CN101805691B - Inner sleeve type separation screening sperm tube - Google Patents
Inner sleeve type separation screening sperm tube Download PDFInfo
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- CN101805691B CN101805691B CN201010160927A CN201010160927A CN101805691B CN 101805691 B CN101805691 B CN 101805691B CN 201010160927 A CN201010160927 A CN 201010160927A CN 201010160927 A CN201010160927 A CN 201010160927A CN 101805691 B CN101805691 B CN 101805691B
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- tube
- outer tube
- inner sleeve
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/04—Cell isolation or sorting
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/38—Caps; Covers; Plugs; Pouring means
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/10—Separation or concentration of fermentation products
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Abstract
The invention discloses an inner sleeve type separation screening sperm tube, which comprises an outer tube. An inner tube is arranged at the bottom of the outer tube; one end of the inner tube is in the outer tube, while the other end is out of the outer tube; and the outer tube is provided with a liquid outlet tube on which an unscrewing valve is arranged. The separation screening sperm tube is provided with the outer tube and the inner tube, sperm is placed in the inner tube, and nutrient solution is injected into the outer tube; when the nutrient solution containing high-activity sperms is extracted from the outer tube, the level of the primary sperm in the inner tube is not disturbed so as to prevent the primary sperm component from being partially sucked into the upstream solution when the nutrient solution containing high-activity sperms is extracted and improve the quality of screening the sperms. The separation screening sperm tube also has the advantages of simple and compact structure, low manufacturing cost and convenient use.
Description
Technical field
The present invention relates to a kind of inner sleeve type separation screening sperm tube.
Background technology
At present, medical domain often adopts the high sperm of upper reaches method screening vigor, is used for artificial fertilization; To solve the problem of some patient's sterility and infertility, still, not enough below the utensil of upper reaches method screening sperm exists: the utensil of upper reaches method screening sperm is the Fahrenheit pipe; When extraction contains the nutritional solution of high motile sperm in the Fahrenheit pipe, because the Fahrenheit pipe is the single tube structure, therefore; Inevitably former seminal fluid is also drawn up; Refining, weak sperm or the necrospermia of vigor in the former seminal fluid are sneaked in the nutritional solution, reduced the concentration of high motile sperm, the quality of influence screening sperm.
Summary of the invention
The object of the invention has provided a kind of inner sleeve type separation screening sperm tube, and it can prevent when extraction contains high vigor nutritional solution, former seminal fluid together to be drawn effectively, can improve the quality of sperm screening.
The objective of the invention is to realize through following technical scheme: inner sleeve type separation screening sperm tube, comprise outer tube, pipe in install the outer tube bottom, interior pipe upper end in outer tube, the lower surface of protrusion outer tube bottom, lower end; Drain pipe is set on the outer tube, the valve of outwarding winding is installed on the drain pipe.
For further realizing the object of the invention, can also adopt following technical scheme to realize: on the valve of outwarding winding connection tube to be installed, to be installed on the connection tube and get spermaduct.Outer tube top mounting pipe lid.Circular groove is offered at the top of pipe lid, and triangular groove is offered in the bottom of pipe lid, and triangular groove communicates with circular groove; The knob rotating disk is arranged in the circular groove; Knob rotating disk top is provided with the knob handle, and knob rotating disk bottom is provided with the triangle localizer, triangle localizer and triangular groove matched in clearance; On the knob rotating disk feed tube is installed, the bottom of feed tube is positioned at outer tube.The periphery of feed tube is installed annular first Magnetitum and sealing ring, and first Magnetitum and sealing ring are positioned at outer tube, and feed tube lower end tube wall is provided with leakage fluid dram; Discharging tube is installed in the outer tube bottom, and the upper end of discharging tube links to each other with feed tube, and stretch out outside the outer tube lower end of discharging tube; Annular second Magnetitum is installed at the top of discharging tube.First boss is set on the inwall of discharging tube, the diaphragm seal and first spring are installed in the discharging tube, the lower end of first spring contacts with first boss, and diaphragm seal is installed in the upper end of first spring, and diaphragm seal contacts with second Magnetitum.Outer tube bottom mounting seat.The valve of outwarding winding is connected and composed by the valve body of outwarding winding, handwheel, valve shaft, disk and rubber ring, on the valve body of outwarding winding valve shaft is installed, and an end of valve shaft is installed handwheel, and the other end of valve shaft is installed disk, and disk is positioned at the valve body of outwarding winding, disk periphery rubber ring.Get the spermaduct top rubber stopper is installed, get on the sidewall of spermaduct exhaustor is set, air valve is installed on the exhaustor.Air valve is by air valve body, spool and push away handle and connect and compose; Offer air vent on the air valve body sidewall, the inwall of air valve body is provided with annular boss and guide pad, and second spring and spool are installed in the air valve body; One end of spool passes outer installation of air valve body and pushes away handle; Be provided with passage in the spool, offer gathering sill on the sidewall of spool, gathering sill cooperates with guide pad.
Good effect of the present invention is: it has outer tube and interior pipe; Place seminal fluid in the interior pipe, the nutritional solution of annotating in the outer tube is when containing the nutritional solution of high motile sperm by the outer tube extraction; Former seminal fluid liquid level is interference-free in managing in can making; Prevent that when extraction contains the nutritional solution of high motile sperm former seminal fluid component portion is inhaled in the liquid of the upper reaches, improved the quality of screening sperm.The present invention also has advantage simple and compact for structure, cheap for manufacturing cost and easy to use.
Description of drawings
Fig. 1 is the structural representation of inner sleeve type separation screening sperm tube; Fig. 2 is that the A of Fig. 1 is to structural representation; Fig. 3 is the local structure for amplifying sketch map of the I of Fig. 1; Fig. 4 is the local structure for amplifying sketch map of the II of Fig. 1; Fig. 5 for the B of Fig. 4 to looking the structure for amplifying sketch map; Fig. 6 is the local structure for amplifying sketch map of the III of Fig. 1.
Reference Numerals: 1 shuttle dial knob shank 2 3 4 triangulating cover 5 is the base of the outer tube 6 7 8 inlet pipe 9 of the inner tube 10 unscrew the valve tube 11 is connected to pipe 12 will extract the gas pipe 13 Exhaust pipe 14 valve 15 rubber plug 16 seals the fluid outlet 17 the first sheet 18 is a first spring projection 19 20 21 discharge tube 22 seals the first magnet 23 the valve shaft 25, the second magnet 24 vent 26 the rubber ring 28 disc handwheel 27 29 annular boss 30 second exhaust port 32 spring 31 to push the guide block 33 shank 34 spool 35 circular recess 36 Unscrew the valve body 37 valve body 38 triangular grooves 39 trough 40 ring cavity.
The specific embodiment
Inner sleeve type separation screening sperm tube of the present invention, as shown in Figure 1, comprise outer tube 5, pipe 8 in install outer tube 5 bottoms, interior pipe 8 upper ends are in outer tube 5, and the lower surface of outer tube 5 bottoms, looping chamber 40 between outer tube 5 and the interior pipe 8 are protruded in the lower end; Drain pipe 9 is set on the outer tube 5, and drain pipe 9 communicates with annular chamber 40, and the valve 10 of outwarding winding is installed on the drain pipe 9.Interior pipe 8 is used to place seminal fluid, and outer tube 5 is used to the sperm nutrient solution of annotating.
During use, pipe 8 in earlier seminal fluid being injected, the upper surface of pipe 8 promptly can not be filled it up with seminal fluid in the seminal fluid liquid level should be lower than, and 2/3rds places of pipe 8 get final product in usually seminal fluid being added to; In annular chamber 40, inject sperm nutrient solution again, when in the nutritional solution liquid level equals, managing 8 upper surfaces, continue to inject sperm nutrient solution, manage in 8, till being full of in sperm nutrient solution injects; Then, inner sleeve type separation screening sperm tube is positioned over hatches 40-60 minute in the incubator, make the high motile sperm upper reaches to sperm nutrient solution; Open the valve 10 of outwarding winding at last, the nutritional solution that contains high motile sperm is flowed out by outer tube 5.When containing the sperm nutrient solution of high motile sperm with the extraction of inner sleeve type separation screening sperm tube of the present invention; Can guarantee that former seminal fluid liquid level is interference-free in the interior pipe 8; Prevent other visible components in the refining; For example leukocyte, epithelial cell, antibacterial etc., and sperm or Necrospermia a little less than the energy are sneaked in the extracting solution, thereby can improve the effect of sperm screening.
Extract the nutritional solution that contains high motile sperm for ease, as shown in Figure 1, connection tube 11 is installed on the valve 10 of outwarding winding, install on the connection tube 11 and get spermaduct 12.Open the valve 10 of outwarding winding, the sperm nutrient solution that contains high motile sperm is flowed directly into connection tube 11 through the valve 10 of outwarding winding by outer tube 5 to be got in the spermaduct 12.
For in the process of hatching, not receiving outside contamination, as shown in Figure 1, outer tube 5 top mounting pipe lids 3.
To annotate seminal fluid and can under the environment that comparatively seals, carry out in order to make, prevent in injection process seminal fluid or sperm nutrient solution as far as possible by external environmental with the sperm nutrient solution process, as depicted in figs. 1 and 2; Pipe covers 3 top offers circular groove 35; Pipe covers 3 bottom offers triangular groove 38, and the diameter of circular groove 35 is greater than the circumscribed circle diameter of triangular groove 38, and triangular groove 38 communicates with circular groove 35; Knob rotating disk 2 is arranged in the circular groove 35; Knob rotating disk 2 tops are provided with knob handle 1, and knob rotating disk 2 bottoms are provided with triangle localizer 4, triangle localizer 4 and triangular groove 38 matched in clearance; Feed tube 7 is installed on the knob rotating disk 2, and the bottom of feed tube 7 is positioned at outer tube 5.In order to ensure triangle localizer 4 being separated with triangular groove 38 so that knob rotating disk 2 can be rotated, the thickness of triangle localizer 4 and knob rotating disk 2 close the degree of depth that equals circular groove 35.
When injecting seminal fluid, mention knob handle 1, through knob rotating disk 2 with triangle localizer 4 by pulling out in the triangular groove 38; Turning knob rotating disk 2 is threaded to interior 8 tops, i.e. the b position of managing with feed tube 7; Again triangle localizer 4 is embedded in the triangular groove 38; Promptly accomplish the location work of annotating seminal fluid, at this moment, can inwardly manage and inject seminal fluid in 8.After accomplishing the seminal fluid injection, when needing to annotate sperm nutrient solution, mention knob handle 1; And turning knob rotating disk 2, make feed tube 7 be threaded to a position or c position, triangle localizer 4 is embedded in the triangular groove 38; At this moment, feed tube 7 is positioned at annular chamber 40, can in outer tube 5, inject sperm nutrient solution.
In order further to guarantee to screen the quality of sperm, prevent that feed tube 7 from adding seminal fluid after, add again in the process of sperm nutrient solution, the residual seminal fluid in the feed tube 7 together get in the annular chamber 40 with sperm nutrient solution.As shown in figures 1 and 3, the periphery of feed tube 7 can be installed annular first Magnetitum 21 and is positioned at outer tube 5 with sealing ring 22, the first Magnetitums 21 with sealing ring 22, and feed tube 7 lower end tube walls are provided with leakage fluid dram 16; Discharging tube 20 is installed in outer tube 5 bottoms, the lower ends of the upper end of discharging tube 20 and feed tube 7, and stretch out outside the outer tube 5 lower end of discharging tube 20; Annular second Magnetitum 23 is installed at the top of discharging tube 20.When adding seminal fluid, mention knob handle 1 and turning knob rotating disk 2 feed tube 7 is separated with discharging tube 20, and be positioned at the top of pipe 8, be i.e. the b position; Clean feed tube 7 after adding seminal fluid, mention knob handle 1 and rotate and knob rotating disk 2, make feed tube 7 be threaded to discharging tube 20 tops; Be a position, triangle localizer 4 is embedded in the triangular groove 38, feed tube 7 lower ends are inserted in the discharging tube 20; At this moment, first Magnetitum 21 on the feed tube 7 attracts each other with second Magnetitum 23 on the discharging tube 20 and compresses sealing ring 22, and sealing ring 22 can be guaranteed the air-tightness between feed tube 7 and the discharging tube 20; Liquid spills when preventing to clean; Can inject the tube wall that distilled water cleans feed tube 7 this moment in feed tube 7, distilled water flows into discharging tube 20 through liquid outlet 16, and discharged outside the outer tube 5 by discharging tube 20; After clean finishing, mention knob handle 1 turning knob rotating disk 2, feed tube 7 is threaded to the c position, triangle localizer 4 is embedded in the triangular grooves 38 behind the location, in outer tube 5, inject sperm nutrient solution; After injecting sperm nutrient solution; For guaranteeing sealing in the outer tube 5; Should forward feed tube 7 to a position once more; Utilize first Magnetitum 21, second Magnetitum 23 and sealing ring 22, make the lower port of feed tube 7 and the port sealing of discharging tube 20, the seminal fluid of pipe 8 is hedged off from the outer world with outer tube 5 interior sperm nutrient solutions in guaranteeing.
For the step that simplifies the operation, increase work efficiency; As shown in Figure 3; First boss 19 is set on the inwall of discharging tube 20, and the lower end that diaphragm seal 17 and first spring, 18, the first springs 18 are installed in the discharging tube 20 contacts with first boss 19; Diaphragm seal 17 is installed in the upper end of first spring 18, and diaphragm seal 17 contacts with second Magnetitum 23.Depress diaphragm seal 17 and under the effect of first spring 18, can compress second Magnetitum 23, with 23 sealings of second Magnetitum, the port that is about to discharging tube 20 is stopped up; Therefore; After injecting sperm nutrient solution, can need not to rotate feed tube 7 again, utilize feed tube 7 to be connected sealing with discharging tube 20.When need clean feed tube 7, can feed tube 7 be inserted in the discharging tubes 20, the elastic force that overcomes first spring 18 is depressed diaphragm seal 17 and is got final product.Under the magneticaction of first Magnetitum 21 and second Magnetitum 23, can prevent that first spring 18 from pushing feed tube 7 open.
For the ease of placing outer tube 5, as shown in Figure 1, but outer tube 5 bottom mounting seat 6.
The described valve 10 of outwarding winding can be existing ball valve; Can be structure as shown in Figure 4 also: the valve 10 of outwarding winding be connected and composed by the valve body 36 of outwarding winding, handwheel 28, valve shaft 24, disk 26 and rubber ring 27; Outward winding valve shaft 24 is installed on the valve body 36, an end of valve shaft 24 is installed handwheel 28, and the other end of valve shaft 24 is installed disk 26; Disk 26 is positioned at the valve body 36 of outwarding winding, disk 26 periphery rubber rings 27.The described valve 10 of outwarding winding of this scheme uses more lightly nimble than existing ball-valve structure is more simple, volume is littler, weight is lighter.
For in closed environment, extracting the nutritional solution that contains high motile sperm; Guarantee that further the sperm nutrient solution that extracts does not receive external pollution, as shown in Figure 1, get spermaduct 12 tops rubber stopper 15 is installed; Get on the sidewall of spermaduct 12 exhaustor 13 is set, air valve 14 is installed on the exhaustor 13.When extraction contains the nutritional solution of high motile sperm, open the valve 10 of outwarding winding earlier, open air valve 14 again, sperm nutrient solution just can get into and get in the spermaduct 12.
As shown in Figure 6, described air valve 14 can and push away handle 33 by air valve body 37, spool 34 and connect and compose, and offers air vent 31 on air valve body 37 sidewalls; The inwall of air valve body 37 is provided with annular boss 29 and guide pad 32; Second spring 30 and spool 34, the second springs 30 are installed in the air valve body 37 between spool 34 and annular boss 29, an end of spool 34 passes air valve body 37 outer installations and pushes away handle 33; Be provided with passage 25 in the spool 34; Offer gathering sill 39 on the sidewall of spool 34, gathering sill 39 cooperates with guide pad 32, and gathering sill 39 can make spool 34 air valve body 37 rotations relatively with guide pad 32; Thereby when guaranteeing to extract nutritional solution, passage 25 can corresponding communicating with air vent 31.When needing in getting spermaduct 12, to inject sperm nutrient solution, push away handle 33, passage 25 is got final product with air vent 31 corresponding communicating.
The present invention not technology contents of detailed description is known technology.
Claims (10)
1. inner sleeve type separation screening sperm tube is characterized in that: comprise outer tube (5), pipe (8) in install outer tube (5) bottom, interior pipe (8) upper end in outer tube (5), the lower surface of lower end protrusion outer tube (5) bottom; Drain pipe (9) is set on the outer tube (5), and drain pipe (9) is gone up the valve (10) of outwarding winding is installed.
2. inner sleeve type separation screening sperm tube according to claim 1 is characterized in that: the valve of outwarding winding (10) is gone up connection tube (11) is installed, and connection tube (11) is gone up to install and got spermaduct (12).
3. inner sleeve type separation screening sperm tube according to claim 1 and 2 is characterized in that: outer tube (5) top mounting pipe lid (3).
4. inner sleeve type separation screening sperm tube according to claim 3; It is characterized in that: circular groove (35) is offered at the top of pipe lid (3), and triangular groove (38) is offered in the bottom of pipe lid (3), and triangular groove (38) communicates with circular groove (35); Knob rotating disk (2) is arranged in the circular groove (35); Knob rotating disk (2) top is provided with knob handle (1), and knob rotating disk (2) bottom is provided with triangle localizer (4), triangle localizer (4) and triangular groove (38) matched in clearance; Knob rotating disk (2) is gone up feed tube (7) is installed, and the bottom of feed tube (7) is positioned at outer tube (5).
5. inner sleeve type separation screening sperm tube according to claim 4; It is characterized in that: the periphery of feed tube (7) is installed annular first Magnetitum (21) and sealing ring (22); First Magnetitum (21) and sealing ring (22) are positioned at outer tube (5), and feed tube (7) lower end tube wall is provided with leakage fluid dram (16); Discharging tube (20) is installed in outer tube (5) bottom, and the upper end of discharging tube (20) links to each other with feed tube (7), and stretch out outside the outer tube (5) lower end of discharging tube (20); Annular second Magnetitum (23) is installed at the top of discharging tube (20).
6. inner sleeve type separation screening sperm tube according to claim 5; It is characterized in that: first boss (19) is set on the inwall of discharging tube (20); Diaphragm seal (17) and first spring (18) are installed in the discharging tube (20); The lower end of first spring (18) contacts with first boss (19), and diaphragm seal (17) is installed in the upper end of first spring (18), and diaphragm seal (17) contacts with second Magnetitum (23).
7. inner sleeve type separation screening sperm tube according to claim 1 is characterized in that: outer tube (5) bottom mounting seat (6).
8. inner sleeve type separation screening sperm tube according to claim 1; It is characterized in that: the valve of outwarding winding (10) is connected and composed by the valve body of outwarding winding (36), handwheel (28), valve shaft (24), disk (26) and rubber ring (27); The valve body (36) of outwarding winding is gone up valve shaft (24) is installed; One end of valve shaft (24) is installed handwheel (28); The other end of valve shaft (24) is installed disk (26), and disk (26) is positioned at the valve body of outwarding winding (36), disk (26) periphery rubber ring (27).
9. inner sleeve type separation screening sperm tube according to claim 2 is characterized in that: get spermaduct (12) top rubber stopper (15) is installed, get on the sidewall of spermaduct (12) exhaustor (13) is set, exhaustor (13) is gone up air valve (14) is installed.
10. inner sleeve type separation screening sperm tube according to claim 9; It is characterized in that: air valve (14) is by air valve body (37), spool (34) and push away handle (33) and connect and compose; Offer air vent (31) on air valve body (37) sidewall; The inwall of air valve body (37) is provided with annular boss (29) and guide pad (32); Second spring (30) and spool (34) are installed in the air valve body (37), and an end of spool (34) passes outer installation of air valve body (37) and pushes away handle (33), is provided with passage (25) in the spool (34); Offer gathering sill (39) on the sidewall of spool (34), gathering sill (39) cooperates with guide pad (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010160927A CN101805691B (en) | 2010-04-30 | 2010-04-30 | Inner sleeve type separation screening sperm tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010160927A CN101805691B (en) | 2010-04-30 | 2010-04-30 | Inner sleeve type separation screening sperm tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101805691A CN101805691A (en) | 2010-08-18 |
| CN101805691B true CN101805691B (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010160927A Expired - Fee Related CN101805691B (en) | 2010-04-30 | 2010-04-30 | Inner sleeve type separation screening sperm tube |
Country Status (1)
| Country | Link |
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| CN (1) | CN101805691B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120111B (en) * | 2011-01-28 | 2012-10-31 | 山东省计划生育科学技术研究所 | Single-filtration seminal fluid separating centrifuge tube |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5575914A (en) * | 1994-12-23 | 1996-11-19 | Vance Products Incorporated | Sperm filter trap having compressed glass wool filter material |
| WO2000009648A1 (en) * | 1998-08-14 | 2000-02-24 | Genosis Limited | Separation and detection of spermatozoa |
| CN2501471Y (en) * | 2001-09-05 | 2002-07-24 | 李肖甫 | Semen up-stream tube |
| CN2822540Y (en) * | 2005-04-28 | 2006-10-04 | 尼普洛株式会社 | Sperm sorting vessel |
| CN101481652A (en) * | 2009-02-11 | 2009-07-15 | 邱毅 | Double tube type pelagic screening sperm tube |
| CN201334483Y (en) * | 2009-02-11 | 2009-10-28 | 邱毅 | Double-tube floating screening sperm tube |
| CN201334482Y (en) * | 2009-02-12 | 2009-10-28 | 邱毅 | Sperm tube with functions of floating and screening |
-
2010
- 2010-04-30 CN CN201010160927A patent/CN101805691B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5575914A (en) * | 1994-12-23 | 1996-11-19 | Vance Products Incorporated | Sperm filter trap having compressed glass wool filter material |
| WO2000009648A1 (en) * | 1998-08-14 | 2000-02-24 | Genosis Limited | Separation and detection of spermatozoa |
| CN2501471Y (en) * | 2001-09-05 | 2002-07-24 | 李肖甫 | Semen up-stream tube |
| CN2822540Y (en) * | 2005-04-28 | 2006-10-04 | 尼普洛株式会社 | Sperm sorting vessel |
| CN101481652A (en) * | 2009-02-11 | 2009-07-15 | 邱毅 | Double tube type pelagic screening sperm tube |
| CN201334483Y (en) * | 2009-02-11 | 2009-10-28 | 邱毅 | Double-tube floating screening sperm tube |
| CN201334482Y (en) * | 2009-02-12 | 2009-10-28 | 邱毅 | Sperm tube with functions of floating and screening |
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| Publication number | Publication date |
|---|---|
| CN101805691A (en) | 2010-08-18 |
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Granted publication date: 20121017 Termination date: 20140430 |