CN111481754A

CN111481754A - Improved drainage device special for thoracic surgery

Info

Publication number: CN111481754A
Application number: CN202010329227.6A
Authority: CN
Inventors: 张波
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-08-04

Abstract

The invention relates to the field of medical instruments, in particular to an improved thoracic surgery special drainage device which comprises a liquid accumulation bottle, a cover body, a negative pressure air bag component and a drainage tube, wherein the cover body is in threaded connection with the upper end of the liquid accumulation bottle; the drainage tube is simple in structure, low in cost, convenient to use, disassemble and assemble, and further convenient to clean and disinfect, and meanwhile, the small air bags are continuously pressed to drive the dredging frame to penetrate into the drainage tube, so that the drainage tube is dredged, and the drainage effect of accumulated liquid is improved.

Description

Improved drainage device special for thoracic surgery

Technical Field

The invention relates to the field of medical instruments, in particular to an improved drainage device special for thoracic surgery.

Background

Thoracic surgery is a medical special department, which is specialized in the diagnosis and treatment of pathological changes of the thoracic cavity, mainly esophagus, lung and mediastinum, and the field of mammary gland surgery is also classified into the special department, wherein lung surgery and esophageal surgery are mainly used. In the process of thoracic surgery diagnosis and treatment or postoperative care, the condition of excessive hydrops in the body of a patient caused by various reasons is frequently met, and thoracic cavity negative pressure drainage needs to be carried out on the patient.

At present, a negative pressure drainage device mainly comprises a drainage tube, a hydrops bottle and a negative pressure device, wherein the hydrops bottle is communicated with the drainage tube, negative pressure is generated by the negative pressure device, and the hydrops in the thoracic cavity of a patient is introduced into the hydrops bottle through the drainage tube.

However, the negative pressure drainage device in the application process has the following defects and shortcomings:

at present, the thoracic drainage tube widely used clinically is a medical silicone tube and is easily blocked by a clot and cellulose in effusion, so that part of effusion is left in the thoracic cavity, and the drainage effect is reduced.

Disclosure of Invention

Solves the technical problem

Aiming at the defects in the prior art, the invention provides an improved drainage device special for thoracic surgery, which can effectively solve the problem that a medical silicone tube in the prior art is easily blocked by blood clots and cellulose in effusion, so that part of effusion is left in a thoracic cavity, and the drainage effect is reduced.

Technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

an improved drainage device special for thoracic surgery comprises a liquid accumulation bottle, a cover body in threaded connection with the upper end of the liquid accumulation bottle, a negative pressure air bag component and a drainage tube, wherein the negative pressure air bag component is communicated with the liquid accumulation bottle through a negative pressure guide tube, the right end of the negative pressure guide tube penetrates through the cover body and extends into the upper part of the liquid accumulation bottle, the left part of the cover body is provided with the liquid accumulation guide tube, the left end of the liquid accumulation guide tube penetrates through the cover body and extends into the upper part of the liquid accumulation bottle, the right end of the liquid accumulation guide tube is connected with a buffering sphere, the lower part of the buffering sphere is provided with a liquid outlet tube in interference fit with the right end of the liquid accumulation guide tube, the right part of the buffering sphere is provided with a liquid inlet tube in interference fit with the left end of the drainage tube, the left part of the buffering sphere is connected with a dredging component through a threaded tube, the dredging component comprises a, the left end of the piston tube is provided with an air inlet matched with the small air bag, and the right end of the plastic strip penetrates out of the right end of the piston tube.

Furthermore, the liquid accumulation bottle is made of transparent glass, and the scale marks are arranged on the outer surface wall of the liquid accumulation bottle, so that the amount of accumulated liquid in the liquid accumulation bottle can be conveniently observed.

Further, the lid downside is provided with the baffle, negative pressure pipe right-hand member and hydrops pipe left end are located the baffle left and right sides respectively, through baffle separation negative pressure pipe right-hand member and hydrops pipe left end, avoid the hydrops from hydrops pipe left end direct suction to negative pressure pipe right-hand member in.

Furthermore, the negative pressure air bag assembly comprises a large air bag, a one-way air outlet valve nozzle arranged on the lower side of the large air bag and a one-way air inlet valve nozzle arranged between the upper side of the large air bag and the left end of the negative pressure conduit, the one-way air outlet valve nozzle is matched with the one-way air inlet valve nozzle, when the large air bag is pressed, gas in the large air bag is discharged from the one-way air outlet valve nozzle, then under the self-restoring action of the large air bag, the gas can only enter from the one-way air inlet valve nozzle, the gas in the liquid accumulation bottle is sucked into the large air bag, negative pressure is generated in the liquid accumulation bottle, and accumulated liquid in the chest of a patient.

Furthermore, the inner wall of the right end of the piston pipe is provided with a limiting channel, the plastic strip penetrates through the limiting channel and penetrates out of the limiting channel, and the limiting channel is used for limiting assistance to the plastic strip, so that the plastic strip can only move along the central axis of the piston pipe, and the moving stability of the plastic strip is improved.

Furthermore, the left side and the right side of the limiting channel are provided with tapered openings, the plastic strip penetrates into the limiting channel from the tapered opening on the left side and penetrates out of the piston tube from the tapered opening on the right side, and accumulated liquid can be reduced to enter the piston tube through the tapered openings.

Furthermore, the dredging frame is a conical structure formed by four groups of flexible steel wires, the conical dredging frame with the flexible steel wire structure is convenient to enter the drainage tube, and the blockage in the drainage tube is cleaned.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:

1. the drainage tube is simple in structure, low in cost, convenient to use, disassemble and assemble, and further convenient to clean and disinfect, and meanwhile, the small air bag is continuously pressed to continuously drive the dredging frame to penetrate into the drainage tube, so that the drainage tube is dredged, and the drainage effect of accumulated liquid is improved.

2. According to the invention, through the design of the buffering ball body, a conical structure is formed among the liquid outlet pipe, the liquid inlet pipe, the threaded pipe and the buffering ball body, so that accumulated liquid can conveniently enter the liquid outlet pipe from the liquid inlet pipe, a plastic strip can conveniently drive the dredging frame to penetrate into the drainage pipe, and a certain suck-back effect can be realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the interface structure between the liquid accumulation bottle and the cap body according to the present invention;

FIG. 3 is a schematic view of the buffer sphere interface structure of the present invention;

FIG. 4 is a schematic illustration of a piston tube configuration of the present invention;

FIG. 5 is an enlarged schematic view of the structure at A of the present invention;

FIG. 6 is a schematic cross-sectional view of a piston tube of the present invention;

FIG. 7 is an enlarged view of the structure at B of the present invention;

the reference numerals in the drawings denote: 1-liquid accumulation bottle; 2-a cover body; 3-a negative pressure conduit; 4-a drainage tube; 5-hydrops conduit; 6-buffer sphere; 7-a liquid outlet pipe; 8-a liquid inlet pipe; 9-a threaded pipe; 10-a piston tube; 11-a piston; 12-a spring; 13-a plastic strip; 14-dredging frame; 15-small air bag; 16-an air inlet; 17-a baffle; 18-big air bag; 19-one-way air outlet valve mouth; 20-one-way air inlet valve mouth; 21-a limit way; 22-conical mouth.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

The improved thoracic surgery special drainage device of the embodiment is shown in figures 1 to 7: comprises a liquid accumulation bottle 1, a cover body 2 which is connected with the upper end of the liquid accumulation bottle 1 by screw thread, a negative pressure air bag component and a drainage tube 4 which are communicated with the liquid accumulation bottle 1 by a negative pressure conduit 3, the right end of the negative pressure conduit 3 passes through the cover body 2 and extends into the upper part of the liquid accumulation bottle 1, the left part of the cover body 2 is provided with a liquid accumulation conduit 5, the left end of the liquid accumulation conduit 5 passes through the cover body 2 and extends into the upper part of the liquid accumulation bottle 1, the right end of the liquid accumulation conduit 5 is connected with a buffer ball body 6, the lower part of the buffer ball body 6 is provided with a liquid outlet pipe 7 which is in interference fit with the right end of the liquid accumulation conduit 5, the right part of the buffer ball body 6 is provided with a liquid inlet pipe 8 which is in interference fit with the left end of the drainage tube 4, the left part of the buffer ball body 6 is connected with a dredging, The dredging frame 14 arranged at the right end of the plastic strip 13 and the small air bag 15 in threaded connection with the left end of the piston tube 10 are arranged at the left end of the piston tube 10, the air inlet 16 matched with the small air bag 15 is arranged at the left end of the piston tube 10, and the right end of the plastic strip 13 penetrates out of the right end of the piston tube 10.

Wherein, the hydrops bottle 1 chooses transparent glass material for use, and its surface wall is provided with the scale mark, is convenient for observe the hydrops volume in the hydrops bottle 1 how much.

Wherein, 2 downside of lid are provided with

baffle

17, and 3 right-hand members of negative pressure pipe and 5 left ends of hydrops pipe are located baffle 17 left and right sides respectively, through baffle 17 separation negative pressure pipe 3 right-hand members and 5 left ends of hydrops pipe, avoid the hydrops from 5 left ends of hydrops pipe direct suction to negative pressure pipe 3 right-hand members in.

Wherein, the negative pressure gasbag subassembly includes big gasbag 18, the one-way air outlet valve mouth 19 of setting in big gasbag 18 downside and the one-way air inlet valve mouth 20 of setting between big gasbag 18 upside and negative pressure pipe 3 left end, mutually support through one-way air outlet valve mouth 19 and one-way air inlet valve mouth 20, when pressing big gasbag 18, the gas in the big gasbag 18 is discharged from one-way air outlet valve mouth 19, later under big gasbag 18 self return, make gas only can get into from one-way air inlet valve mouth 20, thereby inhale big gasbag 18 with the gas in the hydrops bottle 1, make produce the negative pressure in the hydrops bottle 1, and then absorb the hydrops in the patient's thorax.

Wherein, piston tube 10 right-hand member inner wall is provided with spacing way 21, and plasticity strip 13 passes and wears out spacing way 21, and is supplementary through spacing 12 to the spacing of plasticity strip 13 for plasticity strip 13 can only remove along piston tube 10 axis, thereby improves the stability that plasticity strip 13 removed.

Wherein, the limit way 21 all is provided with the bell mouth 22 on the left and right sides, and plastics strip 13 penetrates limit way 21 from left side bell mouth 22 to wear out piston tube 10 from right side bell mouth 22, through bell mouth 22, reducible hydrops gets into in the piston tube 10.

The dredging frame 14 is a conical structure formed by four groups of flexible steel wires, the conical dredging frame 14 with the flexible steel wire structure is convenient to enter the drainage tube 4, and the cleaning of blocked matters in the drainage tube 4 is improved.

When the drainage tube is used, the right end of the drainage tube 4 is placed in the chest cavity of a patient, the negative pressure air bag component is pressed, negative pressure is generated in the liquid accumulation bottle 1 through the negative pressure catheter 3, the liquid is extruded into the buffer ball body 6 through the drainage tube 4 and then is sucked into the liquid accumulation bottle 1 through the liquid accumulation catheter 5, and the right end of the negative pressure catheter 3 and the left end of the liquid accumulation catheter 5 are both positioned in the upper part of the liquid accumulation bottle 1, so that suck-back can be effectively prevented; if the drainage tube 4 is to be dredged, the small air bag 15 is pressed, air in the small air bag 15 enters the left part of the piston tube 10 through the air inlet 16, so that air pressure in the left part of the piston tube 10 is increased, the piston 11 is pushed to move rightwards, the spring 12 is stretched, the plastic strip 13 is driven to move rightwards at the same time, the right end of the plastic strip 13 enters the drainage tube 4 through the buffer ball body 6, the dredging frame 14 enters the drainage tube 4, blood clots and cellulose are attached to the dredging frame 14, then the small air bag 15 is loosened, the air moves towards the small air bag 15, the pressure in the left part of the piston tube 10 is reduced, the piston 11 is driven to move leftwards under the elastic recovery action of the spring 12, the dredging frame 14 is driven to move out of the drainage tube 4 through the plastic strip 13, so that a small amount of blood clots and cellulose are driven out of the drainage tube 4 and enter the buffer ball body 6, so that the plastic strip 13 continuously drives the dredging frame 14 to pierce into the drainage tube 4, and then the drainage tube 4 is dredged, thereby improving the drainage effect of the effusion.

After using up, take out drainage tube 4 from the patient thorax, can directly pull out drainage tube 4 and hydrops pipe 5 from buffering spheroid 6, later from buffering spheroid 6 the spiral take off piston tube 10, again from the piston tube 10 the spiral take off gasbag 15, again from hydrops bottle 1 the spiral take off lid 2 to realize the split of each part, and then be convenient for wash and disinfect.

The device has simple structure, low cost, convenient use, convenient disassembly and assembly and further convenient cleaning and disinfection, and simultaneously, the small air bag 15 is continuously pressed to drive the dredging frame 14 to penetrate into the drainage tube 4 so as to dredge the drainage tube 4, thereby improving the drainage effect of accumulated liquid; simultaneously through the design of buffering spheroid 6 for form the toper structure between drain pipe 7, feed liquor pipe 8 and screwed pipe 9 and the buffering spheroid 6, not only be convenient for the hydrops from the feed liquor pipe 8 get into in the drain pipe 7, be convenient for moreover in the plasticity strip 13 drives dredging frame 14 and pierces drainage tube 4, can play certain suck-back effect simultaneously.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. The utility model provides a special drainage device of improved generation thoracic surgery, including hydrops bottle (1), threaded connection lid (2) in hydrops bottle (1) upper end, negative pressure gasbag subassembly and drainage tube (4) through negative pressure pipe (3) intercommunication hydrops bottle (1), negative pressure pipe (3) right-hand member passes lid (2) and stretches into in hydrops bottle (1) upper portion, lid (2) left part is provided with hydrops pipe (5), hydrops pipe (5) left end passes lid (2) and stretches into in hydrops bottle (1) upper portion, its characterized in that: the right end of the effusion conduit (5) is connected with a buffer ball body (6), the lower part of the buffer ball body (6) is provided with a liquid outlet pipe (7) which is in interference fit with the right end of the effusion conduit (5), the right part of the buffer ball body (6) is provided with a liquid inlet pipe (8) which is in interference fit with the left end of the drainage pipe (4), the left part of the buffer ball body (6) is connected with a dredging component through a threaded pipe (9), the dredging component comprises a piston pipe (10), a piston (11) which is in movable fit in the piston pipe (10), a spring (12) which is arranged between the left side of the piston (11) and the inner wall of the left side of the piston pipe (10), a plastic strip (13) which is arranged on the right side of the piston (11), a dredging frame (14) which is arranged on the right end of the plastic strip (13) and a small air bag (15) which is in threaded connection with the left, the right end of the plastic strip (13) penetrates out of the right end of the piston tube (10).

2. The improved thoracic surgery drainage device as claimed in claim 1, wherein the liquid accumulation bottle (1) is made of transparent glass and has graduation lines on its outer surface.

3. The improved thoracic surgery drainage device as claimed in claim 1, wherein a baffle (17) is disposed on the lower side of the cover body (2), and the right end of the negative pressure conduit (3) and the left end of the effusion conduit (5) are respectively disposed on the left and right sides of the baffle (17).

4. The improved thoracic surgery drainage device as claimed in claim 1, wherein the negative pressure air bag assembly comprises a large air bag (18), a one-way air outlet valve nozzle (19) screwed on the lower side of the large air bag (18), and a one-way air inlet valve nozzle (20) arranged between the upper side of the large air bag (18) and the left end of the negative pressure conduit (3).

5. The improved thoracic surgery drainage device as claimed in claim 1, wherein the piston tube (10) is provided with a limiting passage (21) at the inner wall of the right end, and the plastic strip (13) passes through and out of the limiting passage (21).

6. The improved thoracic surgery drainage device as claimed in claim 5, wherein the left and right sides of the limiting channel (21) are provided with tapered openings (22), and the plastic strip (13) passes through the limiting channel (21) from the left tapered opening (22) and passes out of the piston tube (10) from the right tapered opening (22).

7. The improved thoracic surgery drainage device as claimed in claim 1, wherein the pull through frame (14) is configured as a conical structure of four groups of flexible steel wires.