CN105943201A - Modular neck for orthopedic equipment - Google Patents
Modular neck for orthopedic equipment Download PDFInfo
- Publication number
- CN105943201A CN105943201A CN201610242418.2A CN201610242418A CN105943201A CN 105943201 A CN105943201 A CN 105943201A CN 201610242418 A CN201610242418 A CN 201610242418A CN 105943201 A CN105943201 A CN 105943201A
- Authority
- CN
- China
- Prior art keywords
- neck
- implant
- key
- modular
- orthopaedic devices
- 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
Abstract
The invention provides a modular neck for orthopedic equipment. The modular neck for orthopedic equipment includes a neck bone diaphysis and neck segments. The neck bone diaphysis is connected to the neck segments, the neck segments are equipped with different models according to different sizes of users' skeletons, each of the neck segments comprises a near-end in connection with the neck bone diaphysis and a far-end fixed to other skeletons, the center line of the near-end is connected to the center line of the neck bone diaphysis, around the neck bone diaphysis, the neck segments can realize any one of height, offset and torsion angle. The modular neck for orthopedic equipment provided by the invention has a simple structure and is convenient to use, can be implanted into the neck to perform modular design, can independently realize height, offset and torsion angle adjustment, thereby solving the problem that in existing operations implant height adjustment devices need to compromise the structural integrity of implants, and improving the efficiency and success rate of operation.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of modular necks for orthopaedic devices.
Background technology
In some cases, after implant being inserted in the spinal canal of bone, implant may be laid than anticipated
Position is higher or lower.Such as, in arthroplasty of hip, the femur diaphyseal portion of hip prosthesis is at quilt
After inserting in the femoral canal prepared, may dispose projectedly by near-end, or on the contrary may be than expection peace
Put to obtain more far-end.The lower limb that this problem may result in patient is too short or long.
If femur diaphyseal portion is laid excessively to protrude at near-end, then can be drawn off, and can use
Bigger reamer carries out reaming again to allow to be positioned to backbone more far-end to spinal canal.If hip joint is false
Body is positioned to too far at far-end in femoral canal, then can be drawn off and bigger prosthese system is thought in reaming again
Make space.Because the cortical bone of preciousness is removed thinks prosthese vacating space, so this can increase the risk of fracture
And it is higher to invade degree.
Summary of the invention
The invention provides a kind of modular necks for orthopaedic devices, simple in construction, easy to use, will plant
Enter cervical region and carry out modularized design, realization height, side-play amount and the adjustment of torsion angle that can be independent, thus solve
Determine and existing operation regulates the device of implant height needed the structural intergrity of described implant is carried out
Compromise, improves efficiency and the success rate of operation.
For solving above-mentioned technical problem, the invention provides a kind of modular necks for orthopaedic devices, including
Neck is key and neck saves, and described neck is key to be connected with neck joint, and described neck root section is according to the chi of user skeleton
Very little difference is provided with different models, described each neck joint include realizing with neck backbone the near-end that is connected with
And realizing fixing far-end with other skeleton, the centrage of described near-end realizes even with the centrage of neck backbone
Connecing, described neck joint can realize any one of height, side-play amount and torsion angle around neck backbone.
As a preferred technical scheme of the present invention, described neck skeletal internal is drilled with suitable dimension
Boring, is provided with implant cavity in boring, described implant cavity uses biomaterial to make, implant cavity have high intensity,
The features such as no conflict reaction.
As a preferred technical scheme of the present invention, being provided with implant in described implant cavity, described plants
It is spherical for entering body, and implant utilizes titanium alloy etc materials to make.
As a preferred technical scheme of the present invention, described implant cavity both sides are provided with adjustable track, regulation
Track is fixed by titanium nail, and described implant two ends are welded with fixing bar.
As a preferred technical scheme of the present invention, described fixing bar is positioned at adjustable track and can be along
Adjustable track carries out height adjustment, and described fixing bar cannot be carried out after a certain position of adjustable track is fixing
Altitude mixture control, can carry out offset adjusted.
As a preferred technical scheme of the present invention, fill out in the space between described implant cavity and implant
It is filled with lubricating fluid.
As a preferred technical scheme of the present invention, it is provided with neck joint between described neck backbone and neck joint long
Degree adjusting apparatus, described neck joint length adjuster includes base, regulating sleeve and adjustable plate, described tune
Joint plate can move along regulating sleeve short transverse.
As a preferred technical scheme of the present invention, between described base and adjustable plate, it is provided with auxiliary bullet
Spring.
As a preferred technical scheme of the present invention, described secondary spring is connected for fixing with base, auxiliary
Helping spring with adjustable plate for being flexibly connected, adjustable plate can rotate in regulating sleeve.
The one or more technical schemes provided in the embodiment of the present application, at least have the following technical effect that or excellent
Point:
Simple in construction, easy to use, implantation cervical region is carried out modularized design, realization that can be independent height,
Side-play amount and the adjustment of torsion angle, thus the device needs solving regulation implant height in existing operation are right
The structural intergrity of described implant is compromised, and improves efficiency and the success rate of operation.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, in describing below
Accompanying drawing is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying creativeness
On the premise of laborious, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation that the application implements;
In Fig. 1,1, neck key, 2, neck joint, 3, near-end, 4, far-end, 5, implant cavity, 6, implant
Body, 7, adjustable track, 8, titanium nail, 9, fixing bar, 10, lubricating fluid, 11, base, 12, regulation set
Cylinder, 13, adjustable plate, 14, secondary spring.
Detailed description of the invention
The invention provides a kind of modular necks for orthopaedic devices, simple in construction, easy to use, will plant
Enter cervical region and carry out modularized design, realization height, side-play amount and the adjustment of torsion angle that can be independent, thus solve
Determine and existing operation regulates the device of implant height needed the structural intergrity of described implant is carried out
Compromise, improves efficiency and the success rate of operation.
In order to be better understood from technique scheme, below in conjunction with Figure of description and specific embodiment
Technique scheme is described in detail.
As it is shown in figure 1, a kind of modular necks for orthopaedic devices described in the present embodiment, including neck bone
Dry 1 and neck joint 2, described neck key 1 is connected with neck joint 2, and described neck saves 2 according to user skeleton
Size difference be provided with different models, described each neck joint 2 includes realizing being connected with neck key 1
Near-end 3 and realize fixing far-end 4 with other skeleton, the centrage of described near-end 3 is key with neck
The centrage of 1 realizes connecting, and described neck joint 2 can realize height, side-play amount and torsion around neck key 1
Any one of angle.
Wherein, in actual applications, key 1 inner part drilling of described neck is provided with the boring of suitable dimension, boring
Inside being provided with implant cavity 5, described implant cavity 5 uses biomaterial to make, and implant cavity 5 has high intensity, nothing
The features such as conflict reaction.
Wherein, in actual applications, being provided with implant 6 in described implant cavity 5, described implant 6 is
Spherical, implant 6 utilizes titanium alloy etc materials to make.
Wherein, in actual applications, described implant cavity 5 both sides are provided with adjustable track 7, and adjustable track 7 leads to
Crossing titanium nail 8 to be fixed, described implant 6 two ends are welded with fixing bar 9.
Wherein, in actual applications, described fixing bar 9 is positioned at adjustable track 7 and can be along adjustable track
7 carry out height adjustment, and described fixing bar 9 cannot carry out height after a certain position of adjustable track 7 is fixing
Degree regulation, can carry out offset adjusted.
Wherein, in actual applications, it is filled with lubrication in the space between described implant cavity 5 and implant 6
Liquid 10.
Wherein, in actual applications, neck joint length adjustment dress it is provided with between described neck key 1 and neck joint 2
Putting, described neck joint length adjuster includes base 11, regulating sleeve 12 and adjustable plate 13, described tune
Joint plate 13 can move along regulating sleeve 12 short transverse.
Wherein, in actual applications, it is provided with secondary spring 14 between described base 11 and adjustable plate 13.
Wherein, in actual applications, described secondary spring 14 is connected for fixing with base 11, secondary spring
14 with adjustable plate 13 for being flexibly connected, adjustable plate 13 can rotate in regulating sleeve 12.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma limit
System, although the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any familiar
Professional and technical personnel, in the range of without departing from technical solution of the present invention, when the technology of available the disclosure above
Content is made a little change or is modified to the Equivalent embodiments of equivalent variations, as long as being without departing from the technology of the present invention side
The content of case, any simple modification above example made according to the technical spirit of the present invention, equivalent variations
With modification, all still fall within the range of technical solution of the present invention.
Claims (9)
1., for a modular necks for orthopaedic devices, including neck key (1) and neck joint (2), it is special
Levying and be, described neck key (1) is connected with neck joint (2), and described neck joint (2) is according to user
The size difference of skeleton is provided with different models, and described each neck joint (2) includes key (1) with neck
Realize the near-end (3) connected and the far-end (4) fixed with the realization of other skeleton, described near-end (3)
Centrage realizes being connected with the centrage of neck key (1), and described neck joint (2) can be key (1) around neck
Any one of realization height, side-play amount and torsion angle.
A kind of modular necks for orthopaedic devices the most according to claim 1, it is characterised in that
Key (1) inner part drilling of described neck is provided with the boring of suitable dimension, is provided with implant cavity (5), institute in boring
The implant cavity (5) stated uses biomaterial to make, and implant cavity (5) has the spy such as high intensity, no conflict reaction
Point.
A kind of modular necks for orthopaedic devices the most according to claim 2, it is characterised in that
Being provided with implant (6) in described implant cavity (5), described implant (6) is spherical, implant (6)
Titanium alloy etc materials is utilized to make.
4., according to a kind of modular necks for orthopaedic devices described in claim 2 and 3, its feature exists
In, described implant cavity (5) both sides are provided with adjustable track (7), and adjustable track (7) follows closely (8) by titanium
Being fixed, described implant (6) two ends are welded with fixing bar (9).
A kind of modular necks for orthopaedic devices the most according to claim 4, it is characterised in that
Described fixing bar (9) is positioned at adjustable track (7) and can carry out height adjustment along adjustable track (7),
Described fixing bar (9) cannot carry out altitude mixture control after a certain position of adjustable track (7) is fixing, can
To carry out offset adjusted.
A kind of modular necks for orthopaedic devices the most according to claim 1, it is characterised in that
It is filled with lubricating fluid (10) in space between described implant cavity (5) and implant (6).
A kind of modular necks for orthopaedic devices the most according to claim 1, it is characterised in that
Neck joint length adjuster, described neck joint length it is provided with between described neck key (1) and neck joint (2)
Adjusting apparatus includes base (11), regulating sleeve (12) and adjustable plate (13), described adjustable plate (13)
Can move along regulating sleeve (12) short transverse.
A kind of modular necks for orthopaedic devices the most according to claim 7, it is characterised in that
It is provided with secondary spring (14) between described base (11) and adjustable plate (13).
A kind of modular necks for orthopaedic devices the most according to claim 7, it is characterised in that
Described secondary spring (14) is connected for fixing with base (11), secondary spring (14) and adjustable plate (13)
For being flexibly connected, adjustable plate (13) can rotate in regulating sleeve (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610242418.2A CN105943201B (en) | 2016-04-19 | 2016-04-19 | A kind of modular necks for orthopaedic devices |
Applications Claiming Priority (1)
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CN201610242418.2A CN105943201B (en) | 2016-04-19 | 2016-04-19 | A kind of modular necks for orthopaedic devices |
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Publication Number | Publication Date |
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CN105943201A true CN105943201A (en) | 2016-09-21 |
CN105943201B CN105943201B (en) | 2017-11-21 |
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CN201610242418.2A Expired - Fee Related CN105943201B (en) | 2016-04-19 | 2016-04-19 | A kind of modular necks for orthopaedic devices |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107496058A (en) * | 2017-08-15 | 2017-12-22 | 北京爱康宜诚医疗器材有限公司 | Femoral prosthesis |
CN107518964A (en) * | 2017-08-15 | 2017-12-29 | 北京爱康宜诚医疗器材有限公司 | The manufacture method of femoral prosthesis and femoral prosthesis |
Citations (9)
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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 |
US20040054419A1 (en) * | 2002-05-09 | 2004-03-18 | Serra Michael A. | System for trial implantation of a femoral hip prosthesis |
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 |
US20100185296A1 (en) * | 2006-07-18 | 2010-07-22 | Zimmer, Inc. | Modular orthopaedic component case |
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 |
-
2016
- 2016-04-19 CN CN201610242418.2A patent/CN105943201B/en not_active Expired - Fee Related
Patent Citations (9)
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 |
US20040054419A1 (en) * | 2002-05-09 | 2004-03-18 | Serra Michael A. | System for trial implantation of a femoral hip prosthesis |
CN1803107A (en) * | 2005-01-11 | 2006-07-19 | 郑诚功 | Structure-improved artificial thighbone handle |
US20100185296A1 (en) * | 2006-07-18 | 2010-07-22 | Zimmer, Inc. | Modular orthopaedic component case |
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 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107496058A (en) * | 2017-08-15 | 2017-12-22 | 北京爱康宜诚医疗器材有限公司 | Femoral prosthesis |
CN107518964A (en) * | 2017-08-15 | 2017-12-29 | 北京爱康宜诚医疗器材有限公司 | The manufacture method of femoral prosthesis and femoral prosthesis |
Also Published As
Publication number | Publication date |
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CN105943201B (en) | 2017-11-21 |
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Granted publication date: 20171121 Termination date: 20180419 |