CN109820542A - Breast biopsy sample probe - Google Patents
Breast biopsy sample probe Download PDFInfo
- Publication number
- CN109820542A CN109820542A CN201910104235.8A CN201910104235A CN109820542A CN 109820542 A CN109820542 A CN 109820542A CN 201910104235 A CN201910104235 A CN 201910104235A CN 109820542 A CN109820542 A CN 109820542A
- Authority
- CN
- China
- Prior art keywords
- shell
- fixed
- outer tube
- sample probe
- biopsy sample
- 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.)
- Pending
Links
- 239000000523 sample Substances 0.000 title claims abstract description 39
- 238000001574 biopsy Methods 0.000 title claims abstract description 25
- 210000000481 Breast Anatomy 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 239000000969 carrier Substances 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000000875 corresponding Effects 0.000 claims description 4
- 208000007101 Muscle Cramp Diseases 0.000 claims description 2
- 206010028334 Muscle spasms Diseases 0.000 claims description 2
- 210000000614 Ribs Anatomy 0.000 claims description 2
- 238000009830 intercalation Methods 0.000 claims description 2
- 230000002687 intercalation Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 210000000515 Tooth Anatomy 0.000 description 19
- 210000001519 tissues Anatomy 0.000 description 9
- 238000002627 tracheal intubation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000001575 pathological Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 210000003205 Muscles Anatomy 0.000 description 1
- 210000003491 Skin Anatomy 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 238000001949 anaesthesia Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000789 fastener Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010562 histological examination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 230000001835 salubrious Effects 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000001225 therapeutic Effects 0.000 description 1
- 230000033912 thigmotaxis Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Abstract
A kind of breast biopsy sample probe, including the fixed outer tube in shell one end, the shell other end is connect through connector with collection box, installation is inserted with the outer tube and transmission mechanism of interpolation pipe in shell, transmission mechanism is by being fixed on interpolation pipe gear in tooth shaft, outer tube gear is constituted with carrier wheel on external thread sleeve is fixed on shell one end, outside, interior swivel nut engagement is connected in tooth shaft, interior swivel nut is fixed on interpolation pipe through connector sleeve, transmission mechanism connect work with shell outer driver, shell by shell both ends respectively with tooth set, be connected with fixing seat label seat be tightly fixed it is integral.Tooth covers one end and directly makes outer tube gear and interpolation pipe, carrier wheel on the same axis, its is compact-sized, small in size, good airproof performance, low manufacture cost, assemble between each part be arranged on fixed full utilization part buckle, hook, pawl, pillar, key are completed, it is not required to tool assembly, driver is mounted on hull outside, adjusts convenient for operation, and use scope is wide, service speed is quick, practical.
Description
Technical field
The present invention relates to a kind of medical instruments, take especially for the breast biopsy obtained and transmission active mass's sample uses
Sample probe.
Background technique
To the pathological tissues sampling in breast, diagnosis is provided for doctor and is used or to abnormal under part and complete excision image
Tissue provides histological examination and uses.
Because percutaneous biopsy is more much smaller than open biopsy wound, the pain of patient is also small, so that can
Without using local anaesthesia, while the pretty figure of women can be kept again, therefore taken out from suspect tissue agglomerate using thin probe
The sampling method of fluid and cell, is widely applied clinically.
The patent No. 200710141906.5 biopsy apparatus of auxiliary " vacuum syringe ", though it also provides one kind and is
It is diagnosed or therapeutic purposes, and carries out the check device carried out to intramammary abnormal structure's sample, but its structure is complex, adds
Work, the part of assembly is more, volume is big, cost of manufacture is high, also uses, is inconvenient for operation, time-consuming, laborious.
" the biopsy dress with the ratchet drive mechanism for moving biopsy probe component for body of the patent No. 201180063240.0
Set ", a kind of design feature using ratchet mechanism is provided, the torsionspring of installation storage energy between two ratchets, when having
Side opening alignment in the inside and outside intubation of bite, torsionspring just release energy, and drive outer tube with respect to interpolation pipe phase negative side
To quick rotation, to needing the histocyte of biopsy to be cut, separated, interpolation pipe is drawn by the negative pressure that vacuum pump generates
In lumen, interpolated pipe is transmitted to collection box.
Summary of the invention
The technical problems to be solved by the present invention are: a kind of breast biopsy sample probe is provided, it is compact-sized, simple,
Part is few, and easy processing, easily assembly, low manufacture cost is easy to operate, greatly reduces the sense of discomfort of patient.
The present invention solves the above problems used technical solution: breast biopsy sample probe, including is mounted in shell
Inside and outside intubation, transmission mechanism, shell connect with collection box, and transmission mechanism is connect with driver, and one end of the shell is fixed
The other end of outer tube, shell is connect through connector with collection box, and installation is inserted with the outer tube and transmission mechanism of interpolation pipe in shell,
The transmission mechanism outer tube gear on shell one end and is fixed on external thread sleeve by the interpolation pipe gear that is fixed in tooth shaft
On carrier wheel constitute, the external thread sleeve engages with interior swivel nut and is connected in tooth shaft, and interior swivel nut is fixed on interpolation through connector sleeve
Guan Shang, the transmission mechanism connect work with the driver outside shell, the shell by shell both ends respectively with tooth set, be connected with
The label seat of fixing seat, which is tightly fixed, to be integrally formed, and the shell is mounted on the bracket for being connected with lid and gear cap.
Compared with the prior art, the advantages of the present invention are as follows: 1, only by the part of few several easy processings, string set is at whole
Body is constituted, and there are many function, multi-purpose contents to make full use of for 2, parts, if the big small end of external thread sleeve is different shape, big end
There are screw thread, small end non-threaded, using being threadedly engaged on inside and outside swivel nut, the rotation of external thread sleeve is transformed into and is connect with interior screwed pipe
The axial movement of interpolation pipe keeps interpolation pipe multi-functional with rotating and moving along a straight line, quickly completes cutting and collect purpose.3, institute
The side opening on one end of shell on markedness block and outer tube is stated on same position, in outer tube insertion tissue samples,
The position of outer tube side opening that outside can't see is indicated by mark block, tissue samples of being more convenient for are taken, and 4, shell is by band
It is integral that label seat, shell and the tooth of fixing seat cover connection, and tooth covers one end and directly produces outer tube gear and and interpolation pipe
Gear, carrier wheel are on the same axis, compact-sized, small in size, good airproof performance, low manufacture cost, the assembly between 5, each part
It is fixed be fully utilized be arranged on each part buckle, hook, pawl, pillar, key are completed, be not required to fastener, can both have been assembled without tool,
It is time saving, laborsaving, it is good appearance, salubrious.6, driver installs the hull outside in this medical instrument, the installation for instrument of being more convenient for and
It is accurate to adjust, in addition both can be manual, when disassembling external support, it can also be installed and used on vertical or horizontal machine, expand use
Range, service speed is quick, reduces the sense of discomfort of patient, practical.
Detailed description of the invention
Fig. 1, structural schematic diagram of the invention (taking away collection box, sheath).
Fig. 2, schematic structural view of the invention (taking away bracket, external support, sheath, collection box).
Fig. 3, axonometric drawing of the invention (taking away collection box part).
Fig. 4, usage state diagram of the invention (taking away sheath).
Fig. 5, carrier wheel plane amplification assumption diagram.
Fig. 6, gear cap and bracket connect enlarged drawing.
Specific embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawing.
Outer tube 1: open at one end, the other end is closed triangled tip, has side opening 12 on the outer tube wall of tip, is fixed on mark
Remember seat 2,3 one end inner cavity of shell fixing seat 22 on, sheath 18 is cased with outside outer tube.
Interpolation pipe 4: open at one end, the other end has the oscillation tubular type cutter 41 with opening.
External thread sleeve 8: there is connecting key 84 in upper end at outer surface edge, there are interrupted Internal Pipe Thread 81, appearance in lower end without pipe screw thread
There is the interval trough 82 lower than plane in face, there is through-hole on upper and lower interface, there is opening under interface, and open edge has connecting hook 83.
There is a uniformly distributed pawl 71 on interior 7: one end face periphery of swivel nut, another end opening, has between outer surface thread lower than flank
Between cog separate slot 73, interrupted external pipe thread 72, between cog separate slot 73 and interval trough 82 cooperate.
On the inner surface of external thread sleeve 8, there are the inner and outer pipe screw thread 81,72 matched, inner and outer pipe on the outer surface of interior swivel nut 7
Screw thread is to be made of the screw thread that four sections discontinuous, interruption matches, and is connected inside and outside swivel nut with its interrupted screw-thread integral.
Tooth, which covers, ring groove, convex ribs 62 at 6 inner walls open at one end, the other end is the cylindrical shape of outer tube gear 61.
Shell 3 is cylinder-shaped, and both ends are to connect two integral semi-rings 32 with opening 31 and with tooth set 6, label seat 2.
There are sliding block 51, ring groove 52, pillar 53 on connector sleeve 5, rivet clasp is on interpolation pipe 4.
It will be fixed into ring groove 52 that interior swivel nut 7 is held on connector sleeve 5 using the pawl 71 on its end with interpolation pipe 4
One is whole.
Tooth shaft 9: for ladder circle tubular, there is raised bulge loop 92 among outer surface, one end outer surface edge has convex key 93, separately
There is the groove 91 cooperated with two pillars 53 on connector sleeve 5 on the inner wall of one end.
9 one end of tooth shaft passes through the inside and outside swivel nut to link into an integrated entity, tooth set 6 is socketed outside external thread sleeve, tooth shaft 9 is in external thread sleeve 8
Non-threaded end, tight fit connection have the carrier wheel 10 of big bullet circle 101, as shown in Figure 5.
In the interpolation pipe gear 11 of the 9 small bullet circle 111 of end tight fit connection band of tooth shaft, it is at this moment arranged successively three teeth from inside to outside
Wheel, outer tube gear 61, carrier wheel 10, interpolation pipe gear 11, as shown in Figure 2.
The outer diameter of three gears is identical, and the diameter of inner hole and large and small bullet circle 101,111 is different, size bullet loop-shaped
Equally, and the modulus of carrier wheel 10, interpolation pipe gear 11 is identical and the modulus of outer tube gear 61 is different, specifically wants and phase
The drive parameter of connection matches.
Lid 13: semicircle chamber, edges at two ends have slot 132, the interpolation slit piece 131 that edges at two ends is also extended.
Label seat 2: having the ladder circle cylindricality of through-hole for centre, and a red mark block 21 is fixed on the outer periphery of small end,
Mounting-fixing base 22 on the inner wall of big end.
Fixing seat 22 is by installing soft set 223 in the laddertron 222 with through-hole, its end cuts when protection interpolation pipe 4 passes through
Sharpener 41 does not damage, also tight sealing-plug 224 of the plug with through-hole in the large port of laddertron, is cased with spring 221 outside laddertron 222,
Hug the fastening end of outer tube 1 in appearance, fixing seat is outer except playing fixed outer tube 1, also to outer tube buffer protection
Effect.
One end insertion of outer tube is fixed on to the label seat 2 in shell 20 again, in the fixing seat 22 at 3 inner cavity of shell,
One end of interpolation pipe 4 is inserted into the inner cavity of outer tube 4 by shell 20, and the other end of interpolation pipe passes through shell 20, tooth covers in 6
Tooth shaft 9 is connect with the connector of collection box 19, as shown in Figure 4.
With two semi-rings 32 of 3 both ends band of shell opening 31, the ring groove, convex on 6 open end inner wall edges is covered with tooth respectively
Muscle 62 and label 2 inward flange tight fit of seat, and the shell 20 for being adhesively fixed integral with medical glue.
The shell assembled is placed on bracket 15, it is fixed also to be buckled respectively with lid 13, gear cap 14 at bracket both ends
Position slides, axial float so that it will not mobile.
The both ends of gear cap 14 have semicircle to shelve ring, and one end, which has upper annular groove 145 to shelve, jack in the two ends of ring
143, the other end, which is shelved, pin 141 in ring two ends, and centre is the semicircle cavity for placing each gear, and two outer side edges are each oriented
The driving piece 144 lower than bluff piece plane is extended in one bluff piece 142 of outer extension, the side of each bluff piece 142 again, by driving piece
Connection driver (figure is not drawn).
Bracket 15: upper surface is to cooperate with shell 20, tooth set 6, above has the arc-shaped cavity of opening, exposes at opening 155
Three gears simultaneously have jack 154, and there is jack in the interpolation slit mouth 151 connecting with 13 upper intercalation slit piece 131 of lid and gear cap 14 at both ends respectively
The button 153 of 143 cooperations, the foot jack 154 cooperated with pin 141 cooperate the lower annular groove 156 on corresponding position with upper annular groove 145,
It constitutes whole annular groove 30 to connect with collection box 19, as Figure 1 and Figure 4, lid 13, gear cap 14 is separately fixed at bracket 15
Connected on the corresponding rest stand in both ends it is integral, to hold up instrument, convenient for interpolation pipe movement, rotation, play bearing block
Effect.
External support 16: for the arc cooperated with bracket 15, there is shelf 161 at both ends, and outer surface two sides have convenient for hand operation
Refer to slot 162, cramp 161 is extended on a shelf both sides, and there is outwardly extending outer bluff piece 163 on another shelf both sides, and clamping is buckled in
Gear cap 14, lid 13 outer surface on.
Interpolation pipe without semicircle baffle ring 17 is fixed on cutter end, the joint for being buckled in 19 end of collection box is fixed
Position.
In use, the connector in collection box 19 connects and composes entirety by the end of baffle ring 17 and tooth shaft 9, as shown in figure 4,
As dismountable tissue specimen collection box, vacuum pump and suction tube assembly (figure is not drawn) are connected in collection box, for obtaining
With conveying tissue specimen.
Fiber crops can be carried out with normal saline flushing or to art chamber with syringe against 4 inner cavity of interpolation pipe of collection box joint
Liquor-saturated (figure is not drawn).
This sample probe can install the biopsy that external support 16 completes ultrasound guidance as hand-held apparatus outside bracket 15,
External support 16 of dismantling is also mountable on prostrate platform or Zhen Litai machinery equipment, carries out stereotaxis biopsy, expands its significantly
Use scope.
When operation, driver is fixed by the driving piece 144 in gear cap 14 with its buckle, and first with scalpel in breast
Biopsy at notch, the outer tube 1 for being connected with interpolation pipe 4 is then advanced to target site, makes the front end of outer tube 1 at skin bottom
Lower positioning (figure do not draw) is rotated synchronously by the inside and outside intubation gear of driver drives 11,61, carrier wheel 10, by outer tube gear
61 rotation drive is connected thereto integral shell 20 and outer tube 1 and rotates together.
Driver rotates the interpolation pipe gear 11 in tooth shaft 9, and drive is connected thereto integral interpolation pipe 4 and revolves together
Turn, while being connected to the carrier wheel 10 of 8 upper end of external thread sleeve, drive engages integral and is fixed on the interior spiral shell on interpolation pipe
7 rotation of set, and push the sliding block 51 on connector sleeve 5 to be converted into the movement to the rectilinear direction of interpolation pipe through interior swivel nut, to make
Interpolation pipe 4 is able to rotate and can move under carrier wheel, two gear collective effect of interpolation pipe gear, have multi-functional raising
Work efficiency.
When interpolation pipe 4 is rotated and is moved at 1 side opening 12 of outer tube, the bite 41 on 4 top of interpolation pipe and side are opened
Mouth 12, just cuts active mass's sample, is cut off, and under the suction function of collection box, tissue specimen is drawn into interior
In the inner cavity of intubation, storage in collection box 19 is transmitted to through suction tube and is further taken out, providing checkout and diagnosis pathological tissues for doctor makes
With.
Claims (10)
1. a kind of breast biopsy sample probe, including interpolation pipe (4), the outer tube (1) being mounted in shell (20), driver
Structure, shell (20) are connect with collection box (19), and transmission mechanism is connect with driver, it is characterised in that one end of the shell (20)
Fixed outer tube (1), the other end of shell are connect through connector with collection box (19), and installation is inserted with interpolation pipe (4) in shell (20)
Outer tube (1) and transmission mechanism, the transmission mechanism is by the interpolation pipe gear (11) that is fixed on tooth shaft (9), shell one end
Outer tube gear (61) in portion and the carrier wheel (10) being fixed on external thread sleeve (8) are constituted, the external thread sleeve (8) and interior spiral shell
Set (7) engagement be connected on tooth shaft (9), interior swivel nut (7) is fixed on interpolation pipe (4) through connector sleeve (5), the transmission mechanism with
The outer driver of shell (20) connects work, the shell (20) by shell (3) both ends respectively with tooth set (6), be connected with fixation
The label seat (2) of seat (22), which is tightly fixed, to be integrally formed, and the shell (20), which is mounted on, is connected with lid (13) and gear cap
(14) on bracket (15).
2. breast biopsy sample probe according to claim 1, it is characterised in that the interior swivel nut (7): an end face periphery
Have uniformly distributed pawl (71), another end opening, there is the between cog separate slot (73) lower than flank, interrupted outer tube spiral shell between outer surface thread
Line (72).
3. breast biopsy sample probe according to claim 1, it is characterised in that the external thread sleeve (8): upper end is without pipe spiral shell
Line has connecting key (84) at outer surface edge, and lower end has interrupted Internal Pipe Thread (81), and there is the interval trough lower than plane in outer surface
(82), there is through-hole on upper and lower interface, there is opening under interface, open edge has connecting hook (83), the interior table of external thread sleeve (8)
On face, there are the inner and outer pipe screw thread (81) matched, (72) on the outer surface of interior swivel nut (7), inner and outer pipe screw thread is by four sections
Discontinuously, the screw thread that interruption matches is constituted.
4. breast biopsy sample probe according to claim 1, it is characterised in that the label seat (2) is that centre has through-hole
Ladder circle cylindricality, a red mark block (21), mounting-fixing base (22) on the inner wall of big end are fixed on the outer periphery of small end.
5. breast biopsy sample probe according to claim 1, it is characterised in that the fixing seat (22) is by with through-hole
Soft set (223) is installed in laddertron (222), tightly fills in the sealing-plug (224) with through-hole, laddertron in the large port of laddertron
(222) outer casing spring (221) hug outer tube (1) fastening end in appearance.
6. breast biopsy sample probe according to claim 1, it is characterised in that the lid (13) is semicircle chamber, both ends
Edge has slot (132), and there are the interpolation slit piece (131) extended in both sides of the edge.
7. breast biopsy sample probe according to claim 1, it is characterised in that the both ends of the gear cap (14) have half
Circle shelves ring, and one end has shelving in the two ends of ring for upper annular groove 145 to have jack (143), and the other end is shelved in ring two ends
Have pin (141), centre is semicircle cavity, and two outer side edges respectively have an outwardly extending bluff piece (142), each bluff piece (142)
Side extend the driving piece (144) lower than bluff piece plane again.
8. breast biopsy sample probe according to claim 1, it is characterised in that the tooth shaft (9): for ladder circle tubular,
Have among outer surface raised bulge loop (92), one end outer surface edge has convex key (93), has on other end inner wall and connector sleeve (5)
The groove (91) of upper two pillar (53) cooperation.
9. breast biopsy sample probe according to claim 1, it is characterised in that at the tooth set (6) inner wall open at one end
There are ring groove, convex ribs (62), the other end is the cylindrical shape of outer tube gear (61).
10. breast biopsy sample probe described according to claim 1 or 6 or 7, it is characterised in that the bracket (15): upper table
Face is to cooperate with shell (20), tooth set (6), above there is the arc-shaped cavity of opening, and opening (155) side has jack (154), both ends point
There are not the interpolation slit mouth (151) connecting with lid (13) upper intercalation slit piece (131), the button with jack (143) cooperation on gear cap (14)
(153), with the foot jack (154) of pin (141) cooperation, cooperate lower annular groove (156) structure on corresponding position with upper annular groove (145)
Integral annular groove (30) is connect with collection box (19), and lid (13), gear cap (14) are separately fixed at bracket (15) both ends phase
Connected on corresponding rest stand it is integral, lid (13), gear cap (14) outer surface also buckle external support (16), the external support
(16) both ends have shelf (164), and outer surface two sides have finger slot (162), and cramp (161), another shelf are extended in a shelf both sides
There is outwardly extending outer bluff piece (163) on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910104235.8A CN109820542A (en) | 2019-02-01 | 2019-02-01 | Breast biopsy sample probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910104235.8A CN109820542A (en) | 2019-02-01 | 2019-02-01 | Breast biopsy sample probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109820542A true CN109820542A (en) | 2019-05-31 |
Family
ID=66863344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910104235.8A Pending CN109820542A (en) | 2019-02-01 | 2019-02-01 | Breast biopsy sample probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109820542A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237822A (en) * | 2005-08-05 | 2008-08-06 | 伊西康内外科公司 | Biopsy device with replaceable probe and incorporating vibration insertion assist and static vacuum source sample stacking retrieval |
| US20080319468A1 (en) * | 2003-02-24 | 2008-12-25 | Senorx, Inc. | Biopsy device with selectable tissue receiving aperature orientation and site illumination |
| CN201275092Y (en) * | 2008-08-05 | 2009-07-22 | 高淑兰 | Tissue biopsy device and separator |
| CN203619597U (en) * | 2013-10-30 | 2014-06-04 | 上海导向医疗系统有限公司 | Swivel feeding system with single shaft linkage |
| CN106166079A (en) * | 2016-09-30 | 2016-11-30 | 杭州思客医学科技有限公司 | The cutting needle advance and retreat structure of a kind of rotary-cut pin and rotary-cut pin thereof |
-
2019
- 2019-02-01 CN CN201910104235.8A patent/CN109820542A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080319468A1 (en) * | 2003-02-24 | 2008-12-25 | Senorx, Inc. | Biopsy device with selectable tissue receiving aperature orientation and site illumination |
| CN101237822A (en) * | 2005-08-05 | 2008-08-06 | 伊西康内外科公司 | Biopsy device with replaceable probe and incorporating vibration insertion assist and static vacuum source sample stacking retrieval |
| CN201275092Y (en) * | 2008-08-05 | 2009-07-22 | 高淑兰 | Tissue biopsy device and separator |
| CN203619597U (en) * | 2013-10-30 | 2014-06-04 | 上海导向医疗系统有限公司 | Swivel feeding system with single shaft linkage |
| CN106166079A (en) * | 2016-09-30 | 2016-11-30 | 杭州思客医学科技有限公司 | The cutting needle advance and retreat structure of a kind of rotary-cut pin and rotary-cut pin thereof |
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