
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- Prior art keywords
- anchor
- ring
- anchor ring
- anchor pole
- center
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- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/683—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut
Abstract
The problems such as anchor-shaped fracture fixation device, there are complication after effective solution fixing device is inconvenient and treatment；Its technical solution solved the problems, such as is, including center anchor ring, there are two the grasps of different directions for the oblique stretching of center anchor ring homonymy, center anchor ring both sides are symmetrically connected with the first anchor ring and the second anchor ring that same level is in center anchor ring, it is extended with the first anchor pole for being located at homonymy with grasp outside first anchor ring, the second anchor pole for being located at homonymy with grasp is extended with outside second anchor ring, the first anchor pole end is equipped with the first anchor pole ring, and the second anchor pole end is equipped with the second anchor pole ring.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly to a kind of anchor-shaped fracture fixation device.
Background technology
Hammer finger（Mallet Finger）It is that extensor digitorum muscle of hand tendon is broken at stop, occurs what a kind of minor details cannot stretch
Deformity.Hammer finger deformity parting：A kind of deformity for bone：Avulsion fracture i.e. at the attachment of digital tip extensor tendon stop；One
Kind is the deformity of tendon, i.e., extensor disinsertion at stop.Often there is smaller external force to cause, for example opens the door or play basketball and damage：Cause
Digital tip makees unbending movement under extensor contraction when to take object, by unexpected external collision, makes digital tip that strength occur
Buckling, buckling and the strength stretched cause extensor tendon minor details stop to be broken, and often have minor details basal part stop avulsion fracture.
It is more for wherein hammer finger deformity treatment method at present.Including expectant treatment and operative treatment two ways.Tendon
Property hammer finger deformity operative treatment be divided into simple suture, steel wire extracting method, miniature bone anchor or boring method and rebuild extensor tendon stop, pass
Section fusion.Bone hammer finger operative treatment has closed fracture open reduction Kirschner wire inner fixed law, hook plate and Shi Heifa again.
These operation methods all take dorsal side approach, and there are a series of complication：Finger back side notch skin peeling causes skin bad
Extremely, tendon suture knot is reacted, and Kirschner wire effectively can not fix or cause bone block fragmentation when bone block is smaller, and fixation is tired after making reset
Difficulty easily causes displacement fracture and can not for being unable to get very high interior fixing intensity compared with the fixation of big bone micro arc bone anchor method
Early functional exercise, and smaller bone block, Kirschner wire and hook plate are fixed and be easy avulsion；Avulsion is disconnected again from stop for tendon
It splits.Hook plate, which is easy to damage nail matrix root, causes nail growth lopsided.Formulation, which is auxiliarily fixed, in postoperative long-time leads to anchylosis.
Invention content
For the above situation, to overcome the defect of the prior art, it is solid that the purpose of the present invention is just to provide a kind of anchor-shaped fracture
Determine device, the problems such as there are complication after effective solution fixing device is inconvenient and treatment.
Its technical solution solved the problems, such as is that the present invention includes center anchor ring, and there are two the oblique stretchings of center anchor ring homonymy
The grasp of different directions, center anchor ring both sides are symmetrically connected with the first anchor ring and second that same level is in center anchor ring
Anchor ring, the first anchor ring are extended with the first anchor pole for being located at homonymy with grasp, are extended with outside the second anchor ring and are located at homonymy with grasp outside
The second anchor pole, the first anchor pole end be equipped with the first anchor pole ring, the second anchor pole end be equipped with the second anchor pole ring.
The invention has the advantages that：1. catch on bone block using the operation principle of grasp connects tendon with anchor pole, either
Tendon sex deviation or bone sex deviation situation are applicable in, and simple tendon connects tendon from stop avulsion, by grasp, anchor pole with anchor ring
Stop restructuration is played, more convenient especially for avulsion bone block is smaller or bone block crushes, anchor ring can securely be consolidated
Determine bone block, anchor ring and anchor pole can assist connection that tendon is kept well to reset, and have early ambulant ability；2, it simplifies
Surgical procedure and reduce operation wound；3. after fracturing, damaging ligament or healing process of tendons, this fixing device can be taken out,
Foreign matter is not had and stays in patient's body, avoids the generation of foreign material repulsion reaction；And psychological burden will not be caused to patient；4. subtracting
Lack workload, alleviates the burden of doctor.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is the front view of the present invention.
Fig. 3 is the left view of the present invention.
Specific implementation mode
The specific implementation mode of the present invention is described in further detail below in conjunction with attached drawing 1-3.
By Fig. 1 to Fig. 3 it is found that a kind of anchor-shaped fracture fixation device of the present invention, including center anchor ring 1,1 homonymy of center anchor ring
There are two the grasp 2 of different directions, anchor ring 1 both sides in center are symmetrically connected with is in same level with center anchor ring 1 for oblique stretching
First anchor ring 3 and the second anchor ring 4 in face, the first anchor ring 3 are extended with the first anchor pole 5 for being located at homonymy with grasp 2, the second anchor ring outside
The second anchor pole 6 for being located at homonymy with grasp 2 is extended with outside 4,5 end of the first anchor pole is equipped with the first anchor pole ring 7,6 end of the second anchor pole
Portion is equipped with the second anchor pole ring 8.
The center anchor ring 1, the first anchor ring 3 and the second anchor ring 4 are in a ring and hollow, center anchor ring 1, the first anchor ring 3
It is respectively equipped with smooth first through hole 9, the second through-hole 10 and third through-hole 11 with 4 middle part of the second anchor ring.
First anchor pole 5 is parallel with the second anchor pole 6.
The grasp 2 is sharp keen in hook-shaped and tip.
The present invention when specifically used,
It is normal appear hammer finger avulsion tendon or（With）Bone hammer finger avulsion fracture block, the present apparatus are positioned over tendon surface, such as
Having sclerite first can be caught on afterwards with grasp 2 and then use-Tendon Suture will pass through the first anchor pole ring 7（Or second anchor pole
Ring 8）Wave passes through tendon again afterwards, then in the second anchor pole ring 8（Or the first anchor pole ring 7）After knot, it is fixed after
It is pulled to distal end on one anchor pole 5 or the second anchor pole 6, is resetted, the first anchor ring 3 and the second anchor ring 4 are passed through with Kirschner wire
Sclerite is fixed temporarily and in phalangette；At center, 9 position of first through hole of anchor ring 1 drills to phalangette, then will
Tapping screw from first through hole 9 be screwed into Kirschner wire there are cavity, twist screw, under externally threaded collective effect, ailhead and
Rivet nut is screwed into sclerotin, and it is outer with fixed center anchor ring 1 that nail tail stays in center anchor ring 1；It exits and fixes the first anchor ring 3 and the second anchor ring
4 Kirschner wire, then it is screwed into the second through-hole 10 and third through-hole 11 stability that screw increases anchor-shaped device；It can also pass through
Second through-hole 10 or third through-hole 11 pass through tendon line and the ligament or tendon bone block of damage and the first anchor ring 3 or the second anchor ring 4
It is connected and fixed, further increases the firmness of the present apparatus.
First anchor pole 5 and the second anchor pole 6 can keep distal interphalangeal joint to be in and stretch position, prevent finger-joint from bending,
The effect of gypsum can be substituted, gypsum need not be fixed again on patient's finger, reduce operation link, shorten operating time.
Each part dimension is as follows in the present invention：
Grasp：Hook is long：3mm, hook are wide：3mm, the curved 1.5mm of hook；Anchor ring（Including center anchor ring 1, the first anchor ring 3 and the second anchor ring
4）：Outer diameter 5-6mm, internal diameter 1.0mm；Through-hole（Including first through hole 9, the second through-hole 10 and third through-hole 11）：Diameter 1.0mm；
Head of screw：Diameter 1.2mm；Head of screw slot：Interior angle four directions width 0.6mm；Screw：Diameter 1.0mm；External screw thread：Tooth away from 0.8mm,
Tooth number：5；Anchor pole（Including the first anchor pole 5 and the second anchor pole 6）：Long 6mm, wide 3mm, high 2mm；Anchor pole ring（Including the first anchor pole
Ring 7 and the second anchor pole ring 8）：Outer diameter 3mm, internal diameter 1mm.
The invention has the advantages that：1. catch on bone block using the operation principle of grasp connects tendon with anchor pole, either
Tendon sex deviation or bone sex deviation situation are applicable in, and simple tendon connects tendon from stop avulsion, by grasp, anchor pole with anchor ring
Stop restructuration is played, more convenient especially for avulsion bone block is smaller or bone block crushes, anchor ring can securely be consolidated
Determine bone block, anchor ring and anchor pole can assist connection that tendon is kept well to reset, and have early ambulant ability；2, it simplifies
Surgical procedure and reduce operation wound；3. after fracturing, damaging ligament or healing process of tendons, this fixing device can be taken out,
Foreign matter is not had and stays in patient's body, avoids the generation of foreign material repulsion reaction；And psychological burden will not be caused to patient；4. subtracting
Lack workload, alleviates the burden of doctor.
Claims (4)
1. anchor-shaped fracture fixation device, which is characterized in that including center anchor ring（1）, center anchor ring（1）Homonymy is oblique to be extended with two
The grasp of a different directions（2）, center anchor ring（1）Both sides are symmetrically connected with and center anchor ring（1）In same level
One anchor ring（3）With the second anchor ring（4）, the first anchor ring（3）It is outer to be extended with and grasp（2）Positioned at the first anchor pole of homonymy（5）, second
Anchor ring（4）It is outer to be extended with and grasp（2）Positioned at the second anchor pole of homonymy（6）, the first anchor pole（5）End is equipped with the first anchor pole ring
（7）, the second anchor pole（6）End is equipped with the second anchor pole ring（8）.
2. anchor-shaped fracture fixation device according to claim 1, which is characterized in that the center anchor ring（1）, the first anchor
Ring（3）With the second anchor ring（4）It is in a ring and hollow, center anchor ring（1）, the first anchor ring（3）With the second anchor ring（4）Middle part is set respectively
There is smooth first through hole（9）, the second through-hole（10）And third through-hole（11）.
3. anchor-shaped fracture fixation device according to claim 1, which is characterized in that first anchor pole（5）With second
Anchor pole（6）It is parallel.
4. anchor-shaped fracture fixation device according to claim 1, which is characterized in that the grasp（2）In hook-shaped and sharp
It holds sharp keen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379048.6A CN108392255B (en) | 2018-04-25 | 2018-04-25 | Anchor-shaped fracture fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379048.6A CN108392255B (en) | 2018-04-25 | 2018-04-25 | Anchor-shaped fracture fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108392255A true CN108392255A (en) | 2018-08-14 |
| CN108392255B CN108392255B (en) | 2020-05-01 |
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ID=63100548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810379048.6A Active CN108392255B (en) | 2018-04-25 | 2018-04-25 | Anchor-shaped fracture fixing device |
Country Status (1)
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| CN (1) | CN108392255B (en) |
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| CN108392255B (en) | 2020-05-01 |
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