CN217286637U

CN217286637U - Water-sealed thoracic drainage device

Info

Publication number: CN217286637U
Application number: CN202220578009.0U
Authority: CN
Inventors: 于洁; 陈诚豪; 张娜; 曾骐; 严冬; 徐长琪; 刘鼎义; 张谦; 张旭
Original assignee: Beijing Childrens Hospital
Current assignee: Beijing Childrens Hospital
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-08-26
Anticipated expiration: 2032-03-16

Abstract

The utility model provides a water seal thorax drainage device, it has solved the inconvenient scheduling problem of thorax drainage sample, it includes the drainage ware main part, the inside hydrops chamber that is provided with of drainage ware main part, hydrops chamber and water seal chamber and pressure regulating chamber communicate in proper order, the drainage ware main part is external to have the drainage pipeline with hydrops chamber intercommunication, drainage ware main part upper end is installed with the negative pressure release mechanism of hydrops chamber intercommunication, drainage ware main part upper end is installed and is released the mechanism with the malleation of pressure regulating chamber intercommunication, water seal chamber and pressure regulating chamber are equipped with water level indication mechanism respectively, the hydrops chamber is equipped with sampling mechanism. The utility model has the advantages of convenient sampling, stable structure and the like.

Description

Water-sealed thoracic drainage device

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to water seal thorax drainage device.

Background

After the thoracotomy, because huge cavity is remained in the chest after the organ is excised, the pressure in the chest is increased, in order to rebuild the negative pressure environment in the chest, negative pressure needs to be formed in the chest through breathing, cough exhaust and other modes after the thoracotomy, the negative pressure state in the chest before the operation is recovered, and the rest lung is promoted to be reopened. Closed thoracic drainage is a drainage tube with one end placed in the thoracic cavity and the other end connected to a water-sealed bottle at a lower position to discharge air or collect fluid in the thoracic cavity, so that lung tissues are re-opened to restore functions. However, in the actual operation process, the negative pressure of the existing drainage device is inconvenient to adjust, and the negative pressure in the thoracic cavity cannot be accurately controlled. In addition, the current drainage device sample inconveniently, and the inside negative pressure of device is stable when can't keeping taking a sample.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent document discloses an improved thoracic closed drainage device [201820292142.3], which comprises a bottle body, a liquid and gas-filled liquid assembly and a gas storage bag, wherein the liquid and gas assembly and the gas storage bag are detachably connected to the bottle body, a plurality of chambers are formed in the bottle body in a separated manner, and the chambers are respectively from one side to the other side of the bottle body: hydrops chamber, water seal pipe, water seal chamber, pressure regulating chamber and pressure regulating pipe.

Above-mentioned scheme has solved the inconvenient problem of drainage device pressure adjustment to a certain extent, but this scheme still has a great deal of not enough, for example inconvenient to take a sample scheduling problem to the interstitial fluid.

Disclosure of Invention

The utility model aims at the above problem and provides a water-sealed thoracic drainage device which has reasonable design and is convenient for sampling.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this water seal thorax drainage device, including the drainage ware main part, the inside hydrops chamber that is provided with of drainage ware main part, hydrops chamber and water seal chamber and pressure regulating chamber communicate in proper order, the drainage ware main part is external to have the drainage pipeline with hydrops chamber intercommunication, the negative pressure release mechanism with hydrops chamber intercommunication is installed to drainage ware main part upper end, the malleation release mechanism with pressure regulating chamber intercommunication is installed to drainage ware main part upper end, water seal chamber and pressure regulating chamber are equipped with water level indicating mechanism respectively, the hydrops chamber is equipped with sampling mechanism. The sampling mechanism is convenient to perform liquid pumping and sampling from the dropsy cavity, and the equipped positive pressure releasing mechanism and negative pressure releasing mechanism keep the internal pressure of the dropsy cavity stable and do not influence the normal drainage of the dropsy cavity.

In foretell water seal thorax drainage device, water level indication mechanism is including setting up in drainage ware main part side and the negative pressure monitoring window relative with the pressure regulating chamber, and water seal chamber and pressure regulating chamber are equipped with independent water line respectively. The negative pressure monitoring window in the water level indicating mechanism is used for observing the water column heights in the water seal cavity and the pressure regulating cavity from the outside, so that the negative pressure of the water level indicating mechanism can be controlled conveniently.

In the above water-sealed thoracic drainage device, the hydrops chamber includes a first chamber, a second chamber and a third chamber which are adjacently arranged and have upper ends mutually communicated, liquid level scales on the first chamber, the second chamber and the third chamber are continuously arranged from bottom to top, and the volume of the hydrops chamber is 400-1000 mL. A plurality of cavitys of hydrops intracavity portion communicate each other, and the drainage volume is conveniently observed to the instruction scale of its outfit.

In foretell water seal thorax drainage device, sampling mechanism is including setting up the sampling hole in drainage ware main part side and with hydrops chamber intercommunication, and the sampling hole is sealed by the block rubber. The rubber block in the sampling hole is used for inserting the needle head, and the sampling hole is automatically closed after the needle head is pulled out, so that the sealing performance is better. (the sampling hole is arranged on the side wall of the main body of the flow diverter and communicated with the hydrops cavity, as the reference number 91 in figure 1)

In the above water-sealed thoracic drainage device, the negative pressure release mechanism includes a negative pressure release valve disposed at an upper end of the hydrops chamber, and a valve nozzle of the negative pressure release valve is equipped with a valve cap. The negative pressure releasing mechanism can be manually opened to quickly reduce the negative pressure in the hydrops cavity. (the negative pressure release valve does not need to consider the specific structure, belongs to the prior art, only controls the communicating between the hydropneumatic chamber and the outside, and the working principle does not need to be explained specifically)

In the above water-sealed thoracic drainage device, the positive pressure release mechanism includes a positive pressure release valve disposed at the upper end of the drainage device main body and communicated with the pressure regulating cavity, and the positive pressure release valve is equipped with an adjusting knob. The positive pressure releasing mechanism is used for maintaining the negative pressure inside the pressure regulating cavity, and meets the thoracic drainage requirements of different patients. (the positive pressure relief valve is used for regulating the pressure in the pressure regulating cavity, the working principle is consistent with the conventional pressure regulating valve body unless further improvement is provided)

In the water-sealed thoracic drainage device, the backflow prevention valve is arranged between the hydrops cavity and the water-sealed cavity, and the lower end of the water-sealed cavity is communicated with the pressure regulating cavity. The backflow prevention valve prevents liquid from flowing back into the drainage pipeline to cause thoracic cavity infection.

In the water-seal thoracic drainage device, the joint of the drainage pipeline and the drainage device main body is sleeved with the corrugated pipe, and the length of the drainage pipeline is not less than 900 mm. The corrugated pipe plays a good role in protecting the drainage pipeline and avoids excessive bending of the drainage pipeline.

In foretell water seal thorax drainage device, drainage ware main part upper end is provided with the handle and the lower extreme is fixed with the spike, and drainage ware main part both sides are provided with the lifting hook. The drainage device main body can be held by hand or placed in a hanging way, and is suitable for fixing the position under different environments.

In the above water-sealed thoracic drainage device, the upper end of the drainage device main body is provided with a water injection port communicated with the pressure regulating cavity. The water filling port is used for filling water towards the pressure regulating cavity, and the water quantity is added to the indicated water level line, so that the operation is convenient.

Compared with the prior art, the utility model has the advantages of: the sampling mechanism of the drainage device main body is provided with a positive and negative pressure release mechanism to ensure the sampling stability; the water level indicating mechanism is convenient for observing the water level heights in the water seal cavity and the pressure regulating cavity and judging the negative pressure conveniently; the backflow prevention valve is arranged, so that liquid backflow is effectively prevented.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a partial schematic view of the present invention;

fig. 3 is another partial schematic view of the present invention;

in the figure, the drainage device comprises a drainage device body 1, a lifting handle 11, a supporting foot 12, a lifting hook 13, a water filling port 14, a dropsy cavity 2, a first cavity 21, a second cavity 22, a third cavity 23, a water seal cavity 3, an anti-backflow valve 31, a pressure regulating cavity 4, a drainage pipeline 5, a corrugated pipe 51, a negative pressure release mechanism 6, a negative pressure release valve 61, a valve cap 62, a positive pressure release mechanism 7, a positive pressure release valve 71, a water level indicating mechanism 8, a negative pressure monitoring window 81, a sampling mechanism 9 and a sampling hole 91.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, this water seal thorax drainage device, including drainage ware main part 1, drainage ware main part 1 is inside to be provided with hydrops chamber 2, hydrops chamber 2 communicates with water seal chamber 3 and pressure regulating chamber 4 in proper order, drainage ware main part 1 is external to have the drainage pipeline 5 with hydrops chamber 2 intercommunication, negative pressure release mechanism 6 with hydrops chamber 2 intercommunication is installed to drainage ware main part 1 upper end, malleation release mechanism 7 with pressure regulating chamber 4 intercommunication is installed to drainage ware main part 1 upper end, water seal chamber 3 and pressure regulating chamber 4 are equipped with water level indicating mechanism 8 respectively, hydrops chamber 2 is equipped with sampling mechanism 9. The negative pressure in the pressure regulating cavity 4 is adjusted through the positive pressure releasing mechanism 7, the pressure difference is observed through the water level indicating mechanism 8, then the drainage pipeline 5 of the drainage device main body 1 guides the tissue fluid in the thoracic cavity, an operator conducts fluid pumping sampling on the hydrops cavity 2 through the sampling mechanism 9, and the negative pressure is kept stable through the adjustment of the negative pressure releasing mechanism 6 and the positive pressure releasing mechanism 7 when the liquid level drops.

Specifically, the water level indicating mechanism 8 includes a negative pressure monitoring window 81 disposed on the side of the flow diverter body 1 and opposite to the pressure regulating cavity 4, and the water sealing cavity 3 and the pressure regulating cavity 4 are respectively equipped with independent water level lines. The negative pressure monitoring window 81 is a transparent observation port, and water is injected towards the water seal cavity 3 and the pressure regulating cavity 4 until the water level reaches the water level line.

Deeply, the dropsy cavity 2 comprises a first cavity 21, a second cavity 22 and a third cavity 23 which are adjacently arranged and the upper ends of which are mutually communicated, liquid level scales on the first cavity 21, the second cavity 22 and the third cavity 23 are continuously arranged from bottom to top, and the capacity of the dropsy cavity 2 is 400-1000 mL. The hydropathy cavity 2 has the specifications of 400 mL, 500 mL, 600 mL, 800 mL, 1000mL and the like, wherein the capacity of the first cavity 21 is smaller than that of the second cavity 22 and the third cavity 23, so that scale refinement is realized, and the tissue fluid volume can be conveniently and accurately observed.

Further, sampling mechanism 9 is including setting up in drainage ware main part 1 side and with the sampling hole 91 of hydrops chamber 2 intercommunication, sampling hole 91 is sealed by the block rubber. Sampling hole 91 is relative with first cavity 21, second cavity 22 and third cavity 23 respectively, carries out the layering sampling to hydrops chamber 2, is in enclosed state under the rubber block conventional state of sampling hole 91, avoids outside air to get into hydrops chamber 2 from sampling hole 91 during the syringe needle sample. (concrete Structure and position of sampling hole 91)

Further, the negative pressure releasing mechanism 6 includes a negative pressure releasing valve 61 provided at an upper end of the liquid accumulation chamber 2, and a valve nozzle of the negative pressure releasing valve 61 is equipped with a valve cap 62. After the negative pressure release valve 61 of the negative pressure release mechanism 6 is opened, the air pressure in the dropsy cavity 2 is quickly reduced to the atmospheric pressure, and then the dropsy cavity 2 is closed, so that the disposable drainage device main body 1 is treated uniformly. (the negative pressure release valve 61 still adopts the conventional valve port structure, and the opening and the closing are controlled by the valve cap 62)

Besides, the positive pressure release mechanism 7 comprises a positive pressure release valve 71 which is arranged at the upper end of the flow diverter main body 1 and is communicated with the pressure regulating cavity 4, and the positive pressure release valve 71 is equipped with an adjusting knob. The adjusting knob is rotated to realize the on-off of the positive pressure release valve 71 and control the flow. (the positive pressure release valve 71 adopts a knob structure, and is consistent with a conventional pressure regulating valve)

Meanwhile, an anti-backflow valve 31 is arranged between the liquid accumulation cavity 2 and the water seal cavity 3, and the lower end of the water seal cavity 3 is communicated with the pressure regulating cavity 4. The backflow prevention valve 31 prevents liquid in the hydrops cavity 2 from flowing back into the thoracic cavity, and the use safety is improved.

Visibly, the corrugated pipe 51 is sleeved at the joint of the drainage pipeline 5 and the drainage device body 1, and the length of the drainage pipeline 5 is not less than 900 mm. The drainage pipeline 5 is prolonged, and the position of the drainage device main body 1 is convenient to adjust.

Obviously, the upper end of the drainage device body 1 is provided with a handle 11, the lower end of the drainage device body is fixed with a supporting leg 12, and two sides of the drainage device body 1 are provided with lifting hooks 13. The handle 11, the supporting feet 12 and the lifting hook 13 are used for fixing the position of the flow diverter body 1, wherein a passage is arranged inside the handle 11 to realize the communication between the hydrops cavity 2 and the water seal cavity 3.

Preferably, the upper end of the flow diverter body 1 is provided with a water injection port 14 communicated with the pressure regulating cavity 4. The water injection port 14 of the drainage device body 1 is sealed by a plug body, so that external foreign matters are prevented from invading the pressure regulating cavity 4.

In summary, the principle of the present embodiment is: the hydrops chamber 2 of drainage ware main part 1 inside is under the negative pressure effect of water seal chamber 3 and pressure regulating chamber 4, through drainage tube 5 with the leading-in hydrops chamber 2 of thorax tissue liquid in, sampling hole 91 is used for the needle body to insert the sampling, and negative pressure release mechanism 6 and malleation release mechanism 7 maintain inside negative pressure stable.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the flow diverter body 1, the handle 11, the supporting foot 12, the lifting hook 13, the water filling port 14, the dropsy cavity 2, the first cavity 21, the second cavity 22, the third cavity 23, the water seal cavity 3, the backflow prevention valve 31, the pressure regulating cavity 4, the drainage pipeline 5, the corrugated pipe 51, the negative pressure release mechanism 6, the negative pressure release valve 61, the valve cap 62, the positive pressure release mechanism 7, the positive pressure release valve 71, the water level indicating mechanism 8, the negative pressure monitoring window 81, the sampling mechanism 9, the sampling hole 91 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any one of the additional limitations of the present invention.

Claims

1. The utility model provides a water seal thorax drainage device, includes drainage ware main part (1), drainage ware main part (1) inside be provided with hydrops chamber (2), hydrops chamber (2) and water seal chamber (3) and pressure regulating chamber (4) communicate in proper order, drainage ware main part (1) be external have with drainage pipeline (5) of hydrops chamber (2) intercommunication, a serial communication port, drainage ware main part (1) upper end install negative pressure release mechanism (6) with hydrops chamber (2) intercommunication, drainage ware main part (1) upper end install malleation release mechanism (7) with pressure regulating chamber (4) intercommunication, water seal chamber (3) and pressure regulating chamber (4) be equipped with water level indicating mechanism (8) respectively, hydrops chamber (2) be equipped with sampling mechanism (9).

2. The water-sealed thoracic drainage device of claim 1, wherein the water level indicating mechanism (8) comprises a negative pressure monitoring window (81) disposed at a side of the flow diverter body (1) and opposite to the pressure regulating cavity (4), and the water-sealed cavity (3) and the pressure regulating cavity (4) are respectively equipped with independent water level lines.

3. The water-sealed thoracic drainage device according to claim 2, wherein the hydrops chamber (2) comprises a first chamber (21), a second chamber (22) and a third chamber (23) which are adjacently arranged and have mutually communicated upper ends, liquid level scales on the first chamber (21), the second chamber (22) and the third chamber (23) are continuously arranged from bottom to top, and the volume of the hydrops chamber (2) is 400-1000 mL.

4. The water-sealed thoracic drainage device according to claim 1, wherein the sampling mechanism (9) comprises a sampling hole (91) which is arranged on the side surface of the drainage device body (1) and communicated with the hydropathy cavity (2), and the sampling hole (91) is closed by a rubber block.

5. The water-sealed thoracic drainage device of claim 1, wherein the negative pressure release mechanism (6) comprises a negative pressure release valve (61) disposed at an upper end of the hydropneumatic chamber (2), and a valve mouth of the negative pressure release valve (61) is equipped with a valve cap (62).

6. The water-sealed thoracic drainage device of claim 1, wherein the positive pressure release mechanism (7) comprises a positive pressure release valve (71) disposed at the upper end of the drainage device body (1) and communicated with the pressure regulating cavity (4), and the positive pressure release valve (71) is equipped with an adjusting knob.

7. The water-sealed thoracic drainage device according to claim 1, wherein an anti-backflow valve (31) is arranged between the hydrops chamber (2) and the water-sealed chamber (3), and the lower end of the water-sealed chamber (3) is communicated with the pressure-regulating chamber (4).

8. The water seal thoracic drainage device according to claim 1, wherein a corrugated pipe (51) is sleeved at the joint of the drainage pipeline (5) and the drainage device body (1), and the length of the drainage pipeline (5) is not less than 900 mm.

9. The water-sealed thoracic drainage device according to claim 1, wherein a handle (11) is arranged at the upper end of the drainage device body (1), a supporting leg (12) is fixed at the lower end of the drainage device body, and lifting hooks (13) are arranged on two sides of the drainage device body (1).

10. The water-sealed thoracic drainage device according to claim 1, wherein a water injection port (14) communicated with the pressure regulating cavity (4) is provided at the upper end of the drainage device body (1).