CN216039528U - Sperm upper reaches sieving mechanism - Google Patents
Sperm upper reaches sieving mechanism Download PDFInfo
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- CN216039528U CN216039528U CN202122437072.0U CN202122437072U CN216039528U CN 216039528 U CN216039528 U CN 216039528U CN 202122437072 U CN202122437072 U CN 202122437072U CN 216039528 U CN216039528 U CN 216039528U
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- 230000007246 mechanism Effects 0.000 title description 5
- 238000007873 sieving Methods 0.000 title description 5
- 238000012216 screening Methods 0.000 claims abstract description 239
- 238000007789 sealing Methods 0.000 claims abstract description 64
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 47
- 230000008093 supporting effect Effects 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims 1
- 210000000582 semen Anatomy 0.000 abstract description 52
- 238000000034 method Methods 0.000 abstract description 34
- 230000008569 process Effects 0.000 abstract description 9
- 238000000338 in vitro Methods 0.000 abstract description 6
- 238000005457 optimization Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 description 20
- 238000005119 centrifugation Methods 0.000 description 9
- 238000000432 density-gradient centrifugation Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 210000003679 cervix uteri Anatomy 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004720 fertilization Effects 0.000 description 2
- 238000011369 optimal treatment Methods 0.000 description 2
- 230000035790 physiological processes and functions Effects 0.000 description 2
- 210000004291 uterus Anatomy 0.000 description 2
- 210000001215 vagina Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000001161 mammalian embryo Anatomy 0.000 description 1
- 230000002611 ovarian Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses a sperm upstream screening device which comprises a screening vessel and a sealer, wherein the screening vessel comprises a vessel bottom and a vessel edge surrounding the periphery of the vessel bottom, and the vessel bottom is provided with a first screening hole; the sealer comprises a sealing cover positioned in the screening vessel, the sealing cover is rotatably arranged above the bottom of the vessel, and a second screening hole which can be communicated with the first screening hole or completely staggered is arranged on the sealing cover corresponding to the first screening hole; the periphery of the sealing cover is tightly contacted with the inner wall surface of the vessel edge, and the sealing cover and the vessel edge form a collecting cavity in a surrounding manner; when the sealer is positioned at the first position, the first screening holes are communicated with the second screening holes and are communicated with the collecting cavity; when the sealer is positioned at the second position, the sealing cover seals the first screening hole; the method effectively solves the technical problems that the method for sperm in-vitro optimization treatment in the prior art is low in efficiency and high in cost, and the identity of a patient is easy to make mistakes, greatly simplifies the semen treatment process, saves the cost, and reduces the risk of making mistakes of patient information.
Description
Technical Field
The utility model relates to the technical field of in vitro reproduction, in particular to a sperm upstream screening device.
Background
With the increasing age, women have a decreasing tendency of ovarian reserve function and become increasingly difficult to conceive, which makes more and more women with a desire to breed assisted reproduction (tube babies) technology based on in vitro fertilization and embryo transfer (IVF-ET).
The technologies involved in Assisted Reproduction (ART), either intra-uterine implantation (IUI), conventional In Vitro Fertilization (IVF), or intracytoplasmic sperm injection (ICSI), require in vitro optimization of the sperm in the male. At present, the semen processing methods commonly adopted by various medical centers for reproduction at home and abroad are Density Gradient Centrifugation (DGC) and upstream (swim-up, SU). Both DGC and SU methods require semen to be transferred back and forth in different tubes, which increases both time, consumables, personnel costs and the risk of errors in checking patient identity information.
Therefore, the above prior art has at least the following technical problems: methods for in vitro optimization of sperm in the prior art require semen to be transferred back and forth in different tubes, resulting in low efficiency, high cost and susceptibility to patient identity errors.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a sperm upstream screening device, has solved the method that is used for the external optimal treatment of sperm among the prior art and needs make a round trip to shift semen in different test tubes for the technical problem that makes mistakes easily of low efficiency, with high costs and patient's identity.
In order to solve the above technical problem, an embodiment of the present application provides a sperm upstream screening apparatus, including:
the screening vessel comprises a vessel bottom and a vessel edge surrounding the periphery of the vessel bottom, and a first screening hole is formed in the vessel bottom;
the sealer comprises a sealing cover positioned in the screening vessel, the sealing cover is rotatably arranged above the vessel bottom, and a second screening hole which can be communicated with the first screening hole or completely staggered is arranged on the sealing cover corresponding to the first screening hole;
the outer periphery of the sealing cover is tightly contacted with the inner wall surface of the vessel edge, and the sealing cover and the vessel edge form a collecting cavity in a surrounding mode; when the sealer is positioned at the first position, the first screening holes are communicated with the second screening holes and are communicated with the collecting cavity; when the closer is at the second position, the sealing cover seals the first screening hole.
Further, the closure further comprises: the dish bottom and the sealing cover are both circular and have the same diameter.
Further, the closure further comprises:
the first end of the lifting rod penetrates through the center of the sealing cover and is fixedly connected with the sealing cover, and the first end is connected with a supporting head which can rotatably penetrate through a center rotating hole in the dish bottom.
Further, the supporting head is conical, the bottom surface of the cone faces the dish bottom, the tip of the cone faces the outside of the dish bottom, and the diameter of the bottom surface of the cone is larger than that of the central rotating hole.
Furthermore, the second end of the lifting rod is provided with a handle which is convenient for fingers to hold, and the handle is provided with a mark area.
Furthermore, one end of the dish edge is higher than the bottom of the dish, and is surrounded by the sealing cover to form a collection cavity for collecting sperms, the other end of the dish edge is higher than the bottom of the dish to form a support for placing the screening dish, and the support is placed on the bottom surface of the base and is parallel and level with the bottom end of the support head.
Further, the aperture of each of the first screening holes and the second screening holes is 2 mm.
Furthermore, a plurality of first screening holes are formed in the screening dish, each first screening hole forms a first screening hole combination, each first screening hole combination comprises a plurality of first screening hole columns which are radially and outwards radiated from the circle center of the dish bottom, and each first screening hole column comprises a plurality of first screening holes which are arranged at intervals.
Furthermore, a plurality of second screening holes are formed in the sealing cover, and form a second screening hole combination, the second screening hole combination comprises a plurality of second screening hole rows which radiate outwards from the center of the sealing cover along the radial direction, and each second screening hole row comprises a plurality of second screening holes which are arranged at intervals;
the second screening holes correspond to the first screening holes one to one.
Furthermore, the first screening holes are combined on the dish bottom in a shape like a Chinese character mi, and the second screening holes are combined on the sealing cover in a shape like a Chinese character mi.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
(1) in the screening device of the embodiment of the application, the screening vessel and the sealer are arranged to screen sperm at the upstream, the sealing cover is rotatably arranged in the screening vessel, a second screening hole which can be communicated with the first screening hole or completely staggered is arranged on the sealing cover corresponding to the first screening hole on the screening vessel, and the sealing cover and the vessel are enclosed to form a collecting cavity; when the sealing cover is rotated, and the first screening hole and the second screening hole are vertically communicated to form a screening channel communicated with the collection cavity, high-quality sperm with good vitality can enter the dish cavity through the screening channel, so that a screening effect is achieved; continuing to rotate the sealer until the sealing cover seals the first screening hole, and taking out the screened sperms; whole screening process can be accomplished in the sieving mechanism, need not to make a round trip to shift in the test tube of difference, effectively solved among the prior art be used for the external optimization processing of sperm's method need make a round trip to shift semen in the test tube of difference for the technical problem that the semen is makeed mistakes easily with low efficiency, with high costs and patient's identity has greatly retrencied the semen processing flow, has saved time, consumptive material, personnel's cost, because of need not make a round trip to shift semen in the test tube of difference simultaneously, has reduced the risk that patient's information made mistakes.
In addition, in the prior art, the DGC method requires repeated centrifugation of the semen sample for many times, and the centrifugation step itself can cause damage to sperm DNA; compared with a DGC method, the screening device disclosed by the embodiment of the application avoids the damage of a centrifugal operation process to sperm DNA due to the fact that the step of centrifugation is omitted.
In addition, in the prior art, the SU method is limited by the specification and shape of the existing commercial test tube because only 1-2 ml of semen is usually added into the test tube for upstream, and the contact area between a semen sample and the upstream liquid is small, so that the high-quality sperm recovery efficiency is not high; compared with an SU method, the screening device in the embodiment of the application is simplified in steps, the contact area of the semen and the upstream liquid is sufficient, and the semen with the whole volume participates in the upstream process (the upstream method usually only takes 1-2 ml of the semen to be added into a test tube for upstream), so that the semen collection efficiency can be improved, and more high-quality sperms can be obtained by enrichment in a certain time.
(2) The bottom of the screening vessel and the sealing cover are circular and have the same diameter, so that the first screening hole can only be effectively controlled to be communicated with the collecting cavity through the second screening hole.
(3) The supporting head is conical, the bottom surface of the cone faces the dish bottom, the tip of the cone faces the outside of the dish bottom, and the diameter of the bottom surface of the cone is larger than that of the central rotating hole, so that the whole screening device is supported upwards, and the dish bottom can be ensured to be in close contact with the supporting head.
(4) The handle is arranged above the lifting rod, so that the rotation is facilitated, a patient information marking area is reserved, and the semen identity information marking is facilitated.
(5) The container edge is annular, one end of the container edge is higher than the container bottom and forms a container cavity used for installing the sealer together with the container bottom, and the container edge and the sealing cover form a collecting cavity together to play a role in collecting high-quality sperms;
the other end of the dish edge is higher than the bottom of the dish to form a shelving base, and the shelving base can be abutted against the bottom of the semen taking cup to play a supporting role; in addition, the base cover is put on the frame and is established and form the screening chamber in the sperm cup bottom, can guarantee the space of below seminal fluid sample upper reaches for screening chamber space is unlikely to too big, leads to the upper reaches liquid of adding too much and causes excessive dilution to the sperm, influences final recovery efficiency.
(6) The aperture of the first screening hole and the aperture of the second screening hole are 2mm, so that the width of a cervical orifice (simulating the natural process of sperms entering a uterus from a vagina through a cervix) in a normal physiological state of a female is simulated, and the first screening hole can be completely closed.
(7) The first screening hole combination comprises a plurality of first screening holes, and the second screening hole combination comprises a plurality of second screening holes, so that a plurality of independent screening channels can be formed, and screening efficiency is improved.
(8) The diameter of the screening dish is 48mm, and the screening dish can be well matched with the bottom diameter of the existing commercial semen collection cup.
Drawings
FIG. 1 is a schematic diagram of a sperm cell upstream screening apparatus according to one embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a screening vessel of a sperm cell upstream screening apparatus according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of a closure of a sperm cell upstream screening apparatus according to one embodiment of the present application;
fig. 4 is a reference view of a sperm cell upstream screening device according to one embodiment of the present application.
Detailed Description
The embodiment of the application provides a sperm upstream screening device, has solved the method that is used for the external optimal treatment of sperm among the prior art and needs make a round trip to shift semen in different test tubes for the technical problem that makes mistakes easily of low efficiency, with high costs and patient's identity.
In order to solve the technical problems, the technical scheme provided by the application has the following general idea: the sperm upstream screening is carried out by arranging the screening vessel and the sealer, the sealing cover is rotatably arranged in the screening vessel, a second screening hole which can be communicated with the first screening hole or completely staggered is arranged on the sealing cover corresponding to the first screening hole on the screening vessel, and the sealing cover and the vessel are enclosed to form a collecting cavity; when the sealing cover is rotated, and the first screening hole and the second screening hole are vertically communicated to form a screening channel communicated with the collection cavity, high-quality sperm with good vitality can enter the dish cavity through the screening channel, so that a screening effect is achieved; continuing to rotate the sealer until the sealing cover seals the first screening hole, and taking out the screened sperms; whole screening process can be accomplished in the sieving mechanism, need not to make a round trip to shift in the test tube of difference, effectively solved among the prior art be used for the external optimization processing of sperm's method need make a round trip to shift semen in the test tube of difference for the technical problem that the semen is makeed mistakes easily with low efficiency, with high costs and patient's identity has greatly retrencied the semen processing flow, has saved time, consumptive material, personnel's cost, because of need not make a round trip to shift semen in the test tube of difference simultaneously, has reduced the risk that patient's information made mistakes.
In addition, in the prior art, the DGC method requires repeated centrifugation of the semen sample for many times, and the centrifugation step itself can cause damage to sperm DNA; compared with a DGC method, the screening device disclosed by the embodiment of the application avoids the damage of a centrifugal operation process to sperm DNA due to the fact that the step of centrifugation is omitted.
In addition, in the prior art, the SU method is limited by the specification and shape of the existing commercial test tube because only 1-2 ml of semen is usually added into the test tube for upstream, and the contact area between a semen sample and the upstream liquid is small, so that the high-quality sperm recovery efficiency is not high; compared with an SU method, the screening device in the embodiment of the application is simplified in steps, the contact area of the semen and the upstream liquid is sufficient, and the semen with the whole volume participates in the upstream process (the upstream method usually only takes 1-2 ml of the semen to be added into a test tube for upstream), so that the semen collection efficiency can be improved, and more high-quality sperms can be obtained by enrichment in a certain time.
The technical solutions of the present application are described in detail below with reference to the drawings and specific embodiments, and it should be understood that the specific features in the embodiments and examples of the present application are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features in the embodiments and examples of the present application may be combined with each other without conflict.
Fig. 1 is a schematic structural diagram of a sperm upstream screening apparatus according to an embodiment of the present application, fig. 2 is a schematic structural diagram of a screening dish of a sperm upstream screening apparatus according to an embodiment of the present application, and fig. 3 is a schematic structural diagram of a sealer of a sperm upstream screening apparatus according to an embodiment of the present application.
As shown in fig. 1 to 3, the screening apparatus includes:
the screening dish 1 comprises a dish bottom 11 and a dish edge 12 enclosing the periphery of the dish bottom 11, wherein the dish bottom 11 is provided with a first screening hole 111 through which sperms can enter the screening dish 1, and the first screening hole 111 is communicated with the screening dish 1;
the sealer 2 comprises a sealing cover 21, the sealing cover 21 is embedded in the screening dish 1 and is rotatably arranged above the dish bottom 11 of the screening dish 1, and a second screening hole 211 which can be communicated with the first screening hole 111 or completely staggered with the first screening hole 111 is arranged on the sealing cover 2 corresponding to the first screening hole 111;
the outer periphery of the sealing cover 21 is in close contact with the inner wall surface of the dish edge 1, the sealing cover 21 and the dish edge 12 of the screening dish 1 are enclosed to form a collection cavity, the sealer 2 rotates in the screening dish 1, when the sealing cover 2 is located at a first position in the screening dish 1, the first screening hole 111 and the second screening hole 211 are communicated up and down and are communicated with the collection cavity, so that a screening channel for enabling sperms to enter the collection cavity is formed, high-quality sperms with good vitality enter the dish cavity through the screening channel, a screening effect is achieved, the sealing cover 21 continues to rotate, the through area of the first screening hole 111 and the second screening hole 211 is gradually changed, until the sealer is located at a second position in the screening dish 1, the first screening hole 111 and the second screening hole 211 are completely staggered, and the sealing cover 21 seals the first screening hole 111, the screening channel is closed.
The screening device of the embodiment of the application performs upstream screening of sperms by arranging the screening dish 1 and the sealer 2, the sealing cover 21 is rotatably arranged in the screening dish 1, a second screening hole 211 which can be communicated with the first screening hole 111 or completely staggered is arranged on the sealing cover 21 corresponding to the first screening hole 111 on the screening dish 1, and the sealing cover 21 and the dish edge 12 enclose a collection cavity; the sealing cover 21 is rotated, when the first screening hole 111 and the second screening hole 211 are vertically communicated to form a screening channel communicated with the collection cavity, high-quality sperm with good vitality can enter the dish cavity through the screening channel, and therefore a screening effect is achieved; continuing to rotate the sealer 2 until the sealing cover 21 seals the first screening hole 111, and taking out the screened sperms; whole screening process can be accomplished in the sieving mechanism, need not to make a round trip to shift in the test tube of difference, effectively solved among the prior art be used for the external optimization processing of sperm's method need make a round trip to shift semen in the test tube of difference for the technical problem that the semen is makeed mistakes easily with low efficiency, with high costs and patient's identity has greatly retrencied the semen processing flow, has saved time, consumptive material, personnel's cost, because of need not make a round trip to shift semen in the test tube of difference simultaneously, has reduced the risk that patient's information made mistakes.
In addition, in the prior art, the DGC method requires repeated centrifugation of the semen sample for many times, and the centrifugation step itself can cause damage to sperm DNA; compared with a DGC method, the screening device disclosed by the embodiment of the application avoids the damage of a centrifugal operation process to sperm DNA due to the fact that the step of centrifugation is omitted.
In addition, in the prior art, the SU method is limited by the specification and shape of the existing commercial test tube because only 1-2 ml of semen is usually added into the test tube for upstream, and the contact area between a semen sample and the upstream liquid is small, so that the high-quality sperm recovery efficiency is not high; compared with an SU method, the screening device in the embodiment of the application is simplified in steps, the contact area of the semen and the upstream liquid is sufficient, and the semen with the whole volume participates in the upstream process (the upstream method usually only takes 1-2 ml of the semen to be added into a test tube for upstream), so that the semen collection efficiency can be improved, and more high-quality sperms can be obtained by enrichment in a certain time.
Further, the dish bottom 11 of the screening dish 1 and the sealing cover 21 are both circular and have the same diameter, so that the first screening holes 111 can only be effectively controlled to be communicated with the collecting cavity through the second screening holes 211.
Further, the closure 2 further includes:
carry and take pole 22, carry the first end of taking pole 22 pass the center of sealed lid 21 and with sealed lid fixed connection, just first end is connected with can be rotatable run through the support head in the center commentaries on classics hole on the dish bottom 22, thereby drive sealed lid 21 is in 1 rotates in the screening dish.
Further, the supporting head 23 is conical, the bottom surface of the cone faces the dish bottom 11, the tip of the cone faces the outside of the dish bottom 11, and the diameter of the bottom surface of the cone is larger than that of the central rotating hole, so that the whole screening device is supported upwards, and the dish bottom 11 and the supporting head 23 are in close contact.
Specifically, the diameter of the bottom surface of the cone is 2mm larger than that of the rotary hole.
Further, a handle 24 convenient for fingers to hold is arranged at the second end of the lifting rod 22, and a marking area is arranged on the handle 24.
Specifically, the length of carrying the pole 22 is 50mm, the diameter is 3mm, handle 24 is the shield form, the thickness of handle is 2mm, length is 20mm, the width is 10 mm. The handle 24 arranged above the lifting rod 22 facilitates rotation, and reserves a patient information marking area for semen identity information marking.
Further, the dish edge 12 is annular, one end of the dish edge 12 is higher than the dish bottom 11, and the dish edge and the sealing cover 21 form a collection cavity for collecting sperms in a surrounding manner; the other end of the dish edge 12 is higher than the dish bottom 11 to form a frame capable of erecting the screening dish 1, the frame is placed on the base, the bottom surface of the frame is flush with the bottom end of the support head 23, the frame is placed on the base cover and is arranged on the bottom of the refined cup, and the frame and the bottom of the refined cup form a screening cavity.
Specifically, the erecting and placing base can abut against the bottom of the semen taking cup, so that a supporting effect is achieved; in addition, the base cover is put on the frame and is established and form the screening chamber in the sperm cup bottom, can guarantee the space of below seminal fluid sample upper reaches for screening chamber space is unlikely to too big, leads to the upper reaches liquid of adding too much and causes excessive dilution to the sperm, influences final recovery efficiency.
In the present embodiment, the capsule bottom 11 is 1mm thick and 48mm in diameter. The thickness of the dish edge 12 is 1mm, and the height is 10 mm; the dish limit is cyclic annular, and cyclic annular external diameter is 50 mm. The plane of the dish bottom 11 is connected to the middle lower part of the dish edge 12, namely the dish edge 12 is 6mm higher than the dish bottom 11, and 4mm is arranged below the dish edge, and the dish edge is not arranged in the middle. The sealing cover 21 is 1mm thick and 48mm in diameter and is completely positioned in the screening dish 1.
The diameter of the screening dish 1 is 48mm, and the screening dish can be well matched with the bottom diameter of the existing commercial semen collection cup.
Further, the aperture of the first screening holes 111 and the second screening holes 211 is 2mm, which simulates the width of the cervical opening of a female in a normal physiological state (simulating the natural process of sperm entering the uterus from the vagina through the cervix), and ensures that the first screening holes can be completely closed.
The first screening hole 111 of a plurality of has been seted up on the screening dish 1, the first screening hole 111 of a plurality of constitutes first screening hole combination, first screening hole combination includes a plurality of certainly the first screening hole that the centre of a circle of 11 radially outwards radiated is listed as at the bottom of the dish, and every first screening hole is listed as including that a plurality of is equidistant to be set up first screening hole 111.
The sealing cover 2 is provided with a plurality of second screening holes 211, the plurality of second screening holes 211 form a second screening hole combination, the second screening hole combination comprises a plurality of second screening hole rows which radiate outwards from the center of the sealing cover 1 along the radial direction, and each second screening hole row comprises a plurality of second screening holes 211 which are arranged at equal intervals;
the second screening holes 211 correspond to the first screening holes 111 one to one. In this embodiment, the first screening holes are combined on the dish bottom 11 in a shape like a Chinese character 'mi', and the second screening holes are combined on the sealing cover in a shape like a Chinese character 'mi'.
Specifically, in this embodiment, the first screening hole combination includes 33 first screening holes 111, and the second screening hole combination includes 33 second screening holes 211, so that a plurality of independent screening channels can be formed, thereby improving the screening efficiency.
Fig. 4 is a reference diagram of a sperm cell upstream screening device according to one embodiment of the present application, and as shown in fig. 4, the present invention may be used as follows:
carefully adding 5-20 ml of sperm upstream liquid above the semen sinking in the semen collecting cup, then gently placing the screening device in the embodiment of the application into the semen collecting cup, enabling the support placing base at the bottom of the screening dish 1 to be in contact with the bottom of the semen collecting cup, and placing for 30-60 min;
in the period of time, the high-quality sperm with good vitality can upwards sequentially pass through the second screening hole 211 on the sealer 2 and the first screening hole 111 on the screening dish 1 and enter the collection cavity;
at this time, one hand holds the outer side of the semen taking cup to keep the position of the screening dish 1 relatively fixed, the other hand holds the handle 24 and rotates the sealing cover 21 clockwise or anticlockwise until the second screening hole 211 and the first screening hole 111 are staggered with each other, so that the first screening hole 111 is closed, and then the whole screening device is lifted upwards;
and (4) sucking the sperms in the collection cavity by using a suction pipe, and finally realizing effective collection of upstream high-quality sperms.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element may be termed a second element, and, similarly, a second element may be termed a first element, without departing from the scope of example embodiments.
The terms of orientation, outer, intermediate, inner, etc., as referred to or as may be referred to in the specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed according to the position and the use state of the structure. Therefore, these and other directional terms should not be construed as limiting terms.
While the foregoing is directed to the preferred embodiment of the present application, and not to the limiting thereof in any way and any way, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. Those skilled in the art can make various changes, modifications and equivalent arrangements to those skilled in the art without departing from the spirit and scope of the present application; moreover, any equivalent alterations, modifications and variations of the above-described embodiments according to the spirit and techniques of this application are intended to be within the scope of the claims of this application.
Claims (10)
1. A sperm upstream screening device, comprising:
the screening vessel comprises a vessel bottom and a vessel edge surrounding the periphery of the vessel bottom, and a first screening hole is formed in the vessel bottom;
the sealer comprises a sealing cover positioned in the screening vessel, the sealing cover is rotatably arranged above the vessel bottom, and a second screening hole which can be communicated with the first screening hole or completely staggered is arranged on the sealing cover corresponding to the first screening hole;
the outer periphery of the sealing cover is tightly contacted with the inner wall surface of the vessel edge, and the sealing cover and the vessel edge form a collecting cavity in a surrounding mode; when the sealer is positioned at the first position, the first screening holes are communicated with the second screening holes and are communicated with the collecting cavity; when the closer is at the second position, the sealing cover seals the first screening hole.
2. The sperm cell upstream screening device of claim 1, wherein the sealer further comprises: the dish bottom and the sealing cover are both circular and have the same diameter.
3. The sperm cell upstream screening device of claim 2, wherein said sealer further comprises:
the first end of the lifting rod penetrates through the center of the sealing cover and is fixedly connected with the sealing cover, and the first end is connected with a supporting head which can rotatably penetrate through a center rotating hole in the dish bottom.
4. The sperm upstream screening device of claim 3, wherein the support head is conical, the bottom surface of the cone faces the dish bottom, the tip of the cone faces the outside of the dish bottom, and the diameter of the bottom surface of the cone is greater than the diameter of the central rotating hole.
5. The sperm cell upstream screening device of claim 3 wherein the second end of the lifting bar is provided with a finger grip and wherein the finger grip is provided with a marking zone.
6. The sperm upstream screening device of claim 3, wherein one end of the dish edge is higher than the dish bottom and forms a collection chamber with the sealing cover for collecting sperm, the other end of the dish edge is higher than the dish bottom to form a shelving base capable of shelving the screening dish, and the bottom surface of the shelving base is flush with the bottom end of the support head.
7. The sperm upstream screening device of claim 1, wherein the first screening aperture and the second screening aperture each have a pore size of 2 mm.
8. The sperm upstream screening device of claim 2, wherein the screening dish is provided with a plurality of first screening holes, wherein the plurality of first screening holes form a first screening hole assembly, wherein the first screening hole assembly comprises a plurality of first screening hole rows radiating radially outward from a center of the dish bottom, and each first screening hole row comprises a plurality of first screening holes arranged at intervals.
9. The sperm upstream screening device of claim 8, wherein the sealing cap defines a plurality of second screening apertures, wherein the plurality of second screening apertures define a second screening aperture assembly, wherein the second screening aperture assembly includes a plurality of second screening aperture rows radiating radially outward from a center of the sealing cap, and wherein each of the second screening aperture rows includes a plurality of second screening apertures spaced apart from each other;
the second screening holes correspond to the first screening holes one to one.
10. The sperm cell upstream screening apparatus of claim 9 wherein the first screening aperture assembly is m-shaped on the dish bottom and the second screening aperture assembly is m-shaped on the sealing cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122437072.0U CN216039528U (en) | 2021-10-11 | 2021-10-11 | Sperm upper reaches sieving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122437072.0U CN216039528U (en) | 2021-10-11 | 2021-10-11 | Sperm upper reaches sieving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216039528U true CN216039528U (en) | 2022-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122437072.0U Active CN216039528U (en) | 2021-10-11 | 2021-10-11 | Sperm upper reaches sieving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216039528U (en) |
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2021
- 2021-10-11 CN CN202122437072.0U patent/CN216039528U/en active Active
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