CN211553678U - Sheath flow tube - Google Patents
Sheath flow tube Download PDFInfo
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- CN211553678U CN211553678U CN201922095130.9U CN201922095130U CN211553678U CN 211553678 U CN211553678 U CN 211553678U CN 201922095130 U CN201922095130 U CN 201922095130U CN 211553678 U CN211553678 U CN 211553678U
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Abstract
The utility model relates to the technical field of medical detection, and provides a sheath flow barrel, which comprises a barrel body, a uniform flow support barrel and a sample needle, wherein the barrel body is provided with a cavity, a sheath liquid input port and a sheath flow output port, and the sheath liquid input port and the sheath flow output port are both communicated with the cavity; the flow-equalizing support cylinder is sleeved on the inner side wall of the cylinder body and provided with a flow-equalizing channel, the flow-equalizing channel penetrates through two ends of the flow-equalizing support cylinder, and the flow-equalizing channel is used for performing a flow-equalizing effect on sheath liquid input from the sheath liquid input port; the liquid outlet end of the sample needle penetrates into the cavity from one end of the cylinder body and penetrates through the uniform-flow support cylinder. Through the arrangement, the uniform-flow support cylinder can enable the sheath liquid in the cavity to uniformly flow so as to reduce the impact on the sample needle, and the uniform-flow support cylinder can be radially supported on the sample needle so as to improve the capability of the sample needle for resisting the sheath liquid impact, so that the stability of the sheath liquid wrapping the sample liquid is improved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a medical science detects technical field, especially relates to a sheath flow section of thick bamboo.
[ background of the invention ]
The device used to form the sheath flow in a hematology analyzer is referred to as a sheath flow cartridge. The sheath flow refers to a flow form that one liquid wraps another liquid and flows through a sensitive area together, and according to functional definition, the wrapped liquid is called sample liquid, and the liquid wrapping the sample liquid is sheath liquid.
Currently, a particle detection device of a blood analyzer can perform qualitative and quantitative detection on blood cell parameters of a sample liquid by using an optical channel. The sheath flow tube is a device used for forming stable sheath flow in the detection device, so that blood cells in the sample liquid singly pass through the optical detection channel one by one, and the stability of the sheath flow formed in the optical channel is directly related to the measurement result.
To improve the accuracy of the measurement result, the diameter of the sample liquid in the sheath flow is usually required to be several micrometers to several tens of micrometers, and the sample liquid needs to continuously and stably pass through the measurement region during the measurement process. Therefore, it is necessary to design a sheath flow cartridge structure that can ensure the stability of the sheath flow.
[ Utility model ] content
The embodiment of the utility model aims at providing a can improve the sheath and flow a section of thick bamboo of the stability that the sheath flows.
In order to achieve the above object, the utility model discloses a technical scheme be:
providing a sheath flow cartridge comprising:
the sheath fluid inlet and the sheath flow outlet are communicated with the cavity;
the flow-equalizing support cylinder is sleeved on the inner side wall of the cylinder body and provided with a flow-equalizing channel, the flow-equalizing channel penetrates through two ends of the flow-equalizing support cylinder, and the flow-equalizing channel is used for performing a flow-equalizing effect on the sheath liquid input from the sheath liquid input port;
the liquid outlet end of the sample needle penetrates into the cavity from one end of the cylinder body and penetrates through the uniform flow support cylinder, the sheath fluid input port is close to the liquid inlet end of the sample needle relative to the uniform flow support cylinder, and the sheath fluid output port is located at the other end of the cylinder body and is opposite to the liquid outlet end of the sample needle.
In some embodiments, the sample liquid connector is connected with the sample needle, and is used for connecting an external pipeline to deliver sample liquid to the sample needle.
In some embodiments, the device further comprises a fixing bracket, wherein the fixing bracket is connected with the sample liquid joint and the barrel body, and the fixing bracket is used for fixing the sample liquid joint relative to the barrel body.
In some embodiments, the flow-homogenizing scaffold cartridge is provided with a groove through which the sample needle passes, the groove being filled with a fixative for effecting fixation of the sample needle relative to the flow-homogenizing scaffold cartridge.
In some embodiments, the flow-homogenizing passage includes at least two through holes, and the at least two through holes are uniformly distributed along a circumference with a central axis of the flow-homogenizing support barrel as a center.
In some embodiments, the barrel comprises a first spool and a second spool, the first spool and the second spool being in butt joint;
part of the uniform flow support cylinder is sleeved on the inner side wall of the first bobbin, and the other part of the uniform flow support cylinder is sleeved on the inner side wall of the second bobbin.
In some embodiments, the device further comprises a sealing element, a groove is arranged at the joint of the first bobbin and the second bobbin, the sealing element is sleeved on the outer side wall of the uniform flow support barrel, and the sealing element is elastically compressed in the groove.
In some embodiments, the first bobbin is provided with a first step portion, the second bobbin is provided with a second step portion, and two ends of the uniform flow support bobbin abut against the first step portion and the second step portion respectively.
In some embodiments, the first bobbin is provided with a first positioning structure and the second bobbin is provided with a second positioning structure, the first positioning structure and the second positioning structure cooperating, the first positioning structure and the second positioning structure being for positioning the first bobbin and the second bobbin.
In some embodiments, the bobbin further comprises a third bobbin, the third bobbin is butted with the second bobbin, the first bobbin and the third bobbin are respectively located at two ends of the second bobbin, and one end of the third bobbin, which is far away from the second bobbin, is arranged in a frustum shape.
Compared with the prior art, the embodiment of the utility model provides a sheath flows a section of thick bamboo and includes barrel, even support section of thick bamboo and sample needle that flows. The uniform flow support cylinder is sleeved on the inner side wall of the cylinder body and provided with a uniform flow channel, the uniform flow channel penetrates through two ends of the uniform flow support cylinder, and the uniform flow channel is used for performing a uniform flow effect on the sheath liquid input from the sheath liquid input port so that the sheath liquid uniformly flows after passing through the uniform flow support cylinder, and therefore the impact of the sheath liquid on the sample needle is reduced; and the uniform-flow support cylinder can be radially supported on the sample needle to improve the capability of the sample needle in resisting sheath fluid impact, so that the stability of a sheath flow formed by the sheath fluid and the sample fluid is improved, and the stability of the sheath fluid wrapping the sample fluid is also improved.
[ description of the drawings ]
Fig. 1 is a schematic view of a sheath flow cartridge according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a sheath flow cartridge in accordance with an embodiment of the present invention;
fig. 3 is an exploded view of a sheath flow cartridge in accordance with an embodiment of the present invention.
[ detailed description ] embodiments
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used herein, the terms "vertical," "horizontal," "left," "right," "upper," "lower," "inner," "outer," "bottom," and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for convenience in describing the present invention and to simplify the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1-3, an embodiment of the present invention provides a sheath flow cartridge 100, the sheath flow cartridge 100 includes a cartridge body 10, a flow-equalizing rack cartridge 20 and a sample needle 30, the flow-equalizing rack cartridge 20 and the sample needle 30 are both mounted on the cartridge body 10 to form a basic structure of the sheath flow cartridge 100. Specifically, the barrel body 10 is of a hollow structure, the uniform flow support barrel 20 is installed inside the barrel body 10, the liquid outlet end of the sample needle 30 penetrates through the hollow part of the barrel body 10 from one end of the barrel body 10 and penetrates through the uniform flow support barrel 20, and the central axes of the hollow part of the barrel body 10, the uniform flow support barrel 20 and the sample needle 30 are arranged in a superposition manner. The hollow part of the cylinder 10 can allow external sheath liquid to flow in, the inflowing sheath liquid forms a sheath flow with the sample liquid output from the liquid outlet end of the sample needle 30 after passing through the flow-equalizing support cylinder 20 and is output to the outside of the cylinder 10, and the flow-equalizing support cylinder 20 is used for performing flow-equalizing action on the externally input sheath liquid; moreover, the uniform flow rack cartridge 20 has a radial supporting function on a portion of the sample needle 30 penetrating therethrough to improve the deformation resistance of the sample needle 30. Through the arrangement, the stability of sheath flow formed by the sheath liquid and the sample liquid is improved, and the stability of the sheath liquid wrapping the sample liquid is also improved.
Referring to fig. 2, the barrel 10 is generally cylindrical and has a chamber 101, a needle hole 102, a sheath fluid inlet (not shown) and a sheath fluid outlet (not shown). The chamber 101 is disposed inside the cylinder 10 to allow the liquid to flow inside the cylinder 10 and form a sheath flow, the needle hole 102, the sheath liquid input port and the sheath flow output port are all communicated with the chamber 101, the needle hole 102 and the sheath flow output port are respectively located at two ends of the cylinder 10, the sheath liquid input port is located on a side wall of the cylinder 10, and the sheath liquid input port is disposed near the needle hole 102. The needle hole 102 is used to allow the sample needle 30 to penetrate into the chamber 101, the sheath fluid input port is used to allow an external sheath fluid to flow into the chamber 101, and the sheath fluid output port is used to allow a sheath fluid formed in the chamber 101 to be output outward. Optimally, the chamber 101 is pen-shaped, so that the liquid is uniformly stressed on the inner side wall of the cylinder 10 to ensure the stability of the sheath flow formed in the chamber 101, and simultaneously, the alignment of the central axes of the cylinder 10, the uniform flow support cylinder 20 and the sample needle 30 during assembly is convenient.
The uniform flow support cylinder 20 is cylindrical, is sleeved on the inner side wall of the cylinder body 10 and separates the chamber 101 to form an upper cavity 1011 and a lower cavity 1012, and the uniform flow support cylinder 20 is communicated with the upper cavity 1011 and the lower cavity 1012.
The liquid outlet end of the sample needle 30 sequentially passes through the needle hole 102, the upper cavity 1011 and the uniform flow support cylinder 20 to the lower cavity 1012, the sheath liquid inlet of the cylinder 10 is close to the liquid inlet end of the sample needle 30 relative to the uniform flow support cylinder 20, the sheath liquid outlet is opposite to the liquid outlet end of the sample needle 30, that is, the sheath liquid inlet is communicated with the upper cavity 1011, and the sheath liquid outlet is communicated with the lower cavity 1012. In a specific embodiment, a glue may be used to seal the gap between the needle hole 102 and the sample needle 30 to securely connect the sample needle 30 and the cartridge 10 while preventing leakage of the liquid.
The uniform flow support cylinder 20 is provided with a uniform flow channel 201, the uniform flow channel 201 penetrates through two ends of the uniform flow support cylinder 20 and is communicated with an upper cavity 1011 and a lower cavity 1012, and the uniform flow support cylinder 20 is used for performing a uniform flow effect on sheath liquid input from the sheath liquid input port. The sheath fluid input from the sheath fluid input port sequentially passes through the upper cavity 1011, the uniform flow channel 201 and the lower cavity 1012, the sample fluid is output from the liquid outlet end of the sample needle 30, the sheath fluid and the sample fluid are focused in the acceleration region of the lower cavity 1012 to form a sheath fluid, the sheath fluid is output outwards through the sheath fluid output port, and the blood cells of the sample fluid in the output sheath fluid are singly and singly output through the sheath fluid output port. The sheath fluid of the upper cavity 1011 uniformly flows to the lower cavity 1012 after passing through the uniform flow channel 201, so that the sheath fluid can be uniformly distributed when flowing in the lower cavity 1012, the vibration generated by the sheath fluid impact on the sample needle 30 is reduced, the stability of the sheath fluid is improved, and the stability of the sheath fluid wrapping the sample fluid is also improved.
In this embodiment, the uniform flow channel 201 includes at least two through holes, all of which are uniformly distributed along the circumference with the central axis of the uniform flow support cylinder 20 as the center, and each of which is arranged in parallel with the central axis of the uniform flow support cylinder 20. It is understood that in some other embodiments, the plurality of through holes are distributed in a plurality of circles around the central axis of the uniform flow support cylinder 20, that is, all the through holes of each circle are uniformly distributed along the circumference around the central axis of the uniform flow support cylinder 20.
The flow-equalizing support cylinder 20 is further provided with needle pipes (not shown), which penetrate through both ends of the flow-equalizing support cylinder 20 along a central axis of the flow-equalizing support cylinder 20. The sample needle 30 sequentially penetrates through the needle hole 102 and the needle channel, and the inner side wall of the needle channel and the inner side wall of the needle hole 102 can jointly play a role in radially supporting the sample needle 30 so as to improve the rigidity of the sample needle 30, so that the sample needle 30 can better resist the impact of sheath liquid input from the sheath liquid input port, the vibration of the sample needle 30 is reduced, the stability of sheath flow is ensured, and the stability of the sheath liquid wrapping the sample liquid is also ensured.
Further, the flow-homogenizing bracket barrel 20 is further provided with a groove 202, a notch of the groove 202 is positioned on one end face of the flow-homogenizing bracket barrel 20, the groove 202 is communicated with the needle pipeline, and the sample needle 30 simultaneously penetrates through the needle pipeline and the groove 202. The groove 202 and the gap between the sample needle 30 and the needle channel are filled with a fixing agent, and the fixing agent is used for fixing the sample needle 30 relative to the uniform-flow support cylinder 20, so that the resistance of the sample needle 30 to the impact of sheath fluid is further improved, and the vibration of the sample needle 30 is reduced. In a particular embodiment, the fixing agent may be glue.
Referring to fig. 2 and 3, in the present embodiment, the sheath flow cylinder 100 further includes a sample liquid connector 40, the sample liquid connector 40 is connected to the liquid inlet end of the sample needle 30, and the sample liquid connector 40 is used for connecting an external pipeline to deliver the sample liquid to the sample needle 30. Specifically, the sample liquid joint 40 is a three-way structure, and the output end of the sample liquid joint 40 is sleeved outside the liquid inlet end of the sample needle 30. Optimally, the output end of the sample liquid connector 40 is inserted into the needle hole 102, and the sample liquid connector 40 and the needle hole 102 are prevented from moving radially relative to each other, so that the deformation of the portion of the sample needle 30 between the needle hole 102 and the sample liquid connector 40 is avoided. In a specific embodiment, an interference fit is used between the sample fluid connector 40 and the sample needle 30, and a glue may be used to seal the gap between the sample fluid connector 40 and the needle aperture 102.
In this embodiment, the sheath flow tube 100 further includes a fixing bracket 50, the fixing bracket 50 connects the sample liquid connector 40 and the barrel 10, and the fixing bracket 50 is used to fix the sample liquid connector 40 relative to the barrel 10, so as to reduce the influence of the force generated when the sample liquid connector 40 is connected to the external pipeline on the coaxiality of the sample needle 30 and the barrel 10.
Specifically, one end of the cylinder 10 close to the sample liquid joint 40 is provided with a fixing groove 103, and the fixing bracket 50 includes a clamping portion 51 and a fixing portion 52. The clamping portion 51 is of an n-shaped structure, the fixing portion 52 is formed by extending opposite side walls of two ends of the clamping portion 51, and the fixing portion 52 is matched with the fixing groove 103. Joint portion 51 joint is in sample liquid joint 40 for sample liquid joint 40 is fixed relative fixed bolster 50, and fixed part 52 embedding fixed slot 103 makes fixed bolster 50 fixed relative barrel 10, also makes sample liquid joint 40 fixed relative barrel 10 promptly. In a specific embodiment, an interference fit is adopted between the clamping portion 51 and the sample liquid connector 40, and the fixing portion 52 and the groove 202 can be further fixedly connected by glue. Of course, the clamping portion 51 and the sample liquid joint 40 can be in clearance fit with each other, and then the clamping portion 51 and the sample liquid joint 40 are filled with glue and fixedly connected.
In this embodiment, the sheath flow tube 100 further includes a sheath fluid connector 60, a fluid outlet end of the sheath fluid connector 60 is mounted on the sheath fluid inlet, and the sheath fluid connector 60 is communicated with the chamber 101, the sheath fluid connector 60 is used for connecting an external pipeline to deliver the sheath fluid into the chamber 101. In a specific embodiment, the liquid outlet end of the sheath fluid connector 60 is threaded to the sheath fluid inlet port, and the gap between the liquid outlet end of the sheath fluid connector 60 and the sheath fluid inlet port is sealed with glue.
With continued reference to fig. 2 and 3, in some embodiments, the barrel 10 includes a first barrel 11 and a second barrel 12, the first barrel 11 is provided with the upper cavity 1011, the second barrel 12 is provided with the lower cavity 1012, and the first barrel 11 and the second barrel 12 are connected together such that the upper cavity 1011 and the lower cavity 1012 are connected together to form the chamber 101. Part of the uniform flow support cylinder 20 is sleeved on the inner side wall of the first bobbin 11, and the other part of the uniform flow support cylinder 20 is sleeved on the inner side wall of the second bobbin 12, that is, one end of the first bobbin 11 and one end of the second bobbin 12 are oppositely sleeved on the uniform flow support cylinder 20, so that the uniform flow support cylinder 20 is completely contained in the chamber 101.
The first bobbin 11 is provided with a first step portion 111, the second bobbin 12 is provided with a second step portion 121, and the first step portion 111 and the second step portion 121 are used to fix the uniform flow holder cartridge 20 in the chamber 101. When the flow-equalizing support cylinder 20 is sleeved on the inner side walls of the first bobbin 11 and the second bobbin 12, two ends of the flow-equalizing support cylinder 20 respectively abut against the first step part 111 and the second step part 121, so that the flow-equalizing support cylinder 20 cannot axially move relative to the first bobbin 11 or the second bobbin 12, that is, the flow-equalizing support cylinder 20 is fixed relative to the barrel 10.
The sheath flow cartridge 100 further includes a sealing member 70, and the sealing member 70 is disposed between the uniform flow support cartridge 20 and the first and second barrels 11 and 12 to ensure the sealing property of the inside of the sheath flow cartridge 100.
Specifically, the sealing member 70 is a rubber ring, a groove (not shown) is provided at the joint of the first bobbin 11 and the second bobbin 12, the cross-sectional diameter of the sealing member 70 is larger than the width of the groove, and the sealing member 70 is elastically compressible in the groove. The sealing element 70 is sleeved on the outer side wall of the uniform-flow stent cylinder 20, and the sealing element 70 is elastically compressed in the groove, that is, the sealing element 70 radially abuts against the outer side wall of the uniform-flow stent cylinder 20 and axially abuts against the two side walls of the groove, that is, the sealing element 70 simultaneously plays the role of radial sealing and axial sealing, and the number of the sealing elements 70 required for sealing the inside of the sheath flow cylinder 100 can be reduced.
The first bobbin 11 is provided with a first connection part 112, the second bobbin 12 is provided with a second connection part 121, the first connection part 112 is located at one end of the first bobbin 11 in butt joint with the second bobbin 12, the second connection part 121 is located at one end of the second bobbin 12 in butt joint with the first bobbin 11, and the first connection part 112 and the second connection part 121 are used for being matched with each other to enable the first bobbin 11 and the second bobbin 12 to be fixedly connected. In a particular embodiment, the first and second barrels 11 and 12 may be fixedly connected by threading screws through the first and second connection portions 112 and 121.
Further, in order to ensure the coaxiality of the first bobbin 11 and the second bobbin 12, the first connecting portion 112 is provided with a first positioning structure 1121, the second connecting portion 121 is provided with a second positioning structure 1211, the first positioning structure 1121 and the second positioning structure 1211 are matched, and the first positioning structure 1121 and the second positioning structure 1211 are used for positioning the first bobbin 11 and the second bobbin 12 so that the central axes of the first bobbin 11 and the second bobbin 12 are overlapped.
Specifically, the first positioning structure 1121 is a positioning pin fixedly connected to the first connecting portion 112, and the second positioning structure 1211 is a positioning hole corresponding to the positioning pin. When the first bobbin 11 is butted with the second bobbin 12, the positioning pin penetrates into the positioning hole, so that the central axes of the first bobbin 11 and the second bobbin 12 are overlapped, which is beneficial to improving the coaxiality of the whole sheath flow cylinder 100 structure, namely improving the coaxiality of the cylinder body 10, the uniform flow support cylinder 20 and the sample needle 30, thereby ensuring the stability of sheath flow formed by sheath liquid and sample liquid.
In some embodiments, the barrel 10 further includes a third barrel (not shown), the third barrel is connected to the second barrel 12, the first barrel 11 and the third barrel are respectively located at two ends of the second barrel 12, an end of the third barrel far from the second barrel 12 is disposed in a frustum shape, and the sheath flow output port is disposed at the third barrel and located at a tip end of the third barrel.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A sheath flow cartridge, comprising:
the sheath fluid inlet and the sheath flow outlet are communicated with the cavity;
the flow-equalizing support cylinder is sleeved on the inner side wall of the cylinder body and provided with a flow-equalizing channel, the flow-equalizing channel penetrates through two ends of the flow-equalizing support cylinder, and the flow-equalizing channel is used for performing a flow-equalizing effect on the sheath liquid input from the sheath liquid input port;
the liquid outlet end of the sample needle penetrates into the cavity from one end of the cylinder body and penetrates through the uniform flow support cylinder, the sheath fluid input port is close to the liquid inlet end of the sample needle relative to the uniform flow support cylinder, and the sheath fluid output port is located at the other end of the cylinder body and is opposite to the liquid outlet end of the sample needle.
2. The sheath flow cartridge of claim 1,
the sample liquid connector is connected with the sample needle and is used for connecting an external pipeline to deliver sample liquid to the sample needle.
3. The sheath flow cartridge of claim 2,
the sample liquid joint is connected with the barrel body through the fixing support, and the fixing support is used for fixing the sample liquid joint relative to the barrel body.
4. The sheath flow cartridge of claim 1,
the uniform-flow support cylinder is provided with a groove, the sample needle penetrates through the groove, and the groove is filled with a fixing agent which is used for fixing the sample needle relative to the uniform-flow support cylinder.
5. The sheath flow cartridge of claim 1,
the uniform flow channel comprises at least two through holes, and the at least two through holes are uniformly distributed along the circumference by taking the central axis of the uniform flow support cylinder as the center of a circle.
6. The sheath flow cartridge of claim 1,
the barrel comprises a first bobbin and a second bobbin, and the first bobbin and the second bobbin are butted;
part of the uniform flow support cylinder is sleeved on the inner side wall of the first bobbin, and the other part of the uniform flow support cylinder is sleeved on the inner side wall of the second bobbin.
7. The sheath flow cartridge of claim 6,
the sealing device comprises a first bobbin and a second bobbin, and is characterized by further comprising a sealing element, wherein a groove is formed in the butt joint of the first bobbin and the second bobbin, the outer side wall of the uniform flow support barrel is sleeved with the sealing element, and the sealing element is elastically compressed in the groove.
8. The sheath flow cartridge of claim 6,
the first bobbin is provided with a first step part, the second bobbin is provided with a second step part, and two ends of the uniform flow support barrel are respectively abutted against the first step part and the second step part.
9. The sheath flow cartridge of claim 6,
the first bobbin is provided with a first positioning structure, the second bobbin is provided with a second positioning structure, the first positioning structure is matched with the second positioning structure, and the first positioning structure and the second positioning structure are used for positioning the first bobbin and the second bobbin.
10. The sheath flow cartridge of claim 6,
the first bobbin and the third bobbin are respectively positioned at two ends of the second bobbin, and one end, far away from the second bobbin, of the third bobbin is arranged in a frustum shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922095130.9U CN211553678U (en) | 2019-11-27 | 2019-11-27 | Sheath flow tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922095130.9U CN211553678U (en) | 2019-11-27 | 2019-11-27 | Sheath flow tube |
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| CN211553678U true CN211553678U (en) | 2020-09-22 |
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| CN201922095130.9U Active CN211553678U (en) | 2019-11-27 | 2019-11-27 | Sheath flow tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246292A (en) * | 2020-10-27 | 2021-01-22 | 深圳睿思生命科技有限公司 | Microfluid implementation device for controlling gas-liquid linkage |
| CN113504164A (en) * | 2021-06-09 | 2021-10-15 | 青岛众瑞智能仪器股份有限公司 | Sheath flow device and aerosol photometer |
-
2019
- 2019-11-27 CN CN201922095130.9U patent/CN211553678U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246292A (en) * | 2020-10-27 | 2021-01-22 | 深圳睿思生命科技有限公司 | Microfluid implementation device for controlling gas-liquid linkage |
| CN113504164A (en) * | 2021-06-09 | 2021-10-15 | 青岛众瑞智能仪器股份有限公司 | Sheath flow device and aerosol photometer |
| CN113504164B (en) * | 2021-06-09 | 2023-05-30 | 青岛众瑞智能仪器股份有限公司 | Sheath flow device and aerosol photometer |
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Address after: 518000 floors 4-10, building 3, Geya science and Technology Park, mashantou community clock base, Matian street, Guangming New Area, Shenzhen, Guangdong Patentee after: Shenzhen Jinrui Biotechnology Co.,Ltd. Address before: 518000 floors 4-10, building 3, Geya science and Technology Park, mashantou community clock base, Matian street, Guangming New Area, Shenzhen, Guangdong Patentee before: GENRUI BIOTECH Inc. |
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