CN219273931U - Puncture needle cleaning device and coagulation analyzer - Google Patents
Puncture needle cleaning device and coagulation analyzer Download PDFInfo
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- CN219273931U CN219273931U CN202320733251.5U CN202320733251U CN219273931U CN 219273931 U CN219273931 U CN 219273931U CN 202320733251 U CN202320733251 U CN 202320733251U CN 219273931 U CN219273931 U CN 219273931U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
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- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The utility model discloses a puncture needle cleaning device which comprises a puncture inner ring and a fixing component. The puncture inner ring is provided with a puncture needle cleaning pool for the puncture needle to be inserted, and when the puncture needle is cleaned, the puncture needle extends into the puncture needle cleaning pool. The inner ring of puncture has offered the inlet that is used for the feed liquor and is used for the liquid outlet, and inlet and liquid outlet all communicate with pjncture needle clean pond, and the washing liquid gets into pjncture needle clean pond and is discharged by the liquid outlet by the inlet to carry away the residual blood sample on the pjncture needle outer wall in the cleaning process, avoid causing the influence to the reuse of pjncture needle. The liquid inlet and the liquid outlet are uniformly distributed along the circumferential direction of the puncture inner ring, so that the cleaning liquid can uniformly flow into the puncture needle cleaning pool and flow out of the liquid outlet, and the cleaning dead zone is avoided. The puncture inner ring is arranged on the fixing component, and the puncture inner ring and the coagulometer body can be installed and fixed through the fixing component.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a puncture needle cleaning device and a coagulation analyzer.
Background
The puncture needle cleaning device is an important component of the full-automatic coagulation analyzer, when the full-automatic coagulation analyzer operates, after the puncture needle sucks blood samples from the test tube, the blood samples are left on the outer surface of the puncture needle, and before the next sample is collected, the residual blood samples need to be cleaned, so that the influence on the detection of the next blood sample is avoided.
At present, a puncture needle is placed in a cleaning device, cleaning liquid is sent into the cleaning device to clean the puncture needle through positive pressure applied to the outside, and then the cleaned solution is sucked out of the cleaning device through negative pressure to clean the puncture needle. However, the internal structural design of the existing cleaning device is unreasonable, so that a cleaning dead zone exists, an upper cavity and a lower cavity are arranged in the existing cleaning device main body, a liquid inlet pipe and a liquid outlet pipe are respectively connected with the upper cavity and the lower cavity, an upper cover and a lower cover are required to be matched for use, the assembly and the processing requirements are high, and the process is complex. Moreover, the pressure in the cleaning process of the existing cleaning device is not easy to control, so that the outer wall of the puncture needle is easy to deform, and the stability of an instrument is further affected.
Therefore, how to reduce the presence of the cleaning dead zone is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
Accordingly, an object of the present utility model is to provide a lancet cleaning device for reducing the presence of cleaning dead zones.
Another object of the present utility model is to provide a coagulation analyzer comprising the above-described lancet cleaning device.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a lancet cleaning device comprising:
the inner puncture ring is provided with a puncture needle cleaning pool for inserting a puncture needle, the inner puncture ring is provided with a liquid inlet for liquid inlet and a liquid outlet for liquid outlet, the liquid inlet and the liquid outlet are communicated with the puncture needle cleaning pool, and the liquid inlet and the liquid outlet are uniformly distributed along the circumferential direction of the inner puncture ring;
and the puncture inner ring is arranged on the fixing assembly.
Optionally, in the above puncture needle cleaning device, the fixing assembly includes:
the first fixing block is provided with a fixing hole, one end of the puncture inner ring is embedded into the fixing hole, the first fixing block is provided with a liquid inlet communication port and a liquid outlet communication port, the liquid inlet communication ports are communicated with the liquid inlet ports, and the liquid outlet communication ports are communicated with the liquid outlet ports;
the first fixed block is installed in the second fixed block, and the second fixed block is used for being fixed with the coagulation analyzer body.
Optionally, in the above puncture needle cleaning device, a liquid inlet ring groove is formed in an outer side wall of the puncture inner ring, the liquid inlet is formed in the liquid inlet ring groove, and the liquid inlet ring groove is communicated with the liquid inlet communication port; and/or the number of the groups of groups,
the outer side wall of the puncture inner ring is provided with a liquid outlet ring groove, the liquid outlet is arranged in the liquid outlet ring groove, and the liquid outlet ring groove is communicated with the liquid outlet communication port.
Optionally, each liquid inlet is of a structure with equal flow area;
each liquid outlet is of a structure with equal flow area.
Optionally, in the above-mentioned puncture needle cleaning device, a sum of flow areas of the respective liquid inlets is equal to a flow area of the liquid inlet communication port; and/or the number of the groups of groups,
the sum of the flow areas of the liquid outlets is equal to the flow area of the liquid outlet communication port.
Optionally, in the above puncture needle cleaning device, the flow area of the liquid inlet communication port is smaller than the flow area of the liquid outlet communication port.
Optionally, in the above puncture needle cleaning device, a liquid outlet connector for providing liquid suction negative pressure is communicated with the liquid outlet communication port, and a flow area of the liquid outlet connector is equal to a flow area of the liquid outlet communication port; and/or the number of the groups of groups,
the liquid inlet communication port is communicated with a liquid inlet joint for providing positive liquid inlet pressure, and the flow area of the liquid inlet joint is equal to that of the liquid inlet communication port.
Optionally, in the above puncture needle cleaning device, the liquid inlet communication port is parallel to the liquid outlet communication port, and is arranged along a vertical direction, and the liquid inlet communication port is arranged below the liquid outlet communication port.
Optionally, in the above puncture needle cleaning device, the first fixing block has a stepped shaft structure, and the first fixing block is formed with a stepped positioning surface;
the second fixed block is provided with a stepped hole, and the stepped hole is provided with a step matching surface;
the first fixing block penetrates through the stepped hole, and the step locating surface is in locating fit with the step matching surface.
Optionally, in the above puncture needle cleaning device, the puncture inner ring has a stepped shaft structure, a small diameter end of the puncture inner ring is embedded into the fixing hole, a large diameter end of the puncture inner ring is overlapped with the first fixing block, and the liquid inlet and the liquid outlet are both arranged on a side wall of the small diameter end of the puncture inner ring;
the liquid inlet communication port and the liquid outlet communication port are both arranged on the side wall of the fixing hole.
Optionally, in the above puncture needle cleaning device, the fixing hole is a through hole, and one end of the fixing hole is communicated with the puncture needle cleaning pool, and the other end is used for being communicated with the outside.
Optionally, in the above puncture needle cleaning device, one end of the puncture needle cleaning pool, which is far away from the fixing component, is a guiding structure.
A coagulation analyzer comprises the puncture needle cleaning device.
The puncture needle cleaning device provided by the utility model comprises a puncture inner ring and a fixing assembly. The puncture inner ring is provided with a puncture needle cleaning pool for the puncture needle to be inserted, and when the puncture needle is cleaned, the puncture needle extends into the puncture needle cleaning pool. The inner ring of puncture has offered the inlet that is used for the feed liquor and is used for the liquid outlet, and inlet and liquid outlet all communicate with pjncture needle clean pond, and the washing liquid gets into pjncture needle clean pond and is discharged by the liquid outlet by the inlet to carry away the residual blood sample on the pjncture needle outer wall in the cleaning process, avoid causing the influence to the reuse of pjncture needle. The liquid inlet and the liquid outlet are uniformly distributed along the circumferential direction of the puncture inner ring, so that the cleaning liquid can uniformly flow into the puncture needle cleaning pool and flow out of the liquid outlet, and the cleaning dead zone is avoided. The puncture inner ring is arranged on the fixing component, and the puncture inner ring and the coagulometer body can be installed and fixed through the fixing component.
Compared with the prior art, the puncture needle cleaning device provided by the utility model is simple in structure and convenient to use, the existence of a cleaning dead zone is avoided through the evenly arranged liquid inlets and liquid outlets, and the pressure in the cleaning process can be regulated and controlled through regulating the pressure of each liquid inlet and liquid outlet, so that the deformation of the puncture needle is avoided.
The coagulation analyzer provided by the utility model comprises the puncture needle cleaning device, so that the coagulation analyzer has the advantages, and is not repeated here.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an installation structure of a puncture needle cleaning device according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a lancet cleaning device disclosed in an embodiment of the present utility model;
FIG. 3 is an exploded view of a lancet cleaning device according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of a puncture inner ring according to an embodiment of the present utility model.
Wherein 100 is a puncture inner ring, 101 is a puncture needle cleaning pool, 110 is a liquid outlet ring groove, 111 is a liquid outlet, 120 is a liquid inlet ring groove, 121 is a liquid inlet, 200 is a liquid outlet connector, 210 is a liquid inlet connector, 300 is a fixing component, 301 is a fixing hole, 310 is a first fixing block, 311 is a liquid outlet communication port, 312 is a liquid inlet communication port, 320 is a second fixing block, 321 is a connecting hole, and 322 is a stepped hole.
Detailed Description
The utility model discloses a puncture needle cleaning device, which is used for reducing the existence of cleaning dead zones.
Another core of the present utility model is to disclose a coagulation analyzer comprising the above-mentioned lancet cleaning device.
Hereinafter, embodiments will be described with reference to the drawings. Furthermore, the embodiments shown below do not limit the summary of the utility model described in the claims. The whole contents of the constitution shown in the following examples are not limited to the solution of the utility model described in the claims.
Referring to fig. 1, the disclosed lancet cleaning device includes a lancet inner ring 100 and a securing assembly 300. The puncture inner ring 100 is provided with a puncture needle cleaning pool 101 into which a puncture needle is inserted, and the puncture needle is inserted into the puncture needle cleaning pool 101 when the puncture needle is cleaned.
The puncture inner ring 100 is provided with a liquid inlet 121 for liquid inlet and a liquid outlet 111 for liquid outlet, the liquid inlet 121 and the liquid outlet 111 are both communicated with the puncture needle cleaning pool 101, cleaning liquid enters the puncture needle cleaning pool 101 from the liquid inlet 121 and is discharged from the liquid outlet 111, and residual blood sample on the outer wall of the puncture needle is carried away in the cleaning process, so that the influence on reuse of the puncture needle is avoided. The liquid inlet 121 and the liquid outlet 111 are all a plurality of evenly arranged along the circumference of the puncture inner ring 100, so that the cleaning liquid can evenly flow into the puncture needle cleaning pool 101 and flow out of the liquid outlet 111, and the cleaning dead zone is avoided. The puncture inner ring 100 is arranged on the fixing component 300, and the puncture inner ring 100 and the coagulometer body can be installed and fixed through the fixing component 300.
Compared with the prior art, the puncture needle cleaning device disclosed by the embodiment of the utility model has the advantages that the structure is simple, the use is convenient, the existence of a cleaning dead zone is avoided through the evenly arranged liquid inlet 121 and liquid outlet 111, the pressure in the cleaning process can be regulated and controlled through regulating the pressure of each liquid inlet 121 and liquid outlet 111, and the deformation of the puncture needle is avoided.
It can be understood by those skilled in the art that the axis of the liquid inlet 121 and the axis of the puncture inner ring 100 may be relatively vertical or inclined, when the axis of the liquid inlet 121 is inclined with respect to the axis of the puncture inner ring 100, the pressure of injecting the cleaning liquid may be enhanced, and the cleaning speed may be improved, and meanwhile, since the liquid inlet 121 is uniformly arranged along the circumferential direction of the puncture inner ring 100, deformation caused by excessive force applied to the puncture needle in a single direction may be avoided, thereby ensuring the stability of the coagulation analyzer.
In a specific embodiment of the present disclosure, the fixing assembly 300 includes a first fixing block 310 and a second fixing block 320. The fixed orifices 301 are formed in the first fixed block 310, one end of the puncture inner ring 100 is embedded into the fixed orifices 301, the first fixed block 310 is provided with the liquid inlet communication ports 312 and the liquid outlet communication ports 311, the liquid inlet communication ports 312 are communicated with the liquid inlet ports 121, the liquid outlet communication ports 311 are communicated with the liquid outlet ports 111, and the pressure in the cleaning process can be regulated and controlled by regulating and controlling the pressure of the liquid inlet communication ports 312 and the liquid outlet communication ports 311. By ensuring that the feed liquid pressure of each feed liquid port 121 is uniform, the discharge liquid pressure of each discharge liquid port 111 is uniform, and the presence of cleaning dead zones can be reduced. The first fixing block 310 is mounted on the second fixing block 320, and the second fixing block 320 is used for fixing with the coagulation analyzer body.
Referring to fig. 2 and 4, the outer side wall of the puncture inner ring 100 is provided with a liquid inlet ring groove 120, a liquid inlet 121 is formed in the liquid inlet ring groove 120, the liquid inlet ring groove 120 is communicated with a liquid inlet communication port 312, and cleaning liquid enters the liquid inlet ring groove 120 from the liquid inlet communication port 312 and then evenly enters each liquid inlet 121 through the distribution of the liquid inlet ring groove 120.
Specifically, the inlet 121 may be formed in the bottom wall of the inlet groove 120.
The outer side wall of the puncture inner ring 100 is provided with a liquid outlet ring groove 110, a liquid outlet 111 is arranged in the liquid outlet ring groove 110, and the liquid outlet ring groove 110 is communicated with a liquid outlet communication port 311. The cleaning liquid in the puncture needle cleaning pool 101 flows out from each liquid outlet 111, and is collected in the liquid outlet ring groove 110, and then flows from the liquid outlet ring groove 110 to the liquid outlet communication port 311.
Specifically, the liquid outlet 111 may be formed in the liquid outlet ring groove 110.
It should be noted that, each liquid inlet 121 may be respectively connected to a liquid inlet pipe, each liquid outlet 111 may also be respectively connected to a liquid outlet pipe, and pressure control during cleaning may also be achieved by controlling each liquid inlet pipe and each liquid outlet pipe.
As shown in fig. 4, the liquid inlet ring grooves 120 and the liquid outlet ring grooves 110 are arranged in parallel, and the liquid inlets 121 are four of the liquid inlet ring grooves 120 and the liquid outlets 111 are four of the liquid outlet ring grooves 110.
It will be appreciated by those skilled in the art that the liquid inlet ring groove 120 and the liquid outlet ring groove 110 may be correspondingly disposed on the inner side wall of the fixing hole 301, so as to ensure pressure equalization at each of the liquid inlet 121 and the liquid outlet 111, and avoid influence on the puncture needle.
Further, the liquid inlet 121 and the liquid outlet 111 of the puncture needle cleaning device disclosed in the embodiment of the utility model can have a structure with equal flow areas, such as a cylindrical hole or a polygonal prism-shaped groove, and the liquid inlet 121 and the liquid outlet 111 with equal cross sections further facilitate the adjustment and control of the pressure in the cleaning process, and avoid the sudden change of the pressure caused by the change of the flow areas, which causes the puncture needle to bend.
It will be appreciated by those skilled in the art that the inlet 121 and the outlet 111 may have structures with unequal flow areas, such as tapered holes, where the cleaning pressure needs to be reasonably controlled, which is more complicated than the structures with equal flow areas.
In order to conveniently adjust the pressure of each liquid inlet 121, the sum of the flow areas of each liquid inlet 121 is equal to the flow area of the liquid inlet communication port 312, so that the difference of the flow speed and the pressure caused by the change of the aperture in the process of cleaning liquid entering the puncture needle cleaning pool 101 is avoided, and the deformation of the puncture needle caused by the overlarge pressure is avoided.
In order to facilitate the adjustment of the pressure of each liquid outlet 111, the sum of the flow areas of each liquid outlet 111 is equal to the flow area of the liquid outlet communication port 311, so that the difference of flow velocity and pressure caused by the change of the aperture in the process of flowing the cleaning liquid out of the puncture needle cleaning pool 101 is avoided. The water outlet pressure of the liquid outlet 111 can be adjusted by controlling the suction negative pressure of the liquid outlet communication port 311.
Those skilled in the art will appreciate that the through-flow cross-sections of the liquid inlet 121, the liquid outlet 111, the liquid inlet communication 312, and the liquid outlet communication 311 may be circular, rectangular, or the like.
By controlling the consistency of the pressure of the cleaning liquid in the process of entering and sucking out the cleaning pool 101 of the puncture needle, the flow velocity of the cleaning liquid in the process of entering and sucking out can not be different due to the change of the flow area, and the pressure is further different, so that the pressure of the cleaning liquid on the outer wall of the puncture needle in the cleaning process can be conveniently adjusted, the outer wall of the puncture needle is ensured to be completely cleaned, and the outer wall of the puncture needle is not influenced.
As shown in fig. 2 and 3, the liquid outlet connector 200 is disposed at the liquid outlet communication port 311 for communicating with a liquid suction pipe capable of providing negative pressure and sucking liquid, the flow area of the liquid outlet connector 200 is equal to the flow area of the liquid outlet communication port 311, and the liquid outlet connector 200 is capable of treating waste liquid. The liquid inlet communication port 312 is provided with a liquid inlet connector 210 in a communicating manner, the liquid inlet connector 210 is used for communicating a liquid inlet pipe which can provide positive pressure and feed travelling liquid, and the flow area of the liquid inlet connector 210 is equal to the flow area of the liquid inlet communication port 312. The cleaning fluid can be pumped into the lancet cleaning basin 101 through the fluid inlet connector 210.
The flow areas of the liquid inlet connector 210 and the liquid inlet communication port 312 are the same, so that the cleaning liquid can flow smoothly between the liquid inlet connector 210 and the liquid inlet communication port 312, and the water inlet pressure of the liquid inlet 121 can be conveniently adjusted by the water inlet pressure of the liquid inlet communication port 312.
The flow areas of the liquid outlet connector 200 and the liquid outlet communication port 311 are the same, so that the cleaning liquid can flow smoothly between the liquid outlet connector 200 and the liquid outlet communication port 311, and the liquid outlet pressure of the liquid outlet 111 can be conveniently adjusted by the liquid suction pressure of the liquid outlet communication port 311.
In order to ensure the cleaning effect on the puncture needle, the flow area of the liquid inlet communication port 312 is smaller than that of the liquid outlet communication port 311.
In order to further improve the cleaning effect, the liquid inlet communication port 312 is parallel to the liquid outlet communication port 311, and along the vertical direction, the liquid inlet communication port 312 is arranged below the liquid outlet communication port 311, so that the cleaning liquid enters from bottom to top, the contact time of the cleaning liquid and the puncture needle is prolonged, and the cleaning effect is ensured.
When the puncture needle descends, the puncture needle passes through the liquid outlet communication port 311, the liquid outlet communication port 311 is connected with the outside through the liquid outlet connector 200, negative pressure is provided by the outside, and residual liquid on the puncture needle can be sucked out; when the puncture needle passes through the liquid inlet communication port 312, the liquid inlet communication port 312 is connected with the outside through the liquid inlet connector 210, positive pressure is provided by the outside, cleaning liquid enters the puncture needle cleaning pool 101 from the liquid inlet communication port 312 and cleans the puncture needle, and the cleaning liquid which is cleaned by the puncture needle is sucked to the outside through negative pressure by the liquid outlet communication port 311 above. In the process of rising after the cleaning of the puncture needle, residual liquid on the outer wall of the puncture needle can be sucked out under the influence of negative pressure when passing through the liquid outlet communication port 311, so that the cleaning of the outer wall of the puncture needle is ensured, and the wall hanging phenomenon is eliminated.
As shown in fig. 2, the first fixing block 310 has a stepped shaft structure, the first fixing block 310 is formed with a stepped positioning surface, the second fixing block 320 is provided with a stepped hole 322, and the stepped hole 322 is formed with a stepped mating surface; the first fixing block passes through the stepped hole 322, and the positioning of the first fixing block and the second fixing block is realized through the fit between the step positioning surface and the step matching surface.
The first fixing block 310 and the second fixing block 320 can be fixed by placing the first fixing block 310 into the stepped hole 322 and bonding, so that the fixing device is convenient to install and maintain, simple in structure, low in assembly and processing requirements, simple in process and beneficial to system maintenance.
Referring to fig. 2, the puncture inner ring 100 has a stepped shaft structure, the small diameter end of the puncture inner ring 100 is embedded into the fixing hole 301, the large diameter end of the puncture inner ring 100 is overlapped with the first fixing block 310, and the liquid inlet 121 and the liquid outlet 111 are both disposed on the side wall of the small diameter end of the puncture inner ring 100 and are respectively communicated with the liquid inlet communication port 312 and the liquid outlet communication port 311 which are disposed on the side wall of the fixing hole 301.
Further, the lancet cleaning pool 101 may be designed as a stepped hole structure, as shown in fig. 2, the liquid inlet 121 is disposed on a side wall of the smaller inner diameter end of the lancet cleaning pool 101, the liquid outlet 111 is disposed on a side wall of the larger inner diameter end of the lancet cleaning pool 101, and the liquid outlet 111 is closer to the lancet during the lancet cleaning process, so as to facilitate sucking residual blood and cleaning liquid on the lancet.
The second fixed block 320 is provided with the connecting hole 321 that is used for connecting, and the connecting hole 321 can be waist type groove, can realize the fixed of pjncture needle belt cleaning device and coagulation analyzer body through connecting hole 321, simple structure, assembly maintenance is convenient.
As shown in fig. 2, the fixing hole 301 may be designed as a through hole, and one end thereof communicates with the lancet cleaning tank 101 and the other end thereof is used for communication with the outside. During the cleaning process, part of the cleaning liquid can flow out from the liquid outlet 111, and part of the cleaning liquid is directly discharged into the sewer pipe through the fixing hole 301.
The end of the puncture needle cleaning pool 101 far away from the fixing assembly 300 is a guiding structure, the guiding structure can be a chamfering structure, and the specific degree alpha of the guiding structure can be designed to be 120 degrees, 145 degrees and the like.
During the descent, if the puncture needle is not on the same axis as the central axis of the puncture inner ring 100, the guide structure can guide the insertion of the puncture needle, increasing the redundancy of the left and right positions of the puncture needle during the descent.
It should be noted that, each component disclosed in the embodiment of the present utility model may be fixed by adopting an adhesive manner.
The coagulation analyzer disclosed by the embodiment of the utility model comprises the puncture needle cleaning device, so that the coagulation analyzer has the advantages as well, and is not repeated here.
The terms first and second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to the listed steps or elements but may include steps or elements not expressly listed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (13)
1. A lancet cleaning device comprising:
the puncture inner ring (100) is provided with a puncture needle cleaning pool (101) for the insertion of a puncture needle, the puncture inner ring (100) is provided with a liquid inlet (121) for liquid inlet and a liquid outlet (111) for liquid outlet, the liquid inlet (121) and the liquid outlet (111) are communicated with the puncture needle cleaning pool (101), and the liquid inlet (121) and the liquid outlet (111) are uniformly distributed along the circumference of the puncture inner ring (100);
-a fixation assembly (300), said puncture inner ring (100) being arranged on said fixation assembly (300).
2. The needle cleaning device of claim 1, wherein the securing assembly (300) comprises:
the first fixing block (310), the first fixing block (310) is provided with a fixing hole (301), one end of the puncture inner ring (100) is embedded into the fixing hole (301), the first fixing block (310) is provided with a liquid inlet communication port (312) and a liquid outlet communication port (311), the liquid inlet communication port (312) is communicated with each liquid inlet (121), and the liquid outlet communication port (311) is communicated with each liquid outlet (111);
and the first fixed block (310) is arranged on the second fixed block (320), and the second fixed block (320) is used for being fixed with the coagulation analyzer body.
3. The puncture needle cleaning device according to claim 2, characterized in that a liquid inlet ring groove (120) is formed in the outer side wall of the puncture inner ring (100), the liquid inlet port (121) is formed in the liquid inlet ring groove (120), and the liquid inlet ring groove (120) is communicated with the liquid inlet communication port (312); and/or the number of the groups of groups,
the outer side wall of the puncture inner ring (100) is provided with a liquid outlet ring groove (110), the liquid outlet (111) is arranged in the liquid outlet ring groove (110), and the liquid outlet ring groove (110) is communicated with the liquid outlet communication port (311).
4. The lancet cleaning device according to claim 2, wherein each of said liquid inlets (121) is of an equal flow area configuration;
each liquid outlet (111) has a structure with equal flow area.
5. A needle cleaning apparatus according to claim 3, wherein the sum of the flow areas of each of said liquid inlet ports (121) is equal to the flow area of said liquid inlet communication port (312); and/or the number of the groups of groups,
the sum of the flow areas of the liquid outlets (111) is equal to the flow area of the liquid outlet communication port (311).
6. The lancet cleaning device according to claim 5, wherein a flow area of the liquid inlet communication port (312) is smaller than a flow area of the liquid outlet communication port (311).
7. The puncture needle cleaning device according to claim 4, characterized in that a liquid outlet joint (200) for providing liquid suction negative pressure is communicated with the liquid outlet communication port (311), and the flow area of the liquid outlet joint (200) is equal to the flow area of the liquid outlet communication port (311); and/or the number of the groups of groups,
the liquid inlet communication port (312) is communicated with the liquid inlet connector (210) for providing positive liquid inlet pressure, and the flow area of the liquid inlet connector (210) is equal to that of the liquid inlet communication port (312).
8. The puncture needle cleaning device according to claim 2, characterized in that the liquid inlet communication port (312) is arranged in parallel to the liquid outlet communication port (311), and the liquid inlet communication port (312) is arranged below the liquid outlet communication port (311) in the vertical direction.
9. The lancet cleaning device according to claim 2, wherein the first fixed block (310) has a stepped shaft structure, and the first fixed block (310) is formed with a stepped positioning surface;
the second fixing block (320) is provided with a stepped hole (322), and the stepped hole (322) is provided with a step matching surface;
the first fixing block passes through the stepped hole (322), and the step locating surface is matched with the step matching surface in a locating way.
10. The puncture needle cleaning device according to claim 2, characterized in that the puncture inner ring (100) has a stepped shaft structure, a small diameter end of the puncture inner ring (100) is embedded into the fixing hole (301), a large diameter end of the puncture inner ring (100) is overlapped with the first fixing block (310), and the liquid inlet (121) and the liquid outlet (111) are both arranged on the side wall of the small diameter end of the puncture inner ring (100);
the liquid inlet communication port (312) and the liquid outlet communication port (311) are both arranged on the side wall of the fixing hole (301).
11. The puncture needle cleaning device according to claim 2, characterized in that the fixing hole (301) is a through hole, and one end of the fixing hole (301) is communicated with the puncture needle cleaning pool (101), and the other end is used for being communicated with the outside.
12. The lancet cleaning device according to any one of claims 1 to 11, wherein an end of the lancet cleaning tank (101) remote from the fixing member (300) is a guide structure.
13. A coagulation analyzer comprising the puncture needle cleaning device according to any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320733251.5U CN219273931U (en) | 2023-04-04 | 2023-04-04 | Puncture needle cleaning device and coagulation analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320733251.5U CN219273931U (en) | 2023-04-04 | 2023-04-04 | Puncture needle cleaning device and coagulation analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219273931U true CN219273931U (en) | 2023-06-30 |
Family
ID=86907815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320733251.5U Active CN219273931U (en) | 2023-04-04 | 2023-04-04 | Puncture needle cleaning device and coagulation analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219273931U (en) |
-
2023
- 2023-04-04 CN CN202320733251.5U patent/CN219273931U/en active Active
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