CN104840244A - Targeted bone cement injection device - Google Patents
Targeted bone cement injection device Download PDFInfo
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- CN104840244A CN104840244A CN201510274512.1A CN201510274512A CN104840244A CN 104840244 A CN104840244 A CN 104840244A CN 201510274512 A CN201510274512 A CN 201510274512A CN 104840244 A CN104840244 A CN 104840244A
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- Prior art keywords
- targeting
- bone cement
- targeted
- sleeve
- spring
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- 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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- 239000002639 bone cement Substances 0.000 title claims abstract description 57
- 238000002347 injection Methods 0.000 title abstract description 10
- 239000007924 injection Substances 0.000 title abstract description 10
- 230000008685 targeting Effects 0.000 claims description 90
- 239000000463 material Substances 0.000 claims description 9
- 238000002372 labelling Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 230000002146 bilateral effect Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 208000001164 Osteoporotic Fractures Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 206010039722 scoliosis Diseases 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- 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
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
-
- 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
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
- A61B17/8811—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the introducer tip, i.e. the part inserted into or onto the bone
-
- 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
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
- A61B17/8816—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the conduit, e.g. tube, along which fluid flows into the body or by conduit connections
-
- 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
- A61B17/885—Tools for expanding or compacting bones or discs or cavities therein
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a targeted bone cement injection device which comprises a path opening device, a guide needle, a bone cement injector, a targeted guide tube and a soft expanding drill. The path opening device comprises a path opening device sleeve and a path opening device puncture needle inserted in the path opening device sleeve in a sleeved manner, the targeted guide tube comprises a tube body and a targeted handle fixed at the rear end of the tube body, a targeted opening is formed in one side of the front end of the tube body, a guide portion is arranged at the end of the tube body on one side of the targeted opening, a targeted mark is arranged at one end of the targeted handle, the targeted mark and the targeted opening are positioned on the same side of the tube body,and the soft expanding drill comprises a spring and a drill bit fixed at the front end of the spring. The targeted bone cement injection device has the advantages of simplicity in surgical operation and capability of enabling bone cement to spread toward two sides of a centrum to enable the bone cement in the centrum to be uniform and effective in distribution and less prone to leakage.
Description
Technical field:
The present invention relates to technical field of medical instruments, specifically relate to a kind of targeting bone cement infusing device.
Background technology:
Vertebroplasty and balloon kyphoplasty evident in efficacy in the treatment of osteoporotic fracture, achieve in clinical and apply widely.This modus operandi has one-sided and Bilateral injections two kinds.Unilateral injection operating time is shorter, amount of radiation is less, short run effect is close with Bilateral injections, but Unilateral injection bone cement skewness in vertebral body, often concentrate on side, Shortcomings on mechanics, may side collapse of vertebra be there is because offside support force is weak and causes scoliosis in long term; Bilateral injections clinical efficacy is good, and both sides intensity distributions is comparatively even, both sides relative equilibrium on mechanics, but needs both sides to puncture, and adds operation wound, operating time and radiation dose, and adds the risk of bone cement seepage.In addition, two kinds of injection systems all may make bone cement concentrate on the vertebral body first half or Lower Half, make disease vertebra there is the possibility of second fracture.Therefore it is very necessary for designing a kind of bone cement infusing device that bone cement is evenly distributed in vertebral body.
Summary of the invention:
Object of the present invention is intended to solve prior art Problems existing, provide a kind of operation technique simple, bone cement can be made to spread to vertebral body both sides, make bone cement in vertebral body all reach evenly effectively distribution up and down and the targeting bone cement infusing device of not easy to leak.
The present invention relates to a kind of targeting bone cement infusing device, comprise open circuit device, guide pin and bone cement injector, described open circuit device comprises open circuit device sleeve pipe and the open circuit device pricker of sleeve in described open circuit device sleeve pipe; Described targeting bone cement infusing device also comprises targeting conduit and soft counterboring, described targeting conduit comprises body and is fixed on the targeting handle of described body rear end, the side, front end of body offers targeting opening, the body end of described targeting opening side is provided with guide part, one end of described targeting handle is provided with targeting labelling, and described targeting labelling and targeting opening are positioned at the same side of body; Described soft counterboring comprises spring and is fixed on the drill bit of described spring at front end.
Preferred as such scheme, described bone cement injector is that structure injected by spiral, what it comprised that socket coordinates inject bar and propelling sleeve and be arranged on described propelling sleeve front end and connect with propelling sleeve inject flexible pipe, described flexible pipe of injecting is that polythene material is made, described rear end of injecting bar is provided with and injects handle, the lateral wall of front end is provided with external screw thread, described medial wall of injecting sleeve is provided with the female thread coordinated with described external screw thread, and described female thread and the propelling sleeve lateral wall of injecting between flexible pipe are provided with graduation mark.
Preferred as such scheme, described soft counterboring also comprises connecting rod and is fixedly installed on the counterboring handle of described connecting rod rear end, and spring is fixedly connected on the front end of connecting rod.
Preferred as such scheme, described spring is stainless steel spring, and the length of spring is 3-4cm.
Preferred as such scheme, described drill bit is hard steel material, and the length of drill bit is 3-4mm.
Preferred as such scheme, described targeting opening is circular arc opening, and the described initiating terminal of circular arc opening becomes 140-150 degree angle with the line of top with targeting conduit.
Preferred as such scheme, described guide part is rigid material, and guide part has arc-shaped side near the side of circular arc opening, and guide part front end outer side center offers and guides pin through hole.
Preferred as such scheme, described targeting conduit is hollow-core construction, and its rear end offers the through hole for the soft counterboring of sleeve, and targeting handle is fixedly installed on the targeting conduit outside described through hole.
By such scheme, the present invention at least has the following advantages: the present invention has by arranging front end the targeting conduit that guide part and side, front end offer targeting opening, one end has the soft counterboring of spring and drill bit, soft counterboring injects in the process of targeting conduit, drill bit stretches out targeting opening, promote drill bit after spring turns round to move on, thus expansion marrow is carried out to the side of vertebral body, the direction of targeting opening is changed by operation targeting handle, soft counterboring is made to expand marrow to the different directions of vertebral body, thus bone cement injector can be injected in vertebral body central authorities, bone cement is spread to both sides, operation technique is simple, bone cement distributes more even in vertebral body both sides, mechanics can reach both sides relative equilibrium, bone cement in vertebral body is made all to reach evenly effectively distribution up and down and not easy to leak.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing illustrates:
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is one side bone cement injection distribution schematic diagram in prior art;
Fig. 2 is that the present invention opens a way the structural representation of device;
Fig. 3 is the structural representation that the present invention guides pin;
Fig. 4 is the structural representation of targeting conduit of the present invention;
Fig. 5 is the structural representation of the soft counterboring of the present invention;
Fig. 6 is the structural representation of bone cement injector of the present invention;
Fig. 7 is work process schematic diagram of the present invention.
Detailed description of the invention:
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
See Fig. 1 to Fig. 6, a kind of targeting bone cement infusing device of the present invention, comprises open circuit device 1, guides pin 2 and bone cement injector 3, and described open circuit device 1 comprises open circuit device sleeve pipe 11 and the open circuit device pricker 12 of sleeve in described open circuit device sleeve pipe 11, described targeting bone cement infusing device also comprises targeting conduit 4 and soft counterboring 5, described targeting conduit 4 comprises body 41 and is fixed on the targeting handle 42 of described body 41 rear end, the side, front end of body 41 offers targeting opening 6, body 41 end of described targeting opening 6 side is provided with guide part 7, one end of described targeting handle 42 is provided with targeting labelling 8, described targeting labelling 8 and targeting opening 6 are positioned at the same side of body 41, targeting handle 42 is convenient to targeting conduit 4 and is stretched in vertebral body 9 and the direction being convenient to adjust targeting opening 6, targeting labelling 8 convenient operation personnel understand the direction of targeting opening 6, described soft counterboring 5 comprises spring 51 and is fixed on the drill bit 52 of described spring 51 front end.
Further, described bone cement injector 3 injects structure for spiral, what it comprised that socket coordinates inject bar 31 and propelling sleeve 32 and be arranged on described propelling sleeve 32 front end and connect with propelling sleeve 32 inject flexible pipe 33, the described plastic flexible pipe 33 of injecting flexible pipe 33 and making for polythene material, plastic flexible pipe 33 is convenient to the different thruster note bone cements to vertebral body 9, described rear end of injecting bar 31 is provided with injects handle 34, the lateral wall of front end is provided with external screw thread (not shown), described medial wall of injecting sleeve 32 is provided with the female thread 321 coordinated with described external screw thread, the spiral that internal and external threads coordinates inject to be convenient to when structure makes bone cement inject control and be conducive to bone cement inject before stirring and propelling sleeve 32 in inject pressure, described female thread 321 and propelling sleeve 32 lateral wall of injecting between flexible pipe 33 are provided with graduation mark 35.
Further, described soft counterboring 5 also comprises connecting rod 53 and is fixedly installed on the counterboring handle 54 of described connecting rod 53 rear end, and the expansion marrow that soft counterboring 5 carries out vertebral body 9 is convenient in the setting of counterboring handle 54, and spring 51 is fixedly connected on the front end of connecting rod 53.
Further, described spring 51 is stainless steel spring 51, and the length of spring 51 is 3-4cm, in the present embodiment, and the long 4cm of spring 51.
Further, described drill bit 52 is hard steel material, and the length of drill bit 52 is 3-4mm, and in the present embodiment, drill bit 52 is long drill bit and long 4mm.
Further, described targeting opening 6 is circular arc opening 6, the described initiating terminal of circular arc opening 6 becomes 140-150 degree angle with the line of top with targeting conduit.
Further, described guide part 7 is rigid material, guide part 7 has arc-shaped side 71 near the side of circular arc opening 6, and being provided with of guide part 7 is beneficial to soft counterboring 5 and carries out expansion marrow towards the direction of targeting opening 6, and guide part 7 front end outer side center offers and guides pin through hole 72.
Further, described targeting conduit 4 is hollow-core construction, and its rear end offers the through hole 43 for the soft counterboring of sleeve, and targeting handle 42 is fixedly installed on the targeting conduit 4 outside described through hole 43.
See Fig. 7, the job step of targeting bone cement infusing device of the present invention is:
1) determine to damage pedicle locations, open circuit device 1 is stretched into vertebral body 9;
2) in open circuit device sleeve pipe 11, open circuit device pricker 12 is extracted, retain open circuit device sleeve pipe 11 in vivo, then insert in open circuit device sleeve pipe 11 and guide pin 2;
3) open circuit device sleeve pipe 11 is removed, retain and guide pin 2 in vivo, then under the guiding guiding pin 2, utilize the guiding pin through hole 72 on targeting conduit 4 to insert targeting conduit 4, the targeting opening 6 on targeting conduit 4 is adjusted to the position needing to carry out expanding marrow by operation targeting handle 42;
4) guiding pin 2 is extracted, retain targeting conduit 4 in vertebral body 9 as service aisle, insert in targeting conduit 4 with soft counterboring 5, soft counterboring 5 enters in the process of targeting conduit 4, drill bit 52 stretches out targeting opening 6, promotes drill bit 52 and move on after spring 51 turns round, thus carries out expansion marrow to the side of vertebral body 9, changed the direction of targeting opening 6 by operation targeting handle 42, make soft counterboring 5 expand marrow to the opposite side of vertebral body 9;
5) carrying out both sides to vertebral body 9 expands after marrow completes, take out soft counterboring 5, and retain targeting conduit 4 in vertebral body 9, bone cement injector 3 is entered to targeting conduit 4 interpolation, (if desired, carry out bone cement again after balloon expandable system can be utilized to carry out balloon expandable to vertebral body 9 to inject), the flexible pipe 33 of injecting of bone cement injector 3 stretches out targeting opening 6 and injects bone cement to the side cavity spiral expanded by soft counterboring 5, remove bone cement injector 3 again, then the direction that operation targeting handle 42 changes targeting opening 6 makes targeting opening 6 point to the position of soft counterboring 5 first time expansion marrow, and then insert bone cement injector 3, in like manner bone cement is injected to vertebral body 9 opposite side cavity spiral, so far, bone cement is successfully distributed in the relative both sides in vertebra 9 body.
In sum, operation technique of the present invention is simple, bone cement injector 3 can be made to inject in vertebral body central authorities, bone cement is spread to both sides, distribute in vertebral body 9 both sides more even, mechanics can reach both sides relative equilibrium, make bone cement in vertebral body 9 all reach evenly effectively distribution up and down and not easy to leak.
A kind of targeting bone cement infusing device provided by the present invention; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within scope.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (8)
1. a targeting bone cement infusing device, comprise open circuit device (1), guide pin (2) and bone cement injector (3), described open circuit device (1) comprises open circuit device sleeve pipe (11) and the open circuit device pricker (12) of sleeve in described open circuit device sleeve pipe (11), it is characterized in that: described targeting bone cement infusing device also comprises targeting conduit (4) and soft counterboring (5), described targeting conduit (4) comprises body (41) and is fixed on the targeting handle (42) of described body (41) rear end, the side, front end of body (41) offers targeting opening (6), body (41) end of described targeting opening (6) side is provided with guide part (7), one end of described targeting handle (42) is provided with targeting labelling (8), described targeting labelling (8) and targeting opening (6) are positioned at the same side of body (41), described soft counterboring (5) comprises spring (51) and is fixed on the drill bit (52) of described spring (51) front end.
2. a kind of targeting bone cement infusing device according to claim 1, it is characterized in that: described bone cement injector (3) injects structure for spiral, what it comprised that socket coordinates inject bar (31) and propelling sleeve (32) and be arranged on described propelling sleeve (32) front end and connect with propelling sleeve (32) inject flexible pipe (33), describedly inject flexible pipe (33) for polythene material and make, described rear end of injecting bar (31) is provided with injects handle (34), the lateral wall of front end is provided with external screw thread, described medial wall of injecting sleeve (32) is provided with the female thread (321) coordinated with described external screw thread, described female thread (321) and propelling sleeve (32) lateral wall of injecting between flexible pipe (33) are provided with graduation mark (35).
3. a kind of targeting bone cement infusing device according to claim 1, it is characterized in that: described soft counterboring (5) also comprises connecting rod (53) and is fixedly installed on the counterboring handle (54) of described connecting rod (53) rear end, and spring (51) is fixedly connected on the front end of connecting rod (53).
4. a kind of targeting bone cement infusing device according to claim 3, is characterized in that: described spring (51) is stainless steel spring, and the length of spring (51) is 3-4cm.
5. a kind of targeting bone cement infusing device according to claim 4, it is characterized in that: described drill bit (52) is hard steel material, the length of drill bit (52) is 3-4mm.
6. a kind of targeting bone cement infusing device according to claim 1, it is characterized in that: described targeting opening (6) is circular arc opening (6), and the described initiating terminal of circular arc opening (6) becomes 140-150 degree angle with the line of top with targeting conduit.
7. a kind of targeting bone cement infusing device according to claim 6, it is characterized in that: described guide part (7) is rigid material, guide part (7) has arc-shaped side (71) near the side of circular arc opening (6), and guide part (7) front end outer side center offers and guides pin through hole (72).
8. a kind of targeting bone cement infusing device according to claim 1, it is characterized in that: described targeting conduit (4) is hollow-core construction, and its rear end offers the through hole (43) for the soft counterboring of sleeve (5), targeting handle (42) is fixedly installed on the targeting conduit (4) in described through hole (43) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274512.1A CN104840244A (en) | 2015-05-26 | 2015-05-26 | Targeted bone cement injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274512.1A CN104840244A (en) | 2015-05-26 | 2015-05-26 | Targeted bone cement injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104840244A true CN104840244A (en) | 2015-08-19 |
Family
ID=53840513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510274512.1A Pending CN104840244A (en) | 2015-05-26 | 2015-05-26 | Targeted bone cement injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104840244A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105286976A (en) * | 2015-09-18 | 2016-02-03 | 北京市富乐科技开发有限公司 | Puncture bone grafting system |
| CN105559851A (en) * | 2015-12-21 | 2016-05-11 | 武汉康斯泰德科技有限公司 | Filling type metal bone pin |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2882555Y (en) * | 2005-12-29 | 2007-03-28 | 陈亚平 | Spiral bone cement propeller |
| CN201150561Y (en) * | 2007-11-30 | 2008-11-19 | 叶立民 | Bone cement injection syringe |
| CN102008345A (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 injector for minimally invasive surgery |
| CN103251445A (en) * | 2013-04-19 | 2013-08-21 | 南京医科大学第一附属医院 | Device for operating vertebroplasty through unilateral vertebral pedicle |
| CN204744382U (en) * | 2015-05-26 | 2015-11-11 | 周友龙 | Device is injected to target bone cement |
-
2015
- 2015-05-26 CN CN201510274512.1A patent/CN104840244A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2882555Y (en) * | 2005-12-29 | 2007-03-28 | 陈亚平 | Spiral bone cement propeller |
| CN201150561Y (en) * | 2007-11-30 | 2008-11-19 | 叶立民 | Bone cement injection syringe |
| CN102008345A (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 injector for minimally invasive surgery |
| CN103251445A (en) * | 2013-04-19 | 2013-08-21 | 南京医科大学第一附属医院 | Device for operating vertebroplasty through unilateral vertebral pedicle |
| CN204744382U (en) * | 2015-05-26 | 2015-11-11 | 周友龙 | Device is injected to target bone cement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105286976A (en) * | 2015-09-18 | 2016-02-03 | 北京市富乐科技开发有限公司 | Puncture bone grafting system |
| CN105559851A (en) * | 2015-12-21 | 2016-05-11 | 武汉康斯泰德科技有限公司 | Filling type metal bone pin |
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Application publication date: 20150819 |