CN217083802U

CN217083802U - TH-Hct integrated electrode and blood gas electrolyte analyzer

Info

Publication number: CN217083802U
Application number: CN202123167937.2U
Authority: CN
Inventors: 杨聪; 祝禹; 张海平; 房广志
Original assignee: Shenzhen Cornley Bio Medical Co ltd
Current assignee: Shenzhen Cornley Bio Medical Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-07-29
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a TH-Hct integrated electrode and blood gas electrolyte analysis appearance, this TH-Hct integrated electrode include casing, temperature sensor and Hct electrode core, wherein, temperature sensor and Hct electrode core integration set up in the casing. The utility model discloses an electrode core structure miniaturization technique to temperature sensor and HCT electrode core integration realize single TH electrode and Hct electrode integration in a casing, become a TH-Hct integrated electrode. The utility model overcomes the respective shortcomings of a single electrode and a test card, the reagent amount and the sample amount of the blood gas electrolyte analyzer can be reduced, and the service life of the electrode can be ensured.

Description

TH-Hct integrated electrode and blood gas electrolyte analyzer

Technical Field

The utility model relates to a blood gas electrolyte analyzer technical field, in particular to TH-Hct integrated electrode and blood gas electrolyte analyzer.

Background

In the field of blood gas electrolyte analysis, there are currently two development directions for electrodes (sensor devices): one electrode provides a specific project parameter; one is an integrated multi-parameter test card.

The block electrode has the advantages of long service life, more than 1 year, even years, more test times, obvious determination of the block electrode, large volume of the electrode, long flow path, large amount of required reagents and samples, and 195 mu L of full parameter test taking ABL800 as an example; the test card has the advantages of more test parameters, small volume, short flow path and the like, but the service life of the test card is short, generally about one month, and the test times are few.

As shown in fig. 1, fig. 1 is a TH electrode used in a blood gas electrolyte analyzer in the prior art, which can measure the temperature of fluid in a flow path, a temperature sensor is arranged in an electrode shell, 3 contacts 1 are led out from the upper part of the electrode shell, and the width of the electrode is about 8.4 mm; fig. 2 shows Hct electrodes for measuring the concentration of red blood cells in a fluid, which have an electrode core 2 (about 29.4mm as wide as the electrodes) in the electrode housing, 2 contacts 3 extending from the upper part, the width of the electrodes being about 29.5mm, and the total width of the two electrodes being about 37.9 mm.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a TH-Hct integrated electrode and blood gas electrolyte analysis appearance, aims at overcoming single electrode and test card's shortcoming separately, reduces blood gas electrolyte analysis appearance's reagent volume and sample size to guarantee the life of electrode.

In order to realize the above purpose, the utility model provides a TH-Hct integrated electrode, including casing, temperature sensor and Hct electrode core, wherein, temperature sensor and Hct electrode core integrated set up in the casing.

The utility model discloses a further technical scheme is, the top of casing is provided with five contacts, temperature sensor is connected to three contact through three power cords, the electrode core is connected to two contacts through two power cords.

The utility model discloses a further technical scheme is, the electrode core includes electrode core A, electrode core B, electrode core C, first electrode core terminal and second electrode core terminal, wherein, first electrode core terminal set up in between electrode core A and the electrode core B, second electrode core terminal set up in electrode core B with between the electrode core C.

The utility model discloses a further technical scheme is, electrode core A, electrode core B, electrode core C, first electrode core terminal and second electrode core terminal's total length is 16 mm.

The utility model discloses a further technical scheme is, first electrode core terminal includes first copper sheathing and first steel pipe, second electrode core terminal includes second copper sheathing and second steel pipe, first steel pipe is worn to locate in the first copper sheathing, the second steel pipe is worn to locate in the second copper sheathing, distance between first steel pipe and the second steel pipe is less than 0.01mm, the both ends of first steel pipe are arrived the distance tolerance of the both sides face of first copper sheathing the both ends of second steel pipe are arrived the distance tolerance of the both sides face of second copper sheathing all is less than 0.005 mm.

The utility model discloses a further technical scheme is, the one end of two power cords of electrode core sets up cold pressing piece, will through the screw cold pressing piece is fixed on first motor core terminal and the second electrode core terminal.

The utility model discloses a further technical scheme is, TH-Hct integrated electrode still includes first sealing washer and second sealing washer, first sealing washer set up in the casing outside, the second sealing washer set up in being close to of electrode core A one side of temperature sensor.

The utility model discloses a further technical scheme is, TH-Hct integrated electrode still includes the third steel pipe, the one end and the external electrode of third steel pipe are connected, and the other end is connected electrode core A.

In order to achieve the above object, the present invention further provides a blood gas electrolyte analyzer, which comprises the TH-Hct integrated electrode as described above.

The utility model discloses TH-Hct integrated electrode and blood gas electrolyte analyzer's beneficial effect is: the utility model discloses an electrode core structure miniaturization technique to temperature sensor and HCT electrode core integration realize single TH electrode and Hct electrode integration in a casing, become a TH-Hct integrated electrode. The utility model overcomes the respective shortcomings of a single electrode and a test card, the reagent amount and the sample amount of the blood gas electrolyte analyzer can be reduced, and the service life of the electrode can be ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic diagram of the structure of a TH electrode of a prior art blood gas electrolyte analyzer;

FIG. 2 is a schematic diagram of the structure of the Hct electrode of a prior art blood gas electrolyte analyzer;

FIG. 3 is a schematic diagram of the overall structure of the preferred embodiment of the TH-Hct integrated electrode of the present invention;

FIG. 4 is a cross-sectional view of a preferred embodiment of the TH-Hct integrated electrode of the present invention;

FIG. 5 is a schematic diagram of the structure of the Hct electrode in the preferred embodiment of the TH-Hct integrated electrode of the present invention;

fig. 6 is a schematic structural diagram of a first electrode core terminal in a preferred embodiment of the TH-Hct integrated electrode of the present invention.

The reference numbers illustrate:

a housing 1; a temperature sensor 2; a Hct electrode core 3; a contact 4; electrode core a 5; electrode core B6; electrode core C7; a first electrode core terminal 8; a second electrode core terminal 9; a first copper bush 10; a first steel pipe 11; a second steel pipe 12; a screw 13; a first seal ring 14; a second seal ring 15; a third steel tube 16.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 3 to 6, the present invention provides a TH-Hct integrated electrode, wherein the TH-Hct integrated electrode comprises a housing 1, a temperature sensor 2 and a Hct electrode core 3, wherein the temperature sensor 2 and the Hct electrode core 3 are integrally disposed in the housing 1.

The top of the shell 1 is provided with five contacts 4, the temperature sensor 2 is connected to the three contacts 4 through three power lines, and the electrode core is connected to the two contacts 4 through two power lines.

Further, in this embodiment, the electrode core includes electrode core a5, electrode core B6, electrode core C7, first electrode core terminal 8 and second electrode core terminal 9, wherein, first electrode core terminal 8 set up in between electrode core a5 and electrode core B6, second electrode core terminal 9 set up in electrode core B6 with between electrode core C7.

In this embodiment, the total length of the electrode core a5, the electrode core B6, the electrode core C7, the first electrode core terminal 8 and the second electrode core terminal 9 is 16 mm.

Further, in this embodiment, the first electrode new terminal and the second electrode core terminal 9 have the same structure. The first electrode core terminal 8 comprises a first copper sleeve 10 and a first steel pipe 11, the second electrode core terminal 9 comprises a second copper sleeve and a second steel pipe 12, the first steel pipe 11 is arranged in the first copper sleeve 10 in a penetrating mode, the second steel pipe 12 is arranged in the second copper sleeve in a penetrating mode, the distance between the first steel pipe 11 and the second steel pipe 12 is smaller than 0.01mm, the distance tolerance from the two ends of the first steel pipe 11 to the two side faces of the first copper sleeve 10 and the distance tolerance from the two ends of the second steel pipe 12 to the two side faces of the second copper sleeve are both smaller than 0.005 mm.

In this embodiment, cold pressing pieces are arranged at one ends of two power lines of the Hct electrode core 3, and the cold pressing pieces are fixed on the first motor core terminal and the second electrode core terminal 9 through screws 13.

In this embodiment, the TH-Hct integrated electrode further includes a first sealing ring 14 and a second sealing ring 15, the first sealing ring 14 is disposed on the outer side of the casing 1, and the second sealing ring 15 is disposed on one side of the electrode core a5 close to the temperature sensor 2.

In this embodiment, the TH-Hct integrated electrode further comprises a third steel pipe 16, wherein one end of the third steel pipe 16 is connected with an external electrode, and the other end of the third steel pipe is connected with the electrode core a 5.

The structure and the working principle of the TH-Hct integrated electrode of the invention are further elaborated in detail below.

The utility model discloses aim at overcoming the respective shortcoming of cubic electrode and test card among the prior art, integrate single cubic TH electrode and Hct electrode in an organic whole.

The utility model discloses an electrode core structure is miniaturized, and handle temperature sensor 2 and electrode core integration propose a TH-Hct integrated electrode in a casing 1, TH-Hct integrated electrode's overall structure is shown as figure 3, and TH-Hct electrode width after the integration is about 26mm, for the 69% of former two single electrode total width. Each part of the TH-Hct electrode is shown in figure 4, and mainly comprises a shell 1, a temperature sensor 2, a contact 4, a Hct electrode core 3, a first sealing ring 14, a second sealing ring 15, a first steel pipe 11, a second steel pipe 12, a screw 13 and the like. The temperature sensor 2 is connected with the contact 4 through 3 power lines, and a closed cavity where the temperature sensor is located is filled with heat conducting paste. The Hct electrode core 3 is connected with the contact 4 through 2 power lines, and the cold pressing piece at one end of the power line is fixed on the electrode core terminal through the screw 13. The third steel pipe 16 is a part of the electrode flow path, the left end is connected with other electrodes, the right end is connected with the electrode core A5, and the first sealing ring 14 and the second sealing ring 15 play a role of sealing to prevent liquid in the flow path from leaking.

Hct electrode core 3 structure is shown in fig. 5, Hct electrode core 3 comprises electrode core A5, electrode core B6, electrode core C7, first electrode core terminal 8, second electrode core terminal 9, through reducing electrode core A5 electrode core B6 the length of each section of electrode core C7 will Hct electrode core 3 total length is shortened to 16mm by 29.5 mm. The distance L between the end parts of the first steel pipe 11 and the second light pipe of the first electrode core terminal 8 and the second electrode core terminal 9 is a hardware guarantee for guaranteeing the accuracy of the project parameters of the Hct electrode core 3, the precision requirement is very high, and the precision requirement is guaranteed to be within 0.01mm, so that the processing technology and the assembly of the Hct electrode core 3 become the key for manufacturing the Hct electrode core 3. The first electrode core terminal 8 and the second electrode core terminal 9 are structured as shown in fig. 6, and in order to ensure the distance L and the interchangeability of the first electrode core terminal 8 and the second electrode core terminal 9, the distance tolerance between the two ends of the second steel pipe 12 and the two side surfaces of the second copper sleeve should be controlled within 0.005 mm. First steel pipe 11 passes the hole of first copper sheathing 10 is just fixed on the first copper sheathing 10, second steel pipe 12 passes the hole of second copper sheathing is just fixed on the second copper sheathing, first copper sheathing 10 and second copper sheathing play supporting role, the utility model discloses in first copper sheathing 10 with between the first steel pipe 11, and the second copper sheathing with adopt welded method to connect between the second steel pipe 12, the welding can arouse the part to warp in this embodiment, consequently before the welding first copper sheathing 10 both sides face, second copper sheathing both sides face and excircle all leave certain machining allowance. And after welding, the end surfaces of the first steel pipe 11 and the second steel pipe 12, the two side surfaces of the first copper bush 10 and the two side surfaces of the second copper bush are processed again so as to ensure the tolerance requirement.

The utility model discloses TH-Hct integrated electrode's beneficial effect is: the utility model discloses an electrode core structure miniaturization technique to temperature sensor and HCT electrode core integration realize single TH electrode and Hct electrode integration in a casing, become a TH-Hct integrated electrode. The utility model overcomes the respective shortcomings of a single electrode and a test card, the reagent amount and the sample amount of the blood gas electrolyte analyzer can be reduced, and the service life of the electrode can be ensured.

In order to achieve the above object, the present invention further provides a blood gas electrolyte analyzer, which comprises the above embodiments of TH-Hct integrated electrode, the structure and working principle of the TH-Hct integrated electrode have been elaborated above, and are not repeated herein.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. The TH-Hct integrated electrode is characterized by comprising a shell, a temperature sensor and a Hct electrode core, wherein the temperature sensor and the Hct electrode core are integrally arranged in the shell;

the top of the shell is provided with five contacts, the temperature sensor is connected to the three contacts through three power lines, and the electrode core is connected to the two contacts through two power lines.

2. The TH-Hct integrated electrode of claim 1, wherein the electrode core comprises an electrode core A, an electrode core B, an electrode core C, a first electrode core terminal and a second electrode core terminal, wherein the first electrode core terminal is disposed between the electrode core A and the electrode core B, and the second electrode core terminal is disposed between the electrode core B and the electrode core C.

3. The TH-Hct integrated electrode of claim 2, wherein the total length of electrode core a, electrode core B, electrode core C, first electrode core terminal, and second electrode core terminal is 16 mm.

4. The TH-Hct integrated electrode of claim 3, wherein the first electrode core terminal comprises a first copper sleeve and a first steel pipe, the second electrode core terminal comprises a second copper sleeve and a second steel pipe, the first steel pipe is arranged in the first copper sleeve in a penetrating manner, the second steel pipe is arranged in the second copper sleeve in a penetrating manner, the distance between the first steel pipe and the second steel pipe is less than 0.01mm, and the distance tolerance from the two ends of the first steel pipe to the two side faces of the first copper sleeve and the distance tolerance from the two ends of the second steel pipe to the two side faces of the second copper sleeve are both less than 0.005 mm.

5. A TH-Hct integrated electrode according to claim 2, wherein said electrode core has cold-pressed pieces provided at one end of two power lines, said cold-pressed pieces being fixed to said first and second electrode core terminals by screws.

6. The TH-Hct integrated electrode of claim 2, further comprising a first sealing ring and a second sealing ring, wherein the first sealing ring is disposed outside the casing, and the second sealing ring is disposed on a side of the electrode core A close to the temperature sensor.

7. The TH-Hct integrated electrode of claim 4, further comprising a third steel pipe, wherein one end of the third steel pipe is connected with an external electrode, and the other end of the third steel pipe is connected with the electrode core A.

8. A blood gas electrolyte analyzer, comprising a TH-Hct integrated electrode according to any one of claims 1 to 7.