CN103622737A - Internal fixing device and internal fixing system of titanium cable - Google Patents
Internal fixing device and internal fixing system of titanium cable Download PDFInfo
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- CN103622737A CN103622737A CN201310521467.6A CN201310521467A CN103622737A CN 103622737 A CN103622737 A CN 103622737A CN 201310521467 A CN201310521467 A CN 201310521467A CN 103622737 A CN103622737 A CN 103622737A
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- titanium cable
- locked body
- titanium
- cable
- hole
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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
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
Abstract
The invention relates to an internal fixing device and an internal fixing system of a titanium cable. The internal fixing device of the titanium cable comprises the titanium cable and a lock catch body. The lock catch body is a cuboid and comprises a lower surface close to the human body and an upper surface opposite to the lower surface. Transverse through holes for the titanium cable to pass through are formed between the two opposite side faces of the lock catch body, a perpendicular screw hole is formed between the upper surface and the lower surface of the lock catch body, a screw is arranged in the perpendicular screw hole, and the titanium cable arranged in the transverse through holes is pressed by the side portion of the screw. The internal fixing system can be a steel plate fixation type internal fixing system of the titanium cable, a skeleton fixation type internal fixing system of the titanium cable, a planar 8-shaped internal fixing system of titanium cables, or a vertical 8-shaped internal fixing system of titanium cables.
Description
Affiliated technical field
The invention belongs to a kind of inner fixing device that is applied to fracture or spinal surgery.
Prior art
Titanium cable is comparatively general in the application in orthopaedics field, is mainly used in extremity fracture and spinal surgery, especially the fusion of artificial joint prosthesis surrounding fracture, upper cervical spine.Titanium cable is fixed as a kind of independent inner fixing device or as the operation that auxiliary device fixing in other can solve the special region of anatomy and complicated fracture effectively.Every titanium cable is comprised of the thin titanium silk of multiply, with traditional steel wire, rustless steel cable and comparison of novel high polymer material cable, have that pliability is good, tensile strength is high, antiwear property is strong, in imaging examination, can develop, can not produce obvious artifact, be that other materials can not be compared.Titanium cable internal fixation system is comprised of some titanium cables and locker, is furnished with special tightener and pinch off pincers and has assisted interior fixing operation in operation.Have the own medical titanium cable internal fixation system of a plurality of companies production and sales both at home and abroad.But, the shutoff device of now all medical titanium cable internal fixation systems only has the function of padlock titanium cable, cannot be fixed on skeleton or other inner fixing devices, can not play the effectively fixing of special region of anatomy skeleton or reach clinical special interior fixedly requirement.When human body long tubular bone fracture, due to the non-homogeneous thickness of skeleton, the titanium cable ring of initial locking may get loose along major axis slippage.And catch surface has the stud bump of lock-screw, when apart from body surface closer locations, after corrective surgery, easily touch and cause Psychological inadaptability, or occur pain and discomfort with contiguous ligament, fascia friction, produce in the course of time local inflammatory reaction.
Summary of the invention
The locker that the present invention will solve existing medical titanium cable internal fixation system only has the function of snap close titanium cable, cannot be anchored on skeleton or other inner fixing devices, can not play the effectively fixing of special region of anatomy skeleton or reach the shortcoming of clinical special interior fixedly requirement, provide a kind of and can be fixed on skeleton or other inner fixing devices, play the effectively fixing of special region of anatomy skeleton or reach the titanium cable inner fixing device of clinical special interior fixedly requirement.
Titanium cable inner fixing device of the present invention, is characterized in that comprising titanium cable, locked body, and described locked body is cuboid, comprises pressing close to the lower surface of human body, the upper surface relative with lower surface; Between two opposite flanks of described locked body, have the cross through hole passing through for titanium cable, between the upper and lower surface of described locked body, have vertical threaded bore, in described vertical threaded bore, be provided with screw, the sidepiece of described screw compresses by the titanium cable in cross through hole.
Preferably, described cross through hole is 2, and described vertical threaded bore is 1.
A kind of steel plate fixed pattern titanium cable internal fixation system that adopts aforementioned titanium cable inner fixing device, it is characterized in that: the upper surface of described locked body is arranged on the upper surface of steel plate, titanium cable is by steel plate and skeleton around one week, and the two ends of described titanium cable penetrate respectively in two cross through hole of locked body; The first screw on described steel plate aligns with the vertical threaded bore on locked body, and described screw runs through described vertical threaded bore and the first screw.
A kind of skeletal fixation type titanium cable internal fixation system that adopts aforementioned titanium cable inner fixing device, it is characterized in that: the lower surface of described locked body is arranged on the upper surface of steel plate, titanium cable is by steel plate and skeleton around one week, and the two ends of described titanium cable penetrate respectively in two cross through hole of locked body; The first screw on described steel plate aligns with the vertical threaded bore on locked body, and described screw runs through described vertical threaded bore and the first screw, and described screw pierces in skeleton.
A kind of plane 8-shaped titanium cable internal fixation system that adopts aforementioned titanium cable inner fixing device, it is characterized in that: comprise the first locked body, the second locked body, the 3rd locked body, the first titanium cable, the second titanium cable, the first titanium cable and the second titanium cable penetrate respectively two cross through hole of the 3rd locked body, the first titanium cable forms the first annular in one week around skeleton, and the two ends of the first titanium cable oppositely penetrate respectively two cross through hole of the first locked body; The second titanium cable forms the second annular in one week around skeleton, and the two ends of the second titanium cable oppositely penetrate respectively two cross through hole of the second locked body, and the 3rd snap close connects into plane 8-shaped by the first annular and the second annular.A kind of vertical 8-shaped titanium cable internal fixation system that adopts aforementioned titanium cable inner fixing device, it is characterized in that: comprise the first locked body, the second locked body, the 3rd locked body, the first titanium cable, the second titanium cable, the two ends of the first titanium cable oppositely penetrate respectively two cross through hole of the first locked body, form the first annular; The two ends of the second titanium cable oppositely penetrate respectively two cross through hole of the second locked body, form the second annular; Mutually the first contiguous titanium cable passes the cable head of the first locked body and cable head that the second titanium cable passes the second locked body also respectively through two cross through hole of the 3rd locked body, and the 3rd snap close connects into vertical 8-shaped by the first annular very the second annular.
The present invention adopts the novel fastening structure of screw lateral compression snap close titanium cable and utilizes the mechanical fixation principle of screw self, can easily titanium cable snap close be anchored on the skeleton or other inner fixing devices needing, be difficult for displacement, and many titanium cables, a plurality of snap close can be connected flexibly or in parallel use, reach special fixedly object.And extrusion screw adopts countersunk design, device volume is less in addition, and smooth surface can overcome the defect that existing titanium cable snap close contacts friction tissue.
Orientation of the present invention statement adopts the medically direction statement of human body.Snap close is " upper surface " away from surface of bone side, near surface of bone side, is " lower surface ".
Technical conceive of the present invention is: invent a kind of new titanium cable buckle structure, the metal lock catch surface smoothing that has this buckle structure, volume is small, is difficult for disturbing tissue, and the extrusion screw of snap close plays lateral compression locking titanium cable simultaneously and is anchored to the effect on skeleton, interior fixing.In addition, the string by snap close connect the effect that makes titanium cable performance associating binding.
Advantage of the present invention is:
1, snap close is level and smooth, without the untoward reaction that contacts friction tissue;
2, can be anchored on skeleton and other inner fixing devices, play effectively fixedly fracture site or effectively auxiliary ridge
Post is rebuild the effect of bone-graft fusion, is difficult for slippage and lightens restrictions on;
3, can use by series, parallel, meet special fixing requirement.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of titanium cable inner fixing device of the present invention.
Fig. 2 is titanium cable profile.
Fig. 3 is steel plate fixed pattern titanium cable internal fixation system and the extrusion screw schematic diagram that matches with it.
Fig. 4 is skeletal fixation type titanium cable internal fixation system and the extrusion screw schematic diagram that matches with it.
Fig. 5 a is the schematic diagram of plane 8-shaped titanium cable internal fixation system.
Fig. 5 b is the schematic diagram of vertical 8-shaped titanium cable internal fixation system.
Fig. 6 is that steel plate fixed pattern titanium cable internal fixation system coordinates the schematic diagram of steel plate to dish-shaped fracture fixation.
Fig. 7 is that steel plate fixed pattern titanium cable internal fixation system coordinates the profile of steel plate to dish-shaped fracture fixation.
Fig. 8 is that skeletal fixation type titanium cable internal fixation system is to the fixing schematic diagram of long oblique fracture.
Fig. 9 is the fixing profile of the skeletal fixation type titanium long oblique fracture of cable internal fixation system.
The specific embodiment
Embodiment 1
With reference to accompanying drawing 1, accompanying drawing 2:
Titanium cable inner fixing device of the present invention, is characterized in that comprising titanium cable 1, locked body 2, and described locked body 2 is cuboids, comprises pressing close to the lower surface of human body, the upper surface relative with lower surface; Between two opposite flanks of described locked body, have the cross through hole 21 passing through for titanium cable 1, between the upper and lower surface of described locked body 2, have vertical threaded bore 22, in described vertical threaded bore 22, be provided with screw 3, the sidepiece of described screw 3 compresses by the titanium cable 3 in cross through hole 21.
Preferably, described cross through hole 21 is 2, and described vertical threaded bore 22 is 1.
Titanium cable
multiply titanium bundle, consist of, per share titanium bundle consists of many titanium silks, and snap close profile is cuboid, the high 10mm*8mm*6mm that is respectively of the wide * of long *, the sidewall that the cross through hole 21 that includes 2 titanium cable cross through hole 21 and 22,2 titanium cables of 1 vertical threaded bore is symmetrically distributed in snap close is position on the lower side
be parallel to each other, inner wall smooth, passes through for titanium cable 1.1 screw 3 through hole self-fastening button upper face center is vertically passed through,
inwall has screw thread and lock-screw thread surface to suit mutually, and lock-screw is the design of countersunk head full thread,
screw afterbody is the groove design of " ten " word, for screw, rises and screws screw.The threaded together of extrusion screw is non-cutting design, and it is low coniform that plain edition head of screw is, and screw total length equates with snap close height, while tightening, follow closely tail and just in time imbed nail hole, and the concordant snap close lower surface of ailhead.Separately have skeletal fixation type lock-screw and steel plate fixed pattern lock-screw, be two diameter thread designs, the former provides the grappling of skeleton, and ailhead is self-drilling self-tapping design, exceeds the screw thread of snap close lower surface
screw length according to the thickness of skeleton not etc., provides different length to select.The latter provides the grappling on steel plate screw, and ailhead is identical with plain edition, is low coniform design, exceeds the screw thread of snap close lower surface
it is identical with steel plate thickness or also can pierce in skeleton that screw increases length.
Embodiment 2
With reference to accompanying drawing 3, accompanying drawing 6, accompanying drawing 7:
The present embodiment provides a kind of example of applying the steel plate fixed pattern titanium cable internal fixation system of titanium cable inner fixing device of the present invention.
A kind of steel plate fixed pattern titanium cable internal fixation system that adopts aforementioned titanium cable inner fixing device, it is characterized in that: the lower surface of described locked body is arranged on the upper surface of steel plate, titanium cable is by steel plate and skeleton around one week, and the two ends of described titanium cable penetrate respectively in two cross through hole of locked body; The first screw on described steel plate aligns with the vertical threaded bore on locked body, and described screw runs through described vertical threaded bore and the first screw.
Embodiment 3
With reference to accompanying drawing 4, accompanying drawing 8, accompanying drawing 9:
The present embodiment provides a kind of example of applying the skeletal fixation type titanium cable internal fixation system of titanium cable inner fixing device of the present invention of the present invention.
A kind of skeletal fixation type titanium cable internal fixation system that adopts aforementioned titanium cable inner fixing device, it is characterized in that: the lower surface of described locked body is arranged on the upper surface of skeleton, titanium cable by fracture skeleton around one week, the two ends of described titanium cable penetrate respectively in two cross through hole of locked body, vertical threaded bore described in described screw runs through and the skeleton under it, play the effect of titanium cable in fixing fracture and locking locked body
Embodiment 4
With reference to accompanying drawing 5a:
The present embodiment provides a kind of example of applying the plane 8-shaped titanium cable internal fixation system of titanium cable inner fixing device of the present invention of the present invention.
A kind of plane 8-shaped titanium cable internal fixation system that adopts aforementioned titanium cable inner fixing device, it is characterized in that: comprise the first locked body, the second locked body, the 3rd locked body, the first titanium cable, the second titanium cable, the first titanium cable and the second titanium cable penetrate respectively two cross through hole of the 3rd locked body, the first titanium cable forms the first annular in one week around skeleton, and the two ends of the first titanium cable oppositely penetrate respectively two cross through hole of the first locked body; The second titanium cable forms the second annular in one week around skeleton, and the two ends of the second titanium cable oppositely penetrate respectively two cross through hole of the second locked body, and the 3rd snap close connects into plane 8-shaped by the first annular and the second annular.。
Embodiment 5
With reference to accompanying drawing 5b:
The present embodiment provides a kind of example of applying the vertical 8-shaped titanium cable internal fixation system of titanium cable inner fixing device of the present invention of the present invention.
A kind of vertical 8-shaped titanium cable internal fixation system that adopts aforementioned titanium cable inner fixing device, it is characterized in that: comprise the first locked body, the second locked body, the 3rd locked body, the first titanium cable, the second titanium cable, the two ends of the first titanium cable oppositely penetrate respectively two cross through hole of the first locked body, form the first annular; The two ends of the second titanium cable oppositely penetrate respectively two cross through hole of the second locked body, form the second annular; Mutually the first contiguous titanium cable passes the cable head of the first locked body and cable head that the second titanium cable passes the second locked body also respectively through two cross through hole of the 3rd locked body, and the 3rd snap close connects into vertical 8-shaped by the first annular very the second annular.
Claims (6)
1. titanium cable inner fixing device, is characterized in that comprising titanium cable, locked body, and described locked body is cuboid, comprises pressing close to the lower surface of human body, the upper surface relative with lower surface; Between two opposite flanks of described locked body, have the cross through hole passing through for titanium cable, between the upper and lower surface of described locked body, have vertical threaded bore, in described vertical threaded bore, be provided with screw, the sidepiece of described screw compresses by the titanium cable in cross through hole.
2. device as claimed in claim, is characterized in that: described cross through hole is 2, and described vertical threaded bore is 1.
3. a steel plate fixed pattern titanium cable internal fixation system that adopts titanium cable inner fixing device as claimed in claim 2, it is characterized in that: the lower surface of described locked body is arranged on the upper surface of steel plate, titanium cable is by steel plate and skeleton around one week, and the two ends of described titanium cable penetrate respectively in two cross through hole of locked body; The first screw on described steel plate aligns with the vertical threaded bore on locked body, and described screw runs through described vertical threaded bore and the first screw.
4. a skeletal fixation type titanium cable internal fixation system that adopts titanium cable inner fixing device as claimed in claim 2, it is characterized in that: the lower surface of described locked body is arranged on the upper surface of skeleton, titanium cable by fracture skeleton around one week, the two ends of described titanium cable penetrate respectively in two cross through hole of locked body, vertical threaded bore described in described screw runs through and the skeleton under it, play the effect of titanium cable in fixing fracture and locking locked body.
5. a plane 8-shaped titanium cable internal fixation system that adopts titanium cable inner fixing device as claimed in claim 2, it is characterized in that: comprise the first locked body, the second locked body, the 3rd locked body, the first titanium cable, the second titanium cable, the first titanium cable and the second titanium cable penetrate respectively two cross through hole of the 3rd locked body, the first titanium cable forms the first annular in one week around skeleton, and the two ends of the first titanium cable oppositely penetrate respectively two cross through hole of the first locked body; The second titanium cable forms the second annular in one week around skeleton, and the two ends of the second titanium cable oppositely penetrate respectively two cross through hole of the second locked body, and the 3rd snap close connects into plane 8-shaped by the first annular and the second annular.
6. a vertical 8-shaped titanium cable internal fixation system that adopts titanium cable inner fixing device as claimed in claim 2, it is characterized in that: comprise the first locked body, the second locked body, the 3rd locked body, the first titanium cable, the second titanium cable, the two ends of the first titanium cable oppositely penetrate respectively two cross through hole of the first locked body, form the first annular; The two ends of the second titanium cable oppositely penetrate respectively two cross through hole of the second locked body, form the second annular; Mutually the first contiguous titanium cable passes the cable head of the first locked body and cable head that the second titanium cable passes the second locked body also respectively through two cross through hole of the 3rd locked body, and the 3rd snap close connects into vertical 8-shaped by the first annular and the second annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310521467.6A CN103622737A (en) | 2013-10-29 | 2013-10-29 | Internal fixing device and internal fixing system of titanium cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310521467.6A CN103622737A (en) | 2013-10-29 | 2013-10-29 | Internal fixing device and internal fixing system of titanium cable |
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| CN103622737A true CN103622737A (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310521467.6A Pending CN103622737A (en) | 2013-10-29 | 2013-10-29 | Internal fixing device and internal fixing system of titanium cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937882A (en) * | 2017-04-21 | 2017-07-11 | 董巍 | A kind of bone plate and auxiliary locator with titanium cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2911748A1 (en) * | 1979-03-26 | 1980-10-09 | Gerhard Dawidowski | CERCLA LOCK FOR CONNECTING THE ENDS OF A CERCLA WIRE IN BONE BREAKS |
| US6053921A (en) * | 1997-08-26 | 2000-04-25 | Spinal Concepts, Inc. | Surgical cable system and method |
| US20030225410A1 (en) * | 2001-05-23 | 2003-12-04 | Alan Chervitz | Apparatus and method for orthopedic fixation |
| CN202723968U (en) * | 2011-12-31 | 2013-02-13 | 北京爱康宜诚医疗器材股份有限公司 | Titanium cable bundling system |
-
2013
- 2013-10-29 CN CN201310521467.6A patent/CN103622737A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2911748A1 (en) * | 1979-03-26 | 1980-10-09 | Gerhard Dawidowski | CERCLA LOCK FOR CONNECTING THE ENDS OF A CERCLA WIRE IN BONE BREAKS |
| US6053921A (en) * | 1997-08-26 | 2000-04-25 | Spinal Concepts, Inc. | Surgical cable system and method |
| US20030225410A1 (en) * | 2001-05-23 | 2003-12-04 | Alan Chervitz | Apparatus and method for orthopedic fixation |
| CN202723968U (en) * | 2011-12-31 | 2013-02-13 | 北京爱康宜诚医疗器材股份有限公司 | Titanium cable bundling system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937882A (en) * | 2017-04-21 | 2017-07-11 | 董巍 | A kind of bone plate and auxiliary locator with titanium cable |
| CN106937882B (en) * | 2017-04-21 | 2023-11-24 | 廊坊市人民医院 | Bone fracture plate with titanium cable and auxiliary positioning device |
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Application publication date: 20140312 |