CN105943201B - A kind of modular necks for orthopaedic devices - Google Patents
A kind of modular necks for orthopaedic devices Download PDFInfo
- Publication number
- CN105943201B CN105943201B CN201610242418.2A CN201610242418A CN105943201B CN 105943201 B CN105943201 B CN 105943201B CN 201610242418 A CN201610242418 A CN 201610242418A CN 105943201 B CN105943201 B CN 105943201B
- Authority
- CN
- China
- Prior art keywords
- neck
- implant
- neck section
- orthopaedic devices
- key
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
- A61F2002/3625—Necks
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention provides a kind of modular necks for orthopaedic devices,Including neck backbone and neck section,Described neck is key to be connected with neck section,Described neck root section is provided with different models according to the size difference of user's bone,Each described neck section includes the near-end for realizing connection key with neck and realizes fixed distal end with other bones,The center line of described near-end is realized with the key center line of neck and connected,Described neck section can surround the key realization height of neck,Any one of offset and torsion angle,The present invention is simple in construction,It is easy to use,Implantation neck is subjected to modularized design,Realization that can be independent is highly,The adjustment of offset and torsion angle,Need to compromise to the structural intergrity of the implant so as to solve the device of regulation implant height in existing operation,Improve the efficiency and success rate of operation.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of modular necks for orthopaedic devices.
Background technology
In some cases, after implant is inserted in the spinal canal of bone, implant may be than estimated riding position
It is higher or lower.For example, in arthroplasty of hip, the femur diaphyseal portion of hip prosthesis is being inserted into the stock for preparing
After in pipe, may near-end projectedly dispose, or may be positioned to more distal end than expected on the contrary.The problem may
The leg of patient can be caused too short or long.
If femur diaphyseal portion is laid excessively to protrude in near-end, then it can be drawn off, and can be with larger
Reamer to spinal canal carry out again reaming with allow by backbone be positioned to more distal end.If hip prosthesis in femoral canal
Distal end disposes too far, then can be drawn off and larger prosthese making space is thought in reaming again.Because precious bone
Cortex, which is removed, thinks prosthese vacating space, so this can increase the risk of fracture and to invade degree higher.
The content of the invention
It is simple in construction the invention provides a kind of modular necks for orthopaedic devices, it is easy to use, neck will be implanted into
Modularized design is carried out, the adjustment for realizing height, offset and torsion angle that can be independent, so as to solve in existing operation
The device of regulation implant height needs to compromise to the structural intergrity of the implant, improve operation efficiency and into
Power.
In order to solve the above technical problems, the invention provides a kind of modular necks for orthopaedic devices, including neck
Key and neck section, described neck backbone are connected with neck section, and described neck root section is different provided with not according to the size of user's bone
Same model, each described neck section include the near-end for realizing connection key with neck and fixed with the realization of other bones
Distal end, the center line of described near-end realizes and connects that it is key that described neck section can surround neck with the key center line of neck
Realize any one of height, offset and torsion angle.
As the preferable technical scheme of the present invention, described neck skeletal internal is drilled with the brill of suitable dimension
Hole, drilling in be provided with implant cavity, described implant cavity is made of biomaterial, implant cavity have high intensity, no conflict react
The features such as.
As the preferable technical scheme of the present invention, implant, described implant are provided with described implant cavity
To be spherical, implant is made using titanium alloy etc materials.
As the preferable technical scheme of the present invention, described implant cavity both sides are provided with adjustable track, adjustable track
It is fixed by titanium nail, described implant both ends are welded with fix bar.
As the preferable technical scheme of the present invention, described fix bar is located in adjustable track and can be along regulation
Track carries out height adjustment, and described fix bar cannot carry out height regulation after being fixed in a certain position of adjustable track, can
To carry out offset adjusted.
As the preferable technical scheme of the present invention, it is filled with the space between described implant cavity and implant
Lubricating fluid.
As the preferable technical scheme of the present invention, the key neck section length that is provided between neck section of described neck is adjusted
Engagement positions, described neck section length adjuster include base, regulating sleeve and adjustable plate, and described adjustable plate can be along regulation
Move in sleeve height direction.
As the preferable technical scheme of the present invention, secondary spring is provided between described base and adjustable plate.
As the preferable technical scheme of the present invention, described secondary spring, to be fixedly connected, aids in bullet with base
With adjustable plate to be flexibly connected, adjustable plate can be rotated spring in regulating sleeve.
The one or more technical schemes provided in the embodiment of the present application, have at least the following technical effects or advantages：
It is simple in construction, it is easy to use, will implantation neck carry out modularized design, can be independent realization height, offset
With the adjustment of torsion angle, the device of implant height is adjusted in existing operation need to the knot of the implant so as to solve
Structure integrality is compromised, and improves the efficiency and success rate of operation.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation that the application is implemented；
In Fig. 1,1, neck it is key, 2, neck section, 3, near-end, 4, distal end, 5, implant cavity, 6, implant, 7, adjustable track, 8,
Titanium is followed closely, and 9, fix bar, 10, lubricating fluid, 11, base, 12, regulating sleeve, 13, adjustable plate, 14, secondary spring.
Embodiment
It is simple in construction the invention provides a kind of modular necks for orthopaedic devices, it is easy to use, neck will be implanted into
Modularized design is carried out, the adjustment for realizing height, offset and torsion angle that can be independent, so as to solve in existing operation
The device of regulation implant height needs to compromise to the structural intergrity of the implant, improve operation efficiency and into
Power.
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper
Technical scheme is stated to be described in detail.
As shown in figure 1, a kind of modular necks for orthopaedic devices described in the present embodiment, including key 1 He of neck
Neck section 2, described neck backbone 1 are connected with neck section 2, and described neck section 2 is different provided with difference according to the size of user's bone
Model, each described neck section 2 includes realizing the near-end 3 of connection with neck backbone 1 and realized with other bones solid
Fixed distal end 4, the center line of described near-end 3 realize and connected that described neck section 2 can surround neck with the center line of neck backbone 1
Bone backbone 1 realizes any one of height, offset and torsion angle.
Wherein, in actual applications, key 1 inner part drilling of described neck is provided with the drilling of suitable dimension, is provided with drilling
Implant cavity 5, described implant cavity 5 are made of biomaterial, and implant cavity 5 has the characteristics that high intensity, no conflict reaction.
Wherein, in actual applications, implant 6 is provided with described implant cavity 5, described implant 6 is spherical, implantation
Body 6 is made using titanium alloy etc materials.
Wherein, in actual applications, the described both sides of implant cavity 5 are provided with adjustable track 7, and adjustable track 7 is entered by titanium nail 8
Row is fixed, and the described both ends of implant 6 are welded with fix bar 9.
Wherein, in actual applications, described fix bar 9 is located in adjustable track 7 and can carry out height along adjustable track 7
Degree adjustment, described fix bar 9 cannot carry out height regulation after being fixed in a certain position of adjustable track 7, can carry out partially
Transposition section.
Wherein, in actual applications, lubricating fluid 10 is filled with the space between described implant cavity 5 and implant 6.
Wherein, in actual applications, neck section length adjuster is provided between described neck backbone 1 and neck section 2, it is described
Neck section length adjuster include base 11, regulating sleeve 12 and adjustable plate 13, described adjustable plate 13 can be along adjusting set
Cylinder 12 short transverses motion.
Wherein, in actual applications, secondary spring 14 is provided between described base 11 and adjustable plate 13.
Wherein, in actual applications, described secondary spring 14 is with base 11 to be fixedly connected, and secondary spring 14 is with adjusting
To be flexibly connected, adjustable plate 13 can be rotated plate 13 in regulating sleeve 12.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention
Any simple modification, equivalent change and modification made to above example, in the range of still falling within technical solution of the present invention.
Claims (7)
1. a kind of modular necks for orthopaedic devices, including neck key (1) and neck section (2), it is characterised in that described
Neck backbone (1) is connected with neck section (2), and described neck section (2) is provided with different models according to the size difference of user's bone,
Each neck section (2) includes realizing the near-end (3) of connection with neck key (1) and realizes fixed distal end with other bones
(4), the center line of the center line of described near-end (3) and neck key (1), which is realized, connects, and described neck section (2) can surround neck
Bone backbone (1) realizes any one of height, offset and torsion angle, is provided between described neck backbone (1) and neck section (2)
Neck section length adjuster, described neck section length adjuster include base (11), regulating sleeve (12) and adjustable plate (13),
Described adjustable plate (13) can move along regulating sleeve (12) short transverse, between described base (11) and adjustable plate (13)
Provided with secondary spring (14).
A kind of 2. modular necks for orthopaedic devices according to claim 1, it is characterised in that described neck bone
Dry (1) inner part drilling is provided with the drilling of suitable dimension, is provided with implant cavity (5) in drilling, described implant cavity (5) uses biomaterial
It is made, implant cavity (5) has the characteristics of high intensity, no conflict reaction.
A kind of 3. modular necks for orthopaedic devices according to claim 2, it is characterised in that described implant cavity
(5) implant (6) is provided with, described implant (6) is spherical, and implant (6) is made using titanium alloy material.
A kind of 4. modular necks for orthopaedic devices according to claim 3, it is characterised in that described implant cavity
(5) both sides are provided with adjustable track (7), and adjustable track (7) is followed closely (8) by titanium and is fixed, the welding of described implant (6) both ends
There is fix bar (9).
A kind of 5. modular necks for orthopaedic devices according to claim 4, it is characterised in that described fix bar
(9) it is located in adjustable track (7) and height adjustment can be carried out along adjustable track (7), described fix bar (9) is in adjustable track
(7) a certain position cannot carry out height regulation after fixing, and can carry out offset adjusted.
A kind of 6. modular necks for orthopaedic devices according to claim 4, it is characterised in that described implant cavity
(5) lubricating fluid (10) is filled with the space between implant (6).
A kind of 7. modular necks for orthopaedic devices according to claim 1, it is characterised in that described auxiliary bullet
Spring (14) is with base (11) to be fixedly connected, and secondary spring (14) with adjustable plate (13) to be flexibly connected, adjusting by adjustable plate (13)
It can be rotated in section sleeve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610242418.2A CN105943201B (en) | 2016-04-19 | 2016-04-19 | A kind of modular necks for orthopaedic devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610242418.2A CN105943201B (en) | 2016-04-19 | 2016-04-19 | A kind of modular necks for orthopaedic devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105943201A CN105943201A (en) | 2016-09-21 |
| CN105943201B true CN105943201B (en) | 2017-11-21 |
Family
ID=56917730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610242418.2A Expired - Fee Related CN105943201B (en) | 2016-04-19 | 2016-04-19 | A kind of modular necks for orthopaedic devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105943201B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107496058B (en) * | 2017-08-15 | 2023-07-28 | 北京爱康宜诚医疗器材有限公司 | Femoral prosthesis |
| CN107518964B (en) * | 2017-08-15 | 2023-07-28 | 北京爱康宜诚医疗器材有限公司 | Femoral prosthesis and method for manufacturing femoral prosthesis |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5002578A (en) * | 1990-05-04 | 1991-03-26 | Venus Corporation | Modular hip stem prosthesis apparatus and method |
| US5800556A (en) * | 1996-05-23 | 1998-09-01 | Johnson & Johnson Professional, Inc. | Adjustable bipolar-unipolar adaptor for a head trial |
| CN1803107A (en) * | 2005-01-11 | 2006-07-19 | 郑诚功 | Structure-improved artificial thighbone handle |
| CN201029959Y (en) * | 2007-05-17 | 2008-03-05 | 张朝跃 | Artificial femoral head |
| CN101883540A (en) * | 2007-10-01 | 2010-11-10 | 史密夫和内修有限公司 | Modular necks for orthopaedic devices |
| CN202446300U (en) * | 2011-12-30 | 2012-09-26 | 北京爱康宜诚医疗器材股份有限公司 | Combined type femoral stem prosthesis |
| CN104840276A (en) * | 2015-05-26 | 2015-08-19 | 北京爱康宜诚医疗器材股份有限公司 | Femoral stem |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003249625A1 (en) * | 2002-05-09 | 2003-11-11 | Hayes Medical, Inc. | System for trial implantation of a femoral hip prosthesis |
| US20080021567A1 (en) * | 2006-07-18 | 2008-01-24 | Zimmer Technology, Inc. | Modular orthopaedic component case |
-
2016
- 2016-04-19 CN CN201610242418.2A patent/CN105943201B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5002578A (en) * | 1990-05-04 | 1991-03-26 | Venus Corporation | Modular hip stem prosthesis apparatus and method |
| US5800556A (en) * | 1996-05-23 | 1998-09-01 | Johnson & Johnson Professional, Inc. | Adjustable bipolar-unipolar adaptor for a head trial |
| CN1803107A (en) * | 2005-01-11 | 2006-07-19 | 郑诚功 | Structure-improved artificial thighbone handle |
| CN201029959Y (en) * | 2007-05-17 | 2008-03-05 | 张朝跃 | Artificial femoral head |
| CN101883540A (en) * | 2007-10-01 | 2010-11-10 | 史密夫和内修有限公司 | Modular necks for orthopaedic devices |
| CN202446300U (en) * | 2011-12-30 | 2012-09-26 | 北京爱康宜诚医疗器材股份有限公司 | Combined type femoral stem prosthesis |
| CN104840276A (en) * | 2015-05-26 | 2015-08-19 | 北京爱康宜诚医疗器材股份有限公司 | Femoral stem |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105943201A (en) | 2016-09-21 |
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Granted publication date: 20171121 Termination date: 20180419 |