CN104688305A - Disposable bone cement molding mold - Google Patents
Disposable bone cement molding mold Download PDFInfo
- Publication number
- CN104688305A CN104688305A CN201310639623.9A CN201310639623A CN104688305A CN 104688305 A CN104688305 A CN 104688305A CN 201310639623 A CN201310639623 A CN 201310639623A CN 104688305 A CN104688305 A CN 104688305A
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- Prior art keywords
- bone cement
- mold
- distributed
- disposable
- disposable bone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a disposable bone cement molding mold. The disposable bone cement molding mold comprises a mold base; mold cores are arranged in the mold base; and a mold cavity is distributed between the mold base and each mold core. The disposable bone cement molding mold is characterized in that locking columns are distributed on the mold base, glands are distributed above the mold base, and pressing nuts are installed on the glands. Meanwhile, an injection channel communicated with each mold cavity is formed in the mold base. In addition, each mold cavity comprises a petal type dividing pipe, a petal type structure is connected to each petal type dividing pipe, and a positioning column is arranged between each petal type dividing pipe and the corresponding petal type structure. In this way, the disposable bone cement molding mold can be used for machining solid bone cement strips in certain shapes; as the injection channels of the mold base and the dividing pipes of the mold cores are blocked by set bone cement and cannot be cleared of the bone cement, the bone cement molding mold can only be used for one time, and disease propagation possibly caused by repeated utilization can be avoided. In addition, the disposable bone cement molding mold is simple in structure and easy to manufacture.
Description
Technical field
The present invention relates to a kind of mould, particularly relate to a kind of disposable bone cement mould.
Background technology
Vertebroplasty is mainly used in the illness such as treatment 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 vertbroplasty (percutaneous vertebroplasty, and Kyphoplasty (percutaneous kyphoplasty, PKP) two kinds PVP).PVP injects low viscosity bone cement to without in the vertebral body in space under the condition of high pressure; PKP produces cavity by bone dilator at vertebral body intramedullary expansion, and to injecting high viscosity bone cement in vertebral body cavity under low-pressure, seepage is comparatively limited to, and its safety comparatively PVP improves greatly.But no matter low viscosity bone cement or high viscosity bone cement, when pathological changes vertebral body exists damaged, injects the risk that bone cement just cannot avoid its generation seepage in a liquid state.These risks comprise (1) bone cement and enter canalis spinalis to vertebral body rear seepage and nerve root canal may cause spinal nerves compression to cause paralysis; (2) fatal pulmonary embolism may bone cement injection cause pressure change in vertebral body to cause caused by fat embolism, and the PVP of continuous multiple vertebral body increases 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, look for another way a kind of disposable bone cement shaping mould of design, 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 pole low-pressure, it is made mutually to solidify, bone cement risk of leakage can not only be avoided like this, can also reduce or prevent the harm that monomer toxicity may cause, thus guarantee operation safety, improve therapeutic effect.
Summary of the invention
Object of the present invention is exactly to solve the above-mentioned problems in the prior art, provides a kind of disposable bone cement mould.
Object of the present invention is achieved through the following technical solutions:
A kind of disposable bone cement mould, include die holder, core rod is provided with in described die holder, die cavity is distributed with between described die holder and core rod, wherein: described die holder is distributed with locking post, gland is distributed with above described die holder, described gland is provided with clamp nut, the injection channel with die cavity conducting is provided with in described die holder, described die cavity includes flap formula isocon, described flap formula isocon is connected with valvular structure, between described flap formula isocon and valvular structure, is provided with locating dowel and plane of orientation.
Further, the disposable bone cement mould of above-mentioned one, wherein: described die core front end is provided with boss, inlet is distributed with in described boss, described inlet conducting has die cavity, the rear of described die cavity is provided with outlet, is provided with the groove matched with boss in described die cavity.
Further, the disposable bone cement mould of above-mentioned one, wherein: described inlet is connected with die cavity by isocon.
Further, the disposable bone cement mould of above-mentioned one, wherein: inside described gland, be provided with hole.
Further, the disposable bone cement mould of above-mentioned one, wherein: above described gland, be distributed with observation port.
Further, the disposable bone cement mould of above-mentioned one, wherein: described gland is provided with stopper slot.
Further, the disposable bone cement mould of above-mentioned one, wherein: described clamp nut inwall is distributed with female thread, described locking column outer wall is distributed with corresponding external screw thread.
Again further, the disposable bone cement mould of above-mentioned one, wherein: between described valvular structure, be provided with locating dowel and plane of orientation.
The advantage of technical solution of the present invention 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 is inserted vertebral body and uses.So both effectively can fill vertebral body and recover height, the risk of bone cement seepage can have been avoided again, thus improve the safety of operation.What is more important, the bone cement be solidified due to the injection channel of die holder and the isocon of core rod blocking cannot be removed, therefore this bone cement shaping mould only can single use, also can avoid reusing the pathophoresis that may cause.Moreover simple structure of the present invention, can be used for vertebroplasty, also may be used for the medical treatment device manufacture that liquid need be frozen into definite shape solid matter by other.
Accompanying drawing explanation
Object of the present invention, advantage and disadvantage, by for illustration and explanation for the non-limitative illustration passing through preferred embodiment below.
Fig. 1 is the profile construction schematic diagram of this disposable bone cement mould.
Fig. 2 be this disposable bone cement mould overlook organigram.
Detailed description of the invention
The disposable bone cement mould of one as shown in Figure 1 and Figure 2, includes die holder 1, is provided with core rod 2 in this die holder 1.Meanwhile, in order to carry out shape casting, be distributed with die cavity 3 between die holder 1 and core rod 2, its unusual part is: die holder 1 of the present invention is distributed with locking post 4, is distributed with gland 6 above die holder 1.Specifically, gland is provided with clamp nut 7, in die holder 1, is provided with the injection channel 5 with die cavity 3 conducting.Further, in order to realize effective disposal molding manufacture, the die cavity 3 of employing includes flap formula isocon 8, and flap formula isocon 8 is connected with valvular structure 9.Further, between flap formula isocon 8 and valvular structure 9, locating dowel 22 is provided with.Certainly consider that follow-up mould uses casting needs, between valvular structure, be provided with locating dowel 22 and plane of orientation 23.
With regard to the present invention one preferably embodiment, in order to realize the effective combination between each core rod 2 and die holder 1, core rod 2 front end is provided with boss 10.Meanwhile, for the ease of carrying out synchronous material injection to each core rod 2, be distributed with inlet 11 in the boss 10 of employing, inlet 11 conducting has die cavity 13.Further, consider oozing out of clout, the rear of die cavity 13 is provided with outlet 14.Corresponding with it, putting in place to ensure that core rod 2 is laid, in die cavity 3, being provided with the groove 15 matched with boss 10.
Further, consider the smooth flow of bone cement, effectively can fill each core rod 2, the inlet 11 of employing is connected with die cavity 13 by isocon 12.Meanwhile, in order to the assembling of gland 6 is smooth, effectively can be combined with die holder 1, inside gland 6, be provided with hole 16.Further, consider in the course of processing injection effect of observing bone cement, above gland 6, be distributed with observation port 17.Moreover, in order to auxiliary positioning can be carried out to core rod 2, coordinate the work of die holder 1, gland 6 is 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 inwall is distributed with female thread 19, and locking post 4 outer wall is distributed with corresponding external screw thread 20.Like this, along with screwing gland 6, core rod 2 can be compressed by gland 6, keeping the boss 10 of core rod 2 front end to closely cooperate with the groove 15 in die cavity 3.
In conjunction with actual service condition of the present invention, injection vessel can be held by injection channel 5 and inject liquid bone cement.During this period, by the full situation of the liquid bone cement of observation port 17 observable in core rod 2.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.Meanwhile, for convenience of using, by separating opening 21, flap formula isocon 8 being separated with valvular structure 9, solid-state bone cement bar can being deviate from from die cavity 13, be convenient to take.And, after liquid bone cement implant operation completes and solidifies, the bone cement blocking be solidified due to the injection channel 5 in institute's die holder 1 and isocon 12 cannot be removed, therefore this bone cement shaping mould only can single use, thus avoid reusing the pathophoresis that may cause, ensure safety.In other words, because the bone cement in die holder 1 injection channel 5 cannot be removed completely when not destroying this die holder 1 structure, fundamentally avoid reusable possibility.
Can be found out by above-mentioned character express, after adopting the present invention, 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 vertebral body and use.So both effectively can fill vertebral body and recover height, the risk of bone cement seepage can have been avoided again, thus improve the safety of operation.What is more important, the bone cement be solidified due to the injection channel of die holder and the isocon of core rod blocking cannot be removed, therefore this bone cement shaping mould only can single use, also can avoid reusing the pathophoresis that may cause.Moreover simple structure of the present invention, can be used for vertebroplasty, also may be used for the medical treatment device manufacture that liquid need be frozen into definite shape solid matter by other.
These embodiments are only the prominent examples of application technical solution of the present invention, allly take equivalent replacement or equivalent transformation and the technical scheme that formed, all drop within the scope of protection of present invention.
Claims (8)
1. a disposable bone cement mould, include die holder, core rod is provided with in described die holder, die cavity is distributed with between described die holder and core rod, it is characterized in that: described die holder is distributed with locking post, gland is distributed with above described die holder, described gland is provided with clamp nut, the injection channel with die cavity conducting is provided with in described die holder, described die cavity includes flap formula isocon, described flap formula isocon is connected with valvular structure, locating dowel and plane of orientation is provided with between described flap formula isocon and valvular structure.
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, inlet is distributed with in described boss, described inlet conducting has die cavity, the rear of described die cavity is provided with outlet, is provided with the groove matched 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: be provided with hole inside described gland.
5. the disposable bone cement mould of one according to claim 1, is characterized in that: be distributed with observation port above described gland.
6. the disposable bone cement mould of one according to claim 1, is characterized in that: described gland is 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, and 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: have locating dowel and plane of orientation between described valvular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310639623.9A CN104688305B (en) | 2013-12-04 | 2013-12-04 | Disposable bone cement molding mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310639623.9A CN104688305B (en) | 2013-12-04 | 2013-12-04 | Disposable bone cement molding mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104688305A true CN104688305A (en) | 2015-06-10 |
| CN104688305B CN104688305B (en) | 2017-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310639623.9A Active CN104688305B (en) | 2013-12-04 | 2013-12-04 | Disposable bone cement molding mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104688305B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107007380A (en) * | 2017-04-21 | 2017-08-04 | 陈为坚 | A kind of bone depresser and application method |
| CN109171939A (en) * | 2018-08-02 | 2019-01-11 | 重庆市华港科技有限公司 | Bone cement prosthese integration 3D printing molding die and its forming method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3889665A (en) * | 1972-03-08 | 1975-06-17 | Nat Res Dev | Apparatus and method for pressurizing gap-filling cement to a concavely relieved site in a bone |
| WO2006099969A2 (en) * | 2005-03-24 | 2006-09-28 | Fehling Ag | Method and device for the production of spinal implants |
| CN101808795A (en) * | 2007-10-05 | 2010-08-18 | 日本碍子株式会社 | 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 |
| CN203609489U (en) * | 2013-12-04 | 2014-05-28 | 苏州点合医疗科技有限公司 | Disposable bone cement forming die |
-
2013
- 2013-12-04 CN CN201310639623.9A patent/CN104688305B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3889665A (en) * | 1972-03-08 | 1975-06-17 | Nat Res Dev | Apparatus and method for pressurizing gap-filling cement to a concavely relieved site in a bone |
| WO2006099969A2 (en) * | 2005-03-24 | 2006-09-28 | Fehling Ag | Method and device for the production of spinal implants |
| CN101808795A (en) * | 2007-10-05 | 2010-08-18 | 日本碍子株式会社 | 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 |
| CN203609489U (en) * | 2013-12-04 | 2014-05-28 | 苏州点合医疗科技有限公司 | Disposable bone cement forming die |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107007380A (en) * | 2017-04-21 | 2017-08-04 | 陈为坚 | A kind of bone depresser and application method |
| CN107007380B (en) * | 2017-04-21 | 2019-05-21 | 陈为坚 | A kind of bone depresser and application method |
| CN109171939A (en) * | 2018-08-02 | 2019-01-11 | 重庆市华港科技有限公司 | Bone cement prosthese integration 3D printing molding die and its forming method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104688305B (en) | 2017-04-12 |
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