CN110215556B

CN110215556B - Pneumology department's alveolar lavage device

Info

Publication number: CN110215556B
Application number: CN201910518457.4A
Authority: CN
Inventors: 崔艳红
Original assignee: Nanyang City Center Hospital
Current assignee: Nanyang City Center Hospital
Priority date: 2019-06-15
Filing date: 2019-06-15
Publication date: 2021-06-15
Anticipated expiration: 2039-06-15
Also published as: CN110215556A

Abstract

The invention discloses a respiratory alveolar lavage device, which comprises an outer sleeve and a recovery bottle, wherein a conduit is inserted in the outer sleeve, an inner tube is inserted in the conduit, through holes are formed at the bottom ends of the conduit and the inner tube, an lavage tube penetrates through the conduit and the outer sleeve at the position corresponding to the conduit, when the respiratory alveolar lavage device transfers recovery liquid, a tray can be rotated by a poking block to drive a guide tube to move and continuously contact and extrude with a blade until the guide tube is cut, the guide tube cut off at the moment falls into a pocket net at the lower end, and the tube hole is completely coincided with the blade, as the bottom end of the tray is covered with a rubber film close to the tube hole, the extrusion and friction between the tray and a knife face are increased, the two are more compact, the chance of contacting with the outside air is greatly avoided, the recovery bottle can be placed in a sterile environment, and the bottle neck is screwed down, can extract the waste liquid of lavage, detect and the experiment, improve the accuracy of experiment greatly.

Description

Pneumology department's alveolar lavage device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a respiratory alveolar lavage device.

Background

The alveolar lavage is a process of firstly carrying out local anesthesia on a lung lavage segment, then injecting lavage fluid mainly comprising physiological saline at 37 ℃ into alveoli, and recovering the lavage fluid through negative pressure.

At present, when a recovery bottle filled with recovery liquid is transferred in an alveolar irrigation device, a drainage tube needs to be pulled out, but the recovery liquid is often contacted with the outside air, so that pollution is caused, the accuracy of an experimental result is influenced, pathogenic bacteria can be transmitted in the air, and the like.

Disclosure of Invention

The invention aims to provide an alveolar lavage device for respiratory department, which aims to solve the problem of pollution caused by contact of the recovery liquid with the outside air when the drainage tube is pulled out from the transfer recovery bottle in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a department of respiration alveolus lavage device, includes overcoat and recovery bottle, the inside interlude of overcoat has the pipe, the inside interlude of pipe has the inner tube, the through-hole has all been seted up to the bottom of pipe and inner tube, the pipe has penetrated the lavage tube with the corresponding position department of overcoat mutually, install the check valve on the lavage tube, and the lavage tube keeps away from the one end of overcoat and installs the butt joint pipe, the kicking block is installed on the top of overcoat, the inner tube runs through to the top of kicking block, and the top of inner tube is connected with the negative pressure pump, the negative pressure pump is fixed on the kicking block, the inner tube has penetrated the recovery tube with the corresponding position department of overcoat mutually, install the check valve on the recovery tube, and the recovery tube keeps away from one of overcoat and installs the honeycomb duct, the honeycomb duct stretches into to the recovery bottle, the bottleneck of recovery bottle is the helicitic texture, and, the tray is provided with a pipe hole, a poking block is fixed on the surface of the tray at a position corresponding to the pipe hole, and a blade is arranged on the inner side of the bottleneck close to the bottom end of the tray.

Preferably, the area of the blade is larger than that of the pipe hole, and a rubber film is bonded on the periphery of the bottom surface of the tray, close to the pipe hole.

Preferably, a pocket net is bonded at a position corresponding to the tube hole at the bottom end of the inner side of the bottle neck.

Preferably, the poking block is of an L-shaped structure and clings to the inner side edge of the bottle neck.

Preferably, the inside sliding connection of inner tube has stifled ball, the top of stifled ball is connected with the elasticity line, the inside of kicking block is rotated and is connected with the bracing piece, the other end winding of elasticity line is on the bracing piece, and the part that the bracing piece runs through the kicking block has the piece of revolving to butt joint.

Preferably, the diameter numerical value of the blocking ball is larger than that of the through hole at the bottom end of the inner pipe.

Preferably, the outer side of the outer sleeve is fixed with a snap ring through a screw.

Preferably, the tray is made of a plastic material and is clamped with the inner groove in the bottle neck.

Preferably, the blocking ball is made of medical PVC plastic materials, and the inside of the blocking ball is provided with counterweight gravels.

Compared with the prior art, the invention has the beneficial effects that:

1. this department of respiration alveolus lavage device is when shifting the recovery liquid, can be through dialling piece rotating tray, it removes to drive the honeycomb duct, and constantly with blade contact and extrusion, until being cut, the honeycomb duct that cuts off this moment drops in the pocket net of low side, and the pore also coincides on complete and the blade, because the tray bottom is close to pore department and covers there is the rubber membrane, extrusion and friction between tray and the knife face have been increased, make two inseparabler, avoided the chance with the outside air contact greatly, and can place the recovery bottle in sterile environment, and the bottleneck of screwing down, can extract the waste liquid of lavage, detect and the experiment, the accuracy of experiment has been improved greatly.

2. This cover has the pipe on department of respiration alveolus lavage device's the inner tube, lavage liquid is discharged from the pipe, and the through-hole of inner tube bottom can be plugged up by inside stifled ball, avoid lavage liquid palirrhea, and can rotate the rotary column, make the continuous winding of elastic line on the bracing piece, the through-hole is kept away from to drive stifled ball, through the increase space, produce during the waste liquid suction inner tube of less negative pressure with the lavage, can continue to add new lavage liquid from the pipe department after that, make lavage liquid and lavage waste liquid be in relative mobile state in the alveolus, constantly updating lavage liquid in-process, the efficiency of lavage is greatly improved, make lavage more thorough.

Drawings

FIG. 1 is a diagram illustrating the effect of the present invention;

FIG. 2 is a schematic view of a recovery bottle according to the present invention;

FIG. 3 is a perspective view of a bottleneck of the present invention;

fig. 4 is a schematic view of the structure of the catheter of the present invention.

In the figure: 1. the device comprises a jacket, 2, a clamping ring, 3, a catheter, 4, an inner tube, 5, an irrigation tube, 6, a recovery tube, 7, a one-way valve, 8, a butt joint tube, 9, a top block, 10, a rotary block, 11, a negative pressure pump, 12, a guide tube, 13, a recovery bottle, 14, a bottle neck, 15, a tray, 16, a poking block, 17, a pocket net, 18, a blade, 19, a tube hole, 20, a blocking ball, 21, an elastic line, 22 and a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a pneumotaceae alveolus lavage device comprises an outer sleeve 1 and a recovery bottle 13, a conduit 3 is inserted in the outer sleeve 1, a snap ring 2 is fixed on the outer side of the outer sleeve 1 through screws, the snap ring 2 can be placed at a biopsy hole of a fiber bronchus, an inner tube 4 is inserted in the conduit 3, through holes are formed in the bottom ends of the conduit 3 and the inner tube 4, a lavage tube 5 penetrates through the conduit 3 and the outer sleeve 1 at a position corresponding to the position, a one-way valve 7 is installed on the lavage tube 5, the lavage tube 7 avoids backflow of lavage liquid, a butt joint tube 8 is installed at one end, far away from the outer sleeve 1, of the lavage tube 5, the butt joint tube 8 can be connected with a packaging bag filled with lavage liquid, the packaging bag filled with lavage liquid is hung and raised, the lavage liquid is guided into a human body by gravity action, a top block 9 is installed at the top end of the outer sleeve 1, the inner tube 4 penetrates through the, the negative pressure pump 11 rotates through the blades, internal airflow is pumped out, negative pressure is generated, waste liquid of lavage is pumped out, the negative pressure pump 11 is fixed on the top block 9, the recovery pipe 6 penetrates through the inner pipe 4 and the corresponding position of the jacket 1, the one-way valve 7 is installed on the recovery pipe 6, the end, far away from the jacket 1, of the recovery pipe 6 is provided with the guide pipe 12, and the guide pipe 12 extends into the recovery bottle 13.

The bottle neck 14 of the recycling bottle 13 is of a threaded structure, the inner side of the bottle neck 14 is rotatably connected with a tray 15, a pipe hole 19 is formed in the tray 15, a poking block 16 is fixed on the surface of the tray 15 at a position corresponding to the pipe hole 19, the poking block 16 is of an L-shaped structure, the poking block 16 is tightly attached to the inner side edge of the bottle neck 14, the poking block 16 abuts against the bottle neck 14, the bottle neck is more convenient and labor-saving in rotating, and the stability is better, a blade 18 is installed at the inner side of the bottle neck 14 close to the bottom end of the tray 15, the area of the blade 18 is larger than that of the pipe hole 19, when the blade 18 is overlapped with the pipe hole 19, the pipe hole 19 can be blocked by the blade 18, the outside air is prevented from entering, a rubber film is bonded around the bottom surface of the tray 15 close to the pipe hole 19, the tray 15 close to the pipe hole 19 is thickened through the rubber film, the air-tight effect is greatly improved, the bottom end of the inner side of the bottleneck 14 is bonded with the pocket net 17 at the position corresponding to the pipe hole 19, and the cut-off guide pipe 12 can be connected by the pocket net 17.

The inner sliding connection of the inner tube 4 has a ball stopper 20, the top of the ball stopper 20 is connected with an elastic thread 21, the inner rotation of the top block 9 is connected with a support rod 22, the other end of the elastic thread 21 is wound on the support rod 22, and the support rod 22 is connected with a rotary block 10 in a butt joint mode through the top block 9, the diameter value of the ball stopper 20 is larger than that of the through hole at the bottom end of the inner tube 4, the ball stopper 20 falls into the inner tube 4, the through hole at the bottom end of the inner tube 4 can be blocked, the backflow of lavage liquid can be avoided, and after one alveolus is filled, the rotary block 10 can be rotated to drive the support rod 22 to rotate, and the ball stopper 20 is driven to ascend through the elastic thread 21, at the moment, a slight negative pressure is generated, the waste liquid of lavage can be sucked, then the new lavage liquid can be continuously injected, the injection of the new lavage liquid and the discharge of the waste liquid can, so that the lavage effect is more thorough.

The working principle is as follows: when the invention is used, a user puts the snap ring 2 in a biopsy hole on a fiber bronchoscope, then the hung lavage fluid drip is connected with the butt joint pipe 8, then lavage fluid is injected, the lavage fluid enters the catheter 3 through the lavage pipe 5 and enters the alveolus from a through hole at the bottom end of the catheter 3 until the lavage fluid is filled, then the rotary block 10 is rotated to drive the support rod 22 to rotate, the blocking ball 20 is driven to rise through the elastic line 21 until the blocking ball 20 rises in the top block 9, then the negative pressure pump 11 is started to generate negative pressure, the lavage fluid is sucked into the recovery pipe and enters the guide pipe 12, then the lavage fluid is discharged into the recovery bottle 13, then new lavage fluid can be continuously injected, the velocity of the discharged lavage fluid is equal to that of the added lavage fluid, the lavage fluid in the alveolus is in a flowing state, the lavage efficiency is greatly improved, and after the lavage is finished, the poking block 16 can be rotated to drive the honeycomb duct 12 on the tray 15 to be in contact with and extruded by the blade 18, at the moment, the overlapped part of the tube hole 19 and the blade 18 is larger and larger, then, the rotation is continued, so that the honeycomb duct 12 is cut off and falls into the pocket net 17 on the inner side of the bottleneck 14, at the moment, the tube hole 19 and the blade 18 are completely overlapped, the entering of outside air is avoided, the experiment is more accurate, and the whole work flow is finished. Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A pneumology alveolar lavage device, comprising a coat (1) and a recovery bottle (13), characterized in that: the inside interlude of overcoat (1) has pipe (3), the inside interlude of pipe (3) has inner tube (4), the through-hole has all been seted up to the bottom of pipe (3) and inner tube (4), pipe (3) and overcoat (1) corresponding position department run through lavage pipe (5) mutually, install check valve (7) on lavage pipe (5), and lavage pipe (5) keep away from the one end of overcoat (1) and install butt joint pipe (8), kicking block (9) are installed on the top of overcoat (1), inner tube (4) run through to the top of kicking block (9), and the top of inner tube (4) is connected with negative pressure pump (11), negative pressure pump (11) are fixed on kicking block (9), inner tube (4) and overcoat (1) corresponding position department run through mutually have recovery tube (6), install check valve (7) on recovery tube (6), a flow guide pipe (12) is mounted at one end, far away from the outer sleeve (1), of the recovery pipe (6), the flow guide pipe (12) extends into the recovery bottle (13), a bottle neck (14) of the recovery bottle (13) is of a threaded structure, a tray (15) is rotatably connected to the inner side of the bottle neck (14), a pipe hole (19) is formed in the tray (15), a poking block (16) is fixed on the surface of the tray (15) at a position corresponding to the pipe hole (19), and a blade (18) is mounted at the bottom end, close to the tray (15), of the inner side of the bottle neck (14);

the inside sliding connection of inner tube (4) has stifled ball (20), the top of stifled ball (20) is connected with elastic line (21), the inside rotation of kicking block (9) is connected with bracing piece (22), the other end winding of elastic line (21) is on bracing piece (22), and bracing piece (22) run through the part of kicking block (9) and have connect soon piece (10), the diameter numerical value of stifled ball (20) is greater than the diameter numerical value of inner tube (4) bottom through-hole.

2. A respiratory alveolar lavage device according to claim 1, characterized in that: the area of the blade (18) is larger than that of the pipe hole (19), and a rubber film is bonded around the position, close to the pipe hole (19), of the bottom surface of the tray (15).

3. A respiratory alveolar lavage device according to claim 1, characterized in that: the bottom end of the inner side of the bottle neck (14) is bonded with a pocket net (17) at the position corresponding to the pipe hole (19).

4. A respiratory alveolar lavage device according to claim 1, characterized in that: the poking block (16) is of an L-shaped structure, and the poking block (16) is tightly attached to the inner side edge of the bottleneck (14).

5. A respiratory alveolar lavage device according to claim 1, characterized in that: the outer side of the outer sleeve (1) is fixed with a snap ring (2) through a screw.