CN106175843A - A kind of rotary-cut pin with prevention needle track implantation - Google Patents
A kind of rotary-cut pin with prevention needle track implantation Download PDFInfo
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- CN106175843A CN106175843A CN201610871159.XA CN201610871159A CN106175843A CN 106175843 A CN106175843 A CN 106175843A CN 201610871159 A CN201610871159 A CN 201610871159A CN 106175843 A CN106175843 A CN 106175843A
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- 238000002513 implantation Methods 0.000 title claims abstract description 19
- 230000002265 prevention Effects 0.000 title claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 12
- 241000498255 Enterobius vermicularis Species 0.000 claims description 15
- 238000012856 packing Methods 0.000 claims description 12
- 210000000078 claw Anatomy 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000011664 signaling Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000005070 sampling Methods 0.000 abstract description 10
- 238000001574 biopsy Methods 0.000 description 5
- 201000010099 disease Diseases 0.000 description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 5
- 208000030270 breast disease Diseases 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 210000000481 breast Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010001233 Adenoma benign Diseases 0.000 description 1
- 208000007659 Fibroadenoma Diseases 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- 241000514745 Mactra Species 0.000 description 1
- 206010027476 Metastases Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 201000003149 breast fibroadenoma Diseases 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 208000028715 ductal breast carcinoma in situ Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or 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
- A61B10/0275—Pointed or sharp biopsy instruments means for severing sample with sample notch, e.g. on the side of inner stylet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
- A61B10/0041—Detection of breast cancer
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oncology (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of rotary-cut pin with prevention needle track implantation, seat is fixed including overcoat, overcoat base, inner sleeve base, sample storage device, needle point Telescopic rotation mechanism and inner sleeve Telescopic rotating cutting mechanism, described overcoat base and inner sleeve base are separately fixed at the two ends that overcoat is fixed in seat, described sample storage device is fixedly installed on overcoat and fixes seat one end away from trocar sheath, described overcoat base is further fixed on trocar sheath away from one end of inner sleeve base, described needle point Telescopic rotation mechanism and inner sleeve Telescopic rotating cutting mechanism are separately positioned in overcoat base and inner sleeve base, described needle point Telescopic rotation mechanism includes needle point and the needle cannula being welded to each other, described needle point and needle cannula are arranged in trocar sheath, and move axially in trocar sheath.The rotary-cut pin of the present invention is after sampling cutting completes, and when needing to exit rotary-cut pin, rotary-cut pin needle point cut out portion flexible is entered in sleeve pipe, prevents from causing needle track implantation to shift when rotary-cut pin exits needle track.
Description
Technical field
The present invention relates to medical treatment device, particularly relate to a kind of rotary-cut pin with prevention needle track implantation.
Background technology
China's mastopathy sickness rate is the highest, and numerous disease such as fibroadenoma etc. need excision, operation to cut clinically
Mouthful substantially, wound is relatively big, unsightly and costly；It is difficult to clinic touch occult disease or harrow before treatment, needed in the past
Clarified a diagnosis in the preoperative by fine needle aspirate cytology or automatic biopsy gun, but still suffer from false negative and vacation owing to specimen of drawing materials is little
Positive possibility, is difficult to differentiate for Atypical intraductal hyperplasia and ductal carcinoma in situ(DCIS), it is impossible to be provided with to clinical treatment especially
Effect helps, so introducing a kind of simple to operate, technical security, reliable technology, can show lesions position, reality at short notice
Time monitor operation overall process, there is again Wicresoft, painless sampling and the equipment of thorough treatment, few intercurrent disease etc., be badly in need of very much and must
Want.
Mastopathy is the disease that gynecological is common, clarifies a diagnosis, to treat this disease in time particularly significant, particularly canceration lump, as
Fruit makes a definite diagnosis in time, treats, and its success rate is the highest.Diagnosis and the treatment most common method of mastopathy is to puncture at present, passes through
Puncture the character that may determine that mastopathy, reach inspection or the purpose cured.
The state-of-the-art puncture in existing market rotating-cutting equipment, such as peace Mactra sulcatria Deshayes, Mai Motong, Hao Lejie, at breast puncture Post operation, very
There may exist tumor to spread along needle track transfer and pathogenic infection along needle track, this is a risk point the most serious, but mesh
Before not yet take any effective measures to prevent.Therefore, the most effectively prevent the postoperative needle track of breast puncture to spread, keep away
The problem exempting from neoplasm metastasis or the infection diffusion caused because of breast puncture needs solution badly.
Summary of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide a kind of easy to use, structure is reliable and has
The rotary-cut pin of prevention needle track implantation.
To achieve these goals, present invention employs following technical scheme:
A kind of rotary-cut pin with prevention needle track implantation, fixes seat, overcoat base, inner sleeve base, sample storage dress including overcoat
Put, needle point Telescopic rotation mechanism and inner sleeve Telescopic rotating cutting mechanism, described overcoat base and inner sleeve base are separately fixed at
The two ends in seat fixed by overcoat, and described sample storage device is fixedly installed on overcoat and fixes seat one end away from trocar sheath, described
Overcoat base is further fixed on trocar sheath, described needle point Telescopic rotation mechanism and inner sleeve Telescopic rotating away from one end of inner sleeve base
Cutting mechanism is separately positioned in overcoat base and inner sleeve base, and described needle point Telescopic rotation mechanism includes the needle point being welded to each other
And needle cannula, described needle point and needle cannula are arranged in trocar sheath, and move axially in trocar sheath.
Preferably: described needle point Telescopic rotation mechanism also includes telescopic extension block, geared sleeve b and gear b, described
One end of needle cannula is welded with needle point, the other end and telescopic extension block tight fit, and needle cannula is on the sidewall of needle point one end
Being further opened with cutting through hole, described geared sleeve b one end and gear b tight fit, the other end is set on telescopic extension block, described set
Pipe telescopic block is axially free slip in geared sleeve b, and telescopic extension block is fixed radial through draw-in groove with geared sleeve b.
Preferably: on described telescopic extension block, be also carved with the numerical value for showing rotated angle, described tooth
Packing ring b it is additionally provided with between wheel case b and gear b.
Preferably: described needle point Telescopic rotation mechanism also includes gear a, inner sleeve and geared sleeve a, described inner sleeve card
Being located on telescopic extension block, described geared sleeve a and gear a is arranged on the outside of geared sleeve b, and geared sleeve a one end is tight with gear a
Coordinate, the other end of described inner sleeve and geared sleeve a tight fit, described geared sleeve a axially free slip in inner sleeve, geared sleeve a
Fix radial through draw-in groove with inner sleeve, between described inner sleeve and overcoat base, pass through threaded engagement.
Preferably: described telescopic extension block is additionally provided with a circle groove near one end of needle cannula, described inner sleeve
One end is provided with multiple claw vertically, and described inner sleeve is fixed by the fastening gap of claw with groove with telescopic extension block.
Preferably: be additionally provided with in described needle cannula for the position signalling of needle point is sent to motor handle
One positioning sliding block.
Preferably: between described geared sleeve a and gear a, be additionally provided with packing ring a.
Preferably: described inner sleeve Telescopic rotating cutting mechanism includes inner sleeve, gear c, interior pin worm gear, transmission
Bar and tailstock, described inner sleeve is arranged in needle cannula, and described inner sleeve head one end is sawtooth, and is provided with chamfer, saw
Tooth side is provided with small sircle hole, inner sleeve afterbody rear end and interior pin worm gear tight fit, and described interior pin worm gear is by four drive links even
Meeting gear c, between described interior pin worm gear and inner sleeve base, casing threads coordinates.
Preferably: be additionally provided with for the position signalling of inner sleeve is sent to motor handle on described interior pin worm gear
The second positioning sliding block, described gear c is respectively provided on two sides with packing ring c and packing ring d,
Preferably: described sample storage device includes sample cell, sample box buckle, sample box shell, water filling port and sample
Product groove handle, sample box shell is stuck on inner sleeve base by sample box buckle, and water filling port is stuck in sample box outer casing back, sample
Groove and sample cell handle snaps are inserted in sample box shell after connecting.
The present invention is fixed by gear, geared sleeve with needle cannula and coordinates motor handle to achieve the rotation of needle cannula,
The flexible threaded engagement by inner sleeve with overcoat base of needle cannula realizes simultaneously, the Telescopic rotating of described inner sleeve by worm screw and
Drive link coordinates realization, and the relatively independent reliability of the reasonable and each mechanism of compact conformation is high；It addition, the rotary-cut pin of the present invention is in sampling
After having cut, when needing to exit rotary-cut pin, rotary-cut pin needle point cut out portion flexible is entered in sleeve pipe, prevents from exiting at rotary-cut pin
Needle track implantation is caused to shift during needle track.
Accompanying drawing explanation
Fig. 1 is the structural representation of whole biopsy system.
Fig. 2 is the integrally-built exploded perspective view of the present invention.
Fig. 3 is the schematic diagram of needle point rotational structure of the present invention.
Fig. 4 is the schematic diagram of needle point stretching structure of the present invention.
Fig. 5 is the stretching structure schematic diagram of the inner sleeve of the present invention.
Fig. 6 is the mounting structure schematic diagram of the sample storage member of the present invention.
Fig. 7 is the installation cross-sectional view of the sample storage member of the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " clockwise ", " inverse
Hour hands " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description
Invention and simplification describe rather than indicate or imply that the device of indication or element must have specific orientation, with specific square
Position structure and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In describing the invention, except as otherwise noted, " multiple " are meant that two
Individual or two or more, unless otherwise clear and definite restriction.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；It can be machine
Tool connects, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two units
Connection within part.For the ordinary skill in the art, can understand that above-mentioned term is at this as the case may be
Concrete meaning in bright.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
Can include that the first and second features directly contact, it is also possible to include that the first and second features are not directly contact but by it
Other characterisation contact between.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include that fisrt feature immediately below second feature and obliquely downward, or is merely representative of
Fisrt feature level height is less than second feature.
A kind of biopsy biopsy system as shown in Figure 1, including rotary-cut pin, motor handle and control system.Rotary-cut pin is whole
One sampling cutting part of individual biopsy system, motor handle and the matched use of whole control system, described control system
Including control unit, power-supply system and negative pressure system, described motor handle coordinates driving rotary-cut pin to carry out by buckle and gear
Sampling cutting, then by the negative pressure system in control system, the tissue of sampling cutting is sucked in the sampling groove of rotary-cut pin.
A kind of rotary-cut pin with prevention needle track implantation as shown in Fig. 2-Fig. 7, fixes seat 6, overcoat base including overcoat
8, inner sleeve base 11, trocar sheath 4, sample storage device, needle point Telescopic rotation mechanism and inner sleeve Telescopic rotating cutting mechanism, institute
Stating overcoat base 8 and inner sleeve base 11 is separately fixed at overcoat and fixes the two ends in seat 6, described trocar sheath 4 is fixed on trocar sheath
Seat 8 is fixedly installed on overcoat fixes seat 6 away from the one of trocar sheath 4 away from one end of inner sleeve base 11, described sample storage device
End.
Described needle point Telescopic rotation mechanism is arranged in overcoat base 8, including needle point 1, needle cannula 2, telescopic extension block 7,
Geared sleeve b19, gear b16, gear a14, inner sleeve 5 and geared sleeve a10, described needle cannula 2 is arranged in trocar sheath 4, described pin
One end of sleeve pipe 2 is welded with needle point 1, the other end and telescopic extension block 7 tight fit, and needle cannula 2 is near the sidewall of needle point 1 one end
On be further opened with cutting through hole, described geared sleeve b19 one end and gear b16 tight fit, the other end is set in telescopic extension block 7
On, described telescopic extension block 7 axially can slidably in geared sleeve b19, and telescopic extension block 7 is the most logical with geared sleeve b19
Cross draw-in groove to fix, therefore along with the rotation of gear b16, drive whole needle cannula 2 to rotate, make the cutting through-hole alignment of needle cannula 2
The tissue of cutting need to be sampled, on telescopic extension block 7, be also carved with the numerical value for showing rotated angle, described geared sleeve simultaneously
Packing ring b15 it is additionally provided with between b19 and gear b16.
Described telescopic extension block 7 is additionally provided with a circle groove near one end of needle cannula 2, and one end of described inner sleeve 5 is vertically
Being provided with multiple claw, described inner sleeve 5 and telescopic extension block 7 coordinate phase clamping by claw and groove, and between claw and groove
There is gap, rotate not together, described geared sleeve a10 and gear a14 is arranged on the outside of geared sleeve b19, and geared sleeve a10 mono-
End and gear a14 tight fit, be additionally provided with packing ring a13 between described geared sleeve a10 and gear a14, the other end of described inner sleeve 5 with
Geared sleeve a10 tight fit, described geared sleeve a10 axially can slidably in inner sleeve 5, and geared sleeve a10 is the most logical with inner sleeve 5
Cross that draw-in groove is fixing to be rotated together, by threaded engagement between described inner sleeve 5 and overcoat base 8, when gear a14 rotates, gear
Set a10 drives inner sleeve 5 to rotate, and then makes inner sleeve 5 drive telescopic extension block 7 advance or retreat, so that needle point is at trocar sheath 4
Axially-movable before and after interior work, can be additionally provided with by needle point 1 free indentation or stretch out in trocar sheath 4 in described needle cannula 2
One positioning sliding block 91, the position signalling of needle point 1 can be sent to motor handle, the pin of display rotary-cut pin by described positioning sliding block 91
Position before and after point 1.
Described inner sleeve Telescopic rotating cutting mechanism is arranged on inner sleeve base 11, including inner sleeve 3, gear c17, interior pin snail
Wheel 21, drive link 22 and tailstock 23, described inner sleeve 3 is arranged in needle cannula 2, and described inner sleeve 3 head one end is sawtooth, and
Being provided with chamfer, can cut tissue tartly, sawtooth side is provided with small sircle hole, is used in inner sleeve 3 during vacuum suction, will
Tissue sticks on inner sleeve 3, is conveniently cut down by tissue, inner sleeve 3 afterbody rear end and interior pin worm gear 21 tight fit, described interior
Pin worm gear 21 connects gear c17 by four drive links 22, and described gear c17 is respectively provided on two sides with packing ring c18 and packing ring
D20, between described interior pin worm gear 21 and inner sleeve base 11, casing threads coordinates, and when gear c17 rotates, is carried by drive link 22
In dynamic, pin worm gear 21 makees radial rotary and axial translation in inner sleeve base 11, and described interior pin worm gear 21 is additionally provided with the second location
Slide block 92, position signalling can be sent to motor handle, position before and after display inner sleeve 3 by described second positioning sliding block 92.
Described overcoat is fixed and is additionally provided with gear engaging hole on seat 6, and described gear a14, gear b16, gear c17 are respectively positioned on tooth
In wheel engaging hole.
Described sample storage device includes sample cell 12, sample box buckle 24, sample box shell 25, water filling port 26 and sample
Groove handle 27, sample box shell 25 is stuck on inner sleeve base 11 by sample box buckle 24, and water filling port 26 is stuck in sample box shell
25 rear ends, it is ensured that seal, sample cell 12 and sample cell handle 27 are inserted in sample box shell 25 after snapping connection, water filling port 26
Being provided with the interface of two connection conduits, an interface connects normal saline, rinses the tissue of sampling cutting, and another interface is even
Connect negative pressure system, by vacuum suction, the sample of sampling cutting is drawn in sample cell 12 along inner sleeve 3, if sampling cutting
Sample more, sample cell 12 can be individually replaced.
This rotary-cut needle set has three kinds of states:
1. puncturing state: in piercing process, the cutting through hole in needle cannula 2 contracts in trocar sheath 4, it is to avoid the normal structure of needle track
Enter cutting through hole；
2. cut state: observed by B ultrasonic, when needle point 1 is close to the adjacent tissue of required cutting, cutting through hole reaches required
The lower section of the tissue of cutting carries out circumgyration incision；
3. exiting state: after having cut, needle point 1 and cutting through hole are retracted in trocar sheath 4, exit, it is to avoid the tissue of cutting
Infect the normal structure on needle track.
It should be pointed out that, that above example is only the representative example of the present invention.The present invention can also have many deformation.Every
Any simple modification, equivalent variations and the modification made above example according to the essence of the present invention, is all considered as belonging to this
The protection domain of invention.
Claims (10)
1. there is a rotary-cut pin for prevention needle track implantation, fix seat (6), overcoat base (8), inner sleeve base including overcoat
(11), sample storage device, needle point Telescopic rotation mechanism and inner sleeve Telescopic rotating cutting mechanism, described overcoat base (8) and
Inner sleeve base (11) is separately fixed at overcoat and fixes the two ends in seat (6), and it is solid that described sample storage device is fixedly installed on overcoat
Reservation (6) is away from one end of trocar sheath (4), it is characterised in that: described overcoat base (8) away from inner sleeve base (11) one end also
It is fixed with trocar sheath (4), described needle point Telescopic rotation mechanism and inner sleeve Telescopic rotating cutting mechanism and is separately positioned on trocar sheath
In seat (8) and inner sleeve base (11), described needle point Telescopic rotation mechanism includes needle point (1) and needle cannula (2), the institute being welded to each other
State needle point (1) and needle cannula (2) is arranged in trocar sheath (4), and move axially in trocar sheath (4).
A kind of rotary-cut pin with prevention needle track implantation the most according to claim 1, it is characterised in that: described needle point stretches
Rotating mechanism also includes telescopic extension block (7), geared sleeve b(19) and gear b(16), one end of described needle cannula (2) and needle point
(1) also offer in welding, the other end and telescopic extension block (7) tight fit, and the sidewall of close needle point (1) one end of needle cannula (2)
Have cutting through hole, described geared sleeve b(19) one end and gear b(16) tight fit, the other end is set on telescopic extension block (7),
Described telescopic extension block (7) is at geared sleeve b(19) in axially free slip, telescopic extension block (7) and geared sleeve b(19) the most logical
Cross draw-in groove to fix.
A kind of rotary-cut pin with prevention needle track implantation the most according to claim 2, it is characterised in that: described telescopic extension
Also be carved with the numerical value for showing rotated angle, described geared sleeve b(19 on block (7)) and gear b(16) between be additionally provided with
Packing ring b(15).
A kind of rotary-cut pin with prevention needle track implantation the most according to claim 2, it is characterised in that: described needle point stretches
Rotating mechanism also includes gear a(14), inner sleeve (5) and geared sleeve a(10), described inner sleeve (5) is fastened on telescopic extension block (7)
On, described geared sleeve a(10) and gear a(14) be arranged on geared sleeve b(19) outside, and geared sleeve a(10) one end and gear a
(14) tight fit, the other end of described inner sleeve (5) and geared sleeve a(10) tight fit, described geared sleeve a(10) in inner sleeve (5)
Axially free slip, geared sleeve a(10) fix radial through draw-in groove with inner sleeve (5), described inner sleeve (5) and overcoat base (8) it
Between pass through threaded engagement.
A kind of rotary-cut pin with prevention needle track implantation the most according to claim 4, it is characterised in that: described telescopic extension
Block (7) is additionally provided with a circle groove near one end of needle cannula (2), and one end of described inner sleeve (5) is provided with multiple claw, institute vertically
State inner sleeve (5) to be fixed by the fastening gap of claw with groove with telescopic extension block (7).
6. according to a kind of rotary-cut pin with prevention needle track implantation described in claim 1 or 2 or 4, it is characterised in that: described pin
The first positioning sliding block (91) for the position signalling of needle point (1) being sent to motor handle it is additionally provided with on sleeve pipe (2).
A kind of rotary-cut pin with prevention needle track implantation the most according to claim 4, it is characterised in that: described geared sleeve a
(10) and gear a(14) between be additionally provided with packing ring a(13).
A kind of rotary-cut pin with prevention needle track implantation the most according to claim 1, it is characterised in that: described inner sleeve is stretched
Contracting rotary cutting body includes inner sleeve (3), gear c(17), interior pin worm gear (21), drive link (22) and tailstock (23), described
Inner sleeve (3) is arranged in needle cannula (2), and described inner sleeve (3) head one end is sawtooth, and is provided with chamfer, by sawtooth
While be provided with small sircle hole, inner sleeve (3) afterbody rear end and interior pin worm gear (21) tight fit, described interior pin worm gear (21) passes through four biographies
Lever (22) connects gear c(17), between described interior pin worm gear (21) and inner sleeve base (11), casing threads coordinates.
A kind of rotary-cut pin with prevention needle track implantation the most according to claim 8, it is characterised in that: described interior pin worm gear
(21) the second positioning sliding block (92) for the position signalling of inner sleeve (3) being sent to motor handle, described tooth it are additionally provided with on
Wheel c(17) be respectively provided on two sides with packing ring c(18) and packing ring d(20).
A kind of rotary-cut pin with prevention needle track implantation the most according to claim 1, it is characterised in that: described sample is received
Device of receiving includes sample cell (12), sample box buckle (24), sample box shell (25), water filling port (26) and sample cell handle
(27), sample box shell (25) is stuck on inner sleeve base (11) by sample box buckle (24), and water filling port (26) is stuck in sample box
Shell (25) rear end, sample cell (12) and sample cell handle (27) are inserted into after snapping connection in sample box shell (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610871159.XA CN106175843A (en) | 2016-09-30 | 2016-09-30 | A kind of rotary-cut pin with prevention needle track implantation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610871159.XA CN106175843A (en) | 2016-09-30 | 2016-09-30 | A kind of rotary-cut pin with prevention needle track implantation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106175843A true CN106175843A (en) | 2016-12-07 |
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ID=57520875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610871159.XA Pending CN106175843A (en) | 2016-09-30 | 2016-09-30 | A kind of rotary-cut pin with prevention needle track implantation |
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| Country | Link |
|---|---|
| CN (1) | CN106175843A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356448A (en) * | 2017-07-06 | 2017-11-17 | 杭州森度医疗器械有限公司 | Automatic sampling device for minimally invasive surgery |
| CN107714104A (en) * | 2017-11-24 | 2018-02-23 | 佛山可为医疗科技有限公司 | A kind of driving structure and rotary cutting apparatus |
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| WO2014153410A1 (en) * | 2013-03-20 | 2014-09-25 | Bard Peripheral Vascular, Inc. | Biopsy device |
| CN104188693A (en) * | 2014-07-04 | 2014-12-10 | 杭州通达控制系统有限公司 | Portable circumferential friction spiral cutting biopsy and operation device controlled by microcomputer |
| CN206372069U (en) * | 2016-09-30 | 2017-08-04 | 杭州思客医学科技有限公司 | It is a kind of that there is the rotary-cut pin for preventing needle track implantation |
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- 2016-09-30 CN CN201610871159.XA patent/CN106175843A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107356448A (en) * | 2017-07-06 | 2017-11-17 | 杭州森度医疗器械有限公司 | Automatic sampling device for minimally invasive surgery |
| CN107356448B (en) * | 2017-07-06 | 2023-08-29 | 戴凌虹 | Automatic sampling device for minimally invasive surgery |
| CN107714104A (en) * | 2017-11-24 | 2018-02-23 | 佛山可为医疗科技有限公司 | A kind of driving structure and rotary cutting apparatus |
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Application publication date: 20161207 |