CN219224802U

CN219224802U - Extracorporeal blood monitor

Info

Publication number: CN219224802U
Application number: CN202320729741.8U
Authority: CN
Inventors: 张铁铮; 赵石磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-06-20
Anticipated expiration: 2033-04-06

Abstract

The utility model discloses an extracorporeal blood monitor, which relates to the technical field of medical instruments and comprises an outer protective box, an arterial blood channel, a blood oxygen sensor, a control circuit board and an external mechanism, wherein the arterial blood channel, the blood oxygen sensor and the control circuit board are all arranged in the outer protective box, the external mechanism is arranged at the bottom end of the outer protective box, the arterial blood channel is provided with heparin, one end of the arterial blood channel is provided with a disposable sampling needle, the other end of the arterial blood channel is provided with a micro negative pressure pump, the arterial blood channel is provided with a detachable detection cavity, the blood oxygen sensor is arranged at the top end of the detachable detection cavity, and the blood oxygen sensor is electrically connected with the control circuit board. The utility model has simple structure, portable volume and convenient carrying, and can realize the blood detection of personnel outdoors.

Description

Extracorporeal blood monitor

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to an extracorporeal blood monitor.

Background

Medical devices refer to instruments, devices, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly for the human body, including computer software needed for the purpose of diagnosis, prevention, monitoring, treatment or alleviation of diseases, diagnosis, monitoring, treatment, alleviation or functional compensation of injuries; examination, substitution, regulation or support of physiological structures or processes, support or maintenance of life, pregnancy control; monitors are one of the commonly used medical devices that provide information for medical or diagnostic purposes by examining a sample from the human body.

The Chinese patent No. 205384227U discloses a novel intelligent blood detector, which is provided with an objective table, an operation cabinet, a control box and the like, has huge volume and larger limitation, is generally used in a detection department, and has a plurality of inconveniences when a detector needs to go out to perform rapid blood detection on a patient or take the detector out.

Therefore, how to provide an extracorporeal blood monitor which is convenient to carry and can be used for rapid detection is a technical problem that needs to be solved by the person skilled in the art.

Disclosure of Invention

The utility model aims to provide an extracorporeal blood monitor which is small in size, convenient to carry, convenient to fix the monitor through an external mechanism, capable of realizing rapid detection of blood of a patient, capable of being used for detecting blood oxygen in blood, capable of detecting the content of trace elements in human body at the same time, and convenient to monitor the health of users.

In order to achieve the above purpose, the utility model provides an extracorporeal blood monitor, which comprises an outer protection box, an arterial blood channel, a blood oxygen sensor, a control circuit board and an external connection mechanism, wherein the arterial blood channel, the blood oxygen sensor and the control circuit board are all arranged in the outer protection box, the external connection mechanism is arranged at the bottom end of the outer protection box, the arterial blood channel is provided with heparin, one end of the arterial blood channel is provided with a disposable sampling needle, the other end of the arterial blood channel is provided with a micro negative pressure pump, the arterial blood channel is provided with a detachable detection cavity, the blood oxygen sensor is arranged at the top end of the detachable detection cavity, and the blood oxygen sensor is electrically connected with the control circuit board.

Further, the ion detection device further comprises an ion detection probe, a detection membrane and an isolation piston, wherein the ion detection probe is arranged on one side of the detachable detection cavity, the detection membrane is sequentially distributed on the inner wall of the detection cavity, the isolation piston is arranged in the detachable detection cavity, and the ion detection probe is electrically connected with the control circuit board.

Further, the kit comprises an electric control three-way valve and a kit, wherein the electric control three-way valve is arranged on an arterial blood channel between the detachable detection cavity and the disposable sampling needle, the kit is arranged on a third port of the electric control three-way valve, and the electric control three-way valve is electrically connected with the control circuit board.

Further, the bottom of the kit is provided with an exhaust hole, and a movable sealing piston is arranged in the kit.

Further, the control circuit board is provided with a template acquisition and distribution module, a light path support module and an electrode support module, wherein the acquisition and distribution module is used for distributing acquisition parameters, the light path support module is used for calling detection parameters of illumination blood, and the electrode support module is used for calling detection parameters of electrodes on the blood.

Further, the device also comprises a timing module, wherein the timing module is arranged in the outer protection box and is electrically connected with the control circuit board.

Further, the portable electronic device further comprises a touch screen, wherein the touch screen is arranged on the surface of the outer protection box and is electrically connected with the control circuit board.

Further, the external connection mechanism is an adhesive wristband.

The beneficial effects of the utility model are as follows:

the utility model has simple structure, the arterial blood channel, the blood oxygen sensor and the control circuit board are integrated into the outer layer protection box, the volume is light, the carrying is convenient, the rapid detection of the blood of a patient is realized, the blood oxygen content in the blood can be detected through the blood oxygen sensor, the content of trace elements in the blood can be detected through the ion detection probe, the electronic control three-way valve and the kit are arranged, the orifice of the disposable sampling needle can be closed after the blood detection is finished, the blood is conveniently input into the kit and taken out, the blood is used for other types of detection, and meanwhile, the collected blood can be sucked into the detachable detection cavity through the kit, and the detection is carried out by the monitor.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a rear view of the present utility model;

FIG. 4 is a schematic view of the internal structure of the present utility model;

FIG. 5 is a schematic view showing the internal structure of the detachable detection chamber according to the present utility model;

FIG. 6 is a schematic diagram of the structure of the kit of the present utility model;

fig. 7 is a block diagram of the structure of the present utility model.

Wherein, 1. An outer layer protection box; 2. a power switch; 3. a touch screen; 4. a kit receiving cavity; 5. a timing module; 6. bonding a wrist strap; 7. arterial blood passage; 8. a blood oxygen sensor; 9. an ion detection probe; 10. a control circuit board; 11. an electric control three-way valve; 12. a micro negative pressure pump; 13. a disposable sampling needle; 14. a kit; 141. a sealing piston; 142. an exhaust hole; 15. a detachable detection chamber; 16. measuring the film; 17. isolating the piston.

Detailed Description

In order to achieve the above objects and effects, the present utility model adopts the technical means and structure, and the features and functions of the preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "one side", "inner", "outer", "side", etc., are directions or positional relationships based on those shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

As shown in fig. 1-5, the embodiment discloses an extracorporeal blood monitor, which comprises an outer layer protection box 1, an arterial blood channel 7, a blood oxygen sensor 8, an ion detection probe 9, a control circuit board 10, an electric control three-way valve 11 and an external connection mechanism, wherein the surface of the outer layer protection box 1 is provided with a power switch 2, a touch screen 3 and a timing module 5, the power switch 2, the touch screen 3 and the timing module 5 are electrically connected with the control circuit board 10, one end of the outer layer protection box 1 is provided with a disposable sampling needle 13, the back of the outer layer protection box 1 is provided with a reagent box accommodating cavity 4, the bottom of the outer layer protection box 1 is provided with the external connection mechanism, and the external connection mechanism in the embodiment is an adhesive wrist strap 6 for fixing the monitor.

The arterial blood channel 7, the blood oxygen sensor 8, the electric control three-way valve 11 and the control circuit board 10 are all arranged in the outer layer protection box 1, heparin is arranged in the arterial blood channel 7, one end of the arterial blood channel 7 is provided with the electric control three-way valve 11, the tail end of the arterial blood channel 7 is provided with the micro negative pressure pump 12, one end of the electric control three-way valve 11 penetrates through the outer wall of the outer layer protection box 1 to be provided with the disposable sampling needle 13, the other end of the electric control three-way valve 11 is provided with the reagent box 14, and the reagent box 14 is arranged in the reagent box storage cavity 4. The arterial blood channel 7 between the electric control three-way valve 11 and the micro negative pressure pump 12 is provided with a detachable detection cavity 15, the blood oxygen sensor 8 is arranged at the top end of the detachable detection cavity 15, the blood oxygen sensor in the embodiment is an ELM-4000 photoelectric blood oxygen sensor, the ion detection probe 9 is arranged at one side of the detachable detection cavity 15, the inner wall of the detachable detection cavity 15 is sequentially provided with a measuring membrane 16, an isolating piston 17 is arranged in the detachable detection cavity and used for isolating blood from the measuring membrane 16 at the rear side, according to the clinical arterial blood gas measuring operation principle, the micro negative pressure pump 12 releases pressure to enable arterial blood to flow back to the foremost measuring membrane (about 10 min), real-time data is displayed through a touch screen, the measuring membrane to be detected is ablated completely, the pressure is increased to lead the blood out of the sensor, the data can be temporarily stopped for observation, the operation can be repeated when the continuous observation is needed, and each detachable detection cavity is provided with 15 measuring membranes 16, and the data can be continuously observed for 150min. The ion detection probe 9 comprises a blood PH reference electrode and a blood ion selective electrode, and the blood oxygen sensor 8, the ion detection probe 9 and the electric control three-way valve 11 are all electrically connected with the control circuit board 10.

As shown in fig. 6, the bottom end of the reagent kit 14 is provided with an exhaust hole 142, the reagent kit 14 is provided with a movable sealing piston 141, and the arrangement of the sealing piston 141 ensures that the blood sample in the arterial blood channel is pushed into the reagent kit 14 or the blood is extracted from the reagent kit 14 without being difficult to push or extract due to the negative pressure of the reagent kit 14.

As shown in fig. 7, the control circuit board 10 in this embodiment is provided with a template collection and distribution module, an optical path distribution module and an electrode support module, wherein the collection and distribution module is used for distributing collection parameters, the optical path support module is used for calling detection parameters of illumination blood, the electrode support module is used for calling detection parameters of electrodes on blood, and the optical path support module comprises an Hb detection sub-module and a SaO ₂ Detection submodule and PaCO ₂ One or more of detection submodules, and electrode support modules including PH value detection submodule and HCO ₃ ^- Detection submodule, ABE detection submodule and K ⁺ Detection submodule, na ⁺ Detection submodule and Cl ^- One or more detection sub-modules are used for comparing corresponding measured values of blood oxygen, hemoglobin and the like in blood with set parameters so as to judge the health condition of a human body.

The detection mode of the utility model is as follows: firstly, inserting a disposable sampling needle 13 into an artery of a patient, extracting arterial blood of the patient through a micro negative pressure pump 12, controlling an electric control three-way valve 11 by a control circuit board 10 to close a channel of a reagent kit 14, allowing blood to flow into a detachable detection cavity 15, detecting blood oxygen and micro ions in the blood through a blood oxygen sensor 8 and an ion detection probe 9, adjusting relevant parameter comparison through the control circuit board 10, judging the physical health condition of the patient, if other indexes of the blood are required to be detected, closing the channel of the disposable sampling needle 13, injecting the blood into the reagent kit 14 through the micro negative pressure pump 12, and taking out the reagent kit 14 for other detection; similarly, the collected blood can be filled into the detector through the kit 14 and then pumped into the detachable detection cavity 15 through the micro negative pressure pump 12 for detection.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the technical scope of the present utility model, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.

Claims

1. The utility model provides an extracorporeal blood monitor, its characterized in that includes outer protection box, arterial blood passageway, blood oxygen sensor, control circuit board and external mechanism, arterial blood passageway, blood oxygen sensor and control circuit board all set up in outer protection box, external mechanism sets up the bottom at the outside protection box, arterial blood passageway is provided with heparin, arterial blood passageway's one end is provided with disposable sample needle, arterial blood passageway's the other end is provided with the micropump, be provided with on the arterial blood passageway and dismantle the detection chamber, blood oxygen sensor sets up the top in dismantling the detection chamber, blood oxygen sensor is connected with the control circuit board electricity.

2. An extracorporeal blood monitor as recited in claim 1, further comprising an ion detection probe disposed on one side of the detachable detection chamber, a measurement membrane sequentially disposed on an inner wall of the detection chamber, and an isolation piston disposed in the detachable detection chamber, the ion detection probe being electrically connected to the control circuit board.

3. An extracorporeal blood monitor as recited in claim 1, further comprising an electronically controlled three-way valve disposed on the arterial blood path between the detachable test chamber and the disposable sampling needle, and a kit mounted on a third port of the electronically controlled three-way valve, the electronically controlled three-way valve being electrically connected to the control circuit board.

4. An extracorporeal blood monitor according to claim 3 wherein the bottom end of the kit is provided with an exhaust port and the kit is provided with a removable sealing piston.

5. An extracorporeal blood monitor according to claim 3, further comprising a kit receiving cavity disposed on the back of the outer protective case, the kit being disposed in the kit receiving cavity.

6. An extracorporeal blood monitor as claimed in claim 2, wherein the control circuit board is provided with a template acquisition and distribution module for distribution of acquisition parameters, an optical path support module for recall of detection parameters of illuminated blood, and an electrode support module for recall of detection parameters of blood by the electrodes.

7. The extracorporeal blood monitor of claim 1, further comprising a timing module disposed in the outer protective casing, the timing module being electrically connected to the control circuit board.

8. The extracorporeal blood monitor of claim 1, further comprising a touch screen disposed on a surface of the outer protective case, the touch screen being electrically connected to the control circuit board.

9. An extracorporeal blood monitor as recited in claim 1, wherein the circumscribing mechanism is an adhesive wristband.