LU500482B1

LU500482B1 - Pleural effusion drainage device

Info

Publication number: LU500482B1
Application number: LU500482A
Authority: LU
Inventors: Chen Yuan; Na Fang; Haiying Zhang; Yanli Wang
Original assignee: Qingdao Central Hospital
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-01-28

Abstract

Disclosed is a pleural effusion drainage device. A sliding cylinder is moved on the outer wall of a scale rod, the scale of the scale rod is observed through an observation hole, the sliding cylinder is locked through a bolt after the sliding cylinder is moved to the required scale, the interior of a cup is in a negative pressure state through an air pump, the effusion at the patient's chest enters the inner cavity of the cup, a floating plate floats and drives a floating rod to move up, a proximity switch controls the air pump to stop working when the top of the floating rod abuts against the proximity switch, and a check valve can ensure that the effusion in a hose does not flow back to the patient's pleural cavity, so the device has simple structure, strong practicability and high safety. A knob drives a screw to rotate, the screw drives a pressure block, and the pressure block squeezes the hose to control the drainage speed, so the device is convenient to use and easy to operate. In addition, the device is easy to disassemble and assemble, small in size and convenient to carry.

Description

PLEURAL EFFUSION DRAINAGE DEVICE LU500482

BACKGROUND OF THE INVENTION

[0001] 1. Technical Field

[0002] This patent relates to the technical field of drainage devices, and more specifically, relates to a pleural effusion drainage device.

[0003] 2. Description of Related Art

[0004] Pleural effusion drainage is one of the most direct and effective medical treatment means for pleural effusion patients in clinical diagnosis and treatment. The pleural effusion drainage is usually carried out multiple times, and each drainage volume and total drainage volume must be in accordance with the doctor's advice. Most of the existing drainage devices are unable to set the drainage volume, which may result in excessive drainage due to the leaving or negligence of the medical staff while waiting for the drainage, thus affecting patient's health. In addition, if the drainage speed is too fast, the relief of the patient's organ is too slow, and the loss of potassium ions is too fast. If the drainage speed is too slow, the treatment efficiency will be will affected. However, most of the existing pleural effusion drainage devices do not have the function of regulating the drainage speed.

BRIEF SUMMARY OF THE INVENTION

[0005] In view of the above problems, this patent proposes a pleural effusion drainage device, which solves the above problems in the related art.

[0006] In order to achieve the above objective, this patent adopts the following technical solution:

[0007] A pleural effusion drainage device, comprising a cup, wherein the bottom of a side wall of the cup is provided with a liquid outlet, a plug is inserted into an inner cavity of the liquid outlet, a stud is fixed to the top of the cup, the outer wall of the stud is | |;500482 screwed with a scale rod, the outer wall of the scale rod is connected with a sliding cylinder in a sliding manner, the right wall of the sliding cylinder is screwed with a bolt, the left end of the bolt abuts against the right side of the scale rod, the front wall of the sliding cylinder is provided with an observation hole, the observation hole corresponds to a scale line of the scale rod, a cross rod is fixed to the left wall of the sliding cylinder, and a proximity switch is fixed to the bottom of the cross rod;

[0008] A floating plate is attached to the bottom of the inner cavity of the cup, a floating rod is connected to the top of the floating plate, the top of the cup is provided with athrough hole, the side wall of the floating rod is attached to the inner wall of the through hole, the top of the floating rod is flush with the top of the cup, and the floating rod corresponds to the proximity switch; an air pump is connected to the top of the cup, and an air inlet of the air pump is communicated with the inner cavity of the cup; the side wall of the cup is provided with a liquid inlet, a liquid inlet tube is connected to the liquid inlet, the other end of the liquid inlet tube is connected with a hose, the other end of the hose is connected with a puncture needle, and the outer wall of the puncture needle is provided with a check valve.

[0009] Preferably, the side wall of the cup is provided with a handle, which can improve the convenience of use of the device.

[0010] Preferably, the material of the floating plate is foam plastic, which is lightweight and inexpensive, so that the cost of the device can be reduced and the floating plate floats more easily.

[0011] Preferably, the floating rod has a hollow structure, which can reduce the mass of the floating rod, so that the floating rod is easier to move.

[0012] Preferably, the pleural effusion drainage device further comprises a flow control assembly, the flow control assembly comprises a sliding sleeve, the sliding sleeve is sleeved on the outer wall of the hose, the right wall of the sliding sleeve is screwed with | 500482 a screw, a knob is connected to the right end of the screw, a pressure block is rotatably connected to the left end of the screw, the pressure block matches the hose, the front and rear walls of the sliding sleeve are provided with chutes, and the front and rear ends of the pressure block match the corresponding chutes.

[0013] The beneficial effects of this patent are:

[0014] This patent can control the volume of drainage, the sliding cylinder is moved on the outer wall of the scale rod according to the volume of drainage required, the scale of the scale rod is observed through the observation hole, the sliding cylinder is locked through the bolt after the sliding cylinder is moved to the required scale, the interior of the cup is in a negative pressure state through the air pump, the effusion at the patient's chest passes through the puncture needle and the check valve, enters the hose and then enters the inner cavity of the cup through the liquid inlet tube, the floating plate floats under the action of the effusion, the floating plate drives the floating rod to move up, the proximity switch controls the air pump to stop working when the top of the floating rod abuts against the proximity switch, and the check valve can ensure that the effusion in the hose does not flow back to the patient's pleural cavity, so the device has simple structure, strong practicability and high safety.

[0015] This patent is provided with the flow control assembly, the knob drives the screw to rotate, the screw rotates and drives the pressure block to move along the chutes, and the pressure block can squeeze the hose to control the drainage speed, so the device is convenient to use and easy to operate. In addition, the scale rod and the cup are connected by the stud, the sliding cylinder and the scale rod are connected in a sliding manner, and the hose is sleeved with the liquid inlet tube and the puncture needle, so the device is easy to disassemble and assemble, small in size and convenient to carry.

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS LU500482

[0016] In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the accompanying drawings required in the embodiments or the description of the prior art will be briefly introduced below.

Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, and a person of ordinary skill in the art can still derive other drawings according to these accompanying drawings without creative efforts.

[0017] Fig. 1 is a schematic structural diagram of a pleural effusion drainage device;

[0018] Fig. 2 is an enlarged view of À in Fig. 1;

[0019] Fig. 3 is a top view of a flow control assembly;

[0020] In the figures: 1 - cup, 101 - handle, 3 - plug, 4 - stud, 5 - scale rod, 6 - sliding cylinder, 7 - bolt, 8 - observation hole, 9 - cross rod, 10 - proximity switch , 11 - floating plate, 12 - floating rod, 13 - through hole, 14 - air pump, 15 - liquid inlet tube, 16 - hose, 17 - puncture needle, 18 - flow control assembly, 181 - sliding sleeve, 182 - screw, 183 - knob, 184 - pressure block, 185 - chute, 19 - check valve.

DETAILED DESCRIPTION OF THE INVENTION

[0021] To make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0022] Embodiment 1:

[0023] Referring to Fig. 1, this patent provides a technical solution: a pleural effusion drainage device comprises a cup 1, the bottom of a side wall of the cup 1 is provided with a liquid outlet, a plug 3 is inserted into an inner cavity of the liquid outlet, a | y500482 stud 4 is fixed to the top of the cup 1, the outer wall of the stud 4 is screwed with a scale rod 5, the outer wall of the scale rod 5 is connected with a sliding cylinder 6 in a sliding manner, the right wall of the sliding cylinder 6 is screwed with a bolt 7, the left end of the 5 bolt 7 abuts against the right side of the scale rod 5, the front wall of the sliding cylinder 6 is provided with an observation hole 8, the observation hole 8 corresponds to a scale line of the scale rod 5, a cross rod 9 is fixed to the left wall of the sliding cylinder 6, and a proximity switch 10 is fixed to the bottom of the cross rod 9;

[0024] A floating plate 11 is attached to the bottom of the inner cavity of the cup 1, a floating rod 12 is fixed to the top of the floating plate 11, the top of the cup 1 is provided with a through hole 13, the side wall of the floating rod 12 is attached to the inner wall of the through hole 13, the top of the floating rod 12 is flush with the top of the cup 1, and the floating rod 12 corresponds to the proximity switch 10; an air pump 14 is fixed to the top of the cup 1, and an air inlet of the air pump 14 is communicated with the inner cavity ofthe cup 1; the side wall of the cup 1 is provided with a liquid inlet, a liquid inlet tube 15 is fixed to the liquid inlet, the other end of the liquid inlet tube 15 is sleeved with a hose 16, the other end of the hose 16 is sleeved with a puncture needle 17, and the outer wall of the puncture needle 17 is provided with a check valve 19.

[0025] The side wall of the cup 1 is provided with a handle 101, which can improve the convenience of use of the device.

[0026] The material of the floating plate 11 is foam plastic, which is lightweight and inexpensive, so that the cost of the device can be reduced and the floating plate 11 floats more easily.

[0027] The floating rod 12 has a hollow structure, which can reduce the mass of the floating rod 12, so that the floating rod 12 is easier to move.

[0028] A specific application of this embodiment is:

[0029] When the device needs to be used, the sliding cylinder 6 is moved on the | 540480 outer wall of the scale rod 5 according to the volume of drainage required, the scale of the scale rod 5 is observed through the observation hole 8, the sliding cylinder 6 is locked through the bolt 7 after the sliding cylinder 6 is moved to the required scale, the puncture needle 17 is inserted into the patient's effusion site, air inside the cup 1 is extracted through the air pump 14, the interior of the cup 1 is in a negative pressure state, the effusion at the patient's chest passes through the puncture needle 17 and the check valve 19, enters the hose 16 and then enters the inner cavity of the cup 1 through the liquid inlet tube 15, the floating plate 11 floats under the action of the effusion, the floating plate 11 drives the floating rod 12 to move up, the proximity switch 10 controls the air pump 14 to stop working when the top of the floating rod 12 abuts against the proximity switch 10, and the check valve 19 can ensure that the effusion in the hose 16 does not flow back to the patient's pleural cavity; and the plug 3 can be opened to drain the effusion inside the cup 1 out of the inner cavity of the cup 1.

[0030] Embodiment 2:

[0031] Referring to Figs. 1-3, in order to control the drainage speed, the pleural effusion drainage device further comprises a flow control assembly 18, the flow control assembly 18 comprises a sliding sleeve 181, the sliding sleeve 181 is sleeved on the outer wall of the hose 16, the right wall of the sliding sleeve 181 is screwed with a screw 182, a knob 183 is fixed to the right end of the screw 182, a pressure block 184 is rotatably connected to the left end of the screw 182, the pressure block 184 matches the hose 16, the front and rear walls of the sliding sleeve 181 are provided with chutes 185, and the front and rear ends of the pressure block 184 match the corresponding chutes 185.

[0032] A specific application of this embodiment is:

[0033] When the drainage speed needs to be controlled, the knob 183 drives the screw 182 to rotate, the screw 182 rotates and drives the pressure block 184 to move along the chutes 185, and the pressure block 184 can squeeze the hose 16 to control the drainage | 500482 speed.

[0034] The electrical components used in this patent are all commercially available, so their specific structure and control mode are not repeated in the description.

[0035] It should be understood that although the present description is described in terms of the implementation, not every implementation includes only one separate technical solution, and such a description mode of the description is merely for the sake of clarity. A person skilled in the art should take the description as a whole, and the technical solutions in all the embodiments may be appropriately combined to form other implementations that can be understood by a person skilled in the art

Claims

CLAIMS LU500482

1.A pleural effusion drainage device, comprising a cup, wherein the bottom of a side wall of the cup is provided with a liquid outlet, a plug is inserted into an inner cavity of the liquid outlet, a stud is fixed to the top of the cup, the outer wall of the stud is screwed with a scale rod, the outer wall of the scale rod is connected with a sliding cylinder in a sliding manner, the right wall of the sliding cylinder is screwed with a bolt, the left end of the bolt abuts against the right side of the scale rod, the front wall of the sliding cylinder is provided with an observation hole, the observation hole corresponds to a scale line of the scale rod, a cross rod is fixed to the left wall of the sliding cylinder, and a proximity switch is fixed to the bottom of the cross rod; a floating plate is attached to the bottom of the inner cavity of the cup, a floating rod is connected to the top of the floating plate, the top of the cup is provided with a through hole, the side wall of the floating rod is attached to the inner wall of the through hole, the top of the floating rod is flush with the top of the cup, and the floating rod corresponds to the proximity switch; an air pump is connected to the top of the cup, and an air inlet of the air pump is communicated with the inner cavity of the cup; the side wall of the cup is provided with a liquid inlet, a liquid inlet tube is connected to the liquid inlet, the other end of the liquid inlet tube is connected with a hose, the other end of the hose is connected with a puncture needle, and the outer wall of the puncture needle is provided with a check valve.

2. The pleural effusion drainage device according to claim 1, the side wall of the cup is provided with a handle, which can improve the convenience of use of the device.

3.The pleural effusion drainage device according to claim 1, the material of the floating plate is foam plastic, which is lightweight and inexpensive, so that the cost of the device can be reduced and the floating plate floats more easily.

4.The pleural effusion drainage device according to claim 1, the floating rod has a hollow structure, which can reduce the mass of the floating rod, so that the floating rod is easier to | |;500482 move.

5.The pleural effusion drainage device according to claim 1, the pleural effusion drainage device further comprises a flow control assembly, the flow control assembly comprises a sliding sleeve, the sliding sleeve is sleeved on the outer wall of the hose, the right wall of the sliding sleeve is screwed with a screw, a knob is connected to the right end of the screw, a pressure block is rotatably connected to the left end of the screw, the pressure block matches the hose, the front and rear walls of the sliding sleeve are provided with chutes, and the front and rear ends of the pressure block match the corresponding chutes.