CN106053146B - A kind of sampler - Google Patents
A kind of sampler Download PDFInfo
- Publication number
- CN106053146B CN106053146B CN201610655341.1A CN201610655341A CN106053146B CN 106053146 B CN106053146 B CN 106053146B CN 201610655341 A CN201610655341 A CN 201610655341A CN 106053146 B CN106053146 B CN 106053146B
- Authority
- CN
- China
- Prior art keywords
- rear end
- cecum
- piston
- needle
- cylindrical unit
- 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.)
- Active
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
Abstract
A kind of sampler, needle cylindrical unit including having needle hub, piston with pull rod, it is characterized in that piston includes the tubular front end that front end is cecum, rear end is the tubular rear end of cecum, pass through tearing band connection between rear end and front end, the lateral wall of rear end is provided with screw thread, the cecum of rear end is provided with the threaded hole that hole bottom end is cecum, pull rod screw is connected on threaded hole, internal thread ring is arranged in the front end of needle cylindrical unit, piston rear end portion can be threaded connection on ring, needle cylindrical unit rear end is threaded with diameter lantern ring identical with needle cylindrical unit diameter, the diameter of threaded hole on the cecum of the rear end of piston is greater than the diameter of needle hub.The present invention compared with the prior art, have the advantages that woth no need to shift sample, can effectively prevent outside air pollution.
Description
Technical field:
The present invention relates to a kind of medical treatment sampling instruments.
Background technique:
Existing sterile liquid sampling has the syringe one is use syringe needle to puncture sample extracted region liquid-like of keeping forging ahead
Then syringe equipped with fluid sample is directly sent to inspection by product, in transmit process, the syringe needle equipped with fluid sample
Head is easily separated from needle tubing, and sample is easy pollution or pollution environment by external environmental factor；It is there are also a kind of sampling mode
Syringe sampling is first passed through, then moves into the fluid sample in syringe in one sealable container, such mode is due to needing
It is injected from syringe in closed container, during this, fluid sample is easy for the pollution by external environment.
Summary of the invention:
Goal of the invention of the invention be to provide it is a kind of woth no need to shift sample, can effectively prevent outside air pollution
Sampler closes sample, to prevent the pollution or pollution environment by external environmental factor.Meanwhile simplify and conveniently
Clinical and laboratory operation.
The invention is realized in this way including with needle hub needle cylindrical unit, with the piston of pull rod, special feature
It is that piston include front end be tubular front end, the rear end of cecum is the tubular rear end of cecum, rear end and front end
Between by tearing band connection, the lateral wall of rear end is provided with screw thread, and the cecum of rear end is provided with the spiral shell that hole bottom end is cecum
Pit, pull rod screw are connected on threaded hole, and internal thread ring is arranged in the front end of needle cylindrical unit, and piston rear end portion can screw thread
It is connected on ring, needle cylindrical unit rear end is threaded with diameter lantern ring identical with needle cylindrical unit diameter, the rear end of piston
The diameter of threaded hole on cecum is greater than the diameter of needle hub.
When sampling, syringe needle is connected on needle hub, pulls piston to carry out the sampling of fluid sample backward by pull rod, directly
Then the outside that tearing band on to piston is located at lantern ring is torn down, by rear end and front end portion by that will tear band
It opens, screws out pull rod, rear end screw thread is pierced into the internal screw thread ring of the front end of needle cylindrical unit, the screw thread port lid of rear end is in syringe needle
Interface closes needle hub, to complete the acquisition of sample, needs to take out sample when being detected, by the set of needle cylindrical unit rear end
Ring is separated together with the front end of piston with needle cylindrical unit, so that it may which the sample taken out in syringe is had detected.Due to woth no need to
After extracting sample, sample is closed in syringe always, is not contacted with air, to ensure that sample from thin in outside air
The pollution of bacterium or foreign matter.
The present invention compared with the prior art, have woth no need to shift sample, can effectively prevent outside air pollution it is excellent
Point.
Detailed description of the invention:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is practical process figure of the present invention.
Specific embodiment: now in conjunction with drawings and examples, the invention will be described in further detail:
As shown in Figure 1, the present invention includes needle cylindrical unit 2, the piston a with pull rod 3 with needle hub 1, especially it
Be in include front end 4a in piston a is the tubular rear end 5 that the tubular front end 4 of cecum, rear end 5a are cecum, rear end
It is connected between 5 and front end 4 by tearing band 6, the lateral wall of rear end 5 is provided with screw thread 7, and the cecum 5a of rear end 5 is provided with
Hole bottom end 8a is the threaded hole 8 of cecum, and pull rod 3 is threaded on threaded hole 8, and internal thread is arranged in the front end of needle cylindrical unit 2
Ring 9, the rear end piston a 5 can be threaded connection on ring 9, and 2 rear end of needle cylindrical unit is threaded with diameter and needle cylindrical unit 2
The identical lantern ring 10 of diameter, the diameter of the threaded hole 8 on the cecum 5a of the rear end 5 of piston a are greater than the diameter of needle hub 1.
As shown in Fig. 2, connecting syringe needle 11 on needle hub 1 when sampling, piston a is pulled to carry out liquid backward by pull rod 3
The sampling of body sample, until then the outside that the tearing band 6 on piston a is located at lantern ring 10 is torn down by that will tear band 6,
Rear end 5 and front end 4 are separated, pull rod 3 is screwed out, the internal screw thread that 5 screw thread of rear end is pierced into the front end of needle cylindrical unit 2 is cyclic annular
Object 9, the threaded hole 8 of rear end 5, which is covered, closes needle hub 1 in needle hub 1, to complete the acquisition of sample, needs to take out
When sample is detected, the front end 4 by the lantern ring 10 of 2 rear end of needle cylindrical unit together with piston a is separated with needle cylindrical unit 2, so that it may
The sample taken out in needle cylindrical unit 2 is had detected.
Claims (1)
1. a kind of sampler, including having the needle cylindrical unit of needle hub, with the piston of pull rod, it is characterised in that before piston includes
End is that tubular front end, the rear end of cecum are the tubular rear ends of cecum, between rear end and front end even by tearing band
It connects, the lateral wall of rear end is provided with screw thread, and the cecum of rear end is provided with the threaded hole that hole bottom end is cecum, and pull rod screw connects
It connecing on threaded hole, internal thread ring is arranged in the front end of needle cylindrical unit, and piston rear end portion can be threaded connection on ring,
Needle cylindrical unit rear end is threaded with diameter lantern ring identical with needle cylindrical unit diameter, the threaded hole on the cecum of the rear end of piston
Diameter is greater than the diameter of needle hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610655341.1A CN106053146B (en) | 2016-08-11 | 2016-08-11 | A kind of sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610655341.1A CN106053146B (en) | 2016-08-11 | 2016-08-11 | A kind of sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106053146A CN106053146A (en) | 2016-10-26 |
| CN106053146B true CN106053146B (en) | 2019-04-26 |
Family
ID=57481442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610655341.1A Active CN106053146B (en) | 2016-08-11 | 2016-08-11 | A kind of sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106053146B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205879601U (en) * | 2016-08-11 | 2017-01-11 | 佛山市第一人民医院 | Sampler |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4064760A (en) * | 1976-12-15 | 1977-12-27 | Ipco Hospital Supply Corporation | Sterile urine collection device |
| CN2133258Y (en) * | 1992-06-13 | 1993-05-19 | 武进县焦输液器厂 | Disposable multi-functional blood-drawing unit |
| CN2604191Y (en) * | 2003-02-14 | 2004-02-25 | 李荣波 | Disposable safety injector |
| CN201010119Y (en) * | 2007-03-16 | 2008-01-23 | 李辉 | Combined wine bottle |
-
2016
- 2016-08-11 CN CN201610655341.1A patent/CN106053146B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205879601U (en) * | 2016-08-11 | 2017-01-11 | 佛山市第一人民医院 | Sampler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106053146A (en) | 2016-10-26 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |