CN106037917A - Temporomandibular joint titanium-alloy anchor nail - Google Patents
Temporomandibular joint titanium-alloy anchor nail Download PDFInfo
- Publication number
- CN106037917A CN106037917A CN201610494088.6A CN201610494088A CN106037917A CN 106037917 A CN106037917 A CN 106037917A CN 201610494088 A CN201610494088 A CN 201610494088A CN 106037917 A CN106037917 A CN 106037917A
- Authority
- CN
- China
- Prior art keywords
- cylindrical portion
- anchor studs
- temporomandibular joint
- titanium alloy
- cylindrical part
- 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
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
- A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
- A61B17/8615—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver at the central region of the screw head
-
- 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
- A61B17/56—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
- A61B17/866—Material or manufacture
-
- 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
-
- 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
- A61B2017/8655—Pins or screws or threaded wires; nuts therefor with special features for locking in the bone
Abstract
The invention relates to a temporomandibular joint titanium-alloy anchor nail, which is convenient to use and is not protruded out of a bone surface after being installed. The anchor nail comprises a main body portion; and the anchor nail is characterized in that the main body portion comprises a cylindrical part and a conical part which is arranged at the lower end of the cylindrical part and is integrated with the cylindrical part; outer screw threads are tapped on the main body portion from bottom to top; a driving groove, in which hand tools can be conveniently inserted, is formed in the top surface of the cylindrical part; a thread inserting hole, from which an anchor thread runs through, is formed in the cylindrical part in a mode of radially running through; a thread passing groove, which runs through the top surface of the cylindrical part, is formed in the left side of the circumference of the cylindrical part and a thread passing groove, which runs through the top surface of the cylindrical part, is formed in the right side of the circumference of the cylindrical part; and the lower ends of the two thread passing grooves communicate with the left and right ends of the thread inserting hole. The anchor thread can run through the thread inserting hole quite conveniently and can be tied on the anchor nail; and the anchor nail, after being installed and fixed, cannot protrude out of the bone surface, so that the appearance of the bone surface is not affected, and meanwhile, surrounding tissues are not compressed.
Description
Technical field
The present invention relates to a kind of medical embedded fixture, particularly relate to a kind of temporomandibular joint titanium alloy anchor studs.
Background technology
Disk of temporomandibular joint opening reset anchoring art is a kind of art treating disk of temporomandibular joint not recoverability anterior displacement
Formula, owing to operative site is special, so anchor studs and anchor line can be used in this operation to be flexibly connected temporal bone and jawbone.Existing
By anchor studs be made up of nut and screw rod two parts, postoperative nut portion protrude bone surface, in nut and the junction of screw rod
Fastening anchor line fixing for connecting, the nut of this type of anchor studs can be urged to its hetero-organization of surrounding, is unfavorable for that patient is postoperative
Recovery.Also has the another kind of nut anchor studs at inside screw at present, although this kind of anchor studs solves nut compressing around
The problem of tissue, but the most very inconvenient, on the very difficult nut tying up to anchor line cave in of doctor.
Chinese utility model patent such as Patent No. ZL200820156083.3 (notification number is CN201295284Y)
" Medical anchoring nail " discloses a kind of anchor studs comprising nut and screw rod, along its periphery heart wherein on the nut of this anchor studs
Offering a groove, in use, nut protrudes surface of bone, and anchor line ties up on the groove of nut, easy to use, but protrudes
Nut be urged to its hetero-organization of surrounding, be unfavorable for the recovery that wound is postoperative.For another example a patent No. Application No.
The Chinese utility model patent " a kind of Medical anchoring nail " of CN201120046641.2 (notification number is CN201987655U) discloses
A kind of nut is positioned at the anchor studs of inside screw, although nut exposes compressing surrounding tissue time this anchor studs solves anchoring
Problem, but on the very difficult nut tying up to anchor line cave in.
Summary of the invention
The technical problem to be solved is to provide a kind of can realize doing hands for above-mentioned prior art present situation
This anchor studs entirety can be imbedded the temporomandibular joint titanium alloy anchor studs in bone during art, therefore when art, it guarantees that anchor studs does not has
The part of prominent bone surface exists, and this anchor studs has threading conveniently simultaneously, is suitable for doing treatment disk of temporomandibular joint not recoverability
The operation of anterior displacement.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of temporomandibular joint titanium alloy anchor studs, bag
Including main part, main part is the most all externally threaded；It is characterized in that: described main part includes cylindrical portion and position
In cylindrical portion lower end the conus portion that is wholely set with cylindrical portion, the end face of cylindrical portion is provided with the drive facilitating hand-held tool to insert
Groove, cylindrical portion is provided with and extends radially through the through wires hole worn for anchor line, the side face of cylindrical portion each side have one
Running through the trough of cylindrical portion end face, the lower end of two troughs communicates with the two ends, left and right of through wires hole respectively.
As improvement, above-mentioned drive groove is the Flos Mume groove matched with cross-head screwdriver head.Flos Mume groove divides the most equably
Six petal portions of cloth, when turning anchor studs, moment acts in six petal portions uniformly, makes main part stress more bonus point
Dissipating and equilibrium, also can be prevented effectively from when using bigger power to go and twist anchor studs and occur that stress is concentrated, prevention anchor studs groove destroys.
Improving, the axis of described through wires hole intersects vertically with cylindrical portion axis again, and is positioned at the lower section driving groove.Threading
The axis in hole and cylindrical portion axis intersect vertically and can simplify manufacturing process, and convenient batch production is the most also
Conveniently wear anchor line；Through wires hole is positioned at and drives the lower section of groove that screwdriver head extruding being screwed into anchor studs when can be avoided to wear
Anchor line in through wires hole, makes anchor line drop.
Improve again, axially arranged along cylindrical portion of described trough.Along the trough that cylindrical portion is axially arranged, simplify and manufacture
Technique, convenient batch production；Meanwhile, two free ends of energy convenient arrangement anchor line when of use.
Improving, the bottom surface of described trough is cambered surface again.Connect through wires hole by cambered surface and trough is possible to prevent anchoring
Line is cut off by sharp limit.
Improving, the lower end periphery stating conus portion is provided with the chip area of at least one axially disposed band cutting edge again.Row
Discarded bone bits can be discharged by bits groove, facilitates being screwed into of anchor studs.
Improving, described chip area has three again, and is uniformly distributed along the conical surface of conus portion.Three are uniformly distributed also along the conical surface
Chip area with cutting edge can improve the concentricity of cutting edge, makes anchor studs preferably twist along the bone groove concentric offered in advance
Enter, effectively prevent anchor studs crooked, locked with bone.
Finally improving, described external screw thread is the saw-tooth thread that hypotenuse is downward.The downward saw-tooth thread of hypotenuse can be more
Add and be screwed into anchor studs easily, and can effectively prevent anchor studs from coming off.
Compared with prior art, it is an advantage of the current invention that: when this anchor studs uses, first by anchor line through through wires hole,
Again by the two of anchor line free ends by passing from end face after trough, the mid portion of anchor line will not in being placed in trough
Contact with soft tissue, with driving slot fit, anchor studs is screwed into bone by bottle opener, anchor studs can be screwed into the when of being screwed into
Concordant with surface of bone to end face, such anchor studs would not protrude surface of bone, is urged to surrounding tissue or affects attractive in appearance.Anchor simultaneously
The lower end of nail is conus portion, convenient applying active force, makes anchor studs easily be screwed into.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of temporomandibular joint titanium alloy anchor studs in the embodiment of the present invention；
Fig. 2 is another view stereo figure of Fig. 1；
Fig. 3 is the side view of Fig. 1；
Fig. 4 be in Fig. 3 A-A to sectional view；
Fig. 5 be in Fig. 3 B-B to sectional view；
Fig. 6 is the top view of Fig. 1；
Fig. 7 is the partial enlarged drawing of C in Fig. 3；
Fig. 8 is another view stereo figure of Fig. 2；
Fig. 9 is the use state reference map of the embodiment of the present invention.
In figure: main part 1；Cylindrical portion 2；Conus portion 3；External screw thread 4；End face 5；Drive groove 6；Through wires hole 7；Trough 8；
Cambered surface 9；Chip area 10；Soft tissue 12.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in figures 1-8, for a preferred embodiment of the present invention.
Seeing Fig. 1, Fig. 3 and Fig. 4, a kind of temporomandibular joint titanium alloy anchor studs, including main part 1, main part 1 includes
Cylindrical portion 2 and be positioned at cylindrical portion 2 lower end the conus portion 3 being wholely set with cylindrical portion, main part 1 the most all companies of being tapped with
Continuous external screw thread 4.Conus portion 3 more convenient applying active force, makes anchor studs easily be screwed into.
The end face 5 of cylindrical portion 2 is provided with the drive groove 6 facilitating hand-held tool to insert, and drive groove 6 is and cross-head screwdriver head phase
The Flos Mume groove for turning screw body joined, as shown in Figure 6.Flos Mume groove is circumferentially evenly distributed six petal portions, is twisting
During dynamic anchor studs, moment acts in six petal portions uniformly, and stress is more disperseed and equalizes.Go to twist when using bigger power
Also can be prevented effectively from during anchor studs and occur that stress is concentrated, prevention anchor studs groove destroys.
Cylindrical portion 2 is provided with and extends radially through the through wires hole 7 worn for anchor line 11, the axis of through wires hole 7 and cylindrical portion 2
Axis intersects vertically, and is positioned at the lower section driving groove 6.
Each side having of the side face of cylindrical portion 2 one runs through cylindrical portion end face 5 and along axially arranged the walking of cylindrical portion
Wire casing 8, the lower end of two troughs 8 communicates with the two ends, left and right of through wires hole 4 respectively.Meanwhile, the bottom surface of trough 8 is cambered surface 9,
Connect through wires hole 4 by cambered surface 9 and trough 8 is possible to prevent anchor line to be cut off by sharp limit
Seeing Fig. 2 and Fig. 5, the conical surface of the lower end edge conus portion 3 of conus portion 3 is uniformly provided with three band cutting edges vertically
Chip area 10.Three are uniformly distributed along the conical surface and the chip area 10 of band cutting edge can improve the concentricity of cutting edge, make anchoring
Nail is preferably screwed into along the bone groove concentric offered in advance, effectively prevents anchor studs crooked, locked with bone.
Seeing Fig. 7, external screw thread 4 is the saw-tooth thread that hypotenuse is downward.The downward saw-tooth thread of hypotenuse can be more square
Just be screwed into anchor studs, and can effectively prevent anchor studs from coming off.
During as it is shown in figure 9, anchor studs uses, first by anchor line 11 through through wires hole 4, then by two freedom of anchor line 11
End is by passing from end face after trough 8, and the mid portion of anchor line 11 will not contact with soft tissue in being placed in trough 8, logical
Cross bottle opener and coordinate with driving groove 6 anchor studs is screwed into bone, anchor studs can be threaded into end face 5 when of being screwed into and surface of bone is put down
Together, such anchor studs would not be protruded surface of bone and is urged to surrounding tissue or affects attractive in appearance.After anchor studs is screwed into, by anchor line 11
Two free ends at end face 5, first make a call to three knots, after knotting again by the pin of anchor line 11 end through tying up after soft tissue 12
On soft tissue 12.
Although the preferred embodiments of the present invention described in detail above, it is to be clearly understood that for this area
Technical staff for, the present invention can have various modifications and variations.All made within the spirit and principles in the present invention appoint
What amendment, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (8)
1. a temporomandibular joint titanium alloy anchor studs, including main part (1), main part (1) is the most all tapped with outer spiral shell
Stricture of vagina (4)；It is characterized in that: described main part (1) include cylindrical portion (2) and be positioned at cylindrical portion lower end and with cylindrical portion (2)
The conus portion (3) that body is arranged, the end face (5) of cylindrical portion (2) is provided with the drive groove (6) facilitating hand-held tool to insert, cylindrical portion (2)
Be provided with and extend radially through the through wires hole (7) worn for anchor line (11), the side face of cylindrical portion (2) each side have one
Run through the trough (8) of cylindrical portion (2) end face (5), the lower end of two troughs (8) respectively with the two ends, left and right of through wires hole (7)
Communicate.
Temporomandibular joint titanium alloy anchor studs the most according to claim 1, it is characterised in that: described drive groove (6) is and prunus mume (sieb.) sieb.et zucc.
The Flos Mume groove that flower screwdriver head matches.
Temporomandibular joint titanium alloy anchor studs the most according to claim 1, it is characterised in that: the axis of described through wires hole (7)
Intersect vertically with cylindrical portion (2) axis, and be positioned at the lower section driving groove (6).
Temporomandibular joint titanium alloy anchor studs the most according to claim 1, it is characterised in that: described trough (8) is along cylinder
Portion (2) axially arranged.
Temporomandibular joint titanium alloy anchor studs the most according to claim 1, it is characterised in that: the bottom surface of described trough (8)
For cambered surface (9).
Temporomandibular joint titanium alloy anchor studs the most according to claim 1, it is characterised in that: the lower end periphery of described conus portion
It is provided with the chip area (10) of at least one axially disposed band cutting edge.
Temporomandibular joint titanium alloy anchor studs the most according to claim 7, it is characterised in that: described chip area (10) has three
Individual, and be uniformly distributed along the conical surface of conus portion (3).
Temporomandibular joint titanium alloy anchor studs the most according to claim 1, it is characterised in that: described external screw thread (4) is hypotenuse
Downward saw-tooth thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610494088.6A CN106037917A (en) | 2016-06-29 | 2016-06-29 | Temporomandibular joint titanium-alloy anchor nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610494088.6A CN106037917A (en) | 2016-06-29 | 2016-06-29 | Temporomandibular joint titanium-alloy anchor nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106037917A true CN106037917A (en) | 2016-10-26 |
Family
ID=57166921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610494088.6A Pending CN106037917A (en) | 2016-06-29 | 2016-06-29 | Temporomandibular joint titanium-alloy anchor nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106037917A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108403173A (en) * | 2017-12-30 | 2018-08-17 | 深圳市立心科学有限公司 | The extruding nail and its assembly tool of the fixed ligament of orthopaedics |
| CN110831531A (en) * | 2017-04-21 | 2020-02-21 | 德普伊新特斯产品公司 | Angled grooves in cannulated bone screws |
| CN111529034A (en) * | 2020-05-20 | 2020-08-14 | 重庆市中医院 | Internal fixing device for patellar lower-pole fracture and screw fixing method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5733307A (en) * | 1996-09-17 | 1998-03-31 | Amei Technologies, Inc. | Bone anchor having a suture trough |
| US20060161159A1 (en) * | 1999-02-02 | 2006-07-20 | Dreyfuss Peter J | PEEK ribbed suture anchor |
| US20080109037A1 (en) * | 2006-11-03 | 2008-05-08 | Musculoskeletal Transplant Foundation | Press fit suture anchor and inserter assembly |
| CN201806778U (en) * | 2010-09-17 | 2011-04-27 | 常州市康蒂娜医疗科技有限公司 | Anchor type screw capable of being implanted into human body |
| CN103126761A (en) * | 2013-03-26 | 2013-06-05 | 江苏荷普医疗器械有限公司 | Bone screw |
| CN104487020A (en) * | 2012-05-29 | 2015-04-01 | 史密夫和内修有限公司 | Hybrid anchor |
| CN104736080A (en) * | 2012-08-23 | 2015-06-24 | 新特斯有限责任公司 | Bone fixation system |
| CN204468170U (en) * | 2014-12-26 | 2015-07-15 | 北京大清生物技术有限公司 | Biological bone holdfast |
| CN206120426U (en) * | 2016-06-29 | 2017-04-26 | 宁波慈北医疗器械有限公司 | Temporomandibular joint titanium alloy anchor nail |
-
2016
- 2016-06-29 CN CN201610494088.6A patent/CN106037917A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5733307A (en) * | 1996-09-17 | 1998-03-31 | Amei Technologies, Inc. | Bone anchor having a suture trough |
| US20060161159A1 (en) * | 1999-02-02 | 2006-07-20 | Dreyfuss Peter J | PEEK ribbed suture anchor |
| US20080109037A1 (en) * | 2006-11-03 | 2008-05-08 | Musculoskeletal Transplant Foundation | Press fit suture anchor and inserter assembly |
| CN201806778U (en) * | 2010-09-17 | 2011-04-27 | 常州市康蒂娜医疗科技有限公司 | Anchor type screw capable of being implanted into human body |
| CN104487020A (en) * | 2012-05-29 | 2015-04-01 | 史密夫和内修有限公司 | Hybrid anchor |
| CN104736080A (en) * | 2012-08-23 | 2015-06-24 | 新特斯有限责任公司 | Bone fixation system |
| CN103126761A (en) * | 2013-03-26 | 2013-06-05 | 江苏荷普医疗器械有限公司 | Bone screw |
| CN204468170U (en) * | 2014-12-26 | 2015-07-15 | 北京大清生物技术有限公司 | Biological bone holdfast |
| CN206120426U (en) * | 2016-06-29 | 2017-04-26 | 宁波慈北医疗器械有限公司 | Temporomandibular joint titanium alloy anchor nail |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110831531A (en) * | 2017-04-21 | 2020-02-21 | 德普伊新特斯产品公司 | Angled grooves in cannulated bone screws |
| CN110831531B (en) * | 2017-04-21 | 2023-03-10 | 德普伊新特斯产品公司 | Angled grooves in cannulated bone screws |
| US11751926B2 (en) | 2017-04-21 | 2023-09-12 | DePuy Synthes Products, Inc. | Angled flutes in cannulated bone screws |
| CN108403173A (en) * | 2017-12-30 | 2018-08-17 | 深圳市立心科学有限公司 | The extruding nail and its assembly tool of the fixed ligament of orthopaedics |
| CN111529034A (en) * | 2020-05-20 | 2020-08-14 | 重庆市中医院 | Internal fixing device for patellar lower-pole fracture and screw fixing method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |