CN104905857B - Disposable type bone cement forming die - Google Patents
Disposable type bone cement forming die Download PDFInfo
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- CN104905857B CN104905857B CN201410088197.9A CN201410088197A CN104905857B CN 104905857 B CN104905857 B CN 104905857B CN 201410088197 A CN201410088197 A CN 201410088197A CN 104905857 B CN104905857 B CN 104905857B
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- bone cement
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- die cavity
- die holder
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Abstract
The present invention relates to a disposable type bone cement forming die including a die holder, a die core is arranged in the die holder, and a die cavity is distributed between the die holder and the die core. The die is characterized in that a locking column is distributed on the die holder, a gland is distributed above the die holder, and a gland nut is mounted on the gland. An injection channel communicated with the die cavity is arranged in the die holder. The die cavity includes lobe-shaped flow divided pipes, lobe-shaped structures are connected to the lobe-shaped flow divided pipes, and a positioning column is arranged between the lobe-shaped flow divided pipe and the lobe-shaped structure. Therefore, the bone cement forming die can be used for processing solid bone cement bars with certain outlines, but the bone cement forming die is used only one time because the injection channel and the flow divided pipes of the die core are blocked by solidified bone cement unable to be eliminated, and a cavity is destroyed by the deformation of combined covers of the cavity and filling of damaged blocks when separated solid bone cement bars with a lobe-shaped structure are took out. The disposable type bone cement forming die can avoid disease transmission might be caused by reuse, and the disposable type bone cement forming die has a simple structure and is easy to manufacture.
Description
Technical field
The present invention relates to a kind of type self-destroyed mould, more particularly, to a kind of disposable formula bone cement mould.
Background technology
Vertebroplasty is mainly used in treating osteoporosis Vertebral Compression shape fracture, vertebral body is primary or metastatic tumo(u)r etc.
Illness, is a kind of new minimally invasive spine surgical, mainly adopts liquid bone cement to inject, including percutaneous vertbroplasty at present
（Percutaneous vertebroplasty, PVP）And Kyphoplasty（Percutaneous kyphoplasty,
PKP）Two kinds.PVP is the vertebra internal injection low viscosity bone cement under conditions of high pressure to no space；PKP is to be expanded by bone
Prop produces cavity in vertebral body intramedullary expansion, and to injecting high viscosity bone cement in vertebral body cavity under low-pressure, seepage is relatively limited to, its peace
Full property greatly improves compared with PVP.But no matter low viscosity bone cement or high viscosity bone cement, when pathological changes vertebral body has damaged,
Liquid condition is betted and just cannot avoid it that risk of seepage occurs into bone cement.These risks include（1）Bone cement is to after vertebral body
Side leaks into canalis spinalis and nerve root canal is likely to result in spinal nervess compression and causes to paralyse；（2）Fatal pulmonary embolism may
Bone cement injection causes caused by vertebral body, pressure change leads to fat embolism, and continuously the PVP of multiple vertebral bodys increases this wind
Danger；Additionally, the toxicity of bone cement monomer is likely to there is certain harm to human body.
In view of this it would be highly desirable to be directed to above-mentioned technical problem, look for another way a kind of disposable bone cement shaping mould of design, makes liquid
State bone cement is frozen into the solid-state bone cement bar with certain profile, is then put many pieces of solid-state bone cement bars by special equipment
Enter in vertebral body, more a small amount of liquid bone cement is circulated between these solid bone cement bar gaps with extremely low pressure so as to mutually
Solidification, is so not only avoided that bone cement risk of leakage moreover it is possible to reduce or prevent the harm that monomer toxicity is likely to result in, thus protecting
Card operation safety, improves therapeutic effect.
Content of the invention
The purpose of the present invention is exactly to solve the above-mentioned problems in the prior art, provides a kind of disposable formula bone water
Mud mould.
The purpose of the present invention is achieved through the following technical solutions：
A kind of disposable formula bone cement mould, includes die holder, is provided with core rod in described die holder, described mould
Die cavity is distributed with, wherein between seat and core rod：Locking post is distributed with described die holder, above described die holder, pressure is distributed with
Lid, described gland is provided with clamp nut, is provided with the injection channel with die cavity conducting, described mould in described die holder
Cave includes flap formula isocon, and described flap formula isocon is connected with valvular structure and die cavity group lid, described flap
It is distributed between formula isocon and valvular structure and is provided with locating dowel, described valvular structure upper end is distributed with positioning plane, described
Side color on valvular structure is provided with button hole and principal deformation groove, and tight locking button and secondary deformation are distributed with described die cavity group lid
Groove, described valvular structure and die cavity group cover encloses composition cavity structure, and described die core front end is provided with boss, and described is convex
Inlet be distributed with, described inlet conducting has a die cavity, the rear of described die cavity is provided with outlet, described cavity wall in platform
Inside it is provided with damage block, in described die cavity, is provided with the groove matching with boss, described damage block one end is subject to flap formula
After isocon deformation extruding, the other end enters die cavity.
Further, above-mentioned a kind of disposable formula bone cement mould, wherein：Described inlet passes through isocon
It is connected with die cavity.
Further, above-mentioned a kind of disposable formula bone cement mould, wherein：It is provided with inside described gland
By hole.
Further, above-mentioned a kind of disposable formula bone cement mould, wherein：It is distributed with above described gland
Observation port.
Further, above-mentioned a kind of disposable formula bone cement mould, wherein：Arrange limited on described gland
Position groove.
Yet further, above-mentioned a kind of disposable formula bone cement mould, wherein：Described clamp nut inwall divides
It is furnished with female thread, described locking column outer wall is distributed with corresponding external screw thread.
The advantage of technical solution of the present invention is mainly reflected in：The bone that the isocon of the injection channel of die holder and core rod is solidified
Cement blocks and cannot remove, furthermore, the die cavity of core rod is also due to the deformation of die cavity group lid and damage block are filled and caused to destroy, therefore is somebody's turn to do
Bone cement shaping mould is only capable of single use, also can avoid reusing the pathophoresiss that may lead to.
Brief description
The purpose of the present invention, advantage and feature, by by the non-limitative illustration of preferred embodiment below carry out diagram and
Explain.
Fig. 1 is the profile construction schematic diagram of disposable formula bone cement mould.
Fig. 2 is the vertical view organigram of disposable formula bone cement mould.
Fig. 3 is the vertical view organigram of die cavity group lid.
| 1 | Die holder | 2 | Core rod |
| 3 | Die cavity | 4 | Locking post |
| 5 | Injection channel | 6 | Gland |
| 7 | Clamp nut | 8 | Flap formula isocon |
| 9 | Valvular structure | 10 | Boss |
| 11 | Inlet | 12 | Isocon |
| 13 | Die cavity | 14 | Outlet |
| 15 | Groove | 16 | By hole |
| 17 | Observation port | 18 | Stopper slot |
| 19 | Female thread | 20 | External screw thread |
| 21 | Sorting hole | 22 | Locating dowel |
| 23 | Positioning plane | 24 | Button hole |
| 25 | Separation bar | 26 | Die cavity group lid |
| 27 | Secondary deformation groove | 28 | Damage block |
| 29 | One end of damage block | 30 | The other end of damage block |
| 31 | Tight locking button | 32 | Principal deformation groove |
Specific embodiment
Shown a kind of disposable formula bone cement mould, includes die holder 1, sets in this die holder 1 as shown in Figures 1 to 3
It is equipped with core rod 2.Meanwhile, in order to carry out shape casting, die cavity 3 between die holder 1 and core rod 2, is distributed with, its unusual being in
In：Locking post 4 is distributed with die holder 1 of the present invention, gland 6 above die holder 1, is distributed with.Specifically, gland is pacified
Equipped with clamp nut 7, in die holder 1, it is provided with the injection channel 5 with die cavity 3 conducting.And, in order to realize effectively disposably becoming
Type manufactures, and the die cavity 3 of employing includes flap formula isocon 8, is connected with valvular structure 9 on flap formula isocon 8.And,
It is provided with locating dowel 22 between flap formula isocon 8 and valvular structure 9.
With regard to from the point of view of the present invention one preferably embodiment it is contemplated that follow-up mould uses and casts needs, on valvular structure 9
End is distributed with positioning plane 23, and the side color on valvular structure 9 is provided with button hole 24 and principal deformation groove 32, divides in die cavity group lid 26
It is furnished with tight locking button and secondary deformation groove, valvular structure 9 and die cavity group lid 26 surround composition cavity structure, in order to realize each core rod 2
Effective combination and die holder 1 between, is provided with boss 10 in core rod 2 front end.Meanwhile, same for the ease of carrying out to each core rod 2
Step material injection, is distributed with inlet 11 in the boss 10 of employing, inlet 11 conducting has die cavity 13.And, consider clout
Ooze out, the rear of die cavity 13 is provided with outlet 14, is provided with damage block in cavity wall.Meanwhile, lay to ensure core rod 2
Put in place, be provided with the groove 15 matching with boss 10 in die cavity 3.
It is contemplated that the smooth flow of bone cement from the point of view of further, can effectively fill each core rod 2, the inlet of employing
11 are connected with die cavity 13 by isocon 12.Meanwhile, in order to the assembling of gland 6 is smooth, can effectively be combined with die holder 1, gland 6
Inner side is provided with hole 16.And, in view of observing the injection effect of bone cement in the course of processing, it is distributed above gland 6
There is observation port 17.Furthermore, in order to core rod 2 is carried out with auxiliary positioning, the work of cooperation die holder 1, gland 6 is arranged limited
Position groove 18.So, stopper slot 18 can accommodate the tail end of core rod 2.
It is contemplated that effective combination of clamp nut 7 from the point of view of further, give gland 6 and apply optimal dynamics, compress spiral shell
Female 7 inwalls are distributed with female thread 19, and locking post 4 outer wall is distributed with corresponding external screw thread 20.So, along with screwing gland 6, can
Core rod 2 can be compressed by gland 6, keep the boss 10 of core rod 2 front end to be fitted close with the groove 15 in die cavity 3.
From the point of view of the actually used situation of the present invention, injection vessel can be held by injection channel 5 and inject liquid bone cement.
During this period, the full situation in core rod 2 by observation port 17 observable liquid bone cement.Afterwards, liquid bone cement is in institute
Can be used for after being full of in the core rod die cavity 13 stated processing the solid-state bone cement bar with certain profile.During use, by separation bar 25
Insertion sorting hole 21, reinforcing makes valvular structure 9 separate to take out solid-state bone cement bar, meanwhile, the secondary deformation groove of die cavity group lid 26
27 deform upon and lead to die cavity 13 to deform, and one end 29 of damage block is extruded by valvular structure deformation, damage block the other end 30 and
Enter die cavity 13 to be partially filled with.
As can be seen here, when liquid bone cement implant operation complete solidification after, by the injection channel 5 in institute's die holder 1 and point
The bone cement blocking that flow tube 12 is solidified cannot be removed, stated differently, since the bone cement in die holder 1 injection channel 5 is not breaking
Cannot be fully erased in the case of this die holder 1 structure bad.Furthermore, the die cavity 13 of core rod is also due to die cavity group lid 26 deforms and damages
Ruin block 28 to fill and cause to destroy, thus fundamentally avoiding the reusable probability of this mould.
After above-mentioned character express can be seen that using the present invention, can be used for processing the solid-state with certain profile
Many this solid-state bone cement bars are inserted vertebral body by special equipment and are used by bone cement bar.So both can effectively fill
Vertebral body recovers height, is avoided that the risk of bone cement seepage, thus improving the safety of operation again.What is more important, due to
The blocking of bone cement that the isocon of the injection channel of die holder and core rod is solidified cannot be removed, furthermore, the die cavity of core rod also can be by
Cause to destroy in the deformation of die cavity group lid and damage block filling, therefore this bone cement shaping mould is only capable of single use, also can avoid weight
The pathophoresiss that multiple use may lead to.Simple structure of the present invention, can be used for vertebroplasty it is also possible to need to be by liquid for other
State mass sets become the medical treatment device manufacture of definite shape solid matter.
These embodiments are only the prominent examples of application technical solution of the present invention, all take equivalent or equivalent transformation
And the technical scheme being formed, all fall within the scope of protection of present invention.
Claims (6)
1. a kind of disposable formula bone cement mould, includes die holder, is provided with core rod in described die holder, described die holder
Die cavity is distributed with and core rod between it is characterised in that：Locking post is distributed with described die holder, is distributed with above described die holder
Gland, described gland is provided with clamp nut, is provided with the injection channel with die cavity conducting in described die holder, described
Die cavity includes flap formula isocon, and described flap formula isocon is connected with valvular structure and die cavity group lid, described lobe
Between shape formula isocon and valvular structure, distribution is provided with locating dowel, and described valvular structure upper end is distributed with positioning plane, described
Side color on valvular structure is provided with button hole and principal deformation groove, and tight locking button and secondary deformation are distributed with described die cavity group lid
Groove, described valvular structure and die cavity group cover encloses composition cavity structure, and described die core front end is provided with boss, and described is convex
Inlet be distributed with, described inlet conducting has a die cavity, the rear of described die cavity is provided with outlet, described cavity wall in platform
Inside it is provided with damage block, in described die cavity, is provided with the groove matching with boss, described damage block one end is subject to flap formula
After isocon deformation extruding, the other end enters die cavity.
2. a kind of disposable formula bone cement mould according to claim 1 it is characterised in that：Described inlet
Die cavity is connected with by isocon.
3. a kind of disposable formula bone cement mould according to claim 1 it is characterised in that：In described gland
Side is provided with hole.
4. a kind of disposable formula bone cement mould according to claim 1 it is characterised in that：On described gland
Side is distributed with observation port.
5. a kind of disposable formula bone cement mould according to claim 1 it is characterised in that：On described gland
It is provided with stopper slot.
6. a kind of disposable formula bone cement mould according to claim 1 it is characterised in that：Described compression spiral shell
Female inwall is distributed with female thread, and described locking column outer wall is distributed with corresponding external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410088197.9A CN104905857B (en) | 2014-03-11 | 2014-03-11 | Disposable type bone cement forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410088197.9A CN104905857B (en) | 2014-03-11 | 2014-03-11 | Disposable type bone cement forming die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104905857A CN104905857A (en) | 2015-09-16 |
| CN104905857B true CN104905857B (en) | 2017-02-22 |
Family
ID=54075601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410088197.9A Active CN104905857B (en) | 2014-03-11 | 2014-03-11 | Disposable type bone cement forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104905857B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110251223B (en) * | 2019-06-20 | 2024-01-30 | 苏州点合医疗科技有限公司 | Rotary table type leakage-free cone forming equipment |
| CN114557748B (en) * | 2022-02-28 | 2023-11-03 | 奥精医疗科技股份有限公司 | Auxiliary device for skull fixation and use method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1430083A (en) * | 1972-03-08 | 1976-03-31 | Nat Res Dev | Cement fixation in the human body |
| DE102005054479A1 (en) * | 2005-03-24 | 2006-09-28 | Fehling Ag | Method and device for producing spinal implants |
| EP2206594B1 (en) * | 2007-10-05 | 2017-01-11 | NGK Insulators, Ltd. | Shaping mold and method of shaping |
| CN201684000U (en) * | 2010-04-02 | 2010-12-29 | 王庆贤 | Die for manufacturing bone cement beads |
| CN201824458U (en) * | 2010-08-06 | 2011-05-11 | 中国广东核电集团有限公司 | Radioactive cement solidification body sample preparation mold |
| CN203885590U (en) * | 2014-03-11 | 2014-10-22 | 苏州点合医疗科技有限公司 | Disposable bone cement shaping mould |
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2014
- 2014-03-11 CN CN201410088197.9A patent/CN104905857B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104905857A (en) | 2015-09-16 |
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