CN104905857A - Disposable type bone cement forming die - Google Patents
Disposable type bone cement forming die Download PDFInfo
- Publication number
- CN104905857A CN104905857A CN201410088197.9A CN201410088197A CN104905857A CN 104905857 A CN104905857 A CN 104905857A CN 201410088197 A CN201410088197 A CN 201410088197A CN 104905857 A CN104905857 A CN 104905857A
- Authority
- CN
- China
- Prior art keywords
- bone cement
- die
- die cavity
- distributed
- die holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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, particularly relate to a kind of disposable formula 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 formula bone cement mould.
Object of the present invention is achieved through the following technical solutions:
A kind of disposable formula 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 and die cavity group lid, be distributed with between described flap formula isocon and valvular structure and be provided with locating dowel, described valvular structure upper end is distributed with plane of orientation, side color on described valvular structure is provided with button hole and principal deformation groove, tight locking button and secondary deformation groove is distributed with in described die cavity group lid, described valvular structure and die cavity group cover encloses formation cavity structure, 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, damage block is provided with in described die cavity wall, the groove matched with boss is provided with in described die cavity, described damage block one end is by after flap formula isocon deformation extruding, the other end enters die cavity.
Further, above-mentioned one disposable formula bone cement mould, wherein: described inlet is connected with die cavity by isocon.
Further, above-mentioned one disposable formula bone cement mould, wherein: inside described gland, be provided with hole.
Further, above-mentioned one disposable formula bone cement mould, wherein: above described gland, be distributed with observation port.
Further, above-mentioned one disposable formula bone cement mould, wherein: described gland is provided with stopper slot.
Again further, above-mentioned one disposable formula 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.
The advantage of technical solution of the present invention is mainly reflected in: the bone cement blocking that the injection channel of die holder and the isocon of core rod are solidified cannot be removed, moreover, the die cavity of core rod also can be filled due to the distortion of die cavity group lid and damage block and cause destruction, therefore this bone cement shaping mould only can single use, also can avoid reusing the pathophoresis that may cause.
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 disposable formula bone cement mould.
Fig. 2 be disposable formula bone cement mould overlook organigram.
Fig. 3 be die cavity group lid overlook organigram.
| 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 | Passing hole |
| 17 | Observation port | 18 | Stopper slot |
| 19 | Female thread | 20 | External screw thread |
| 21 | Sorting hole | 22 | Locating dowel |
| 23 | Plane of orientation | 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 |
。
Detailed description of the invention
One disposable formula bone cement mould as shown in Figures 1 to 3, 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.
With regard to the present invention one preferably embodiment, consider that follow-up mould uses and casts needs, valvular structure 9 upper end is distributed with plane of orientation 23, side color on valvular structure 9 is provided with button hole 24 and principal deformation groove 32, tight locking button and secondary deformation groove is distributed with in die cavity group lid 26, valvular structure 9 and die cavity group lid 26 surround formation cavity structure, in order to realize the effective combination between each core rod 2 and die holder 1, core rod 2 front end are 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, is provided with damage block in die cavity wall.Meanwhile, 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.During use, separation bar 25 is inserted sorting hole 21, reinforcing makes valvular structure 9 be separated to take out solid-state bone cement bar, simultaneously, there is deformation and cause die cavity 13 to be out of shape in the secondary deformation groove 27 of die cavity group lid 26, one end 29 of damage block extrudes by valvular structure deformation, damages the other end 30 of block and enters die cavity 13 and be partially filled.
As can be seen here, 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, 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.Moreover the die cavity 13 of core rod also can be out of shape due to die cavity group lid 26 and damage block 28 fills and causes destruction, thus fundamentally avoids the reusable probability of this mould.
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 blocking be solidified due to the injection channel of die holder and the isocon of core rod cannot be removed, moreover, the die cavity of core rod also can be filled due to the distortion of die cavity group lid and damage block and cause destruction, therefore this bone cement shaping mould only can single use, also can avoid reusing the pathophoresis that may cause.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 (6)
1. a disposable formula 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 and die cavity group lid, be distributed with between described flap formula isocon and valvular structure and be provided with locating dowel, described valvular structure upper end is distributed with plane of orientation, side color on described valvular structure is provided with button hole and principal deformation groove, tight locking button and secondary deformation groove is distributed with in described die cavity group lid, described valvular structure and die cavity group cover encloses formation cavity structure, 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, damage block is provided with in described die cavity wall, the groove matched with boss is provided with in described die cavity, described damage block one end is by after flap formula isocon deformation extruding, the other end enters die cavity.
2. one according to claim 1 disposable formula bone cement mould, is characterized in that: described inlet is connected with die cavity by isocon.
3. one according to claim 1 disposable formula bone cement mould, is characterized in that: be provided with hole inside described gland.
4. one according to claim 1 disposable formula bone cement mould, is characterized in that: be distributed with observation port above described gland.
5. one according to claim 1 disposable formula bone cement mould, is characterized in that: described gland is provided with stopper slot.
6. one according to claim 1 disposable formula bone cement mould, 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.
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 true CN104905857A (en) | 2015-09-16 |
| CN104905857B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110251223A (en) * | 2019-06-20 | 2019-09-20 | 苏州点合医疗科技有限公司 | A kind of turntable type ne-leakage vertebral plasty equipment |
| CN114557748A (en) * | 2022-02-28 | 2022-05-31 | 奥精医疗科技股份有限公司 | Auxiliary device for skull fixation and using method thereof |
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 |
| 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 |
-
2014
- 2014-03-11 CN CN201410088197.9A patent/CN104905857B/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 |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110251223A (en) * | 2019-06-20 | 2019-09-20 | 苏州点合医疗科技有限公司 | A kind of turntable type ne-leakage vertebral plasty equipment |
| 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 |
| CN114557748A (en) * | 2022-02-28 | 2022-05-31 | 奥精医疗科技股份有限公司 | Auxiliary device for skull fixation and using method thereof |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104905857B (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8734459B1 (en) | Device and method to prevent extravasation of bone cement used in balloon kyphoplasty | |
| MX2020005537A (en) | Empty | |
| RU2013118669A (en) | FRONT CERVICAL PLATE | |
| CN203885590U (en) | Disposable bone cement shaping mould | |
| CN104905857A (en) | Disposable type bone cement forming die | |
| CN103393459A (en) | Rebuilding locking maxillofacial bone plate | |
| CN203609489U (en) | Disposable bone cement forming die | |
| CN104688305A (en) | Disposable bone cement molding mold | |
| CN104873264B (en) | For resinae bone cement and the equipment of calcium phosphate bone cement combined injection | |
| CN103908325A (en) | Device for injecting bone cement | |
| CN103767779B (en) | A kind of superposing type full-height vertebral body shaper | |
| CN104000647A (en) | Gamma intramedullary nail | |
| CN107951556B (en) | Complex acetabulum fracture inner side bone fracture plate | |
| CN103654937B (en) | Combined probe sleeve | |
| CN104147485A (en) | Traditional Chinese medicinal composition for treating gouty arthritis, and preparation method thereof | |
| CN105361935B (en) | Superimposed sheets drip irrigation attachment means | |
| JP6521999B2 (en) | Device for removing bone cement from a bone cavity | |
| CN203506859U (en) | Novel hollow bone nail | |
| CN203417255U (en) | Locking maxillofacial reconstruction type bone plate | |
| CN204033457U (en) | A kind of modified form femoral intertrochanteric fixture | |
| CN203609495U (en) | Poking and hinging device of minimally-invasive poking plastic internal fixing device | |
| CN203183007U (en) | Expandable device for treating vertebral compression fracture | |
| CN203468728U (en) | Bone cement pushing-injection device | |
| CN201346238Y (en) | Pouring device used for pourable screw for pedicle of vertebral arch | |
| CN204501833U (en) | A kind of micro-drainage tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |