CN107184266A - A kind of fixing device fixed and healed beneficial to patellar fracture - Google Patents
A kind of fixing device fixed and healed beneficial to patellar fracture Download PDFInfo
- Publication number
- CN107184266A CN107184266A CN201710348119.1A CN201710348119A CN107184266A CN 107184266 A CN107184266 A CN 107184266A CN 201710348119 A CN201710348119 A CN 201710348119A CN 107184266 A CN107184266 A CN 107184266A
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- Prior art keywords
- wire
- feed plate
- wire feed
- arc
- groove
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- 230000009286 beneficial effect Effects 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 58
- 239000010959 steel Substances 0.000 claims abstract description 58
- 210000004417 patella Anatomy 0.000 claims abstract description 45
- 238000005452 bending Methods 0.000 claims abstract description 6
- 230000006378 damage Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 2
- 230000000399 orthopedic effect Effects 0.000 abstract description 2
- 206010017076 Fracture Diseases 0.000 description 21
- 210000003041 ligament Anatomy 0.000 description 10
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010017081 Fracture delayed union Diseases 0.000 description 1
- 206010034122 Patella fracture Diseases 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- 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
- A61B17/82—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin for bone cerclage
-
- 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
- A61B2017/564—Methods for bone or joint treatment
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurology (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
A kind of fixing device fixed and healed beneficial to patellar fracture, belongs to orthopedic medical device technical field, the fixation for patellar fracture.Its technical scheme is：The needle body rear portion limited location of fixed pin is raised, and fluted on the lower section needle body of spacing preiection, groove is relative with spacing preiection, and groove is semicircular arc, and arc diameter and the gauge of wire of groove match, and have snap slot on the needle body at groove rear portion；Wire feed plate is elongated plates, arc of the wire feed plate on the length direction of plate face for bending, the curvature of arc and the curvature of kneecap upper surface match, push rod is connected to the rear end of wire feed plate, the rear end of push rod is connected with handle, there is the wire feeding trough having on threaded hole of steel, the bottom surface of wire feed plate along wire feed plate length direction in the body of rod of push rod, the threaded hole of steel of push rod is relative with wire feeding trough.The present invention is the pioneering of the minimally invasive fixation of patellar fracture, has the advantages that simple in construction, easy to operate, fixed effect is good, avoids damage to, is conducive to union.
Description
Technical field
The present invention relates to a kind of fixing device for patellar fracture, belong to orthopedic medical device technical field.
Background technology
Patellar fracture is clinical common injury, and operation plan conventional at present is to use tension band wiring after open reduction
Fixation with steel wire.Surgical procedure is：After Patella fracture reduction, fixed temporarily using kneecap pincers clamp；Planted perpendicular to the direction of fracture line
Enter two pieces of Kirschner wires or kneecap pin（Centre is with pin door, and groove is easy to fracture again thereafter）；Select the steel wire set of appropriate length
Kirschner wire or kneecap pin two ends are connected to, are then intersected steel wire on the outside of kneecap, out of shape along steel wire is cut with electric knife or dise knife
Ligament, the manadesma of patella surface are opened, afterwards by steel wire around fastening fracture.The surgical technic is simple to operate, and fracture typically can be with
Obtain good healing.But found in operation, when the kneecap pin used is fixed, steel wire passes through pin its pin when tightly wrapping behind the door
The other side steel wire of door is tight by pin badge, it is impossible to which drawing is nervous, generally requires to wring steel wire using Kirschner wire in offside, easily
Generation steel wire fracture is difficult to wring, it is necessary to fix again, makes tension force belt sag.Simultaneously for gerontal patient, multiple bone
Patient and the poor patient of systemic conditions are rolled over, due to being needed kneecap before winding steel wire along steel wire use electric knife out of shape or dise knife
The manadesma and ligament tissue of bone surface cut separation and accommodate steel wire, destroy local blood fortune, influence union, some patientss hair
Raw fracture delayed union even disunion.In view of this, it is quite necessary to existing patellar fracture fix be improved, with up to
To the effect of fixation and promotion healing.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of fixing device fixed and healed beneficial to patellar fracture, this
Planting fixing device can be easy to wring steel wire when fixing, and make fixation, while being avoided damage to during feeding steel wire
Ligament and manadesma, protection blood fortune, are conducive to union.
Solving the technical scheme of above-mentioned technical problem is：
A kind of fixing device fixed and healed beneficial to patellar fracture, it includes fixed pin, wire feed plate, push rod, handle, fixed pin
Needle body rear portion limited location it is raised, the position of spacing preiection for needle body after fixed pin insertion kneecap with kneecap contact outside, limit
Fluted on the raised lower section needle body in position, groove is relative with spacing preiection, and groove is semicircular arc, the arc diameter and steel of groove
The diameter of silk matches, and has snap slot on the needle body at groove rear portion；Wire feed plate is elongated plates, and wire feed plate is in the length side of plate face
It is upwards the arc of bending, the curvature and the curvature of kneecap upper surface of arc matches, it is long that the front end of push rod is connected to wire feed plate
The rear end in direction is spent, the rear end of push rod is connected with handle, there is the threaded hole of steel before and after the body of rod, threaded hole of steel in the body of rod of push rod
Diameter match with gauge of wire, have the wire feeding trough along wire feed plate length direction, wire feeding trough on the bottom surface of wire feed plate
Groove width and groove depth be more than gauge of wire, the threaded hole of steel of push rod is relative with wire feeding trough.
The above-mentioned fixing device fixed and healed beneficial to patellar fracture, the spacing preiection is cone, spacing preiection
The smaller diameter end of cone is relative with kneecap.
The above-mentioned fixing device fixed and healed beneficial to patellar fracture, the front end of the wire feed plate is circular arc, wire feed plate
Bottom surface front end and the front end of the top surface of wire feed plate be smoothly connected by arc surface, wire feed plate on the width of plate face for bending
Arc, the curvature and the curvature of kneecap upper surface of arc match.
The above-mentioned fixing device fixed and healed beneficial to patellar fracture, the section of the wire feeding trough of the wire feed plate is handstand
Isosceles triangle, the top of the delta structure of wire feeding trough is the width of three steel wire diameters, the bottom of the delta structure of wire feeding trough
For the width of a steel wire diameter, the upper and lower part of the delta structure of wire feeding trough is connected.
The above-mentioned fixing device fixed and healed beneficial to patellar fracture, the push rod is two, the front end point of two push rods
Rear end not with wire feed plate is connected, the top two of the threaded hole of steel of two push rods respectively with the delta structure wire feeding trough of wire feed plate
Side is relative.
The beneficial effects of the invention are as follows：
Present invention limited location on the needle body of fixed pin is raised, and fixed pin can be penetrated after kneecap and positioned, recessed at spacing preiection
Groove passes freely through steel wire, and the bilateral steel wire during wringing is while wring, fixation, it is to avoid the pin of existing kneecap pin
Clamping defect of the door to steel wire；Wire feed plate can be through patella surface ligament and manadesma below insert steel wire, wound is small, it is to avoid damage
Hinder ligament and manadesma, protection blood fortune is conducive to union.
The present invention is the pioneering of the minimally invasive fixation of patellar fracture, with simple in construction, easy to operate, fixed effect it is good, keep away
Exempt to damage, be conducive to the advantage of union, solve the problem of minimally invasive fixation of patellar fracture in the prior art is present, be minimally invasive
The development performed the operation in patellar fracture fixation provides technical support, is welcome, in industry has by medical worker and patient
Fabulous popularizing value.
Brief description of the drawings
Fig. 1 is the structural representation of the fixed pin of the present invention；
Fig. 2 is the structural representation of the wire feed plate of the present invention；
Fig. 3 is the use state schematic diagram of the present invention.
Marked in figure as follows：Fixed pin 1, spacing preiection 2, groove 3, snap slot 4, wire feed plate 5, push rod 6, handle 7, wire feed
Groove 8, kneecap 9.
Embodiment
The present invention includes fixed pin 1, wire feed plate 5, push rod 6, handle 7.
Fig. 1,3 displays, the needle body of fixed pin 1 is Kirschner wire, the needle body rear portion limited location projection 2 of fixed pin 1, spacing preiection
2 be cone, and the conical smaller diameter end of spacing preiection is relative with kneecap.The position of spacing preiection 2 is that fixed pin 1 inserts kneecap
After bone 9 at needle body and the contact outside of kneecap 9, the effect of spacing preiection 2 is so that fixed pin 1 is penetrating kneecap perpendicular to fracture line
The opposite side in kneecap 9 is just exposed at the tip of fixed pin 1 after 9, for steel wire winding, the tip of fixed pin 1 to spacing preiection 2
Length is different, is divided into different models, it is adaptable to which different patients need.
Fluted 3 on Fig. 1,3 displays, the lower section needle body of the spacing preiection 2 of fixed pin 1, groove 3 is relative with spacing preiection 2,
Groove 3 is semicircular arc, and arc diameter and the gauge of wire of groove 3 match, if two steel wires are embedded in, the circle of groove
Arc dia is more than two gauges of wire.It is that steel wire is positioned in steel wire winding kneecap 9 that the effect of groove 3, which is, makes steel wire will not
Slid back and forth along the needle body of fixed pin 1.Existing kneecap pin pin door can be eliminated to steel wire using this semicircular groove 3
Steel wire is difficult to the defect pulled after clamping, it is to avoid steel wire fixes insecure to kneecap 9.
There is snap slot 4 on Fig. 1,3 displays, the needle body at the groove rear portion of fixed pin 1, consolidate kneecap 9 with steel wire in fixed pin 1
Fixed pin 1 is fractureed at snap slot 4 after fixed.
Fig. 2,3 displays, wire feed plate 5 is elongated plates, and the front end of wire feed plate 5 is circular arc, the bottom surface front end of wire feed plate 5 with
The front end of the top surface of wire feed plate 5 is smoothly connected by arc surface, and wire feed plate 5 is respectively on the length direction of plate face and on width
The arc of bending, the curvature and the curvature of the upper surface of kneecap 9 of arc match.Such shape is facilitated insertion on kneecap 9
It below the ligament and manadesma on surface, and can be brought into close contact the bottom surface of wire feed plate 5 and the surface of kneecap 9.
There is the threaded hole of steel before and after the body of rod in Fig. 2,3 displays, the rear end connection push rod 6 of wire feed plate 5, the body of rod of push rod 6,
The diameter of threaded hole of steel matches with gauge of wire, and steel wire reaches the rear of wire feed plate 5 after being passed through from push rod 6, into sending
Filament plate 5.The rear end of push rod 6 is connected with handle 7, by handle 7 push rod 6 and wire feed plate 5 can be promoted to move forward together.
Fig. 2 shows there is the wire feeding trough 8 along the length direction of wire feed plate 5, the groove width of wire feeding trough 8 on the bottom surface of wire feed plate 5
It is more than gauge of wire with groove depth, the threaded hole of steel of push rod 6 is relative with wire feeding trough 8.
Fig. 2 shows, the section of the wire feeding trough 8 of wire feed plate 5 is the isosceles triangle that stands upside down, the delta structure of wire feeding trough 8 it is upper
Portion is the width of three steel wire diameters, and the bottom of the delta structure of wire feeding trough 8 is the width of a steel wire diameter, wire feeding trough 8
The upper and lower part of delta structure be connected.
Fig. 2,3 displays, push rod 6 is two, and the rear end of the front ends of two push rods 6 respectively with wire feed plate 5 is connected, and two push away
The threaded hole of steel of bar 6 is relative with the top both sides of the delta structure wire feeding trough 8 of wire feed plate 5 respectively.Use this structure can be with one
It is secondary to pass through two steel wires below the ligament and manadesma of the upper surface of kneecap 9 by wire feed plate 5, make the process of fixation with steel wire kneecap 9
More quickly, conveniently.
The use process of the present invention is as follows：
First, the kneecap 9 of fracture is drilled, fixed pin 1 is penetrated at fracture line in kneecap 9, make the point of fixed pin 1
End is just exposed in the side of kneecap 9, and the spacing preiection 2 of fixed pin 1 withstands on the edge of the opposite side of kneecap 9, at snap slot 4
Fixed pin 1 is fractureed；
Then, along fixed pin 1 walking direction steel wire ligament, the muscle walking shaped position, wire feed plate 5 is inserted to the surface of kneecap 9
Below film, wire feed plate 5 is set to make a tunnel along the surface of kneecap 9 under the manadesma and ligament on the surface of kneecap 9；
Steel wire one end is bypassed into the tip of fixed pin 1, steel wire is placed in by wire feed plate 5 by the threaded hole of steel of the push rod 6 at the rear of wire feed plate 5
Wire feeding trough 8 in, will along the tunnel of wire feed plate 5 by the steel wire of intersection in the opposite side that kneecap 9 is pushed under manadesma and ligament
Steel wire bypasses the groove 3 of the lower section of spacing preiection 2 of fixed pin 1 around kneecap 9 is fastened, and bilateral steel wire is twisted simultaneously during wringing
Tightly, fixation.
Claims (5)
1. a kind of fixing device fixed and healed beneficial to patellar fracture, it is characterised in that：It includes fixed pin（1）, wire feed plate
（5）, push rod（6）, handle（7）, fixed pin（1）Needle body rear portion limited location it is raised（2）, spacing preiection（2）Position for fix
Pin（1）Insert kneecap（9）Needle body and kneecap afterwards（9）At contact outside, spacing preiection（2）Lower section needle body on it is fluted（3）, it is recessed
Groove（3）With spacing preiection（2）Relatively, groove（3）For semicircular arc, groove（3）Arc diameter match with gauge of wire,
Groove（3）There is snap slot on the needle body at rear portion（4）；Wire feed plate（5）For elongated plates, wire feed plate（5）In the length direction of plate face
The upper arc for bending, the curvature and kneecap of arc（9）The curvature of upper surface matches, push rod（6）Front end be connected to wire feed
Plate（5）The rear end of length direction, push rod（6）Rear end and handle（7）It is connected, push rod（6）The body of rod in have before the body of rod
Threaded hole of steel afterwards, diameter and the gauge of wire of threaded hole of steel match, wire feed plate（5）Bottom surface on have along wire feed plate（5）
The wire feeding trough of length direction（8）, wire feeding trough（8）Groove width and groove depth be more than gauge of wire, push rod（6）Threaded hole of steel and wire feed
Groove（8）Relatively.
2. the fixing device according to claim 1 fixed and healed beneficial to patellar fracture, it is characterised in that：It is described spacing
It is raised（2）For cone, spacing preiection（2）Conical smaller diameter end and kneecap（9）Relatively.
3. the fixing device according to claim 2 fixed and healed beneficial to patellar fracture, it is characterised in that：The wire feed
Plate（5）Front end be circular arc, wire feed plate（5）Bottom surface front end and wire feed plate（5）Front end of the top surface be smoothly connected by arc surface,
Wire feed plate（5）Arc on the width of plate face for bending, the curvature and kneecap of arc（9）The curvature phase of upper surface
Match somebody with somebody.
4. the fixing device according to claim 3 fixed and healed beneficial to patellar fracture, it is characterised in that：The wire feed
Plate（5）Wire feeding trough（8）Section for stand upside down isosceles triangle, wire feeding trough（8）Delta structure top for three steel wires it is straight
The width in footpath, wire feeding trough（8）The bottom of delta structure be the width of steel wire diameter, wire feeding trough（8）Isosceles triangle knot
The upper and lower part of structure is connected.
5. the fixing device according to claim 4 fixed and healed beneficial to patellar fracture, it is characterised in that：The push rod
（6）For two, two push rods（6）Front end respectively with wire feed plate（5）Rear end be connected, two push rods（6）Threaded hole of steel point
Not with wire feed plate（5）Delta structure wire feeding trough（8）Top both sides it is relative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710348119.1A CN107184266B (en) | 2017-05-17 | 2017-05-17 | Fixing device beneficial to patella fracture fixation and healing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710348119.1A CN107184266B (en) | 2017-05-17 | 2017-05-17 | Fixing device beneficial to patella fracture fixation and healing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107184266A true CN107184266A (en) | 2017-09-22 |
| CN107184266B CN107184266B (en) | 2023-11-21 |
Family
ID=59873057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710348119.1A Active CN107184266B (en) | 2017-05-17 | 2017-05-17 | Fixing device beneficial to patella fracture fixation and healing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107184266B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020143339A1 (en) * | 2001-02-12 | 2002-10-03 | Medoff Robert J. | Implant device for applying compression across a fracture site |
| CN201119909Y (en) * | 2007-08-22 | 2008-09-24 | 李家立 | Fracture of patella internal fixation needle with holes and capable of being broken |
| JP2010284479A (en) * | 2009-06-12 | 2010-12-24 | Hidetaka Ko | Guide instrument for trephine drill |
| CN202355461U (en) * | 2011-12-16 | 2012-08-01 | 王振海 | Patella fracture steel wire guider |
| CN202699261U (en) * | 2012-07-10 | 2013-01-30 | 上海市第一人民医院宝山分院 | Patellar fracture reduction fixation guider |
| CN202801777U (en) * | 2012-10-17 | 2013-03-20 | 唐浩 | Reduction pin for treatment of patella fracture through fixation of closed reduction tension band |
| CN105030314A (en) * | 2015-06-03 | 2015-11-11 | 张英泽 | Low-profile peri-locking circular patellar setting fixator |
| CN204909608U (en) * | 2015-08-25 | 2015-12-30 | 张群 | Kneecap locking pressurizing internal fixation device |
| CN207532437U (en) * | 2017-05-17 | 2018-06-26 | 陈伟 | A kind of fixing device fixed and healed conducive to patellar fracture |
-
2017
- 2017-05-17 CN CN201710348119.1A patent/CN107184266B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020143339A1 (en) * | 2001-02-12 | 2002-10-03 | Medoff Robert J. | Implant device for applying compression across a fracture site |
| CN201119909Y (en) * | 2007-08-22 | 2008-09-24 | 李家立 | Fracture of patella internal fixation needle with holes and capable of being broken |
| JP2010284479A (en) * | 2009-06-12 | 2010-12-24 | Hidetaka Ko | Guide instrument for trephine drill |
| CN202355461U (en) * | 2011-12-16 | 2012-08-01 | 王振海 | Patella fracture steel wire guider |
| CN202699261U (en) * | 2012-07-10 | 2013-01-30 | 上海市第一人民医院宝山分院 | Patellar fracture reduction fixation guider |
| CN202801777U (en) * | 2012-10-17 | 2013-03-20 | 唐浩 | Reduction pin for treatment of patella fracture through fixation of closed reduction tension band |
| CN105030314A (en) * | 2015-06-03 | 2015-11-11 | 张英泽 | Low-profile peri-locking circular patellar setting fixator |
| CN204909608U (en) * | 2015-08-25 | 2015-12-30 | 张群 | Kneecap locking pressurizing internal fixation device |
| CN207532437U (en) * | 2017-05-17 | 2018-06-26 | 陈伟 | A kind of fixing device fixed and healed conducive to patellar fracture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107184266B (en) | 2023-11-21 |
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