CN112371196A - A pipettor for clinical laboratory - Google Patents
A pipettor for clinical laboratory Download PDFInfo
- Publication number
- CN112371196A CN112371196A CN202011234273.4A CN202011234273A CN112371196A CN 112371196 A CN112371196 A CN 112371196A CN 202011234273 A CN202011234273 A CN 202011234273A CN 112371196 A CN112371196 A CN 112371196A
- Authority
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- China
- Prior art keywords
- clamping plate
- suction head
- pipette
- gun
- arrangement
- 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.)
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Links
- 238000000926 separation method Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 17
- 238000004659 sterilization and disinfection Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000012864 cross contamination Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
- B01L3/0213—Accessories for glass pipettes; Gun-type pipettes, e.g. safety devices, pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/54—Supports specially adapted for pipettes and burettes
Landscapes
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a liquid transfer device for a clinical laboratory, which comprises a liquid transfer gun, suction heads, an arrangement box, a separation plate and a loading structure, wherein the liquid transfer gun is provided with gun heads, each suction head comprises a slender body and an annular convex ring arranged at the root of the body, the gun heads are extruded into matching holes at the root of the suction heads to be assembled with the suction heads, the suction heads are sequentially and vertically arranged in the arrangement box, the separation plate is arranged at one side of the suction head at the lowest part of the arrangement box, the separation plate is provided with a separation groove for guiding the gun heads to move transversely, and the separation plate comprises a rear blocking wall and a front separation wall.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a pipette for a clinical laboratory.
Background
A liquid-transfering gun is a metering tool for transferring liquid from original container to another container in a certain range, and is widely used in the transfer process of test sample agent in hospital clinical laboratory. When a pipette tip needs to be replaced for multiple times, the pipette tip needs to be picked off firstly and then a new pipette tip needs to be mounted, in the process, an operator usually removes the pipette tip with hands first and then mounts the new pipette tip on a pipette head of the pipette tip, in the process, a detection reagent in the replaced pipette tip is easy to contact with the operator, so that cross infection is generated between the new replaced pipette tip and the detection sample reagent, the new replaced pipette tip is easy to generate cross pollution with the detection sample reagent after the operator contacts with the new pipette tip, the pipette tip and the pipette head are tightly matched, and the pipette tip is directly aligned with a matching hole of the pipette tip and is not convenient to mount due to the fact that the pipette tip is mounted or pulled out along the axial direction.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the pipette for the clinical laboratory is capable of providing a pipette head which can be used for loading a new suction head into a pipette gun after an old suction head is moved out of the pipette head, avoiding cross contamination without touching the new suction head by hands in the whole process and being convenient to load and pull out.
The technical scheme adopted by the invention for solving the problems is as follows: a pipette for clinical laboratory, characterized by: comprises a pipette, a suction head, an arrangement box, a separation plate and a loading structure, wherein the pipette is provided with a gun head, the suction head comprises a slender body and an annular convex ring arranged at the root of the body, the gun head is extruded into a matching hole at the root of the suction head to be assembled with the suction head, the suction heads are vertically arranged in the arrangement box in sequence,
the separation plate is arranged on one side of the suction head at the lowest part of the arrangement box, the separation plate is provided with a separation groove for guiding the movement of the gun head in a transverse mode, the separation plate comprises a rear blocking wall and a front separation wall, the rear blocking wall is abutted against the end part of the liquid-transferring gun, the front separation wall of the separation plate is abutted against the convex ring, the front separation wall is obliquely arranged relative to the rear blocking wall, and the distance between the front separation wall and the rear blocking wall is gradually increased from one side of the separation plate to the arrangement box,
the loading structure is arranged on the other side of the suction head at the lowest part of the arrangement box and comprises a first clamping plate and a second clamping plate, the first clamping plate is in a straight strip shape and is transversely arranged on the outer side of the arrangement box at intervals, the second clamping plate is connected with the lower part of the arrangement box and is consistent with the arrangement direction of the first clamping plate, the second clamping plate is provided with a transversely arranged first moving groove for transversely guiding the body, the second clamping plate is abutted against the outer side of the convex ring, the outer side of the first clamping plate is abutted against the end surface of the pipette, the first clamping plate is provided with a transversely arranged second moving groove for transversely guiding the pipette head, the second clamping plate is obliquely arranged relative to the first clamping plate, the distance between the first clamping plate and the second clamping plate is gradually reduced along the moving direction of the pipette, and the distance between the tail ends of the first clamping plate and the second clamping plate is the thickness of the convex ring,
the separation plate is connected with the first clamping plate.
Compared with the prior art, the invention has the advantages that:
the separating plate on one side of the lowest suction head is of a structure for separating the gun head and the suction head of the pipette gun, the outer side of the separating plate is clamped into a gap between the gun head and the convex ring, an operator moves the pipette gun transversely, and the front separating wall of the separating plate drives the convex ring to move away relative to the gun head due to the gradually increased thickness of the separating plate, so that the suction head and the gun head are separated, the front separating wall is obliquely arranged, the suction head is subjected to oblique acting force in the moving away process relative to the gun head, and the labor is saved compared with axial separation,
the loading structure at the other side of the lowest suction head is a structure which matches the pipette with the suction head,
starting from the initial position of the suction head at the lowest part of the arrangement box, an operator holds the pipette gun, the gun head after the original suction head is separated is aligned to the matching hole of a new suction head, the end surface of the pipette gun is abutted against the first clamping plate at the moment, the gun head is placed into the first moving groove, a part of the gun head is placed into the matching hole of the suction head, the pipette gun is held and transversely moved, the gun head drives the suction head to transversely move, the convex ring of the suction head moves between the first clamping plate and the second clamping plate, the distance between the first clamping plate and the second clamping plate is gradually reduced due to the inclined arrangement of the second clamping plate, the suction head is driven by the second clamping plate to gradually approach the gun head in the process of translating together with the gun head, and finally the gun head is completely clamped into the matching hole, the suction head is assembled, and the suction head is inclined relative to the gun head in the process of moving together with the gun head, compared with the, the inclined loading is more labor-saving and rapid, and the whole gun head is not required to be contacted with the suction head by an operator in the processes of removing the old suction head and loading the new suction head, so that the cross contamination between the gun head and the inspection sample agent is avoided.
Preferably, the arrangement box is provided with a vertically arranged arrangement cavity for the suction heads to be arranged in sequence, the side wall of the arrangement box is provided with a vertically arranged long groove for the guide body to move downwards, a vertical plate is arranged on the outer side of the side wall, the vertical plate and the side wall form a matching cavity for the vertically arranged guide convex ring to move downwards, and the suction heads are arranged in the arrangement cavity in sequence vertically under the action of gravity.
Preferably, the outer wall of the gun head is provided with a sealing ring, a sealing groove is formed in the matching hole, and the sealing ring is extruded into the sealing groove after the suction head is installed in the gun head.
Preferably, the upper parts of the arrangement cavity and the matching cavity are provided with cover plates, the cover plates cover the arrangement cavity after the suction head is arranged in the arrangement cavity, and one side of each cover plate is hinged with the arrangement box through a hinge shaft.
Preferably, the upper part of the vertical plate is provided with an oblique guide surface, and the guide surface enlarges the distance of the starting part of the matching cavity.
Preferably, a plurality of disinfection ultraviolet lamps are arranged in the arrangement cavity.
Drawings
FIG. 1 is a schematic view of the structure of the pipette gun and the pipette tip of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic view of the structure of fig. 2A-a.
FIG. 4 is a schematic view of the first and second jaws of the present invention cooperating to load a pipette tip into a pipette gun.
FIG. 5 is a schematic view of the separation plate of the present invention shown with the tip disengaged.
1. A liquid transferring gun; 1.1, a gun head; 1.2, sealing rings; 2. a suction head; 2.1, a body; 2.2, a convex ring; 2.3, matching holes; 3. Arranging the boxes; 3.1, arranging cavities; 3.2, side walls; 3.2.1, long groove; 3.3, a vertical plate; 3.3.1, a guide surface; 3.4, matching the cavity; 4. A loading structure; 4.1, a first clamping plate; 4.1.1, a first moving groove; 4.2, a second splint; 4.2.1, a second moving groove; 5. a cover plate; 6. hinging a shaft; 7. sterilizing the ultraviolet lamp; 8. a separation plate; 8.1, a front separation wall; 8.2, a rear retaining wall; 8.3, separating tank.
Detailed Description
As shown in FIGS. 1-5,
a liquid transfer device for a clinical laboratory comprises a liquid transfer gun 1, a suction head 2, an arrangement box 3 and a loading structure 4, wherein the liquid transfer gun 1 is provided with a gun head 1.1, the suction head 2 comprises a slender body 2.1 and an annular convex ring 2.2 arranged at the root of the body 2.1, the gun head 1.1 is squeezed into a matching hole 2.3 at the root of the suction head 2 to be assembled with the suction head 2,
the arrangement box 3 is provided with an arrangement cavity 3.1 which is vertically arranged and used for the suction heads 2 to be arranged in sequence, the side wall 3.2 of the arrangement box 3 is provided with a long groove 3.2.1 which is vertically arranged and used for guiding the body 2.1 to move downwards, the outer side of the side wall 3.2 is provided with a vertical plate 3.3, the vertical plate 3.3 and the side wall 3.2 form a matching cavity 3.4 which is vertically provided with a guiding convex ring 2.2 to move downwards, the suction heads 2 are arranged from the upper part of the arrangement box 3 and are vertically arranged in the arrangement cavity 3.1 in sequence under the action of gravity,
the loading structure 4 is arranged at the suction head 2 at the lowest part of the arrangement box 3, the loading structure 4 comprises a first clamping plate 4.1 and a second clamping plate 4.2, the first clamping plate 4.1 is a straight strip and is arranged on the outer side of the side wall 3.2 at intervals in the transverse direction, the second clamping plate 4.2 is connected with the lower part of the side wall 3.2 and is consistent with the arrangement direction of the first clamping plate 4.1, the second clamping plate 4.2 is provided with a first moving groove 4.1.1 which is transversely arranged and used for transversely guiding the body 2.1, the second clamping plate 4.2 is propped against the outer side of the convex ring 2.2, the outer side of the first clamping plate 4.1 is propped against the end surface of the liquid-transferring gun 1, the first clamping plate 4.1 is provided with a second moving groove 4.2.1 which is transversely arranged and used for transversely guiding the gun head 1.1, the second clamping plate 4.2 is obliquely arranged relative to the first clamping plate 4.1, the distance between the first clamping plate 4.1 and the second clamping plate 4.2 is gradually reduced along the moving direction of the pipette 1, the distance between the ends of the first clamping plate 4.1 and the second clamping plate 4.2 is the thickness of the convex ring 2.2.
In the stage of mounting the suction head 2, as shown in fig. 4, when the suction head 2 moves along with the pipette gun 1, on one hand, the second clamping plate 4.2 can press and load the suction head 2 towards the pipette gun 1, and on the other hand, the second clamping plate 4.2 drives the suction head 2 to incline, so that the suction head 2 can be more easily matched with the gun head 1.1 of the pipette gun 1.
In the tip 2 detachment stage, as shown in fig. 5, when the tip 2 moves along with the pipette gun 1, on one hand, the front separation wall 8.1 can detach the used tip 2 from the pipette gun 1, and on the other hand, the front separation wall 8.1 drives the tip 2 to incline, so that the tip 2 is more easily detached from the pipette head 1.1 of the pipette gun 1.
Wherein, the arrangement box 3 is provided with an arrangement cavity 3.1 which is vertically arranged and is used for the suction heads 2 to be arranged in sequence, the side wall 3.2 of the arrangement box 3 is provided with a long groove 3.2.1 which is vertically arranged and used for guiding the main body 2.1 to move downwards, the outer side of the side wall 3.2 is provided with a vertical plate 3.3, the vertical plate 3.3 and the side wall 3.2 form a matching cavity 3.4 which is vertically provided with a guiding convex ring 2.2 to move downwards, the suction heads 2 are arranged from the upper part of the arrangement box 3 and are vertically arranged in the arrangement cavity 3.1 in sequence under the action of gravity,
the suction head 2 is vertically and sequentially arranged in the arrangement cavity 3.1 of the arrangement box 3, one side of the arrangement box 3 is provided with a matching cavity 3.4, and the matching cavity 3.4 is matched and limited with the convex ring 2.2 of the suction head 2, so that the suction head 2 can be horizontally arranged and vertically and sequentially arranged in the arrangement cavity 3.1.
As shown in FIG. 3, the stage of separating the pipette tips 2 from the right side toward the lower side of the magazine 3 and the stage of loading the pipette tips 2 from the lower side of the magazine 3 toward the left side are shown.
The assembly distance between the suction head 2 and the lance tip 1.1 is short, the attached drawing shows that two clamping plates are lengthened for the sake of clarity, the assembly distance between the suction head 2 and the lance tip 1.1 is lengthened, and when the lance tip 1.1 faces the suction head 2 at the lowest position of the arrangement box 3, most of the lance tip 1.1 is inserted into the suction head 2, and the lance tip 1.1 can be driven to move along the direction of the first clamping plate 4.1.
The outer wall of the gun head 1.1 is provided with a sealing ring 1.2, a sealing groove is formed in the matching hole 2.3, the sealing ring 1.2 is extruded into the sealing groove after the suction head 2 is installed in the gun head 1.1, the sealing ring 1.2 is matched with the sealing groove to enable the suction head 2 to be tightly matched with the gun head 1.1, due to the existence of the sealing ring 1.2 of the gun head 1.1, the suction head 2 is difficult to axially install into the gun head 1.1, so that the suction head 2 can be obliquely installed into the gun head 1.1 through the obliquely arranged second clamping plate 4.2, and the installation is easier and simpler.
Wherein, arrange the upper portion in chamber 3.1 and cooperation chamber 3.4 and be equipped with apron 5, apron 5 will arrange chamber 3.1 and cover after suction head 2 packs into and arranges chamber 3.1, apron 5 one side is articulated through articulated shaft 6 with arranging box 3, and apron 5 can be put into the back at suction head 2 and will arrange chamber 3.1 and cooperation chamber 3.4 and seal, avoids suction head 2 to be contaminated.
Wherein, the upper portion of riser 3.3 is equipped with the inclined spigot surface 3.3.1, spigot surface 3.3.1 makes the interval of the originated department in cooperation chamber 3.4 enlarge, and spigot surface 3.3.1 can lead bulge loop 2.2 when suction head 2 puts into, and the bulge loop 2.2 of being convenient for is put into in the cooperation chamber 3.4.
Wherein, arrange the intracavity 3.1 and be equipped with a plurality of disinfection ultraviolet lamp 7, disinfection ultraviolet lamp 7 can disinfect to suction head 2 after apron 5 covers, probably need operating personnel to contact when suction head 2 is packed into and arranges in the box 3, so can disinfect through disinfection ultraviolet lamp 7 to arranging suction head 2 in the box 3 after suction head 2 is packed into and arranges box 3, avoid suction head 2 to be contaminated and lead to the inspection appearance agent secondary pollution.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the scope of the invention as defined by the independent claims are intended to be embraced therein.
Claims (6)
1. A pipette for clinical laboratory, characterized by: comprises a pipette (1), a suction head (2), an arrangement box (3), a separation plate (8) and a loading structure (4), wherein the pipette (1) is provided with a gun head (1.1), the suction head (2) comprises a slender body (2.1) and an annular convex ring (2.2) arranged at the root of the body (2.1), the gun head (1.1) is extruded into a matching hole (2.3) at the root of the suction head (2) to be assembled with the suction head (2), the suction heads (2) are vertically arranged in the arrangement box (3) in sequence,
the separation plate (8) is arranged on one side of the suction head (2) at the lowest part of the arrangement box (3), the separation plate (8) is provided with a separation groove (8.3) which is transversely provided with a guide gun head (1.1) to move, the separation plate (8) comprises a rear baffle wall (8.2) and a front baffle wall (8.1), the rear baffle wall (8.2) is abutted against the end part of the liquid-moving gun (1), the front baffle wall (8.1) of the separation plate (8) is abutted against the convex ring (2.2), the front baffle wall (8.1) is obliquely arranged relative to the rear baffle wall (8.2) and the distance between the front baffle wall and the rear baffle wall (8.2) is gradually increased from one side of the separation plate (8) to the arrangement box (3),
the loading structure (4) is arranged on the other side of the suction head (2) at the lowest part of the arrangement box (3), the loading structure (4) comprises a first clamping plate (4.1) and a second clamping plate (4.2), the first clamping plate (4.1) is in a straight long strip shape and is arranged on the outer side of the arrangement box (3) at a transverse interval, the second clamping plate (4.2) is connected with the lower part of the arrangement box (3) and is consistent with the arrangement direction of the first clamping plate (4.1), the second clamping plate (4.2) is provided with a transversely-arranged first moving groove (4.1.1) for transverse guiding of the body (2.1), the second clamping plate (4.2) is abutted to the outer side of the convex ring (2.2), the outer side of the first clamping plate (4.1) is abutted to the end face of the liquid transfer gun (1), the first clamping plate (4.1) is provided with a transversely-arranged second moving groove (4.2.1) for transverse guiding of the first clamping plate (1), and the second clamping plate (4.1) is obliquely arranged between the first clamping plate (4.1) and the second clamping plate (4.2) and the second clamping plate (4.1) and the inclined The distance is gradually reduced along the moving direction of the pipette (1), the distance between the tail ends of the first clamping plate (4.1) and the second clamping plate (4.2) is the thickness of the convex ring (2.2),
the separating plate (8) is connected with the first clamping plate (4.1).
2. The pipette for clinical laboratory according to claim 1, characterized in that: arrange box (3) and have vertical setting supply suction head (2) to put into according to the preface range chamber (3.1), lateral wall (3.2) of arranging box (3) are equipped with vertical setting direction body (2.1) elongated slot (3.2.1) of downshifting, the outside of lateral wall (3.2) is equipped with riser (3.3), riser (3.3) and lateral wall (3.2) constitute vertical setting direction bulge loop (2.2) cooperation chamber (3.4) of downshifting, suction head (2) are put into by the upper portion of arranging box (3), and vertical arranging in order in arranging chamber (3.1) under the action of gravity.
3. The pipette for clinical laboratory according to claim 1, characterized in that: the outer wall of the gun head (1.1) is provided with a sealing ring (1.2), a sealing groove is formed in the matching hole (2.3), and the suction head (2) is arranged in the sealing groove in a manner that the sealing ring (1.2) is extruded into the sealing groove after the gun head (1.1) is arranged.
4. The pipette for clinical laboratory according to claim 2, characterized in that: the upper parts of the arrangement cavity (3.1) and the matching cavity (3.4) are provided with a cover plate (5), the cover plate (5) covers the arrangement cavity (3.1) after the suction head (2) is arranged in the arrangement cavity (3.1), and one side of the cover plate (5) is hinged with the arrangement box (3) through a hinge shaft (6).
5. The pipette for clinical laboratory according to claim 2, characterized in that: the upper part of riser (3.3) is equipped with inclined spigot surface (3.3.1), spigot surface (3.3.1) make the interval of the starting department of cooperation chamber (3.4) enlarge.
6. The pipette for clinical laboratory according to claim 2, characterized in that: a plurality of disinfection ultraviolet lamps (7) are arranged in the arrangement cavity (3.1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921928331 | 2019-11-08 | ||
| CN2019219283316 | 2019-11-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112371196A true CN112371196A (en) | 2021-02-19 |
| CN112371196B CN112371196B (en) | 2022-07-05 |
Family
ID=74579750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011234273.4A Expired - Fee Related CN112371196B (en) | 2019-11-08 | 2020-11-07 | A pipettor for clinical laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112371196B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3924103A1 (en) * | 1989-07-20 | 1991-01-31 | Gert Schiedel | Dropping pipette tips into autoclavable container from grid - releasably held in folding cardboard box |
| US5630988A (en) * | 1994-02-15 | 1997-05-20 | Point Plastics Inc. | Pipette tip mounting and transfer apparatus |
| CN103285955A (en) * | 2013-06-17 | 2013-09-11 | 西北工业大学 | Portable loader for micropipette tip box |
| CN209317708U (en) * | 2018-10-25 | 2019-08-30 | 贾丽丽 | A kind of pipettor being conveniently replaceable and collect pipette tips |
-
2020
- 2020-11-07 CN CN202011234273.4A patent/CN112371196B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3924103A1 (en) * | 1989-07-20 | 1991-01-31 | Gert Schiedel | Dropping pipette tips into autoclavable container from grid - releasably held in folding cardboard box |
| US5630988A (en) * | 1994-02-15 | 1997-05-20 | Point Plastics Inc. | Pipette tip mounting and transfer apparatus |
| CN103285955A (en) * | 2013-06-17 | 2013-09-11 | 西北工业大学 | Portable loader for micropipette tip box |
| CN209317708U (en) * | 2018-10-25 | 2019-08-30 | 贾丽丽 | A kind of pipettor being conveniently replaceable and collect pipette tips |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112371196B (en) | 2022-07-05 |
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Granted publication date: 20220705 |
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