CN108403199A - Arthroscopic surface helix locking structure - Google Patents
Arthroscopic surface helix locking structure Download PDFInfo
- Publication number
- CN108403199A CN108403199A CN201810074188.2A CN201810074188A CN108403199A CN 108403199 A CN108403199 A CN 108403199A CN 201810074188 A CN201810074188 A CN 201810074188A CN 108403199 A CN108403199 A CN 108403199A
- Authority
- CN
- China
- Prior art keywords
- screw
- arthroscopic
- locking structure
- lock screw
- blade
- Prior art date
- 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.)
- Pending
Links
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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8625—Shanks, i.e. parts contacting bone tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- 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
-
- 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
Abstract
The present invention provides a kind of arthroscopic surface helix locking structure, it includes screw blade and lock screw, has the internal thread to match with lock screw in the screw blade；In lock screw, the diameter of thread at the end that is connected with screw blade is less than the diameter of thread of front of motor.Present invention incorporates screw blade and lock screw, the advantage of Minimally Invasive Surgery is played, when use, it can be through handling any kind of articular surface fracture under arthroscope, different diameters and length can be designed, trepanning is carried out with the Hollow electric drill of different-diameter, is not limited by the size of articular surface, thickness.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly to a kind of arthroscopic face fixing screws.
Background technology
Currently, during known clinical treatment, orthopedist, especially traumatology department doctor are frequently encountered intra-articular
Fracture fractures and adds up articular surface.Traumatology department doctor can not look at articular surface straight under mirror, usually make big open hand outside joint
Art notch judges the reset case of articular surface by C arm machine perspective in art, consolidates from what abarticular open notch was fractured
It is fixed.Due to the limitation of fluoroscopy during operation, articular surface tends not to reach complete anatomical reduction.
Arthroscope is now widely used in injury gained in sports, and ligament injury reparation, the viscous white silk of arthritis are loosened and had very
Good therapeutic effect, but the application in orthopaedic trauma is less.For the articular surface fracture in orthopedic injury, arthroscopic surgery doctor
Teacher can make the complete anatomical reduction of articular surface to look at articular surface straight under arthroscope, but often lack through looking at fixing joint face under mirror straight
Reliable tools, fixed or even open operation can only be separately done outside notch row joint outside joint and is fixed, to lose joint
The minimally invasive meaning of mirror.It is a kind of simple in structure there is an urgent need to occur in view of this technical problem, it is easy to use, it can be in arthroscope
Under, direct-view articular surface carries out the fixation of articular surface, truly accomplishes minimally invasive, mitigates the wound of patient, reduces medical staff
Labor intensity, save the time, compact-sized arthroscopic face setting tool.
Invention content
The problem of the purpose of the present invention is for the reliable tools through looking at fixing joint face under mirror straight are lacked at present, propose one
Kind arthroscopic surface helix locking structure.
The technical scheme is that：
The present invention provides a kind of arthroscopic surface helix locking structure, it includes screw blade and lock screw, institute
There is the internal thread to match with lock screw in the screw blade stated；In lock screw, the spiral shell at the end that is connected with screw blade
Line diameter is less than the diameter of thread of front of motor.
Further, in lock screw, the one end being connected with screw blade has constant minor, has in screw blade
The internal thread to match with prescribed constant screw thread.
Further, in lock screw, there is gradual change screw thread with the front of motor of screw blade.
Further, the end of lock screw has tail cap.
Further, in the tail cap, the end diameter of tail cap is less than with the diameter of lock screw junction.
Further, the outside of screw blade, the one end to connect with lock screw are smooth non-helical blade region.
Further, lock screw uses hollow screw, screw blade to use hollow blade.
Further, the length of lock screw, diameter are adjustable, are mutually fitted with the size of sclerite, the position of fracture line
Preferably.
Beneficial effects of the present invention：
Present invention incorporates screw blades and lock screw, play the advantage of Minimally Invasive Surgery, in use, can be through arthroscope
The lower any kind of articular surface fracture of processing, can design different diameters and length, be carried out with the Hollow electric drill of different-diameter
Trepanning is not limited by the size of articular surface, thickness.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Exemplary embodiment of the invention is described in more detail in conjunction with the accompanying drawings, it is of the invention above-mentioned and its
Its purpose, feature and advantage will be apparent, wherein in exemplary embodiment of the invention, identical reference label
Typically represent same parts.
Fig. 1 shows one of the structural schematic diagram of the present invention.
Fig. 2 shows the second structural representations of the present invention.
Fig. 3 shows tibial plateau Schatzker I type fracture line schematic diagrames under arthroscope.
Fig. 4 shows arthroscopic face anatomical reduction schematic diagram.
Fig. 5 shows the articular surface twist-lock structural schematic diagram of bone block under arthroscope.
In figure：1, tail cap；2, lock screw；3, constant minor；4, non-helical blade region；5, screw blade.
Specific implementation mode
The preferred embodiment of the present invention is more fully described below with reference to accompanying drawings.Although showing the present invention in attached drawing
Preferred embodiment, however, it is to be appreciated that may be realized in various forms the present invention without the embodiment party that should be illustrated here
Formula is limited.
As shown in Figure 1, 2, a kind of arthroscopic surface helix locking structure, it includes screw blade 5 and lock screw
2, the screw blade 5 is interior to have the internal thread to match with lock screw 2；In lock screw 2, it is connected with screw blade 5
The diameter of thread for connecing end is less than the diameter of thread of front of motor.
In lock screw 2, one end for being connected with screw blade 5 has constant minor 3, have in screw blade 5 with it is preceding
State the internal thread that constant minor 3 matches.Distal part of the present invention, using the appearance design of screw blade 5, no circular knife section
4 use female type, and nearside constant minor 3 can be allowed to be screwed into, to keep two parts strong bonded integral；Lock screw 2 is
From far to the gradation type screw thread closely gradually amplified, screw thread is from far to nearly gradually amplification.
Constant minor 3 is screwed into the internal thread of no circular knife section 4 makes fracture end to make two parts be combined into one
It is fixedly secured, as shown in Figure 2.
When specific implementation：
As shown in figure 3, for tibial plateau Schatzker I type fracture line schematic diagrames under arthroscope, bone is checked under arthroscope
Broken line；Make articular surface anatomical reduction, as shown in figure 4, for the structural schematic diagram after reset；Then, 2-3 pieces is placed under arthroscope
The bone block of guide pin fixed reset measures intra-articular guide pin depth, selects the screw of corresponding length；By hollow boring bit along guide pin reaming
It causes in fracture distal end cancellous bone；Then, it is inserted into screw tail cap of the present invention with cored screw knife, is then inserted into articular cavity along guide pin,
External use hammer taps screwdriver tail portion, and distal end convolutions blade of the present invention is knocked in fracture distal end cancellous bone；Then with hollow
Screwdriver twists screw tail cap 1 of the present invention, the constant minor 3 of the present invention is screwed into the slightly inner bolt hole of distal end, as shown in figure 5, making
Screw tail cap 1 is embedded in articular surface, fixed sclerite.
Present invention incorporates screw blade, lock screw, hollow nail and principles with line rivet, in conjunction with the excellent of above-mentioned screw
Gesture plays the advantage of Minimally Invasive Surgery, can be through handling any kind of joint facial bone under arthroscope when using structure of the invention
Folding, can design different diameters and length, trepanning be carried out with the Hollow electric drill of different-diameter, not by the size of articular surface, thickness
Thin limitation.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.
Claims (9)
1. a kind of arthroscopic surface helix locking structure, which is characterized in that it includes screw blade (5) and lock screw
(2), there is the internal thread to match with lock screw (2) in the screw blade (5)；In lock screw (2), with circular knife
Piece (5) be connected end the diameter of thread be less than front of motor the diameter of thread.
2. arthroscopic surface helix locking structure according to claim 1, which is characterized in that in lock screw (2),
The one end being connected with screw blade (5) has constant minor (3), has and prescribed constant screw thread (3) phase in screw blade (5)
Matched internal thread.
3. arthroscopic surface helix locking structure according to claim 1 or 2, which is characterized in that lock screw (2)
On, there is gradual change screw thread (2) with the front of motor of screw blade (5).
4. arthroscopic surface helix locking structure according to claim 1, which is characterized in that lock screw (2)
End has tail cap (1).
5. arthroscopic surface helix locking structure according to claim 4, which is characterized in that the tail cap (1)
On, the end diameter of tail cap (1) is less than with the diameter of lock screw (2) junction.
6. arthroscopic surface helix locking structure according to claim 1, which is characterized in that screw blade (5)
Outside, the one end to connect with lock screw (2) are smooth non-helical blade region (4).
7. arthroscopic surface helix locking structure according to claim 1, which is characterized in that lock screw (2) is adopted
Use hollow screw.
8. arthroscopic surface helix locking structure according to claim 1, which is characterized in that screw blade (5) is adopted
With hollow blade.
9. arthroscopic surface helix locking structure according to claim 1, which is characterized in that lock screw (2)
Length, diameter are adjustable, mutually suitable with the size of sclerite, the position of fracture line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810074188.2A CN108403199A (en) | 2018-01-25 | 2018-01-25 | Arthroscopic surface helix locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810074188.2A CN108403199A (en) | 2018-01-25 | 2018-01-25 | Arthroscopic surface helix locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108403199A true CN108403199A (en) | 2018-08-17 |
Family
ID=63126141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810074188.2A Pending CN108403199A (en) | 2018-01-25 | 2018-01-25 | Arthroscopic surface helix locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108403199A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6471707B1 (en) * | 2001-05-11 | 2002-10-29 | Biomet | Bone screw having bioresorbable proximal shaft portion |
| CN202497228U (en) * | 2012-01-13 | 2012-10-24 | 常州市康辉医疗器械有限公司 | Spiral blade type femur near-end minimally invasive lockplate |
| US20140343616A1 (en) * | 2013-04-22 | 2014-11-20 | Daniel Sellers | Arthrodesis compression device |
| CN105997213A (en) * | 2016-06-22 | 2016-10-12 | 苏州吉美瑞医疗器械有限公司 | Auto-locking intramedullary nail for thighbone |
| CN209172478U (en) * | 2018-01-25 | 2019-07-30 | 吴旋 | Arthroscopic surface helix locking structure |
-
2018
- 2018-01-25 CN CN201810074188.2A patent/CN108403199A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6471707B1 (en) * | 2001-05-11 | 2002-10-29 | Biomet | Bone screw having bioresorbable proximal shaft portion |
| CN202497228U (en) * | 2012-01-13 | 2012-10-24 | 常州市康辉医疗器械有限公司 | Spiral blade type femur near-end minimally invasive lockplate |
| US20140343616A1 (en) * | 2013-04-22 | 2014-11-20 | Daniel Sellers | Arthrodesis compression device |
| CN105997213A (en) * | 2016-06-22 | 2016-10-12 | 苏州吉美瑞医疗器械有限公司 | Auto-locking intramedullary nail for thighbone |
| CN209172478U (en) * | 2018-01-25 | 2019-07-30 | 吴旋 | Arthroscopic surface helix locking structure |
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