CN103110450B - Bone cement stirrer - Google Patents
Bone cement stirrer Download PDFInfo
- Publication number
- CN103110450B CN103110450B CN201310046819.7A CN201310046819A CN103110450B CN 103110450 B CN103110450 B CN 103110450B CN 201310046819 A CN201310046819 A CN 201310046819A CN 103110450 B CN103110450 B CN 103110450B
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- CN
- China
- Prior art keywords
- blade
- rotating shaft
- barrel
- shaft
- bone cement
- 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.)
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Classifications
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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
- A61B17/56—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
- A61B17/8833—Osteosynthesis tools specially adapted for handling bone cement or fluid fillers; Means for supplying bone cement or fluid fillers to introducing tools, e.g. cartridge handling means
- A61B2017/8838—Osteosynthesis tools specially adapted for handling bone cement or fluid fillers; Means for supplying bone cement or fluid fillers to introducing tools, e.g. cartridge handling means for mixing bone cement or fluid fillers
Abstract
The invention provides a bone cement stirrer which comprises a material cylinder and a material cylinder cover connected with the material cylinder. A rotating shaft and a vane are arranged in the material cylinder, and a material cylinder discharging opening with a necking mouth is arranged at the bottom, corresponding to the material cylinder cover, of the material cylinder and connected with a boss on a material cylinder seat. A rotating shaft output shaft, a plain shaft, a thread shaft and a discharge shaft are arranged on the rotating shaft. The discharge shaft is hollow with a discharge opening arranged in the side wall, and the top of the rotating shaft is connected with a rocking handle and a crank. A vane groove is arranged in the thread shaft, and the vane is arranged in the vane groove. The vane is provided with a vane stretchable rod and a vane fixed head, the vane fixed head is fixed in the vane groove in the rotating shaft, and a fixed head groove corresponding to the vane fixed head is arranged in the vane. The upper portion of the other side of the vane is provided with an inclined vane guide side, and a piston composed by connecting a piston sleeve and a piston seat connected with the piston sleeve is arranged between the rotating shaft and the inner wall of the material cylinder. Inner threads matched with the thread shaft are arranged in a shaft hole of the piston seat, and the height of the piston seat is identical with that of the plain shaft.
Description
Technical field
What the present invention relates to is a kind of medical instruments, especially a kind of bone cement mixer.
Background technology
In the prior art, the technical scheme the most close with the application to be application number that Patent Office of State Intellectual Property Office is authorized the be art solutions of No. 201010003050.7, which disclose a kind of technical scheme of bone cement mixer, this scheme can make liquid and bone cement powder reconcile into the bone cement of operation effectively, and prevents the pollution that manual open-ended stirring may cause.But the program also needs motor and the control chamber to Electric Machine Control, and the vacuum equipment of evacuation, its complex structure, not easily use at operative site, this is the weak point existing for prior art.
Summary of the invention
Technical problem to be solved by this invention, be exactly for the deficiency existing for prior art, and a kind of technical scheme of bone cement mixer is provided, the program adopts charging rotating shaft and blade in barrel to stir, use the method for piston discharge again, make the simple volume of structure very little and easily operate, being particularly suitable for using at operative site.
This programme is achieved by the following technical measures: bone cement mixer, the barrel lid including barrel and be threaded with barrel, rotating shaft and blade is had in barrel, the feature of this programme be the corresponding barrel lid of described barrel barrel bottom have the barrel discharge gate of band reducing, having with the connection boss on a barrel seat can the connection of dismounting; The upper top of described rotating shaft is the rotating shaft shaft stretching out barrel lid, optical axis below rotating shaft shaft, it is screwed thread spindle below optical axis, it is discharging axle below thread spindle, this discharging shaft portion is hollow axle, and the sidewall of discharging axle has discharging opening, and the top that described rotating shaft goes out shaft portion admittedly surely connects and connect Oscillating handle; on Oscillating handle, also crank is housed, has with axis being parallel and cross the blade groove groove of axis in the threaded shank portion of described rotating shaft; Described blade is tabular blade, this blade installation is in described blade groove, described blade has blade expansion link and blade fixing head, this blade fixing head is fixed in the blade groove of rotating shaft, on described blade, corresponding blade fixing head also has fixing head groove, has the blade guide margin of inclination in addition at the upper top of the blade opposite side of the described blade fixing head of correspondence; By the piston be made up of piston bush and the piston seat that is connected with piston bush between described rotating shaft and described material tube inner wall, be slidably matched between described piston bush and barrel, the axis hole of described piston seat has the female thread matched with the screw thread of threaded shank portion in rotating shaft, and the height of described piston seat is equal with the optical axis height in described rotating shaft.
The concrete feature of this programme also has, and described piston bush has sealing ring.Spring is had between described piston bush and piston seat.Described barrel outer wall also has volume scale.Described blade and described blade expansion link and described blade fixing head are integrative-structures.What described blade adopted is have elastic material.What described barrel adopted is transparent material.It is be threaded that described barrel discharge gate connects with the energy dismounting being connected boss.
The beneficial effect of this programme can be learnt according to describing of such scheme, owing to having rotating shaft in barrel and barrel and blade in this scenario, therefore can feed in barrel, stir with rotating shaft and blade.The thread spindle of described rotating shaft there is blade groove, described blade is just arranged in blade groove, described blade has blade fixing head and blade expansion link, and blade is fixed in blade groove by blade fixing head, and blade expansion link have elasticity can make blade stretch out for stir.Described rotating shaft has the piston that can move up and down along rotating shaft, when needing after bone cement stirring completes to discharge, Oscillating handle Shang rotating shaft, piston moves down by the screw drive of thread spindle in rotating shaft, piston moves down the blade guide rail promoted on blade makes blade take in the blade groove of rotating shaft, does not affect the bone cement that piston moves down in extruding barrel and is discharged by the discharging opening of rotating shaft top discharge axle and barrel discharge gate.As can be seen here, the present invention compared with prior art, does not need additional power source, and structure is simple, compact is easy to operate, pole is applicable to operative site and uses, therefore has outstanding substantive distinguishing features and significant progress, and its beneficial effect implemented also is apparent.
Accompanying drawing explanation
Fig. 1 is the partial cross structural representation of the specific embodiment of the invention.
Fig. 2 is the structural representation of Fig. 1 shaft.
Fig. 3 is the A-A cross-sectional schematic of Fig. 2.
Fig. 4 is the B-B cross-sectional schematic of Fig. 2.
In figure, 1 is discharging axle, and 2 is scale, and 3 is barrel, and 4 is thread spindle, 5 is optical axis, and 6 is barrel lid, and 7 is piston, and 8 is rotating shaft shaft, 9 Wei Oscillating handles, 10 is crank, and 11 is piston bush, and 12 is spring, 13 is sealing ring, and 14 is piston seat, and 15 is blade guide margin, and 16 is blade, 17 is blade groove, and 18 is fixing head groove, and 19 is blade fixing head, and 20 is blade expansion link, 21 is discharging opening, and 22 for connecting boss, and 23 is barrel seat, and 24 is barrel discharge gate.
Detailed description of the invention
For the technical characterstic of this programme can be clearly demonstrated, below by a detailed description of the invention, and in conjunction with its accompanying drawing, this programme is set forth.
Can be found out by accompanying drawing, the bone cement mixer of this programme, the barrel lid including barrel and be threaded with barrel, has rotating shaft and blade in barrel, and what barrel described in this programme adopted is that transparent material is made, and has volume scale on barrel outer wall.On described barrel corresponding barrel lid barrel bottom have the barrel discharge gate of band reducing, having with the connection boss on a barrel seat can being threaded of dismounting.The upper top of described rotating shaft is the rotating shaft shaft stretching out barrel lid, optical axis below rotating shaft shaft, it is screwed thread spindle below optical axis, it is discharging axle below thread spindle, this discharging shaft portion is hollow axle, and the sidewall of discharging axle has discharging opening, and the top that described rotating shaft goes out shaft portion admittedly surely connects and connect Oscillating handle; on Oscillating handle, also crank is housed, has with axis being parallel and cross the blade groove groove of axis in the threaded shank portion of described rotating shaft.Described blade is tabular blade, employing has elastic material and makes, this blade installation is in described blade groove, described blade has blade expansion link and blade fixing head, described blade and described blade expansion link and described blade fixing head are integrative-structures, and this blade fixing head is used for blade to be fixed in the blade groove of rotating shaft.Because described blade makes with elastomeric material, so described blade expansion link has elasticity, blade can be stretched out described rotating shaft or draw in in rotating shaft.On described blade, corresponding blade fixing head also has fixing head groove, for blade fixing head being drawn in fixing head groove when blade draws in.In addition, the blade guide margin of inclination is had at the upper top of the blade opposite side of the described blade fixing head of correspondence.By the piston be made up of piston bush and the piston seat that is connected with piston bush between described rotating shaft and described material tube inner wall, and there is spring between described piston bush and piston seat.Be slidably matched between described piston bush and barrel, and have sealing ring on described piston bush.The axis hole of described piston seat has the female thread matched with the screw thread of threaded shank portion in rotating shaft, and the height of described piston seat is equal with the optical axis height in described rotating shaft.
In use, first Ni hour hands Zhuan Dong Oscillating handle, make optical axis position stop motion piston moving on to rotating shaft, blade stretches out by blade groove the bone cement mixer of this programme.Continue Ni hour hands Zhuan Dong Oscillating handle, blade starts to stir bone cement.After bone cement stirring completes, Shun hour hands Zhuan Dong Oscillating handle, now piston is subject to the screw drive of thread spindle in rotating shaft and moves down, and is urged in blade groove by blade while blade moves down, and extrudes the bone cement be stirred and arranged outward by the discharging opening on the discharging axle of rotating shaft.Now, slewing blanking cylinder base, by bone cement inject operation with conduit is connected with barrel discharge gate, can carry out bone cement injection perform the operation.The agitator of this programme can also pre-install bone cement powder, inserts agitated liquid at operative site, can prevent the pollution of bone cement to greatest extent.
The present invention is not limited in above-mentioned detailed description of the invention, the change that those of ordinary skill in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (8)
1. a bone cement mixer, the barrel lid including barrel and be threaded with barrel, in barrel, there are rotating shaft and blade, it is characterized in that: the barrel discharge gate having band reducing bottom the barrel of the corresponding barrel lid of described barrel, has the connection of energy dismounting with the connection boss on a barrel seat; The upper top of described rotating shaft is the rotating shaft shaft stretching out barrel lid, optical axis below rotating shaft shaft, it is screwed thread spindle below optical axis, it is discharging axle below thread spindle, this discharging shaft portion is hollow axle, and the sidewall of discharging axle has discharging opening, and the top that described rotating shaft goes out shaft portion admittedly surely connects and connect Oscillating handle; on Oscillating handle, also crank is housed, has with axis being parallel and cross the blade groove groove of axis in the threaded shank portion of described rotating shaft; Described blade is tabular blade, this blade installation is in described blade groove, described blade has blade expansion link and blade fixing head, this blade fixing head is fixed in the blade groove of rotating shaft, on described blade, corresponding blade fixing head also has fixing head groove, has the blade guide margin of inclination in addition at the upper top of the blade opposite side of the described blade fixing head of correspondence; By the piston be made up of piston bush and the piston seat that is connected with piston bush between described rotating shaft and described material tube inner wall, be slidably matched between described piston bush and barrel, the axis hole of described piston seat has the female thread matched with the screw thread of threaded shank portion in rotating shaft, and the height of described piston seat is equal with the optical axis height in described rotating shaft.
2. bone cement mixer according to claim 1, is characterized in that: on described piston bush, have sealing ring.
3. bone cement mixer according to claim 1 and 2, is characterized in that: between described piston bush and piston seat, have spring.
4. bone cement mixer according to claim 1, is characterized in that: on described barrel outer wall, also have volume scale.
5. bone cement mixer according to claim 1, is characterized in that: described blade and described blade expansion link and described blade fixing head are integrative-structures.
6. bone cement mixer according to claim 1 or 5, is characterized in that: what described blade adopted is have elastic material.
7. bone cement mixer according to claim 1, is characterized in that: what described barrel adopted is transparent material.
8. bone cement mixer according to claim 1, is characterized in that: it is be threaded that described barrel discharge gate connects with the energy dismounting being connected boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310046819.7A CN103110450B (en) | 2013-02-06 | 2013-02-06 | Bone cement stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310046819.7A CN103110450B (en) | 2013-02-06 | 2013-02-06 | Bone cement stirrer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103110450A CN103110450A (en) | 2013-05-22 |
| CN103110450B true CN103110450B (en) | 2015-06-10 |
Family
ID=48408850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310046819.7A Active CN103110450B (en) | 2013-02-06 | 2013-02-06 | Bone cement stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103110450B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104688321B (en) * | 2015-03-12 | 2017-03-01 | 艾科美医疗器械（深圳）有限公司 | Integral type bone cement filling apparatuss with stirring and perfusion functional |
| CN111728745A (en) * | 2020-06-23 | 2020-10-02 | 江苏尚美医疗器械有限公司 | High-precision bone cement filler |
| CN113017814B (en) * | 2021-03-04 | 2022-10-25 | 张伟伟 | Bone cement stirring and foam discharging device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1785130A (en) * | 2005-12-15 | 2006-06-14 | 蒋谊康 | Integrated bone cement vacuum agitating injecting device |
| CN102009438A (en) * | 2010-01-04 | 2011-04-13 | 上海康德莱企业发展集团医疗器械有限公司 | Bone cement stirrer |
| CN102028524A (en) * | 2010-12-04 | 2011-04-27 | 上海凯利泰医疗科技股份有限公司 | Bone cement stirring and infusing device |
| CN202270056U (en) * | 2011-10-10 | 2012-06-13 | 李园春 | Portable agitating and injecting device for bone cement |
| CN203042408U (en) * | 2013-02-06 | 2013-07-10 | 邵卫星 | Bone cement mixer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3125579B2 (en) * | 1994-05-24 | 2001-01-22 | 三菱マテリアル株式会社 | Biological cement filling equipment |
| JP2004528948A (en) * | 2001-06-14 | 2004-09-24 | セムヴァック システム アーベー | Method for preparing bone cement and apparatus for preparing bone cement |
-
2013
- 2013-02-06 CN CN201310046819.7A patent/CN103110450B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1785130A (en) * | 2005-12-15 | 2006-06-14 | 蒋谊康 | Integrated bone cement vacuum agitating injecting device |
| CN102009438A (en) * | 2010-01-04 | 2011-04-13 | 上海康德莱企业发展集团医疗器械有限公司 | Bone cement stirrer |
| CN102028524A (en) * | 2010-12-04 | 2011-04-27 | 上海凯利泰医疗科技股份有限公司 | Bone cement stirring and infusing device |
| CN202270056U (en) * | 2011-10-10 | 2012-06-13 | 李园春 | Portable agitating and injecting device for bone cement |
| CN203042408U (en) * | 2013-02-06 | 2013-07-10 | 邵卫星 | Bone cement mixer |
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| Publication number | Publication date |
|---|---|
| CN103110450A (en) | 2013-05-22 |
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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 | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20130522 Assignee: Shandong Guanlong Medical Utensils Co., Ltd. Assignor: Shao Weixing Contract record no.: 2015370000175 Denomination of invention: Bone cement stirrer Granted publication date: 20150610 License type: Exclusive License Record date: 20151015 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160629 Address after: 250101 Shandong city of Ji'nan province high tech Zone Shun Road No. 109 Patentee after: Shandong Guanlong Medical Utensils Co., Ltd. Address before: 250101 Shandong city of Ji'nan province Ji'nan High-tech Development Zone, Road No. 109 Department of building C Patentee before: Shao Weixing |