CN2882555Y - Spiral bone cement propeller - Google Patents
Spiral bone cement propeller Download PDFInfo
- Publication number
- CN2882555Y CN2882555Y CN 200520048273 CN200520048273U CN2882555Y CN 2882555 Y CN2882555 Y CN 2882555Y CN 200520048273 CN200520048273 CN 200520048273 CN 200520048273 U CN200520048273 U CN 200520048273U CN 2882555 Y CN2882555 Y CN 2882555Y
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- CN
- China
- Prior art keywords
- bone cement
- sleeve pipe
- propulsion
- propulsion plant
- lid
- 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.)
- Expired - Fee Related
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- Prostheses (AREA)
Abstract
The utility model discloses a bone cement propulsion device for the vertebroplasty, which comprises a sleeve pipe and a propulsion component which can implement the axial movement relative to the sleeve pipe, wherein the end of the propulsion component is provided with a piston. The back end of the sleeve pipe is provided with a back-end interface with a external thread, the propulsion component comprises a screw and a handle, the outer part of the propulsion component is provided with a cover body with an internal thread, the cover body is connected with the back end interface of the sleeve pipe through the screw and fixed on the sleeve pipe. Through the rotating handle, the screw can implement the axial movement relative to the cover body and the sleeve pipe. Due to adopting the spiral propulsion structure, the utility model can implement the injection under the condition of that the bone cement is toothpaste-like, which furthest avoids the risk of that the bone cement overflows or enters the blood in a reverse direction, and is simple and labor-saving in the operation to maximally avoid spill-over or reverse bone cement into the risks of blood, and to control them simple, effort.
Description
[technical field]
This utility model relates to a kind of medical apparatus and instruments, refers in particular to a kind of bone cement propeller that is applied in the vertebral body plastic operation.
[background technology]
" bone cement " is a kind of special macromolecular compound, promptly produces polyreaction after injecting in the body, solidifies in one minute, heat release.By reactions such as a series of physics and Physiology and biochemistries, play pain relieving, increase vertebral body intensity, prevent to subside, prevent effect such as paralysis.Simultaneously, temperature can reach 85 degrees centigrade during the bone cement polyreaction, also can effectively kill the local tumor cell.Therefore, bone cement vertebral plasty intervene operation not only can be reinforced vertebral fracture, and vertebral body metastatic tumo(u)r, vertebral body hemangioma, multiple myeloma etc. are all had good therapeutic effect.
The medical apparatus and instruments that bone cement is injected human body becomes Bone cement gun, bone cement syringe or bone cement propeller etc.In the prior art, when carrying out vertebral body plastic operation, penetrate vertebral body with a puncture needle earlier, the bone cement syringe that bone cement will be housed again directly is connected the back of puncture needle, thus bone cement is injected in the vertebral body.Yet, in the prior art, owing to can only under bone cement gruel sample state, advance, just require the operating time short, in case bone cement solidifies, and this problem of bringing of operation to be clinical easy generation bone cement reverse goes into blood or the excessive zone to vertebral bodys such as canalis spinalis of bone cement, can bring life danger to the patient when serious.Moreover owing to inject in propulsive mode, and the operating time is short, and the doctor is difficult to control to the injection rate of bone cement, and in case after to a certain degree sclerosis has taken place bone cement, it is very difficult that its propelling will become.
At the problems referred to above, medical circle, especially medical clinical field, generally a kind of bone cement propulsion plant that is more suitable for using in vertebral body plastic operation appears in expectation.
[utility model content]
The purpose of this utility model is to provide a kind of easy to use, bone cement propulsion plant of being easy to control.
For achieving the above object, this utility model provides a kind of bone cement propulsion plant that is used for vertebral body plastic operation, and it comprises sleeve pipe and can be with respect to the promotion part of sleeve pipe axially-movable, and the termination of promotion part is provided with piston.Telescopic rear end is provided with one and has externally threaded back end interface, and the promotion part comprises a screw rod and an operating grip, and its outer cover is provided with a lid with female thread, and this lid is fixed on the sleeve pipe with this telescopic back end interface bolt.By rotating operating handle, this screw rod can be with respect to lid and sleeve pipe axially-movable.
Described telescopic front end is provided with one and has externally threaded front end interface, and coupler is spirally connected on it.
This bone cement propulsion plant also comprises a puncture needle and a connection tube that is connected puncture needle and coupler.
Described connection tube is one to have the bend pipe of certain bending angle and certain-length, it can play cushioning effect on the one hand, operator's power thrusts can be changed into by the back to preceding horizontal injection by from top to down injection in the prior art on the other hand, to avoid overexertion, moreover its hands that can make the operator is away from x-ray.
Compared with prior art, this utility model is because the operation part of bone cement propulsion plant adopts sped structure, so can under bone cement toothpaste sample state, inject, avoided the excessive or reverse risk of going into blood of bone cement to greatest extent, and it is simple, laborsaving to operate.
[description of drawings]
Below in conjunction with drawings and Examples this utility model is further specified:
Fig. 1 is the combination sketch map of this utility model one preferred embodiment.
[specific embodiment]
See also shown in Figure 1ly, the spiral bone cement propulsion plant 1 of this utility model is mainly used in vertebral body plastic operation, and the clinical indication of vertebral body plastic operation mainly comprises in osteoporosis, vertebral body metastatic bone cancer and the vertebral body hemangioma etc.This spiral bone cement propulsion plant 1 mainly comprises syringe 10, puncture needle 20, and the connection tube 30 that connects syringe 10 and puncture needle 20.
Described syringe 10 comprises that a plastic bushing 11, is installed on the coupler 13 that can be connected in sleeve pipe 11 with respect to the promotion part 12, of sleeve pipe 11 motions in the sleeve pipe 11, and a piston 14 that is sheathed on promotion part one end.This sleeve pipe 11 is the hollow tube-shape structure, and its two ends are respectively equipped with one section and have externally threaded interface, and wherein, a preceding termination 112 is used for and coupler 13 bolts, and a back end interface 113 is used for and promotion part 12 bolts.This promotion part 12 comprises that a diameter is slightly less than or equals the screw rod 122 of sleeve pipe 11 internal diameters, one is connected in the operating grip 123 of screw rod 122 1 sides, an and lid 124 that is sheathed on screw rod 122 outsides, have female thread on the lid 124, the radial spacing between itself and the screw rod 122 just holds the back termination 113 of sleeve pipe 11.This screw rod 122 can with respect to lid 124 vertically spiral move.This coupler 13 has female thread, the port size of one end pipe 30 the thickness that is connected.This piston 14 is sheathed on the front end of screw rod 122, has a sealing ring 142 on it, and this piston 14 can be followed screw rod 122 and together be moved axially.
Described puncture needle 20 comprises that by the inner core 23 that passes the metal needle tubing 22, this inner core 23 has the part needle point to expose outside metal needle tubing 22 for thrusting skeleton to the metal needle tubing 22 and that a plastic cement handle 21, extends out via handle 21 in plastic cement handle 21.
Described connection tube 30 can be but be not limited to a plastic conduit, this connection tube 30 is one to have the bend pipe of certain bending angle, the one end is connected in the coupler 13 of syringe 10 by a union joint 31 integrated with it, connected mode can be but be not limited to be spirally connected or interference engagement etc., the other end is in order to inserting the handle 21 of puncture needle 20, and then communicates with needle tubing 22.
During assembling, with lid 124 rotation sets outside screw rod 122; Piston 14 is pressed in screw rod 122 front ends, and seals the front end of screw rod 122; Again coupler 13 is screwed on the preceding termination 112 of sleeve pipe 11; Promotion part 12 is inserted the inner chamber of sleeve pipe 11, at this moment, the lid 124 of screw rod 122 outsides is because can be fixed on the sleeve pipe 11 with back end interface 113 bolts of sleeve pipe 11 again; Promptly finish the assembling of syringe 10.During use, need in sleeve pipe 11, to inject earlier bone cement, promotion part 12 and lid 124 are installed again.
During clinical practice, thrust the human body bone cavity with puncture needle 20 earlier, an end of connection tube 30 is inserted the needle tubing 22 of puncture needle 20 again, the other end links to each other with syringe 10 by union joint 31, will inject bone cement in the syringe 10 again.So when rotating the operating grip 123 of promotion part 12, screw rod 122 is axial advancement in sleeve pipe 11, piston 14 promotes bone cements and extrudes from coupler 13, enters the human body bone cavity via connection tube 30.
It should be noted that, be carved with graduation mark (not shown) on the sleeve pipe 11, rotating operating handle one circle, the promotion part 12 fixed scale value of advancing is so the operator can calculate the number of turns of rotating operating handle 123 according to scale value.In addition, connection tube 30 can play cushioning effect on the one hand in whole device, on the other hand because it is a bend pipe, so operator's power thrusts can be changed into by back preceding horizontal injection extremely, to avoid overexertion by from top to down injection in the prior art; Moreover, because it has certain-length, so the hands that can make the operator is away from x-ray.
Compared with prior art, the utility model is because the angle of rake operation part of bone cement adopts spiral Structure so can inject under bone cement toothpaste sample state, has been avoided outside the bone cement to greatest extent Overflow or the reverse risk that enters blood, and it is simple, laborsaving to operate.
Claims (8)
1. spiral bone cement propulsion plant, it comprises sleeve pipe and can be with respect to the promotion part of sleeve pipe axially-movable, the termination of promotion part is provided with piston, it is characterized in that: described telescopic rear end is provided with one and has externally threaded back end interface, described promotion part comprises a screw rod and an operating grip, its outer cover is provided with a lid with female thread, this lid and described telescopic back end interface bolt and be fixed on the sleeve pipe, by rotating operating handle, this screw rod can be with respect to lid and sleeve pipe axially-movable.
2. bone cement propulsion plant as claimed in claim 1 is characterized in that: described telescopic front end is provided with one and has externally threaded front end interface, and coupler is spirally connected on it.
3. bone cement propulsion plant as claimed in claim 2 is characterized in that: this device also comprises a puncture needle and a connection tube that is connected puncture needle and coupler.
4. bone cement propulsion plant as claimed in claim 3 is characterized in that: described connection tube is one to have the bend pipe of certain bending angle.
5. as claim 1 or 3 described bone cement propulsion plants, it is characterized in that: be carved with graduation mark on the described sleeve pipe.
6. as claim 1 or 3 described bone cement propulsion plants, it is characterized in that: described piston is provided with sealing ring.
7. bone cement propulsion plant as claimed in claim 4 is characterized in that: described puncture needle comprises that needle tubing and mobilizable plug advance/go out the nook closing member of needle tubing.
8. bone cement propulsion plant as claimed in claim 7 is characterized in that: described connection tube one end directly inserts needle tubing, and the other end joins by a union joint and coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520048273 CN2882555Y (en) | 2005-12-29 | 2005-12-29 | Spiral bone cement propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520048273 CN2882555Y (en) | 2005-12-29 | 2005-12-29 | Spiral bone cement propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2882555Y true CN2882555Y (en) | 2007-03-28 |
Family
ID=37955616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520048273 Expired - Fee Related CN2882555Y (en) | 2005-12-29 | 2005-12-29 | Spiral bone cement propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2882555Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102232860A (en) * | 2010-04-26 | 2011-11-09 | 邵卫星 | Bone cement injector and method for filling bone cement into same |
| CN102319706A (en) * | 2011-05-07 | 2012-01-18 | 李林风 | Indwelling catheter embolism clearing device based on negative pressure suction principle |
| CN102423762A (en) * | 2011-08-03 | 2012-04-25 | 李林风 | Improved indwelling catheter embolism clearing device and assembling method thereof |
| CN103251443A (en) * | 2012-02-16 | 2013-08-21 | 上海康德莱企业发展集团医疗器械有限公司 | Bone cement pushing and injecting pump |
| CN103957829A (en) * | 2011-09-16 | 2014-07-30 | 德普伊新特斯产品有限责任公司 | Cement injector and cement injector connectors, and bone cement injector assembly |
| CN104840244A (en) * | 2015-05-26 | 2015-08-19 | 周友龙 | Targeted bone cement injection device |
| CN104873264A (en) * | 2015-06-09 | 2015-09-02 | 刘训伟 | Resin type bone cement and calcium phosphate bone cement combined pouring equipment |
| CN106580420A (en) * | 2016-11-23 | 2017-04-26 | 安徽奥弗智能微创医疗器械有限公司 | Automatic propeller of bone cement |
| CN107280738A (en) * | 2017-07-18 | 2017-10-24 | 邹志亭 | Vertebral body plastic operation（PVP puncture needle) is used |
| CN113274113A (en) * | 2021-04-26 | 2021-08-20 | 北京铸正机器人有限公司 | Remote control bone cement pours into device into |
-
2005
- 2005-12-29 CN CN 200520048273 patent/CN2882555Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102232860A (en) * | 2010-04-26 | 2011-11-09 | 邵卫星 | Bone cement injector and method for filling bone cement into same |
| CN102319706A (en) * | 2011-05-07 | 2012-01-18 | 李林风 | Indwelling catheter embolism clearing device based on negative pressure suction principle |
| CN102423762A (en) * | 2011-08-03 | 2012-04-25 | 李林风 | Improved indwelling catheter embolism clearing device and assembling method thereof |
| CN103957829B (en) * | 2011-09-16 | 2016-09-21 | 德普伊新特斯产品有限责任公司 | Bone cement infusion appliance and bone cement infusion appliance adapter, and bone cement injector assembly |
| CN103957829A (en) * | 2011-09-16 | 2014-07-30 | 德普伊新特斯产品有限责任公司 | Cement injector and cement injector connectors, and bone cement injector assembly |
| CN103251443A (en) * | 2012-02-16 | 2013-08-21 | 上海康德莱企业发展集团医疗器械有限公司 | Bone cement pushing and injecting pump |
| CN104840244A (en) * | 2015-05-26 | 2015-08-19 | 周友龙 | Targeted bone cement injection device |
| CN104873264A (en) * | 2015-06-09 | 2015-09-02 | 刘训伟 | Resin type bone cement and calcium phosphate bone cement combined pouring equipment |
| CN104873264B (en) * | 2015-06-09 | 2016-12-07 | 刘训伟 | For resinae bone cement and the equipment of calcium phosphate bone cement combined injection |
| CN106580420A (en) * | 2016-11-23 | 2017-04-26 | 安徽奥弗智能微创医疗器械有限公司 | Automatic propeller of bone cement |
| CN106580420B (en) * | 2016-11-23 | 2023-04-11 | 安徽奥弗智能微创医疗器械集团有限公司 | Automatic propeller for bone cement |
| CN107280738A (en) * | 2017-07-18 | 2017-10-24 | 邹志亭 | Vertebral body plastic operation（PVP puncture needle) is used |
| CN113274113A (en) * | 2021-04-26 | 2021-08-20 | 北京铸正机器人有限公司 | Remote control bone cement pours into device into |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070328 Termination date: 20100129 |