CN202173943U - Suction head for semen pipettor - Google Patents
Suction head for semen pipettor Download PDFInfo
- Publication number
- CN202173943U CN202173943U CN 201120267800 CN201120267800U CN202173943U CN 202173943 U CN202173943 U CN 202173943U CN 201120267800 CN201120267800 CN 201120267800 CN 201120267800 U CN201120267800 U CN 201120267800U CN 202173943 U CN202173943 U CN 202173943U
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- China
- Prior art keywords
- suction nozzle
- pipettor
- semen
- suction
- seminal fluid
- 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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Abstract
The utility model relates to a suction head for a semen pipettor, which is provided with a filter element and a suction head. The suction head is provided with a bayonet end, a body and a suction nozzle, the filter element is positioned on the lower portion of the bayonet end and at the upper end of the body, and the bore width of the suction nozzle ranges from 3mm to 4mm. The suction head for the semen pipettor has the advantages that by the aid of the filter element and the lengthened body, corrosion or blockage of a plunger caused by flowing of liquor which is sucked too quickly into a plunger chamber can be effectively prevented, cross contamination of semen can be prevented, and simultaneously, and contamination of other residual liquors in the plunger chamber of the pipettor and air floaters to the semen is avoided. By the aid of the suction nozzle with a wide bore, flow velocity of the semen during suction is decreased, mechanical damage to the semen caused by suction operation is weakened, sperm viability is improved, quality of viable sperms is effectively enhanced, and thereby development of the human assisted reproductive technology in a safer, effective, standardized and orderly manner is facilitated. The suction head for the semen pipettor is simple in structure, convenient in use, low in preparation cost and suitable for popularization and use.
Description
Technical field
The utility model relates to a kind of aspirator, specifically, is a kind of seminal fluid pipettor suction nozzle.
Background technology
At present; Fields such as human supplementary reproduction, reproduction insurance, family planning and aristogenesis have been widely used in along with the freezing of semen technology; This will the refinement word bank laboratory operation personnel's normalizing operation more; Accomplish Strict aseptic during the suction seminal fluid, avoid cross pollution and reduce the sperm damage, to improve semen quality.The pipettor suction nozzle that is used for the seminal fluid suction at present, its body length 5cm, the suction nozzle bore is 1mm, and does not have filter element device, though this kind pipettor suction nozzle is applicable to the use of routine clinical chemical laboratory, and is not suitable for the pipetting of seminal fluid.Because according to physical Mechanics Calculation, the too small seminal fluid pipettor suction nozzle of this suction nozzle bore can cause sperm fast through suction nozzle in suction sperm process, easily sperm is caused certain mechanical damage, the vigor and the function of infringement sperm; In addition, suction nozzle is too short and lack stopping of filter core, causes seminal fluid when suction is too fast, is splashed into piston chamber and cross pollution takes place easily, and when the discharge seminal fluid, other solution that pipettor piston chamber is residual and air floating thing are blown into seminal fluid and pollute.
Though the frozen operation of seminal fluid conventional analysis and seminal fluid is simple, influence factor is numerous.In view of the character of seminal fluid own is different with other body fluid, in operating process, also exist some technical errors like: sample mixing, with protective agent, move operations such as liquid, suction, to the quality control and the very big influence of quality evaluation meeting generation of seminal fluid.Therefore, needing badly will a kind of seminal fluid pipettor suction nozzle that does not influence sperm function, can guard against cross infection.But, also do not appear in the newspapers at present about this seminal fluid pipettor suction nozzle.
Summary of the invention
The purpose of the utility model is to overcome deficiency of the prior art, provide a kind of and reduce sperm damage, exempt to pollute, easy and simple to handle, cost is low, the seminal fluid pipettor suction nozzle that is suitable for promoting the use of.
The seminal fluid pipettor suction nozzle of the utility model is achieved through following technical proposals.
The seminal fluid pipettor suction nozzle of the utility model is provided with filter core and suction nozzle, and suction nozzle is provided with bayonet socket end, body and suction nozzle, and filter core is positioned at the upper end of bayonet socket end bottom and body, and said suction nozzle bore width is 3～4mm.Said filter core is the cylinder network structure, and the aperture is 80～120 μ m, and the optimum aperture size is 100 μ m.Said suction nozzle bore width is 3.5mm preferably.
The utility model advantage is:
1, the suction nozzle bore is widened on conventional suction nozzle basis, and the flow velocity in the time of can slowing down the seminal fluid suction weakens the mechanical damage that vacuuming operation causes sperm, improves sperm motility, has improved the quality of sperm alive effectively.
2, be provided with the body of filter core and more conventional suction nozzle lengthening; Not only can effectively prevent to suck too fast pouring in the piston chamber because of solution; Cause plunger corrosion or obstruction; Can also prevent the generation of seminal fluid cross pollution, can prevent that other solution and air floating thing that pipettor piston chamber is residual from polluting seminal fluid simultaneously.
3, simple in structure, easy to use, preparation cost is low, is fit to promote the use of.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model.
Accompanying drawing 2 is the method for using sketch mapes that utilize the utility model suction seminal fluid.
The specific embodiment
Below in conjunction with embodiment and with reference to accompanying drawing the utility model is further described.
The Reference numeral and the part that relate in the accompanying drawing 1 are as follows:
1, filter core 2, suction nozzle
21, bayonet socket end 22, body
23, suction nozzle 4, get the liquid button
5, seminal fluid 6, vessel
Please with reference to Fig. 1, Fig. 1 is the structural representation of a kind of seminal fluid pipettor of the utility model suction nozzle.Described seminal fluid pipettor suction nozzle is made up of filter core 1 and suction nozzle 2 two parts.Said suction nozzle 2 is provided with bayonet socket end 21, body 22 and suction nozzle 23.Described bayonet socket end 21 is hollow cylindricals, length 2cm, internal diameter 8mm; Said body 22 is hollow important actor shapes, length 7～8cm, upper-end inner diameter 7mm, bottom diameter 5mm; Said suction nozzle 23 is hollow important actor shapes, upper-end inner diameter 5mm, lower end 3～4mm.The cylinder network structure that described filter core 1 is diameter 7.5mm is positioned at the lower end of suction nozzle 1 inside, bayonet socket end 21 and the upper end of body 22, adopts the cotton fibre filter paper of weak water imbibition, aperture 80～120 μ m to process.
Need to prove that said filter core 1 is processed by the cotton fibre filter paper of aperture 100 μ m, its diameter to be being as the criterion greater than body 22 upper-end inner diameter and less than bayonet socket end 21 bottom diameters, it can prevent to draw seminal fluid when too fast seminal fluid pollute liquid-transfering gun; Described suction nozzle 2 is identical with the preparation material of general pipettor suction nozzle, can carry out autoclaving and handle; Described suction nozzle 23 caliber size are 3.5mm, and seminal fluid prevents that through the speed of suction nozzle sperm from causing damage through the suction nozzle mouth at a high speed when lowering the discharge seminal fluid as far as possible.
The method for using of the utility model is following; Please with reference to Fig. 2, Fig. 2 is the method for using sketch map of a kind of seminal fluid pipettor of the utility model suction nozzle, and the bayonet socket end 21 of the utility model is linked to each other with an end of pipettor 3; What operating personnel controlled pipettor 3 gets liquid button 4; From vessel 6, get into suction nozzle 23 lentamente through principle of negative pressure seminal fluid 5, arrive body 22 and no longer rise, because the utility model is provided with the suction nozzle 23 of the wide shape of the mouth as one speaks until liquid level; Make that seminal fluid suction flow velocity is slower, weakened the mechanical damage that vacuuming operation causes sperm; Simultaneously; The utility model is provided with the body 22 of filter core 1 and lengthening; Prevented that effectively solution from sucking when too fast sperm and pouring piston chamber and cause the plunger corrosion or stop up, and then avoided the generation of cross pollution, in addition; Because the barrier effect of filter core 1 has prevented that also other solution and airborne floating thing that pipettor piston chamber is residual from getting into seminal fluid.
The above only is the embodiment of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Some improvement be can also make and these improvement and the additional protection domain that also should be regarded as the utility model replenished.
Claims (6)
1. a seminal fluid pipettor suction nozzle is provided with filter core and suction nozzle, and suction nozzle is provided with bayonet socket end, body and suction nozzle, and filter core is positioned at the upper end of bayonet socket end bottom and body, it is characterized in that, said suction nozzle bore width is 3～4mm.
2. seminal fluid pipettor suction nozzle according to claim 1 is characterized in that, said suction nozzle bore width is 3.5mm.
3. seminal fluid pipettor suction nozzle according to claim 1 is characterized in that said filter core is the cylinder network structure.
4. according to claim 1 or 3 described seminal fluid pipettor suction nozzles, it is characterized in that said filter core aperture is 80～120 μ m.
5. seminal fluid pipettor suction nozzle according to claim 4 is characterized in that, said filter core aperture is 100 μ m.
6. seminal fluid pipettor suction nozzle according to claim 1 is characterized in that said body is a hollow important actor shape, and length is 7～8cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120267800 CN202173943U (en) | 2011-07-27 | 2011-07-27 | Suction head for semen pipettor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120267800 CN202173943U (en) | 2011-07-27 | 2011-07-27 | Suction head for semen pipettor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202173943U true CN202173943U (en) | 2012-03-28 |
Family
ID=45863853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120267800 Expired - Fee Related CN202173943U (en) | 2011-07-27 | 2011-07-27 | Suction head for semen pipettor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202173943U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921482A (en) * | 2012-11-06 | 2013-02-13 | 无锡耐思生物科技有限公司 | Pipetting gun head structure with filter elements |
| CN102921483A (en) * | 2012-11-06 | 2013-02-13 | 无锡耐思生物科技有限公司 | Pipetting gun head with filter elements |
| CN104399541A (en) * | 2014-11-30 | 2015-03-11 | 浙江硕华医用塑料有限公司 | Zero-residue super-hydrophilic sucker |
| CN104841502A (en) * | 2014-02-16 | 2015-08-19 | 彭建军 | Suction head and suction head pen |
-
2011
- 2011-07-27 CN CN 201120267800 patent/CN202173943U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921482A (en) * | 2012-11-06 | 2013-02-13 | 无锡耐思生物科技有限公司 | Pipetting gun head structure with filter elements |
| CN102921483A (en) * | 2012-11-06 | 2013-02-13 | 无锡耐思生物科技有限公司 | Pipetting gun head with filter elements |
| CN104841502A (en) * | 2014-02-16 | 2015-08-19 | 彭建军 | Suction head and suction head pen |
| CN104399541A (en) * | 2014-11-30 | 2015-03-11 | 浙江硕华医用塑料有限公司 | Zero-residue super-hydrophilic sucker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20140727 |
|
| EXPY | Termination of patent right or utility model |