CN203609489U - Disposable bone cement forming die - Google Patents
Disposable bone cement forming die Download PDFInfo
- Publication number
- CN203609489U CN203609489U CN201320784842.1U CN201320784842U CN203609489U CN 203609489 U CN203609489 U CN 203609489U CN 201320784842 U CN201320784842 U CN 201320784842U CN 203609489 U CN203609489 U CN 203609489U
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- bone cement
- die
- distributed
- disposable
- die cavity
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Abstract
The utility model relates to a disposable bone cement forming die which comprises a die base. A die core is arranged in the die base, and die holes are distributed between the die base and the die core. The disposable bone cement forming die is characterized in that locking columns are distributed on the die base, pressing covers are distributed above the die base, and pressing nuts are installed on the pressing covers. An injection channel communicated with the die holes is arranged in the die base. Besides, the die holes comprise petal-shaped bypass pipes, the petal-shaped bypass pipes are connected with petal-shaped structures, and positioning columns are arranged between the petal-shaped bypass pipes and the petal-shaped structures. The disposable bone cement forming die can be used for processing a solid bone cement strip with a certain shape, the injection channel of the die base and the bypass pipes of the die core are blocked by solidified bone cement and cannot be eliminated, so that the bone cement forming die is disposable, and disease transmission possibly caused by recycling can be avoided. The disposable bone cement forming die is simple in structure and easy to manufacture.
Description
Technical field
This utility model relates to a kind of mould, relates in particular to a kind of disposable bone cement mould.
Background technology
Vertebroplasty is mainly used in treating the illness such as osteoporosis Vertebral Compression shape fracture, former of vertebral body or metastatic tumo(u)r, it is a kind of new minimally invasive spine surgical, the liquid bone cement of main employing injects at present, comprise percutaneous vertebroplasty (percutaneous vertebroplasty, and two kinds of Kyphoplasties (percutaneous kyphoplasty, PKP) PVP).PVP injects low viscosity bone cement under the condition of high pressure in the vertebral body without space; PKP produces cavity by bone dilator at vertebral body intramedullary expansion, and under low-pressure, to injecting high viscosity bone cement in vertebral body cavity, seepage is limited to, and its safety improves greatly compared with PVP.But no matter low viscosity bone cement or high viscosity bone cement, when pathological changes vertebral body exists when damaged, bets and just cannot avoid the risk of its generation seepage into bone cement in liquid condition.These risks comprise that (1) bone cement enters canalis spinalis and nerve root canal may cause spinal nerves compression to cause paralysis to vertebral body rear seepage; (2) fatal pulmonary embolism may bone cement injection cause that the variation of vertebral body internal pressure causes due to fat embolism, and the PVP of continuous multiple vertebral bodys has strengthened this risk; In addition, the toxicity of bone cement monomer also may have certain harm to human body.
In view of this, urgently for above-mentioned technical problem, a kind of disposable bone cement shaping mould of design looks for another way, make liquid bone cement be frozen into having the solid-state bone cement bar of certain profile, then by special equipment, many pieces of solid-state bone cement bars are inserted in vertebral body, again a small amount of liquid bone cement is circulated between these solid bone cement bar gaps with utmost point low-pressure, it is solidified mutually, can not only avoid like this bone cement risk of leakage, can also reduce or prevent the harm that monomer toxicity may cause, thereby assurance operation safety, improves therapeutic effect.
Utility model content
The purpose of this utility model is exactly in order to solve the above-mentioned problems in the prior art, and a kind of disposable bone cement mould is provided.
The purpose of this utility model is achieved through the following technical solutions:
Disposable bone cement mould, include die holder, in described die holder, be provided with core rod, between described die holder and core rod, be distributed with die cavity, wherein: on described die holder, be distributed with locking post, described die holder top is distributed with gland, on described gland, clamp nut is installed, in described die holder, be provided with the injection channel with die cavity conducting, described die cavity includes flap formula isocon, on described flap formula isocon, be connected with valvular structure, between described flap formula isocon and valvular structure, be provided with locating dowel, between described locating dowel, be distributed with plane of orientation.
Further, above-mentioned disposable bone cement mould, wherein: described die core front end is provided with boss, in described boss, be distributed with inlet, described inlet conducting has die cavity, and the rear of described die cavity is provided with outlet, is provided with the groove matching with boss in described die cavity.
Further, above-mentioned disposable bone cement mould, wherein: described inlet is connected with die cavity by isocon.
Further, above-mentioned disposable bone cement mould, wherein: described gland inner side is provided with passes through hole.
Further, above-mentioned disposable bone cement mould, wherein: described gland top is distributed with observation port.
Further, above-mentioned disposable bone cement mould, wherein: on described gland, be provided with stopper slot.
Further, above-mentioned disposable bone cement mould, wherein: described clamp nut inwall is distributed with female thread, described locking column outer wall is distributed with corresponding external screw thread.
Again further, above-mentioned disposable bone cement mould, wherein: between described valvular structure, be provided with locating dowel and plane of orientation.
The advantage of technical solutions of the utility model is mainly reflected in: can be used for processing the solid-state bone cement bar with certain profile, by special equipment, many this solid-state bone cement bars are inserted to vertebral body and use.So both can effectively fill vertebral body and recover height, and can avoid again the risk of bone cement seepage, thereby improve the safety of operation.What is more important, the bone cement being solidified due to the injection channel of die holder and the isocon of core rod stops up and cannot remove, therefore this bone cement shaping mould only can disposablely use, also can avoid reusing the pathophoresis that may cause.Moreover this utility model simple structure, can be used for vertebroplasty, also can liquid need be frozen into for other to the medical treatment device manufacture of definite shape solid matter.
Accompanying drawing explanation
The purpose of this utility model, advantage and disadvantage, by for illustration and explanation the non-limitative illustration by preferred embodiment below.
Fig. 1 is the profile construction schematic diagram of this disposable bone cement mould.
Fig. 2 is the organigram of overlooking of this disposable bone cement mould.
The specific embodiment
Disposable bone cement mould as shown in Figure 1 and Figure 2, includes die holder 1, in this die holder 1, is provided with core rod 2.Meanwhile, in order to carry out shape casting, between die holder 1 and core rod 2, be distributed with die cavity 3, its unusual part is: on the die holder 1 that this utility model adopts, be distributed with locking post 4, die holder 1 top is distributed with gland 6.Specifically, clamp nut 7 is installed on gland, in die holder 1, is provided with the injection channel 5 with die cavity 3 conductings.And in order to realize effective disposal molding manufacture, the die cavity 3 of employing includes flap formula isocon 8, is connected with valvular structure 9 on flap formula isocon 8.And, between flap formula isocon 8 and valvular structure 9, be provided with locating dowel 22.Certainly consider that follow-up mould uses casting needs, is provided with locating dowel 22 between valvular structure.Between locating dowel, be distributed with plane of orientation 23.
With regard to preferably embodiment of this utility model one, in order to realize the effective combination between each core rod 2 and die holder 1, be provided with boss 10 at core rod 2 front ends.Meanwhile, for the ease of each core rod 2 is carried out to synchronous material injection, in the boss 10 of employing, be distributed with inlet 11, inlet 11 conductings have die cavity 13.And, consider oozing out of clout, the rear of die cavity 13 is provided with outlet 14.Corresponding with it, put in place in order to guarantee that core rod 2 is laid, in die cavity 3, be provided with the groove 15 matching with boss 10.
Further, consider flowing smoothly of bone cement, can effectively fill each core rod 2, the inlet 11 of employing is connected with die cavity 13 by isocon 12.Meanwhile, for the assembling of gland 6 smooth, can be effectively and die holder 1 combination, gland 6 inner sides are provided with by hole 16.And, consider the injection effect of observing bone cement in the course of processing, above gland 6, be distributed with observation port 17.Moreover, in order to carry out auxiliary positioning to core rod 2, coordinate the work of die holder 1, on gland 6, be provided with stopper slot 18.Like this, stopper slot 18 can hold the tail end of core rod 2.
Again further, consider effective combination of clamp nut 7, give gland 6 and apply best dynamics, clamp nut 7 inwalls are distributed with female thread 19, and locking post 4 outer walls are distributed with corresponding external screw thread 20.Like this, be accompanied by and screw gland 6, can core rod 2 can be compressed by gland 6, keep the boss 10 of core rod 2 front ends and the groove 15 in die cavity 3 to closely cooperate.
In conjunction with actual service condition of the present utility model, can hold injection vessel by injection channel 5 and inject liquid bone cement.During this period, the full situation in core rod 2 by the liquid bone cement of observation port 17 observables.Afterwards, liquid bone cement can be used for processing the solid-state bone cement bar with certain profile after being full of in described core rod die cavity 13., for convenience of using, by separating opening 21, flap formula isocon 8 is separated with valvular structure 9 meanwhile, solid-state bone cement bar can be deviate from from die cavity 13, be convenient to take.And, after liquid bone cement implant operation completes and solidifies, the bone cement being solidified due to the injection channel 5 in institute's die holder 1 and isocon 12 stops up and cannot remove, therefore this bone cement shaping mould only can disposablely use, thereby avoid reusing the pathophoresis that may cause, guarantee safety.In other words,, because the bone cement in die holder 1 injection channel 5 cannot be removed completely in the situation that not destroying this die holder 1 structure, fundamentally avoided reusable possibility.
Can find out by above-mentioned character express, adopt after this utility model, can be used for processing the solid-state bone cement bar with certain profile, by special equipment, many this solid-state bone cement bars be inserted to vertebral body and use.So both can effectively fill vertebral body and recover height, and can avoid again the risk of bone cement seepage, thereby improve the safety of operation.What is more important, the bone cement being solidified due to the injection channel of die holder and the isocon of core rod stops up and cannot remove, therefore this bone cement shaping mould only can disposablely use, also can avoid reusing the pathophoresis that may cause.Moreover this utility model simple structure, can be used for vertebroplasty, also can liquid need be frozen into for other to the medical treatment device manufacture of definite shape solid matter.
These embodiment are only the prominent examples of application technical solutions of the utility model, and all technical schemes of taking to be equal to replacement or equivalent transformation and form, within all dropping on the claimed scope of this utility model.
Claims (8)
1. a disposable bone cement mould, include die holder, in described die holder, be provided with core rod, between described die holder and core rod, be distributed with die cavity, it is characterized in that: on described die holder, be distributed with locking post, described die holder top is distributed with gland, on described gland, clamp nut is installed, in described die holder, be provided with the injection channel with die cavity conducting, described die cavity includes flap formula isocon, on described flap formula isocon, be connected with valvular structure, between described flap formula isocon and valvular structure, be provided with locating dowel, between described locating dowel, be distributed with plane of orientation.
2. the disposable bone cement mould of one according to claim 1, it is characterized in that: described die core front end is provided with boss, in described boss, be distributed with inlet, described inlet conducting has die cavity, the rear of described die cavity is provided with outlet, is provided with the groove matching with boss in described die cavity.
3. the disposable bone cement mould of one according to claim 2, is characterized in that: described inlet is connected with die cavity by isocon.
4. the disposable bone cement mould of one according to claim 1, is characterized in that: described gland inner side is provided with passes through hole.
5. the disposable bone cement mould of one according to claim 1, is characterized in that: described gland top is distributed with observation port.
6. the disposable bone cement mould of one according to claim 1, is characterized in that: on described gland, be provided with stopper slot.
7. the disposable bone cement mould of one according to claim 1, is characterized in that: described clamp nut inwall is distributed with female thread, described locking column outer wall is distributed with corresponding external screw thread.
8. the disposable bone cement mould of one according to claim 1, is characterized in that: between described valvular structure, be provided with locating dowel and plane of orientation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320784842.1U CN203609489U (en) | 2013-12-04 | 2013-12-04 | Disposable bone cement forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320784842.1U CN203609489U (en) | 2013-12-04 | 2013-12-04 | Disposable bone cement forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203609489U true CN203609489U (en) | 2014-05-28 |
Family
ID=50762177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320784842.1U Withdrawn - After Issue CN203609489U (en) | 2013-12-04 | 2013-12-04 | Disposable bone cement forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203609489U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104688305A (en) * | 2013-12-04 | 2015-06-10 | 苏州点合医疗科技有限公司 | Disposable bone cement molding mold |
| TWI593380B (en) * | 2015-03-23 | 2017-08-01 | 台灣微創醫療器材股份有限公司 | Injection device for biological tissue repair |
-
2013
- 2013-12-04 CN CN201320784842.1U patent/CN203609489U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104688305A (en) * | 2013-12-04 | 2015-06-10 | 苏州点合医疗科技有限公司 | Disposable bone cement molding mold |
| CN104688305B (en) * | 2013-12-04 | 2017-04-12 | 苏州点合医疗科技有限公司 | Disposable bone cement molding mold |
| TWI593380B (en) * | 2015-03-23 | 2017-08-01 | 台灣微創醫療器材股份有限公司 | Injection device for biological tissue repair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140528 Effective date of abandoning: 20170412 |