CN107582219A - Shoulder joint humerus handle prosthese - Google Patents
Shoulder joint humerus handle prosthese Download PDFInfo
- Publication number
- CN107582219A CN107582219A CN201710788850.6A CN201710788850A CN107582219A CN 107582219 A CN107582219 A CN 107582219A CN 201710788850 A CN201710788850 A CN 201710788850A CN 107582219 A CN107582219 A CN 107582219A
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- CN
- China
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- humerus
- handle body
- main handle
- medullary cavity
- shoulder joint
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- 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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Abstract
The invention provides a kind of shoulder joint humerus handle prosthese, including：Main handle body and strip ridge；Strip ridge is arranged on the outer wall of main handle body, when main handle body is implanted into medullary cavity of humerus, to be embedded in the cortex of bone of medullary cavity of humerus so that main handle body is fixed in medullary cavity of humerus.So as to realize that humerus handle prosthese is fixed the initial stage in medullary cavity of humerus, position changes after preventing humerus handle prosthese stress, and the stability after humerus handle prosthese is fixed is effectively ensured.Solve the problems, such as that the initial stability of existing humerus handle prosthese technique for fixing at initial stage is poor.
Description
Technical field
The present invention relates to area of medical devices, in particular to a kind of shoulder joint humerus handle prosthese.
Background technology
Full shoulder joint displacement is Humeral Head Replacement Scapula glenoid surface replacement, alleviation of this operation to shoulder arthralgia
Rate is up to 80%~90%.The same with other joint replacement surgeries, infection and prosthetic loosening are the failures of full shoulder joint replacement prosthesis
The main reason for, so stability of the prosthese in human body is an important factor for influenceing prosthese service life.Bion is consolidated at present
Surely it is the fixation pattern that shoulder joint prosthesis especially humerus handle prosthese is main in clinic.
It is exactly by (such as the titanium slurry spray of bone tissue and humerus shank body surface roughness that humerus handle prosthese bion, which is fixed,
Apply) integration, reach fixed purpose.But bion fixes effective Integrated implant and needs the time, belongs to fixed mode at a specified future date.
Fix initial stage belong to is mechanically fixed, be exactly the structure using artificial body of the humerus and the temporary transient fixation of New bone formation, the fixation at initial stage
Effect directly affects the fixed effect in long term.
At present, fixed position at initial stage can all change after humerus handle prosthese stress.Further, since pulp cavity shape is not
Systematicness, existing fixed form at initial stage can only realize local fixation, therefore, existing humerus handle prosthese technique for fixing at initial stage
Initial stability can not be ensured well, and hidden danger is left for prosthese at a specified future date failure.
The content of the invention
It is a primary object of the present invention to provide a kind of shoulder joint humerus handle prosthese, at the beginning of solving existing humerus handle prosthese
The problem of initial stability of phase technique for fixing is poor.
To achieve these goals, the invention provides a kind of shoulder joint humerus handle prosthese, including：Main handle body；Strip ridge,
It is arranged on the outer wall of main handle body, with when main handle body is implanted into medullary cavity of humerus, with by main handle in the cortex of bone of embedded medullary cavity of humerus
Body is fixed in medullary cavity of humerus.
Further, strip ridge is a plurality of, and a plurality of strip ridge is arranged on main handle body along the circumferentially spaced of main handle body
On outer wall.
Further, strip ridge is extended along the bearing of trend of main handle body.
Further, strip ridge is arranged on the distal end of main handle body, when main handle body is implanted into medullary cavity of humerus, strip ridge insertion humerus
So that main handle body is fixed in medullary cavity of humerus in the cortex of bone of pulp cavity distal end；Wherein, the distal end of medullary cavity of humerus is away from humerus marrow
One end of the opening of chamber；The distal end of main handle body is one end that main handle body is implanted into the opening away from medullary cavity of humerus after medullary cavity of humerus.
Further, the near-end of main handle body is wedge structure, to be embedded in medullary cavity of humerus when main handle body is implanted into medullary cavity of humerus
So that main handle body is fixed in medullary cavity of humerus in the cortex of bone of near-end；Wherein, the near-end of medullary cavity of humerus is close to medullary cavity of humerus
One end of opening；The near-end of main handle body be main handle body be implanted into medullary cavity of humerus after close to medullary cavity of humerus opening one end.
Further, bone cement drainage channel is provided with main handle body, bone cement drainage channel is used to be implanted into main handle body
Bone cement is drained in medullary cavity of humerus so that main handle body is fixed in medullary cavity of humerus during medullary cavity of humerus.
Further, bone cement drainage channel includes：Conduction hole, it is arranged in main handle body and along the bearing of trend of main handle body
Extension.
Further, bone cement drainage channel also includes：Leadout hole, it is opened in along the radial direction of main handle body on main handle body to incite somebody to action
The ft connection of conduction hole and main handle body.
Further, leadout hole is multiple that bearing of trend of multiple leadout holes along main handle body is arranged in multiple row, multiple row export
The spaced setting of circumference of the hole along main handle body.
Further, the end of the distal end of main handle body is hemispherical ends.
Using the shoulder joint humerus handle prosthese of technical solution of the present invention, including：Main handle body and strip ridge；Strip ridge is arranged on
On the outer wall of main handle body, when main handle body is implanted into medullary cavity of humerus, to be embedded in the cortex of bone of medullary cavity of humerus so that main handle body to be fixed
In medullary cavity of humerus.So as to realize that humerus handle prosthese is fixed the initial stage in medullary cavity of humerus, humerus handle prosthese stress is prevented
Position changes afterwards, and the stability after humerus handle prosthese is fixed is effectively ensured.Solve existing humerus handle prosthese to consolidate initial stage
Determine technology initial stability it is poor the problem of.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is optional mounting structure of a kind of shoulder joint humerus handle prosthese in medullary cavity of humerus according to embodiments of the present invention
Schematic diagram；
Fig. 2 is optional a kind of side structure schematic diagram of shoulder joint humerus handle prosthese according to embodiments of the present invention；And
Fig. 3 is optional a kind of present invention looks up structural representation of shoulder joint humerus handle prosthese according to embodiments of the present invention.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, main handle body；20th, strip ridge；30th, medullary cavity of humerus；40th, bone cement drainage channel；41st, conduction hole；42nd, export
Hole；50th, spacing termination；60th, remote plug.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Shoulder joint humerus handle prosthese according to embodiments of the present invention, as shown in figure 1, including：Main handle body 10 and strip ridge 20；
Strip ridge 20 is arranged on the outer wall of main handle body 10, when main handle body 10 is implanted into medullary cavity of humerus 30, to be embedded in medullary cavity of humerus 30
So that main handle body 10 is fixed in medullary cavity of humerus 30 in cortex of bone.
Using the shoulder joint humerus handle prosthese of technical solution of the present invention, including：Main handle body 10 and strip ridge 20；Strip ridge 20
It is arranged on the outer wall of main handle body 10, when main handle body 10 is implanted into medullary cavity of humerus 30, to be embedded in the cortex of bone of medullary cavity of humerus 30
So that main handle body 10 is fixed in medullary cavity of humerus 30.So as to realize that humerus handle prosthese is consolidated the initial stage in medullary cavity of humerus 30
Fixed, position changes after preventing humerus handle prosthese stress, and the stability after humerus handle prosthese is fixed is effectively ensured.Solve existing
The problem of initial stability of some humerus handle prosthese technique for fixing at initial stage is poor.
When it is implemented, as depicted in figs. 1 and 2, strip ridge 20 is arranged on the distal end of main handle body 10, main handle body 10 is implanted into the upper arm
During ossis 30, strip ridge 20 is embedded in the cortex of bone of the distal end of medullary cavity of humerus 30 so that main handle body 10 is fixed on into medullary cavity of humerus 30
It is interior；Wherein, the distal end of medullary cavity of humerus 30 is one end of the opening away from medullary cavity of humerus 30；The distal end of main handle body 10 is main handle body 10
One end of opening away from medullary cavity of humerus 30 after implantation medullary cavity of humerus 30.
In order to which main handle body 10 is fixed, further, as shown in Figures 2 and 3, strip ridge 20 is a plurality of, per the rule
Bearing of trend of the shape ridge 20 along main handle body 10 is extended, and each bar strip ridge 20 is arranged on along the circumferentially spaced of main handle body 10
On the outer wall of main handle body 10, the spacing between adjacent two strip ridges 20 is equal.By a plurality of strip ridge 20 by main handle body 10
Will be fixed in multiple positions along its circumference, so as to which main handle body 10 is regularly more firm.
In order to which the near-end of medullary cavity of humerus 30 is fixed after main handle body 10 is implanted into medullary cavity of humerus 30, further
Ground, the near-end of main handle body 10 is wedge structure, and the width of the wedge structure is more than the diameter of the distal end of main handle body 10, so as in main handle
Body 10 be implanted into medullary cavity of humerus 30 when wedge structure along its width both ends insertion the near-end of medullary cavity of humerus 30 cortex of bone in
Main handle body 10 is fixed in medullary cavity of humerus 30 to prevent main handle body 10 from playing anti-rotational effect around its axial rotation；Wherein,
The near-end of medullary cavity of humerus 30 is one end of the opening close to medullary cavity of humerus 30；The near-end of main handle body 10 is that main handle body 10 is implanted into humerus
One end of the opening of close medullary cavity of humerus 30 after pulp cavity 30.
Bone cement can be poured into main handle body 10 and medullary cavity of humerus 30 in order to be implanted into main handle body 10 after medullary cavity of humerus 30
So that main handle body 10 further to be fixed in gap between inwall, alternatively, it is logical that bone cement drainage is provided with main handle body 10
Road 40,
Specifically, bone cement drainage channel 40 includes：Conduction hole 41 and leadout hole 42, conduction hole 41 are arranged on main handle body 10
Bearing of trend extension interior and along main handle body 10, radial direction of the leadout hole 42 along main handle body 10 are opened on main handle body 10 that will drain
Hole 41 and the ft connection of main handle body 10.Alternatively, leadout hole 42 is multiple, extension side of multiple leadout holes 42 along main handle body 10
Arranged in multiple row, each column leadout hole 42 is between two adjacent strip ridges 20, and multiple row leadout hole 42 is along main handle body 10
Circumferential spaced setting, so as to which bone cement is uniformly guided to main handle body 10 and medullary cavity of humerus along the circumferential of main handle body 10
Between 30 inwall.After main handle body 10 is implanted into medullary cavity of humerus 30, pass through the entrance of the conduction hole 41 of the near-end positioned at main handle body 10
Bone cement is poured into, bone cement flows to the distal end of main handle body 10 along conduction hole 41 always, then flows out to main handle body by leadout hole 42
So that main handle body 10 further be fixed in gap between 10 outer wall and the inwall of medullary cavity of humerus 30.
When main handle body 10 is implanted into medullary cavity of humerus 30, in order to which main handle body 10 is implanted into suitable position, main handle body 10 is avoided
It is implanted into too deep, further, is additionally provided with spacing termination 50 in the near-end of main handle body 10, spacing termination 50 is used in main handle body 10
Coordinate when being implanted into medullary cavity of humerus 30 with the entrance of the near-end of medullary cavity of humerus 30 and block main handle body 10, so as to which main handle body 10 is spacing
The suitable depth in medullary cavity of humerus 30；Wherein, the near-end of main handle body 10 is that main handle body 10 is implanted into after medullary cavity of humerus 30 close to the upper arm
One end of the opening of ossis 30.
For the ease of being implanted into main handle body 10, further, the end of the distal end of main handle body 10 is hemispherical ends, hemispherical
Termination can effectively reduce resistance during implantation main handle body 10.
The shoulder joint humerus handle prosthese of the embodiment of the present invention, the near-end of this main handle body 10 is flat wedge structure, and surface uses
The surface treatment such as sandblasting or biomaterial spraying, can realize growing into for bone and its cells at a specified future date, so as to realize that effective bone is whole
Close.The distal end of main handle body 10 is conical structure, and the head of distal end is semicircle spherical structure, can be easy to the plant of main handle body 10
Enter.
The distal end of main handle body 10 is uniform-distribution with strip ridge 20 along its circumference, the master between two adjacent strip ridges 20
The leadout hole 42 that quantity does not wait is distributed with the outer wall of shank body 10, is provided among main handle body 10 along the axis side of main handle body 10
To the conduction hole 41 of extension, conduction hole 41 penetrates one by one with the equally distributed leadout hole 42 in the distal end of main handle body 10.
During clinical operation, the distal end of medullary cavity of humerus 30 is rasped to the diameter with the distal end of main handle body 10 first with reamer
Adaptable size, the near-end of medullary cavity of humerus 30 is rasped to the flat wedge shape being adapted with the near-end of main handle body 10 with proximal medullary cavity file
Shape, then the distal end of medullary cavity of humerus 30 is blocked with remote plug 60, be implanted into main handle body 10 and suppress in place, flat wedge structure
It can coordinate with the near-end of medullary cavity of humerus 30 and realize that anti-rotation acts on.Equally distributed strip ridge 20 can be embedded into medullary cavity of humerus
Among the cortex of bone of 30 distal ends, closely it is interlocked with cortex of bone, realizes that the bio-mechanical at initial stage of the distal end of medullary cavity of humerus 30 is consolidated
It is fixed, while injected bone cement inside main handle body 10 along the conduction hole 41 inside main handle body 10 by pressing, and pass through main handle body
The equally distributed leadout hole 42 of 10 distal surfaces is penetrated into the distal end of medullary cavity of humerus 30, and remote plug 60 prevents bone cement beyond pre-
The diffusion of phase, bone cement and the micro- interior hinge lock mechanism of New bone formation, realize the fixation of local bone cement, are so achieved that biological machine
Tool is fixed and the mixing fixed form of cement reaction, the primary stability of main handle body 10 is enhanced, to realize main handle body at a specified future date
The coarse structure of 10 proximal end faces provides guarantee with the effective Integrated implant of sclerotin.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. shoulder joint humerus handle prosthese, it is characterised in that including：Main handle body (10)；Strip ridge (20), is arranged on the outer wall of the main handle body (10), to be implanted into medullary cavity of humerus in the main handle body (10) (30) when, it is embedded in the cortex of bone of the medullary cavity of humerus (30) so that the main handle body (10) is fixed on into the medullary cavity of humerus (30) It is interior.
- 2. shoulder joint humerus handle prosthese according to claim 1, it is characterised in that the strip ridge (20) is more to be a plurality of Strip ridge (20) described in bar is arranged on the outer wall of the main handle body (10) along the circumferentially spaced of the main handle body (10).
- 3. the shoulder joint humerus handle prosthese according to any one of claim 1 or 2, it is characterised in that the strip ridge (20) It is extended along the bearing of trend of the main handle body (10).
- 4. shoulder joint humerus handle prosthese according to claim 1, it is characterised in that the strip ridge (20) is arranged on described The distal end of main handle body (10), when the main handle body (10) is implanted into medullary cavity of humerus (30), described in strip ridge (20) insertion It is interior so that the main handle body (10) is fixed on into the medullary cavity of humerus (30) in the cortex of bone of medullary cavity of humerus (30) distal end；Wherein, the distal end of the medullary cavity of humerus (30) is one end of the opening away from the medullary cavity of humerus (30)；The main handle body (10) distal end is that the main handle body (10) is implanted into opening of the medullary cavity of humerus (30) afterwards away from the medullary cavity of humerus (30) One end.
- 5. shoulder joint humerus handle prosthese according to claim 1, it is characterised in that the near-end of the main handle body (10) is wedge Shape structure, to be embedded in the bone skin of the medullary cavity of humerus (30) near-end when the main handle body (10) is implanted into medullary cavity of humerus (30) It is interior so that the main handle body (10) is fixed on into the medullary cavity of humerus (30) in matter；Wherein, the near-end of the medullary cavity of humerus (30) is one end of the opening close to the medullary cavity of humerus (30)；The main handle body (10) near-end is that the main handle body (10) is implanted into the medullary cavity of humerus (30) afterwards close to the opening of the medullary cavity of humerus (30) One end.
- 6. shoulder joint humerus handle prosthese according to claim 1, it is characterised in that be provided with bone in the main handle body (10) Cement drainage channel (40), the bone cement drainage channel (40) are used to be implanted into the medullary cavity of humerus in the main handle body (10) (30) bone cement is drained in the medullary cavity of humerus (30) so that the main handle body (10) is fixed on into the medullary cavity of humerus when (30) in.
- 7. shoulder joint humerus handle prosthese according to claim 6, it is characterised in that bone cement drainage channel (40) bag Include：Conduction hole (41), it is arranged in the main handle body (10) and extends along the bearing of trend of the main handle body (10).
- 8. shoulder joint humerus handle prosthese according to claim 7, it is characterised in that the bone cement drainage channel (40) is also Including：Leadout hole (42), it is opened in along the radial direction of the main handle body (10) on the main handle body (10) with by the conduction hole (41) With the ft connection of the main handle body (10).
- 9. shoulder joint humerus handle prosthese according to claim 8, it is characterised in that the leadout hole (42) is more to be multiple Bearing of trend of the individual leadout hole (42) along the main handle body (10) arranges that leadout hole (42) described in multiple row is along the main handle in multiple row The spaced setting of circumference of body (10).
- 10. shoulder joint humerus handle prosthese according to claim 1, it is characterised in that the distal end of the main handle body (10) End is hemispherical ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710788850.6A CN107582219A (en) | 2017-09-04 | 2017-09-04 | Shoulder joint humerus handle prosthese |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710788850.6A CN107582219A (en) | 2017-09-04 | 2017-09-04 | Shoulder joint humerus handle prosthese |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107582219A true CN107582219A (en) | 2018-01-16 |
Family
ID=61051807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710788850.6A Withdrawn CN107582219A (en) | 2017-09-04 | 2017-09-04 | Shoulder joint humerus handle prosthese |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107582219A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464513A (en) * | 2019-09-05 | 2019-11-19 | 北京爱康宜诚医疗器材有限公司 | Positioning component and the femoral prosthesis component with it in femur marrow |
| WO2020133607A1 (en) * | 2018-12-27 | 2020-07-02 | 北京爱康宜诚医疗器材有限公司 | Shoulder joint prosthesis |
| CN113974927A (en) * | 2021-12-24 | 2022-01-28 | 北京爱康宜诚医疗器材有限公司 | Intermediate implant for an implantable prosthesis |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0428127A1 (en) * | 1989-11-14 | 1991-05-22 | V. Dipl.-Ing. Dr. Med . Jansson | Endoprothesis to be inplanted with cement |
| WO1993008769A1 (en) * | 1991-11-04 | 1993-05-13 | Merck Patent Gmbh | Hip prosthesis stem with a medullary cavity drainage system |
| CN1481765A (en) * | 2003-07-23 | 2004-03-17 | 吉林市中心医院 | Carbonaceous artificial head of humerus prosthesis |
| FR2882922A1 (en) * | 2005-03-08 | 2006-09-15 | Levon Doursounian | Implant for repairing humeral fractures comprises shank and sliding wedge that can be fixed at various heights by peg, screw or rack |
| CN101011299A (en) * | 2007-02-02 | 2007-08-08 | 彭晓东 | 3-D shoulder joint prosthesis |
| US20150245912A1 (en) * | 2012-09-21 | 2015-09-03 | Waldemar Link Gmbh & Co. Kg | Joint Implant |
-
2017
- 2017-09-04 CN CN201710788850.6A patent/CN107582219A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0428127A1 (en) * | 1989-11-14 | 1991-05-22 | V. Dipl.-Ing. Dr. Med . Jansson | Endoprothesis to be inplanted with cement |
| WO1993008769A1 (en) * | 1991-11-04 | 1993-05-13 | Merck Patent Gmbh | Hip prosthesis stem with a medullary cavity drainage system |
| CN1481765A (en) * | 2003-07-23 | 2004-03-17 | 吉林市中心医院 | Carbonaceous artificial head of humerus prosthesis |
| FR2882922A1 (en) * | 2005-03-08 | 2006-09-15 | Levon Doursounian | Implant for repairing humeral fractures comprises shank and sliding wedge that can be fixed at various heights by peg, screw or rack |
| CN101011299A (en) * | 2007-02-02 | 2007-08-08 | 彭晓东 | 3-D shoulder joint prosthesis |
| US20150245912A1 (en) * | 2012-09-21 | 2015-09-03 | Waldemar Link Gmbh & Co. Kg | Joint Implant |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020133607A1 (en) * | 2018-12-27 | 2020-07-02 | 北京爱康宜诚医疗器材有限公司 | Shoulder joint prosthesis |
| CN110464513A (en) * | 2019-09-05 | 2019-11-19 | 北京爱康宜诚医疗器材有限公司 | Positioning component and the femoral prosthesis component with it in femur marrow |
| CN113974927A (en) * | 2021-12-24 | 2022-01-28 | 北京爱康宜诚医疗器材有限公司 | Intermediate implant for an implantable prosthesis |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180116 |
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