CN105943201A - Modular neck for orthopedic equipment - Google Patents

Modular neck for orthopedic equipment Download PDF

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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
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China
Prior art keywords
neck
implant
key
modular
orthopaedic devices
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CN201610242418.2A
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Chinese (zh)
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CN105943201B (en
Inventor
张忠河
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Individual
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Individual
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Priority to CN201610242418.2A priority Critical patent/CN105943201B/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/36Femoral heads ; Femoral endoprostheses
    • A61F2/3609Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/36Femoral heads ; Femoral endoprostheses
    • A61F2/3609Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/3625Necks

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  • 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 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

A kind of modular necks for orthopaedic devices
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).
CN201610242418.2A 2016-04-19 2016-04-19 A kind of modular necks for orthopaedic devices Expired - Fee Related CN105943201B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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