CN108523961A - Minimally invasive surgical instrument - Google Patents
Minimally invasive surgical instrument Download PDFInfo
- Publication number
- CN108523961A CN108523961A CN201810175033.8A CN201810175033A CN108523961A CN 108523961 A CN108523961 A CN 108523961A CN 201810175033 A CN201810175033 A CN 201810175033A CN 108523961 A CN108523961 A CN 108523961A
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- China
- Prior art keywords
- cutter head
- minimally invasive
- invasive surgery
- connector
- inner tube
- 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.)
- Granted
Links
- 238000002324 minimally invasive surgery Methods 0.000 claims description 44
- 239000013078 crystal Substances 0.000 description 7
- 210000000988 bone and bone Anatomy 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 102000011931 Nucleoproteins Human genes 0.000 description 1
- 108010061100 Nucleoproteins Proteins 0.000 description 1
- 210000001188 articular cartilage Anatomy 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 210000001519 tissue Anatomy 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
- A61B17/1659—Surgical rasps, files, planes, or scrapers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a minimally invasive surgical instrument which comprises a main body, a buffer component and a tool bit. The main body comprises an inner tube and an outer tube, wherein the inner tube is arranged in the outer tube. One end of the buffer component is connected with the inner pipe. The cutter head is connected to the other end of the buffer component, wherein the cutter head is provided with a cutting part. When the cutting part contacts an object, the buffer component is suitable for enabling the cutter head to move relative to the inner tube so as to reduce the cutting force between the cutting part and the object, and is suitable for enabling the cutting part to incline along with the surface of the object.
Description
Technical field
The present invention relates to a kind of surgical instruments, and more particularly to a kind of Minimally Invasive Surgery instrument.
Background technology
In recent years, with the improvement of living standards, life-time dilatation, the change of diet (rich in nucleoprotein food increase
It is more), the increase of overweight people so that face adjoint skeletal system problem sustainable growth behind advanced age, seem vertebra degeneration related diseases
The mode of change and osteoarthritis lesion etc., general treatment is that introscope removes art, however current introscope is removed art and can not be had
Joint bone protrusion or crystal are removed destruction that is clean and continuing to cause cartilage by effect.The self-regeneration and regeneration of cartilaginous tissue
Ability is all very insufficient, is once damaged, and often can not voluntarily restore, and sufferer only needs articular cartilage and may wear to centainly sternly
The displacement in joint is carried out after weight degree.
Invention content
The present invention provides a kind of Minimally Invasive Surgery instrument, can effectively remove joint bone protrusion or crystal.
The Minimally Invasive Surgery instrument of the present invention includes a main body, a Buffer Unit and a cutter head.Main body includes an inner tube and one
Outer tube, wherein inner tube are configured in outer tube.One end of Buffer Unit is connected to inner tube.Cutter head is connected to the another of Buffer Unit
End, wherein cutter head have a cutting part.When cutting portion contacts an object, Buffer Unit is suitable for that cutter head is made to move relative to inner tube
To reduce the cutting force between cutting portion and the object, and suitable for making cutting portion be tilted with the surface of object.
In one embodiment of this invention, above-mentioned Buffer Unit includes an elastic component, and elastic component is connected to inner tube and knife
Between head.
In one embodiment of this invention, above-mentioned elastic component is compressed spring, spring leaf or elastic polymer.
In one embodiment of this invention, above-mentioned Buffer Unit includes a universal joint, and universal joint is connected to elasticity
Between part and cutter head.
In one embodiment of this invention, above-mentioned universal joint includes one first connector and one second connector, the
There is a connection piece a convex spherical, the second connector to have a concave spherical surface and be movably connected to convex spherical by concave spherical surface,
Cutter head is connected to the first connector, and elastic component is connected to the second connector.
In one embodiment of this invention, above-mentioned universal joint includes one first connector and one second connector, the
There is a connection piece a holding tank, the second connector to have multiple inclined-planes and movably be contained in holding tank, the one of holding tank
Inner surface is suitable for bearing against any inclined-plane so that the first connector tilts, and cutter head is connected to the first connector, and elastic component is connected to
Second connector.
In one embodiment of this invention, above-mentioned inner tube has an at least recess portion, the first connector convex at least one
Portion is simultaneously movably connected to recess portion by protrusion.
In one embodiment of this invention, the second above-mentioned connector has the cambered surface relative to these inclined-planes, and leads to
It crosses cambered surface and movably bears against elastic component.
In one embodiment of this invention, above-mentioned Minimally Invasive Surgery instrument includes a driving unit, and wherein driving unit is suitable
In driving cutter head rotation.
In one embodiment of this invention, above-mentioned driving unit is connected between Buffer Unit and cutter head, and suitable for driving
Dynamic cutter head is rotated relative to inner tube.
In one embodiment of this invention, above-mentioned driving unit includes an actuator and a gear set, actuator connection
In Buffer Unit, gear set is connected between actuator and cutter head.
In one embodiment of this invention, above-mentioned driving unit is connected to inner tube, and suitable for driving inner tube and cutter head phase
Outer tube is rotated together.
In one embodiment of this invention, above-mentioned cutter head has an at least hole, is produced after the cutting of the object portion of being cut
Raw cutting swarf is discharged by hole along main body.
In one embodiment of this invention, above-mentioned Minimally Invasive Surgery instrument includes a suction offer portion, and wherein object is cut
Generated cutting swarf is moved suitable for the suction provided by suction offer portion along main body after cutting portion's cutting.
In one embodiment of this invention, the outer diameter of above-mentioned cutter head is less than 10 millimeters.
In one embodiment of this invention, above-mentioned Buffer Unit is configured within inner tube at least partly, within inner tube
With a stop configurations, Buffer Unit bears against stop configurations.
The cutting portion of cutter head is reduced by Buffer Unit based on above-mentioned, of the invention Minimally Invasive Surgery instrument and by operation object
Cutting force between part (such as the joint with bone protrusion and crystal), and can avoid by operation object itself because of cutting force mistake
It is unpredictably damaged greatly.In addition, the Minimally Invasive Surgery instrument of the present invention makes the cutting portion of cutter head with quilt by Buffer Unit
Perform the operation object surface and tilt, the extending direction on the surface can be complied with and effectively remove pass thereon to cutting portion
Save bone protrusion or crystal.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and it is attached appended by cooperation
Figure is described in detail below.
Description of the drawings
Fig. 1 is the stereogram of the Minimally Invasive Surgery instrument of one embodiment of the invention；
Fig. 2 is the exploded view of the Minimally Invasive Surgery instrument of Fig. 1；
Fig. 3 is the cutter head of Fig. 2 and the exploded view of Buffer Unit；
Fig. 4 is the local structural graph of the Minimally Invasive Surgery instrument of Fig. 1；
Fig. 5 is the inclined schematic diagram of cutter head of Fig. 4；
Fig. 6 is the partial component stereogram of the Minimally Invasive Surgery instrument of another embodiment of the present invention；
Fig. 7 is the cutter head of Fig. 6 and the stereogram of Buffer Unit；
Fig. 8 is the cutter head of Fig. 7 and the exploded view of Buffer Unit；
Fig. 9 is the partial component stereogram of the Minimally Invasive Surgery instrument of another embodiment of the present invention；
Figure 10 is the partial perspective view of the Minimally Invasive Surgery instrument of another embodiment of the present invention；
Figure 11 is the local structural graph of the Minimally Invasive Surgery instrument of Figure 10.
Symbol description
100：Minimally Invasive Surgery instrument
110、310、410：Main body
112、212、312、412：Inner tube
112a：Stop configurations
114、314、414：Outer tube
120、220、320、420：Buffer Unit
122、222、322、422：Elastic component
124、224：Universal joint
124a、224a：First connector
124b、224b：Second connector
130、230、330、430：Cutter head
130a：Hole
132、232、332、432：Cutting portion
140：Suction offer portion
212a：Recess portion
224a1：Protrusion
350：Driving unit
352：Actuator
354：Gear set
354a：Driving gear
354b、354c：Driven gear
C：Holding tank
D：Flow direction
E：Extension
G：Gap
S1：Convex spherical
S2：Concave spherical surface
S3：Inclined-plane
S4：Inner surface
S5：Cambered surface
Specific implementation mode
Fig. 1 is the stereogram of the Minimally Invasive Surgery instrument of one embodiment of the invention.Fig. 2 is point of the Minimally Invasive Surgery instrument of Fig. 1
Xie Tu.It please refers to Fig.1 and Fig. 2, the Minimally Invasive Surgery instrument 100 of the present embodiment is, for example, to go out to the apophysis removed on human synovial
The surgical instrument of object or crystal, Minimally Invasive Surgery instrument 100 include a main body 110, a Buffer Unit 120 and a cutter head 130.It is main
Body 110 includes that an inner tube 112 and an outer tube 114, inner tube 112 are configured in outer tube 114.One end of Buffer Unit 120 is connected to
Inner tube 112, cutter head 130 are connected to the other end of Buffer Unit 120, and cutter head 130 has a cutting part 132, i.e. cutter head 130
Knife face.
In the present embodiment, the outer diameter of cutter head 130 is, for example, less than 10 millimeters, with the progress of sharp Minimally Invasive Surgery, however this hair
It is bright to be limited not to this.In addition, the inner tube 112 of the present embodiment can connect driving list appropriate by the interconnecting piece of its rear end
First (such as motor), to drive inner tube 112 and cutter head 130 to be rotated together relative to outer tube 114 by the driving unit, to
It can be cut.In other embodiments, the driving unit can be the component that Minimally Invasive Surgery instrument 100 is included, and connect
It is connected to inner tube 112.
During carrying out Minimally Invasive Surgery, when the contact of cutting portion 132 of cutter head 130 (such as has apophysis by operation object
Go out the joint of object and crystal) when, Buffer Unit 120 is suitable for that cutter head 130 is made to move to reduce cutting portion relative to inner tube 112
132 and by the cutting force between operation object, and can avoid unpredictably being damaged because cutting force is excessive by operation object itself.
In addition, Buffer Unit is suitable for making cutting portion 132 with being tilted by the surface of operation object, to which cutting portion 132 can comply with institute
It states the extending direction on surface and effectively removes joint bone protrusion or crystal thereon.
Fig. 3 is the cutter head of Fig. 2 and the exploded view of Buffer Unit.Fig. 4 is painted the partial structurtes of the Minimally Invasive Surgery instrument of Fig. 1.
It please refers to Fig.3 and Fig. 4, specifically, the Buffer Unit 120 of the present embodiment is configured within inner tube 112 and wraps at least partly
An elastic component 122 is included, elastic component 122 is connected between inner tube 112 and cutter head 130, and elastic component 122 is, for example, compressed spring and leads to
It crosses its elastic deformability and cutter head 130 is enable as above to be moved relative to inner tube 112.Specifically, within inner tube 112
With a stop configurations 112a, the elastic component 122 of Buffer Unit 120 bears against stop configurations 112a, and Buffer Unit 120 also wraps
A universal joint 124 is included, universal joint 124 is connected between elastic component 122 and cutter head 130, and universal joint 124 makes cutting portion
132 can be as above with by the surface inclination of operation object.
More specifically, the universal joint 124 of the present embodiment be, for example, spherojoint and include one first connector 124a and
One second connector 124b, cutter head 130 are connected to the first connector 124a, and elastic component 122 is connected to the second connector 124b.The
A connection piece 124a have a convex spherical S1, the second connector 124b have a concave spherical surface S2 and by concave spherical surface S2 movably
It is connected to convex spherical S1.In the present embodiment, the second connector 124b is for example fixed on backstop with an extension E, extension E
Structure 112a, and elastic component 122 is sheathed on extension E.
The cutter head that Fig. 5 is painted Fig. 4 tilts.By the opposite sliding of convex spherical S1 and concave spherical surface S2, cutter head 130 can be such as Fig. 5
Shown to be tilted relative to inner tube 112, maximum tilt angle is, for example, 10~20 degree, and so the present invention limits not to this.This
Outside, with the flexible deformation of elastic component 122, producible maximum amount of movement is, for example, 1~2 millimeter to cutter head 130, however this hair
It is bright also to be limited not to this.
Referring to FIG. 3, the cutter head 130 of the present embodiment has multiple hole 130a, by operation object by the cutting of cutter head 130
Generated cutting swarf can be discharged by hole 130a along main body 110 after portion 132 is cut.Furthermore, Minimally Invasive Surgery
Instrument 100 includes a suction offer portion 140 as shown in Figure 1, and suction offer portion 140 is, for example, that suction provides interface or suction offer
Channel, connection suction source is, for example, pump or the suction generating device of other appropriate forms, by operation object by cutter head 130
Cutting portion 132 cut after generated cutting swarf be suitable for provided by suction offer portion 140 suction by along main body 110 move
It is dynamic.Runner can be equipped in main body 110, the runner is for example formed within inner tube 112 and is connected to suction offer portion 140 and knife
Between first 130 hole 130a, so that the cutting swarf flows.The portion of suction offer shown in Fig. 1 140 is only to illustrate, can be such as Fig. 1
It is shown to be set to inside the rear end of outer tube 114, it can be also external in the outside of outer tube 114, the present invention limits not to this.At this
In embodiment, even if there are clearance G (being shown in Fig. 4) between cutter head 130 and main body 110, provided by suction offer portion 140
Suction, can avoid the cutting swarf leaked out by the clearance G after hole 130a between cutter head 130 and main body 110.
Fig. 6 is the partial component stereogram of the Minimally Invasive Surgery instrument of another embodiment of the present invention.Fig. 7 be Fig. 6 cutter head and
The stereogram of Buffer Unit.Fig. 8 is the cutter head of Fig. 7 and the exploded view of Buffer Unit.In Fig. 6 to embodiment illustrated in fig. 8, inner tube
212, outer tube (for clarity of the drawing, Fig. 6 to Fig. 8 does not show outer tube), Buffer Unit 220, elastic component 222, universal joint
224, configuration Fig. 1 similar with the mode of action of cutter head 230, cutting portion 232 is to inner tube 112 shown in fig. 5, outer tube 114, buffering group
Part 120, elastic component 122, universal joint 124, cutter head 130, the configuration of cutting portion 132 and the mode of action, repeat no more in this.
The difference of Fig. 6 to embodiment illustrated in fig. 8 and Fig. 1 to embodiment illustrated in fig. 5 is in universal joint 224 includes one
First connector 224a and one second connector 224b, cutter head 230 are connected to the first connector 224a, and elastic component 222 is connected to
There is a holding tank C, the second connector 224b to have multiple inclined-plane S3 and movable by second connector 224b, the first connector 224a
Ground is contained in holding tank C, an inner surface S4 of holding tank C be suitable for bearing against any inclined-plane S3 so that the first connector 224a and
Cutter head 230 tilts.
Furthermore, there are the inner tube 212 of the present embodiment two recess portion 212a, the first connector 224a to have two protrusions
224a1 is simultaneously movably connected to recess portion 212a by protrusion 224a1, and the second connector 224b has relative to these inclined-planes S3
A cambered surface S5, and the top of elastic component 222 is movably born against by cambered surface S5, to make the first connector 224a and
Two connector 224b carry out band dynamic cutter head 230 with enough start degree of freedom and tilt.In addition, the elastic component 222 of the present embodiment is
Spring leaf, rather than the elastic component 122 of embodiment is compressed spring as shown in Figures 1 to 5.In other embodiments, elastic component can
The appropriate component of flexible deformation can be generated for other, such as elastic polymer component, the present invention limits not to this.
Fig. 9 is the partial component stereogram of the Minimally Invasive Surgery instrument of another embodiment of the present invention.Embodiment shown in Fig. 9
In, inner tube 312, outer tube 314, Buffer Unit 320, elastic component 322, cutter head 330, the configuration of cutting portion 332 and mode of action class
Like Fig. 1 to the configuration of inner tube 112, outer tube 114, Buffer Unit 120, elastic component 122, cutter head 130, cutting portion 132 shown in fig. 5
With the mode of action, repeated no more in this.
The difference of embodiment illustrated in fig. 9 and Fig. 1 to embodiment illustrated in fig. 5 is in Buffer Unit 320 does not have Fig. 1 extremely
Universal joint 124 shown in fig. 5, but so that cutter head 330 is tilted by the flexible deformation of elastic component 322.In addition, the present embodiment
Inner tube 312 in be provided with driving unit 350, rather than the inner tube 112 of embodiment needs external driving unit as shown in Figures 1 to 5.
Specifically, driving unit 350 is connected between the elastic component 322 of Buffer Unit 320 and cutter head 330, and suitable for driving cutter head
330 rotate relative to inner tube 312.Wherein, driving unit 350 includes an actuator 352 and a gear set 354, actuator 352
Motor in this way and the elastic component 322 for being connected to Buffer Unit 320, gear set 354 include driving gear 354a and driven gear
It 354b and is connected between actuator 352 and cutter head 330, makes actuator 352 that can sequentially penetrate driving gear 354a and driven tooth
It takes turns 354b and cutter head 330 is driven to rotate.In addition, gear set 354 also may include the driven gear for being symmetrical with driving gear 354a
354c makes the start of gear set 354 more balance and stablize.
In addition, in the case where the cutter head 330 of the present embodiment has hole 130a as shown in Figure 3, corresponding runner
It can be formed between inner tube 312 and outer tube 314, so that cutting swarf is flowed along flow direction D shown in Fig. 9, however the present invention is not right
This is limited.
Figure 10 is the partial perspective view of the Minimally Invasive Surgery instrument of another embodiment of the present invention.Figure 11 is painted the minimally invasive hand of Figure 10
The partial structurtes of art instrument.In Figure 10 and embodiment illustrated in fig. 11, inner tube 412, outer tube 414, Buffer Unit 420, elastic component
422, configuration Fig. 1 similar with the mode of action of cutter head 430, cutting portion 432 is to inner tube 112 shown in fig. 5, outer tube 114, buffering group
Part 120, elastic component 122, cutter head 130, the configuration of cutting portion 132 and the mode of action, repeat no more in this.
The difference of Figure 10 and embodiment illustrated in fig. 11 and Fig. 1 to embodiment illustrated in fig. 5 is in Buffer Unit 420 does not have
There is Fig. 1 to universal joint 124 shown in fig. 5, but so that cutter head 430 is tilted by the flexible deformation of elastic component 422.In addition,
The cutting portion 432 of the cutter head 430 of the present embodiment is made of multiple edge structures, the cutting of non-cutter head 130 as shown in Figure 3
Portion 132 is made of multiple intaglio structures.In other embodiments, the cutting portion of cutter head can be other appropriate forms, the present invention
It is limited not to this.
Although disclosing the present invention in conjunction with above example, it is not limited to the present invention, any affiliated technology
Have usually intellectual in field, without departing from the spirit and scope of the present invention, can make some changes and embellishment, therefore this hair
Bright protection domain should be subject to what the appended claims were defined.
Claims (16)
1. a kind of Minimally Invasive Surgery instrument, which is characterized in that including：
Main body, including inner tube and outer tube, the wherein inner tube are configured in the outer tube；
One end of Buffer Unit, the Buffer Unit is connected to the inner tube；And
Cutter head is connected to the other end of the Buffer Unit, and wherein the cutter head has cutting portion, when the cutting portion contacts an object
When, which is suitable for making the cutter head to be moved relative to the inner tube to reduce the cutting force between the cutting portion and the object,
And suitable for making the cutting portion be tilted with the surface of the object.
2. Minimally Invasive Surgery instrument as described in claim 1, the wherein Buffer Unit include elastic component, which is connected to this
Between inner tube and the cutter head.
3. Minimally Invasive Surgery instrument as claimed in claim 2, the wherein elastic component are compressed spring, spring leaf or elastic high score
Son.
4. Minimally Invasive Surgery instrument as claimed in claim 2, the wherein Buffer Unit include universal joint, universal joint connection
Between the elastic component and the cutter head.
5. Minimally Invasive Surgery instrument as claimed in claim 4, the wherein universal joint include the first connector and the second connector,
First connector has convex spherical, which has concave spherical surface and to be movably connected to this by the concave spherical surface convex
Spherical surface, the cutter head are connected to first connector, which is connected to second connector.
6. Minimally Invasive Surgery instrument as claimed in claim 4, the wherein universal joint include the first connector and the second connector,
There is first connector holding tank, second connector to have multiple inclined-planes and movably be contained in the holding tank, the appearance
Receive slot an inner surface be suitable for bear against any inclined-plane so that first connector tilt, the cutter head be connected to this first connection
Part, the elastic component are connected to second connector.
7. there is an at least recess portion, first connector to have for Minimally Invasive Surgery instrument as claimed in claim 6, the wherein inner tube
An at least protrusion is simultaneously movably connected to the recess portion by the protrusion.
8. Minimally Invasive Surgery instrument as claimed in claim 6, wherein second connector have the arc relative to those inclined-planes
Face, and the elastic component is movably born against by the cambered surface.
9. Minimally Invasive Surgery instrument as described in claim 1, including driving unit, the wherein driving unit are suitable for driving the cutter head
Rotation.
10. Minimally Invasive Surgery instrument as claimed in claim 9, the wherein driving unit be connected to the Buffer Unit and the cutter head it
Between, and suitable for driving the cutter head to be rotated relative to the inner tube.
11. Minimally Invasive Surgery instrument as claimed in claim 10, the wherein driving unit include actuator and gear set, the actuating
Device is connected to the Buffer Unit, which is connected between the actuator and the cutter head.
12. Minimally Invasive Surgery instrument as claimed in claim 10, the wherein driving unit are connected to the inner tube, and should suitable for driving
Inner tube and the cutter head are rotated together relative to the outer tube.
13. Minimally Invasive Surgery instrument as described in claim 1, the wherein cutter head have an at least hole, the object is by the cutting
Generated cutting swarf is discharged by the hole along the main body after portion's cutting.
14. Minimally Invasive Surgery instrument as claimed in claim 13, including suction offer portion, the wherein object are cut by the cutting portion
Generated cutting swarf is moved suitable for the suction provided by the suction offer portion along the main body afterwards.
15. Minimally Invasive Surgery instrument as described in claim 1, the wherein outer diameter of the cutter head are less than 10 millimeters.
16. Minimally Invasive Surgery instrument as described in claim 1, wherein Buffer Unit are configured at least partly within the inner tube,
There are stop configurations, the Buffer Unit to bear against the stop configurations within the inner tube.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762466380P | 2017-03-03 | 2017-03-03 | |
| US62/466,380 | 2017-03-03 | ||
| TW107106766A TWI642401B (en) | 2017-03-03 | 2018-03-01 | Minimally invasive surgical device |
| TW107106766 | 2018-03-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108523961A true CN108523961A (en) | 2018-09-14 |
| CN108523961B CN108523961B (en) | 2021-01-26 |
Family
ID=63486317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810175033.8A Active CN108523961B (en) | 2017-03-03 | 2018-03-02 | Minimally invasive surgical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108523961B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110101430A (en) * | 2019-05-31 | 2019-08-09 | 辛志军 | The colyliform device for excising of interverbebral disc under a kind of adjustable type backbone scope |
| CN110711009A (en) * | 2019-11-08 | 2020-01-21 | 遵义医学院附属医院 | Adjustable shear type intervertebral disc resection device under backbone scope |
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