CN211188482U

CN211188482U - Negative pressure thoracic drainage device

Info

Publication number: CN211188482U
Application number: CN201921895168.8U
Authority: CN
Inventors: 杨玉霞; 邢娅丽; 张慧; 李玲娟; 刘娅利
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-08-07
Anticipated expiration: 2029-11-06

Abstract

The utility model relates to a medical appliance, in particular to a negative pressure thoracic drainage device which comprises a drainage bottle, an in-bottle drainage tube, an out-bottle drainage tube and a pressure measuring bottle, wherein sterile liquid is contained in the drainage bottle, the in-bottle drainage tube passes through the drainage bottle, the out-bottle drainage tube is connected between a patient and the drainage tube, the pressure measuring bottle is connected to the side surface of the drainage bottle, the side surface of the drainage bottle is connected with a magnet I, the side surface of the pressure measuring bottle is connected with a magnet II, the top wall of the drainage bottle is connected with an adjusting valve, the top wall of the pressure measuring bottle is connected with a pressure measuring; another regulating valve is connected on the top wall of the drainage bottle, an exhaust tube is connected on the other regulating valve, and an exhaust balloon is connected on the exhaust tube. The utility model discloses produce negative pressure convenient and fast to sustainable negative pressure that keeps, it is convenient to connect, and simple to use, the patient only need carry the drainage bottle during the use can.

Description

Negative pressure thoracic drainage device

Technical Field

The utility model relates to a medical appliance, in particular to a negative pressure thoracic drainage device.

Background

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. The traditional Chinese medicine composition is widely applied to drainage of blood chests, pneumothorax and empyema and after thoracotomy as a treatment means, and plays an important role in treating diseases. The water-sealed bottle negative pressure suction drainage can increase the negative pressure in the chest, so the utility model is suitable for the case of large residual cavity with poor lung expansion in the chest.

The most adoption of negative pressure thorax drainage device of prior art has the drainage bottle of a plurality of cavities, makes the drainage cavity produce the negative pressure through dedicated air exhaust device during the use, and the pressure in the drainage cavity is observed to other cavities of rethread, and negative pressure thorax drainage device of prior art is when using, and the patient need use a plurality of cavities together, increases the patient and uses the burden, still often need cooperate dedicated air exhaust device to bleed so that keep the negative pressure, complex operation.

The prior art also has a simple negative pressure thoracic drainage device consisting of a simple evacuation device such as an organ evacuation pump and a drainage tube, the evacuation device needs to be pressed to form negative pressure when in use, the negative pressure thoracic drainage device does not have the capability of continuously providing negative pressure, the use is not very convenient, and the operation is not standard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a negative pressure thorax drainage device, the patient carries a plurality of cavities simultaneously when avoiding using, and sustainable negative pressure that provides produces simply need not complicated operation.

In order to solve the technical problem, the utility model relates to a negative pressure thoracic drainage device, which comprises a drainage bottle, an in-bottle drainage tube, an out-bottle drainage tube and a pressure measuring bottle, wherein sterile liquid is contained in the drainage bottle, the in-bottle drainage tube passes through the drainage bottle, the bottom end of the in-bottle drainage tube is below the liquid level of the sterile liquid, the out-bottle drainage tube is connected between a patient and the drainage tube, and the connection part of the out-bottle drainage tube and the drainage tube is arranged outside the drainage bottle; the pressure measuring bottle is connected to the side face of the drainage bottle, a magnet I is connected to the side wall of the drainage bottle, a magnet II is connected to the side face of the pressure measuring bottle, and the magnet I and the magnet II are connected together; the top wall of the drainage bottle is connected with an adjusting valve, sterile liquid is contained in the pressure measuring bottle, the top wall of the pressure measuring bottle is connected with a pressure measuring pipe, the pressure measuring pipe penetrates through the top wall of the pressure measuring bottle, the upper bottom end of the pressure measuring pipe is below the liquid level of the sterile liquid, the other end of the pressure measuring pipe is connected to the adjusting valve, and the side wall of the pressure measuring bottle is provided with scale marks; another regulating valve is connected on the top wall of the drainage bottle, an exhaust tube is connected on the other regulating valve, and an exhaust balloon is connected on the exhaust tube. When the drainage tube is used, the drainage tube outside the bottle is connected with a patient and the drainage tube inside the bottle, the two regulating valves are opened, the drainage bottle generates negative pressure by pressing the air exhaust balloon, the pressure is observed by the pressure measuring bottle and the scale marks, the two regulating valves are closed after the proper pressure is reached, the negative pressure state is kept in the drainage bottle at the moment, the pressure measuring bottle, the pressure measuring tube, the air exhaust tube and the air exhaust balloon can be taken down, the patient only needs to carry the drainage bottle, the pressure measuring bottle and the drainage bottle are connected together by the magnet I and the magnet II, and the disassembly and the assembly are convenient; when the drainage bottle needs to be re-pumped along with the prolonging of the service life, the pressure measuring bottle and the pressure measuring pipe are only required to be re-installed, the exhaust pipe and the air pumping saccule are re-installed, and the air pumping saccule is used for pumping air.

Furthermore, the regulating valve comprises a valve body and a valve core, a main hole and a side pipe are arranged on the valve body, the main hole penetrates through the valve body, the main hole is coaxial with the valve body, the side pipe is perpendicular to the main hole, and the valve core is inserted into the main hole.

Furthermore, the main hole on be equipped with the taper hole, the taper hole is established in the side pipe below, the taper hole is coaxial with the main hole, taper hole top surface diameter is greater than taper hole bottom surface diameter, taper hole top surface diameter is the same with the main hole diameter, the case on be equipped with straight section, conic section and revolve and twist section I, straight section, conic section and revolve and twist section I coaxial, revolve and twist section I and establish on straight section upper portion, the conic section is established in straight section lower part, conic section top surface diameter is greater than conic section bottom surface diameter, conic section top surface diameter is the same with straight section diameter, revolve and twist section I diameter and be greater than straight section diameter, straight section cartridge is in the main hole, the conic section cartridge is in the taper hole, revolves to twist section I and connect outside the valve body.

Further, a sealing ring II and a sealing ring III are connected to the valve core, the sealing ring II is sleeved on the straight section, the sealing ring III is sleeved on the conical section, the sealing ring II is connected between the main hole and the straight section, the sealing ring III is connected between the conical section and the conical hole, and the sealing ring II is arranged above the side pipe; and at least one sealing ring II is arranged.

Furthermore, the main hole is further provided with an internal thread, the internal thread is provided with the top of the main hole, the valve core is further provided with a thread section I, the thread section I is arranged between the screwing section I and the straight section, and the thread section I is in threaded connection with the internal thread.

Furthermore, the outer wall of the side pipe is also provided with a bulge, the bulge is provided with a plurality of layers, the pressure measuring pipe is inserted on the side pipe, and the exhaust pipe is inserted on the side pipe of the other regulating valve.

When the regulating valve needs to be opened, the valve core is rotated by the handheld screwing section I, so that the valve core rises, the sealing ring III leaves the taper hole, the lower end of the taper hole can be communicated with the side pipe, but the sealing ring II is still in the main hole, and the main hole and the side pipe are ensured to be airtight. When the regulating valve is closed, the valve core is rotated by the handheld screwing section I, so that the valve core falls, and the sealing ring III forms sealing at the taper hole again.

Furthermore, a third regulating valve is connected to the top wall of the drainage bottle, and a liquid supplementing funnel is connected to a side pipe of the third regulating valve; be equipped with the outage on the drainage bottle diapire, the outage is the screw, is connected with the end cap in the outage, and the end cap revolves section II and screw thread section II including revolving, revolves section II coaxial with screw thread section II, revolves II cross-sectional diameters of section of revolving and is greater than II cross-sectional diameters of screw thread section, and II threaded connection of screw thread section are in the outage, still are connected with sealing washer IV on the end cap, and sealing washer IV connects at drainage bottle diapire and revolves between II top surfaces of section soon. When the aseptic liquid is required to be filled into the drainage bottle, the third regulating valve is opened, the aseptic liquid is filled through the liquid supplementing funnel, and the liquid flows through the regulating valve without influence. When aseptic liquid in the drainage bottle needs to be discharged, the plug can be unscrewed through the thread section II, and when the aseptic liquid in the drainage bottle needs to be discharged, a certain regulating valve needs to be opened to destroy the negative pressure in the drainage bottle.

Further, the bottle internal drainage pipe, the bottle external drainage pipe pass through the pipe card and connect, bottle internal drainage pipe tip is equipped with boss I, I bottom surface of boss is the toper, bottle external drainage pipe tip is equipped with boss II, II bottom surfaces of boss are the toper, the pipe card is including snap ring I and snap ring II, be equipped with the taper hole in the snap ring I, be equipped with the taper hole in the snap ring II, the taper hole of snap ring I and the taper hole symmetry of snap ring II, boss I and II connections of boss are between snap ring I and snap ring II, the taper section of boss I and the taper section of boss II are connected respectively in the taper hole of snap ring I and taper hole and snap ring II. Still be equipped with the axle bed on the I outer wall of snap ring, it is connected with the buckle to rotate on the axle bed, is connected with round pin axle on the axle bed, and the round pin axle passes buckle and axle bed, and the buckle tip is equipped with card portion, is equipped with the draw-in groove on II bottom surfaces of snap ring, and card portion connects in the draw-in groove, still is connected with sealing washer I on I terminal surface of boss, and sealing washer I is connected between I terminal surface of boss and II terminal surfaces of boss, and axle bed, round pin axle and buckle are equipped with a. The arrangement of the pipe clamp enables the in-bottle drainage pipe and the out-bottle drainage pipe to be convenient to disassemble and assemble, and the air tightness is strong.

Further, the sacculus of bleeding including the ball utricule, exhaust pipe portion and blast pipe portion, exhaust pipe portion establishes at the ball utricule front end, blast pipe portion establishes at the ball utricule rear end, be equipped with the external screw thread on the exhaust pipe portion outer wall, blast pipe one end is equipped with the internal thread, external screw thread threaded connection is on the blast pipe, exhaust pipe portion center is equipped with evacuation hole, it is downthehole to be equipped with round inner boss I to manage, it is equipped with separation blade I to manage, separation blade I establishes in I rear side of inner boss, I half connection of separation blade is managed to manage, I another side of separation blade is the opening, blast pipe portion center is equipped with the exhaust hole, be equipped with round inner boss II in the exhaust hole, be equipped with separation blade. The extrusion ball utricule uses, and separation blade II opens the internal gas of discharge sacculus, and I pressurized of separation blade compresses tightly interior boss I this moment and forms sealedly, and when the separation blade utricule was loosened, II pressurized of separation blade compress tightly interior boss II and form sealedly, and separation blade I is opened and is inhaled the sacculus internal with the gas in the drainage bottle through the exhaust tube, and is repeated to pressing down the ball utricule and can realize bleeding, convenient to use.

Furthermore, the top wall of the drainage bottle is also provided with two hooks, and the material of the in-bottle drainage tube and the material of the out-bottle drainage tube are IM02A high transparent hard PVC.

The utility model has the advantages that: the aseptic liquid drainage device comprises a drainage bottle, an in-bottle drainage tube, an out-bottle drainage tube and a pressure measuring bottle, wherein the in-bottle drainage tube is filled with aseptic liquid and penetrates through the drainage bottle; another regulating valve is connected on the top wall of the drainage bottle, an exhaust tube is connected on the other regulating valve, and an exhaust balloon is connected on the exhaust tube. The utility model discloses produce negative pressure convenient and fast to sustainable negative pressure that keeps, it is convenient to connect, and simple to use, the patient only need carry the drainage bottle during the use can.

Drawings

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

FIG. 2 is a schematic structural view of the drainage bottle of the present invention;

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

fig. 4 is a sectional view of the regulating valve of the present invention;

FIG. 5 is a sectional view of the valve core of the regulating valve of the present invention;

FIG. 6 is a partial cross-sectional view of the pipe clamp joint of the present invention;

FIG. 7 is a cross-sectional view of the pumping balloon of the present invention;

fig. 8 is a partial view of fig. 1 according to the present invention.

In the figure: 1. a drainage bottle; 101. a drain hole; 2. an in-bottle drainage tube; 201. a boss I; 202. a sealing ring I; 3. an external drainage tube; 301. a boss II; 4. adjusting a valve; 401. a valve body; 402. a taper hole; 403. a main hole; 404. a side tube; 405. a protrusion; 406. an internal thread; 407. a valve core; 4071. a straight section; 4072. a conical section; 4073. a thread section I; 4074. screwing the section I; 4075. a sealing ring II; 4076. a sealing ring III; 5. a liquid supplementing funnel; 6. an air exhaust pipe; 7. an air-extracting balloon; 701. a balloon body; 702. an air exhaust pipe section; 7021. an air exhaust hole; 7022. an external thread; 7023. an inner boss I; 7024. a baffle plate I; 703. an exhaust pipe portion; 7031. an exhaust hole; 7032. an inner boss II; 7032. a baffle plate II; 8. a plug; 801. a screwing section II; 802. a thread section II; 803. a sealing ring IV; 9. hooking; 10. a magnet I; 11. measuring the pressure of the bottle; 12. a piezometric tube; 13. scale lines; 14. a magnet II; 15. a pipe clamp; 1501. a snap ring I; 1502. a snap ring II; 1503. a shaft seat; 1504. a pin shaft; 1505. buckling; 1506. a clamping part; 1507. a clamping groove.

Detailed Description

As shown in fig. 1 and 2, the negative pressure thoracic drainage device of the present invention comprises a drainage bottle 1, an in-bottle drainage tube 2, an out-bottle drainage tube 3 and a pressure measuring bottle 11, wherein sterile liquid is contained in the drainage bottle 1, the in-bottle drainage tube 2 passes through the drainage bottle 1, the bottom end of the in-bottle drainage tube 2 is below the liquid level of the sterile liquid, the out-bottle drainage tube 3 is connected between a patient and the drainage tube 2, and the connection position of the out-bottle drainage tube 3 and the drainage tube 2 is arranged outside the drainage bottle 1; the pressure measuring bottle 11 is connected to the side face of the drainage bottle 1, the magnet I10 is connected to the side wall of the drainage bottle 1, the magnet II 14 is connected to the side face of the pressure measuring bottle 11, and the magnet I10 and the magnet II 14 are connected together; the top wall of the drainage bottle 1 is connected with an adjusting valve 4, sterile liquid is contained in a pressure measuring bottle 11, the top wall of the pressure measuring bottle 11 is connected with a pressure measuring pipe 12, the pressure measuring pipe 12 penetrates through the top wall of the pressure measuring bottle 11, the upper bottom end of the pressure measuring pipe 12 is below the liquid level of the sterile liquid, the other end of the pressure measuring pipe 12 is connected to the adjusting valve 4, and the side wall of the pressure measuring bottle 11 is provided with scale marks 13; be connected with another governing valve 4 on the 1 roof of drainage bottle, be connected with exhaust tube 6 on another governing valve 4, be connected with air exhaust sacculus 7 on the exhaust tube 6. The top wall of the drainage bottle 1 is connected with a third regulating valve 4, and a side pipe 404 of the third regulating valve 4 is connected with a liquid supplementing funnel 5. As shown in fig. 8, a liquid discharge hole 101 is formed in the bottom wall of the drainage bottle 1, the liquid discharge hole 101 is a screw hole, a plug 8 is connected in the liquid discharge hole 101, the plug 8 comprises a screwing section ii 801 and a thread section ii 802, the screwing section ii 801 and the thread section ii 802 are coaxial, the cross-sectional diameter of the screwing section ii 801 is larger than that of the thread section ii 802, the thread section ii 802 is connected in the liquid discharge hole 101 in a threaded manner, a sealing ring iv 803 is further connected to the plug 8, and the sealing ring iv 803 is connected between the bottom wall of the drainage bottle 1 and the top surface. As shown in fig. 3, the top wall of the drainage bottle 1 is also provided with two hooks 9, and the number of the hooks 9 is two. The material of the in-bottle drainage tube 2 and the out-bottle drainage tube 3 is IM02A high transparent hard PVC.

As shown in fig. 4 and 5, the regulating valve 4 includes a valve body 401 and a valve core 407, the valve body 401 is provided with a main hole 403 and a side pipe 404, the main hole 403 penetrates through the valve body 401, the main hole 403 is coaxial with the valve body 401, the side pipe 404 is perpendicular to the main hole 403, and the valve core 407 is inserted into the main hole 403. The main hole 403 is provided with a taper hole 402, the taper hole 402 is arranged below the side pipe 404, the taper hole 402 is coaxial with the main hole 403, the diameter of the top surface of the taper hole 402 is larger than that of the bottom surface of the taper hole 402, the diameter of the top surface of the taper hole 402 is the same as that of the main hole 403, the valve core 407 is provided with a straight section 4071, a tapered section 4072 and a screwing section I4074, the straight section 4071, the tapered section 4072 and the screwing section I4074 are coaxial, the screwing section I4074 is arranged on the upper portion of the straight section 4071, the tapered section 4072 is arranged on the lower portion of the straight section 4071, the diameter of the top surface of the tapered section 4072 is larger than that of the bottom surface of the tapered section 4072, the diameter of the top surface of the tapered section 4072 is the same as that of the straight section 4071, the diameter of the screwing section I4074 is larger than that of the straight section 4071, the. The valve core 407 is further connected with a sealing ring II 4075 and a sealing ring III 4076, the sealing ring II 4075 is sleeved on the straight section 4071, the sealing ring III 4076 is sleeved on the tapered section 4072, the sealing ring II 4075 is connected between the main hole 403 and the straight section 4071, the sealing ring III 4076 is connected between the tapered section 4072 and the tapered hole 402, and the sealing ring II 4075 is arranged above the side pipe 404; at least one sealing ring II 4075 is arranged. The main hole 403 is further provided with an internal thread 406, the internal thread 406 is provided with the top of the main hole 403, the valve core 407 is further provided with a thread section I4073, the thread section I4073 is arranged between the screwing section I4074 and the straight section 4071, and the thread section I4073 is in threaded connection with the internal thread 406. The outer wall of the side pipe 404 is also provided with a bulge 405, the bulge 405 is provided with a plurality of layers, the pressure measuring pipe 12 is inserted on the side pipe 404, and the exhaust pipe 6 is inserted on the side pipe 404 of the other regulating valve 4.

As shown in fig. 6, the bottle internal drainage tube 2, the bottle external drainage tube 3 pass through the pipe strap 15 and connect, 2 tip in the bottle is equipped with boss I201, I201 bottom surface of boss is the toper, 3 tip in the bottle external drainage tube are equipped with boss II 301, II 301 bottoms surfaces of boss are the toper, pipe strap 15 is including I1501 of snap ring and II 1502 of snap ring, be equipped with the taper hole in the I1501 of snap ring, be equipped with the taper hole in the II 1502 of snap ring, the taper hole of I1501 of snap ring is symmetrical with the taper hole of II 1502 of snap ring, I201 of boss and II 301 of boss are connected between I1501 of snap ring and II 1502 of snap ring, the taper section of I201 of boss and the taper section of II 301 of boss are connected respectively in I1501 of snap ring and the. Still be equipped with axle bed 1503 on the I1501 outer wall of snap ring, it is connected with buckle 1505 to rotate on the axle bed 1503, be connected with round pin axle 1504 on the axle bed 1503, round pin axle 1504 passes buckle 1505 and axle bed 1503, buckle 1505 end is equipped with card portion 1506, be equipped with draw-in groove 1507 on the II 1502 bottom surface of snap ring, card portion 1506 is connected in draw-in groove 1507, still be connected with sealing washer I202 on the I201 terminal surface of boss, sealing washer I202 is connected between I201 terminal surface of boss and II 301 terminal surface of boss, axle bed 1503, round pin axle 1504 and buckle 1505 are equipped with a plurality ofly, a plurality of axle beds 1503.

As shown in fig. 7, the air-extracting balloon 7 includes a balloon body 701, an air-extracting tube portion 702 and an air-exhausting tube portion 703, the air-extracting tube portion 702 is disposed at the front end of the balloon body 701, the air-exhausting tube portion 703 is disposed at the rear end of the balloon body 701, an external thread 7022 is disposed on the outer wall of the air-extracting tube portion 702, one end of the air-extracting tube 6 is provided with an internal thread, the external thread 7022 is screwed on the air-extracting tube 6, an air-exhausting hole 7021 is disposed at the center of the air-extracting tube portion 702, a circle of inner boss i 7023 is disposed in the air-exhausting hole 7021, a baffle piece i 7024 is disposed at the rear side of the inner boss i 7023, one half of the baffle piece i 7024 is connected in the air-exhausting hole 7021, the other half of the baffle piece i 7024 is an opening, an air-exhausting hole 7031 is disposed at the center of the air-exhausting hole 7031, a circle of inner boss ii 7032 is disposed in, the air-extracting saccule 7 is made of silica gel.

When the drainage tube is used, the external drainage tube 3 is connected with a patient and the internal drainage tube 2, the two regulating valves 4 are opened, the drainage bottle 1 generates negative pressure by pressing the air exhaust saccule 7, the pressure is observed by the pressure measuring bottle 11 and the scale marks 13, the two regulating valves 4 are closed after the proper pressure is reached, the negative pressure state is kept in the drainage bottle 1, the pressure measuring bottle 11, the pressure measuring tube 12, the air exhaust tube 6 and the air exhaust saccule 7 can be taken down, the patient can carry the drainage bottle 1, the pressure measuring bottle 11 is connected with the drainage bottle 1 through the magnet I10 and the magnet II 14, and the disassembly and the assembly are convenient; when the drainage bottle 1 needs to be re-pumped along with the prolonging of the service life, the pressure measuring bottle 11 and the pressure measuring tube 12 are re-installed, the air pumping tube 6 and the air pumping saccule 7 are re-installed, and the air pumping saccule 7 is used for pumping air. When the regulating valve 4 needs to be opened, the valve core 407 is rotated by the hand-held screwing section I4074, the valve core 407 is lifted, the sealing ring III 4072 leaves the taper hole 402, the lower end of the taper hole 402 can be communicated with the side pipe 404, but the sealing ring II 4075 is still in the main hole 4032, and the main hole 403 and the side pipe 404 are ensured to be airtight. When the regulating valve 4 is closed, the hand-held screwing section I4074 rotates the valve core 407 to make the valve core 407 fall, and the sealing ring III 4072 forms a seal at the conical hole 402 again. When aseptic liquid needs to be filled into the drainage bottle 1, the third regulating valve 4 is opened, the aseptic liquid is filled through the liquid filling funnel 5, and the liquid flows through the regulating valve 4 without influence. When aseptic liquid in the drainage bottle 1 needs to be discharged, the plug 8 can be unscrewed through the thread section II 801, and when the aseptic liquid in the drainage bottle 1 needs to be discharged, a certain regulating valve 4 needs to be opened to destroy the negative pressure in the drainage bottle 1. Squeeze the use of ball utricule 701, separation blade II 7033 is opened the internal 1 gas of discharge sacculus, separation blade I7024 pressurized compresses tightly interior boss I7023 and forms sealedly this moment, when loosening ball utricule 1, separation blade II 7033 pressurized compresses tightly interior boss II 7033 and forms sealedly, separation blade I7023 is opened and is inhaled in the ball utricule 1 through the gas in aspiration tube 6 with the interior gas of drainage bottle 1, it can realize bleeding repeatedly to press ball utricule 1, and is simple and convenient to use. The utility model discloses produce negative pressure convenient and fast to sustainable negative pressure that keeps, it is convenient to connect, and simple to use, the patient only need carry drainage bottle 1 during the use can.

Claims

1. The utility model provides a negative pressure thorax drainage device which characterized in that: the sterile drainage tube comprises a drainage bottle (1), an in-bottle drainage tube (2), an out-bottle drainage tube (3) and a pressure measurement bottle (11), wherein sterile liquid is contained in the drainage bottle (1), the in-bottle drainage tube (2) penetrates through the drainage bottle (1), the bottom end of the in-bottle drainage tube (2) is below the liquid level of the sterile liquid, the out-bottle drainage tube (3) is connected between a patient and the drainage tube (2), and the joint of the out-bottle drainage tube (3) and the drainage tube (2) is arranged outside the drainage bottle (1); the pressure measuring bottle (11) is connected to the side face of the drainage bottle (1), the side wall of the drainage bottle (1) is connected with a magnet I (10), the side face of the pressure measuring bottle (11) is connected with a magnet II (14), and the magnet I (10) is connected with the magnet II (14); the top wall of the drainage bottle (1) is connected with an adjusting valve (4), sterile liquid is contained in a pressure measuring bottle (11), the top wall of the pressure measuring bottle (11) is connected with a pressure measuring tube (12), the pressure measuring tube (12) penetrates through the top wall of the pressure measuring bottle (11), the upper bottom end of the pressure measuring tube (12) is below the liquid level of the sterile liquid, the other end of the pressure measuring tube (12) is connected to the adjusting valve (4), and the side wall of the pressure measuring bottle (11) is provided with scale marks (13); another regulating valve (4) is connected on the top wall of the drainage bottle (1), an exhaust tube (6) is connected on the other regulating valve (4), and an air exhaust balloon (7) is connected on the exhaust tube (6).

2. The negative pressure chest drainage device of claim 1, wherein: the regulating valve (4) comprises a valve body (401) and a valve core (407), a main hole (403) and a side pipe (404) are arranged on the valve body (401), the main hole (403) penetrates through the valve body (401), the main hole (403) is coaxial with the valve body (401), the side pipe (404) is perpendicular to the main hole (403), and the valve core (407) is inserted in the main hole (403).

3. The negative pressure chest drainage device of claim 2, wherein: the main hole (403) is provided with a taper hole (402), the taper hole (402) is arranged below the side pipe (404), the taper hole (402) is coaxial with the main hole (403), the diameter of the top surface of the taper hole (402) is larger than that of the bottom surface of the taper hole (402), the diameter of the top surface of the taper hole (402) is the same as that of the main hole (403), the valve core (407) is provided with a straight section (4071), a tapered section (4072) and a screwing section I (4074), the straight section (4071), the tapered section (4072) and the screwing section I (4074) are coaxial, the screwing section I (4074) is arranged on the upper part of the straight section (4071), the tapered section (4072) is arranged on the lower part of the straight section (4071), the diameter of the top surface of the tapered section (4072) is larger than that of the bottom surface of the tapered section (4072), the diameter of the top surface of the tapered section (4072) is the same as that of the straight section (4071), the diameter of the screwing section I (4074) is larger than that of the straight section (4071), the straight section (4071), the screwing section I (4074) is connected outside the valve body (401).

4. The negative pressure chest drainage device of claim 3, wherein: the valve core (407) is further connected with a sealing ring II (4075) and a sealing ring III (4076), the sealing ring II (4075) is sleeved on the straight section (4071), the sealing ring III (4076) is sleeved on the conical section (4072), the sealing ring II (4075) is connected between the main hole (403) and the straight section (4071), the sealing ring III (4076) is connected between the conical section (4072) and the conical hole (402), and the sealing ring II (4075) is arranged above the side pipe (404); and at least one sealing ring II (4075) is arranged.

5. The negative pressure chest drainage device of claim 4, wherein: the valve core (407) is further provided with a threaded section I (4073), the threaded section I (4073) is arranged between the screwing section I (4074) and the straight section (4071), and the threaded section I (4073) is in threaded connection with the internal thread (406).

6. The negative pressure chest drainage device of claim 5, wherein: the outer wall of the side pipe (404) is also provided with a bulge (405), the bulge (405) is provided with a plurality of layers, the pressure measuring pipe (12) is inserted on the side pipe (404), and the exhaust pipe (6) is inserted on the side pipe (404) of the other regulating valve (4).

7. The negative pressure chest drainage device of claim 5, wherein: the top wall of the drainage bottle (1) is connected with a third regulating valve (4), and a side pipe (404) of the third regulating valve (4) is connected with a liquid supplementing funnel (5); be equipped with outage (101) on drainage bottle (1) diapire, outage (101) are the screw, outage (101) in-connection has end cap (8), end cap (8) are including twisting II (801) of section and screw thread section II (802) soon, it is coaxial with screw thread section II (802) to twist section II (801) of section, it is greater than screw thread section II (802) cross-sectional diameter to twist II (801) cross-sectional diameter of section, screw thread section II (802) threaded connection is in outage (101), still be connected with sealing washer IV (803) on end cap (8), sealing washer IV (803) are connected at drainage bottle (1) diapire and are twisted between section II (801) top surface soon.

8. The negative pressure chest drainage device of claim 1, wherein: the novel drainage tube is characterized in that an in-bottle drainage tube (2) and an out-bottle drainage tube (3) are connected through a tube clamp (15), a boss I (201) is arranged at the end part of the in-bottle drainage tube (2), the bottom surface of the boss I (201) is conical, a boss II (301) is arranged at the end part of the out-bottle drainage tube (3), the bottom surface of the boss II (301) is conical, the tube clamp (15) comprises a snap ring I (1501) and a snap ring II (1502), a conical hole is formed in the snap ring I (1501), a conical hole is formed in the snap ring II (1502), the conical hole of the snap ring I (1501) is symmetrical to the conical hole of the snap ring II (1502), the boss I (201) and the boss II (301) are connected between the snap ring I (1501) and the snap ring II (1502), and the conical sections of the boss I (201) and the boss II (301) are respectively connected in the conical holes; still be equipped with axle bed (1503) on snap ring I (1501) outer wall, it is connected with buckle (1505) to rotate on axle bed (1503), be connected with round pin axle (1504) on axle bed (1503), buckle (1505) and axle bed (1503) are passed in round pin axle (1504), buckle (1505) tip is equipped with card portion (1506), be equipped with draw-in groove (1507) on snap ring II (1502) the bottom surface, card portion (1506) are connected in draw-in groove (1507), still be connected with sealing washer I (202) on I (201) terminal surface of boss, I (202) of sealing washer are connected between I (201) terminal surface of boss and II (301) terminal surface of boss, axle bed (1503), round pin axle (1504) and buckle (1505) circumference equipartition, a plurality of axle bed (1503), round pin axle bed (1504) and.

9. The negative pressure chest drainage device of claim 1, wherein: the air exhaust balloon (7) comprises a balloon body (701), an air exhaust pipe part (702) and an exhaust pipe part (703), the air exhaust pipe part (702) is arranged at the front end of the balloon body (701), the exhaust pipe part (703) is arranged at the rear end of the balloon body (701), external threads (7022) are arranged on the outer wall of the air exhaust pipe part (702), internal threads are arranged at one end of the air exhaust pipe (6), the external threads (7022) are in threaded connection with the air exhaust pipe (6), an air exhaust hole (7021) is formed in the center of the air exhaust pipe part (702), a circle of inner boss I (7023) is arranged in the air exhaust hole (7021), a baffle I (7024) is arranged in the air exhaust hole (7021), a half of the baffle I (7024) is connected into the air exhaust hole (7021), an opening is formed outside the other side of the baffle I (7024), an exhaust hole (7031) is formed in the exhaust hole (7031), a circle of inner boss II (7032) is formed in the, a baffle plate II (7033) is arranged in the exhaust hole (7031), the baffle plate II (7033) is arranged at the rear side of the inner boss II (7032), one half of the baffle plate II (7033) is connected in the exhaust hole (7031), the other outer part of the baffle plate II (7033) is provided with an opening, and the air exhaust balloon (7) is made of silica gel.

10. The negative pressure chest drainage device of claim 1, wherein: the drainage bottle is characterized in that a hook (9) is further arranged on the top wall of the drainage bottle (1), two hooks (9) are arranged, and the in-bottle drainage tube (2) and the out-bottle drainage tube (3) are made of IM02A high-transparency hard PVC.