CN105534564B - Marrow cavity bone cement extractor - Google Patents
Marrow cavity bone cement extractor Download PDFInfo
- Publication number
- CN105534564B CN105534564B CN201610103678.1A CN201610103678A CN105534564B CN 105534564 B CN105534564 B CN 105534564B CN 201610103678 A CN201610103678 A CN 201610103678A CN 105534564 B CN105534564 B CN 105534564B
- Authority
- CN
- China
- Prior art keywords
- bone cement
- drill bit
- fragment
- memotron
- drive link
- 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
Links
- 239000002639 bone cement Substances 0.000 title claims abstract description 65
- 239000012634 fragment Substances 0.000 claims abstract description 47
- 239000011796 hollow space material Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims 2
- 210000000988 bone and bone Anatomy 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000001054 cortical effect Effects 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 210000000515 tooth Anatomy 0.000 description 16
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- 206010071229 Procedural haemorrhage Diseases 0.000 description 1
- 208000031482 Prosthesis-Related Infections Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000011540 hip replacement Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 208000011354 prosthesis-related infectious disease Diseases 0.000 description 1
- 239000007787 solid Substances 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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1664—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the hip
- A61B17/1668—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the hip for the upper femur
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1622—Drill handpieces
- A61B17/1624—Drive mechanisms therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/164—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans intramedullary
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4607—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of hip femoral endoprostheses
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2002/4619—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof for extraction
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Dentistry (AREA)
- Transplantation (AREA)
- Physical Education & Sports Medicine (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a medullary cavity bone cement extractor which comprises a tubular drill bit and a driving device, wherein the driving device is connected with the drill bit and drives the drill bit to rotate around the axis of the driving device, and a plurality of protruding excavating teeth surrounding the tube wall are arranged at the top of the tube wall at the front end of the drill bit. The invention has the technical effects that the connecting transmission rod can be changed in direction at will and is suitable for different types of medullary cavities. The head of the tubular saw blade is deviated to the inner side, so that cortical bone can be avoided, bone cement is only cut in the process of propelling and cutting, and the cortical bone cannot be damaged. The cut bone cement is moved up, squeezed and stored in the tubular storage tube. When the bone cement is taken out or the storage is full, the storage tube is provided with an extruding device which can extrude the gathered bone cement fragments at one time.
Description
Technical field
The present invention relates to the pulp cavitys of used femur in medical instruments field more particularly to hip revision operation
Bone cement extractor.
Background technology
Hip revision is performed the operation：Hip revision operation is the common surgical of joint surgery, is mainly used in hip replacement
Afterwards, the patient of Prosthesis related infections loosening or aseptic loosening.Arrival with Chinese aging society and joint surgery
Development needs the patient that row hip revision is performed the operation to increase year by year.Revision procedure difficulty is big, if the previous femur used of performing the operation
Handle prosthese is bone cement prosthese, and the cleaning and taking-up of original bone cement are a major challenge in femoral bone cavitas medullaris in overhaul technology.
In overhaul technology, the remaining bone cement of femoral bone cavitas medullaris must thorough cleaning, existing bone cement removal equipment includes：Marrow
Chamber round bur, pulp cavity directly bore, curet, pulp cavity osteotome, pulp cavity finger pin, splitting knife, nucleus pulposus clamp etc..Existing apparatus is asked there are several
Topic, first, drill bit be solid round bur or it is straight bore, can only cement in crush and grind pulp cavity, cause pulp cavity local pressure excessive, be easy
Femoral cortex perforation or fracture occurs.Second, connecting rod is strip stiff rod, is unfavorable for turning to, and causes to be easy when drill bit burr
It grinds in the femoral shaft cortex of part, the preferable guider of neither one can adjust burr direction, and femoral cortex is caused to be worn
Hole or fracture.In addition, existing apparatus cannot easily take out while destroying pulp cavity bone cement, need replacing instrument again
Secondary taking-up, and cement block may be caused mobile to femoral bone cavitas medullaris distal end.
Since femoral bone cavitas medullaris is deep narrow, part bone cement is hard and locked engagement in femoral cortex, art by existing
Instrument easily causes the destruction of femoral cortex, perforation even fracture of femoral shaft when clearing up.Once occur femoral cortex perforation or
Person fractures, and can greatly increase operating time, increase operative hemorrhage and jointing repair prosthesis is caused to fix difficulty, influence surgical effect.Cause
This, how original bone cement in faster safer cleaning femoral bone cavitas medullaris be hip revision operation difficult point and key.
Invention content
In view of the defect of existing apparatus and technology, the object of the present invention is to provide a kind of simple in structure, easy to operate, reliable
Property it is high and integrate cutting and clear up the pulp cavity bone cement extractor of bone cement.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of pulp cavity bone cement extractor, includes the drill bit and driving device of tubulose, and the driving device connects drill bit
And driving drill bit around own axes rotation, the drill bit is equipped with the tooth of multiple protrusions at the top of the tube wall of front end.
The central axes of a kind of pulp cavity bone cement extractor, the excavation teeth directional drill bit tilt.
A kind of pulp cavity bone cement extractor, the driving device include power source and drive link, and described is dynamic
Power source connects drive link by worm drive and drives drive link around own axes rotation, and the drive link connects drill bit and band
Dynamic drill bit rotation.
A kind of pulp cavity bone cement extractor, the drive link are flexible metal hose.
A kind of pulp cavity bone cement extractor is further connected with flush pipe and suction tube on the drill bit, and described rushes
Pipe one end connection external water source is washed, the other end passes through drive link hollow space from power source and extends to the hollow portion of drill bit
Point, the external negative pressure source of described suction tube one end connection, the other end passes through drive link hollow space and is extended to from power source
The hollow space of drill bit.
A kind of pulp cavity bone cement extractor is connected with the storage of bone cement fragment between the drill bit and drive link
Pipe, the bone cement fragment memotron is interior to be equipped with fragment identical with memotron internal diameter size discharge block, memotron
Outer wall is equipped with fragment and block moving member is discharged, and fragment discharge block moving member connection fragment discharge block simultaneously drives fragment discharge block to move
It is dynamic.
A kind of pulp cavity bone cement extractor, the fragment discharge block moving member include slide key, sliding groove and
Through slot, the sliding groove are set on the outer wall of bone cement fragment memotron, and through slot is set in sliding groove and penetrates through
The outer wall of bone cement fragment memotron, slide key is set in sliding groove and block moving member is discharged across through slot connection fragment, sliding
The surface of dynamic key and the width for being less than sliding groove not higher than outer surface of tube wall and diameter.
A kind of pulp cavity bone cement extractor, further includes slide handle, the slide handle includes handle and set
Cylinder, one end of the sleeve are fixed on handle, and the internal diameter of the other end of sleeve and the diameter of slide key match to be set with
Slide key is moved on slide key.
A kind of pulp cavity bone cement extractor is further connected with flush pipe and suction tube on the drill bit, and described rushes
Pipe one end connection external water source is washed, the other end passes through drive link hollow space from power source and extends to the storage of bone cement fragment
The hollow space of pipe, the external negative pressure source of described suction tube one end connection, the other end pass through drive link hollow portion from power source
Divide and extend to the hollow space of bone cement fragment memotron
The technical effects of the invention are that connection drive link can arbitrarily change direction, different types of pulp cavity is adapted to.Pipe
The head of shape saw blade is biased to inside, can avoid cortex of bone, and a cutting bone cement, will not make cortex of bone during promoting and cutting
At damage.The bone cement of cutting, which will pass through, to be moved up, squeezes, and is stored in tubulose memotron.Bone cement taking-up is finished or is stored
When having expired, memotron has pressurizing unit, can disposably squeeze out assembled bone cement fragment.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the schematic diagram 1 of tooth of the present invention；
Fig. 3 is the schematic diagram 2 of tooth of the present invention；
Fig. 4 is the schematic diagram 3 of tooth of the present invention；
Fig. 5 is the bone cement fragment memotron structural schematic diagram of the present invention；
Fig. 6 is the slide handle structural schematic diagram of the present invention；
Wherein 1 is bone cement fragment memotron, and 2 are discharged block for fragment, 3 is sliding groove, 4 is through slot, 5 is slide key, 6
It is sleeve for handle, 7,8 be drill bit, 9 be power source, 10 be tooth, 11 be flush pipe, 12 be suction tube, 13 is bone cement
Fragment memotron, 14 are drive link.
Specific implementation mode
Referring to Fig. 1, the present invention includes the drill bit and driving device of tubulose, and driving device connection drill bit simultaneously drives drill bit around certainly
Body axis rotation, drill bit are equipped with the tooth of multiple protrusions at the top of the tube wall of front end.
In order to avoid generating damage to cortex of bone when crushing bone cement, the central axes for excavating teeth directional drill bit tilt.
Referring to Fig. 2, Fig. 3, Fig. 4, in order to realize that the central axes for excavating teeth directional drill bit tilt, present invention employs different realities
The mode of showing, this three width schematic diagram only extract a conduct signal in all tooths, i.e., are seen from the side of tooth
Examine seen excavation odontoid.
In wherein Fig. 2, tooth tilts 3-10 ° since root to the central axes of drill bit, and tooth is integrally without radian；
In Fig. 3, tooth is also that the central axes since root to drill bit tilt, the line and drill bit of crown and root
Central axes are in 3-10 ° of angle, while tooth is whole with cambered；
In Fig. 4, tooth is the axis parallel with drill bit from root, and tip portions are tilted to the central axes of drill bit,
The central axes of the line and drill bit of crown and root are also the angle in 3-10 °, while crown sloping portion band is cambered；
Above-mentioned Fig. 2-Fig. 4 gives corresponding different embodiment forms, but is not limited to implementation above form, this field skill
The equivalent oblique form that art personnel are envisioned that also should be regarded as protection scope of the present invention.
The driving device that the present embodiment uses includes power source and drive link, and power source connects drive link by worm drive
And driving drive link around own axes rotation, drive link connection drill bit simultaneously drives drill bit rotation, to realize to bone cement in pulp cavity
Excavation.
Change excavation direction to enable drill bit to change with pulp cavity, the drive link of the present embodiment is that flexible metal is soft
Pipe, metal hose have preferable intensity in the axial direction, and drill bit can be pushed to go deep into pulp cavity.
In order to rinse pulp cavity, flush pipe and suction tube are further connected on drill bit, flush pipe one end connects external water source, the other end
Drive link hollow space is passed through from power source and extends to the hollow space of drill bit, the external negative pressure source of suction tube one end connection,
The other end passes through drive link hollow space from power source and extends to the hollow space of drill bit, and flush pipe is to the watery blood in pulp cavity
And residue etc. is rinsed, suction tube siphons away flushing water, in order to surgical procedure.
In order to allow bone cement fragment smoothly to take out and empty out of pulp cavity, bone cement is connected between drill bit and drive link
Fragment memotron, bone cement fragment memotron is interior to be equipped with fragment identical with memotron internal diameter size discharge block, memotron
Outer wall be equipped with fragment be discharged block moving member, fragment discharge block moving member connection fragment discharge block simultaneously drive fragment discharge block move
It is dynamic.
Further, fragment discharge block moving member includes slide key, sliding groove and through slot, and the sliding groove is set to
On the outer wall of bone cement fragment memotron, through slot is set in sliding groove and penetrates through the outer wall of bone cement fragment memotron, sliding
Dynamic key is set in sliding groove and is discharged block moving member across through slot connection fragment, the surface of slide key be not higher than tube wall appearance
Face and diameter are less than the width of sliding groove, can guarantee drill bit when rotated in this way, slide key will not hit pulp cavity wall.
For the ease of pushing slide key, the present embodiment to be additionally provided with slide handle, the slide handle includes handle and set
Cylinder, one end of the sleeve are fixed on handle, and the internal diameter of the other end of sleeve and the diameter of slide key match to be set with
Slide key is moved on slide key, after the removing for completing bone cement, drill bit is taken out out of pulp cavity, and slide handle is set with
On slide key, consequently facilitating moving slide key to remove the bone cement in bone cement fragment memotron, sliding is resetted after removing
Key removes slide handle.
According to the embodiment of bone cement fragment memotron, then the outlet setting of flush pipe and suction tube is broken in bone cement
At piece memotron, in order to avoid influence bit operation.
Claims (7)
1. a kind of pulp cavity bone cement extractor, which is characterized in that the drill bit including tubulose and driving device, the driving device
Connection drill bit simultaneously drives drill bit around own axes rotation, and the drill bit is equipped with the digging of multiple protrusions at the top of the tube wall of front end
Dig tooth；
It is connected with bone cement fragment memotron between the drill bit and drive link, is equipped in the bone cement fragment memotron
Block is discharged in fragment identical with memotron internal diameter size, and the outer wall of memotron is equipped with fragment and block moving member, fragment is discharged
Discharge block moving member connection fragment discharge block simultaneously drives fragment discharge block movement；
The fragment discharge block moving member includes slide key, sliding groove and through slot, and the sliding groove is set to bone cement
On the outer wall of fragment memotron, through slot is set in sliding groove and penetrates through the outer wall of bone cement fragment memotron, and slide key is set
In being discharged block moving member in sliding groove and across through slot connection fragment, the surface of slide key with not higher than outer surface of tube wall and straight
Diameter is less than the width of sliding groove.
2. a kind of pulp cavity bone cement extractor according to claim 1, which is characterized in that the excavation teeth directional drill bit
Central axes tilt.
3. a kind of pulp cavity bone cement extractor according to claim 1, which is characterized in that the driving device includes dynamic
Power source and drive link, the power source connect drive link by worm drive and drive drive link around own axes rotation, institute
The drive link stated connects drill bit and drives drill bit rotation.
4. a kind of pulp cavity bone cement extractor according to claim 3, which is characterized in that the drive link is flexible
Metal hose.
5. a kind of pulp cavity bone cement extractor according to claim 1, which is characterized in that be further connected with punching on the drill bit
Pipe and suction tube are washed, described flush pipe one end connects external water source, and the other end passes through drive link hollow space from power source
And the hollow space of drill bit is extended to, the external negative pressure source of described suction tube one end connection, the other end is passed through from power source and is passed
The outlet of lever hollow space and the hollow space for extending to drill bit, flush pipe and suction tube is arranged in bone cement fragment memotron
Place.
6. a kind of pulp cavity bone cement extractor according to claim 1, which is characterized in that further include slide handle, it is described
Slide handle include handle and sleeve, one end of the sleeve is fixed on handle, the internal diameter and cunning of the other end of sleeve
The diameter of dynamic key matches moves slide key to be sleeved on slide key.
7. a kind of pulp cavity bone cement extractor according to claim 1, which is characterized in that be further connected with punching on the drill bit
Pipe and suction tube are washed, described flush pipe one end connects external water source, and the other end passes through drive link hollow space from power source
And the hollow space of bone cement fragment memotron is extended to, described suction tube one end connects external negative pressure source, and the other end is driven
Drive link hollow space is passed through at power source and extends to the hollow space of bone cement fragment memotron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103678.1A CN105534564B (en) | 2016-02-24 | 2016-02-24 | Marrow cavity bone cement extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103678.1A CN105534564B (en) | 2016-02-24 | 2016-02-24 | Marrow cavity bone cement extractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105534564A CN105534564A (en) | 2016-05-04 |
| CN105534564B true CN105534564B (en) | 2018-08-14 |
Family
ID=55814510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610103678.1A Expired - Fee Related CN105534564B (en) | 2016-02-24 | 2016-02-24 | Marrow cavity bone cement extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105534564B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963447B (en) * | 2017-02-27 | 2023-12-19 | 北京爱康宜诚医疗器材有限公司 | Intramedullary canal central device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2229795Y (en) * | 1995-06-06 | 1996-06-26 | 贵阳市第四人民医院 | Pulpiform nucleus trepan cutting and removing implement |
| US5720749A (en) * | 1996-03-18 | 1998-02-24 | Snap-On Technologies, Inc. | Integral reamer apparatus with guide counterbores in female press-fitted parts |
| CN1585623A (en) * | 2001-11-21 | 2005-02-23 | 库尔斯恩蒂斯股份公司 | Attachable/detachable reamer head for surgical reamer |
| CN201115676Y (en) * | 2007-11-23 | 2008-09-17 | 张力 | Medical bone taking out device |
| CN201701257U (en) * | 2010-05-29 | 2011-01-12 | 张永强 | Chip cleaning bone drill for bone surgery |
| CN203291020U (en) * | 2013-06-06 | 2013-11-20 | 苏加向 | Broken nail taking-out machine |
| CN104125806A (en) * | 2011-12-21 | 2014-10-29 | 巴奥米特生物制品有限公司 | Bone marrow aspiration needle |
| CN205814379U (en) * | 2016-02-24 | 2016-12-21 | 中南大学湘雅医院 | Marrow cavity bone cement extractor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2403925C (en) * | 2000-04-05 | 2008-09-16 | Stx Medical, Inc. | Intralumenal material removal systems and methods |
-
2016
- 2016-02-24 CN CN201610103678.1A patent/CN105534564B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2229795Y (en) * | 1995-06-06 | 1996-06-26 | 贵阳市第四人民医院 | Pulpiform nucleus trepan cutting and removing implement |
| US5720749A (en) * | 1996-03-18 | 1998-02-24 | Snap-On Technologies, Inc. | Integral reamer apparatus with guide counterbores in female press-fitted parts |
| CN1585623A (en) * | 2001-11-21 | 2005-02-23 | 库尔斯恩蒂斯股份公司 | Attachable/detachable reamer head for surgical reamer |
| CN201115676Y (en) * | 2007-11-23 | 2008-09-17 | 张力 | Medical bone taking out device |
| CN201701257U (en) * | 2010-05-29 | 2011-01-12 | 张永强 | Chip cleaning bone drill for bone surgery |
| CN104125806A (en) * | 2011-12-21 | 2014-10-29 | 巴奥米特生物制品有限公司 | Bone marrow aspiration needle |
| CN203291020U (en) * | 2013-06-06 | 2013-11-20 | 苏加向 | Broken nail taking-out machine |
| CN205814379U (en) * | 2016-02-24 | 2016-12-21 | 中南大学湘雅医院 | Marrow cavity bone cement extractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105534564A (en) | 2016-05-04 |
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