CN209405023U - Hip joint spacer mold - Google Patents
Hip joint spacer mold Download PDFInfo
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- CN209405023U CN209405023U CN201721491755.1U CN201721491755U CN209405023U CN 209405023 U CN209405023 U CN 209405023U CN 201721491755 U CN201721491755 U CN 201721491755U CN 209405023 U CN209405023 U CN 209405023U
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- hip joint
- joint spacer
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Abstract
The utility model provides a kind of hip joint spacer mold, comprising: the first mold；Second mold forms the occupy-place type chamber for forming hip joint spacer between the first mold and the second mold；Support portion, support portion to be at least partially disposed in occupy-place type intracavitary, at least partly being formed with the cavity wall of occupy-place type chamber for the support portion intracavitary positioned at occupy-place type accommodates gap, and the Cement fixation for making hip joint spacer is accommodating in gap, to form hip joint spacer.The hip joint spacer mold of the utility model solves the problems, such as that hip joint spacer mold in the prior art not can guarantee degree of precision when making occupying device.
Description
Technical field
The utility model relates to medical instruments fields, in particular to a kind of hip joint spacer mold.
Background technique
It is infected after artificial joint replacement, once it is not controlled, it will lead to serious complication.Mainstream at present
Treatment method be by a phase prosthese take out, carry out debridement treatment, carry out second operation again after infecting and being controlled.Clinic is aobvious
Show, after phase debridement, the prosthese vacancy of taking-up should use other object occupy-places, otherwise periarticular soft tissues will contracture, no
Conducive to secondary operation.It has gained public acceptance currently, carrying out the second stage of revision procedure using joint type antibiotic occupying device.
Hip joint spacer mostly uses bone cement to make at present, by antibiotic Cement fixation into mold, to solid
After change, takes out occupying device and be implanted into prosthese vacancy.Cause superinfection in order to prevent, occupying device need to be made in situations in the surgery room.
In addition, the surface of occupying device need to be more smooth, in order to avoid causing local scuffing after implantation, expand infection scope.
Existing occupying device is mostly to be integrally designed, and not can guarantee degree of precision, there are poor mobility after patient's implantation,
This undoubtedly brings inconvenience to the life of patient.
Utility model content
The main purpose of the utility model is to provide a kind of hip joint spacer molds, to solve hip in the prior art
Not the problem of joint spacer mold not can guarantee degree of precision when making occupying device.
To achieve the goals above, the utility model provides a kind of hip joint spacer mold, comprising: the first mold；
Second mold forms the occupy-place type chamber for forming hip joint spacer between the first mold and the second mold；Support portion, branch
Support part is at least partially disposed in that occupy-place type is intracavitary, the support portion intracavitary positioned at occupy-place type at least partly with occupy-place type
The cavity wall of chamber, which is formed, accommodates gap, and the Cement fixation for making hip joint spacer is accommodating in gap, to form hip pass
Save occupying device.
Further, support portion includes: fixed section, and fixed section setting is intracavitary in occupy-place type, and bone cement is wrapped in fixation
Duan Shang.
Further, fixed section includes: the first supporting section, between the cavity wall formation of the first supporting section and occupy-place type chamber accommodates
Gap；Second supporting section, the second supporting section are connected with the first end of the first supporting section；Third supporting section, third supporting section and
The second end of one supporting section is connected.
Further, support portion further include: linkage section, linkage section are connected with fixed section, and linkage section is located at occupy-place type
Outside chamber.
Further, linkage section is cone, and cone is for connecting femoral head prosthesis.
Further, linkage section and fixed section are detachably connectable.
Further, the first mold is pivotly connected with the second mold.
Further, it is provided with first connecting portion on the first mold, second connecting portion is provided on the second mold, first connects
Socket part is connected with second connecting portion.
Further, first connecting portion is location hole, and second connecting portion is positioning pin, and positioning pin is threaded through positioning hole；
Or, first connecting portion is positioning pin, second connecting portion is location hole, and positioning pin is threaded through positioning hole.
Further, at least one first groove, opening the first mold of direction of the first groove are provided on the first mold
Outer edge, the first groove for open the first mold.
Further, at least one second groove is provided on the second mold, the second groove is oppositely arranged with the first groove.
Further, occupy-place type chamber is for forming type femoral bone end prosthesis.
The hip joint spacer mold of the utility model by the first mold, the second mold and support portion can obtain compared with
High-precision hip joint spacer.Wherein, it is formed between the first mold and the second mold for forming accounting for for hip joint spacer
Position type chamber, support portion are at least partially disposed in that occupy-place type is intracavitary, at least portion of the support portion intracavitary positioned at occupy-place type
Divide to be formed with the cavity wall of occupy-place type chamber and accommodate gap, the Cement fixation for making hip joint spacer is accommodating gap
It is interior.In specific manufacturing process, support portion is placed on that occupy-place type is intracavitary, and bone cement is wrapped on support portion, solidifying to bone cement
Gu after molding, opening the first mold and the second mold, taking out hip joint spacer after molding.
The hip joint spacer mold of the utility model can make bone cement be wrapped in support portion by the setting of support portion
On, support portion and bone cement form hip joint spacer.It, can not only with bone cement molding by it in view of support portion is external part
Enough guarantee the intensity of occupying device entirety, and support portion can guarantee it by machining for connecting the part of other component
Precision is made, so that solving hip joint spacer mold in the prior art not can guarantee degree of precision when making occupying device
The problem of.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the embodiment of hip joint spacer mold according to the present utility model.
Wherein, the above drawings include the following reference numerals:
10, the first mold；11, first connecting portion；12, the first groove；20, the second mold；21, second connecting portion；22,
Two grooves；30, support portion；31, fixed section；311, the first supporting section；312, the second supporting section；313, third supporting section；32, even
Connect section；40, occupy-place type chamber；50, gap is accommodated.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
The utility model provides a kind of hip joint spacer mold, referring to FIG. 1, hip joint spacer mold includes:
First mold 10；Second mold 20 is formed between first mold 10 and the second mold 20 for forming accounting for for hip joint spacer
Position type chamber 40；Support portion 30, support portion 30 are at least partially disposed in occupy-place type chamber 40, are located in occupy-place type chamber 40
Support portion 30 at least partly with the cavity wall of occupy-place type chamber 40 formed accommodate gap 50, for making hip joint spacer
Cement fixation is accommodating in gap 50, to form hip joint spacer.
The hip joint spacer mold of the utility model can by the first mold 10, the second mold 20 and support portion 30
Obtain the hip joint spacer of degree of precision.Wherein, it is formed between the first mold 10 and the second mold 20 for forming hip joint
The occupy-place type chamber 40 of occupying device, support portion 30 are at least partially disposed in occupy-place type chamber 40, are located at occupy-place type chamber 40
At least partly being formed with the cavity wall of occupy-place type chamber 40 for interior support portion 30 accommodates gap 50, for making hip joint spacer
Cement fixation accommodate gap 50 in.In specific manufacturing process, support portion 30 is placed in occupy-place type chamber 40, bone water
Mud drum is rolled on support portion 30, after bone cement coagulation forming, is opened the first mold 10 and the second mold 20, is taken out after molding
Hip joint spacer.
The hip joint spacer mold of the utility model passes through the setting of support portion 30, and bone cement can be made to be wrapped in support
In portion 30, support portion 30 and bone cement form hip joint spacer.In view of support portion 30 is external part, by its with bone cement at
Type can not only guarantee the intensity of occupying device entirety, and support portion 30 can pass through machinery for connecting the part of other component
Processing guarantees that it makes precision, so that solving hip joint spacer mold in the prior art can not protect when making occupying device
The problem of demonstrate,proving degree of precision.
For the specific structure of support portion 30, as shown in Figure 1, support portion 30 includes: fixed section 31, the setting of fixed section 31 exists
In occupy-place type chamber 40, bone cement is wrapped on fixed section 31.
In the present embodiment, by being provided with fixed section 31 on support portion 30, fixed section 31 is arranged in occupy-place type chamber
In 40, at least partly being formed with the cavity wall of occupy-place type chamber 40 for fixed section 31 in occupy-place type chamber 40 accommodates gap
50, the Cement fixation for making hip joint spacer is accommodating in gap 50, to form hip joint spacer.
For the specific structure of fixed section 31, fixed section 31 includes: the first supporting section 311, the first supporting section 311 and occupy-place
Type chamber 40, which is formed, accommodates gap 50；Second supporting section 312, the second supporting section 312 are connected with the first end of the first supporting section 311
It connects；Third supporting section 313, third supporting section 313 are connected with the second end of the first supporting section 311.
In the present embodiment, fixed section 31 is by the first supporting section 311, the second supporting section 312 and 313 groups of third supporting section
At.Wherein, the cavity wall of the first supporting section 311 and occupy-place type chamber 40, which is formed, accommodates gap 50, the second supporting section 312 and first
The first end of support section 311 is connected, and third supporting section 313 is connected with the second end of the first supporting section 311.
In the present embodiment, bone cement is wrapped on the first supporting section 311, the second supporting section 312 and third supporting section
313 are located at the both ends of the first supporting section 311.Wherein, the second supporting section 312 and third supporting section 313 are used for positioning support portion
30, the first supporting section 311 is merged with bone cement.
It is connected in order to facilitate hip joint spacer with other components, as shown in Figure 1, support portion 30 further include: linkage section
32, linkage section 32 is connected with fixed section 31, and linkage section 32 is located at outside occupy-place type chamber 40.
In the present embodiment, by being provided with linkage section 32 on support portion 30, wherein linkage section 32 and 31 phase of fixed section
Connection.It is connected in order to facilitate hip joint spacer with other components, linkage section 32 is located at outside occupy-place type chamber 40.Specifically make
With in the process, linkage section 32 can be set to structure compatible with mechanism to be matched, be realized by the linkage section 32 of peripheral hardware
Hip joint spacer and the connection to matching piece.
In the specific use process, linkage section 32 can be the relatively-stationary form of structure, by processing phase
The structure answered.Occupy-place type chamber 40 can be replaced according to different hip joint spacer shapes and size.
In order to realize the connection of linkage section 32 Yu femoral head prosthesis, linkage section 32 is cone, and cone is for connecting stock
Bone prosthese.
In the present embodiment, occupy-place type chamber 40 is needed for forming type femoral bone end prosthesis, type femoral bone end prosthesis and femoral head prosthesis
It is used cooperatively.Wherein, the connection structure of femoral head prosthesis and linkage section 32 is conical bore, correspondingly, in the present embodiment, even
Connecing section 32 is cone, and cone is used to connect the conical bore of femoral head prosthesis.
Preferably, linkage section 32 and fixed section 31 are detachably connectable.
For convenience the connection of the first mold 10 and the second mold 20 with open, the first mold 10 and the second mold 20 can pivots
Turn ground to be connected.
In the present embodiment, by the way that the first mold 10 is pivotly connected with the second mold 20.In hip joint occupy-place
In device forming process, the first mold 10 and the second mold 20 are in the open state, and bone cement setting is in occupy-place type chamber 40, support
Portion 30 is placed in occupy-place type chamber 40.The first mold 10 and the second mold 20 are closed, bone cement and support portion 30 are enclosed in
One mold 10 and the second mold 20, to form hip joint spacer.
Optionally, the first mold 10 is connected by hinge with the second mold 20.
Optionally, the first mold 10 is connected by a hinge with the second mold 20.
In order to guarantee being stably connected with for the first mold 10 and the second mold 20, the first company is provided on the first mold 10
Socket part 11 is provided with second connecting portion 21 on second mold 20, and first connecting portion 11 is connected with second connecting portion 21.
In the present embodiment, it by being provided with first connecting portion 11 on the first mold 10, is provided on the second mold 20
The second connecting portion 21 cooperated with first connecting portion 11.When the first mold 10 and the second mold 20 mold, first connecting portion 11
It is connected with second connecting portion 21.
For the specific structure of first connecting portion 11 and second connecting portion 21, as shown in Figure 1, first connecting portion 11 is positioning
Hole, second connecting portion 21 are positioning pin, and positioning pin is threaded through positioning hole；Or, first connecting portion 11 is positioning pin, the second connection
Portion 21 is location hole, and positioning pin is threaded through positioning hole.
In the present embodiment, by setting location hole for first connecting portion 11, second connecting portion 21 is set as positioning pin,
When the first mold 10 and the second mold 20 mold, positioning pin is threaded through positioning hole.
Optionally, first connecting portion 11 is positioning pin, and second connecting portion 21 is location hole, in the first mold 10 and the second mould
When 20 molding of tool, positioning pin is threaded through positioning hole.
It is first recessed to be provided at least one on the first mold 10 for the die sinking of first mold 10 and the second mold 20 for convenience
Slot 12, the opening of the first groove 12 is towards the outer edge of the first mold 10, and the first groove 12 is for opening the first mold 10.
In the present embodiment, by being provided at least one first groove 12 on the first mold 10, wherein the first groove
The outer edge of 12 opening towards the first mold 10 will by the first groove 12 after bone cement and support portion 30 realize solidification
First mold 10 and the second mold 20 realize separation.
Correspondingly, at least one second groove 22, the second groove 22 and 12 phase of the first groove are provided on the second mold 20
To setting.
In the present embodiment, it is provided at least one first groove 12 on the first mold 10, is provided on the second mold 20
At least one second groove 22, wherein the second groove 22 is oppositely arranged with the first groove 12.It is recessed by the second groove 22 and first
Slot 12 facilitates the die sinking of the first mold 10 and the second mold 20.
Preferably, occupy-place type chamber 40 is for forming type femoral bone end prosthesis.
Molding and the die closing of first mold 10 and the second mold 20 for convenience, the first mold 10 and the second mold 20 are removable
It is connected with unloading.
In order to guarantee the stable position of the first mold 10 and the second mold 20, first connecting portion 11 be it is multiple, multiple first
The setting of the interval of interconnecting piece 11, second connecting portion 21 be it is multiple, each first connecting portion 11 and corresponding second connecting portion 21 are connected
It connects.
In the present embodiment, by setting multiple for first connecting portion 11, the setting of multiple intervals of first connecting portion 11, the
Two interconnecting pieces 21 are set as multiple, and each first connecting portion 11 is connected with corresponding second connecting portion 21.
Optionally, linkage section 32 and fixed section 31 are integrally formed.
Preferably, support portion 30 is made of stainless steel.
In the present embodiment, optionally, the first mold 10 is made with the second mold 20 of POM or stainless steel.
In the present embodiment, when making type femoral bone end prosthesis, first by the first of antibiotic bone cement injection appropriate size
In mold 10 and the second mold 20, put support portion 30 side can less (the first mold 10 be any one with the second mold 20
Side), then support portion 30 is put into the few side of bone cement, buckling die.Each first connecting portion 11 and corresponding second connecting portion 21
It is connected, is taken out to bone cement curing and demolding and form type femoral bone end prosthesis.Manufacturing process need to ensure gnotobasis, to avoid
Superinfection takes out when repair for 2nd time after implantation.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
The hip joint spacer mold of the utility model can by the first mold 10, the second mold 20 and support portion 30
Obtain the hip joint spacer of degree of precision.Wherein, it is formed between the first mold 10 and the second mold 20 for forming hip joint
The occupy-place type chamber 40 of occupying device, support portion 30 are at least partially disposed in occupy-place type chamber 40, are located at occupy-place type chamber 40
At least partly being formed with the cavity wall of occupy-place type chamber 40 for interior support portion 30 accommodates gap 50, for making hip joint spacer
Cement fixation accommodate gap 50 in.In specific manufacturing process, support portion 30 is placed in occupy-place type chamber 40, bone water
Mud drum is rolled on support portion 30, after bone cement coagulation forming, is opened the first mold 10 and the second mold 20, is taken out after molding
Hip joint spacer.
The hip joint spacer mold of the utility model passes through the setting of support portion 30, and bone cement can be made to be wrapped in support
In portion 30, support portion 30 and bone cement form hip joint spacer.In view of support portion 30 is external part, by its with bone cement at
Type can not only guarantee the intensity of occupying device entirety, and support portion 30 can pass through machinery for connecting the part of other component
Processing guarantees that it makes precision, so that solving hip joint spacer mold in the prior art can not protect when making occupying device
The problem of demonstrate,proving degree of precision.
The hip joint spacer mold of the utility model compared with the hip joint spacer mold of the prior art, deposit by occupying device
In different size, to meet various people's needs.Middle core (support portion) point is using machining, and precision is compared with mold molding mode
It significantly improves, middle core can be assembled with different model bulb prosthese, and patient can realize preferable mobility after surgery.Such as patient
There is only the infection of femur stem portion, it may not be necessary to replace the other components such as bulb, greatly reduce the financial burden of patient.
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 (12)
1. a kind of hip joint spacer mold characterized by comprising
First mold (10)；
Second mold (20) is formed between first mold (10) and second mold (20) for forming hip joint occupy-place
The occupy-place type chamber (40) of device；
Support portion (30), being at least partially disposed in the occupy-place type chamber (40) for the support portion (30), accounts for positioned at described
Between at least partly being formed the cavity wall of the occupy-place type chamber (40) of the support portion (30) in position type chamber (40) accommodates
Gap (50), the Cement fixation for making the hip joint spacer is interior in the receiving gap (50), to form the hip
Joint occupying device.
2. hip joint spacer mold according to claim 1, which is characterized in that the support portion (30) includes:
Fixed section (31), in the occupy-place type chamber (40), the bone cement is wrapped in described for fixed section (31) setting
On fixed section (31).
3. hip joint spacer mold according to claim 2, which is characterized in that the fixed section (31) includes:
The cavity wall of first supporting section (311), first supporting section (311) and the occupy-place type chamber (40) forms the receiving
Gap (50)；
Second supporting section (312), second supporting section (312) are connected with the first end of first supporting section (311)；
Third supporting section (313), the third supporting section (313) are connected with the second end of first supporting section (311).
4. hip joint spacer mold according to claim 2, which is characterized in that the support portion (30) further include:
Linkage section (32), the linkage section (32) are connected with the fixed section (31), and the linkage section (32) is located at described account for
Position type chamber (40) is outside.
5. hip joint spacer mold according to claim 4, which is characterized in that the linkage section (32) is cone,
The cone is for connecting femoral head prosthesis.
6. hip joint spacer mold according to claim 4, which is characterized in that the linkage section (32) and the fixation
Section (31) is detachably connectable.
7. hip joint spacer mold according to claim 1, which is characterized in that first mold (10) and described the
Two molds (20) are pivotly connected.
8. hip joint spacer mold according to claim 1, which is characterized in that be provided on first mold (10)
First connecting portion (11) is provided with second connecting portion (21) on second mold (20), the first connecting portion (11) and institute
Second connecting portion (21) is stated to be connected.
9. hip joint spacer mold according to claim 8, which is characterized in that the first connecting portion (11) is positioning
Hole, the second connecting portion (21) are positioning pin, and the positioning pin is threaded through the positioning hole；Or, the first connecting portion
It (11) is positioning pin, the second connecting portion (21) is location hole, and the positioning pin is threaded through the positioning hole.
10. hip joint spacer mold according to claim 1, which is characterized in that be arranged on first mold (10)
There are at least one first groove (12), outer edge of the opening of first groove (12) towards first mold (10), institute
The first groove (12) are stated for opening first mold (10).
11. hip joint spacer mold according to claim 10, which is characterized in that be arranged on second mold (20)
There is at least one second groove (22), second groove (22) is oppositely arranged with first groove (12).
12. hip joint spacer mold according to claim 1, which is characterized in that the occupy-place type chamber (40) is used for
Form type femoral bone end prosthesis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721491755.1U CN209405023U (en) | 2017-11-09 | 2017-11-09 | Hip joint spacer mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721491755.1U CN209405023U (en) | 2017-11-09 | 2017-11-09 | Hip joint spacer mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209405023U true CN209405023U (en) | 2019-09-20 |
Family
ID=67928988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721491755.1U Active CN209405023U (en) | 2017-11-09 | 2017-11-09 | Hip joint spacer mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209405023U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111249041A (en) * | 2020-02-13 | 2020-06-09 | 中南大学湘雅医院 | Manufacturing method of hip joint spacer |
| KR102377019B1 (en) * | 2021-11-26 | 2022-03-23 | 알앤엑스(주) | Mold for applying cement to a stem for artificial hip joint, stem for artificial hip joint usable in the mold, and method for applying cement to the stem using the mold |
-
2017
- 2017-11-09 CN CN201721491755.1U patent/CN209405023U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111249041A (en) * | 2020-02-13 | 2020-06-09 | 中南大学湘雅医院 | Manufacturing method of hip joint spacer |
| KR102377019B1 (en) * | 2021-11-26 | 2022-03-23 | 알앤엑스(주) | Mold for applying cement to a stem for artificial hip joint, stem for artificial hip joint usable in the mold, and method for applying cement to the stem using the mold |
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