Intelligent arterial blood gas puncture needle

Abstract

The utility model provides an intelligent arterial blood gas puncture needle, which relates to the technical field of medical instruments, and comprises a fixing seat, a puncture needle, a needle head, a needle head and a needle head, and is characterized in that the puncture needle is inserted into a through hole of the fixing seat; the other end of the transmission shaft is connected with a driving unit; the driving unit drives the transmission shaft to rotate; the transmission shaft is connected with a connecting piece A through threads, and the connecting piece A slides along the central axis of the transmission shaft; the connecting piece A drives the negative pressure tube and the puncture needle to slide, compared with a traditional arterial blood gas puncture needle, blood vessels are mostly judged through clinical experience of medical staff in clinical puncture, blood vessel judgment and puncture in clinic for senile patients, advanced tumor patients and patients with poor nutritional conditions have certain difficulty, repeated puncture is often needed, and the puncture time is shortened. The conditions that a puncture needle falls off or the puncture needle punctures a patient or medical staff and the like are easily caused, and the risk of clinical infection is increased, so that an arterial blood gas needle capable of accurately identifying blood vessels and completing puncture is needed to improve the safety of clinical operation.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to an intelligent arterial blood gas puncture needle. Background Art

[0002] Arterial blood gas analysis is a routine clinical nursing technique that can directly affect the patient's diagnosis and treatment results and medical experience; the arterial puncture needle is used to puncture and collect arterial blood samples. Arterial blood gas analysis of critically ill patients can not only obtain samples in a timely manner, saving time for rescue, but also avoid complications caused by local damage caused by repeated punctures, reduce patient pain, and facilitate rescue, treatment and dynamic observation of the disease.

[0003] However, as far as the current traditional arterial blood gas puncture needle is concerned, during clinical puncture, the medical staff mostly rely on their clinical experience to judge the patient's blood vessels and then perform manual puncture. For elderly patients, patients with advanced tumors, patients with poor nutritional status, etc., it is more difficult to judge and puncture the blood vessels. It is easy to need repeated punctures, the puncture needle may fall off, or the puncture needle may injure the patient or medical staff. The safety needs to be improved. Utility Model Content

[0004] The utility model provides an intelligent arterial blood gas puncture needle, specifically comprising:

[0005] A puncture needle with a negative pressure tube; a fixing seat with a through hole formed inside, and the puncture needle is inserted into the through hole of the fixing seat; the fixing seat is rotatably connected to one end of a transmission shaft, and the other end of the transmission shaft is connected to a drive unit; the drive unit drives the transmission shaft to rotate; the middle section of the transmission shaft is connected to the connecting member A through a thread, and when the transmission shaft rotates, the connecting member A slides along the central axis of the transmission shaft; the connecting member A is connected to the negative pressure tube, driving the negative pressure tube and the puncture needle to slide.

[0006] Preferably, it further comprises a shell; the shell is sleeved on the outside of the transmission shaft and the negative pressure tube; a connecting groove is opened on the outside of the shell; the connecting groove is an annular joint socket.

[0007] Preferably, it further comprises a probe; a connector B is fixedly connected to a side of the probe away from the transmitting end; the connector B is a shaft with a joint head; the joint head of the connector B is inserted into the interior of the connecting groove.

[0008] Preferably, the end of the connector A away from the transmission shaft is fixedly connected to a pressure sensor, and the connector A is fixedly connected to the sliding seat through the pressure sensor; a fixing hole is opened inside the sliding seat, and the negative pressure tube is inserted into the fixing hole and is interference-connected with the sliding seat.

[0009] Preferably, a display screen and control buttons are provided on the surface of the shell, and an integrated circuit board is provided inside the shell.

[0010] Preferably, the driving unit is a micro motor, and the main shaft of the driving unit is connected to the transmission shaft.

[0011] Preferably, an outlet for the puncture needle is provided at one end of the shell close to the puncture needle; a sealing plug is inserted into the outlet, and the sealing plug is made of a flexible material.

[0012] Preferably, a liquid level monitoring component is installed inside the shell, and the liquid level monitoring component is aligned with the negative pressure tube.

[0013] Preferably, a terminal is further included; the integrated circuit and the probe in the housing exchange data with the terminal.

[0014] Beneficial effects

[0015] In the present invention, an overall integrated design is adopted, which can achieve simplified and precise operation, effectively prevent the puncture needle from accidentally falling off, prevent puncture needle injuries, realize precise blood collection by the puncture needle, improve the safety of arterial blood collection, reduce the pain of patients with repeated punctures, and realize the data storage function of real-time monitoring of arterial blood collection. It is suitable for various medical institutions and clinical scenarios, and promotes the development of intelligent medical equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below.

[0017] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0018] In the attached figure:

[0019] Figure 1 A schematic diagram of the three-dimensional structure of an arterial blood gas puncture needle according to an embodiment of the present utility model is shown.

[0020] Figure 2 A schematic three-dimensional cross-sectional view of an arterial blood gas puncture needle according to an embodiment of the present utility model is shown.

[0021] Figure 3 The arterial blood gas puncture needle according to the embodiment of the present invention is shown. Figure 2 A local enlarged schematic diagram of point A is shown.

[0022] Figure 4 The figure shows an assembly diagram of a probe of an arterial blood gas puncture needle according to an embodiment of the present utility model.

[0023] Figure 5 A schematic diagram of the connection between an arterial blood gas puncture needle and a terminal according to an embodiment of the present utility model is shown.

[0024] List of main reference numerals

[0025] 101. Puncture needle; 102. Negative pressure tube;

[0026] 201, drive unit; 202, transmission shaft; 203, fixed seat; 204, connector A; 205, pressure sensor; 206, sliding seat;

[0027] 301, housing; 302, connecting groove; 303, sealing plug;

[0028] 401. Probe; 402. Connector B;

[0029] 5. Liquid level monitoring component;

[0030] 6. Terminal. DETAILED DESCRIPTION

[0031] In order to make the purpose, solution and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of the specific embodiments of the present invention.

[0032] Example: Please refer to Figures 1 to 5 :

[0033] The utility model proposes an intelligent arterial blood gas puncture needle, comprising:

[0034] A puncture needle 101 with a negative pressure tube 102; a fixed seat 203, with a through hole inside, and the puncture needle 101 is inserted into the through hole of the fixed seat 203; the fixed seat 203 is rotatably connected to one end of the transmission shaft 202, and the other end of the transmission shaft 202 is connected to the driving unit 201; the driving unit 201 drives the transmission shaft 202 to rotate; a conical guide groove is provided at one end of the fixed seat 203, for guiding the puncture needle 101 to accurately pass through the through hole inside the fixed seat 203; the middle section of the transmission shaft 202 is connected to the connecting piece A204 through a thread, and when the transmission shaft 202 rotates, the connecting piece A204 slides along the central axis of the transmission shaft 202; the connecting piece A204 is connected to the negative pressure tube 102, driving the negative pressure tube 102 and the puncture needle 101 to slide; a temperature sensor can be set at the needle tip of the puncture needle 101 to monitor the temperature at the puncture point.

[0035] Among them, such as Figure 2 and Figure 3 As shown, it also includes a shell 301; the shell 301 is mounted on the outside of the transmission shaft 202 and the negative pressure tube 102; a connecting groove 302 is provided on the outside of the shell 301; the connecting groove 302 is a ring-shaped joint socket; the probe 401 is installed through the connecting groove 302, and an observation window is also provided on the surface of the shell 301 for observing the collection situation in the negative pressure tube 102.

[0036] Among them, such as Figure 2 and Figure 4 As shown, it also includes a probe 401; the side of the probe 401 away from the transmitting end is fixedly connected to a connector B402; the connector B402 is an axis with a joint head; the joint head of the connector B402 is inserted into the interior of the connecting groove 302; the probe 401 slides along the connecting groove 302 and can adjust its direction through the joint head to meet different horizontal and vertical puncture requirements.

[0037] Among them, such as Figure 2 As shown, the end of the connector A204 away from the transmission shaft 202 is fixedly connected to the pressure sensor 205, and the connector A204 is fixedly connected to the sliding seat 206 through the pressure sensor 205; a fixing hole is provided inside the sliding seat 206, and the negative pressure tube 102 is inserted into the fixing hole and is interference-connected with the sliding seat 206; the puncture needle 101 automatically and slowly punctures according to the pressure range pre-designed by the pressure sensor 205. When the puncture needle 101 reaches the pressure range, it indicates that it is about to puncture the artery, and the needle insertion speed will be automatically slowed down.

[0038] Among them, such as Figure 1 As shown, a display screen and control buttons are provided on the surface of the housing 301, and an integrated circuit board is provided inside the housing 301; the display screen, control buttons, integrated circuit board, sensor and driving unit 201 are electrically connected, and the puncture process of the puncture needle 101 is monitored through the perception of the sensor and the information pre-stored in the integrated circuit.

[0039] Among them, such as Figure 2 and Figure 3 As shown, the driving unit 201 is a micro motor, and the main shaft of the driving unit 201 is connected to the transmission shaft 202; the main shaft of the driving unit 201 and the transmission shaft 202 are connected by a coupling, and then the transmission shaft 202 is driven to rotate by the driving unit 201.

[0040] Among them, such as Figure 2 and Figure 4 As shown, the end of the housing 301 near the puncture needle 101 is provided with an outlet for the puncture needle 101; a sealing plug 303 made of a flexible material is inserted into the outlet; the interior of the device is sealed by the sealing plug 303, which is made of butyl rubber and has excellent sealing properties. It can maintain the sterility of the needle during the blood collection process, prevent the needle from direct contact with the external environment, and ensure the cleanliness of the needle. It also ensures that the blood sample will not leak during the collection and storage process, ensuring the cleanliness and sterility of the blood collection environment and the integrity of the blood sample.

[0041] Among them, such as Figure 4As shown, a liquid level monitoring component 5 is installed inside the housing 301, and the liquid level monitoring component 5 is aligned with the negative pressure tube 102; the liquid level of the blood in the negative pressure tube 102 is monitored by the liquid level monitoring component 5. The liquid level monitoring component 5 can use a pressure sensor, an optical sensor, etc. After the blood collection reaches the required amount, it prompts and prepares to withdraw the puncture needle 101.

[0042] Among them, such as Figure 5 As shown, it also includes a terminal 6; the integrated circuit and the probe 401 in the shell 301 exchange data with the terminal 6; the above-mentioned information exchange methods include wired and wireless connection methods; the integrated circuit is responsible for processing, transmitting and controlling the analog signal temperature sensor, pressure sensor, and liquid level monitoring component output by the sensor, converting it into a processable digital signal and transmitting it to the app of the electronic device. The pressure and liquid level data need to be set in advance in the app to ensure that after the signal is transmitted, the drive unit 201 is automatically controlled by the app to complete the arterial puncture. After the button on the surface of the shell 301 is pressed, the puncture needle 101 automatically and slowly punctures. According to the pressure range pre-designed by the pressure sensor 205, when the puncture needle 101 reaches the pressure range, it indicates that it is about to puncture the artery, and it will control the drive unit Yuan 201 automatically slows needle insertion; when the liquid level monitoring component 5 detects blood, the puncture needle 101 automatically stops insertion. At this point, hold the device still. Leveraging the arterial pressure in the blood vessel and the negative pressure in the negative pressure tube 102, the puncture needle 101 automatically fills the negative pressure tube 102 with arterial blood, achieving automatic and precise arterial blood sampling. Once arterial blood collection is complete, the observation window indicates that the arterial blood volume has reached the standard line. At the same time, the liquid level monitoring component 5 meets the preset value range. The pressure signal is transmitted to the app via an analog integrated circuit. The app's pre-set value range corresponds to different puncture needle operations. The battery acts as a power source, and the micromotor acts as a motor to automatically retract the blood gas needle into its original position within the rubber plug cap, achieving intelligent and precise arterial blood gas puncture. During the puncture process, a memory chip monitors the pressure of the pressure sensor, the temperature of the temperature sensor, and the liquid level changes of the pressure-type liquid level sensor in real time. The data is uploaded to the app via Wi-Fi in real time for viewing and export.

[0043] Specific usage and function of this embodiment: In the present invention, the terminal 6 has a built-in App and is connected to the device wirelessly / wiredly. The patient's medical record number, current body temperature, oxygen uptake, etc. can be entered into the App, the artery to be punctured can be assessed, the puncture angle can be selected, the device can be rotated so that the needle tip bevel faces upward, and it can be disinfected and dried. The probe 401 is covered with a matching transparent sterile protective cover, a matching rubber band is covered on the middle part of the probe 401, and a sterile protective film is pulled up on the side of the sterile cover of the probe 401. A 1ml syringe is used to inject 1ml of normal saline into the film. The syringe needle should not touch the probe 401. The needle eye is folded and pressed with a rubber band. The normal saline will flow to the bottom of the probe. Normal saline is used instead of lubricant to improve the ultrasonic transmission effect and reduce costs. Through the probe 401, the B-ultrasound image on the App is observed, the blood vessel is fixed, and preparations for puncture are made. The device is started by pressing the button, and the arterial blood gas needle automatically completes the puncture.

[0044] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the scope of protection of the present invention. The scope of protection of the present invention is determined by the appended claims.

Claims

1. An intelligent arterial blood gas puncture needle, characterized in that: include: A puncture needle (101) having a negative pressure tube (102); The fixing seat (203) has a through hole formed therein, and the puncture needle (101) is inserted into the through hole of the fixing seat (203); the fixing seat (203) is rotatably connected to one end of the transmission shaft (202), and the other end of the transmission shaft (202) is connected to the driving unit (201); the driving unit (201) drives the transmission shaft (202) to rotate; The middle section of the transmission shaft (202) is connected to the connecting piece A (204) via a thread. When the transmission shaft (202) rotates, the connecting piece A (204) slides along the central axis of the transmission shaft (202); the connecting piece A (204) is connected to the negative pressure tube (102), driving the negative pressure tube (102) and the puncture needle (101) to slide.

2. The intelligent arterial blood gas puncture needle according to claim 1, characterized in that: It also includes a shell (301); the shell (301) is sleeved on the outside of the transmission shaft (202) and the negative pressure tube (102); a connecting groove (302) is provided on the outside of the shell (301); the connecting groove (302) is an annular joint socket.

3. The intelligent arterial blood gas puncture needle according to claim 2, characterized in that: It also includes a probe (401); a connector B (402) is fixedly connected to the side of the probe (401) away from the transmitting end; the connector B (402) is a shaft with a joint head; the joint head of the connector B (402) is inserted into the interior of the connecting groove (302).

4. The intelligent arterial blood gas puncture needle according to claim 1, characterized in that: One end of the connector A (204) away from the transmission shaft (202) is fixedly connected to a pressure sensor (205), and the connector A (204) is fixedly connected to a sliding seat (206) via the pressure sensor (205); a fixing hole is provided inside the sliding seat (206), and the negative pressure tube (102) is inserted into the fixing hole and is interference-connected with the sliding seat (206).

5. The intelligent arterial blood gas puncture needle according to claim 2, characterized in that: The surface of the housing (301) is provided with a display screen and control buttons, and an integrated circuit board is provided inside the housing (301).

6. The intelligent arterial blood gas puncture needle according to claim 1, characterized in that: The driving unit (201) is a micro motor, and the main shaft of the driving unit (201) is connected to the transmission shaft (202).

7. The intelligent arterial blood gas puncture needle according to claim 2, characterized in that: An outlet for the puncture needle (101) is provided at one end of the housing (301) close to the puncture needle (101); a sealing plug (303) is inserted into the outlet, and the sealing plug (303) is made of a flexible material.

8. The intelligent arterial blood gas puncture needle according to claim 2, characterized in that: A liquid level monitoring component (5) is installed inside the housing (301), and the liquid level monitoring component (5) is aligned with the negative pressure tube (102).

9. An intelligent arterial blood gas puncture needle according to any one of claims 1 to 8, characterized in that: It also includes a terminal (6); the integrated circuit and the probe (401) in the housing (301) exchange data with the terminal (6).

Images