CN107753090A - A kind of abrasion drill for orthopedic operation - Google Patents
A kind of abrasion drill for orthopedic operation Download PDFInfo
- Publication number
- CN107753090A CN107753090A CN201711200809.9A CN201711200809A CN107753090A CN 107753090 A CN107753090 A CN 107753090A CN 201711200809 A CN201711200809 A CN 201711200809A CN 107753090 A CN107753090 A CN 107753090A
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- Prior art keywords
- eccentric shaft
- movable sleeve
- oil
- ring
- orthopedic operation
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1631—Special drive shafts, e.g. flexible shafts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
This application provides a kind of abrasion drill for orthopedic operation, wherein, including：Grinding attachment,Support bar,Reciprocating apparatus and drive device,The reciprocating apparatus drives the grinding attachment to make crankmotion under the driving of the drive device,The reciprocating apparatus includes input eccentric shaft,Export eccentric shaft and adapter sleeve,The input eccentric shaft is connected with the drive device,The output eccentric shaft is connected with the mill handle,Connected between the input eccentric shaft and the output eccentric shaft and the adapter sleeve by attachment means,The attachment means include inner ring,Movable sleeve,Oil ring and swivel becket,The movable sleeve is set on the inner ring,The oil ring is arranged in the lubricating cavity of the movable sleeve,The swivel becket is arranged on the periphery of the movable sleeve,In the abrasion drill for orthopedic operation provided in the present invention,Grind handle and bistrique rotation is more smooth,Be advantageous to doctor and control grasp stock removal,It further enhancing abrasive drilling effect.
Description
Technical field
The present invention relates to and bone tissue grind cutting-tool engineering field, more particularly to a kind of abrasion drill for orthopedic operation.
Background technology
Operation is widely used in neurosurgery, spinal surgery, microsurgery etc. with abrasive drilling, is generally all the list using cutter head
Bone tissue is ground to rotating, one-directional rotation make it that cutter head is larger to the instantaneous stock removal of bone tissue, and wound face is larger, bone
Organized renewing is slower.
Chinese patent【201610633370.8】Disclose a kind of operation abrasive drilling, including bistrique and knife pipe, the bistrique
On be provided with mill handle, the knife pipe is provided with the double-decker of inner supporting body and outer support, the mill close to one end of bistrique
Handle is fed through inner supporting body, can be relatively rotated between the inner supporting body and outer support, and change mill arbor line relative to
The position of outer support, can effectively control stock removal, be conveniently adjusted grinding position and direction again, but disclosed in the patent
Operation abrasive drilling, it is not smooth enough to grind the rotation of handle and bistrique, is unfavorable for doctor and controls to grasp stock removal.
The content of the invention
It is an object of the invention to provide a kind of abrasion drill for orthopedic operation so that mill handle and bistrique rotation are more smooth, are advantageous to cure
Stock removal is grasped in raw control, further enhancing abrasive drilling effect.
In order to solve the above technical problems, the present invention provides following technical scheme：
A kind of abrasion drill for orthopedic operation, wherein, including：Grinding attachment, support bar, reciprocating apparatus and drive device, it is described past
Apparatus for coating drives the grinding attachment to make crankmotion under the driving of the drive device, and the grinding attachment includes mill
Head and mill handle, the mill handle are arranged in the support bar, and the bistrique is connected to one end of the mill handle, the reciprocating apparatus
One end be connected with the mill handle, the reciprocating apparatus includes input eccentric shaft, output eccentric shaft and adapter sleeve, and the input is partially
Mandrel is connected with the drive device, and the output eccentric shaft is connected with the mill handle, the input eccentric shaft and the output
Connected between eccentric shaft and the adapter sleeve by attachment means, the attachment means include inner ring, movable sleeve, oil ring and turned
Rotating ring, the movable sleeve are set on the inner ring, and the oil ring is arranged in the lubricating cavity of the movable sleeve, the swivel becket
It is arranged on the periphery of the movable sleeve, and the lubricating oil in the lubricating cavity can enter institute by the oil discharge passage of the oil ring
State between swivel becket and the movable sleeve, the movable sleeve can rotate relative to the inner ring.
Further, the both sides of the movable sleeve have left chamber and right chamber respectively, are provided with the left chamber and right chamber
Retainer ring.
Further, support member is embedded with the movable sleeve, the support member has wear-resisting portion.
Further, the inner side of the oil ring has two oil sealing chambers, and the outside of the oil ring has oil-out, described
Oil sealing chamber and the oil-out are connected by the oil discharge passage.
Further, one end of the movable sleeve is arranged with wear-resisting grommet, and the rib of described wear-resisting grommet one end is kept out
On the end face of the swivel becket.
Further, the attachment means also include door, and the door is kept out in one end of the movable sleeve, and institute
Stating the back-up ring of door can keep out on the end face of the wear-resisting grommet.
Further, the both ends of the oil ring have boss, and the boss keeps out the installation shoulder in the lubricating cavity
On.
Further, the reciprocating apparatus also includes fixing shell, and the input eccentric shaft and output eccentric shaft are single
Rotary moveable is arranged in fixing shell.
Further, the inner ring is set on the input eccentric shaft.
Further, the inner ring is set on the output eccentric shaft.
It can be seen from above-mentioned technical proposal the invention has the advantages that：
1. the output eccentric shaft drives the adapter sleeve to make and moved back and forth, so as to drive the output eccentric shaft also to do
Go out same move back and forth so that also corresponding make moves back and forth with the mill handle and bistrique of the eccentric axis connection of output, this
Can be more steady during the crankmotion processing bone tissue of sample, the grinding surface of bone tissue or the treatment effect of repair surface can be improved,
Also stock removal can be controlled well, improve grinding quality.
2. due to being connected between the input eccentric shaft and the output eccentric shaft and the adapter sleeve by attachment means
Connect, thus it is more smooth with the mill handle of the eccentric axis connection of output and bistrique rotation, and being advantageous to doctor controls grasp stock removal, enters
One step enhances abrasive drilling effect.
3. due to being embedded with support member in the movable sleeve, the support member has wear-resisting portion, the setting of the support member
The intensity of the movable sleeve is added, also, when the swivel becket rotates, the wear-resisting portion can avoid the swivel becket and institute
State movable sleeve directly to contact, so can effectively mitigate the abrasion of the movable sleeve, increase the service life.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is the cross-sectional view of the reciprocating apparatus of the present invention.
Fig. 3 is the dimensional structure diagram of the reciprocating apparatus of the present invention.
Fig. 4 is the cross-sectional view of the attachment means of the present invention.
Fig. 5 is the inner ring of the present invention and the cross-sectional view of movable sleeve.
Fig. 6 is the cross-sectional view of the oil ring of the present invention.
Fig. 7 is the cross-sectional view of the wear-resisting grommet of the present invention.
Fig. 8 is the use state figure of the reciprocating apparatus of the present invention.
Fig. 9 is the another use state figure of the reciprocating apparatus of the present invention.
Description of reference numerals：
Outer support -1, support bar -2, grinding attachment -3, bistrique -31, mill handle -32, knife pipe -33, adapter sleeve -5, input
Eccentric shaft -51, output eccentric shaft -52, fixing shell -53, attachment means -6, inner ring -61, endoporus -611, step surface -612, work
Dynamic set -62, left chamber -621, horn chamber -6211, lubricating cavity -622, installation shoulder -6221 right chamber -623, block -624, fixation
Ring -63, oil ring -64, oil-out -641, oil sealing chamber -642, oil discharge passage -643, boss -644, support member -66, wear-resisting portion -
661st, door -67, back-up ring -671, swivel becket -68, wear-resisting grommet -69, rib -691.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
The application is described further below with reference to Fig. 1 to Fig. 9, a kind of abrasion drill for orthopedic operation as shown in Figure 1, bag
Include：Grinding attachment 3, support bar 2, reciprocating apparatus and drive device, driving lower band of the reciprocating apparatus in the drive device
Move the grinding attachment 3 and make crankmotion, the grinding attachment 3 includes bistrique 31 and mill handle 32, and the mill handle 32 is set
In the support bar 2, the bistrique 31 is connected to one end of the mill handle 32, one end of the reciprocating apparatus and the mill handle
32 connections, as shown in Figures 2 and 3, the reciprocating apparatus include input eccentric shaft 51, output eccentric shaft 52 and adapter sleeve 5, described
Input eccentric shaft 51 is connected with the drive device, and the output eccentric shaft 52 is connected with the mill handle 32, and the input is eccentric
Connected between axle 51 and the output eccentric shaft 52 and the adapter sleeve 5 by attachment means 6, as shown in figure 4, the connection
Device 6 includes inner ring 61, movable sleeve 62, oil ring 64 and swivel becket 68, and the movable sleeve 62 is set on the inner ring 61, described
Oil ring 64 is arranged in the lubricating cavity 622 of the movable sleeve 62, and the swivel becket 68 is arranged on the periphery of the movable sleeve 62,
And the lubricating oil in the lubricating cavity 622 can be entered by the oil discharge passage 643 of the oil ring 64 swivel becket 68 with it is described
Between movable sleeve 62, the movable sleeve 62 can rotate relative to the inner ring 61.
As shown in figure 5, the both sides of the movable sleeve 62 have left chamber 621 and right chamber 623, the left chamber 621 and the right side respectively
Retainer ring 63 is provided with chamber 623, when the movable sleeve 62 rotates, the retainer ring 63 in company with the movable sleeve 6 together
Rotate.
The openend of the left chamber 621 has horn chamber 6211, is easy to the installation and removal of the retainer ring 63.
Support member 66 is embedded with the movable sleeve 62, the support member 66 has wear-resisting portion 661, the support member 66
The intensity for adding the movable sleeve 62 is set, also, when the swivel becket 68 rotates, the wear-resisting portion 661 can avoid institute
State swivel becket 68 directly to contact with the movable sleeve 62, so can effectively mitigate the abrasion of the movable sleeve 62, extension uses the longevity
Life.
As shown in fig. 6, the inner side of the oil ring 64 has two oil sealing chambers 642, the outside of the oil ring 64 has fuel-displaced
Mouth 641, the oil sealing chamber 642 and the oil-out 641 are connected by the oil discharge passage 643, in the oil sealing chamber 642
Store lubricating oil, when the swivel becket 68 rotates, be stored in lubricating oil in the oil sealing chamber 642 pass through it is described fuel-displaced logical
Road 643 is penetrated into the oil-out 641, and the contact surface of the swivel becket 68 and the movable sleeve 62 is lubricated so that
The swivel becket 68 rotates more smooth.
As shown in figs. 4 and 7, one end of the movable sleeve 62 is arranged with wear-resisting grommet 69, described wear-resisting one end of grommet 69
Rib 691 keep out on the end face of the swivel becket 68, the positioning for the swivel becket 68.
As shown in figure 4, the attachment means 6 also include door 67, the door 67 is kept out the one of the movable sleeve 62
End, and the back-up ring 671 of the door 67 can be kept out on the end face of the wear-resisting grommet 69, the door 67 is connected through a screw thread
One end of the movable sleeve 62 is fixed on, the center of the door 67 has through hole, and the through hole is set in the inner ring 61 1
On the step surface 612 at end.
The inner surface setting of the back-up ring 671 has a screw thread, the outer surface of described one end of movable sleeve 62 be also equipped with it is described
The screw thread that back-up ring 671 is connected, by rotating the door 67, it can adjust position of the door 67 on the movable sleeve 62
Put, and then adjust axial location of the swivel becket 68 on the movable sleeve 62.
As shown in fig. 6, the both ends of the oil ring 64 have boss 644, the boss 644 is kept out in the lubricating cavity 622
Installation shoulder 6221 on, the oil ring 64 is elastic rubber ring, has gap between the oil ring 64 and the swivel becket 68.
As shown in figure 5, also having block 624 on the periphery of the movable sleeve 62, the block 624 is located at the lubricating cavity
622 side, the other end of the wear-resisting grommet 69 are kept out on the block 624, and the block 624 plays described wear-resisting
The position-limiting action of grommet 69.
The inner ring 61 is set on the input eccentric shaft 51, and the endoporus 611 of the inner ring 61 and the input are eccentric
Axle 51 is interference fitted.
The inner ring 61 is set on the output eccentric shaft 52, and the endoporus 611 of the inner ring 61 and the output are eccentric
Axle 52 is interference fitted.
61 sets of the inner ring has gap between the movable sleeve 62 so that 61 sets of the inner ring and the movable sleeve 62
It can relatively rotate.
As shown in Fig. 2 the attachment means 6 are socketed in adapter sleeve 5, it is slidably matched with the adapter sleeve 5, the input
The rotation of eccentric shaft 51 drives the inner ring 61 to rotate, and the swivel becket 68 rotates along the adapter sleeve 5 so that the swivel becket
Relatively rotate between 68 and movable sleeve 62, while relatively rotated between the movable sleeve 62 and the inner ring 61, be so advantageous to
It is described input eccentric shaft 51 and the adapter sleeve 5 between move it is more smooth, be advantageous to doctor control grasp stock removal, further increase
Strong abrasive drilling effect.
The reciprocating apparatus also includes fixing shell 53, and the input eccentric shaft 51 is connected with the drive device, described
Do not indicated in drive device figure, the output eccentric shaft 52 is connected with the mill handle 32, and the adapter sleeve 5 is hingedly mounted on described
In fixing shell 53, the eccentric end of the input eccentric shaft 51 and output eccentric shaft 52 is socketed in the adapter sleeve 5, described
Mill handle 32 is fed through fixing shell 53 and is connected with output eccentric shaft 52.
As shown in Figures 2 and 3, the reciprocating apparatus also includes fixing shell 53, and the input eccentric shaft 51 and output are inclined
The single rotary moveable of mandrel 52 is arranged in the fixing shell 53.
The abrasion drill for orthopedic operation also includes knife pipe 33, and the knife pipe 33 is provided with outer branch close to one end of the bistrique 31
Support body 1, the outer support 1 are set in the outside of the support bar 2, and the mill handle 32 is fed through the support bar 2 to extension
Stretch.
In use, starting drive device, the input eccentric shaft 51 drives eccentric end to rotate, and the input eccentric shaft 51 is inclined
The eccentric rotary at heart end, the adapter sleeve 5 being hinged on the front inner wall face of fixing shell 53 is driven by the attachment means 6
Left and right moves back and forth in a circumferential direction, i.e. in clockwise direction and Fig. 9 in Fig. 8 shown in state shown in state counterclockwise
Direction, meanwhile, it is connected on the output eccentric shaft 52 also by the attachment means 6 in the adapter sleeve 5, the output is inclined
Mandrel 52 is connected with the mill handle 32, therefore the output eccentric shaft 52 drives the adapter sleeve 5 to make to move back and forth, so as to drive
The output eccentric shaft 52 also makes same move back and forth so that the mill handle 32 and bistrique being connected with the output eccentric shaft 52
31 also make and moving back and forth accordingly, can be more steady during such crankmotion processing bone tissue, can improve bone tissue
The treatment effect of grinding surface or repair surface, wound recover faster, can also control stock removal well, and simple operation is easy for installation.
When carrying out grinding action, the axial location for grinding handle 32 is done close relative to the axial location of outer support 1
Or the remote grinding scope for moving in parallel, increasing the bistrique 31 with this.
Preferably, the bistrique 31 can be provided with the cylindricality bistrique of diamond dust or cutting edge according to selection front end and side face
31, reach the effect to the more preferable reconditioning of operative site.
For the ease of applying in medical eccentric abrasive drilling, preferably, the central axis of the mill handle 32 and the support
The centerline axis parallel of bar 2.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. abrasion drill for orthopedic operation, it is characterised in that including：Grinding attachment (3), support bar (2), reciprocating apparatus and driving dress Put, the reciprocating apparatus drives the grinding attachment (3) to make crankmotion, the mill under the driving of the drive device Turning device (3) includes bistrique (31) and mill handle (32), and the mill handle (32) is arranged in the support bar (2), the bistrique (31) one end of the mill handle (32) is connected to, one end of the reciprocating apparatus is connected with the mill handle (32), described past to reassemble Put and filled including input eccentric shaft (51), output eccentric shaft (52) and adapter sleeve (5), the input eccentric shaft (51) with the driving Connection is put, the output eccentric shaft (52) is connected with the mill handle (32), and the input eccentric shaft (51) and the output are eccentric It is connected between axle (52) and the adapter sleeve (5) by attachment means (6), the attachment means (6) include inner ring (61), lived Dynamic set (62), oil ring (64) and swivel becket (68), the movable sleeve (62) are set on the inner ring (61), the oil ring (64) It is arranged in the lubricating cavity (622) of the movable sleeve (62), the swivel becket (68) is arranged on the periphery of the movable sleeve (62) On, and the lubricating oil in the lubricating cavity (622) can enter the swivel becket by the oil discharge passage (643) of the oil ring (64) (68) between the movable sleeve (62), the movable sleeve (62) can rotate relative to the inner ring (61).
- 2. abrasion drill for orthopedic operation according to claim 1, it is characterised in that the both sides of the movable sleeve (62) have respectively Retainer ring (63) is provided with left chamber (621) and right chamber (623), the left chamber (621) and right chamber (623).
- 3. abrasion drill for orthopedic operation according to claim 2, it is characterised in that be embedded with support member in the movable sleeve (62) (66), the support member (66) has wear-resisting portion (661).
- 4. abrasion drill for orthopedic operation according to claim 3, it is characterised in that the inner side of the oil ring (64) has two envelopes Oil pocket (642), the outside of the oil ring (64) have oil-out (641), the oil sealing chamber (642) and the oil-out (641) Connected by the oil discharge passage (643).
- 5. abrasion drill for orthopedic operation according to claim 4, it is characterised in that one end of the movable sleeve (62) is arranged with resistance to Mill lining ring (69), the rib (691) of described wear-resisting grommet (69) one end are kept out on the end face of the swivel becket (68).
- 6. abrasion drill for orthopedic operation according to claim 5, it is characterised in that the attachment means (6) also include door (67), the door (67) is kept out in one end of the movable sleeve (62), and the back-up ring (671) of the door (67) can be kept out On the end face of the wear-resisting grommet (69).
- 7. abrasion drill for orthopedic operation according to claim 6, it is characterised in that the both ends of the oil ring (64) have boss (644), the boss (644) is kept out on the installation shoulder (6221) of the lubricating cavity (622).
- 8. abrasion drill for orthopedic operation according to claim 7, it is characterised in that the reciprocating apparatus also includes fixing shell (53), the input eccentric shaft (51) and output eccentric shaft (52) single rotary moveable are arranged in fixing shell (53).
- 9. abrasion drill for orthopedic operation according to claim 1, it is characterised in that it is inclined that the inner ring (61) is set in the input In mandrel (51).
- 10. abrasion drill for orthopedic operation according to claim 1, it is characterised in that the inner ring (61) is set in the output On eccentric shaft (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711200809.9A CN107753090B (en) | 2017-11-27 | 2017-11-27 | Grinding drill for bone surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711200809.9A CN107753090B (en) | 2017-11-27 | 2017-11-27 | Grinding drill for bone surgery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107753090A true CN107753090A (en) | 2018-03-06 |
| CN107753090B CN107753090B (en) | 2023-08-22 |
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ID=61275370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711200809.9A Active CN107753090B (en) | 2017-11-27 | 2017-11-27 | Grinding drill for bone surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107753090B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720957A (en) * | 2018-06-15 | 2018-11-02 | 吉林大学 | Animal for research vertebral plate removes assistor |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107753090B (en) | 2023-08-22 |
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