Liver disease detection sampling device for infectious disease department

Abstract

The utility model discloses a hepatopathy detection sampling device for infectious disease department, which comprises a needle cylinder, a piston connected with the inner wall of the needle cylinder in a sliding manner, a piston rod fixedly connected with one end of the piston, a needle head connected with an interface of the needle cylinder through a hose, and a placing rack for supporting the needle cylinder, the needle cylinder and the needle head are in butt joint through the hose, so that in the process that the driving rod is driven to move so as to achieve piston movement, the needle head can be prevented from generating large shaking due to the fact that the needle cylinder and the needle head are in flexible connection, and the needle head is prevented from being damaged. Pain of a patient caused by shaking of the needle head is avoided; and by arranging the propelling mechanism, the piston can be driven to move, and the movement of the piston is smoother and more stable, so that a patient feels more comfortable in the sampling process.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a liver disease detection sampling device for infectious diseases. Background Art

[0002] The Department of Hepatology is a discipline that intersects with many departments, such as the Department of Infectious Diseases, Department of Gastroenterology, Department of Hepatobiliary Surgery, and Department of General Surgery. Its diagnosis and treatment covers both internal and external aspects and covers a wide range. In the Department of Hepatology, some patients need to take samples of liver tissue through puncture.

[0003] When taking samples for liver disease testing, the patient needs to lie in a supine position, and the puncture site can be disinfected and anesthetized before puncture sampling. Currently, when puncture sampling is performed, medical staff hold the puncture syringe and directly find the correct position before inserting it. During the puncture process, it is easy for the hand to be unstable, resulting in the movement trajectory of the syringe not being in a straight line, and the needle will also be unstable when pulling the piston rod of the syringe, causing additional harm and pain to the patient. Utility Model Content

[0004] In view of the problems existing in the existing liver disease detection sampling device for infectious diseases, the utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a liver disease detection sampling device for infectious diseases, which solves the problem that during the current puncture sampling, medical staff hold the puncture syringe and directly find the correct position before inserting it. During the puncture process, it is easy for the syringe movement trajectory to be not in a straight line due to unstable hands, and the needle will also be unstable when pulling the piston rod, causing additional harm and pain to the patient.

[0006] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] A liver disease detection sampling device for infectious department comprises a syringe, wherein the inner wall of the syringe is slidably connected to a piston, one end of the piston is fixedly connected to a piston rod, the interface of the syringe is connected to a needle via a hose, and also comprises a placement frame for supporting the syringe.

[0008] As a preferred solution of the liver disease detection sampling device for infectious diseases described in the utility model, one end of the hose is provided with a connector, and the connector is plugged into the interface of the syringe.

[0009] As a preferred solution of the liver disease detection sampling device for infectious diseases described in the utility model, the placement rack includes a bottom support plate, a support vertical plate is fixedly installed on the top of the bottom support plate, and an arc-shaped notch is opened on the top of the support vertical plate.

[0010] As a preferred solution of the liver disease detection sampling device for infectious diseases described in the utility model, one end of the piston rod away from the piston is fixedly connected to a driving rod.

[0011] As a preferred solution of the liver disease detection sampling device for infectious diseases described in the utility model, a propulsion mechanism is installed between the syringe and the driving rod, and the piston is driven to slide in the syringe through the propulsion mechanism.

[0012] As a preferred solution of the liver disease detection sampling device for infectious diseases described in the utility model, the propulsion mechanism includes a fixed block integrally provided on the outer wall of the syringe, a servo motor is fixedly mounted on the fixed block, the output shaft of the servo motor is connected to a threaded rod through a coupling, and the threaded rod is threadedly connected to the driving rod.

[0013] As a preferred solution of the liver disease detection sampling device for infectious diseases described in the utility model, the propulsion mechanism also includes a vertical plate welded on the bottom support plate, a bearing seat is installed on the vertical plate, and the bearing seat is rotatably connected to the threaded rod through a bearing.

[0014] As a preferred solution of the liver disease detection sampling device for infectious diseases described in the utility model, an internal threaded tube is fixedly installed on the driving rod, and the inner wall of the internal threaded tube is threadedly connected to the threaded rod.

[0015] As a preferred solution of the liver disease detection sampling device for infectious diseases described in the utility model, the propulsion mechanism includes a fixed block integrally provided on the outer wall of the syringe, and an electric push rod is detachably installed between the fixed block and the driving rod.

[0016] As a preferred solution of the liver disease detection sampling device for infectious diseases described in the utility model, wherein: a first support connection seat is fixedly mounted on the fixed block, one end of the electric push rod is inserted into the first support connection seat, and the first support connection seat and the electric push rod are fixed by bolts;

[0017] A second supporting connection seat is fixedly mounted on the driving rod, the other end of the electric push rod is inserted into the second supporting connection seat, and the second supporting connection seat and the electric push rod are fixed by bolts.

[0018] Compared with existing technologies:

[0019] 1. The syringe and the needle are connected by a hose. Therefore, in the process of driving the driving rod to move and then realizing the movement of the piston, the syringe and the needle are softly connected, so that the needle can be prevented from shaking greatly, thereby avoiding the pain of the patient caused by the shaking of the needle;

[0020] 2. By setting up a propulsion mechanism, the piston can be driven to move, and the movement of the piston is smoother and more stable, so that the patient can be more comfortable during the sampling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the structure provided for Example 1 of the utility model;

[0022] Figure 2 A side view of the support vertical plate provided in Example 1 of the utility model;

[0023] Figure 3 A schematic diagram of the structure provided for Embodiment 2 of the present utility model;

[0024] Figure 4 This is a schematic diagram of the structure provided for Example 3 of the present utility model.

[0025] In the figure: syringe 1, piston rod 2, drive rod 3, bottom support plate 4, limit ring 5, support vertical plate 6, hose 7, connector 8, needle 9, servo motor 10, fixing block 11, threaded rod 12, internal threaded tube 13, vertical plate 14, bearing seat 15, electric push rod 16. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the present invention more clear, the implementation methods of the present invention will be further described in detail below with reference to the accompanying drawings.

[0027] Embodiment 1:

[0028] The utility model provides a liver disease detection sampling device for infectious diseases, please refer to Figure 1-2 , including a syringe 1, a piston is slidably connected to the inner wall of the syringe 1, one end of the piston is fixedly connected to the piston rod 2, the end of the piston rod 2 away from the piston is fixedly connected to the driving rod 3, the interface of the syringe 1 is connected to the needle 9 through a hose 7, and also includes a placement rack for supporting the syringe 1, the placement rack includes a bottom support plate 4, a support vertical plate 6 is fixedly installed on the top of the bottom support plate 4, an arc-shaped notch is opened on the top of the support vertical plate 6, and a limiting ring 5 is integrally provided on the syringe 1, so that when the syringe 1 is placed in the arc-shaped notch on the top of the support vertical plate 6, the stability between the syringe 1 and the placement rack can be guaranteed.

[0029] A connector 8 is provided at one end of the hose 7, and the connector 8 is plugged into the interface of the syringe 1; at this time, the needle 9 can be punctured first, and after the puncture is completed, the connector 8 at the end of the hose 7 is docked with the interface of the syringe 1; so that in the process of holding the driving rod 3 and driving the piston to move through the piston rod 2, since there is a soft connection between the syringe 1 and the needle 9, the needle 9 can be prevented from shaking, thereby avoiding pain for the patient; and the bottom support plate 4 can be pressed with one hand to prevent the syringe 1 from shaking; of course, the bottom support plate 4 can also be fixed on the desktop.

[0030] During specific use, the needle 9 is used for puncture, and after the puncture is completed, the connector 8 at the end of the hose 7 is docked with the interface of the syringe 1; then the driving rod 3 is driven to move, and then the piston is driven to move, so as to achieve sampling.

[0031] Embodiment 2:

[0032] See attached Figure 3 , which is different from Example 1, is that a propulsion mechanism is installed between the syringe 1 and the driving rod 3, and the piston is driven to slide in the syringe 1 by the propulsion mechanism. The propulsion mechanism includes a fixed block 11 integrally provided on the outer wall of the syringe 1, and a servo motor 10 is fixedly installed on the fixed block 11. The output shaft of the servo motor 10 is connected to a threaded rod 12 through a coupling, and the threaded rod 12 is threadedly connected to the driving rod 3. Specifically, an internal threaded tube 13 is fixedly installed on the driving rod 3, and the inner wall of the internal threaded tube 13 is threadedly connected to the threaded rod 12. The propulsion mechanism also includes a vertical plate 14 welded to the bottom support plate 4, and a bearing seat 15 is installed on the vertical plate 14. The bearing seat 15 is rotatably connected to the threaded rod 12 through a bearing; the threaded rod 12 is driven to rotate by the servo motor 10, thereby driving the driving rod 3 to move, thereby completing the movement of the piston, and the piston can move smoothly, so that the patient is more comfortable when sampling.

[0033] During specific use, the needle 9 is used for puncture, and after the puncture is completed, the connector 8 at the end of the hose 7 is docked with the interface of the syringe 1; the threaded rod 12 is driven to rotate by the servo motor 10, thereby driving the drive rod 3 to move, thereby completing the movement of the piston, and then completing the sampling.

[0034] Embodiment 3:

[0035] See attached Figure 4 , which is different from the second embodiment, is that the propulsion mechanism includes a fixed block 11 integrally provided on the outer wall of the syringe 1, and an electric push rod 16 is detachably installed between the fixed block 11 and the driving rod 3. Specifically, a first supporting connection seat is fixedly installed on the fixed block 11, one end of the electric push rod 16 is inserted into the first supporting connection seat, and the first supporting connection seat and the electric push rod 16 are fixed by bolts;

[0036] A second supporting connection seat is fixedly installed on the driving rod 3, the other end of the electric push rod 16 is inserted into the second supporting connection seat, and the second supporting connection seat and the electric push rod 16 are fixed by bolts; the driving rod 3 is pushed to move by the electric push rod 16, so that the length of the device can be shorter than that of Example 2.

[0037] During specific use, the needle 9 is used for puncture, and after the puncture is completed, the connector 8 at the end of the hose 7 is connected to the interface of the syringe 1; the electric push rod 16 is extended to drive the drive rod 3 to move, thereby completing the movement of the piston and completing the sampling.

[0038] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A liver disease detection sampling device for infectious diseases, comprising a syringe (1), wherein the inner wall of the syringe (1) is slidably connected to a piston, one end of the piston is fixedly connected to a piston rod (2), and characterized in that: The interface of the syringe (1) is connected to a needle (9) via a hose (7), and also includes a placement frame for supporting the syringe (1).

2. A liver disease detection sampling device for infectious diseases according to claim 1, characterized in that: One end of the hose (7) is provided with a connector (8), and the connector (8) is plugged into the interface of the syringe (1).

3. A liver disease detection sampling device for infectious diseases according to claim 1 or 2, characterized in that: The placement rack comprises a bottom support plate (4), a support vertical plate (6) is fixedly mounted on the top of the bottom support plate (4), and an arc-shaped notch is provided on the top of the support vertical plate (6).

4. A liver disease detection sampling device for infectious diseases according to claim 3, characterized in that: One end of the piston rod (2) away from the piston is fixedly connected to a driving rod (3).

5. A liver disease detection sampling device for infectious diseases according to claim 4, characterized in that: A propulsion mechanism is installed between the syringe (1) and the driving rod (3), and the piston is driven to slide in the syringe (1) by the propulsion mechanism.

6. A liver disease detection sampling device for infectious diseases according to claim 5, characterized in that: The propulsion mechanism comprises a fixed block (11) integrally provided on the outer wall of the syringe (1), a servo motor (10) being fixedly mounted on the fixed block (11), an output shaft of the servo motor (10) being connected to a threaded rod (12) via a coupling, and the threaded rod (12) being threadedly connected to the driving rod (3).

7. A liver disease detection sampling device for infectious diseases according to claim 6, characterized in that: The propulsion mechanism further comprises a vertical plate (14) welded to the bottom support plate (4), a bearing seat (15) being mounted on the vertical plate (14), and the bearing seat (15) being rotatably connected to the threaded rod (12) via a bearing.

8. A liver disease detection sampling device for infectious diseases according to claim 6 or 7, characterized in that: An internal threaded tube (13) is fixedly mounted on the driving rod (3), and the inner wall of the internal threaded tube (13) is threadedly connected to the threaded rod (12).

9. The liver disease detection sampling device for infectious diseases according to claim 5, characterized in that: The propulsion mechanism comprises a fixing block (11) integrally provided on the outer wall of the syringe (1), and an electric push rod (16) is detachably mounted between the fixing block (11) and the driving rod (3).

10. A liver disease detection sampling device for infectious diseases according to claim 9, characterized in that: A first supporting connection seat is fixedly mounted on the fixing block (11), one end of the electric push rod (16) is inserted into the first supporting connection seat, and the first supporting connection seat and the electric push rod (16) are fixed by bolts; A second supporting connection seat is fixedly mounted on the driving rod (3), the other end of the electric push rod (16) is inserted into the second supporting connection seat, and the second supporting connection seat and the electric push rod (16) are fixed by bolts.

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