CN218419910U

CN218419910U - Puncture structure capable of extracting detection liquid

Info

Publication number: CN218419910U
Application number: CN202221924778.8U
Authority: CN
Inventors: 李思影
Original assignee: Second Medical Center of PLA General Hospital
Current assignee: Second Medical Center of PLA General Hospital
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2023-02-03
Anticipated expiration: 2032-07-25

Abstract

The application discloses can extract puncture structure that detects liquid belongs to medical instrument technical field. The puncture structure capable of extracting detection liquid comprises a puncture component and a liquid extraction component. The spike assembly includes: puncture needle and needle file, the needle file sets up on the puncture needle, the drawing liquid subassembly includes hollow tube, end cap, pole setting, drainage tube, first hollow post, locking portion and displacement portion, and during the use, the suction aspirator negative pressure work is the liquid suction of waiting to detect from first drain hole and second drain hole, has realized promptly waiting to detect the extraction of liquid, and a plurality of first drain holes and second drain hole have been seted up to this puncture structure, and the effectual one of them hole that prevents in first drain hole or the second drain hole from blockking up the back, leads to waiting to detect the condition that the liquid suction can not come out to appear, and a plurality of first drain holes and second drain hole also can improve the extraction speed to waiting to detect liquid, give the better use of user and experience.

Description

Puncture structure capable of extracting detection liquid

Technical Field

The application belongs to the technical field of medical instrument, more specifically relates to a puncture structure that can extract detection liquid.

Background

Puncture is a diagnostic technique in which a puncture needle is inserted into a body cavity to extract secretions for testing, gas or contrast agents are injected into the body cavity to perform contrast examination, or medicines are injected into the body cavity. The purpose of puncture is to take blood for examination, blood transfusion, fluid infusion and to put in a catheter for angiography.

Puncture structure among the correlation technique comprises pjncture needle, blank pipe and drainage tube, and the blank pipe is inserted and is established in the pjncture needle, and the lower extreme of drainage tube is fixed in the blank pipe, has seted up the same drain hole on blank pipe and the drainage tube, treats the liquid that detects and carries out the in-process of extracting utilizing the drain hole, because the quantity in drain hole is few, the condition that the drain hole was blocked by the focus often appears, causes the condition that can not extract the liquid that detects, brings the not good use experience for the user.

Disclosure of Invention

For solving the defect that exists among the above-mentioned technique, this application provides a can extract puncture structure who detects liquid, and its essence lies in improving and is utilizing the drain hole to carry out the in-process that extracts to the liquid that waits to detect, because the quantity of drain hole is few, the condition that the drain hole is blocked up by the focus often appears, causes the condition that can not extract the liquid that waits to detect, brings the problem that not good use experience for the user.

In order to achieve the purpose, the technical scheme of the application is as follows:

a puncture structure capable of extracting detection liquid comprises a puncture assembly and a liquid extraction assembly.

The spike assembly includes: the needle comprises a puncture needle and a needle seat, wherein the needle seat is arranged on the puncture needle.

The liquid pumping assembly comprises a hollow pipe, an end cap, a vertical rod, a drainage pipe, a first hollow column, a locking part and a displacement part, wherein the hollow pipe is inserted into the puncture needle, the lower end of the vertical rod is fixed on the upper surface of the end cap, the end cap is attached to the lower surface of the hollow pipe, the vertical rod penetrates through the drainage pipe, the lower end of the drainage pipe is fixed on the outer wall of the vertical rod, the first hollow column passes through the locking part and is fixed on the puncture needle, the puncture needle also penetrates through the first hollow column, the hollow pipe is fixed in the first hollow column, the displacement part is arranged on the vertical rod and the hollow pipe, and a second liquid guide hole is formed in the drainage pipe.

In the implementation process, the liquid pumping assembly further comprises a sealing gasket, and the sealing gasket is fixed on the upper surface of the plug.

In the implementation process, the drainage tube is provided with first drainage holes, and the first drainage holes are axially and equidistantly arranged on the drainage tube.

In the implementation process, the locking part comprises an arc-shaped plate and a knob, one end of the arc-shaped plate is fixed on the outer wall of the puncture needle, the knob penetrates through the arc-shaped plate in a threaded manner, and the end part of the knob is also threaded in the first hollow column.

In the implementation process, the displacement part comprises a second hollow column and a connecting rod, the second hollow column is threaded in the hollow tube, one end of the connecting rod is fixed on the outer wall of the vertical rod, the connecting rod penetrates through the drainage tube in a sealing mode, and the other end of the connecting rod is fixed in the inner wall of the second hollow column.

In the implementation process, the hollow pipe is provided with a thread groove, and the second hollow column is threaded in the thread groove.

In the above implementation, the puncture assembly further includes a cushion fixed on the upper surface of the needle base.

In the implementation process, the second liquid guide holes are axially and equidistantly arranged on the drainage tube, and the number of the first liquid guide holes is equal to that of the second liquid guide holes.

Compared with the prior art, the method has the following advantages:

during the use, insert the pjncture needle to the hollow tube, then insert the pjncture needle to patient's affected part, later rotatory second hollow column, make second hollow column enter into the thread groove, realized driving the pole setting displacement promptly, make end cap and the lower extreme of hollow tube separate, make the liquid that awaits measuring flow in the hollow tube, then connect the upper end of drainage tube on the vacuum aspiration ware, the vacuum aspiration ware work is to the liquid that awaits measuring suction from first drain hole and second drain hole, the extraction to the liquid that awaits measuring has been realized promptly, this puncture is structural to be seted up a plurality of first drain holes and second drain hole, effectual prevent after one of them hole in first drain hole or the second drain hole is blockked up, lead to the circumstances that the liquid that awaits measuring can not suck out to appear, and a plurality of first drain holes and second drain hole also can improve the extraction speed to the liquid that awaits measuring, give better use experience of user.

Drawings

Fig. 1 is a schematic structural diagram of a puncturing structure capable of extracting a detection liquid according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a piercing structure capable of withdrawing a test fluid according to an embodiment of the present disclosure;

FIG. 3 is a schematic cross-sectional view of a spike assembly provided in accordance with an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view of an embodiment of an evacuation assembly;

FIG. 5 is an enlarged view of area A of FIG. 4 provided in accordance with an embodiment of the present application;

FIG. 6 is an enlarged view of area B in FIG. 4 according to an embodiment of the present disclosure;

fig. 7 is an enlarged view of a region C in fig. 4 according to an embodiment of the present disclosure.

In the figure: 100-a puncture assembly; 110-puncture needle; 120-needle seat; 130-a soft cushion; 200-a liquid extraction assembly; 210-empty pipe; 220-plug; 230-a gasket; 240-upright stanchion; 250-a drainage tube; 260-first drain hole; 270-a second drain hole; 280-a first hollow column; 290-a locking portion; 2901-arc shaped plate; 2902-knob; 291-thread groove; 292-a displacement portion; 2921-second hollow column; 2922-connecting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail with reference to the following embodiments.

It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the examples, the means used are conventional in the art unless otherwise specified.

Referring to fig. 1-7, the present application provides a lancing structure capable of extracting test fluid, including a lancing assembly 100 and a fluid extraction assembly 200.

The liquid pumping assembly 200 is arranged on the puncture assembly 100, the hollow tube 210 is inserted into the puncture needle 110, the puncture needle 110 is inserted into the affected part of the patient, then the second hollow column 2921 is rotated to enable the second hollow column 2921 to enter the thread groove 291, that is, the vertical rod 240 is driven to move, the plug 220 is separated from the lower end of the hollow tube 210, so that the liquid to be detected flows into the hollow tube 210, then the upper end of the drainage tube 250 is connected to the negative pressure suction apparatus, the negative pressure suction apparatus works to suck the liquid to be detected out from the first liquid guide hole 260 and the second liquid guide hole 270, that is, the liquid to be detected is pumped out, the puncture structure is provided with a plurality of first liquid guide holes 260 and second liquid guide holes 270, the situation that the liquid to be detected cannot be sucked out after one of the first liquid guide holes 260 or the second liquid guide holes 270 is effectively prevented from being blocked is caused, and the plurality of the first liquid guide holes 260 and the second liquid guide holes 270 can also improve the speed of the liquid to be detected, and a better experience is provided for a user.

Referring to fig. 1-3, lancing assembly 100 includes: the puncture needle assembly 100 further includes a cushion 130, the cushion 130 is fixed on the upper surface of the needle hub 120, and the cushion 130 enables an operator to press the needle hub 120 more comfortably.

Referring to fig. 2 and 4-7, the pumping assembly 200 includes a hollow tube 210, a plug 220, an upright 240, a drainage tube 250, a first hollow column 280, a locking portion 290 and a displacement portion 292, the hollow tube 210 is inserted into the puncture needle 110, a lower end of the upright 240 is fixed on an upper surface of the plug 220, the plug 220 is attached to a lower surface of the hollow tube 210, the pumping assembly 200 further includes a gasket 230, the gasket 230 is fixed on an upper surface of the plug 220, the gasket 230 improves a sealing property between the hollow tube 210 and the plug 220, the upright 240 penetrates the drainage tube 250, a lower end of the drainage tube 250 is fixed on an outer wall of the upright 240, the drainage tube 250 is provided with a first fluid guide hole 260, the first fluid guide hole 260 is axially and equidistantly disposed on the drainage tube 250, the first fluid guide hole 260 and the second fluid guide hole 270 accelerate a pumping speed of a detection fluid, the first hollow column 280 is fixed on the puncture needle 110 through the locking portion 290, the locking part 290 comprises an arc-shaped plate 2901 and a knob 2902, one end of the arc-shaped plate 2901 is fixed on the outer wall of the puncture needle 110, the knob 2902 is threaded through the arc-shaped plate 2901, the end of the knob 2902 is also threaded in the first hollow column 280, the knob 2902 is convenient for fixing the first hollow column 280 on the puncture needle 110, the puncture needle 110 is also threaded through the first hollow column 280, the hollow tube 210 is fixed in the first hollow column 280, the displacement part 292 is arranged on the vertical rod 240 and the hollow tube 210, the displacement part 292 comprises a second hollow column 2921 and a connecting rod 2922, the second hollow column 2921 is threaded in the hollow tube 210, a thread groove 291 is arranged on the hollow tube 210, the second hollow column 2921 is threaded in the thread groove 291, one end of the connecting rod 2922 is fixed on the outer wall of the vertical rod 240, the connecting rod 2922 is sealed to penetrate through the hollow tube 250, the other end of the connecting rod 2922 is fixed in the inner wall of the second hollow column 2921, the connecting rod 2922 is convenient for fixing the vertical rod 240 on the second hollow column 2921, the drainage tube 250 is provided with second liquid guide holes 270, the second liquid guide holes 270 are axially and equidistantly arranged on the drainage tube 250, the number of the first liquid guide holes 260 is the same as that of the second liquid guide holes 270, and the speed of extracting detection liquid is accelerated through the second liquid guide holes 270.

Specifically, this puncture structure's that can extract detection liquid theory of operation: during use, the hollow tube 210 is inserted into the puncture needle 110, the puncture needle 110 is inserted into an affected part of a patient, then the second hollow column 2921 is rotated, the second hollow column 2921 enters the thread groove 291, namely, the vertical rod 240 is driven to move, the plug 220 is separated from the lower end of the hollow tube 210, liquid to be detected flows into the hollow tube 210, then the upper end of the drainage tube 250 is connected to the negative pressure suction apparatus, the negative pressure suction apparatus works to suck the liquid to be detected out from the first liquid guide hole 260 and the second liquid guide hole 270, namely, the liquid to be detected is extracted, the puncture structure is provided with the first liquid guide holes 260 and the second liquid guide holes 270, the situation that the liquid to be detected cannot be sucked out is effectively prevented from being blocked after one of the first liquid guide holes 260 or the second liquid guide holes 270 is blocked, and the first liquid guide holes 260 and the second liquid guide holes 270 can also improve the extraction speed of the liquid to be detected, so that a user can experience better.

The above examples are merely illustrative of several embodiments of the present application, which are described in more detail and detail, but are not to be construed as limiting the scope of the claims.

It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A lancing structure capable of extracting test fluid, comprising:

a spike assembly (100), the spike assembly (100) comprising: the puncture needle comprises a puncture needle (110) and a needle seat (120), wherein the needle seat (120) is arranged on the puncture needle (110); and

the liquid pumping assembly (200), the liquid pumping assembly (200) includes a hollow tube (210), a plug (220), an upright rod (240), a drainage tube (250), a first hollow column (280), a locking part (290) and a displacement part (292), the hollow tube (210) is inserted into the puncture needle (110), the lower end of the upright rod (240) is fixed on the upper surface of the plug (220), the plug (220) is attached to the lower surface of the hollow tube (210), the upright rod (240) penetrates through the drainage tube (250), the lower end of the drainage tube (250) is fixed on the outer wall of the upright rod (240), the first hollow column (280) is fixed on the puncture needle (110) through the locking part (290), the puncture needle (110) also penetrates through the first hollow column (280), the hollow tube (210) is fixed in the first hollow column (280), the displacement part (292) is arranged on the upright rod (240) and the hollow tube (210), and a second liquid guiding hole (270) is formed in the drainage tube (250).

2. A lancing structure according to claim 1, wherein the extraction assembly (200) further comprises a gasket (230), the gasket (230) being secured to the upper surface of the stopper (220).

3. A puncturing structure capable of extracting a detection liquid according to claim 1, wherein the drainage tube (250) is provided with a first liquid guiding hole (260), and the first liquid guiding holes (260) are axially and equidistantly arranged on the drainage tube (250).

4. A puncture mechanism for enabling the withdrawal of test liquid according to claim 1, wherein the locking portion (290) comprises an arc-shaped plate (2901) and a knob (2902), one end of the arc-shaped plate (2901) is fixed to the outer wall of the puncture needle (110), the knob (2902) is threaded through the arc-shaped plate (2901), and the end of the knob (2902) is also threaded in the first hollow column (280).

5. A piercing structure capable of extracting test liquid according to claim 1, characterized in that the displacement portion (292) comprises a second hollow column (2921) and a connecting rod (2922), the second hollow column (2921) being threaded inside the hollow tube (210), one end of the connecting rod (2922) being fixed on the outer wall of the upright (240), the connecting rod (2922) sealingly penetrating the drainage tube (250), the other end of the connecting rod (2922) being fixed in the inner wall of the second hollow column (2921).

6. A piercing structure as claimed in claim 5, characterized in that the hollow tube (210) is provided with a threaded groove (291), and the second hollow column (2921) is threaded in the threaded groove (291).

7. A lancing structure according to claim 1 capable of extracting test liquid, wherein the lancing assembly (100) further comprises a cushion (130), the cushion (130) being fixed to an upper surface of the hub (120).

8. A puncturing structure according to claim 3, wherein said second drainage holes (270) are axially equidistantly provided in said drainage tube (250), and the number of said first drainage holes (260) is the same as the number of said second drainage holes (270).