CN209405030U - Hip joint spacer mold - Google Patents
Hip joint spacer mold Download PDFInfo
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- CN209405030U CN209405030U CN201721491652.5U CN201721491652U CN209405030U CN 209405030 U CN209405030 U CN 209405030U CN 201721491652 U CN201721491652 U CN 201721491652U CN 209405030 U CN209405030 U CN 209405030U
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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；Wherein, at least one through-hole is provided on the first mold, through-hole is connected with occupy-place type chamber.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；Wherein, at least one through-hole is provided on the first mold, through-hole is connected with occupy-place type chamber.
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: straight bar section；Section is limited, limit section is arranged around the outer peripheral surface of straight bar section, wherein
Limiting section is at least one, and multiple limit sections are arranged along the length direction interval of straight bar section.
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, one end of linkage section has bellmouth, and bellmouth is for connecting type femoral bone end prosthesis.
Further, linkage section and fixed section are integrally formed.
Further, hip joint spacer mold further include: connection component, connection component are arranged in the first mold and second
Between mold, to connect the first mold and the second mold.
Further, connection component includes: hook, and hook is arranged on the second mold；Link, link are arranged in the first mould
On tool, link position-adjustable it is arranged, so that link has the first position with hook connection, or second be detached from link
Position.
Further, connection component further include: handler, handler are arranged on the first mold, and link setting is rotating
On handle；Wherein, handler can be rotatably set, so that link has first position and the second position.
Further, connection component is arranged in pairs, and two be arranged in pairs connection component is oppositely arranged.
Further, mounting groove is provided on the second mold, mounting groove is connected with occupy-place type chamber, hip joint spacer
Mold further include: lock sheet is arranged in mounting groove to lock sheet position-adjustable, contacts so that lock sheet has with support portion
The third place, or with support portion be detached from the 4th position.
Further, occupy-place type chamber is for forming femoral head 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；
Fig. 2 shows the second mold of hip joint spacer mold according to the present utility model and the mounting structures of support portion
Schematic diagram；
Fig. 3 shows the structural schematic diagram of the second mold of hip joint spacer mold according to the present utility model；
Fig. 4 shows the structural schematic diagram of the first mold of hip joint spacer mold according to the present utility model；And
Fig. 5 shows the structural schematic diagram of the support portion 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；13, through-hole；20, the second mold；21, the second connection
Portion；22, the second groove；23, mounting groove；30, support portion；31, fixed section；311, straight bar section；312, section is limited；32, linkage section；
40, occupy-place type chamber；50, gap is accommodated；60, connection component；61, it links up with；62, link；63, handler；70, lock sheet.
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, as shown in Figure 1 to Figure 3, hip joint spacer mold
It include: the first mold 10；Second mold 20 is formed between first mold 10 and the second mold 20 for forming hip joint spacer
Occupy-place type chamber 40；Support portion 30, support portion 30 are at least partially disposed in occupy-place type chamber 40, are located at occupy-place type chamber
At least partly being formed with the cavity wall of occupy-place type chamber 40 for support portion 30 in 40 accommodates gap 50, for making hip joint occupy-place
The Cement fixation of device is accommodating in gap 50, to form hip joint spacer；Wherein, at least one is provided on the first mold 10
A through-hole 13, through-hole 13 are connected with occupy-place type chamber 40.
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.
In the present embodiment, by being provided at least one through-hole 13, through-hole 13 and occupy-place type on the first mold 10
Chamber 40 is connected, and can be excluded the extra bone cement of filling by through-hole 13, is also conducive to reinforce the consistency of spacer.
For the specific structure of support portion 30, as shown in Figure 2 and Figure 5, support portion 30 includes: fixed section 31, fixed section 31
It is arranged 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.
This specific structure to fixed section 31, as shown in figure 5, fixed section 31 includes: straight bar section 311；Limit section 312, limit
Position section 312 is arranged around the outer peripheral surface of straight bar section 311, wherein limit section 312 is at least one, and multiple limit sections 312 are along straight-bar
The length direction interval setting of section 311.
In the present embodiment, fixed section 31 is made of straight bar section 311 and limit section 312, wherein limit section 312 is around straight
The outer peripheral surface of rod segment 311 is arranged, limit section 312 be it is multiple, multiple limit sections 312 are set along the length direction interval of straight bar section 311
It sets.Limit gap is formed between two neighboring limit section, Cement fixation enhances bone water in limit gap to a certain extent
Mud is merged with fixed section 31.
It is connected in order to facilitate hip joint spacer with other components, as shown in Fig. 2, 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 type femoral bone end prosthesis, one end of linkage section 32 has bellmouth, and bellmouth is used
In connection type femoral bone end prosthesis.
In the present embodiment, occupy-place type chamber 40 is needed for forming femoral head prosthesis, type femoral bone end prosthesis and femoral head prosthesis
It is used cooperatively.Wherein, the connection structure of type femoral bone end prosthesis and linkage section 32 is conical section, correspondingly, in the present embodiment, even
The one end for connecing section 32 has bellmouth, and conical section is used to connect the bellmouth of femoral head prosthesis.
Optionally, linkage section 32 and fixed section 31 are integrally formed.
In order to realize the connection of the first mold 10 and the second mold 20, as shown in Figure 1, hip joint spacer mold is also wrapped
Include: connection component 60, connection component 60 are arranged between the first mold 10 and the second mold 20, to connect the first mold 10 and the
Two molds 20.
In the present embodiment, by being provided with connection component 60 in hip joint spacer mold, wherein connection component 60
It is arranged between the first mold 10 and the second mold 20.The first mold 10 and the second mold 20 are realized by connection component 60
Connection.
For the specific structure of connection component 60, as shown in Figure 1, connection component 60 includes: hook 61,61 setting of hook exists
On second mold 20；Link 62, link 62 are arranged on the first mold 10, are arranged to 62 position-adjustable of link, so that link
62 have the first position connecting with hook 61, or the second position being detached from link 62.
In the present embodiment, connection component 60 includes hook 61 and link 62, wherein hook 61 is arranged in the second mold 20
On, link 62 is arranged on the first mold 10.By the way that 62 position-adjustable of link to be arranged, so as to so that link 62 and extension
Hook 61 connects or separates.
In order to be arranged with realizing 62 position-adjustable of link, connection component 60 further include: handler 63, handler 63
It is arranged on the first mold 10, link 62 is arranged on handler 63；Wherein, handler 63 can be rotatably set, so that link
62 have first position and the second position.
In the present embodiment, by being provided with handler 63 on connection component 60, wherein handler 63 is arranged first
On mold 10, link 62 is arranged on handler 63, and handler 63 can be rotatably set.In the specific use process, by turning
Dynamic handler 63 drives the positional relationship of link 62 adjustment and hook 61, so that link 62 be made to have first position and second
It sets.
In order to guarantee being stably connected with for the first mold 10 and the second mold 20, connection component 60 is arranged in pairs, and is arranged in pairs
Two connection components 60 be oppositely arranged.
Preferably, as shown in Fig. 2, being provided with mounting groove 23 on the second mold 20, mounting groove 23 and 40 phase of occupy-place type chamber
Connection, hip joint spacer mold further include: lock sheet 70 is arranged in mounting groove 23 to 70 position-adjustable of lock sheet, with
Make lock sheet 70 that there is the third place contacted with support portion 30, or the 4th position being detached from support portion 30.
In the present embodiment, support portion 30 passes through the second mold 20, in order to guarantee that support portion 30 is securely provided in
In occupy-place type chamber 40, mounting groove 23 is provided on the second mold 20, mounting groove 23 is connected with occupy-place type chamber 40, hip joint
It is provided with lock sheet 70 in spacer mold, is arranged in mounting groove 23 to 70 position-adjustable of lock sheet.So as to so that lock
Tight piece 70 is contacted or is detached from support portion 30, to realize the locking to support portion 30 or loosen.
Preferably, occupy-place type chamber 40 is for forming femoral head prosthesis.
Preferably, the first mold 10 and the second mold 20 are detachably connectable.
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.
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.
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, as shown in figure 4, being provided at least one second groove 22 on the second mold 20, the second groove 22 and
One groove 12 is oppositely arranged.
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.
Optionally, linkage section 32 and fixed section 31 are detachably connected.
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.
When making femoral head prosthesis, first support portion 30 is put into the second mold 20 of appropriate size, then antibiotic will be contained
Bone cement inject in the first mold 10 and the second mold 20, buckling die.First connecting portion 11 is connected with second connecting portion 21, lock
Upper connection component 60 takes out to bone cement curing and demolding and forms femoral head prosthesis.Manufacturing process need to ensure gnotobasis, with
Exempt from that superinfection occurs, is taken 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.
Compared with prior art, there are different sizes for occupying device, to meet for the hip joint spacer mold of the utility model
Various people need.Support portion 30 is significantly improved using machining, precision compared with mold molding mode, and the inner hole of support portion 30 can
It is assembled with different model type femoral bone end prosthesis, patient can realize certain mobility after surgery.As there is only acetabular bone portions by patient
Divide infection, it may not be necessary to replace the other components such as femoral stem, 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；
Wherein, at least one through-hole (13), the through-hole (13) and the occupy-place type are provided on first mold (10)
Chamber (40) is connected.
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:
Straight bar section (311)；
It limits section (312), outer peripheral surface of limit section (312) around the straight bar section (311) is arranged, wherein the limit
Section (312) is at least one, and multiple limits section (312) are arranged along the length direction interval of the straight bar 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 one end of the linkage section (32) has
Bellmouth, the bellmouth is for connecting type femoral bone end 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 integrally formed.
7. hip joint spacer mold according to claim 1, which is characterized in that the hip joint spacer mold is also wrapped
It includes:
Connection component (60), the connection component (60) setting first mold (10) and second mold (20) it
Between, to connect first mold (10) and second mold (20).
8. hip joint spacer mold according to claim 7, which is characterized in that the connection component (60) includes:
It links up with (61), the hook (61) is arranged on second mold (20)；
Link (62), the link (62) are arranged on first mold (10), set to link (62) position-adjustable
It sets, so that the link (62) has and the first position that connect of hook (61), or the with the link (62) disengaging
Two positions.
9. hip joint spacer mold according to claim 8, which is characterized in that the connection component (60) further include:
Handler (63), the handler (63) are arranged on first mold (10), and the link (62) is arranged described
On handler (63)；Wherein, the handler (63) can be rotatably set, so that the link (62) has the first position
With the second position.
10. hip joint spacer mold according to claim 7, which is characterized in that the connection component (60) sets in pairs
It sets,
Two be arranged in pairs the connection component (60) is oppositely arranged.
11. hip joint spacer mold according to claim 1, which is characterized in that be arranged on second mold (20)
Have mounting groove (23), the mounting groove (23) is connected with the occupy-place type chamber (40), and the hip joint spacer mold is also
Include:
Lock sheet (70) is arranged in lock sheet (70) position-adjustable in the mounting groove (23), so that the locking
Piece (70) has the third place contacted with the support portion (30), or the 4th position being detached from the support portion (30).
12. hip joint spacer mold according to claim 1, which is characterized in that the occupy-place type chamber (40) is used for
Form femoral head prosthesis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721491652.5U CN209405030U (en) | 2017-11-09 | 2017-11-09 | Hip joint spacer mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721491652.5U CN209405030U (en) | 2017-11-09 | 2017-11-09 | Hip joint spacer mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209405030U true CN209405030U (en) | 2019-09-20 |
Family
ID=67928976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721491652.5U Active CN209405030U (en) | 2017-11-09 | 2017-11-09 | Hip joint spacer mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209405030U (en) |
-
2017
- 2017-11-09 CN CN201721491652.5U patent/CN209405030U/en active Active
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