CN107638237A - Implantable Prosthetic Connection Device - Google Patents
Implantable Prosthetic Connection Device Download PDFInfo
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- CN107638237A CN107638237A CN201711024375.1A CN201711024375A CN107638237A CN 107638237 A CN107638237 A CN 107638237A CN 201711024375 A CN201711024375 A CN 201711024375A CN 107638237 A CN107638237 A CN 107638237A
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- connector
- inner cavity
- prosthesis
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- limb
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Abstract
The invention relates to an implantable artificial limb connecting device, which belongs to the technical field of medicine and comprises a prosthesis connector and a blocking bolt, wherein the prosthesis connector is used for implanting in a pulp cavity of a residual limb, the blocking bolt is used for being connected with the prosthesis connector, the diameter, the curvature and the length of the prosthesis connector are respectively matched with the inner diameter, the curvature and the length of the pulp cavity of the residual limb, the prosthesis connector is provided with an inner cavity, one end of the inner cavity is closed, the other end of the inner cavity is provided with an opening and is provided with inner cavity threads used for connecting an artificial limb, the inner cavity threads are also used for connecting the blocking bolt before the artificial limb is connected so as to block the inner cavity, and the outer surface. The invention can be individually designed according to the medullary cavity of the residual long bone in the stump of a patient, realizes the accurate matching of the prosthesis connector and the medullary cavity, simultaneously, the gridding structure layer on the outer surface of the prosthesis connector can be used for bone growth, and solves the problems of inconsistent biomechanical structure, uncomfortable wearing of the prosthesis and easy looseness of the prosthesis sleeve.
Description
Technical field
The present invention relates to medicine technology field, more particularly to a kind of implanting artificial limb attachment means.
Background technology
Based on instrumental artificial limb and structural artificial limb, the former is mainly easy to work and move artificial limb of the prior art,
The latter then mainly recovers the outward appearance globality of limbs, also has and takes into account instrumental and structural artificial limb and the intelligence with electromechanical structure
Energy artificial limb, but most of artificial limb is mutually fixed using receptive cavity with limbs stump, mainly including sheath structure, modular structure
With skeleton-type structure, but no matter which kind of structure, principle is adapted to according to the shape of limbs of patient stump, that is, make one
Artificial limb is fixed to limbs stump by sleeve sample receptive cavity (artificial limb set), and the technology is present not to be inconsistent with biomethanics structure, deformed limb shape
Condition is poor, dress is uncomfortable, easily the technological deficiency such as loosening.
The content of the invention
Based on this, it is necessary to biomethanics structure when being connected for artificial limb in the prior art with limbs stump not be present not
Match somebody with somebody, cause the problems such as deformed limb situation is poor, artificial limb dress is uncomfortable and artificial limb easily loosens, there is provided a kind of implanting artificial limb connection dress
Put.The purpose of the present invention is using the remaining long bone in deformed limb as riveted point, there is provided a kind of thickness according to remaining long ossis, song
Degree and length carry out the 3D printing implanting artificial limb attachment means of individuation customization, and the device can be according to remaining long in patient's deformed limb
The pulp cavity of bone carries out Individual design, realizes the accurate matching of prosthese connector and deformed limb pulp cavity, meanwhile, outside prosthese connector
There is gridding structure sheaf on surface, for Bone Ingrowth.
To solve the above problems, the present invention takes following technical scheme：
A kind of implanting artificial limb attachment means, including for be implanted into deformed limb pulp cavity prosthese connector and for the vacation
The closure bolt of body connector connection,
Diameter, curvature and the length of the prosthese connector internal diameter with the deformed limb pulp cavity, curvature and length phase respectively
Matching,
The prosthese connector has inner chamber, one end closing of the inner chamber, and the other end of the inner chamber for perforate and is set
There is the thread in inner cavity for connecting artificial limb, the thread in inner cavity is additionally operable to connect the closure bolt before the artificial limb is accessed,
To block the inner chamber,
The outer surface of the prosthese connector is provided with the gridding structure sheaf for Bone Ingrowth.
Above-mentioned implanting artificial limb attachment means can carry out Individual design according to the pulp cavity of remaining long bone in patient's deformed limb, real
The accurate matching of existing prosthese connector and pulp cavity, meanwhile, the gridding structure sheaf of prosthese connector outer surface is available for Bone Ingrowth, solution
The problem of artificial limb of having determined set is existing and biomethanics structure is not inconsistent, deformed limb situation is poor, artificial limb dress is uncomfortable and easily loosens,
Meanwhile before artificial limb is accessed, closure bolt can block the inner chamber of prosthese connector, so as to avoid the pollution of inner chamber, prevent residual
Limb infects.
Brief description of the drawings
Fig. 1 is the first structure schematic diagram of prosthese connector in the one of embodiment of the present invention；
Fig. 2 is the second structural representation of prosthese connector in the one of embodiment of the present invention；
Fig. 3 is the structural representation that bolt is blocked in the one of embodiment of the present invention；
Fig. 4 is the schematic diagram that implanting artificial limb attachment means of the present invention are connected with remaining long bone and connecting rod respectively.
Embodiment
Technical scheme is described in detail below in conjunction with accompanying drawing and preferred embodiment.
In one of the embodiments, as Figure 1-Figure 4, implanting artificial limb attachment means include being used to be implanted into deformed limb marrow
The prosthese connector 1 of chamber and the closure bolt 2 for being connected with prosthese connector 1, the wherein diameter of prosthese connector 1, curvature
The internal diameter with deformed limb pulp cavity, curvature and length match respectively with length, to ensure the biology of prosthese connector 1 and deformed limb pulp cavity
Mechanical structure is consistent, and reaches the purpose for the performance for improving artificial limb；Prosthese connector 1 has inner chamber 11, and one end of inner chamber 11 is closed,
The other end of inner chamber 11 is perforate, and the thread in inner cavity 12 for being used for connecting artificial limb, thread in inner cavity 12 are provided with one end of perforate
The connection closure bolt 2 before artificial limb is accessed is additionally operable to, to block inner chamber 11；The outer surface of prosthese connector 1, which is provided with, is used for bone length
The gridding structure sheaf 13 entered.
The implanting artificial limb attachment means that the present embodiment is proposed can be carried out according to the pulp cavity of remaining long bone in patient's deformed limb
Individual design, realize the accurate matching of prosthese connector and pulp cavity, and the gridding structure sheaf of prosthese connector outer surface
Bone Ingrowth is available for, artificial limb set is existing and biomethanics structure by the way that prosthese connector and remaining long bone to be directly connected to solve
It is not inconsistent, the problem of deformed limb situation is poor, artificial limb dress is uncomfortable and easily loosens, and physiology can be provided for patients with amputation and born
Weight, improve the scope of activities of proximal joint, and artificial limb is better controled over by bone sensory feedback, help patients with amputation, meanwhile,
Before artificial limb is accessed, closure bolt can block the inner chamber of prosthese connector, so as to avoid the pollution of inner chamber, prevent deformed limb sense
Dye.
As a kind of specific embodiment, as shown in figure 4, implanting artificial limb attachment means also include being used to connect artificial limb
Connecting rod 3, connecting rod 3 has the screw thread being interference fitted with thread in inner cavity 12, and connecting rod passes through the screw thread and prosthese and connected
Device 1 is connect to connect.Artificial limb is connected to the residual of deformed limb by the thread in inner cavity 12 of prosthese connector 1 by a threaded connecting rod 3
Remaining long bone 4, realize that connecting rod 3 and the firm biology of remaining long bone 4 are fixed, and then realize implanting artificial limb attachment means
It is steady in a long-term to use.
As a kind of specific embodiment, as shown in figure 3, closure bolt 2 includes shank of bolt 21 and nuts 22, bolt
Bar 21 is provided with the screw thread being interference fitted with thread in inner cavity 12, for blocking the inner chamber 11 of prosthese connector 1, is set on nuts 22
There is the ducted body 23 for screwing closure bolt 2.Preferably, ducted body 23 is triangular hollow body or polygon ducted body,
Fig. 3 show the interior hexagonal interface of hexagon ducted body, i.e. standard, can be easy to block the precession of bolt by the interior hexagonal interface
And back-out.
As a kind of specific embodiment, prosthese connector 1 and the gridding knot located at the outer surface of prosthese connector 1
Structure layer 13 is integrally formed using 3D printing.Prosthese connector 1 and (include the envelope of inner chamber 11 located at the outer surface of prosthese connector 1
Closed end outer surface) gridding structure sheaf 13 prepared using 3D printing technique integrated molding, therefore can be according to deformed limb internal medullary mass
Length, diameter and the curvature individuation printing prosthese connector 1 and its gridding structure sheaf 13 of outer surface of chamber, improve prosthese
The preparation precision of connector 1 and gridding structure sheaf 13, so as to further improve the matching essence of prosthese connector 1 and deformed limb pulp cavity
Degree, and preparation cost is relatively low, production efficiency is higher.
As a kind of specific embodiment, prosthese connector 1 and the gridding knot located at the outer surface of prosthese connector 1
Structure layer 13 is integrally formed using titanium alloy 3D printing.Titanium alloy be it is a kind of based on titanium elements add other elements and form
Alloy, have the characteristics that intensity is high, density is small, good mechanical property and corrosion resistance are good, present embodiment with titanium alloy this
Material based on kind hard and the metal material of lightweight, prepare prosthese connector 1 using 3D printing technique integrated molding and set
Gridding structure sheaf 13 in the outer surface of prosthese connector 1, be advantageous to improve prosthese connector 1 and gridding structure sheaf 13
Mechanical strength, the overall weight of implanting artificial limb attachment means is reduced, be easy to activity of the patients with amputation to artificial limb to control.
As a kind of specific embodiment, the thickness of gridding structure sheaf 13 (i.e. the micropore of 3D printing) for 0.5~
1.5mm.Preferably, the thickness of gridding structure sheaf 13 is 1mm, so as to can both meet the needs of Bone Ingrowth, saves material again
Cost.
Implanting artificial limb attachment means proposed by the invention can utilize the stump limbs bone after upper limbs, LEA to consolidate
Determine artificial limb, have the following technical effect that：
(1) it is designed using 3D printing technique, prosthese connector can be enable at utmost to be matched with deformed limb pulp cavity；
(2) manufactured using 3D printing technique, and the gridding of 3D printing is produced on the surface of prosthese connector
Structure sheaf, Bone Ingrowth can be convenient for；
(3) inner chamber is designed using major thread, is easy to be fixedly secured with the connecting rod for connecting artificial limb；
(4) proprietary closure bolt, the inner chamber of prosthese connector can be carried out when prosthese connector is implanted in deformed limb
Closure, allows deformed limb end to be completely enclosed with soft tissue and is grown into, and so as to increase deformed limb end blood fortune, reduces deformed limb
Infection risk, increase Bone Ingrowth；
(5) formula artificial limb attachment means to be implanted implantation deformed limb 6 months, be fixedly secured with deformed limb after, take out closure bolt, so
Connecting rod is connected with prosthese connector again afterwards, firm biology can be achieved and fix.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711024375.1A CN107638237A (en) | 2017-10-27 | 2017-10-27 | Implantable Prosthetic Connection Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711024375.1A CN107638237A (en) | 2017-10-27 | 2017-10-27 | Implantable Prosthetic Connection Device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107638237A true CN107638237A (en) | 2018-01-30 |
Family
ID=61124361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711024375.1A Pending CN107638237A (en) | 2017-10-27 | 2017-10-27 | Implantable Prosthetic Connection Device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107638237A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448372A (en) * | 2019-09-06 | 2019-11-15 | 北京爱康宜诚医疗器材有限公司 | Locking fastening structure and clamp device |
| CN112263359A (en) * | 2020-10-23 | 2021-01-26 | 中国人民解放军空军军医大学 | Implantable artificial limb device with extendable middle-upper-segment amputation stump of femur |
| CN114224559A (en) * | 2021-12-24 | 2022-03-25 | 夏一丹 | Endoprosthesis for an implantable prosthesis |
| CN117982271A (en) * | 2024-01-19 | 2024-05-07 | 国家康复辅具研究中心 | An implantable prosthesis with microporous structure |
| CN120570716A (en) * | 2025-08-05 | 2025-09-02 | 四川大学华西医院 | A fixation device for sealing implanted prostheses and artificial limbs |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6485645A (en) * | 1987-09-29 | 1989-03-30 | Sumitomo Cement Co | Bone direct bonding type artificial limb mount member and method for mounting the same |
| US6482238B1 (en) * | 1998-12-16 | 2002-11-19 | Eska Implants Gmbh & Co. | Upper leg stump endoprosthesis for an exoprosthetic provision |
| US20030109878A1 (en) * | 2000-08-15 | 2003-06-12 | Hans Grundei | Subcutaneous, intra-muscular coupling for a rigid transcutaneous implant |
| EP1438937A1 (en) * | 2003-01-17 | 2004-07-21 | ESKA Implants GmbH & Co. | Finger prosthesis |
| CN105193527A (en) * | 2015-05-11 | 2015-12-30 | 刘宏伟 | Method for performing EBM metal 3D printing on personalized human body thighbone prosthesis sleeve |
| US20160331422A1 (en) * | 2014-04-16 | 2016-11-17 | Osseointegration Holdings Pty Ltd | An osseointegrable device |
| CN106618816A (en) * | 2016-11-22 | 2017-05-10 | 中国人民解放军第四军医大学 | Novel prosthetic limb connecting device |
-
2017
- 2017-10-27 CN CN201711024375.1A patent/CN107638237A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6485645A (en) * | 1987-09-29 | 1989-03-30 | Sumitomo Cement Co | Bone direct bonding type artificial limb mount member and method for mounting the same |
| US6482238B1 (en) * | 1998-12-16 | 2002-11-19 | Eska Implants Gmbh & Co. | Upper leg stump endoprosthesis for an exoprosthetic provision |
| US20030109878A1 (en) * | 2000-08-15 | 2003-06-12 | Hans Grundei | Subcutaneous, intra-muscular coupling for a rigid transcutaneous implant |
| EP1438937A1 (en) * | 2003-01-17 | 2004-07-21 | ESKA Implants GmbH & Co. | Finger prosthesis |
| US20160331422A1 (en) * | 2014-04-16 | 2016-11-17 | Osseointegration Holdings Pty Ltd | An osseointegrable device |
| CN105193527A (en) * | 2015-05-11 | 2015-12-30 | 刘宏伟 | Method for performing EBM metal 3D printing on personalized human body thighbone prosthesis sleeve |
| CN106618816A (en) * | 2016-11-22 | 2017-05-10 | 中国人民解放军第四军医大学 | Novel prosthetic limb connecting device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448372A (en) * | 2019-09-06 | 2019-11-15 | 北京爱康宜诚医疗器材有限公司 | Locking fastening structure and clamp device |
| CN112263359A (en) * | 2020-10-23 | 2021-01-26 | 中国人民解放军空军军医大学 | Implantable artificial limb device with extendable middle-upper-segment amputation stump of femur |
| CN114224559A (en) * | 2021-12-24 | 2022-03-25 | 夏一丹 | Endoprosthesis for an implantable prosthesis |
| CN114224559B (en) * | 2021-12-24 | 2023-02-03 | 夏一丹 | Endoprosthesis for an implantable prosthesis |
| CN117982271A (en) * | 2024-01-19 | 2024-05-07 | 国家康复辅具研究中心 | An implantable prosthesis with microporous structure |
| CN120570716A (en) * | 2025-08-05 | 2025-09-02 | 四川大学华西医院 | A fixation device for sealing implanted prostheses and artificial limbs |
| CN120570716B (en) * | 2025-08-05 | 2025-11-04 | 四川大学华西医院 | Fixing device for implanting prosthesis and artificial limb sealing |
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Application publication date: 20180130 |