CN207575296U - Acetabular component - Google Patents
Acetabular component Download PDFInfo
- Publication number
- CN207575296U CN207575296U CN201720613838.7U CN201720613838U CN207575296U CN 207575296 U CN207575296 U CN 207575296U CN 201720613838 U CN201720613838 U CN 201720613838U CN 207575296 U CN207575296 U CN 207575296U
- Authority
- CN
- China
- Prior art keywords
- acetabular
- cup
- inner cup
- bone inner
- outer cup
- 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.)
- Active
Links
Landscapes
- Prostheses (AREA)
Abstract
The utility model provides a kind of acetabular component, and acetabular component includes acetabular outer cup；Acetabular bone inner cup, the cup intracavitary for being at least partially disposed at acetabular outer cup of acetabular bone inner cup, the rim of a cup of acetabular outer cup is towards the rim of a cup with acetabular bone inner cup towards identical, and acetabular bone inner cup is telescopically set relative to acetabular outer cup, so that the rim of a cup of acetabular bone inner cup is directed away from or close to the movement of the direction of acetabular bone cup body.Using the technical solution of the utility model, the depth of acetabular outer cup can be entered by adjusting acetabular bone inner cup, and then adjust entire acetabular component and the position of femoral head junction, the namely position of femoral head rotation center, the final rotation center for making patient femur's head restores to strong state position, so as to solve the problems, such as that acetabular component is difficult to that the rotation center of femoral head is made to restore to be good for state position to patient in the prior art.
Description
Technical field
The utility model is related to medical field, in particular to a kind of acetabular component.
Background technology
Replacement of Hip Joint (THA) is 20th century one of most successful surgical operation, it can effectively eliminate pass
It saves pain, rebuild function of joint and correct deformity, so as to improve patients ' life quality.Hip prosthesis is divided into two parts, including
The position of acetabular component and femoral prosthesis (including femoral head), wherein acetabular component determines the rotation center (COR) of femoral head.
Through clinical research, inwardly top shifts COR, and gluteus medius can be caused powerless, influences hip abduction activity；COR to
Outer lower side shifts, and can cause neural paralysis, hip pain or even influence prosthese service life, so the position of adjustment acetabular component
It puts, it is the key that THA to restore so as to the COR for making patient to strong state position.
Acetabular component of the prior art is largely that neck length or eccentricity by adjusting femoral stem restore to reach
The effect of joint motion, but COR is not restored to the strong state position of patient, therefore there is no the passes of complete reconstruction patients
Section, in use can cause patient certain sense of discomfort and great healthy hidden danger.
Utility model content
The main purpose of the utility model is that a kind of acetabular component is provided, it is difficult to solve acetabular component of the prior art
So that the problem of rotation center of femoral head restores to the strong state position of patient.
To achieve these goals, the utility model provides a kind of acetabular component, and acetabular component includes acetabular outer cup；Hip
Mortar inner cup, the cup intracavitary for being at least partially disposed at acetabular outer cup of acetabular bone inner cup, rim of a cup direction and the acetabular bone inner cup of acetabular outer cup
Towards identical, acetabular bone inner cup is telescopically set rim of a cup relative to acetabular outer cup so that the rim of a cup of acetabular bone inner cup be directed away from or
It is moved close to the direction of acetabular outer cup.
Further, outer wall is provided on the outer wall of acetabular bone inner cup and adjusts screw thread, be provided on the inner wall of acetabular outer cup with
Outer wall adjusts the matched inner wall of screw thread and adjusts screw thread, so that acetabular bone inner cup is threadedly coupled with acetabular outer cup.
Further, it is provided on the rim of a cup of acetabular bone inner cup and is matched for the adjusting tool to stretch with adjusting acetabular bone inner cup
Holding hole, adjust tool be at least partially inserted into hold hole in adjust acetabular bone inner cup stretch.
Further, acetabular component further includes locking member, and locking member is all connected with acetabular outer cup and acetabular bone inner cup, by hip
Mortar outer cup and the locking connection of acetabular bone inner cup.
Further, the first locking hole is set on the wall of cup of acetabular outer cup, locking member be threaded through in the first locking hole with
Acetabular outer cup connects.
Further, be provided with the second locking hole on the wall of cup of acetabular bone inner cup, locking member be threaded through in the second locking hole with
It is connect with acetabular bone inner cup.
Further, locking member is lock-screw, and the first locking hole has what is be adapted with the thread rod part of lock-screw
Screw thread hole section, the second locking hole are counter sink, and the nut portion of lock-screw is limited in counter sink.
Further, the center line of the first locking hole is overlapped with the axis of acetabular outer cup, the center line of the second locking hole with
The axis of acetabular bone inner cup overlaps.
Further, the bone cement hole for injecting bone cement, bone cement hole and hip are provided on the wall of cup of acetabular outer cup
Gap between mortar outer cup and acetabular bone inner cup wall surface is connected.
Further, bone cement hole on the inner wall of acetabular outer cup and extend to acetabular outer cup rim of a cup groove.
Further, bone cement hole is multiple, multiple bone cement hole being provided at circumferentially spaced along acetabular outer cup.
Using the technical solution of the utility model, the depth of acetabular outer cup can be entered by adjusting acetabular bone inner cup, and then
The position of entire acetabular component and femoral head junction, that is, the position of femoral head rotation center are adjusted, finally makes patient's stock
The rotation center of bone restores to strong state position, is difficult to make in the rotation of femoral head so as to solve acetabular component in the prior art
The heart restore to patient be good for state position the problem of.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description do not form the improper restriction to the utility model for explaining the utility model.
In the accompanying drawings：
What Fig. 1 showed the embodiment of acetabular component according to the present utility model disassembles schematic diagram.
Wherein, above-mentioned attached drawing is marked including the following drawings：
1st, acetabular outer cup；11st, inner wall adjusts screw thread；12nd, bone cement hole；13rd, the first locking hole；2nd, acetabular bone inner cup；21st, it is outer
Wall adjusts screw thread；22nd, the second locking hole；23rd, hole is held；3rd, locking member.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be understood that these embodiments are provided so that disclosure herein is thoroughly and complete, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, expands layer
With the thickness in region, and make identical device is presented with like reference characters, thus description of them will be omitted.
The utility model provides a kind of acetabular component, please refers to Fig.1, including acetabular outer cup 1；Acetabular bone inner cup 2, in acetabular bone
The cup intracavitary for being at least partially disposed at acetabular outer cup 1 of cup 2, the rim of a cup of acetabular outer cup 1 is towards the rim of a cup with acetabular bone inner cup 2 towards phase
Together, acetabular bone inner cup 2 is telescopically set relative to acetabular outer cup 1, so that the rim of a cup of acetabular bone inner cup 2 is directed away from or close to acetabular bone
The direction movement of outer cup 1.
Hip prosthesis is divided into two parts：Acetabular component and femoral prosthesis (including femoral head), the wherein position of acetabular component
The rotation center for determining femoral head is put, clinical research is found, if state position is good in the position of femoral head rotation center to patient
Interior upper deviation, gluteus medius can be caused powerless, influence hip abduction activity；If the outer lower side that state position is good for patient is inclined
From, may cause neural paralysis, hip pain in addition influence prosthese service life.But acetabular component of the prior art
Do not have the single acetabular cup of position adjustment function mostly, the rotation center with position, that is, femoral head of femoral head junction is solid
Fixed, so as to influence the Clinical practice effect of acetabular component, sense of discomfort or even health risk are brought to patient.
Therefore, the utility model provides a kind of acetabular component for having position adjustment function.The acetabular component includes two
A acetabular cup, i.e. acetabular outer cup 1 and acetabular bone inner cup 2, the direction of two rims of a cup is consistent, and acetabular bone inner cup 2 can by stretching motion
Make acetabular bone inner cup 2 is some or all of to enter in acetabular outer cup 1, acetabular bone inner cup 2 is the component contacted with femoral head.It needs
Bright, the stretching motion of acetabular bone inner cup 2 can be realized by pushing and pulling or rotating acetabular bone inner cup 2 and/or acetabular outer cup 1.
In use, acetabular bone inner cup 2 is connect with the femoral head of femoral prosthesis or the femoral head of patient, then pass through adjusting
Acetabular bone inner cup 2 enters the depth of acetabular outer cup 1, to adjust the position of femoral head and 2 junction of acetabular bone inner cup, is adjusted so as to reach
The effect of femoral head rotation center position makes the rotation center of femoral head restore to the strong state position of patient.Using this reality
With novel acetabular component, acetabular component in the prior art can be solved and be difficult to that the rotation center of femoral head is made to restore to patient to be good for
The problem of state position.
In order to more accurately adjust position of the acetabular bone inner cup 2 relative to acetabular outer cup 1, set on the outer wall of acetabular bone inner cup 2
There is outer wall to adjust screw thread 21, be provided on the inner wall of acetabular outer cup 1 and adjust 21 matched inner wall of screw thread adjusting screw thread with outer wall
11, so that acetabular bone inner cup 2 is threadedly coupled with acetabular outer cup 1.
Threaded connection is common mechanical connection manner, has the advantage for precisely adjusting relative position, therefore this practicality is new
It is preferable to use the modes of threaded connection for type to connect acetabular bone inner cup 2 and acetabular outer cup 1.In this way, by rotate acetabular bone inner cup 2 and/
Or acetabular outer cup 1 just can precisely adjust the relative position between acetabular bone inner cup 2 and acetabular outer cup 1, i.e. acetabular bone inner cup 2 enters hip
The depth of mortar outer cup 1, and then precisely adjust the rotation center of femoral head.
It is often necessary to adjust the relative position of acetabular bone inner cup 2 and acetabular outer cup 1 by adjusting tool, make for convenience
Acetabular component is adjusted with tool, is provided on the rim of a cup of acetabular bone inner cup 2 for the adjusting flexible with adjusting acetabular bone inner cup 2
Tool is matched to hold hole 23, adjusts being at least partially inserted into for tool and holds in hole 23 to adjust the flexible of acetabular bone inner cup 2.
In the utility model, the holding hole 23 being arranged in acetabular bone inner cup 2 can be matched with adjusting tool, in use,
Being either partially or fully embedded into for the tool that adjusts is held into hole 23, rotation or push-and-pull adjusting tool, so as to make acetabular bone inner cup 2 and hip
Mortar outer cup 1 carries out relative motion, realizes stretching motion of the acetabular bone inner cup 2 relative to acetabular outer cup 1, is finally reached adjusting femoral head
The technique effect of rotation center.
In order to increase the stress point of acetabular bone inner cup 2, multiple holding holes 23 can be set in acetabular bone inner cup 2, it is preferable that more
A hole 23 that holds is arranged along the circumferential uniform intervals of the rim of a cup of acetabular bone inner cup 2, can ensure 2 uniform force of acetabular bone inner cup in this way,
Avoid the situation that acetabular bone inner cup 2 is stuck in due to unbalance stress in acetabular outer cup 1.
Acetabular bone inner cup 2 is adjusted to the suitable position in acetabular outer cup 1, can be locked by being set on acetabular component
Part 3 ensures that acetabular bone inner cup 2 and the relative position of acetabular outer cup 1 do not change, in order to achieve the above object, one of which side
Method is setting locking member 3 on acetabular component, and locking member 3 is all connected with acetabular outer cup 1 and acetabular bone inner cup 2, by 1 He of acetabular outer cup
The locking connection of acetabular bone inner cup 2.
The locking member 3 of the utility model is connected to acetabular bone inner cup 2 and acetabular outer cup 1 simultaneously, and locking member 3 partially passes through acetabular bone
It is connect after inner cup 2 with acetabular outer cup 1, acetabular bone inner cup 2 and the relative position of acetabular outer cup 1 is made to be fixed up.
Specifically, the first locking hole 13 is set on the wall of cup of acetabular outer cup 1, and locking member 3 is threaded through the first locking hole 13
It is interior to be connect with acetabular outer cup 1.
Be provided with the second locking hole 22 on the wall of cup of acetabular bone inner cup 2, locking member 3 be threaded through in the second locking hole 22 with hip
Mortar inner cup 2 connects.
The forepart of locking member 3 pass through acetabular bone inner cup 2 the second locking hole 22 after with the first locking hole 13 on acetabular outer cup 1
Connection, the rear portion of locking member 3 is stayed in acetabular bone inner cup 2, in this way, locking member 3 is formed together with acetabular bone inner cup 2 and acetabular outer cup 1
One fixed whole, and relative position immobilizes.
In order to realize above-mentioned locking mode, locking member 3 is lock-screw, and the first locking hole 13 has the spiral shell with lock-screw
The screw thread hole section that rasp bar portion is adapted, the second locking hole 22 are counter sink, and the nut portion of lock-screw is limited in counter sink.
In use, rotation lock-screw, makes thread rod part all by the counter sink on the wall of cup of acetabular bone inner cup 2, leave
Nut portion is limited in counter sink, is carried out by the thread rod part of counter sink and the threaded hole of acetabular outer cup 1 by screw thread hole section
It is threadedly coupled, so as to which acetabular outer cup 1 be made to be fixedly connected with lock-screw, furthermore, it is understood that i.e. for the hip of limiting locking screw
Mortar inner cup 2 is fixedly connected with acetabular outer cup 1, and finally, acetabular bone inner cup 2 and the relative position of acetabular outer cup 1 are fixed.
In the specific implementation, in order to ensure locking member 3 can across the first locking hole of face 13 after the second locking hole 22,
The center line of the first locking hole 13 must be made to be overlapped with the axis of acetabular outer cup 1, in the center line and acetabular bone of the second locking hole 22
The axis of cup 2 overlaps.Preferably, acetabular outer cup 1 and acetabular bone inner cup 2 are a part for sphere.Preferably, 1 He of acetabular outer cup
Acetabular bone inner cup 2 is hemispherical.The axis of acetabular outer cup 1 is the center line of the acetabular outer cup 1；The axis of acetabular bone inner cup 2 is
Center line for acetabular bone inner cup 2.
In order to strengthen the fixed effect to acetabular bone inner cup 2 and acetabular outer cup 1, can be set on the wall of cup of acetabular outer cup 1
For injecting the bone cement hole 12 of bone cement, the gap between bone cement hole 12 and acetabular outer cup 1 and 2 wall surface of acetabular bone inner cup is connected
It is logical.
There is gap between acetabular bone inner cup 2 and acetabular outer cup 1, bone cement hole 12, the bone are set on the wall of cup of acetabular outer cup 1
Gap between cement hole 12 and acetabular bone inner cup 2 and acetabular outer cup 1 connects, in this way, regulating acetabular bone inner cup 2 and acetabular outer cup 1
Relative position after, to 12 inner injection bone cement of bone cement hole, bone cement flows into acetabular bone inner cup 2 and acetabular bone along bone cement hole 12
Gap between outer cup 1, is partly or entirely filled in gap, after bone cement solidifies, acetabular outer cup 1, acetabular bone inner cup 2 and bone
Cement is connected, so as to secure the relative position between acetabular outer cup 1 and acetabular bone inner cup 2.
When it is implemented, as shown in Figure 1, it is preferred that bone cement hole 12 is on the inner wall of acetabular outer cup 1 and extends to hip
The groove of the rim of a cup of mortar outer cup 1.
Can be as needed, bone cement hole 12 is set as multiple, multiple bone cement holes 12 are along between the circumferential direction of acetabular outer cup 1
Every setting.The speed of injection cement can be improved in this way, while increases the fixed point of bone cement.
It can be seen from the above description that the above embodiments of the present invention achieve the following technical effects：
Using the technical solution of the utility model, the depth of acetabular outer cup 1 can be entered by adjusting acetabular bone inner cup 2, into
And the position of entire acetabular component and femoral head junction is adjusted, that is, the position of femoral head rotation center, finally make patient
The rotation center of femoral head restores to strong state position, the rotation for making femoral head so as to solve acetabular component to be in the prior art difficult to
Center restore to patient be good for state position the problem of.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that it uses in this way
Data can be interchanged in the appropriate case, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not
Be necessarily limited to those steps clearly listed or unit, but may include not listing clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made in opposite description to space used herein above.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (11)
1. a kind of acetabular component, which is characterized in that the acetabular component includes：
Acetabular outer cup (1)；
Acetabular bone inner cup (2), the cup intracavitary for being at least partially disposed at the acetabular outer cup (1) of the acetabular bone inner cup (2), the acetabular bone
The rim of a cup of outer cup (1) is towards the rim of a cup with the acetabular bone inner cup (2) towards identical, and the acetabular bone inner cup (2) is relative to the hip
Mortar outer cup (1) is telescopically set, so that the rim of a cup of the acetabular bone inner cup (2) is directed away from or close to the acetabular outer cup (1)
Direction movement.
2. acetabular component according to claim 1, which is characterized in that be provided on the outer wall of the acetabular bone inner cup (2) outer
Wall adjusts screw thread (21), is provided on the inner wall of the acetabular outer cup (1) matched interior with outer wall adjusting screw thread (21)
Wall adjusts screw thread (11), so that the acetabular bone inner cup (2) is threadedly coupled with the acetabular outer cup (1).
3. acetabular component according to claim 1 or 2, which is characterized in that be provided on the rim of a cup of the acetabular bone inner cup (2)
Hole (23) are held for the adjusting tool flexible with adjusting the acetabular bone inner cup (2) to be matched, the adjusting tool is at least
It holds in hole (23) to adjust the flexible of the acetabular bone inner cup (2) described in partial insertion.
4. acetabular component according to claim 1, which is characterized in that the acetabular component further includes：
Locking member (3), the locking member (3) are all connected with the acetabular outer cup (1) and the acetabular bone inner cup (2), by described in
Acetabular outer cup (1) and the acetabular bone inner cup (2) locking connection.
5. acetabular component according to claim 4, which is characterized in that set first on the wall of cup of the acetabular outer cup (1)
Locking hole (13), the locking member (3) are threaded through in first locking hole (13) to connect with the acetabular outer cup (1).
6. acetabular component according to claim 5, which is characterized in that is provided on the wall of cup of the acetabular bone inner cup (2)
Two locking holes (22), the locking member (3) are threaded through in second locking hole (22) to connect with the acetabular bone inner cup (2).
7. acetabular component according to claim 6, which is characterized in that the locking member (3) be lock-screw, described first
Locking hole (13) has the screw thread hole section being adapted with the thread rod part of the lock-screw, and second locking hole (22) is heavy
Head bore, the nut portion of the lock-screw are limited in the counter sink.
8. acetabular component according to claim 6, which is characterized in that the center line of first locking hole (13) and the hip
The axis of mortar outer cup (1) overlaps, and the center line of second locking hole (22) is overlapped with the axis of the acetabular bone inner cup (2).
9. acetabular component according to claim 1, which is characterized in that set on the wall of cup of the acetabular outer cup (1) useful
In the bone cement hole (12) of injection bone cement, the bone cement hole (12) and the acetabular outer cup (1) and the acetabular bone inner cup (2)
Gap between wall surface is connected.
10. acetabular component according to claim 9, which is characterized in that the bone cement hole (12) is positioned at the acetabular bone
On the inner wall of outer cup (1) and extend to the acetabular outer cup (1) rim of a cup groove.
11. acetabular component according to claim 9, which is characterized in that the bone cement hole (12) is multiple described to be multiple
Bone cement hole (12) being provided at circumferentially spaced along the acetabular outer cup (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720613838.7U CN207575296U (en) | 2017-05-25 | 2017-05-25 | Acetabular component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720613838.7U CN207575296U (en) | 2017-05-25 | 2017-05-25 | Acetabular component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207575296U true CN207575296U (en) | 2018-07-06 |
Family
ID=62718423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720613838.7U Active CN207575296U (en) | 2017-05-25 | 2017-05-25 | Acetabular component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207575296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174380A (en) * | 2017-05-25 | 2017-09-19 | 北京爱康宜诚医疗器材有限公司 | Acetabular component |
-
2017
- 2017-05-25 CN CN201720613838.7U patent/CN207575296U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174380A (en) * | 2017-05-25 | 2017-09-19 | 北京爱康宜诚医疗器材有限公司 | Acetabular component |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20180235798A1 (en) | Apparatus and methods for bone repair preparation | |
| CN112804969B (en) | Implants, systems, and methods of use thereof | |
| WO2018006428A1 (en) | Sacrum repair device | |
| US10959761B2 (en) | Intramedullary fixated subacromial spacers | |
| CN106413603A (en) | Dynamization module for external fixation strut | |
| US20180193153A1 (en) | Articular surface repair | |
| CN204092153U (en) | Locking near end of thighbone blade plate nail system | |
| US20050240275A1 (en) | Cannulated femoral hip implant apparatus | |
| CN105520774A (en) | Femoral neck inner side support structure and femoral neck fracture fixing device | |
| EP2789303A1 (en) | Implantable insert sleeve | |
| CN103445839B (en) | Ankle multidimensional regulation-control orthosis | |
| CN207575296U (en) | Acetabular component | |
| CN107174380A (en) | Acetabular component | |
| CN206198032U (en) | Lockplate on the outside of a kind of proximal tibia | |
| CN107647948A (en) | Ankle joint fusion device | |
| WO2021260616A1 (en) | Humeral repair implant | |
| CN104840276A (en) | Femoral stem | |
| CN103932771B (en) | Traction and fixation connector not prone to damage to anterior superior spine and crista iliaca | |
| CN206355121U (en) | A kind of intramedullary needle fixing device of novel thighbone handle prosthese and Periprosthetic fracture | |
| CN203425018U (en) | Shoulder joint dynamic-static combined regulating external fixing device | |
| CN106923895A (en) | Hip stretch device | |
| CN104665960A (en) | Orthopedic prosthesis for proximal radioulnar joint fusion | |
| CN110292426A (en) | A kind of external fixing rack that stress is adjustable | |
| CN103445833A (en) | Shoulder joint dynamic and static combined regulation external fixator | |
| CN204618489U (en) | Proximal radioulnar joint merges orthopaedic prosthesis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |