CN206896380U - A kind of medical inclined-plane cutting edge shaping tool - Google Patents
A kind of medical inclined-plane cutting edge shaping tool Download PDFInfo
- Publication number
- CN206896380U CN206896380U CN201720020735.XU CN201720020735U CN206896380U CN 206896380 U CN206896380 U CN 206896380U CN 201720020735 U CN201720020735 U CN 201720020735U CN 206896380 U CN206896380 U CN 206896380U
- Authority
- CN
- China
- Prior art keywords
- cutter head
- interior
- knife pipe
- knife
- head
- 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.)
- Active
Links
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model proposes a kind of medical inclined-plane cutting edge shaping tool, including the cutting tool assembly being connected with interior knife pipe, the sheath assembly and cutting ferrule that are connected with outer knife pipe, sheath assembly is provided with sealing ring, cutting ferrule is fixed on sheath assembly, interior knife pipe and outer knife pipe are welded and fixed with interior cutter head and outer cutter head respectively, it is equipped with a step on the afterbody outer wall of interior cutter head and outer cutter head, the step control corresponding with step is equipped with the head inwall of interior knife pipe and outer knife pipe；The head of interior cutter head is provided with the planing edge of a knife that edge is the wavy blade surface of circular arc, and the head of outer cutter head is provided with the planing edge of a knife of inclined-plane cutting edge.Cutter head and knife pipe are docked by step and step control, then it is being welded and fixed, effectively reduce welding difficulty, improve the axiality and excision spur and the accuracy and planing efficiency of soft tissue of cutter head and knife pipe, by setting edge to strengthen cutter chip removal ability for the wavy planing edge of a knife of circular arc and the planing edge of a knife of inclined-plane cutting edge respectively on the head of interior cutter head and outer cutter head.
Description
Technical field
It the utility model is related to medical instruments field, more particularly to a kind of medical inclined-plane cutting edge shaping tool.
Background technology
With the extensive development of arthroscope and endoscopic surgery, planing dynamical system also develops rapidly, constantly updates.Modern times plane
The surgical technique and tools that dynamical system is a high performance universal are cut, has and attracts waterproof unobstructed, easy to clean, quick for installation and complete to set
The advantages that meter.Cutting instrument for cervical intervertebral disc hyperplasia is actually made up of two sleeve pipes stacked, and two sleeve pipes have window, passes through fixed outer knife
The window of pipe and the inner core of rotation at tip plays shear action, and draws tissue into edge, is suctioned out chip by attractor,
To reach cutting purpose.
Wherein, plane cutter head species it is various, as bilateral planing tool, overall diameter planing tool, overall diameter band tooth planing tool, round end sander or
Drum type sander etc..Use of the axiality of planing cutter head and knife pipe on shaping tool has highly important influence.And show
Have in technology, the cutter head of Cutting instrument for cervical intervertebral disc hyperplasia and the axiality of knife pipe are relatively low, cause in operation row to cut performance low and can not accurately cut off
Spur and soft tissue.
Utility model content
The purpose of this utility model is to provide a kind of medical inclined-plane cutting edge shaping tool, can realize that cutter head is adopted with knife pipe
Processed with assembling and improve axiality, solve the problems, such as the chip removal of cutter, improve excision spur or soft tissue positioning accuracy and planing
Efficiency.
To achieve the above object, the utility model proposes a kind of medical inclined-plane cutting edge shaping tool, including cutting tool assembly,
Sheath assembly, cutting ferrule, sealing ring, interior knife pipe, outer knife pipe, interior cutter head and outer cutter head, the interior knife pipe are built in the outer knife pipe
In, the cutting tool assembly is connected with the interior knife pipe, and the sheath assembly is connected with the outer knife pipe, and the cutting ferrule is fixed on institute
State on sheath assembly, the sealing ring is located on the sheath assembly；
A step, the head of the interior knife pipe are equipped with the afterbody outer wall of the interior cutter head and the afterbody outer wall of outer cutter head
The step control corresponding with the step is equipped with the head inwall of inwall and outer knife pipe；
The interior cutter head and outer cutter head are docked with the interior knife pipe and outer knife pipe respectively by the step and step control, and
The interior cutter head and outer cutter head are welded and fixed with the interior knife pipe and outer knife pipe respectively；
The head of the interior cutter head is provided with the planing edge of a knife that edge is the wavy blade surface of circular arc, and the head of the outer cutter head is set
There is the planing edge of a knife of inclined-plane cutting edge.
Further, in the medical inclined-plane cutting edge shaping tool, the interior knife pipe external diameter is than the outer knife bore
Small 0.06~0.10mm.
Further, in the medical inclined-plane cutting edge shaping tool, slotted eye, institute are provided with the outer wall of the sheath assembly
State slotted eye built-in permanent magnet.
Further, in the medical inclined-plane cutting edge shaping tool, the slotted eye is multiple.
Further, in the medical inclined-plane cutting edge shaping tool, the cutting tool assembly, which is provided with, attracts window.
Further, in the medical inclined-plane cutting edge shaping tool, the angle of inclination of the inclined-plane cutting edge for 10~
30°。
Compared with prior art, the beneficial effects of the utility model are：The connection of cutter head and knife pipe uses interference fits side
Formula, i.e., step is set in cutter head afterbody and the step control corresponding with step is set in knife tube head, it is difficult to effectively reduce welding
Degree, the axiality and excision spur or the accuracy and planing efficiency of soft tissue of cutter head and knife pipe are improved, by interior cutter head
Edge is set respectively for the planing edge of a knife of the wavy blade surface of circular arc and the planing edge of a knife of inclined-plane cutting edge, enhancing with the head of outer cutter head
Planing cutter head uses the chip removal ability of process.
Brief description of the drawings
Medical inclined-plane cutting edge shaping tool structural representation in the embodiment of Fig. 1 the utility model one；
Fig. 2 is partial structurtes enlarged diagram at Fig. 1 A；
Interior knife pipe and outer knife tubular construction schematic diagram in the embodiment of Fig. 3 the utility model one；
The structural representation of interior cutter head in the embodiment of Fig. 4 the utility model one；
Interior cutter head interior wall construction profile in the embodiment of Fig. 5 the utility model one；
Cutting tool assembly and interior knife pipe connection diagram in the embodiment of Fig. 6 the utility model one；
The embodiment China and foreign countries knife pipe of Fig. 7 the utility model one and outer cutter head structure schematic diagram；
The embodiment China and foreign countries cutter head structure side view of Fig. 8 the utility model one.
Embodiment
Medical inclined-plane cutting edge shaping tool of the present utility model is described in more detail below in conjunction with schematic diagram, its
In illustrate preferred embodiment of the present utility model, it should be appreciated that those skilled in the art can change described here practicality
It is new, and still realize advantageous effects of the present utility model.Therefore, description below is appreciated that for people in the art
Member's is widely known, and is not intended as to limitation of the present utility model.
As shown in Figures 1 to 8, the utility model proposes a kind of medical inclined-plane cutting edge shaping tool, including cutting tool assembly
1st, sealing ring 2, sheath assembly 3, cutting ferrule 4, interior knife pipe 5, outer knife pipe 6, interior cutter head 7 and outer cutter head 8, the interior knife pipe 5 are built in
In the outer knife pipe 6 (as shown in Figure 3), the interior external diameter of knife pipe 5 is smaller 0.06~0.10mm than the outer internal diameter of knife pipe 6, described
Cutting tool assembly 1 is connected with the interior knife pipe 5, interior knife pipe 5 can be driven to be planed in the outer internal rotation of knife pipe 6, the sheath is total
It is connected into 3 with the outer knife pipe 6, the cutting ferrule 4 is fixed on the sheath assembly 3, and the cutting ferrule 4 is used for and tool handle
(not shown) to be connected, the sealing ring 2 is located on the sheath assembly 3, and the sealing ring 2 is located at the sheath assembly 3
Between cutting tool assembly 1, so as to ensure to attract the debris such as liquid to be exported from the attraction window 9 on the cutting tool assembly 1 and will not
Flowed out by sheath assembly 3.
As shown in figure 4, the afterbody outer wall of interior cutter head 7 is provided with a step 10；As shown in figure 5, the interior head of knife pipe 5
Inwall be provided with a step control 11 corresponding with the step 10, the outer wall of the outer afterbody of cutter head 8 and the outer head of knife pipe 6
Inwall on be also respectively equipped with the step 10 and step control 11, and interior cutter head 7 and interior knife pipe 5 weld, the outer cutter head 8 and outer
Knife pipe 6 welds, as shown in figure 1, before cutter head and the welding of knife pipe, first divides the step 10 of the step 10 of interior cutter head 7 and outer cutter head 8
Cooperation is not docked with the step control 11 of interior knife pipe 5 and the step control 11 of outer knife pipe 6, is set as a result of such interference fits
Meter, significantly reduces welding difficulty, preferably ensure that the axiality of cutter head and knife pipe, right therewith in operation so as to reduce
The risk answered.In addition, being designed between interior cutter head 5 and interior knife pipe 7, between outer cutter head 6 and outer knife pipe 8 using split, can make
Obtain cutter head and different materials preparation is respectively adopted in knife pipe, cutter head is higher to material and its hardness requirement, stainless from martensite type
Steel, preferably 420B stainless steels, and knife pipe then preferably 304 stainless steel materials, so as to reduce the cost of manufacture of cutter.
The head of the interior cutter head 7 is provided with the planing edge of a knife 12 that edge is the wavy blade surface of circular arc, as shown in figure 4, described
The head of outer cutter head 8 is provided with the planing edge of a knife 14 (as shown in FIG. 7 and 8) of inclined-plane cutting edge, the planing edge of a knife side view of the outer cutter head
Figure is as shown in figure 8, the angle of inclination of the inclined-plane cutting edge is 10~30 °, it is therefore preferable to 20 °, can improve the plane of cutter simultaneously
Cut and chip removal performance.
Preferably, in the present embodiment, be provided with slotted eye 13 in the outer wall of the sheath assembly 3, the slotted eye 13 be it is multiple,
And the built-in permanent magnet of slotted eye 13 (not shown), the permanent magnet are used cooperatively with the chip (not shown) in handle of a knife,
The position of slotted eye 13 where the chip can identify the permanent magnet, the position of the slotted eye 13 represents the class of different cutter heads
Type, so as to know the model of cutter head use according to identification of the chip to permanent magnet.
To sum up, in the medical inclined-plane cutting edge shaping tool that the utility model embodiment provides, the connection of cutter head and knife pipe
Using interference fits mode, i.e., step is set in cutter head afterbody and the step control corresponding with step is set in knife tube head, have
Effect reduces welding difficulty, improves the axiality of cutter head and knife pipe and the accuracy and planing of excision spur or soft tissue are imitated
Rate, by setting the planing edge of a knife and inclined-plane cutting edge that edge is the wavy blade surface of circular arc respectively on the head of interior cutter head and outer cutter head
The planing edge of a knife, enhance planing cutter head use process chip removal ability.
Preferred embodiment of the present utility model is above are only, any restrictions effect is not played to the utility model.
Any person of ordinary skill in the field, in the range of the technical solution of the utility model is not departed from, to the utility model
The technical scheme and technology contents of exposure make the variation such as any type of equivalent substitution or modification, belong to without departing from the utility model
Technical scheme content, still fall within the scope of protection of the utility model.
Claims (6)
- A kind of 1. medical inclined-plane cutting edge shaping tool, it is characterised in that including cutting tool assembly, sheath assembly, cutting ferrule, sealing ring, Interior knife pipe, outer knife pipe, interior cutter head and outer cutter head, the interior knife pipe are built in the outer knife pipe, the cutting tool assembly with it is described Interior knife pipe is connected, and the sheath assembly is connected with the outer knife pipe, and the cutting ferrule is fixed on the sheath assembly, the sealing Circle is located on the sheath assembly；A step, the head inwall of the interior knife pipe are equipped with the afterbody outer wall of the interior cutter head and the afterbody outer wall of outer cutter head The step control corresponding with the step is equipped with the head inwall of outer knife pipe；The interior cutter head and outer cutter head are docked with the interior knife pipe and outer knife pipe respectively by the step and step control, and described Interior cutter head and outer cutter head are welded and fixed with the interior knife pipe and outer knife pipe respectively；The head of the interior cutter head is provided with the planing edge of a knife that edge is the wavy blade surface of circular arc, and the head of the outer cutter head is provided with tiltedly The planing edge of a knife of face cutting edge.
- 2. medical inclined-plane cutting edge shaping tool according to claim 1, it is characterised in that described in the interior knife pipe external diameter ratio Small 0.06~the 0.10mm of internal diameter of outer knife pipe.
- 3. medical inclined-plane cutting edge shaping tool according to claim 1, it is characterised in that in the outer wall of the sheath assembly Provided with slotted eye, the slotted eye built-in permanent magnet.
- 4. medical inclined-plane cutting edge shaping tool according to claim 3, it is characterised in that the slotted eye is multiple.
- 5. medical inclined-plane cutting edge shaping tool according to claim 1, it is characterised in that the cutting tool assembly, which is provided with, to be attracted Window.
- 6. medical inclined-plane cutting edge shaping tool according to claim 1, it is characterised in that the inclination angle of the inclined-plane cutting edge Spend for 10~30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720020735.XU CN206896380U (en) | 2017-01-09 | 2017-01-09 | A kind of medical inclined-plane cutting edge shaping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720020735.XU CN206896380U (en) | 2017-01-09 | 2017-01-09 | A kind of medical inclined-plane cutting edge shaping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206896380U true CN206896380U (en) | 2018-01-19 |
Family
ID=61294923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720020735.XU Active CN206896380U (en) | 2017-01-09 | 2017-01-09 | A kind of medical inclined-plane cutting edge shaping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206896380U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108403182A (en) * | 2018-03-02 | 2018-08-17 | 江西金思康药业有限公司 | A kind of operation scraper |
| CN108478255A (en) * | 2018-03-19 | 2018-09-04 | 广东工业大学 | A kind of unidirectional cutting punching knife group of soft tissue punching |
| CN110141358A (en) * | 2018-02-12 | 2019-08-20 | 崔建春 | Fiberoptic ductoscopy mirror sheath electroblation biopsy device |
-
2017
- 2017-01-09 CN CN201720020735.XU patent/CN206896380U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141358A (en) * | 2018-02-12 | 2019-08-20 | 崔建春 | Fiberoptic ductoscopy mirror sheath electroblation biopsy device |
| CN110141358B (en) * | 2018-02-12 | 2024-04-16 | 崔建春 | Endoscopic sheath electric excision biopsy device for breast tube |
| CN108403182A (en) * | 2018-03-02 | 2018-08-17 | 江西金思康药业有限公司 | A kind of operation scraper |
| CN108478255A (en) * | 2018-03-19 | 2018-09-04 | 广东工业大学 | A kind of unidirectional cutting punching knife group of soft tissue punching |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206896380U (en) | A kind of medical inclined-plane cutting edge shaping tool | |
| JP5627800B2 (en) | Surgical cutting instrument with distal suction function | |
| US20180280003A1 (en) | Spiral soft tissue biopsy needle | |
| JP2016190073A (en) | Apparatus for controlling position of rotary surgical instrument | |
| JP2008507314A (en) | Surgical cutting instrument | |
| DE602007013886D1 (en) | MULTI-PURPOSE phacoemulsification needle | |
| CN206896373U (en) | A kind of medical circular arc blade surface shaping tool | |
| WO2013142098A3 (en) | Surgical instruments and methods of use | |
| WO2018153248A1 (en) | Ultrasonic scalpel cutting tip | |
| CN216394195U (en) | Bendable medical planing knife | |
| CN207168545U (en) | A kind of medical double pointed sawtooth shaping tool | |
| CN203898546U (en) | Myringotomy suction knife | |
| CN207168548U (en) | A kind of medical sawtooth shaping tool | |
| CN109152591A (en) | Surgical operating instrument with the cutting assembly with handle | |
| CN108113737A (en) | A kind of medical inclined-plane cutting edge shaping tool | |
| CN206896378U (en) | A kind of medical double sawtooth shaping tools | |
| CN207168539U (en) | A kind of medical oval bistrique planing cutter head | |
| CN207168546U (en) | A kind of Medical spherical bistrique planing cutter head | |
| DE60135644D1 (en) | BIOPSY DEVICE | |
| CN112315557A (en) | Puncture needle with aligned inner and outer needle bevels | |
| CN209203464U (en) | A kind of ultrasonic development enhancing single-lumen ovum pickup needle | |
| CN203914960U (en) | The ultrasonic intervention guiding device of intracavitary probe | |
| CN208551922U (en) | A kind of mark Medical planing cutter with a scale | |
| CN108938041B (en) | Medical planing grinding head | |
| CN207707973U (en) | A kind of bent knife handle and scalpel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201712 Room 302, building 1, No. 508, Tianchen Road, Qingpu District, Shanghai Patentee after: Shanghai ligetai Medical Equipment Co.,Ltd. Address before: 201712 Room 302, building 1, No. 508, Tianchen Road, Qingpu District, Shanghai Patentee before: SHANGHAI BOJIN KAILITAI MEDICAL TECHNOLOGY CO.,LTD. |