CN206534662U - The minimally invasive sampler of bone cartilage holostrome sample - Google Patents
The minimally invasive sampler of bone cartilage holostrome sample Download PDFInfo
- Publication number
- CN206534662U CN206534662U CN201620889033.0U CN201620889033U CN206534662U CN 206534662 U CN206534662 U CN 206534662U CN 201620889033 U CN201620889033 U CN 201620889033U CN 206534662 U CN206534662 U CN 206534662U
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- China
- Prior art keywords
- drilling pipe
- minimally invasive
- sampling
- bone cartilage
- drive mechanism
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Abstract
The utility model discloses a kind of minimally invasive sampler of bone cartilage holostrome sample, including drive mechanism, direction-changing drive mechanism, sample drilling pipe, position-limit mechanism and control system, the drive mechanism includes shell, motor and the reductor being connected with the motor, the direction-changing drive mechanism includes deflecting drive sleeve and driving snake, the deflecting drive sleeve is fixed on the reducer shell, described driving snake one end is connected with the speed reducer output shaft, the other end is connected with the sampling drilling pipe, one end of the sampling drilling pipe is provided with the internal thread being connected with the direction-changing transmission shaft, the other end is provided with the wedge-shaped serrated knife blade for drilling, the stopping means is slidably arranged on the sampling drilling pipe.The present apparatus is sampled by motor driving sampling drilling pipe, and sampling is convenient, fast, and can guarantee that the integrality of tissue microstructure；Meanwhile, for the tissue outside otch exposed region, the tissue of different angle directions can be sampled by direction-changing drive mechanism.
Description
Technical field
The utility model belongs to technical field of medical instruments, and in particular to a kind of minimally invasive sampling dress of bone cartilage holostrome sample
Put.
Background technology
Often cartilage/subchondral bone tissue to target area is needed to carry out biopsy in arthroscope and joint open surgery art
Processing；And cytoactive in the tissue after sampling and tissue fine structure are detected.Therefore, inner cell is organized to live after materials
Property and tissue fine structure it is most important for follow-up analysis.Current biopsy needle is by manually tapping sampling probe end
Portion reaches the purpose of minimally invasive sampling, but different for cartilage-tissue hardness, structure, composition as calcified layer-subchondral bone
Complex tissue in, manual sampling is difficult and integrality of institutional framework is difficult to be protected.In addition, by Arthroscopic Operative otch
The limitation of size, traditional biopsy needle is difficult to be sampled the tissue beyond otch exposed region.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of bone cartilage holostrome sample minimally invasive sampler, motor
Driving sampling drilling pipe sampling, sampling is convenient, fast, and can guarantee that the integrality of tissue microstructure；Meanwhile, for otch exposed region
Overseas tissue, can be sampled by direction-changing drive mechanism to the tissue of different angle directions.
The purpose of this utility model is achieved through the following technical solutions：
The minimally invasive sampler of bone cartilage holostrome sample, including drive mechanism, direction-changing drive mechanism, sampling drilling pipe, position restrainer
Structure and control system, the drive mechanism include shell, motor and the reductor being connected with the motor, the deflecting driver
Structure includes deflecting drive sleeve and the driving snake being rotatably provided in the deflecting drive sleeve, and the deflecting drive sleeve is fixed on
On the reducer shell, described driving snake one end is connected with the speed reducer output shaft, the other end and the sampling drilling pipe
It is connected, one end of the sampling drilling pipe is provided with the internal thread being connected with the driving snake, and the other end is provided with for creeping into
Wedge-shaped serrated knife blade, it is described be used for limit drilling depth position-limit mechanism be slidably arranged in it is described sampling drilling pipe；
The control system includes PLC and the pressure sensor and displacement transducer that are connected with PLC, institute
State pressure sensor and displacement transducer is arranged on the position-limit mechanism close to the wedge-shaped serrated knife blade end of the sampling drilling pipe
On end face, the PLC is set on the housing, and is connected with motor.
Further, the deflecting drive sleeve includes fixed cover, movable sleeve and the connection for be connected set and movable sleeve
Mechanism, the bindiny mechanism includes being symmetricly set on the connection plate inside of the fixed cover both sides, is symmetricly set on the activity
Cover and set on the outer side connecting plate of both sides and the connecting bolt for connecting medial and lateral connecting plate, described two connection plate insides
Have and be provided with the screwed hole coordinated with the connecting bolt, described two outer side connecting plates and leading to that the connecting bolt coordinates
Hole, the medial surface of the lateral surface of described two connection plate insides and described two outer side connecting plates coordinates.
Further, retaining mechanism is additionally provided with the bindiny mechanism, the retaining mechanism includes being arranged on the outside
Lock-screw on connecting plate and it is arranged on the multiple locking holes coordinated on the connection plate inside with the lock-screw.
Further, the multiple locking hole is distributed on the circumference concentric with the screwed hole.
Further, it is additionally provided with protective case in the deflecting drive sleeve.
Further, the spiral for being easy to creep into deslagging is provided with the periphery at the wedge-shaped serrated knife blade end of the probe tube
Groove.
Further, the position-limit mechanism includes the spacing ring being slidably arranged on the sampling drilling pipe and for by the limit
Position ring is fixed on the holding screw on the sampling drilling pipe.
Further, it is provided with controlling switch button on the shell.
The beneficial effects of the utility model are：
Firstth, the utility model is using motor driving sampling drilling pipe sampling, and sampling is convenient, fast, and can guarantee that tissue is micro-
The integrality of structure.
Secondth, the utility model is provided with direction-changing drive mechanism, can facilitate the sampling to the tissue outside otch exposed region.
3rd, the utility model is provided with control system, can facilitate the control to the depth selection of needs.
4th, the utility model sets position-limit mechanism, and the depth capacity of sampling can be controlled.
Brief description of the drawings
In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, the utility model provides as follows
Accompanying drawing is illustrated：
Fig. 1 is the minimally invasive sampler structural representation of bone cartilage holostrome sample of the present utility model；
Fig. 2 is the minimally invasive sampler varied angle schematic diagram of bone cartilage holostrome sample of the present utility model；
Fig. 3 is the front view of fixed cover；
Fig. 4 is deflecting drive sleeve structural representation；
Fig. 5 is Fig. 4 top view；
Reference：1- drive devices；11- motors；12- reductors；13- shells；14-PLC controllers；15- controls are opened
Close button；2- direction-changing drive mechanisms；21- deflecting drive sleeves；211- fixed covers；212- movable sleeves；213- connecting bolts；214-
Lock-screw；215- connection plate insides；The outer side connecting plates of 216-；22- driving snakes；23- protective cases；3- samples drilling pipe；4- is limited
Position mechanism；41- spacing rings；42- displacement transducers；43- pressure sensors；44- holding screws.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
As shown in figure 1, including drive mechanism 1, direction-changing drive mechanism 2, sampling drilling pipe 3, position-limit mechanism 4 and control system,
Drive mechanism 1 includes shell 13, motor 11 and the reductor 12 being connected with motor 11, and direction-changing drive mechanism 2 is driven including deflecting
Set 21 and the driving snake 22 being rotatably provided in deflecting drive sleeve 21, deflecting drive sleeve 21 are fixed on the housing of reductor 12
On, the one end of driving snake 22 is connected with the output shaft of reductor 12, and the other end is connected with sampling drilling pipe 3, and direction-changing drive mechanism is also wrapped
Include the adapter sleeve being arranged between the housing of reductor 12 and deflecting drive sleeve 21, be arranged on deflecting drive sleeve 21 close to sampling drilling pipe
The axle of the end cap at 3 ends, the rolling bearing for being arranged on the two ends of driving snake 22 and the connection output shaft of reductor 12 and driving snake 22
Set, one end of sampling drilling pipe 3 is provided with the internal thread being connected with driving snake 22, and the other end is provided with the wedge shape saw for drilling
Serrated knife sword, sampling drilling pipe 3 is slidably arranged in for limiting the position-limit mechanism 4 of drilling depth；Auger is driven by motor 11
Pipe 3 is sampled, and sampling is convenient, fast, and can guarantee that the integrality of tissue microstructure；It can also be changed by direction-changing drive mechanism 2 and taken
The direction of sample drilling pipe 3, sampling that can easily to the tissue outside otch exposed region；Position-limit mechanism 4 is to ensure that drilling depth does not surpass
Cross the reliable guarantee of depth capacity；
Control system includes PLC 14 and the pressure sensor 43 and displacement transducer that are connected with PLC 14
42, pressure sensor 43 and displacement transducer 42 are arranged on end of the position-limit mechanism 4 close to the wedge-shaped serrated knife blade end of sampling drilling pipe 3
On face, PLC 14 is arranged on shell 15, and is connected with motor 11；The drilling of sampling drilling pipe 3 is controlled by control system
Depth, it is safe and reliable, signal is passed into PLC when displacement transducer 42 is detected when drilling depth reaches setting value
14 stop motor 11, and pressure sensor 43 is the Redundancy Design of displacement transducer 42, and what pressure sensor 43 was controlled is auger
The depth capacity of pipe drilling, signal is passed to PLC 14 and stopped by pressure sensor 43 after displacement transducer 42 fails
Motor 11.
Deflecting drive sleeve 21 in the present embodiment includes fixed cover 211, movable sleeve 212 and for 211 and of set that are connected
The bindiny mechanism of movable sleeve 212, bindiny mechanism includes being symmetricly set on the connection plate inside 215 of the both sides of fixed cover 211, symmetrically set
Put in the outer side connecting plate 216 of the both sides of movable sleeve 212 and the connecting bolt 213 for connecting medial and lateral connecting plate, two inner sides
It is provided with the screwed hole coordinated with connecting bolt 213, two outer side connecting plates 216 and is provided with being connected spiral shell on connecting plate 215
The through hole that bolt 213 coordinates, the medial surface cooperation of the lateral surface and two outer side connecting plates 216 of two connection plate insides 215.Implement
Deflecting drive sleeve 21 in example includes fixed cover 211, movable sleeve 212 and the company for connection being fixed on the housing of reductor 12
Connection mechanism, changes the angle of movable sleeve 212 and fixed cover 211 by adjusting bindiny mechanism, so as to change sampling drilling pipe 3
Realize the sampling to the tissue outside otch exposed region in direction.
Retaining mechanism is additionally provided with bindiny mechanism in the present embodiment, retaining mechanism includes being arranged on outer side connecting plate
Lock-screw 214 on 216 and it is arranged on the multiple locking holes coordinated on connection plate inside 215 with lock-screw 214.Embodiment
In when need adjust sampling 3 direction of drilling pipe when, first unclamp lock-screw 214, rotate movable sleeve 212 to need position, then
Lock lock-screw 214.
Protective case 23 is additionally provided with deflecting drive sleeve in the present embodiment.Protective case 23 in embodiment is used to prevent from making
Foreign matter is entered in deflecting drive sleeve 21 during, influences the life-span of rolling bearing.
The spiral for being easy to creep into deslagging is provided with the periphery at the wedge-shaped serrated knife blade end of the probe tube 3 in the present embodiment
Groove.The bits that wedge-shaped serrated knife blade is cut are discharged to the outside of sampling drilling pipe 3 by the helicla flute in embodiment, it is ensured that sampling drilling pipe
The integrality of sample and convenient drilling in 3.
Position-limit mechanism 4 in the present embodiment includes the spacing ring 41 being slidably arranged on sampling drilling pipe 3 and for will be spacing
Ring 41 is fixed on the holding screw 44 on sampling drilling pipe 3.In embodiment when needing sampling, by a certain of setting depth selection
The higher limit for the scope that transfinites arrives specified location to adjust spacing ring 41, and spacing ring 41 then is fixed on into the position with holding screw 44
Put.
Controlling switch button 15 is provided with shell 13 in the present embodiment.Controlling switch button 15 is used for hand in embodiment
Dynamic startup/stopping motor 11.
Finally illustrate, preferred embodiment above is only unrestricted to illustrate the technical solution of the utility model, to the greatest extent
The utility model is described in detail by above preferred embodiment for pipe, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims institute to it in the form and details
The scope of restriction.
Claims (8)
1. the minimally invasive sampler of bone cartilage holostrome sample, it is characterised in that：Including drive mechanism, direction-changing drive mechanism, auger
Pipe, position-limit mechanism and control system, the drive mechanism include shell, motor and the reductor being connected with the motor, described
Direction-changing drive mechanism includes deflecting drive sleeve and the driving snake being rotatably provided in the deflecting drive sleeve, and the deflecting is passed
Dynamic set is fixed on the reducer shell, and described driving snake one end is connected with the speed reducer output shaft, the other end and institute
State sampling drilling pipe to be connected, one end of the sampling drilling pipe is provided with the internal thread being connected with the driving snake, and the other end is set
There is the wedge-shaped serrated knife blade for drilling, the position-limit mechanism for being used to limit drilling depth is slidably arranged in the sampling drilling pipe
On；
The control system includes PLC and the pressure sensor and displacement transducer that are connected with PLC, the pressure
Force snesor and displacement transducer are arranged on end face of the position-limit mechanism close to the wedge-shaped serrated knife blade end of the sampling drilling pipe
On, the PLC is set on the housing, and is connected with motor.
2. the minimally invasive sampler of bone cartilage holostrome sample according to claim 1, it is characterised in that：The deflecting drive sleeve bag
Fixed cover, movable sleeve and the bindiny mechanism for be connected set and movable sleeve are included, the bindiny mechanism includes being symmetricly set on
The connection plate inside of the fixed cover both sides, the outer side connecting plate for being symmetricly set on the movable sleeve both sides and in connecting,
The screwed hole coordinated with the connecting bolt, institute are provided with the connecting bolt of outer side connecting plate, described two connection plate insides
State be provided with two outer side connecting plates with the connecting bolt coordinate through hole, the lateral surface of described two connection plate insides with
The medial surface of described two outer side connecting plates coordinates.
3. the minimally invasive sampler of bone cartilage holostrome sample according to claim 2, it is characterised in that：In the bindiny mechanism also
Retaining mechanism is provided with, the retaining mechanism includes the lock-screw being arranged on the outer side connecting plate and is arranged in described
The multiple locking holes coordinated on side connecting plate with the lock-screw.
4. the minimally invasive sampler of bone cartilage holostrome sample according to claim 3, it is characterised in that：The multiple locking hole is equal
Cloth is on the circumference concentric with the screwed hole.
5. the minimally invasive sampler of bone cartilage holostrome sample according to claim 2, it is characterised in that：In the deflecting drive sleeve
It is additionally provided with protective case.
6. the minimally invasive sampler of bone cartilage holostrome sample according to claim 1, it is characterised in that：The wedge shape of the probe tube
The helicla flute for being easy to creep into deslagging is provided with the periphery at serrated knife blade end.
7. the minimally invasive sampler of bone cartilage holostrome sample according to claim 1, it is characterised in that：The position-limit mechanism includes
The spacing ring being slidably arranged on the sampling drilling pipe and the tightening for being fixed on the spacing ring on the sampling drilling pipe
Screw.
8. according to the minimally invasive sampler of any bone cartilage holostrome samples of claim 1-7, it is characterised in that：On the shell
It is provided with controlling switch button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620889033.0U CN206534662U (en) | 2016-08-16 | 2016-08-16 | The minimally invasive sampler of bone cartilage holostrome sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620889033.0U CN206534662U (en) | 2016-08-16 | 2016-08-16 | The minimally invasive sampler of bone cartilage holostrome sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206534662U true CN206534662U (en) | 2017-10-03 |
Family
ID=59936784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620889033.0U Expired - Fee Related CN206534662U (en) | 2016-08-16 | 2016-08-16 | The minimally invasive sampler of bone cartilage holostrome sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206534662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427051A (en) * | 2021-08-13 | 2021-09-24 | 深圳市和昌盛科技有限公司 | Ultra-precise grooving drill bit with good machining accuracy |
-
2016
- 2016-08-16 CN CN201620889033.0U patent/CN206534662U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427051A (en) * | 2021-08-13 | 2021-09-24 | 深圳市和昌盛科技有限公司 | Ultra-precise grooving drill bit with good machining accuracy |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20200816 |
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| CF01 | Termination of patent right due to non-payment of annual fee |