CN106821470A - A kind of paracentesis trocar and puncture rotation take device - Google Patents
A kind of paracentesis trocar and puncture rotation take device Download PDFInfo
- Publication number
- CN106821470A CN106821470A CN201710189816.7A CN201710189816A CN106821470A CN 106821470 A CN106821470 A CN 106821470A CN 201710189816 A CN201710189816 A CN 201710189816A CN 106821470 A CN106821470 A CN 106821470A
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- Prior art keywords
- inner core
- epitheca
- rotary
- core end
- paracentesis trocar
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- 241000463219 Epitheca Species 0.000 claims abstract description 57
- 239000011159 matrix material Substances 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000001225 therapeutic effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 231100000732 tissue residue Toxicity 0.000 description 2
- 208000018650 Intervertebral disc disease Diseases 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 208000021600 intervertebral disc degenerative disease Diseases 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgical Instruments (AREA)
Abstract
Device is taken the invention provides a kind of paracentesis trocar and puncture rotation, belongs to medical instruments field.Paracentesis trocar includes epitheca and inner core, and epitheca is separably sheathed on inner core outside；Epitheca is hollow tubular structure, and epitheca includes the first epitheca end, and the first epitheca end is provided with multiple blades, and multiple blades surround cone-shaped structure, multiple blades can it is close to each other or away from；Inner core is hollow tubular structure, and inner core includes the first inner core end, sealed bladder is arranged with the first inner core end, and sealed bladder is fixedly linked with interior outer core.Puncture rotation and take device, including rotary cut device and paracentesis trocar, rotary cut device is adapted to the inside of epitheca.The paracentesis trocar and puncture rotation that the present invention is provided take device, have the advantages that simple structure, low cost, therapeutic effect are good.
Description
Technical field
The present invention relates to medical instruments field, device is taken in particular to a kind of paracentesis trocar and puncture rotation.
Background technology
With the change of people life style, sitting and shortage motion cause increasing people to suffer from protrusion of lumber intervertebral disc
Disease, great pain is brought to modern.
In the prior art, the treatment method of the protrasion of the lumbar intervertebral disci is mostly to perform the operation or puncture medication, treatment time is more long,
High cost, therapeutic effect is undesirable.
The content of the invention
Device is taken the invention provides a kind of paracentesis trocar and puncture rotation, it is intended to solve puncture rotation in the prior art and take device
The above mentioned problem of presence.
What the present invention was realized in：
A kind of paracentesis trocar, including epitheca and inner core, epitheca are separably sheathed on inner core outside；
Epitheca is hollow tubular structure, and epitheca includes the first epitheca end, and the first epitheca end is provided with multiple blades, Duo Geye
Piece surrounds cone-shaped structure, multiple blades can it is close to each other or away from；
Inner core is hollow tubular structure, and inner core includes the first inner core end, sealed bladder is arranged with the first inner core end, seals
Capsule is fixedly linked with interior outer core.
In preferred embodiment of the invention, the first inner core end is conical structure, between the first inner core end and sealed bladder
Form sealing space；
The conical surface at the first inner core end is provided with side opening, core inner and sealing space in side opening connection.
In preferred embodiment of the invention, be provided with fixed station at the circular cone tip on the first inner core end, sealed bladder with
Fixed station is fixedly linked.
In preferred embodiment of the invention, fixed station is provided with locating slot, and locating slot is on fixed station near the
The side at one inner core end, locating slot is adapted to multiple blades.
In preferred embodiment of the invention, inner core also includes the second inner core end and movable part, the second inner core end and the
One inner core end is oppositely arranged, and movable part is slidably positioned in the second inner core end, and movable part is provided with seal, and seal is caused
Sealed between movable part and inner core inwall.
In preferred embodiment of the invention, outer wall of the inner core near the second inner core end is provided with the first instruction area, uses
In the position for indicating the relative second inner core end of movable part.
One kind punctures rotation and takes device, including rotary cut device and above-mentioned paracentesis trocar, and rotary cut device is adapted to the inside of epitheca；
Rotary cut device includes matrix and rotary-cut portion, and matrix is rod-like structure, and rotary cut device one end is provided with rotary-cut portion, and rotary-cut portion is spiral shell
Rotation shape.
In preferred embodiment of the invention, rotary cut device also includes operating portion, and operating portion is located at rotary cut device away from rotary-cut
The other end in portion, operating portion is connected with matrix.
In preferred embodiment of the invention, operating portion is rod-like structure, and operating portion is perpendicular to matrix.
In preferred embodiment of the invention, matrix is provided with the second instruction area, for indicate the screw-in of rotary cut device away from
From.
The beneficial effects of the invention are as follows：The paracentesis trocar and puncture rotation that the present invention is obtained by above-mentioned design take device, make
Used time, simple to operate, therapeutic process block, treatment cost is low, and the wound left after treatment is small；After through treatment, tissue to be removed
Substantially diminish, can greatly mitigate the pain of patient.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of embodiment of the present invention, below will be to be used needed for implementation method
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not to be seen as
It is the restriction to scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other related accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the paracentesis trocar of the offer of embodiment one in embodiment of the present invention；
Fig. 2 is the structural representation of the inner core for removing sealed bladder that embodiment of the present invention is provided；
Fig. 3 is the structural representation of the inner core that embodiment of the present invention is provided；
Fig. 4 is the structural representation of the sealed bladder inner core in the expanded state that embodiment of the present invention is provided；
Fig. 5 is the structural representation of the epitheca that the blade that embodiment of the present invention is provided is softened；
Fig. 6 is the schematic diagram when rotary cut device that embodiment of the present invention is provided inserts epitheca；
Fig. 7 is the structural representation of the rotary cut device that embodiment of the present invention is provided；
Fig. 8 is the partial enlarged drawing in VIII portions in Fig. 7；
Fig. 9 is the structural representation of the inner core of the offer of embodiment two in embodiment of the present invention；
Figure 10 is the structural representation of the movable part of the offer of embodiment two in embodiment of the present invention.
Icon：001- punctures rotation and takes device；100- paracentesis trocars；200- rotary cut devices；130- epithecas；150- inner cores；132-
First epitheca end；1322- blades；The first inner cores of 152- end；The second inner cores of 154- end；156- fixed stations；1562- locating slots；
1522- side openings；1524- sealed bladders；220- rotary-cuts portion；260- matrixes；240- operating portions；262- second indicates area；158- activities
Part；1542- first indicates area；1582- seals.
Specific embodiment
To make the purpose, technical scheme and advantage of embodiment of the present invention clearer, implement below in conjunction with the present invention
Accompanying drawing in mode, is clearly and completely described to the technical scheme in embodiment of the present invention, it is clear that described reality
The mode of applying is a part of implementation method of the invention, rather than whole implementation methods.Based on the implementation method in the present invention, ability
The every other implementation method that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.Therefore, the detailed description of embodiments of the present invention below to providing in the accompanying drawings is not intended to limit and wants
The scope of the present invention of protection is sought, but is merely representative of selected implementation method of the invention.Based on the implementation method in the present invention,
The every other implementation method that those of ordinary skill in the art are obtained under the premise of creative work is not made, belongs to this
Invent the scope of protection.
In the description of the invention, it is to be understood that the term of indicating position or position relationship is based on shown in accompanying drawing
Orientation or position relationship, be for only for ease of the description present invention and simplify and describe, rather than indicating or imply signified equipment
Or element with specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or two interaction relationships of element.For the ordinary skill in the art, can be according to specific feelings
Condition understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with or below second feature
Including the first and second feature directly contacts, it is also possible to including the first and second features be not directly contact but by them it
Between other characterisation contact.And, fisrt feature is on second feature, top and above include that fisrt feature is special second
Directly over levying and oblique upper, or fisrt feature level height is merely representative of higher than second feature.Fisrt feature second feature it
Under, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level height
Less than second feature.
Embodiment one：
Present embodiments provide a kind of puncture rotation and take device 001, refer to Fig. 1 and Fig. 6, this puncture rotation takes device 001
Device is taken including paracentesis trocar 100 and rotation.
Fig. 1 is referred to, paracentesis trocar 100 includes epitheca 130 and inner core 150.Epitheca 130 is separably sheathed on inner core
150 outside.
Epitheca 130 is hollow tubular structure.Epitheca 130 includes the first epitheca end 132, and the first epitheca end 132 is provided with
Multiple blades 1322, multiple blades 1322 surround cone-shaped structure.Multiple blades 1322 can be close to each other or away from so that
The closure of one epitheca end 132 is that cone-shaped structure or umbrella open (referring to Fig. 5).Specifically, the quantity of blade 1322 can set
It is set to three or four or other positive integers more than three.
Fig. 2, Fig. 3 and Fig. 4 are referred to, inner core 150 is hollow tubular structure.Inner core 150 include the first inner core end 152,
Second inner core end 154 and fixed station 156.
First inner core end 152 and the second inner core end 154 are oppositely arranged.First inner core end 152 is cone-shaped structure.Fixed station
The 156 relatively tips (i.e. radius smaller part) for being connected to the circular conical surface on the first inner core end 152.Fixed station 156 is provided with locating slot
1562.Specifically, locating slot 1562 is annular groove.
When epitheca 130 is sheathed on the outside of inner core 150, and multiple blades 1322 on epitheca 130 are when being in rounding state, outward
Multiple blades 1322 on sheath 130 are placed in locating slot 1562, realize the positioning of blade 1322, are easy to medical personnel to operate.
Sealed bladder 1524 is connected with first inner core end 152.The outer surface sealing at the inner core end 152 of sealed bladder 1524 and first
It is connected.Sealing space is formed between the outer surface at the one end of sealed bladder 1524 and the first inner core end 152.The wall of first inner core end 152
It is provided with the inner space of side opening 1522, the communication seals space of side opening 1522 and inner core 150.
The other end of sealed bladder 1524 is fixedly linked with fixed station 156.
Second inner core end 154 is used to be used cooperatively with existing injector for medical purpose, i.e.,：By going out for existing injector for medical purpose
Mouth is placed in the second inner core end 154, and is coordinated with the second inner core end 154, you can noted to inside inner core 150 by injector for medical purpose
Enter air or water, and expand sealed bladder 1524.
Fig. 7 is referred to, rotary cut device 200 includes matrix 260, rotary-cut portion 220 and operating portion 240.
Matrix 260 is rod-like structure, and the one end of matrix 260 is connected with rotary-cut portion 220, the other end of matrix 260 and operating portion 240
It is connected.
Rotary-cut portion 220 is spirality.The axis in rotary-cut portion 220 extends along the length direction of matrix 260.
240 rod-like structures of operating portion, the length direction of operating portion 240 is vertical with the length direction of matrix 260.
Fig. 8 is referred to, the one end on matrix 260 near operating portion 240 is provided with the second instruction area 262.Second indicates area 262
Scale is marked with, the screw-in distance for indicating rotary cut device 200.
The application method that the puncture rotation that the present invention is provided takes device 001 is such：Epitheca 130 is sheathed on inner core 150
Outside, and the blade 1322 on epitheca 130 is placed in locating slot 1562, realize the positioning of blade 1322.When the tip of epitheca 130
Reach the tissue to be removed for swapping out (such as：Protrusion of lumber intervertebral disc thing) behind surface, injected to inside inner core 150 using injector for medical purpose
Air or liquid, so that sealed bladder 1524 expands, strut the umbrella of each blade 1322 on the first epitheca end 132, so as to arrange
Interference except normal structures such as nerves to operating process, and reserve enough operating spaces.When each on the first epitheca end 132
After blade 1322 is strutted, the air or liquid in sealed bladder 1524 are suctioned out, exit inner core 150.By rotary cut device 200 to entering epitheca
Inside 130, the rotary-cut portion 220 of rotary cut device 200 is set to reach tissue surface to be removed.Rotation process portion 240, revolves rotary-cut portion 220
Enter tissue to be removed.Now, medical personnel can indicate area 262 to sentence with the relative position of epitheca 130 according to second on matrix 260
It is disconnected to screw in distance.After rotary-cut portion 220 screws in appropriate depth, pull operation portion 240 can be taken off tissue to be removed.
If by above operating process, still there is tissue residue to be removed, remaining tissue is taken out using nucleus pulposus clamp.
The puncture rotation that the present invention is provided takes the beneficial effect of device 001 and is：The puncture rotation that the present invention is provided takes device 001
Simple structure, it is with low cost, contribute to reduce treatment cost；Therapeutic process is simple, and treatment time is short；It is to be removed after treatment
Tissue disappear or substantially diminish, the slight illness of patient is relieved.
Embodiment two：
Present embodiments provide a kind of puncture rotation and take device 001, refer to Fig. 1 and Fig. 6, this puncture rotation takes device 001
Device is taken including paracentesis trocar 100 and rotation.
Paracentesis trocar 100 includes epitheca 130 and inner core 150.Epitheca 130 is separably sheathed on the outside of inner core 150.
Epitheca 130 is hollow tubular structure.Epitheca 130 includes the first epitheca end 132, and the first epitheca end 132 is provided with
Multiple blades 1322, multiple blades 1322 surround cone-shaped structure.Multiple blades 1322 can be close to each other or away from so that
The closure of one epitheca end 132 is that cone-shaped structure or umbrella are opened.Specifically, the quantity of blade 1322 could be arranged to three or four
Individual or other positive integers more than three.
Inner core 150 is hollow tubular structure.Inner core 150 includes the first inner core end 152, the second inner core end 154 and fixes
Platform 156.
First inner core end 152 and the second inner core end 154 are oppositely arranged.First inner core end 152 is cone-shaped structure.Fixed station
The 156 relatively tips (that is, radius smaller part) for being connected to the circular conical surface on the first inner core end 152.Fixed station 156 is provided with locating slot
1562.Specifically, locating slot 1562 is annular groove.
When epitheca 130 is sheathed on the outside of inner core 150, and multiple blades 1322 on epitheca 130 are when being in rounding state, outward
Multiple blades 1322 on sheath 130 are placed in locating slot 1562, realize the positioning of blade 1322, are easy to medical personnel to operate.
Sealed bladder 1524 is connected with first inner core end 152.The outer surface sealing at the inner core end 152 of sealed bladder 1524 and first
It is connected.Sealing space is formed between the outer surface at the one end of sealed bladder 1524 and the first inner core end 152.The wall of first inner core end 152
It is provided with the inner space of side opening 1522, the communication seals space of side opening 1522 and inner core 150.
The other end of sealed bladder 1524 is fixedly linked with fixed station 156.
Fig. 9 is referred to, the second inner core end 154 is provided with the movable part 158 being adapted to the second inner core end 154.Movable part 158
It is slidably positioned in inner core 150, movable part 158 is provided with seal 1582 (referring to Figure 10), seal 1582 and inner core
150 inwalls are closely coupled, realize it is airtight so that promote movable part 158, you can realize expansion or the receipts of sealed bladder 1524
Contracting.
Inner core 150 leans on the outer surface into the second inner core end 154 to be provided with the first instruction area 1542.First indicates in area 1542
Graduation mark is provided with, the liquid or the volume of gas of advance distance or instruction propulsion for movable part 158.
Rotary cut device 200 includes matrix 260, rotary-cut portion 220 and operating portion 240.
Matrix 260 is rod-like structure, and the one end of matrix 260 is connected with rotary-cut portion 220, the other end of matrix 260 and operating portion 240
It is connected.
Rotary-cut portion 220 is spirality.The axis in rotary-cut portion 220 extends along the length direction of matrix 260.
240 rod-like structures of operating portion, the length direction of operating portion 240 is vertical with the length direction of matrix 260.
One end on matrix 260 near operating portion 240 is provided with the second instruction area 262.Second instruction area 262 is marked with quarter
Degree, the screw-in distance for indicating rotary cut device 200.
The application method that the puncture rotation that the present invention is provided takes device 001 is such：Epitheca 130 is sheathed on inner core 150
Outside, and the blade 1322 on epitheca 130 is placed in locating slot 1562, realize the positioning of blade 1322, it is to avoid in blade
1322 open in advance.When the tip of epitheca 130 reaches tissue to be removed (such as：Protrusion of lumber intervertebral disc thing) behind surface, to inner core 150
Inside promotes movable part 158, so that sealed bladder 1524 expands, each blade 1322 on the first epitheca end 132 is strutted, so as to arrange
Interference except normal structures such as nerves to operating process, and reserve enough operating spaces.When each on the first epitheca end 132
After blade 1322 is strutted, movable part 158 is pulled out, so that air or liquid in suctioning out sealed bladder 1524, receive sealed bladder 1524
Retreat out inner core 150.By rotary cut device 200 to entering inside epitheca 130, the rotary-cut portion 220 of rotary cut device 200 is set to reach tissue to be removed
Surface.Rotation process portion 240, makes rotary-cut portion 220 screw in tissue to be removed.Now, medical personnel can be according on matrix 260
Two indicate area 262 to judge to screw in distance with the relative position of epitheca 130.After rotary-cut portion 220 screws in appropriate depth, pull operation
Portion 240 can be taken off tissue to be removed.
If by above operating process, still there is tissue residue to be removed, remaining tissue is taken out using nucleus pulposus clamp.
Compared with embodiment one, the inner core 150 in embodiment two carries movable part 158, directly by promoting movable part 158
Sealed bladder 1524 can be expanded.Medical personnel operated without making injector for medical purpose coordinate with inner core 150 again so as to simplify
Journey.
The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the invention, for this area
For technical staff, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made it is any
Modification, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of paracentesis trocar, it is characterised in that including epitheca and inner core, the epitheca is separably sheathed on outside the inner core
Side；
The epitheca is hollow tubular structure, and the epitheca includes the first epitheca end, and the first epitheca end is provided with multiple leaves
Piece, multiple blades surround cone-shaped structure, multiple blades can it is close to each other or away from；
The inner core is hollow tubular structure, and the inner core includes the first inner core end, is arranged with the first inner core end close
Encapsulated, the sealed bladder is fixedly linked with the interior outer core.
2. paracentesis trocar according to claim 1, it is characterised in that the first inner core end is conical structure, described the
Sealing space is formed between one inner core end and the sealed bladder；
The conical surface at the first inner core end is provided with side opening, and the side opening connects the interior core inner and the sealing space.
3. paracentesis trocar according to claim 2, it is characterised in that be provided with the circular cone tip on the first inner core end
Fixed station, the sealed bladder is fixedly linked with the fixed station.
4. paracentesis trocar according to claim 3, it is characterised in that the fixed station is provided with locating slot, the positioning
Near the side at the first inner core end on the fixed station, the locating slot is adapted to groove with multiple blades.
5. paracentesis trocar according to claim 1, it is characterised in that the inner core also includes the second inner core end and activity
Part, the second inner core end is oppositely arranged with the first inner core end, and the movable part is slidably positioned at second inner core
In end, the movable part is provided with seal, and the seal causes to be sealed between the movable part and the inner core inwall.
6. paracentesis trocar according to claim 5, it is characterised in that outer wall of the inner core near the second inner core end
The first instruction area is provided with, the position for indicating the relatively described second inner core end of the movable part.
7. a kind of puncture rotation takes device, it is characterised in that including rotary cut device and wearing as described in any one in claim 1-6
Thorn trocar, the rotary cut device is adapted to the inside of the epitheca；
The rotary cut device includes matrix and rotary-cut portion, and described matrix is rod-like structure, and described rotary cut device one end is provided with rotary-cut portion, institute
Rotary-cut portion is stated for spirality.
8. puncture rotation according to claim 7 takes device, it is characterised in that the rotary cut device also includes operating portion, described
Operating portion is located at the other end of the rotary cut device away from the rotary-cut portion, and the operating portion is connected with described matrix.
9. puncture rotation according to claim 8 takes device, it is characterised in that the operating portion is rod-like structure, the behaviour
Make portion perpendicular to described matrix.
10. puncture rotation according to claim 8 takes device, it is characterised in that near the operating portion in described matrix
One end is provided with the second instruction area, the screw-in distance for indicating the rotary cut device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710189816.7A CN106821470A (en) | 2017-03-27 | 2017-03-27 | A kind of paracentesis trocar and puncture rotation take device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710189816.7A CN106821470A (en) | 2017-03-27 | 2017-03-27 | A kind of paracentesis trocar and puncture rotation take device |
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| CN106821470A true CN106821470A (en) | 2017-06-13 |
Family
ID=59131120
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|---|---|---|---|
| CN201710189816.7A Pending CN106821470A (en) | 2017-03-27 | 2017-03-27 | A kind of paracentesis trocar and puncture rotation take device |
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| CN106535779A (en) * | 2014-07-15 | 2017-03-22 | 波士顿科学国际有限公司 | Eus guided access device |
| CN105832424A (en) * | 2016-03-17 | 2016-08-10 | 中国人民解放军第三军医大学第二附属医院 | Medical expanding protective cover and using method thereof |
| CN207356118U (en) * | 2017-03-27 | 2018-05-15 | 江卫泽 | A kind of paracentesis trocar and puncture rotation take device |
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Application publication date: 20170613 |