CN208911151U - A kind of continuous syringe syringe needle replaces box automatically - Google Patents
A kind of continuous syringe syringe needle replaces box automatically Download PDFInfo
- Publication number
- CN208911151U CN208911151U CN201820045048.8U CN201820045048U CN208911151U CN 208911151 U CN208911151 U CN 208911151U CN 201820045048 U CN201820045048 U CN 201820045048U CN 208911151 U CN208911151 U CN 208911151U
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- needle
- syringe
- syringe needle
- press
- rotating device
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Abstract
The utility model provides a kind of continuous syringe syringe needle and replaces box automatically, belongs to veterinary medical instrument field, in particular to syringe needle replaces box automatically.The utility model includes box cover, box body, press device, rotating device, unloads needle peace needle device and several syringe needles；The needle peace needle device that unloads includes the first elastic element, locating rack and drive ring；Pressing press device can drive drive ring to move downward, and drive ring, which moves downward, drives the locating rod close to needle exchange mouth to inside contract；Stop pressing, press device moves upwards, the rotating device can be driven along central axis rotation certain angle, the rotation of rotating device drives syringe needle and locating rack to rotate equal angular, drive ring moves upwards under the effect of the first elastic element, and the locating rod close to needle exchange mouth is driven to move to needle exchange mouth direction.The utility model solves the problems, such as that existing continuous syringe installation and removal syringe needle is cumbersome, time-consuming.The utility model can be used for animal injection.
Description
Technical field
The utility model belongs to veterinary medical instrument field, in particular to syringe needle replaces box automatically.
Background technique
With livestock and poultry scale, the fast development of intensive culture, Production of Livestock and Poultry level is being continuously improved, but epidemic disease is still
The principal element that current animal husbandry develops in a healthy way is limited, and vaccine immunity then becomes the effective means of control and prevention of disease.In clinic
In practice, in working to domestic animal immunization campaign big in large quantities of big group of pigs, ox etc. or treatment ill domestic animal, in view of the labor intensity of injection
Greatly, the high problem of repeatability occurs using continuous veterinary syringe, and continuous syringe can continue really in injection
To liquid medicine injection, once extracts big medicine amount liquid multi-pass operation can be completed and continuously inject.
But to avoid between different animals individual through syringe needle cross transmission cause of disease, when different animals vaccine inoculation, should accomplish
Each individual uses a syringe needle, and when giving a large amount of animal vaccine, although not needed frequently using continuous syringe
Medicine-feeding, but need to frequently replace syringe needle, the status of replacement syringe needle inconvenience become limit one of vaccine inoculation efficiency it is important
Factor, and some epidemic prevention persons are that figure conveniently persistently carries out vaccine injection to multiple animals using a syringe needle, and this is mentioned significantly
High epidemic disease is propagated and popular risk.The syringe needle that current animal inoculation pvaccination vaccine uses mostly is deposited in a box, is made
Used time hand or tweezers clamp syringe needle at random and are arduously installed on syringe, after use with hand or tweezers syringe needle from syringe
On pull up and be put into another box；In the process, syringe needle contacts in one's hands or tweezers twice can not only reduce injection efficiency
It is also easy to cause the pollution of syringe needle, meanwhile, syringe needle is picked and placed repeatedly and is easy to make its deformation by colliding, and influencing the syringe needle service life may be used also
Tissue damage can also be come to injection lead for animal.How easily to take very much, mounts and dismounts syringe needle as urgently to be solved
Problem.
Utility model content
The utility model is to solve the problems, such as that existing continuous syringe installation and removal syringe needle is cumbersome, time-consuming, is mentioned
A kind of continuous syringe syringe needle has been supplied to replace box automatically.
A kind of continuous syringe syringe needle described in the utility model replaces box, including box cover, box body, press device, rotation automatically
Rotary device unloads needle peace needle device and several syringe needles；
The box cover, box body, press device, rotating device unload needle peace needle device coaxial arrangement；The box body side is equipped with
Needle exchange mouth, box body bottom centre are fixed with standard shaft, and standard shaft plate is fixed at the top of the standard shaft, is equipped in the middle part of the standard shaft plate
Third through-hole；The standard shaft upper hollow and two sides are equipped with diameter slot；It is arranged with the needle that unloads on the standard shaft and pacifies needle device, it is described
Rotating device is located on standard shaft plate, and several syringe needles are radially uniform in the horizontal direction centered on the central axis of standard shaft
It is distributed on the rotating device, and needle point, close to axle center, head end is outside, one of syringe needle is aligned with needle exchange mouth；It is described
Press device is arranged in the middle part of the rotating device, and the box cover matches with the box body, and the box cover center is equipped with first
Through-hole, the first through hole edge are formed with inside convex edge, and the press device includes pressing piece, the top energy of the pressing piece
It being pierced by from the first through hole, bottom end passes through the rotating device and third through-hole, and the pressing piece bottom is equipped with press pin,
The press pins position in the diameter slot and can radial slot move up and down, press pin length be more than the standard shaft it is straight
Diameter；
The needle peace needle device that unloads includes the first elastic element, locating rack and drive ring；The locating rack includes several
The locating rod being radially uniformly arranged in the horizontal direction centered on the central axis of standard shaft, the locating rod number with it is described
Syringe needle number is identical, and every a positioning rod outer end is upwardly extended equipped with claw, and inner end is equipped with extension rod obliquely；The claw
Two pawls are each passed through the two strip hole slots being arranged in the same direction with the syringe needle being arranged in below corresponding syringe needle on rotating device, and
Block the syringe needle；First elastic element and the drive ring are sequentially sleeved on standard shaft from bottom to up, and are located at the top
Below pressing, the drive ring is formed with two layers of arc plate obliquely close to the direction of the needle exchange mouth, between two layers of arc plate
The width and angle of the arc groove of formation match with the extension rod, and the extension rod close to needle exchange mouth is located in the arc groove
And it can rotate through the arc groove；
Pressing the press device can drive the drive ring to move downward, and it is close that two layers of arc plate moves downward driving
The locating rod of needle exchange mouth inside contracts；Stop pressing, the press device moves upwards, and the rotating device can be driven to turn along central axis
Dynamic certain angle, the rotation of rotating device drive the syringe needle and locating rack to rotate equal angular, and the drive ring is in the first bullet
Property element under the action of move upwards, drive and moved close to the locating rod of needle exchange mouth to needle exchange mouth direction.
Compared with prior art, beneficial effect is:
1, it when the utility model is used, the syringe needle for the syringe for needing replacing syringe needle is inserted into needle exchange mouth, then presses
Syringe needle replaces the pressing piece at the top of box automatically, only 1 second box is needed to be automatically performed the work unloaded needle and load onto clean syringe needle
Make, then syringe is taken out it is i.e. usable, it is easy to operate, can effectively solve livestock and poultry epidemic prevention operating process in unload needle, dress
The time of disassembly and installation syringe needle is greatly decreased in the problem of needle inconvenience, reduces the time up to 90% or more.
2, the utility model it is possible to prevente effectively from collision between syringe needle, reduces syringe needle cost depletions.
3, the continuous syringe syringe needle of the utility model replaces box automatically and can directly boil, be put into thimerosal or high pressure
It is sterilized in kettle, it is simple and convenient and safe and healthy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model exploded view；
Fig. 3 is that the utility model unloads needle peace needle device structure chart；
Fig. 4 is the utility model syringe needle layout；
Fig. 5 is figure on the inside of the utility model box cover；
1. box cover, 2. box bodys, 3. press devices, 4. rotating devices, 5. unload needle peace needle device, and 6. syringe needles, 11. first is logical
Hole, 12. convex edges, 21. needle exchange mouths, 22. standard shafts, 23. standard shaft plates, 221. diameter slots, 231. third through-holes, 31. pressing pieces, on 32.
Ring gear, 33. interference pieces, 34. second elastic elements, 311. press heads, 312. shafts, 313. press pins, 321. teeth portion, 331. ladders
Slot, 332. fitting portions, 41. spacing frames, 42. chassis, 411. sleeves, 412. partitions, 421. second through-holes, 422. elongate holes
Slot, 51. drive rings, 52. locating racks, 53. first elastic elements, 511. 2 layers of arc plate, 512. arc grooves, 521. locating rods,
522. claws, 523. extension rods.
Specific embodiment
Specific embodiment 1: being illustrated in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 to present embodiment, present embodiment
A kind of continuous syringe syringe needle provided replaces box automatically, including including box cover 1, box body 2, press device 3, rotating device 4, unload
Needle pacifies needle device 5 and several syringe needles 6；
The box cover 1, box body 2, press device 3, rotating device 4 unload the needle peace coaxial arrangement of needle device 5；2 side of box body
Face is equipped with needle exchange mouth 21, and 2 bottom centre of box body is fixed with standard shaft 22, standard shaft plate 23, institute are fixed at the top of the standard shaft 22
It states and is equipped with third through-hole 231 in the middle part of standard shaft plate 23；22 upper hollow of standard shaft and two sides are equipped with diameter slot 221；The standard shaft 22
On be arranged with it is described unload needle peace needle device 5, the rotating device 4 is located on standard shaft plate 23, and several syringe needles 6 are with standard shaft 22
It is radially evenly distributed on the rotating device 4 in the horizontal direction centered on central axis, and needle point is close to axle center, head
Outward, one of syringe needle 6 is aligned with needle exchange mouth 21 at end；The setting of press device 3 is described in the middle part of the rotating device 4
Box cover 1 matches with the box body 2, and 1 center of box cover is equipped with first through hole 11, and 11 edge of first through hole is formed with inwardly
Convex edge 12, the press device 3 includes pressing piece 31, and the top of the pressing piece 31 can be pierced by from the first through hole 11,
Bottom end passes through the rotating device 4 and third through-hole 231, and 31 bottom of pressing piece is equipped with press pin 313, the press pin
313 be located in the diameter slot 221 and can radial slot 221 move up and down, the length of press pin 313 is more than the standard shaft 22
Diameter；
The needle peace needle device 5 that unloads includes the first elastic element 53 (spring can be used), locating rack 52 and drive ring
51；The locating rack 52 include it is several be radially uniformly arranged in the horizontal direction centered on the central axis of standard shaft 22 determine
Position bar 521,521 number of locating rod is identical as 6 number of syringe needle, and every 521 outer end of a positioning rod, which upwardly extends, is equipped with card
Pawl 522, inner end are equipped with extension rod 523 obliquely；Two pawls of the claw 522, which are each passed through on rotating device 4, to be arranged right
The two strip hole slots 422 of 6 lower section of syringe needle being arranged in the same direction with the syringe needle 6 are answered, and block the syringe needle 6；First elasticity
Element 53 and the drive ring 51 are sequentially sleeved at from bottom to up on standard shaft 22, and are located at 313 lower section of press pin, the drive
Rotating ring 51 is formed with two layers of arc plate 511 obliquely close to the direction of the needle exchange mouth 21, is formed between two layers of arc plate 511
The width and angle of arc groove 512 match with the extension rod 523, and the extension rod 523 close to needle exchange mouth 21 is located at the arc
In shape slot 512 and it can rotate through the arc groove 512.
Pressing the press device 3 can drive the drive ring 51 to move downward, and two layers of arc plate 511 moves downward drive
The dynamic locating rod 521 close to needle exchange mouth 21 inside contracts；Stop pressing, the press device 3 moves upwards, and can drive the rotating dress
4 are set along central axis rotation certain angle, the rotation of rotating device 4 drives the syringe needle 6 and locating rack 52 to rotate equal angular, institute
It states drive ring 51 to move upwards under the action of the first elastic element 53, drives the locating rod 521 of close needle exchange mouth 21 to needle exchange
The movement of 21 directions of mouth.
Specific embodiment 2: as shown in Fig. 2, the present embodiment is different from the first embodiment in that: the pressing
Device 3 further includes upper ring gear 32, interference piece 33, the second elastic element 34 (spring can be used)；The pressing piece 31 includes axis
Bar 312, press head 311 and press pin 313, the press head 311 are fixedly arranged on 312 top of shaft, 312 bottom of shaft
End is fixedly connected with the press pin 313, and the upper ring gear 32, interference piece 33, the second elastic element 34 successively cover from top to bottom
On the shaft 312；The annular diameters of the upper ring gear 32 are less than the diameter of the press head 311, the upper ring gear 32
Bottom there are several teeth portion 321, the corresponding several teeth portion 321 of the interference piece 33 are equipped with several terraced slots 331, each ladder slot 331
With a tread, and the tread is connected to corresponding teeth portion 321；The number of the teeth portion 321 and the 521 number phase of locating rod
Together.
Other steps and parameter are same as the specific embodiment one.
Specific embodiment 3: the present embodiment is different from the first and the second embodiment in that: the upper ring gear 32 with
The convex edge 12 abuts against, when pressing down on press head 311, only when press head 311, which is moved to, to be contacted with upper ring gear 32,
Start to squeeze ring gear 32 and move downward.
Other steps and parameter are the same as one or two specific embodiments.
Specific embodiment 4: as shown in Fig. 2, present embodiment is unlike specific embodiment three: the rotation
Device 4 includes chassis 42 and spacing frame 41；The spacing frame 41 is fixed on chassis 42, and the spacing frame 41 includes sleeve
411 are equipped between any two adjacent separator 412 with several partitions 412, the partition 412 radially equidistant radial arrangement
One syringe needle 6；Several syringe needles 6 are arranged on the chassis 42, be respectively provided with below each syringe needle 6 on the chassis 42 two with
The strip hole slot 422 that the syringe needle 6 is arranged in the same direction, 42 center of chassis are equipped with the second through-hole 421, and the shaft 312 passes through
Second through-hole 421.
Other steps and parameter are identical as specific embodiment one, two or three.
Specific embodiment 5: present embodiment is unlike specific embodiment four: the interference piece 33 and second
Elastic element 34 is located in the sleeve 411, and 33 edge of the interference piece is equipped with fitting portion 332,411 inner wall pair of sleeve
Should fitting portion 332 be equipped with docking section, when interference piece 33 rotate when, be able to drive rotating device 4 synchronous rotation.
Other steps and parameter and specific embodiment one, two, three or four are identical.
Specific embodiment 6: present embodiment is unlike specific embodiment five: from needle exchange mouth 21 to rotation side
To second syringe needle 6 on be provided with mark.
When in use, the syringe needle of syringe 6 is inserted into from needle exchange mouth 21, the needle point needed replacing by claw 522, and by
Claw 522 blocks；The press head 311 is pressed, pressing piece 31 moves downward, and press 313 radial slot 221 of pin moves downward, band
It moving the drive ring 51 and the first elastic element 53 moves downward, first elastic element 53, which is squeezed, generates elastic deformation,
Two layers of arc plate 511 is pressed down against the extension rod 523 towards 521 inner end of locating rod of needle exchange mouth 21, drives the locating rod 521
It inside contracts, the syringe needle 6 of the claw 522 of 521 upper end of locating rod " promptly " subject to downward force insertion, and follows the locating rod
521 inside contract, and the syringe needle 6 needed replacing is removed, and the lower end of press head 311 is moved at this time connects with the upper ring gear 32, press
Casting die 31 continues downwards, and press head 311 is pressed down against ring gear 32, and several teeth portion 321 press on the tread of several terraced slots 331,
Interference piece 33 slightly rotates in a clockwise direction and moves down (inclination of the rotation direction clockwise or counterclockwise according to tread
Depending on direction), at this point, the second elastic element 34 is pressurized and inside contracts downwards；It has been pressed into bottom at this time, has released pressing, pressing
Part 31 moves upwards, and the second elastic element 34 compresses through discharging and the second elastic element 34 is made to upwardly extend reinstatement, and
On push to ring gear 32, at this point, interference piece 33 moves up, and due to the inclined design of tread, interference piece 33 rotates in a clockwise direction,
The rotating device 4, syringe needle 6, locating rack 52 is driven to rotate clockwise, the syringe needle 6 of " new " turns to the corresponding position of needle exchange mouth 21
It sets, pressing piece 31 and drive ring 51 continue to rise under the restoring force of the first elastic element 53, and two layers of arc plate 511 ramp up driving
It is displaced outwardly towards the locating rack 52 of needle exchange mouth 21, the claw 522 on this locating rack 52 drives corresponding syringe needle 6 to needle exchange mouth 21
It is mobile, and make in syringe needle 6 " installation " to syringe, pressing piece 31 and the first elastic element 53 are returned to initial position, at this point, taking
Syringe out, originally used syringe needle 6 has been replaced by new syringe needle 6.
When swap out tagged syringe needle 6 when, represent whole box syringe needle 6 and be all previously used, need to disappear syringe needle box
Poison.
Other steps and parameter and specific embodiment one, two, three, four or five are identical.
Specific embodiment 7: present embodiment is unlike specific embodiment one, two, four, five or six: described to change
Capping is equipped at needle mouth 21.
Other steps and parameter and specific embodiment one, two, three, four, five or six are identical.
Specific embodiment 8: present embodiment is unlike specific embodiment seven: the continuous syringe syringe needle
Automatic replacement box is metal material, can directly boil or be put into thimerosal, sterilize in autoclave, simple and convenient, Er Qiewei
Raw safety.Other steps and parameter and specific embodiment one, two, three, four, five, six or seven are identical.
The utility model can also have other various embodiments, without departing substantially from the utility model spirit and its essence, this
Field technical staff works as can make various corresponding changes and modifications, but these corresponding changes and modifications according to the utility model
It all should belong to the protection scope of the utility model the attached claims.
Claims (8)
1. a kind of continuous syringe syringe needle replaces box automatically, it is characterised in that: the continuous syringe syringe needle replaces box packet automatically
It includes box cover, box body, press device, rotating device, unload needle peace needle device and several syringe needles；
The box cover, box body, press device, rotating device unload needle peace needle device coaxial arrangement；The box body side is equipped with needle exchange
Mouthful, box body bottom centre is fixed with standard shaft, and standard shaft plate is fixed at the top of the standard shaft, is equipped with third in the middle part of the standard shaft plate
Through-hole；The standard shaft upper hollow and two sides are equipped with diameter slot；It is arranged with the needle that unloads on the standard shaft and pacifies needle device, the rotation
Device is located on standard shaft plate, and several syringe needles are radially uniformly distributed in the horizontal direction centered on the central axis of standard shaft
On the rotating device, and needle point, close to axle center, head end is outside, and one of syringe needle is aligned with needle exchange mouth；The pressing
Device is arranged in the middle part of the rotating device, and the box cover matches with the box body, and the box cover center is equipped with first through hole,
The first through hole edge is formed with inside convex edge, and the press device includes pressing piece, and the top of the pressing piece can be from institute
It states first through hole to be pierced by, bottom end passes through the rotating device and third through-hole, and the pressing piece bottom is equipped with press pin, described
Press pins position in the diameter slot and can radial slot move up and down, press pin length be more than the standard shaft diameter；
The needle peace needle device that unloads includes the first elastic element, locating rack and drive ring；The locating rack includes several with base
The locating rod being radially uniformly arranged in the horizontal direction centered on the central axis of axis, the locating rod number and the syringe needle
Number is identical, and every a positioning rod outer end is upwardly extended equipped with claw, and inner end is equipped with extension rod obliquely；Two pawls of the claw
The two strip hole slots being arranged in the same direction with the syringe needle being arranged in below corresponding syringe needle on rotating device are each passed through, and are blocked
The syringe needle；First elastic element and the drive ring are sequentially sleeved on standard shaft from bottom to up, and are located at the press and are sold
Lower section, the drive ring are formed with two layers of arc plate obliquely close to the direction of the needle exchange mouth, are formed between two layers of arc plate
Arc groove width and angle match with the extension rod, close to needle exchange mouth extension rod be located in the arc groove and
It can rotate through the arc groove；
Pressing the press device can drive the drive ring to move downward, and two layers of arc plate moves downward driving close to needle exchange
The locating rod of mouth inside contracts；Stop pressing, the press device moves upwards, and the rotating device can be driven along central axis rotation one
Determine angle, the rotation of rotating device drives the syringe needle and locating rack rotates equal angular, and the drive ring is in the first elasticity member
It is moved upwards under the action of part, the locating rod close to needle exchange mouth is driven to move to needle exchange mouth direction.
2. a kind of continuous syringe syringe needle replaces box automatically according to claim 1, it is characterised in that: the press device is also
Including upper ring gear, interference piece, the second elastic element；The pressing piece includes shaft, press head and press pin, the press head
It is fixedly arranged on the shaft top, the shaft bottom end is fixedly connected with press pin, the upper ring gear, interference piece, the second bullet
Property element is successively sheathed on the shaft from top to bottom；The annular diameters of the upper ring gear are less than the diameter of the press head,
The bottom of the upper ring gear has several teeth portion, and the interference piece corresponds to several teeth portion and is equipped with several terraced slots, and each ladder slot has
One tread, and the tread is connected to corresponding teeth portion；The number of the teeth portion is identical as the locating rod number.
3. a kind of continuous syringe syringe needle replaces box automatically according to claim 2, it is characterised in that: the upper ring gear and institute
Convex edge is stated to abut against.
4. a kind of continuous syringe syringe needle replaces box automatically according to claim 3, it is characterised in that: the rotating device packet
Include chassis and spacing frame；The spacing frame is fixed on chassis, and the spacing frame includes sleeve and several partitions, it is described every
Plate radially equidistant radial arrangement is equipped with a syringe needle between any two adjacent separator；Several syringe needles are arranged described
On chassis, two strip hole slots being arranged in the same direction with the syringe needle, the chassis are respectively provided with below each syringe needle on the chassis
Center is equipped with the second through-hole, and the shaft passes through second through-hole.
5. a kind of continuous syringe syringe needle replaces box automatically according to claim 4, it is characterised in that: the interference piece and
Two elastic elements are located in the sleeve, and the interference piece edge is equipped with fitting portion, and the sleeve lining corresponds to the fitting portion
Equipped with docking section.
6. a kind of continuous syringe syringe needle replaces box automatically according to claim 5, it is characterised in that: from needle exchange mouth to rotation
Mark is provided on second syringe needle in direction.
7. according to claim 1, a kind of continuous syringe syringe needle of 2,4,5 or 6 replaces box automatically, it is characterised in that: described
Capping is equipped at needle exchange mouth.
8. a kind of continuous syringe syringe needle replaces box automatically according to claim 7, it is characterised in that: the continuous syringe
It is metal material that syringe needle replaces box automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820045048.8U CN208911151U (en) | 2018-01-11 | 2018-01-11 | A kind of continuous syringe syringe needle replaces box automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820045048.8U CN208911151U (en) | 2018-01-11 | 2018-01-11 | A kind of continuous syringe syringe needle replaces box automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208911151U true CN208911151U (en) | 2019-05-31 |
Family
ID=66692616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820045048.8U Expired - Fee Related CN208911151U (en) | 2018-01-11 | 2018-01-11 | A kind of continuous syringe syringe needle replaces box automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208911151U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354373A (en) * | 2019-07-16 | 2019-10-22 | 张运霞 | One kind being conveniently adjusted type drug delivery device for otorhinolaryngologic |
| CN110404141A (en) * | 2019-08-01 | 2019-11-05 | 田忠秋 | A kind of microinjection apparatus of full-automation |
-
2018
- 2018-01-11 CN CN201820045048.8U patent/CN208911151U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354373A (en) * | 2019-07-16 | 2019-10-22 | 张运霞 | One kind being conveniently adjusted type drug delivery device for otorhinolaryngologic |
| CN110354373B (en) * | 2019-07-16 | 2021-06-08 | 青岛市妇女儿童医院（青岛市妇幼保健院、青岛市残疾儿童医疗康复中心、青岛市新生儿疾病筛查中心） | A device of dosing of type of being convenient for otolaryngology branch of academic or vocational study |
| CN110404141A (en) * | 2019-08-01 | 2019-11-05 | 田忠秋 | A kind of microinjection apparatus of full-automation |
| CN110404141B (en) * | 2019-08-01 | 2021-07-30 | 田忠秋 | Full-automatic micro-injection device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 Termination date: 20200111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |