CN207356116U - A kind of efficient medical planing hand tool - Google Patents
A kind of efficient medical planing hand tool Download PDFInfo
- Publication number
- CN207356116U CN207356116U CN201720431182.7U CN201720431182U CN207356116U CN 207356116 U CN207356116 U CN 207356116U CN 201720431182 U CN201720431182 U CN 201720431182U CN 207356116 U CN207356116 U CN 207356116U
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- knife pipe
- interior
- handle
- tool apron
- collar
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Abstract
The utility model is a kind of efficient medical planing hand tool, including cutter and handle, cutter includes knife pipe and tool apron, cutter sets one end of tool apron to be connected with handle, knife pipe includes interior knife pipe and outer knife pipe, outer knife pipe sleeve is in the outside of interior knife pipe, it is cavity and distal opening in the middle part of interior knife pipe, cricoid cutting edge is each provided with outer knife pipe and interior knife pipe, the inclination angle of the cutting edge of outer knife pipe is 12 ° ~ 15 °, the length of window of the cutting edge of outer knife pipe is 6 ~ 8mm, and the cutting edge of interior knife pipe is formed by multiple circular arcs are end to end.The front end of handle is additionally provided with the assembling that a touch-tone retaining mechanism is used for cutter.The utility model can solve commonly planing hand tool cutting easily block and cutter can not rapid-mounted technical problem.
Description
Technical field
The utility model belongs to the field of medical instrument technology, is specially a kind of efficiently doctor used in minimally invasive endoscopic surgery
Have with planing hand.
Background technology
Medical planing system is used in minimally invasive endoscopic surgery makes, its head of planing is by interior rotating part and carries window
The rotary Cutting instrument for cervical intervertebral disc hyperplasia that forms of outer fixing portion point；It is a kind of be used in surgery, orthopaedics or ear-nose-throat department, cosmetic surgery to biology
Bone tissue and soft tissue carry out the non-treatment class operation power equipment of planing processing.Network source is powered, by host computer control, by electric energy
Have with signal by the hand that cable passes to driven by power, the plane to biological tissue is completed in hand tool built-in motor driving cutter rotation
Cut processing；Attraction is produced by the negative pressure device built in host, and by the passage in cutter by after planing is handled
Biological tissue excretes.Planing hand tool includes handle and cutter two parts；A motor for carrying retarder built in handle, leads to
Cross cable, tracheae is connected with host.
Shaping tool generally uses internal and external casing form, but if the blade shape design of inside and outside cutter is unreasonable, very
Cutter blocks during being easy to cause planing.Most of such products complete cutter using thread locking structure and are loaded, knife
Tool needs to tighten or turns on screw thread locknut during being loaded, time-consuming and laborious.
The content of the invention
The purpose of this utility model is that commonly the easy blocking of planing hand tool cutting and cutter can not rapid-mounteds for solution
Technical problem.The purpose of this utility model is completed by the following technical programs.
A kind of efficient medical planing hand tool, the hand tool include cutter and handle, and the cutter includes knife pipe and tool apron, institute
Stating cutter sets one end of tool apron to be connected with handle, and the knife pipe includes interior knife pipe and outer knife pipe, including the outer knife pipe sleeve
The outside of knife pipe, interior knife pipe middle part is cavity and distal opening, and cricoid sword is each provided with the outer knife pipe and interior knife pipe
Mouthful, the inclination angle of the cutting edge of the outer knife pipe is 12 ° ~ 15 °, and the length of window of the cutting edge of the outer knife pipe is 6 ~ 8mm, described interior
The cutting edge of knife pipe is formed by multiple circular arcs are end to end.
Further, circular arc of the cutting edge of the interior knife pipe including multiple and different radiuses is end to end.
Further, the tool apron includes outer tool apron and interior tool apron, and the end of the outer knife pipe is inserted into outer tool apron, described
The end of interior knife pipe is stretched out in insertion in tool apron from the end of outer knife pipe, and the both sides of the outer tool apron are provided with back-shaped card slot.
Further, the upper surface of the back-shaped card slot is V-shaped.
As the improvement to handle arrangement and cutter locking mode, the handle include handle main body and with before handle main body
The connected retaining mechanism in end；The handle main body is cavity structure, and motor, shaft coupling, coupling sleeve are included in handle main body and is turned
Female connector, the motor are fixed in handle main body by reducing sleeve, and the motor front end is shaft coupling, and shaft coupling connects with interior tool apron
Connect, the coupling sleeve is fixed on handle main body front end, and the coupling sleeve sets circular conical surface, institute for cavity structure and front opening end
Circular conical surface is stated to be bonded with outer tool apron surface；The retaining mechanism includes a collar being arranged on outside coupling sleeve, collar it is upper
Under be provided with pilot hole, collar handle is set outside the pilot hole on collar top, is provided with collar handle internal cavities longitudinal
Garter spring, the lower end of garter spring are connected with handle lead, and handle lead passes through the pilot hole and connecting shaft on collar top
The upper surface of set is fixedly connected；One positioning guide column passes through the pilot hole of collar lower part and the lower surface of coupling sleeve；The card
The both sides inner wall of circle is respectively arranged with the bumping post to extend internally；Collar handle is pushed, the bumping post is moved downward to collar
In the back-shaped card slot of outer tool apron both sides, collar handle is unclamped, as garter spring spring reset bumping post is embedded in back-shaped card slot upper end
In bayonet, the clamping fixed of cutter is completed.
Further, the interior tool apron afterbody periphery is provided with groove in order to be connected with shaft coupling, interior tool apron afterbody center
Cylinder shape groove is provided with, counterbalance spring is set in the cylinder shape groove, makes inside and outside knife pipe front end tight by the thrust of spring
Contiguity is touched.
Further, the circular conical surface of the coupling sleeve and interior knife pipe are coaxial.
Further, the handle main body inner cavity is divided into the installation cavity on top and the air flue of lower part；The afterbody of installation cavity is set
Put perforation connecting cable folder and tailstock overcoat；The afterbody connection gas path joint and tracheae of air flue；The motor, shaft coupling are arranged on
In installation cavity, the cable of motor connection is fixed by cable clip and tailstock overcoat；The coupling sleeve lower ending opening makes coupling sleeve
Cavity is communicated with air flue, and the lower ending opening of the interior tool apron makes the cavity of interior knife pipe be communicated with the cavity of coupling sleeve.
Further, the reducing sleeve, cable clip is respectively provided with sealing ring prevents motor entering water.
The beneficial effects of the utility model are：
1）Medical planing hand described in the utility model has outside short inclined-plane of its supporting cutter due to using special designing
Edge and arc-shaped interior edge form, reduce cutting particles, reduce the probability that cutter blocks, it is continuous to improve operation
Property.
2）The Medical planing hand tool of the utility model is solved as a result of the button cutter chucking mechanism of special designing
In operating process the problem of cutter rapid-mounted, the use operation of doctor is facilitated, improves surgical work efficiency.
3）Keep concentric with interior knife pipe automatically when coupling sleeve front end can ensure that outer knife pipe is fixed using circular conical surface positioning.
4）Interior tool apron afterbody center is provided with cylinder shape groove, and built-in counterbalance spring is inside and outside by the thrust of spring
Knife pipe front end is in close contact.
Below in conjunction with the accompanying drawings and embodiment is described in further detail the utility model.
Brief description of the drawings
Fig. 1 is the utility model integral outer structure diagram；
Fig. 2 is the utility model whole interior structure diagram；
Fig. 3 is outer knife pipe front view；
Fig. 4 is outer knife pipe top view；
Fig. 5 is outer knife pipe internal structure schematic diagram（A-A sectional views in Fig. 4）；
Fig. 6 is interior knife pipe top view；
Fig. 7 is interior knife pipe front view；
Fig. 8 is interior knife pipe internal structure schematic diagram（A-A sectional views in Fig. 7）；
Fig. 9 is interior knife pipe cutting edge (I portions in Fig. 6) partial enlarged view；
Figure 10 is locking mechanism profile（A-A sectional views in Fig. 2）.
Reference numeral：
1. cutter；Knife pipe in 2.；3. outer knife pipe；Tool apron in 4.；5. outer tool apron；6. back-shaped card slot；7. handle main body；8. electricity
Machine；9. shaft coupling；10. coupling sleeve；11. reducing sleeve；12. collar；13. collar handle；14. garter spring；A 15. hand-guided
Column；16. positioning guide column；17. bumping post；18. counterbalance spring；19. air flue；20. cable clip；21. tailstock overcoat；22. gas circuit connects
Head；23. tracheae；24. sealing ring；25. retaining mechanism；26. circular conical surface；The inclination angle of the cutting edge of the outer knife pipes of α；D. outer knife pipe
Cutting edge length of window.
Embodiment
As shown in Fig. 1 ~ 9, a kind of efficient medical planing hand tool, the hand tool includes cutter 1 and handle, and the cutter 1 wraps
Knife pipe and tool apron are included, the cutter sets one end of tool apron to be connected with handle, and the knife pipe includes interior knife pipe 2 and outer knife pipe 3,
For 3 sets of the outer knife pipe in the outside of interior knife pipe 2, the interior middle part of knife pipe 2 is cavity and distal opening, on the outer knife pipe and interior knife pipe
Cricoid cutting edge is each provided with, the inclined angle alpha of the cutting edge of the outer knife pipe is 12 ° ~ 15 °（Fig. 3,4,5）, the outer knife pipe
The length of window d of cutting edge is 6 ~ 8mm（Fig. 3,4,5）, the cutting edge of the interior knife pipe forms by multiple circular arcs are end to end（Including more
A arc radius is distributed for arithmetic progression）（Fig. 6,7,8,9）.Present embodiment China and foreign countries knife pipe end to outer tool apron front end length
For 400mm, outer knife pipe diameter 4.5mm, interior knife pipe diameter 3.9mm.
Such as Fig. 3 ~ 7, tool apron includes outer tool apron 5 and interior tool apron 4, and the end of the outer knife pipe 3 is inserted into outer tool apron 5, described
The end of interior knife pipe 2 is stretched out in insertion in tool apron 4 from the end of outer knife pipe 3, and the both sides of the outer tool apron 5 are provided with back-shaped card slot
6.The upper surface of back-shaped card slot 6 is V-shaped.
As shown in Fig. 1,2,10, handle includes handle main body 7 and the retaining mechanism 25 being connected with handle main body front end；It is described
Handle main body 7 is cavity structure, includes motor 8, shaft coupling 9, coupling sleeve 10 and reducing sleeve 11, the motor 8 in handle main body 7
It is fixed on by reducing sleeve 11 in handle main body 7,8 front end of motor is shaft coupling 9, and shaft coupling 9 is connected with interior tool apron 4, institute
To state coupling sleeve 10 and be fixed on 7 front end of handle main body, the coupling sleeve 10 sets circular conical surface 26 for cavity structure and front opening end,
The circular conical surface 26 is bonded with outer 5 surface of tool apron；The retaining mechanism 6 includes a collar being arranged on outside coupling sleeve 10
12, collar 12 is provided with pilot hole up and down, sets collar handle 13 outside the pilot hole on 12 top of collar, inside collar handle 13
Longitudinal garter spring 14 is provided with cavity, the lower end of garter spring 14 is connected with handle lead 15, handle lead 15
Pilot hole through collar top is fixedly connected with the upper surface of coupling sleeve 10；One positioning guide column 16 passes through collar lower part
The lower surface of pilot hole and coupling sleeve 10；The both sides inner wall of the collar 12 is respectively arranged with the bumping post 17 to extend internally；Push
Collar handle 13, the bumping post 17 is with the back-shaped card slot 6 of collar 12 is moved downward to outer 5 both sides of tool apron, unclamping collar handle
Hand 13, as spring reset bumping post 17 is embedded in back-shaped 6 upper end bayonet of card slot, completes the clamping fixed of cutter.
As shown in Fig. 6,7,8, interior 5 afterbody periphery of tool apron is provided with groove in order to be connected with shaft coupling 9, interior 5 afterbody of tool apron
Center is provided with cylinder shape groove, and counterbalance spring 18 is set in the cylinder shape groove, makes inside and outside knife pipe by the thrust of spring
Front end is in close contact.
As shown in Fig. 2, the circular conical surface 26 of coupling sleeve 10 and interior knife pipe 2 are coaxial.
As shown in Figure 1, 2, the handle main body inner cavity is divided into the installation cavity on top and the air flue 19 of lower part；The tail of installation cavity
Portion sets perforation connecting cable folder 20 and tailstock overcoat 21；The afterbody connection gas path joint 22 and tracheae 23 of air flue 19；The electricity
Machine 8, shaft coupling 9 are arranged in installation cavity, and the cable that motor 8 connects is fixed by cable clip 20 and tailstock overcoat 21；The company
10 lower ending opening of axle sleeve makes the cavity of coupling sleeve be communicated with air flue 19, and the lower ending opening of the interior tool apron 4 makes the cavity of interior knife pipe 2
Communicated with the cavity of coupling sleeve 10.Reducing sleeve 10, cable clip 20 is respectively provided with sealing ring 24 prevents motor entering water.
In present embodiment：Interior knife pipe 2 is fastenedly connected with interior tool apron 4, is cavity structure in the middle part of interior knife pipe, is formed negative pressure and is led to
Road, facilitates remnant tissue to discharge；Interior knife pipe cutting edge uses the arc-shaped cutting edge of arithmetic progression distribution, and interior knife window of tube length d is excellent
Elect 7mm as；Interior tool apron afterbody periphery is provided with groove, can have shaft coupling with hand and be connected, be rotated with motor；Open at interior tool apron afterbody center
Have a cylinder shape groove, built-in counterbalance spring, is in close contact by knife pipe front end inside and outside the thrust of spring, reduce liquid into
Enter the probability of outer knife pipe, while the influence that interior knife length of tube scale error is in close contact inside and outside knife pipe front end can be compensated.
In present embodiment：Motor 8 is fixed on handle main body inner cavity by reducing sleeve 11, and cable is pierced by and passes through from afterbody
Cable clip 20 is fixed with tailstock overcoat 21, and reducing sleeve, cable clip, which are respectively provided with sealing ring, prevents motor entering water, and motor is equal with sealing ring
Using the device/material that can be resistant to thermophilic digestion, so that hand tool can bear high-temperature sterilization environment（134℃,
0.12MPa）.
In present embodiment：8 front end of motor is shaft coupling 9, to drive interior knife pipe 2 to rotate；Coupling sleeve 10 is located at handle
Front end, using cavity structure, front end circular conical surface 26 can ensure to keep concentric with interior knife pipe 4 automatically when outer knife pipe 3 is fixed；Coupling sleeve
The air flue 19 of 10 cavitys and hand tool lower part communicates, and remnant tissue is through interior 2 cavity of knife pipe into the tracheae after air entering flue 19 by afterbody
23 discharges；Retaining mechanism 25 is fixed on 10 front end of coupling sleeve, to lock outer knife pipe 3.
Positioning guide column 16, collar handle 13 and handle lead 15 are fixed on hand tool coupling sleeve 10 in present embodiment
On, collar is provided with pilot hole about 12, presses 13 collar 12 of collar handle and moves down, and unclamps 13 collar 12 of collar handle in card
Reset is moved up under the action of tight spring 14；Bumping post 17 is fixed on 12 both sides of collar, can be embedded in the back-shaped card of outer 5 both sides of tool apron
Groove 6, completes outer knife pipe 5 and fixes.
Cutter is inserted into retaining mechanism, the outer tool apron side chute of insertion process promotes the bumping post on collar, leads collar edge
Moved downward to column, when bumping post is moved to, skewed slot end is hanging, and bumping post is lifted up by garter spring at this time, locks outer tool apron card
Mouthful, cutter is locked, can carry out subsequently organizing crushing operation., can be by pressing retaining mechanism top after the completion of organizing crushing operation
Collar handle, make bumping post be moved to bayonet abjection position, at this time can by cutter from retaining mechanism extract out.
Claims (9)
1. a kind of efficient medical planing hand tool, the hand tool include cutter and handle, the cutter includes knife pipe and tool apron, described
Cutter sets one end of tool apron to be connected with handle, and the knife pipe includes interior knife pipe and outer knife pipe, and the outer knife pipe sleeve is in interior knife
The outside of pipe, interior knife pipe middle part is cavity and distal opening, and cricoid cutting edge is each provided with the outer knife pipe and interior knife pipe,
It is characterized in that：The inclination angle of the cutting edge of the outer knife pipe is 12 ° ~ 15 °, the length of window of the cutting edge of the outer knife pipe for 6 ~
8mm, the cutting edge of the interior knife pipe are formed by multiple circular arcs are end to end.
2. hand tool according to claim 1, it is characterised in that：The cutting edge of the interior knife pipe includes the circle of multiple and different radiuses
Arc is end to end.
3. hand tool according to claim 1, it is characterised in that：The tool apron includes outer tool apron and interior tool apron, the outer knife
The end of pipe is inserted into outer tool apron, and the end of the interior knife pipe is stretched out in insertion in tool apron from the end of outer knife pipe, the outer knife
The both sides of seat are provided with back-shaped card slot.
4. hand tool according to claim 3, it is characterised in that：The upper surface of the back-shaped card slot is V-shaped.
5. hand tool according to claim 3, it is characterised in that：The handle include handle main body and with handle main body front end
Connected retaining mechanism；The handle main body is cavity structure, includes motor, shaft coupling, coupling sleeve and switching in handle main body
Set, the motor are fixed in handle main body by reducing sleeve, and the motor front end is shaft coupling, and shaft coupling connects with interior tool apron
Connect, the coupling sleeve is fixed on handle main body front end, and the coupling sleeve sets circular conical surface, institute for cavity structure and front opening end
Circular conical surface is stated to be bonded with outer tool apron surface；The retaining mechanism includes a collar being arranged on outside coupling sleeve, collar it is upper
Under be provided with pilot hole, collar handle is set outside the pilot hole on collar top, is provided with collar handle internal cavities longitudinal
Garter spring spring, the lower end of garter spring spring are connected with handle lead, and handle lead passes through the guiding on collar top
Hole is fixedly connected with the upper surface of coupling sleeve；One positioning guide column passes through the pilot hole of collar lower part and the following table of coupling sleeve
Face；The both sides inner wall of the collar is respectively arranged with the bumping post to extend internally；Push collar handle, the bumping post with collar to
Under be moved in the back-shaped card slot of outer tool apron both sides, unclamp collar handle, back-shaped card slot be embedded in as garter spring resets bumping post
In the bayonet of upper end, the clamping fixed of cutter is completed.
6. hand tool according to claim 5, it is characterised in that：The interior tool apron afterbody periphery be provided with groove in order to connection
Axis device connects, and interior tool apron afterbody center is provided with cylinder shape groove, counterbalance spring is set in the cylinder shape groove, by compensating bullet
The thrust of spring is in close contact inside and outside knife pipe front end.
7. hand tool according to claim 5, it is characterised in that：The circular conical surface of the coupling sleeve and interior knife pipe are coaxial.
8. hand tool according to claim 5, it is characterised in that：The handle main body inner cavity is divided into the installation cavity on top with
The air flue in portion；The afterbody of installation cavity sets perforation connecting cable folder and tailstock overcoat；The afterbody connection gas path joint of air flue is gentle
Pipe；The motor, shaft coupling are arranged in installation cavity, and the cable of motor connection is fixed by cable clip and tailstock overcoat；It is described
Coupling sleeve lower ending opening makes the cavity of coupling sleeve be communicated with air flue, and the lower ending opening of the interior tool apron makes cavity and the company of interior knife pipe
The cavity of axle sleeve communicates.
9. hand tool according to claim 8, it is characterised in that：The reducing sleeve, cable clip is respectively provided with sealing ring prevents electricity
Machine is intake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720431182.7U CN207356116U (en) | 2017-04-24 | 2017-04-24 | A kind of efficient medical planing hand tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720431182.7U CN207356116U (en) | 2017-04-24 | 2017-04-24 | A kind of efficient medical planing hand tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207356116U true CN207356116U (en) | 2018-05-15 |
Family
ID=62423668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720431182.7U Active CN207356116U (en) | 2017-04-24 | 2017-04-24 | A kind of efficient medical planing hand tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207356116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110693576A (en) * | 2019-10-17 | 2020-01-17 | 徐州市中心医院 | Use electronic planer under intervertebral foramen mirror |
-
2017
- 2017-04-24 CN CN201720431182.7U patent/CN207356116U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110693576A (en) * | 2019-10-17 | 2020-01-17 | 徐州市中心医院 | Use electronic planer under intervertebral foramen mirror |
| CN110693576B (en) * | 2019-10-17 | 2024-01-05 | 徐州市中心医院 | Electric planing device used under foramen mirror |
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