CN206372069U - It is a kind of that there is the rotary-cut pin for preventing needle track implantation - Google Patents
It is a kind of that there is the rotary-cut pin for preventing needle track implantation Download PDFInfo
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- CN206372069U CN206372069U CN201621097891.8U CN201621097891U CN206372069U CN 206372069 U CN206372069 U CN 206372069U CN 201621097891 U CN201621097891 U CN 201621097891U CN 206372069 U CN206372069 U CN 206372069U
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Abstract
The utility model is related to a kind of rotary-cut pin for having and preventing needle track implantation, including overcoat fixed seat, overcoat base, inner sleeve base, sample stores device, needle point Telescopic rotation mechanism and inner sleeve Telescopic rotating cutting mechanism, the overcoat base and inner sleeve base are separately fixed at the two ends in overcoat fixed seat, the sample stores device and is fixedly installed on the one end of overcoat fixed seat away from outer tube, the described one end of overcoat base away from inner sleeve base is further fixed on outer tube, needle point Telescopic rotation mechanism and inner sleeve the Telescopic rotating cutting mechanism is separately positioned in overcoat base and inner sleeve base, the needle point Telescopic rotation mechanism includes needle point and the needle cannula being welded to each other, the needle point and needle cannula are arranged in outer tube, and in outer tube interior axle to movement.Rotary-cut pin of the present utility model is after the completion of sampling cutting, it is necessary to which when exiting 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 utility model is related to medical treatment device, more particularly to a kind of rotary-cut pin with prevention needle track implantation.
Background technology
China's mammary gland disease incidence of disease is very high, and clinically many diseases such as adenofibroma etc. needs surgery excision, and operation is cut
Substantially, wound is larger, unsightly and costly for mouth；Clinic is difficult to touch occult disease or harrowed to before treatment, was needed in the past
Clarified a diagnosis in the preoperative by fine needle aspirate cytology or automatic biopsy gun, but due to drawing materials, sample is small to still suffer from false negative and vacation
Positive possibility, is difficult to differentiate, it is impossible to be provided with to clinical treatment for Atypical intraductal hyperplasia and DCIS especially
Effect is helped so a kind of simple to operate, technical security of introduction, reliable technology, lesions position, reality can be shown in a short time
When monitoring operation overall process, there is the equipment of minimally invasive, painless sampling and thorough treatment, few intercurrent disease etc. again, be badly in need of very much and must
Will.
Mammary gland disease is the common illness of gynaecology, is clarified a diagnosis, to treat the disease in time particularly significant, particularly canceration is swollen
Block, if making a definite diagnosis, treating in time, its success rate is very high.The diagnosis of current mammary gland disease and treatment most common method are to puncture,
The property of mammary gland disease can be determined by puncturing, the purpose examined or cured is reached.
The state-of-the-art puncture rotating-cutting equipment in existing market, such as peace jade-like stone, Mai Motong, Hao Lejie, in breast puncture Post operation, very
It there may exist that tumour is shifted along needle track and pathogenic infection spreads along needle track, this is a quite serious risk point, but mesh
It is preceding not yet to take any effective measures to prevent.Therefore, how effectively to prevent the postoperative needle track diffusion of breast puncture, keep away
Exempt from urgent need to resolve the problem of metastases caused by breast puncture or infection diffusion.
The content of the invention
In order to solve above-mentioned technical problem, the purpose of this utility model be to provide it is a kind of easy to use, structure it is reliable and
Rotary-cut pin with prevention needle track implantation.
To achieve these goals, the utility model employs following technical scheme：
It is a kind of that there are the rotary-cut pin for preventing needle track implantation, including overcoat fixed seat, overcoat base, inner sleeve base, sample receipts
Receive device, needle point Telescopic rotation mechanism and inner sleeve Telescopic rotating cutting mechanism, the overcoat base and inner sleeve base are solid respectively
The two ends in overcoat fixed seat are scheduled on, the sample stores device and is fixedly installed on the one end of overcoat fixed seat away from outer tube,
The described one end of overcoat base away from inner sleeve base is further fixed on outer tube, and the needle point Telescopic rotation mechanism and inner sleeve stretch
Rotary cutting body is separately positioned in overcoat base and inner sleeve base, and the needle point Telescopic rotation mechanism includes what is be welded to each other
Needle point and needle cannula, the needle point and needle cannula are arranged in outer tube, and in outer tube interior axle to movement.
Preferably：The 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 side wall of needle point one end
It is further opened with cutting through hole, described geared sleeve b one end and gear b tight fits, the other end is set on telescopic extension block, the set
Pipe telescopic block in geared sleeve b axially slidably, telescopic extension block is fixed with geared sleeve b radial through neck.
Preferably：The numerical value for showing rotated angle, the tooth are also carved with described sleeve pipe telescopic block
Packing ring b is additionally provided between wheel case b and gear b.
Preferably：The needle point Telescopic rotation mechanism also includes gear a, inner sleeve and geared sleeve a, the inner sleeve card
It is located on telescopic extension block, the geared sleeve a and gear a are arranged on geared sleeve b outside, and geared sleeve a one end and gear a are tight
Coordinate, the other end of the inner sleeve and geared sleeve a tight fits, the geared sleeve a in inner sleeve interior axle to slidably, geared sleeve a
Fix, coordinated between the inner sleeve and overcoat base by screw thread radial through neck with inner sleeve.
Preferably：Described sleeve pipe telescopic block is additionally provided with a circle groove close to one end of needle cannula, the inner sleeve
One end is provided with multiple claws vertically, and the inner sleeve is fixed with telescopic extension block by the fastening gap of claw and groove.
Preferably：It is additionally provided with the needle cannula for the position signalling of needle point is sent into the of motor handle
One positioning sliding block.
Preferably：Packing ring a is additionally provided between the geared sleeve a and gear a.
Preferably：The inner sleeve Telescopic rotating cutting mechanism includes inner sleeve, gear c, interior pin worm gear, transmission
Bar and tailstock, the inner sleeve are arranged in needle cannula, and described inner sleeve tube head one end is sawtooth, and provided with chamfer, saw
Small sircle hole, inner sleeve afterbody rear end and interior pin worm gear tight fit are provided with beside tooth, the interior pin worm gear is connected by four drive links
Gear c is met, casing threads coordinates between interior the pin worm gear and inner sleeve base.
Preferably：It is additionally provided with the interior pin worm gear for the position signalling of inner sleeve is sent into motor handle
The second positioning sliding block, the both sides of the gear c are respectively equipped with packing ring c and packing ring d,
Preferably：The sample, which stores device, includes sample cell, sample box buckle, sample box shell, water filling port
With sample cell 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,
It is inserted into after sample cell and the connection of sample cell handle snaps in sample box shell.
The utility model is by the fixation of gear, geared sleeve and needle cannula and coordinates motor handle to realize turning for needle cannula
It is dynamic, while the flexible of needle cannula realizes that the Telescopic rotating of the inner sleeve is by snail by inner sleeve and the threaded engagement of overcoat base
Bar and drive link, which coordinate, to be realized, compact conformation is reasonable and each relatively independent reliability of mechanism is high；In addition, rotary-cut of the present utility model
Pin, it is necessary to when exiting rotary-cut pin, rotary-cut pin needle point cut out portion flexible is entered in sleeve pipe, is prevented in rotation after the completion of sampling cutting
Cutting when pin exits needle track causes needle track implantation to shift.
Brief description of the drawings
Fig. 1 is the structural representation of whole biopsy system.
Fig. 2 is the integrally-built exploded perspective view of the utility model.
Fig. 3 is the schematic diagram of the utility model needle point rotational structure.
Fig. 4 is the schematic diagram of the utility model needle point stretching structure.
Fig. 5 is the stretching structure schematic diagram of inner sleeve of the present utility model.
Fig. 6 is the mounting structure schematic diagram of sample storage member of the present utility model.
Fig. 7 is the installation cross-sectional view of sample storage member of the present utility model.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
Describe the utility model and simplify to describe, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, unless otherwise indicated, the implication of " multiple "
It is two or more, unless otherwise clear and definite restriction.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not direct contact but logical that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than second feature.First is special
Levy second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Represent that 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 of individual biopsy system sampling cutting part, motor handle and whole control system is matched uses, the control system
Including control unit, power-supply system and negative pressure system, the motor handle coordinates driving rotary-cut pin to carry out by buckle and gear
Sampling cutting, then the tissue for sampling cutting is sucked into the sampling groove of rotary-cut pin by the negative pressure system in control system.
A kind of rotary-cut pin with prevention needle track implantation as shown in Fig. 2-Fig. 7, including overcoat fixed seat 6, overcoat base
8th, inner sleeve base 11, outer tube 4, sample store device, needle point Telescopic rotation mechanism and inner sleeve Telescopic rotating cutting mechanism, institute
State overcoat base 8 and inner sleeve base 11 is separately fixed at two ends in overcoat fixed seat 6, the outer tube 4 is fixed on outer tube
8 one end away from inner sleeve base 11 of seat, the sample stores device and is fixedly installed on one of overcoat fixed seat 6 away from outer tube 4
End.
The 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, the needle cannula 2 are arranged in outer tube 4, the pin
One end of sleeve pipe 2 is welded with needle point 1, the other end and the tight fit of telescopic extension block 7, and needle cannula 2 is close to the side wall of the one end of needle point 1
On be further opened with cutting through hole, described geared sleeve b19 one end and gear b16 tight fits, the other end are set in telescopic extension block 7
On, described sleeve pipe telescopic block 7 axially can slidably in geared sleeve b19, and telescopic extension block 7 and geared sleeve b19 is radially logical
Cross neck to fix, therefore with gear b16 rotation, 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, while the numerical value for showing rotated angle is also carved with telescopic extension block 7, the geared sleeve
Packing ring b15 is additionally provided between b19 and gear b16.
Described sleeve pipe telescopic block 7 is additionally provided with a circle groove close to one end of needle cannula 2, and one end of the inner sleeve 5 is vertically
Provided with multiple claws, the inner sleeve 5 and cooperation phase clamping of the telescopic extension block 7 by claw and groove, and between claw and groove
There is gap, rotate not together, the geared sleeve a10 and gear a14 are arranged on geared sleeve b19 outside, and geared sleeve a10 mono-
End and gear a14 tight fits, are additionally provided with packing ring a13 between the geared sleeve a10 and gear a14, the other end of the inner sleeve 5 with
Geared sleeve a10 tight fits, the geared sleeve a10 axially can slidably in inner sleeve 5, and geared sleeve a10 radially leads to inner sleeve 5
Cross neck fixation to rotate together, coordinated between the inner sleeve 5 and overcoat base 8 by screw thread, when gear a14 rotates, gear
Set a10 drivings inner sleeve 5 rotates, and then causes inner sleeve 5 to drive telescopic extension block 7 to advance or retreat, so that needle point is in outer tube 4
Axial movement before and after interior work, needle point 1 can be freely retracted or stretched out in outer tube 4, and is additionally provided with the needle cannula 2
The position signalling of needle point 1 can be sent to motor handle by one positioning sliding block 91, the positioning sliding block 91, show the pin of rotary-cut pin
The front and back position of point 1.
The 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, the inner sleeve 3 are arranged in needle cannula 2, and described head one end of inner sleeve 3 is sawtooth, and
Provided with chamfer, it can tartly cut and small sircle hole is provided with beside tissue, sawtooth, for during vacuum suction, being incited somebody to action in inner sleeve 3
Tissue sticks on inner sleeve 3, convenient to cut down tissue, the afterbody rear end of inner sleeve 3 and the interior tight fit of pin worm gear 21, described interior
Pin worm gear 21 connects gear c17 by four drive links 22, and the both sides of the gear c17 are respectively equipped with packing ring c18 and packing ring
D20, casing threads coordinates between interior the pin worm gear 21 and inner sleeve base 11, when gear c17 rotates, passes through the band of drive link 22
Pin worm gear 21 is made to be additionally provided with the second positioning on radial rotary and axial translation, the interior pin worm gear 21 in interior casing seat 11 in dynamic
Position signalling can be sent to motor handle by sliding block 92, second positioning sliding block 92, show the front and back position of inner sleeve 3.
Gear engaging hole is additionally provided with the overcoat fixed seat 6, the gear a14, gear b16, gear c17 are respectively positioned on tooth
Take turns in engaging hole.
The sample, which stores 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 sealing, sample cell 12 and sample cell handle 27 are inserted into sample box shell 25 after snapping connection, water filling port 26
Interface provided with two connecting conduits a, interface connects physiological saline, rinses the tissue of sampling cutting, and another interface connects
Negative pressure system is connect, is drawn into the sample for sampling cutting in sample cell 12 along inner sleeve 3 by vacuum suction, if sampling cutting
Sample it is more, sample cell 12 can be individually replaced.
This rotary-cut needle set has three kinds of states：
1. the state of puncture：In puncture process, cutting through hole in needle cannula 2 contracts in outer tube 4, it is to avoid needle track it is normal
Tissue enters cutting through hole；
2. cut state：Observed by B ultrasound, in adjacent tissue of the needle point 1 close to required cutting, cutting through hole is reached
The lower section of the tissue of required cutting carries out circumgyration incision；
3. exit state：After the completion of cutting, needle point 1 and cutting through hole are retracted into outer tube 4, are exited, it is to avoid cutting
Normal structure on tissue infection needle track.
It should be pointed out that above example is only representative example of the present utility model.The utility model can also have many
Deformation.Every any simple modification, equivalent variations and modification made according to essence of the present utility model to above example,
It is considered as belonging to protection domain of the present utility model.
Claims (10)
1. a kind of have the rotary-cut pin for preventing needle track implantation, including overcoat fixed seat（6）, overcoat base（8）, inner sleeve base
（11）, sample store device, needle point Telescopic rotation mechanism and inner sleeve Telescopic rotating cutting mechanism, the overcoat base（8）With
Inner sleeve base（11）It is separately fixed at overcoat fixed seat（6）Interior two ends, the sample storage device is fixedly installed on overcoat and consolidated
Reservation（6）Away from outer tube（4）One end, it is characterised in that：The overcoat base（8）Away from inner sleeve base（11）One end also
It is fixed with outer tube（4）, needle point Telescopic rotation mechanism and inner sleeve the Telescopic rotating cutting mechanism is separately positioned on outer tube
Seat（8）With inner sleeve base（11）Interior, the needle point Telescopic rotation mechanism includes the needle point being welded to each other（1）And needle cannula（2）, institute
State needle point（1）And needle cannula（2）It is arranged on outer tube（4）It is interior, and in outer tube（4）Interior axial movement.
2. a kind of rotary-cut pin with prevention needle track implantation according to claim 1, it is characterised in that：The needle point stretches
Rotating mechanism also includes telescopic extension block（7）, geared sleeve b（19）With gear b（16）, the needle cannula（2）One end and needle point
（1）Welding, the other end and telescopic extension block（7）Tight fit, and needle cannula（2）Close to needle point（1）Also opened up on the side wall of one end
There are cutting through hole, the geared sleeve b（19）One end and gear b（16）Tight fit, the other end is set in telescopic extension block（7）On,
Described sleeve pipe telescopic block（7）In geared sleeve b（19）Interior axial direction slidably, telescopic extension block（7）With geared sleeve b（19）It is radially logical
Neck is crossed to fix.
3. a kind of rotary-cut pin with prevention needle track implantation according to claim 2, it is characterised in that：Described sleeve pipe is stretched
Block（7）On be also carved with numerical value for showing rotated angle, the geared sleeve b（19）With gear b（16）Between be additionally provided with
Packing ring b（15）.
4. a kind of rotary-cut pin with prevention needle track implantation according to claim 2, it is characterised in that：The needle point stretches
Rotating mechanism also includes gear a（14）, inner sleeve（5）With geared sleeve a（10）, the inner sleeve（5）It is fastened on telescopic extension block（7）
On, the geared sleeve a（10）With gear a（14）It is arranged on geared sleeve b（19）Outside, and geared sleeve a（10）One end and gear a
（14）Tight fit, the inner sleeve（5）The other end and geared sleeve a（10）Tight fit, the geared sleeve a（10）In inner sleeve（5）It is interior
It is axially free to slide, geared sleeve a（10）With inner sleeve（5）Fixed radial through neck, the inner sleeve（5）With overcoat base（8）It
Between coordinated by screw thread.
5. a kind of rotary-cut pin with prevention needle track implantation according to claim 4, it is characterised in that：Described sleeve pipe is stretched
Block（7）Close to needle cannula（2）One end be additionally provided with a circle groove, the inner sleeve（5）One end vertically be provided with multiple claws, institute
State inner sleeve（5）With telescopic extension block（7）Fixed by the fastening gap of claw and groove.
6. a kind of rotary-cut pin with prevention needle track implantation according to claim 1 or 2 or 4, it is characterised in that：The pin
Sleeve pipe（2）On be additionally provided with for by needle point（1）Position signalling be sent to the first positioning sliding block of motor handle（91）.
7. a kind of rotary-cut pin with prevention needle track implantation according to claim 4, it is characterised in that：The geared sleeve a
（10）With gear a（14）Between be additionally provided with packing ring a（13）.
8. a kind of rotary-cut pin with prevention needle track implantation according to claim 1, it is characterised in that：The 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）, it is described
Inner sleeve（3）It is arranged on needle cannula（2）It is interior, the inner sleeve（3）Head one end is sawtooth, and is provided with by chamfer, sawtooth
Side is provided with small sircle hole, inner sleeve（3）Afterbody rear end and interior pin worm gear（21）Tight fit, the interior pin worm gear（21）Pass through four biographies
Lever（22）Connect gear c（17）, the interior pin worm gear（21）With inner sleeve base（11）Between casing threads coordinate.
9. a kind of rotary-cut pin with prevention needle track implantation according to claim 8, it is characterised in that：The interior pin worm gear
（21）On be additionally provided with for by inner sleeve（3）Position signalling be sent to the second positioning sliding block of motor handle（92）, the tooth
Take turns c（17）Both sides be respectively equipped with packing ring c（18）With packing ring d（20）.
10. a kind of rotary-cut pin with prevention needle track implantation according to claim 1, it is characterised in that：The sample is received
Device of receiving includes sample cell（12）, sample box buckle（24）, sample box shell（25）, water filling port（26）With sample cell handle
（27）, sample box shell（25）Pass through sample box buckle（24）It is stuck in inner sleeve base（11）On, water filling port（26）It is stuck in sample box
Shell（25）Rear end, sample cell（12）With sample cell handle（27）Sample box shell is inserted into after snapping connection（25）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621097891.8U CN206372069U (en) | 2016-09-30 | 2016-09-30 | It is a kind of that there is the rotary-cut pin for preventing needle track implantation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621097891.8U CN206372069U (en) | 2016-09-30 | 2016-09-30 | It is a kind of that there is the rotary-cut pin for preventing needle track implantation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206372069U true CN206372069U (en) | 2017-08-04 |
Family
ID=59402949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621097891.8U Active CN206372069U (en) | 2016-09-30 | 2016-09-30 | It is a kind of that there is the rotary-cut pin for preventing needle track implantation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206372069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106175843A (en) * | 2016-09-30 | 2016-12-07 | 杭州思客医学科技有限公司 | A kind of rotary-cut pin with prevention needle track implantation |
-
2016
- 2016-09-30 CN CN201621097891.8U patent/CN206372069U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106175843A (en) * | 2016-09-30 | 2016-12-07 | 杭州思客医学科技有限公司 | A kind of rotary-cut pin with prevention needle track implantation |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190122 Address after: 314113 Unit 101-5, No. 555 Pioneering Road, Dayun Town, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Kangke Medical Devices Co., Ltd. Address before: 311100 Room 101 and 201, Building No. 2, No. 8 Longtan Road, Cangqian Street, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou ideal medical technology Co., Ltd. |