CN104688305B - Disposable bone cement molding mold - Google Patents
Disposable bone cement molding mold Download PDFInfo
- Publication number
- CN104688305B CN104688305B CN201310639623.9A CN201310639623A CN104688305B CN 104688305 B CN104688305 B CN 104688305B CN 201310639623 A CN201310639623 A CN 201310639623A CN 104688305 B CN104688305 B CN 104688305B
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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, more particularly to a kind of disposable bone cement mould.
Background technology
Vertebroplasty is mainly used in treating that osteoporosis Vertebral Compression shape fracture, centrum be primary or metastatic tumo(u)r etc.
Illness, is a kind of new minimally invasive spine surgical, main at present to be injected using liquid bone cement, including percutaneous vertbroplasty
（Percutaneous vertebroplasty, PVP）And Kyphoplasty（Percutaneous kyphoplasty,
PKP）Two kinds.PVP is to the vertebra internal injection low viscosity bone cement without space under conditions of high pressure；PKP is expanded by bone
Prop produces cavity in centrum intramedullary expansion, and to injecting high viscosity bone cement in centrum cavity under low-pressure, seepage is relatively limited to, its peace
Full property is greatly improved compared with PVP.But no matter low viscosity bone cement or high viscosity bone cement, when pathology centrum is present it is damaged when,
Liquid condition is betted and cannot just avoid it that risk of seepage occurs into bone cement.These risks include（1）Bone cement is to after centrum
Side leaks into canalis spinalis and nerve root canal is likely to result in spinal nerve compression and causes paralysis；（2）Fatal pulmonary embolism may
Bone cement injection causes pressure change in centrum to cause caused by fat embolism, and the PVP of continuous multiple centrums increases this wind
Danger；Additionally, the toxicity of bone cement monomer is likely to have certain harm to human body.
In view of this, it would be highly desirable to for 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 centrum, then 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 the harm for reducing or preventing monomer toxicity to be likely to result in, so as to protect
Card operation safety, improves therapeutic effect.
The content of the invention
The purpose of the present invention is exactly to solve the above-mentioned problems in the prior art, there is provided a kind of disposable bone cement
Mould.
The purpose of the present invention is achieved through the following technical solutions：
A kind of disposable bone cement mould, includes die holder, and core rod, described die holder are provided with described die holder
Die cavity is distributed between core rod, wherein：Locking post is distributed with described die holder, described die holder top is distributed with gland,
Clamp nut is installed on described gland, the injection channel with die cavity conducting, described die cavity are provided with described die holder
Flap formula isocon is included, valvular structure is connected with described flap formula isocon, described flap formula isocon and lobe
Locating dowel and positioning plane are provided between shape structure.
Further, above-mentioned a kind of disposable bone cement mould, wherein：Described die core front end is provided with convex
Platform, is distributed with inlet in described boss, the rear that described inlet conducting has die cavity, the die cavity is provided with outlet,
The groove matched with boss is provided with described die cavity.
Further, above-mentioned a kind of disposable bone cement mould, wherein：Described inlet passes through isocon
It is connected with die cavity.
Further, above-mentioned a kind of disposable bone cement mould, wherein：Described gland inner side is provided with logical
Via.
Further, above-mentioned a kind of disposable bone cement mould, wherein：Described gland top is distributed with sight
Examine hole.
Further, above-mentioned a kind of disposable bone cement mould, wherein：Limited location is set on described gland
Groove.
Further, above-mentioned a kind of disposable bone cement mould, wherein：Described clamp nut inwall distribution
There is internal thread, the locking column outer wall is distributed with corresponding external screw thread.
Yet further, above-mentioned a kind of disposable bone cement mould, wherein：Arrange between described valvular structure
There are locating dowel and positioning plane.
The advantage of technical solution of the present invention is mainly reflected in：Can be used to process the solid-state bone cement bar with certain profile,
Many this solid-state bone cement bars are inserted into centrum by special equipment to be used.Centrum so both can be effectively filled and recover high
Degree, is avoided that the risk of bone cement seepage, so as to improve the security of operation again.What is more important, due to the injection of die holder
The bone cement blocking that the isocon of passage and core rod is solidified cannot be removed, therefore the bone cement shaping mould is only capable of single use,
Can also avoid reusing possible caused transmission.Furthermore, simple structure of the present invention can be used for vertebroplasty, also may be used
Liquid need to be frozen into the medical treatment device manufacture of definite shape solid matter for other.
Description of the drawings
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 this disposable bone cement mould.
Fig. 2 is the vertical view organigram of this disposable bone cement mould.
Specific embodiment
A kind of disposable bone cement mould as shown in Figure 1 and Figure 2, includes die holder 1, and in the die holder 1 mould is provided with
Core 2.Meanwhile, in order to carry out shape casting, die cavity 3 being distributed between die holder 1 and core rod 2, its unusual part is：This
Locking post 4 is distributed with bright adopted die holder 1, the top of die holder 1 is distributed with gland 6.Specifically, compression is installed on gland
The injection channel 5 with the conducting of die cavity 3 is provided with nut 7, die holder 1.Also, in order to realize effective disposal molding manufacture,
Using die cavity 3 include flap formula isocon 8, be connected with valvular structure 9 on flap formula isocon 8.Also, in flap formula
Locating dowel 22 is provided between isocon 8 and valvular structure 9.It is certainly contemplated that being needed using casting to follow-up mould, valvular structure
Between be provided with locating dowel 22 and positioning plane 23.
Just from the point of view of the preferably embodiment of the present invention one, in order to realize the effective combination between each core rod 2 and die holder 1,
The front end of core rod 2 is provided with boss 10.Meanwhile, for the ease of synchronizing material injection, the boss 10 of employing to each core rod 2
Inlet 11 is inside distributed with, the conducting of inlet 11 has die cavity 13.Also, oozing out in view of clout, the rear of die cavity 13 is arranged
There is outlet 14.It is corresponding to be, in order to ensure that core rod 2 is put in place, it is provided with die cavity 3 recessed with what boss 10 matched
Groove 15.
From the point of view of further, it is contemplated that the smooth flow of bone cement, each core rod 2, the inlet of employing can be effectively filled
11 are 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, gland 6
Inner side is provided with hole 16.Also, in view of the injection effect of bone cement is observed in process, in the distribution of the top of gland 6
There is peep hole 17.Furthermore, in order to carry out auxiliary positioning to core rod 2, coordinate the work of die holder 1, arrange limited on gland 6
Position groove 18.So, stopper slot 18 can accommodate the tail end of core rod 2.
From the point of view of further, it is contemplated that effective combination of clamp nut 7, give gland 6 and apply optimal dynamics, compress spiral shell
Female 7 inwalls are distributed with internal thread 19, and the locking outer wall of post 4 is distributed with corresponding external screw thread 20.So, along with gland 6 is screwed, can
Core rod 2 can be compressed by gland 6, the boss 10 for keeping the front end of core rod 2 is fitted close with the groove 15 in die cavity 3.
From the point of view of actually used situation with reference to the present invention, injection vessel can be held by injection channel 5 and inject liquid bone cement.
During this period, the full situation by the observable liquid bone cement of peep hole 17 in core rod 2.Afterwards, liquid bone cement is in institute
Can be used to process the solid-state bone cement bar with certain profile after being full of in the core rod die cavity 13 stated.Meanwhile, use for convenience, lead to
Cross separating opening 21 to separate flap formula isocon 8 with valvular structure 9 so that solid-state bone cement bar can be deviate from from die cavity 13, just
In taking.Also, after liquid bone cement implant operation completes solidification, due to the injection channel 5 in institute's die holder 1 and isocon 12
The bone cement blocking being solidified cannot be removed, therefore the bone cement shaping mould is only capable of single use, so as to avoid the reuse can
Transmission caused by energy, it is ensured that safety.Stated differently, since the bone cement in the injection channel 5 of die holder 1 is not destroying the die holder
Cannot be fully erased in the case of 1 structure, fundamentally avoid reusable possibility.
After above-mentioned character express can be seen that using the present invention, can be used to process the solid-state with certain profile
Many this solid-state bone cement bars are inserted centrum and are used by bone cement bar by special equipment.So both can effectively fill
Centrum recovers height, the risk of bone cement seepage is avoided that again, so as to improve the security of operation.What is more important, due to
The bone cement blocking that the injection channel of die holder and the isocon of core rod are solidified cannot be removed, therefore the bone cement shaping mould is only capable of one
Secondary property is used, and can also avoid reusing possible caused transmission.Furthermore, simple structure of the present invention, can be used for centrum into
Shape art, it is also possible to liquid need to be frozen into the medical treatment device manufacture of definite shape solid matter for other.
These embodiments are only the prominent examples for applying technical solution of the present invention, all to take equivalent or equivalent transformation
And the technical scheme for being formed, all fall within the scope of protection of present invention.
Claims (8)
1. a kind of disposable bone cement mould, includes die holder, is provided with core rod in described die holder, described die holder with
Die cavity is distributed between core rod, it is characterised in that：Locking post is distributed with described die holder, described die holder top is distributed with pressure
Lid, is provided with clamp nut on described gland, the injection channel with die cavity conducting, described mould are provided with described die holder
Cave includes flap formula isocon, is connected with valvular structure on described flap formula isocon, described flap formula isocon with
Locating dowel and positioning plane are provided between valvular structure.
2. a kind of disposable bone cement mould according to claim 1, it is characterised in that：Described die core front end sets
Boss is equipped with, inlet is distributed with described boss, the rear that described inlet conducting has die cavity, the die cavity is provided with
Outlet, is provided with the groove matched with boss in described die cavity.
3. a kind of disposable bone cement mould according to claim 2, it is characterised in that：Described inlet passes through
Isocon is connected with die cavity.
4. a kind of disposable bone cement mould according to claim 1, it is characterised in that：Described gland inner side sets
It is equipped with by hole.
5. a kind of disposable bone cement mould according to claim 1, it is characterised in that：Described gland top point
It is furnished with peep hole.
6. a kind of disposable bone cement mould according to claim 1, it is characterised in that：Arrange on described gland
Limited location groove.
7. a kind of disposable bone cement mould according to claim 1, it is characterised in that：In described clamp nut
Wall is distributed with internal thread, and the locking column outer wall is distributed with corresponding external screw thread.
8. a kind of disposable bone cement mould according to claim 1, it is characterised in that：Described valvular structure it
Between have locating dowel and positioning plane.
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 CN104688305A (en) | 2015-06-10 |
| CN104688305B true CN104688305B (en) | 2017-04-12 |
Family
ID=53336160
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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (5)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005054479A1 (en) * | 2005-03-24 | 2006-09-28 | Fehling Ag | Method and device for producing spinal implants |
-
2013
- 2013-12-04 CN CN201310639623.9A patent/CN104688305B/en active Active
Patent Citations (5)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104688305A (en) | 2015-06-10 |
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