Clinical puncture device

Abstract

The utility model relates to the technical field of internal medicine clinical puncture needles, in particular to a clinical puncture device which comprises a measuring cylinder, a graduated scale is arranged on the outer ring face of the measuring cylinder, one end of the measuring cylinder is connected with a flange, and the end, away from the measuring cylinder, of the flange is connected with a plunger. A measuring cylinder, an outer pipe, a connector, a first connecting pipe, a threaded connector, a waterproof sealing sleeve, a second connecting pipe and a replacement head connector are utilized, the connector is composed of the first connecting pipe and the second connecting pipe, the first connecting pipe is connected with the outer pipe of the measuring cylinder, and liquid leakage of the first connecting pipe and the second connecting pipe is prevented through the waterproof sealing sleeve. And after the second connecting pipe is taken down from the screwed joint through the replacement head interface, a new second connecting pipe is mounted on the screwed joint, so that the defect that the working complexity is increased due to the fact that an injector of an existing puncture device needs to be replaced is effectively overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of clinical puncture needles for internal medicine, in particular to a clinical puncture device. Background Art

[0002] Clinical cardiovascular medicine refers to a medical specialty that specializes in the diagnosis, treatment, and prevention of cardiovascular diseases. A puncture device is a medical instrument used for puncture operations. In clinical cardiovascular medicine, puncture operations are a common diagnostic and treatment method. Existing puncture devices require replacement of syringes when facing different patients. This operation increases the workload of medical staff to a certain extent, and also increases the complexity caused by the number of syringes.

[0003] In summary, the utility model solves the existing problems by designing a clinical puncture device. Utility Model Content

[0004] The purpose of the utility model is to provide a clinical puncture device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A clinical puncture device, comprising a measuring cylinder, a graduated scale is provided on the outer ring surface of the measuring cylinder, a flange is connected to one end of the measuring cylinder, a plunger is connected to the end of the flange away from the measuring cylinder, a knob is installed on the end of the plunger away from the flange, a syringe is installed on the end of the plunger away from the knob, a first thread is provided on the outer ring surface of the syringe at one end of the plunger, an inner tube is installed on the end of the syringe away from the plunger, a plug is installed on the end of the inner tube away from the syringe, an outer tube is installed on the end of the measuring cylinder away from the flange, a connector is installed on the end of the outer tube away from the measuring cylinder, and a needle is installed on the end of the connector away from the outer tube;

[0007] The connector includes a first connecting tube, a threaded opening is provided at one end of the first connecting tube, a threaded joint is installed at the end of the first connecting tube away from the threaded opening, a waterproof cover is provided on the threaded joint, the first connecting tube is connected to a second connecting tube at one end of the threaded joint, a replacement head interface is provided at one end of the second connecting tube, and a needle is installed at the end of the second connecting tube away from the replacement head interface.

[0008] As a preferred solution of the utility model, a sleeve is provided at one end of the measuring cylinder, a thread is provided on the sleeve passing through the edge of the flange, and the syringe penetrates into the sleeve and is fixed to the thread at the edge of the flange through a first thread.

[0009] As a preferred embodiment of the present invention, when the syringe is located in the measuring cylinder, the inner tube is located in the syringe, the plug is tangent to the inner wall of the outer tube, and the plug is made of rubber.

[0010] As a preferred solution of the utility model, the outer annular surface of the outer tube is provided with threads at one end of the connector, and the connection between the outer tube and the connector is fixed by a threaded opening.

[0011] As a preferred solution of the utility model, the threaded opening of the first connecting tube is communicated with the second connecting tube, and the first connecting tube and the second connecting tube are connected and fixed via a threaded joint and a replacement head interface.

[0012] As a preferred solution of the utility model, the waterproof seal is located on the threaded joint, and the waterproof seal is located between the first connecting pipe and the second connecting pipe after they are connected.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. A clinical puncture device is provided, which utilizes a measuring cylinder, an outer tube, a connector, a first connecting tube, a threaded joint, a waterproof sleeve, a second connecting tube and a replacement head interface, wherein the connector is composed of a first connecting tube and a second connecting tube, and the first connecting tube is connected to the outer tube of the measuring cylinder, and the first connecting tube and the second connecting tube are prevented from leaking by the waterproof sleeve. When facing different patients, it is only necessary to remove the second connecting tube from the threaded joint through the replacement head interface, and then install the new second connecting tube on the threaded joint, thereby reducing the workload, improving the efficiency of the operation, and effectively solving the disadvantage that the existing puncture device needs to replace the syringe and increase the complexity of the work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the measuring cylinder of the utility model;

[0017] Figure 3 It is a schematic diagram of the exploded structure of the connector of the utility model.

[0018] In the figure: 1. measuring cylinder; 2. scale; 3. flange; 4. plunger; 5. knob; 6. syringe; 7. first thread; 8. inner tube; 9. plug; 10. outer tube; 11. connector; 1101. first connector; 1102. threaded opening; 1103. threaded joint; 1104. waterproof cover; 1105. second connector; 1106. replacement head interface; 12. needle. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0023] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0024] The clinical puncture device for cardiovascular medicine of this embodiment comprises a measuring cylinder 1, a scale 2 is provided on the outer ring surface of the measuring cylinder 1, a flange 3 is connected to one end of the measuring cylinder 1, a plunger 4 is connected to the end of the flange 3 away from the measuring cylinder 1, a knob 5 is installed on the end of the plunger 4 away from the flange 3, a syringe 6 is installed on the end of the plunger 4 away from the knob 5, a first thread 7 is provided on the outer ring surface of the syringe 6 at one end of the plunger 4, an inner tube 8 is installed on the end of the syringe 6 away from the plunger 4, a plug 9 is installed on the end of the inner tube 8 away from the syringe 6, an outer tube 10 is installed on the end of the measuring cylinder 1 away from the flange 3, a connector 11 is installed on the end of the outer tube 10 away from the measuring cylinder 1, and a needle 12 is installed on the end of the connector 11 away from the outer tube 10;

[0025] The connector 11 includes a first connecting tube 1101, a threaded opening 1102 is provided at one end of the first connecting tube 1101, a threaded joint 1103 is installed at the end of the first connecting tube 1101 away from the threaded opening 1102, a waterproof cover 1104 is sleeved on the threaded joint 1103, the first connecting tube 1101 is connected to the end of the threaded joint 1103 connected to the second connecting tube 1105, a replacement head interface 1106 is provided at one end of the second connecting tube 1105, and a needle 12 is installed at the end of the second connecting tube 1105 away from the replacement head interface 1106.

[0026] For example, please refer to Figure 1 and Figure 2 A sleeve is provided at one end of the measuring cylinder 1, and a thread is provided on the edge of the sleeve passing through the flange 3, and the syringe 6 is inserted into the sleeve and is fixed to the edge of the flange 3 by the first thread 7. This design makes the fixation of the syringe more stable and the operation more convenient. When the syringe 6 is located in the measuring cylinder 1, the inner tube 8 is located in the syringe 6, the plug 9 is tangent to the inner wall of the outer tube 10, and the plug 9 is made of rubber. This design can prevent liquid leakage and improve the safety of operation.

[0027] For example, please refer to Figure 1 and Figure 3 The outer ring surface of the outer tube 10 is provided with a thread at one end of the connector 11, and the connection between the outer tube 10 and the connector 11 is fixed by a threaded opening 1102. This design makes the fixation of the outer tube more stable and improves the durability of the device. The threaded opening 1102 of the first connecting tube 1101 is communicated with the second connecting tube 1105. The first connecting tube 1101 and the second connecting tube 1105 are connected and fixed by a threaded joint 1103 and a replacement head interface 1106. This design makes the replacement of the device more convenient and improves the efficiency of the operation. The waterproof cover 1104 is located on the threaded joint 1103, and the waterproof cover 1104 is located between the first connecting tube 1101 and the second connecting tube 1105 after they are connected. This design can prevent liquid leakage and improve the safety of operation.

[0028] The working process of the utility model: a clinical puncture device designed by the present invention is used, by setting a measuring cylinder 1, an outer tube 10, a connector 11, a first connecting tube 1101, a threaded joint 1103, a waterproof sleeve 1104, a second connecting tube 1105 and a replacement head interface 1106, wherein the connector 11 is composed of a first connecting tube 1101 and a second connecting tube 1105, and the first connecting tube 1101 is connected to the outer tube 10 of the measuring cylinder 1, and the waterproof sleeve 1104 is used to prevent the first connecting tube 1101 and the second connecting tube 1105 from leaking. When facing different patients, it is only necessary to remove the second connecting tube 1105 from the threaded joint 1103 through the replacement head interface 1106, and then install the new second connecting tube 1105 on the threaded joint 1103, which reduces the workload and improves the efficiency of the operation.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clinical puncture device, comprising a measuring cylinder (1), characterized in that: The outer ring surface of the measuring cylinder (1) is provided with a scale (2); one end of the measuring cylinder (1) is connected with a flange (3); the end of the flange (3) away from the measuring cylinder (1) is connected with a plunger (4); the end of the plunger (4) away from the flange (3) is provided with a knob (5); the end of the plunger (4) away from the knob (5) is provided with a syringe (6); the outer ring surface of the syringe (6) is provided with a first thread (7) at one end of the plunger (4); the end of the syringe (6) away from the plunger (4) is provided with an inner tube (8); the end of the inner tube (8) away from the syringe (6) is provided with a plug (9); the end of the measuring cylinder (1) away from the flange (3) is provided with an outer tube (10); the end of the outer tube (10) away from the measuring cylinder (1) is provided with a connector (11); the end of the connector (11) away from the outer tube (10) is provided with a needle (12); The connector (11) comprises a first connector tube (1101), one end of the first connector tube (1101) is provided with a threaded opening (1102), one end of the first connector tube (1101) away from the threaded opening (1102) is provided with a threaded joint (1103), a waterproof cover (1104) is sleeved on the threaded joint (1103), one end of the first connector tube (1101) located at the threaded joint (1103) is connected to a second connector tube (1105), one end of the second connector tube (1105) is provided with a replacement head interface (1106), and one end of the second connector tube (1105) away from the replacement head interface (1106) is provided with a needle (12).

2. A clinical puncture device according to claim 1, characterized in that: One end of the measuring cylinder (1) is provided with a sleeve opening, and the sleeve opening passes through the edge of the flange (3) and is provided with a thread, and the syringe (6) penetrates into the sleeve opening and is threadedly fixed to the edge of the flange (3) through a first thread (7).

3. A clinical puncture device according to claim 1, characterized in that: When the syringe (6) is located in the measuring cylinder (1), the inner tube (8) is located in the syringe (6), the plugging port (9) is tangent to the inner side wall of the outer tube (10), and the material of the plugging port (9) is rubber.

4. A clinical puncture device according to claim 1, characterized in that: The outer annular surface of the outer tube (10) is provided with a thread at one end of the connector (11), and the connection between the outer tube (10) and the connector (11) is fixed via a threaded opening (1102).

5. A clinical puncture device according to claim 1, characterized in that: The threaded opening (1102) of the first connecting tube (1101) is in communication with the second connecting tube (1105), and the first connecting tube (1101) and the second connecting tube (1105) are connected and fixed via a threaded joint (1103) and a replacement head interface (1106).

6. A clinical puncture device according to claim 1, characterized in that: The waterproof seal (1104) is located on the threaded joint (1103), and after the first connecting tube (1101) and the second connecting tube (1105) are connected, the waterproof seal (1104) is located between them.

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