CN213374182U - Collecting device for negative pressure drainage - Google Patents

Abstract

The utility model discloses a collecting device for negative pressure drainage, including collecting container, drainage tube and separator, the collection container is linked together through drainage tube and separator. The drainage tube has two cavities, be drainage chamber and the chamber of ventilating respectively. The drainage pipeline of the separator can be provided with one joint or a plurality of joints; each joint is connected with a drainage tube connected with the thoracic cavity of the human body. Has the advantages that: the blocked drainage pipeline can be flushed, medical personnel do not need to manually dredge, and convenience are realized; meanwhile, the air pressure value in the chest cavity of the patient can be accurately monitored in real time, and accurate data are provided for treatment of the patient.

Description

Collecting device for negative pressure drainage

Technical Field

The utility model relates to the field of medical equipment, more specifically say that it relates to a collecting device for negative pressure drainage.

Background

Closed thoracic drainage or wound drainage is a common clinical operation in thoracic surgery, and is an effective method for treating empyema, traumatic hemothorax, pneumothorax and spontaneous pneumothorax. At present, the drainage device of the pleural effusion in China mainly comprises drainage bag drainage, water-sealed bottle negative pressure drainage and the like, and the drainage mode is also divided into an intercostal tubule intubation method, an intercostal thick tube intubation method and a ribbed bed intubation method according to the illness state of a patient. These methods mainly use the traditional way of manual syringe extraction. But there is the shortcoming in current drainage device and drainage mode, as follows:

1. the drainage bag drainage and the water seal bottle drainage can not regulate the negative pressure of the thoracic cavity of the patient, and are not beneficial to the recovery of the patient.

2. The easy pustule, the clot that drains in the thorax of the pipeline of current pleural effusion drainage ware block up to can't reach the effect that lasts the drainage, need medical personnel manually to dredge the pipeline this moment, bring very big inconvenience for medical personnel.

SUMMERY OF THE UTILITY MODEL

To the deficiencies of the prior art, an object of the present invention is to provide a collecting device for negative pressure drainage, which can solve the above mentioned technical problems.

The above technical purpose of the present invention can be achieved by the following technical solutions: the collecting device for negative pressure drainage comprises a collecting container, a drainage tube and a separator, wherein the collecting container is communicated with the separator through the drainage tube;

the collecting container comprises a container body, a collecting cavity is arranged in the container body, a collecting hole and an air vent are arranged in the collecting cavity, a collecting interface which is respectively communicated with the collecting hole and the air vent is arranged outside the container body, an auxiliary interface which is communicated with a drainage flushing system and a drainage interface which is communicated with a negative pressure measuring and controlling system are respectively arranged on the end surface of the container body, the auxiliary interface is communicated with the air vent, and the drainage interface is communicated with the collecting cavity;

the drainage tube comprises a drainage cavity and a ventilation cavity, the drainage cavity is communicated with the collection hole, and the ventilation cavity is communicated with the ventilation hole;

the separator includes upper cover, lower cover and barrier film, upper cover and lower cover lock joint and both combine to be formed with the isolation chamber, the integrative drainage tube that is provided with is covered down, the inside of drainage tube one end is provided with the gaseous end cap of shutoff and sets up and keeps apart the through-hole of chamber intercommunication, the barrier film is arranged in the isolation chamber and sets up with the inner wall laminating of lower cover, the lower cover is opened and is equipped with intercommunication drainage tube and the interface of keeping apart the chamber, be provided with the one-way closure that can open or close on the barrier film, one-way closure is located the interface, and when the atmospheric pressure value of keeping apart the chamber was higher than the atmospheric pressure value of drainage tube, then one-way closure opened the intercommunication and keeps apart chamber and drainage tube.

One end of a drainage pipeline of the separator is connected with the drainage pipe, and the other end of the drainage pipeline can be provided with a joint or a plurality of joints; each joint is connected with a drainage tube connected with the thoracic cavity of the human body. By adopting the device, a drainage connecting pipe is inserted into the thoracic cavity or wound surface of a patient, liquid secretion flows to a drainage cavity of a drainage pipe through the drainage connecting pipe and a separator, and then enters a collection container from the drainage cavity; if in the drainage process, the drainage cavity is blocked due to pustules and blood clots, the electromagnetic valve is opened, external gas enters, the electromagnetic valve, the far-end three-way joint, the ventilation cavity of the drainage tube and the isolation cavity of the separator sequentially pass through, when the air pressure value of the isolation cavity is greater than the air pressure value of the drainage channel, the one-way sealer is opened, the gas enters the drainage cavity, and finally the drainage tube is washed.

Further limit, be located the upper region of collection chamber be provided with and block the collection intracavity liquid receive external force influence from the baffle that gushes out from below to the top, the baffle extends downwards along the horizontal slope of vessel from its link, and the free end of this baffle extends perpendicularly downwards has the baffle, a clearance has between the inside wall of baffle and vessel.

It is further defined that a riser is located in the central region of the collection chamber and extends vertically downward from the bottom of the partition, a distance being left between the riser and the bottom of the container body, the riser extending in the longitudinal direction of the container body and over the depth of the entire container body.

Further limit, the barrier film includes round shape spacing piece and rectangular form connection piece, set up on the connection piece with the opening of through-hole intercommunication, and the outside that is located the opening is provided with the sealing.

Further limit, the upper cover comprises a circular cover plate and a long-strip-shaped connecting part, an upwards protruding sealing ring is arranged on the cover plate, and an air passage communicated with the isolation cavity is formed in the connecting part.

Further defined, the cross section of the sealing part is in a shape like a Chinese character 'tu'.

Further limit, the drainage pipeline is provided with a collection hole for collecting liquid secretion.

Further defined, a filter is disposed within the auxiliary interface.

Further limit, be provided with the relief valve on the container body.

Further inject, the inside diapire of vessel body is last and be located the both sides of riser and be provided with the strengthening rib respectively, the strengthening rib upwards extends and crosses the interval of riser and vessel body's inside diapire.

To sum up, the utility model discloses following beneficial effect has: by adopting the device, the blocked drainage pipeline can be washed, the medical staff is not needed to manually dredge, and the device is convenient and convenient; meanwhile, the air pressure value in the chest cavity of the patient can be accurately monitored in real time, and accurate data are provided for treatment of the patient.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view showing the construction of the left container body of the present embodiment;

FIG. 3 is a schematic structural view of a collecting container according to the present embodiment;

FIG. 4 is a partial enlarged view of the present embodiment;

FIG. 5 is a schematic view showing the structure of the draft tube of the present embodiment;

FIG. 6 is a schematic structural view of a separator according to the present embodiment;

FIG. 7 is a schematic diagram of the left side of the separator of this embodiment;

FIG. 8 is a schematic structural view of a lower cover of the separator according to the present embodiment;

FIG. 9 is a schematic structural view of a separation film according to the present embodiment;

FIG. 10 is a schematic structural view of the upper cover of the separator in this embodiment;

FIG. 11 is a schematic view of the structure of the separator lower cover and the isolation membrane according to this embodiment;

description of the drawings: 2. a collection container; 3. a drainage tube; 4. a separator; 21. a container body; 211. a left container body; 212. a right cover body; 22. a collection interface; 23. a drainage interface; 24. an auxiliary interface; 25. a collection chamber; 251. a collection well; 252. a vent hole; 253. a plug; 26. a partition plate; 27. a blocking plate; 28. a guide plate; 29. reinforcing ribs; 254. a vertical plate; 5. A filter; 6. a pressure relief valve; 31. a drainage lumen; 32. a vent lumen; 41. a lower cover; 42. an upper cover; 43. an isolation film; 411. a cover body; 412. a bonding section; 413. a drainage conduit; 414. buckling grooves; 421. a cover sheet; 422. a connecting portion; 423. buckling edges; 424. an isolation chamber; 44. a through hole; 45. a sealing block; 46. a card slot; 47. an interface; 48. a one-way sealer; 431. a separator; 432. connecting sheets; 433. a port; 434. a sealing part; 421. a cover sheet; 422. a connecting portion; 423. a seal ring; 424. an airway.

Detailed Description

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

Referring to fig. 1 to 4, the collecting apparatus for negative pressure drainage includes a collecting container 2, a drainage tube 3, and a separator 4, the collecting container 2 communicating with the separator 4 through the drainage tube 3.

The collecting container 2 comprises a container body 21, and the container body 21 is divided into a left container body 211 and a right cover body 212 which are detachably connected. A collecting interface 22 is arranged on the top of the left container body 211, and the collecting interface 22 is used for connecting the drainage tube 3. The right cover body 212 is provided with a drainage port 23 and an auxiliary port 24. In order to filter bacteria, a filter 5 is respectively arranged on the drainage port 23 and the auxiliary port 24; this filter 5 not only can filter the bacterium but also meets water and seals, plays the effect of shutoff.

The container body 21 has a collection chamber 25 therein. A collection hole 251 and a vent hole 252 are provided in the collection chamber 25, and the vent hole 252 is located above the collection hole 251. The collection interface 22 is respectively communicated with the collection hole 251 and the vent hole 252; referring to fig. 4, a plug 253 is also provided in the collection port 22 for closing the chamber at the upper end inside the drain tube 3. The chamber is used for ventilation, so that the chamber is provided with a through hole 433 which is communicated with the ventilation hole 252. In order to filter bacteria during ventilation, a filter 5 is provided in the ventilation hole 252. The drainage lumen 31 communicates with the collection aperture 251 and the vent lumen 32 communicates with the vent aperture 252.

Referring to fig. 2-3, the auxiliary port 24 is communicated with the vent 252, the drainage port 23 is communicated with the collection chamber 25, and a partition 26 for blocking liquid in the collection chamber 25 from gushing out from the lower part to the upper part under the influence of external force is arranged in the upper area of the collection chamber 25. The partition 26 extends downward from the connecting end thereof in a lateral direction of the vessel body 21, and the free end of the partition 26 extends vertically downward with a stopper plate 27, the stopper plate 27 being spaced apart from the inner side wall of the vessel body 21. Below the collecting hole 251, a guide plate 28 is provided to guide the liquid to flow out downward. The guide plate 28 not only functions to guide the liquid but also functions to block the backflow of the liquid. Leave the certain interval between the bottom of riser 254 and vessel 21, the riser 254 has seted up the opening along its vertical direction on the vertical extension of vessel 21 and the riser. The collection chamber 25 is divided into two chambers by the riser 254. This opening is intended to open the entire collection chamber 25; the secretion is prevented from being accumulated in a half cavity of the collecting cavity 25, and the gas is not easy to be discharged from the inside.

Referring to fig. 2 to 3, the container body 21 is provided with reinforcing ribs 29 on the inner bottom wall thereof on both sides of the vertical plate 254. The bead 29 extends upwardly beyond the spacing of the riser 254 from the interior bottom wall of the container body 21. The partition 26, the vertical plate 254 and the reinforcing ribs 29 form a labyrinth structure in the container body 21 to prevent the liquid from flowing out.

The container body 21 is provided with a relief valve 6. When the air pressure inside the container body 21 reaches a certain air pressure value, the relief valve 6 is opened to relieve the pressure. A filter 5 is arranged in the pressure relief valve 6.

The separator 4 includes a lower cover 41, an upper cover 42, and a separation film 43. Referring to fig. 9, the lower cover 41 has a cover 411 having a circular shape and a coupling portion 412 having an elongated shape; the lower cover 41 is provided with a tubular drainage pipeline 413, and the lower cover 41 and the drainage pipeline 413 are integrally manufactured through a mold. Three catching grooves 414 are formed on the circumferential surface of the cover 411 at equal intervals.

Referring to FIG. 5, the draft tube 3 has two chambers, a draft lumen 31 and a vent lumen 32. One end of the drainage tube 3 is connected to the collection interface 22 of the collection container 2, and the other end is connected to the drainage tube 413 of the separator 4. The other end of the drainage conduit 413 of the separator 4 may be provided with a joint or joints; each joint is connected with a drainage tube 3 connected with the thoracic cavity of the human body.

Referring to fig. 10, the upper cover 42 has a circular cover sheet 421 and elongated connecting portions 422; the outer edge of the cover sheet 421 has a ring-shaped fastening edge 423. The cover sheet 421 is provided with a sealing ring 425 protruding upwards, and the connecting portion 422 is provided with an air passage 426 communicated with the isolation cavity 424. The lower cover 41 and the upper cover 42 are connected with the buckling edge 423 through the buckling groove 414, and the isolation cavity 424 is formed by combining the two. Referring to fig. 11, the isolation diaphragm 43 is located in the isolation chamber 424 and is disposed to be attached to the inner wall of the lower cover 41.

Referring to fig. 7, a plug for blocking gas is disposed inside one end of the drainage pipe 413, and a through hole 44 communicated with the isolation chamber 424 is disposed at the lower end of the drainage pipe. The drainage tube 3 is butted with the drainage tube 413, the drainage cavity 31 is communicated with the inner channel of the drainage tube 413, and the plug 253 blocks the ventilation cavity 32, so that air in the ventilation cavity 32 flows into the isolation cavity 424 through the through hole 44. A sealing block 45 is arranged on the combining part 412 of the lower cover 41 and positioned on one side of the through hole 44; the outer end of the coupling portion 412 is provided with a locking groove 46. The drainage tube 413 is provided with a sampling port 49 for facilitating sampling.

Referring to fig. 8, the lower cover 41 is provided with a port 47 for communicating the drainage pipe 413 with the isolation chamber 424, the isolation film 43 is provided with a one-way sealer 48 which can be opened or closed, and the one-way sealer 48 is positioned in the port 47. When the pressure in the isolation chamber 424 is higher than the pressure in the drainage tube 413, the one-way sealer 48 is opened to connect the isolation chamber 424 and the drainage tube 413.

Referring to fig. 9, the isolation diaphragm 43 is made of an elastic non-metallic material. The separator 43 includes a circular separator 431 and an elongated connecting piece 432, and the connecting piece 432 is provided with a through hole 433 communicating with the through hole 44, and a seal portion 434 located outside the through hole 433. The cross-sectional shape of the sealing portion 434 is a "convex" shape. The outer end of the isolation film 43 is clamped in the clamping groove 46, the sealing part 434 of the isolation film 43 is buckled on the sealing block 45 of the combining part 412, the upper cover 42 is buckled with the lower cover 41, pressure is applied to the sealing part 434 of the isolation film 43, and the sealing part 434 is in a convex shape, so that a better sealing effect is achieved.

The one-way sealer 48 is two plastic elastic pieces arranged oppositely, and when the ventilation is performed, the two plastic elastic pieces are opened by air pressure, and when the ventilation is not performed, the two plastic elastic pieces recover to be in a closed state. When the door is opened or closed, the isolating sheet 431 is deformed by air pressure; in order to improve the deformability of the spacers 431, the spacers 431 are designed to be convex upward and have a curvature. The inner wall of the lower cover 41 and the drainage port 23 are provided with a cross-shaped groove.

By adopting the device, a drainage connecting pipe is inserted into the thoracic cavity or wound surface of a patient, liquid secretion flows to the drainage cavity 31 of the drainage pipe 3 through the drainage connecting pipe and the separator 4, and then enters the collection container 2 from the drainage cavity 31; if in the drainage process, drainage chamber 31 causes the jam because of pustule, clot, and solenoid valve 13 opens, and external gas gets into, loops through solenoid valve, distal end three way connection, separator 4's isolation chamber 424, and when the atmospheric pressure value of isolation chamber 424 was greater than drainage channel's atmospheric pressure value, one-way obturator 18 opened, and gas gets into drainage chamber 31, accomplishes washing to drainage tube 3 at last.

The specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (10)

1. A collecting device for negative pressure drainage which characterized in that: the device comprises a collecting container (2), a drainage tube (3) and a separator (4), wherein the collecting container (2) is communicated with the separator (4) through the drainage tube (3);

the collecting container (2) comprises a container body (21), a collecting cavity (25) is arranged in the container body (21), a collecting hole (251) and a vent hole (252) are arranged in the collecting cavity (25), a collecting interface (22) which is respectively communicated with the collecting hole (251) and the vent hole (252) is arranged outside the container body (21), an auxiliary interface (24) which is communicated with a drainage flushing system and a drainage interface (23) which is communicated with a negative pressure measuring and controlling system are respectively arranged on the end surface of the container body (21), the auxiliary interface (24) is communicated with the vent hole (252), and the drainage interface (23) is communicated with the collecting cavity (25);

the drainage tube (3) comprises a drainage cavity (31) and a ventilation cavity (32), the drainage cavity (31) is communicated with the collection hole (251), and the ventilation cavity (32) is communicated with the ventilation hole (252);

the separator (4) comprises a lower cover (41), an upper cover (42) and an isolating membrane (43), wherein the lower cover (41) and the upper cover (42) are buckled and combined to form an isolating cavity (424), a drainage pipeline (413) is integrally arranged on the lower cover (41), a plug (253) for plugging gas and a through hole (44) communicated with the isolating cavity (424) are arranged in one end of the drainage pipeline (413), the isolating membrane (43) is positioned in the isolating cavity (424) and is attached to the inner wall of the lower cover (41), an interface (47) for communicating the drainage pipeline (413) with the isolating cavity (424) is arranged on the lower cover (41), a one-way sealer (48) capable of being opened or closed is arranged on the isolating membrane (43), the one-way sealer (48) is positioned in the interface (47), and when the air pressure value of the isolating cavity (424) is higher than the air pressure value of the drainage pipeline (413), the one-way obturator (48) opens the communication isolation chamber (424) with the drainage conduit (413).

2. The collection apparatus for negative pressure drainage of claim 1, wherein: a partition plate (26) for blocking liquid in the collection cavity (25) from gushing out from the lower part to the upper part under the influence of external force is arranged in the upper area of the collection cavity (25), the partition plate (26) extends downwards along the transverse inclination of the container body (21) from the connecting end of the partition plate, a blocking plate (27) vertically extends downwards from the free end of the partition plate (26), and a space is formed between the blocking plate (27) and the inner side wall of the container body (21).

3. The collection apparatus for negative pressure drainage of claim 2, wherein: the bottom that is located the central zone department of collection chamber (25) and from baffle (26) is perpendicular downwardly extending has riser (254), leave certain interval between the bottom of riser (254) and vessel (21), riser (254) along the longitudinal extension of vessel (21) just along its vertical direction seted up the opening on riser (254).

4. The collection apparatus for negative pressure drainage of claim 1, wherein: the isolating membrane (43) comprises a round isolating sheet (431) and a long connecting sheet (432), wherein the connecting sheet (432) is provided with a through hole (433) communicated with the through hole (44), and a sealing part (434) is arranged on the outer side of the through hole (433).

5. The collection apparatus for negative pressure drainage of claim 1, wherein: the lower cover (41) comprises a circular cover plate (421) and a long connecting part (422), an upwards-protruding sealing ring (425) is arranged on the cover plate (421), and an air channel (426) communicated with the isolation cavity (424) is arranged on the connecting part (422).

6. The collection apparatus for negative pressure drainage of claim 4, wherein: the cross-sectional shape of the sealing portion (434) is a shape of a letter "convex".

7. The collection apparatus for negative pressure drainage of claim 4, wherein: and the drainage pipeline (413) is provided with a collecting hole for collecting liquid secretion.

8. The collection apparatus for negative pressure drainage of claim 1, wherein: a filter (5) is arranged inside the auxiliary interface (24).

9. The collection apparatus for negative pressure drainage of claim 1, wherein: the container body (21) is provided with a pressure release valve (6).

10. The collection apparatus for negative pressure drainage of claim 3, wherein: reinforcing ribs (29) are arranged on the inner bottom wall of the container body (21) and positioned on two sides of the vertical plate (254), and the reinforcing ribs (29) extend upwards to cross the distance between the vertical plate (254) and the inner bottom wall of the container body (21).

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