CN214969869U

CN214969869U - Drainage tube for thoracocentesis negative pressure drainage device

Info

Publication number: CN214969869U
Application number: CN202121426974.8U
Authority: CN
Inventors: 胡斯明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-03
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a drainage tube that thoracocentesis negative pressure drainage ware was used, including the relay pipe, relay pipe one end is equipped with the needle tube head, the needle tube head runs through the inside needle tubing of fixedly connected with intercommunication relay pipe, the relay pipe other end is equipped with the pipe head, pipe head fixedly connected with pipe, the relay pipe lower extreme is equipped with current-limiting mechanism. The utility model discloses a set up the scale, positioning bolt and spacing ring, earlier according to given puncture depth size, and refer to the scale, it is fixed to remove the suitable position on the needle tubing of spacing ring, at this moment, when the reuse needle tubing carries out the puncture operation, the spacing ring can be referred to with the entity to the puncture depth, ensure safe and smooth going on of puncture operation, simultaneously through setting up cylinder stopper, button and spring, the break-make of steerable drainage mouth realizes the drainage of suspending, and can avoid the backward flow, be adapted to more puncture operation's demand, the practicality of improving the device.

Description

Drainage tube for thoracocentesis negative pressure drainage device

Technical Field

The utility model relates to the technical field of drainage tubes, in particular to a drainage tube for a thoracocentesis negative pressure drainage device.

Background

The drainage tube is used for drainage in clinical surgery, guides pus, blood and liquid accumulated in human tissues or body cavities to the outside of a body, prevents postoperative infection and promotes wound healing, is widely applied to thoracentesis operation, and the existing drainage tube can basically meet the use requirement of the thoracentesis operation, but has some defects and needs to be improved.

The patent document CN211584808U proposes a clinical negative pressure drainage tube, which comprises a tube body and a fixed support device, wherein the fixed support device is arranged outside the tube body near the right end circumference, the drainage port is arranged on the outer wall of the rightmost circumference of the tube body, the liquid outlet is arranged on the outer wall of the leftmost circumference of the tube body, a limit ring is sleeved on the outer wall of the right end circumference of the tube body near the right end circumference on the right side of the fixed support device, a connecting sleeve is arranged on the fixed support device, the connecting sleeve is sleeved outside the right end circumference of the tube body near the right end circumference, the drainage tube is fixed on a patient body through a fixing band and a connecting band on the fixed support device, the tube body is prevented from being folded due to a larger bending angle to influence drainage through the supporting function of a foam block, the fixing band and the connecting band are made of rubber materials, and the friction force with skin is large so that the phenomenon of sliding can not occur when the drainage tube body is fixed on the patient body, so that the drainage tube is more convenient to use.

When the drainage tube is inserted into the thoracic cavity affected part of a patient, the insertion depth of the needle tube of the drainage tube is usually ensured to just reach the affected part position inside the thoracic cavity and cannot be too deep or too shallow, but the current drainage tube does not have a reference structure related to the insertion depth, so that a doctor is often required to have higher operation experience to operate, in addition, backflow must be avoided in the whole drainage process, and a part of the drainage tube does not have a flow limiting function, so that the drainage tube for the thoracocentesis negative pressure drainage device is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drainage tube that thoracentesis negative pressure drainage ware was used to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drainage tube that thorax puncture negative pressure drainage ware was used, includes the relay pipe, relay pipe one end is equipped with the syringe needle head, the syringe needle head runs through the inside needle tubing of fixedly connected with intercommunication relay pipe, the relay pipe other end is equipped with the pipe head, pipe head fixedly connected with pipe, the relay pipe lower extreme is equipped with current-limiting mechanism.

Preferably, the upper end of the needle tube head is fixedly connected with a support, the upper end of the support is provided with a chute, and a graduated scale is slidably connected in the chute.

Preferably, the upper end of the support is in threaded connection with a positioning bolt, and the lower end of the positioning bolt is in press fit with the fixed graduated scale.

Preferably, the needle tube is sleeved with a limiting ring, and the upper end of the limiting ring is fixedly connected with one end of the graduated scale.

Preferably, the limiting ring is provided with a round hole matched with the needle tube, and the needle tube is connected with the round hole in a sliding manner.

Preferably, the side wall of the relay pipe is provided with a drainage port communicated with the catheter head.

Preferably, the flow limiting mechanism comprises a cylindrical plug connected with the lower end of the relay pipe in a sliding manner, and the lower end of the cylindrical plug is fixedly connected with a button.

Preferably, the lower end of the relay pipe is fixedly connected with a spring sleeve, the inner top surface of the spring sleeve is fixedly connected with a spring sleeved on the outer side of the cylindrical plug, and the lower end of the spring is fixedly connected with the upper end of the button.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the drainage tube for the thoracocentesis negative pressure drainage device is provided with the graduated scale, the positioning bolt and the limiting ring, the positioning bolt is loosened through rotation, the graduated scale is moved to a proper position on the needle tube according to a given puncture depth size and is referred to, the positioning bolt is screwed again, the graduated scale is fixed with the limiting ring, at the moment, when the needle tube is used for puncture surgery, the limiting ring can give physical reference to the puncture depth, and the safe and smooth performance of the puncture surgery is ensured.

2. This drainage tube that thorax puncture negative pressure drainage ware was used is provided with cylinder stopper, button and spring, and through pressing the button, the button extrudees compression spring to drive cylinder stopper rebound, can block the drainage mouth of relay pipe lateral wall during cylinder stopper rebound, and then the going on of restriction drainage, thereby realize pause drainage, and can avoid the backward flow, be adapted to the demand of more puncture operations, improve the practicality of device.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic top view of the present invention;

fig. 5 is an enlarged schematic structural diagram of a point a in fig. 2 according to the present invention.

In the figure: 1. a relay pipe; 2. a needle head; 3. a needle tube; 4. a catheter head; 5. a conduit; 6. a support; 7. a chute; 8. a graduated scale; 9. positioning the bolt; 10. a limiting ring; 11. a circular hole; 12. a drainage opening; 13. a cylindrical plug; 14. a button; 15. a spring housing; 16. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment:

a drainage tube for a thoracocentesis negative pressure drainage device comprises a relay tube 1, one end of the relay tube 1 is provided with a needle tube head 2, the upper end of the needle tube head 2 is fixedly connected with a support 6, the upper end of the support 6 is provided with a chute 7, a graduated scale 8 is slidably connected in the chute 7, the upper end of the support 6 is in threaded connection with a positioning bolt 9, the lower end of the positioning bolt 9 is in press fit with the graduated scale 8, the positioning bolt 9 rotates to perform a threaded feeding effect with the upper end of the support 6 to realize up-and-down movement through the positioning bolt 9 by arranging the positioning bolt 9, the graduated scale 8 is loosened when the positioning bolt 9 moves upwards, the graduated scale 8 is pressed when the positioning bolt 9 moves downwards, the graduated scale 8 is fixed in the chute 7, the needle tube head 2 is fixedly connected with a needle tube 3 communicated with the interior of the relay tube 1 in a penetrating manner, a limit ring 10 is sleeved on the needle tube 3, and the upper end of the limit ring 10 is fixedly connected with one end of the graduated scale 8, the limiting ring 10 is provided with a round hole 11 matched with the needle tube 3, the needle tube 3 is connected with the round hole 11 in a sliding mode, the outer diameter of the needle tube 3 is equal to the inner diameter of the round hole 11, and the limiting ring 10 can move along the needle tube 3 through the round hole 11 due to the fact that the outer diameter of the needle tube 3 is equal to the inner diameter of the round hole 11.

The other end of the relay tube 1 is provided with a catheter head 4, the side wall of the relay tube 1 is provided with a drainage port 12 communicated with the catheter head 4, the catheter head 4 is fixedly connected with a catheter 5, the lower end of the relay tube 1 is provided with a current limiting mechanism, the current limiting mechanism comprises a cylindrical plug 13 connected with the lower end of the relay tube 1 in a sliding manner, the lower end of the cylindrical plug 13 is fixedly connected with a button 14, the lower end of the relay tube 1 is fixedly connected with a spring sleeve 15, the inner top surface of the spring sleeve 15 is fixedly connected with a spring 16 sleeved outside the cylindrical plug 13, the lower end of the spring 16 is fixedly connected with the upper end of the button 14, the spring 16 keeps the original length in a normal state, the button 14 is far away from the lower end of the relay tube 1, the cylindrical plug 13 can not block the drainage port 12, the relay tube 1 is communicated with the catheter head 4, when the button 14 is pressed by force, the button 14 moves upwards and presses the spring 16, the spring 16 is compressed by force, and the button 14 drives the cylindrical plug 13 to move upwards and block the drainage port 12, the relay pipe 1 is no longer in communication with the pipe head 4.

The working principle is as follows: when the reference position of the limiting ring 10 on the needle tube 3 needs to be determined, the positioning bolt 9 is firstly rotated, the positioning bolt 9 moves upwards and loosens the graduated scale 8 through the thread feeding effect generated at the upper end of the support 6, then the graduated scale 8 is referenced according to the given puncture depth size, the limiting ring 10 is moved, the limiting ring 10 slides on the needle tube 3 through the round hole 11 and drives the graduated scale 8 to slide in the chute 7, when the size reading from one end of the graduated scale 8, far away from the limiting ring 10, of the support 6 is equal to the size of the given puncture depth, the movement of the limiting ring 10 is stopped, the positioning bolt 9 is reversely rotated, the positioning bolt 9 compacts and fixes the graduated scale 8 again, the limiting ring 10 is fixed on the needle tube 3, and the reference position of the limiting ring 10 on the needle tube 3 is convenient to determine.

When the drainage of the catheter 5 needs to be blocked, the button 14 is pressed firstly, the button 14 moves in the spring sleeve 15 and extrudes the spring 16, the spring 16 is stressed to be elastically deformed and compressed, meanwhile, the button 14 drives the cylindrical plug 13 to move upwards at the lower end of the relay pipe 1, the cylindrical plug 13 moves upwards to block the drainage port 12 in the side wall of the relay pipe 1, the relay pipe 1 is further blocked from being communicated with the catheter head 4, and therefore the drainage of the catheter 5 is blocked.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a drainage tube that thorax puncture negative pressure drainage ware was used, includes relay pipe (1), its characterized in that: the utility model discloses a syringe, including relaying pipe (1), needle tube head (2), relay pipe (1) one end is equipped with needle tube head (2), needle tube head (2) run through fixedly connected with intercommunication relay pipe (1) inside needle tubing (3), relay pipe (1) other end is equipped with pipe head (4), pipe head (4) fixedly connected with pipe (5), relay pipe (1) lower extreme is equipped with current-limiting mechanism.

2. The drainage tube for the thoracocentesis negative pressure drainage device according to claim 1, wherein: needle tube head (2) upper end fixedly connected with support (6), support (6) upper end is equipped with spout (7), sliding connection has scale (8) in spout (7).

3. The drainage tube for the thoracocentesis negative pressure drainage device according to claim 2, wherein: the upper end of the support (6) is in threaded connection with a positioning bolt (9), and the lower end of the positioning bolt (9) is in press fit with a fixed graduated scale (8).

4. The drainage tube for the thoracocentesis negative pressure drainage device according to claim 2, wherein: the needle tube (3) is sleeved with a limiting ring (10), and the upper end of the limiting ring (10) is fixedly connected with one end of the graduated scale (8).

5. The drainage tube for the thoracocentesis negative pressure drainage device according to claim 4, wherein: the limiting ring (10) is provided with a round hole (11) matched with the needle tube (3), and the needle tube (3) is connected with the round hole (11) in a sliding mode.

6. The drainage tube for the thoracocentesis negative pressure drainage device according to claim 1, wherein: the lateral wall of the relay pipe (1) is provided with a drainage port (12) communicated with the catheter head (4).

7. The drainage tube for the thoracocentesis negative pressure drainage device according to claim 1, wherein: the flow limiting mechanism comprises a cylindrical plug (13) which is connected with the lower end of the relay pipe (1) in a sliding mode, and a button (14) is fixedly connected with the lower end of the cylindrical plug (13).

8. The drainage tube for the thoracocentesis negative pressure drainage device according to claim 7, wherein: the relay tube is characterized in that a spring sleeve (15) is fixedly connected to the lower end of the relay tube (1), a spring (16) arranged on the outer side of the cylindrical plug (13) is sleeved with a fixedly connected inner top surface of the spring sleeve (15), and the lower end of the spring (16) is fixedly connected with the upper end of the button (14).