CN117883655B - Catheter assembly for bronchoalveolar lavage - Google Patents

Catheter assembly for bronchoalveolar lavage Download PDF

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Publication number
CN117883655B
CN117883655B CN202410303584.3A CN202410303584A CN117883655B CN 117883655 B CN117883655 B CN 117883655B CN 202410303584 A CN202410303584 A CN 202410303584A CN 117883655 B CN117883655 B CN 117883655B
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placing table
bottle
bottle cap
base
catheter assembly
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CN117883655A (en
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刘冠辰
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Jiamusi University
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Jiamusi University
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Abstract

The invention provides a catheter assembly for bronchoalveolar lavage, which relates to the field of alveolar lavage catheters and comprises a perfusion tube, wherein the perfusion tube is divided into two branches, namely a water injection tube and a liquid suction tube, the water injection tube is connected with an injector, the liquid suction tube is connected with a catheter assembly, the catheter assembly comprises a catheter sleeve and a base, an upper cover is arranged on the catheter sleeve, a bottle cap is screwed in the upper cover, the liquid suction tube is connected with the bottle cap, a small negative pressure suction machine is also connected on the bottle cap, and a sealing gasket is arranged at the lower end of the bottle cap; the platform and the collecting bottle are controlled to rotate through the central shaft, and the lifting structure controls the platform to ascend or descend, so that the collecting bottle on the platform can be attached to or detached from the bottle cap, and the lavage liquid can be extracted and stored by using different collecting bottles.

Description

Catheter assembly for bronchoalveolar lavage
Technical Field
The invention relates to the field of alveolar lavage catheters, in particular to a bronchoalveolar lavage catheter assembly.
Background
The bronchoalveolar lavage is a method for performing inflammation, immune cells and soluble substances examination by wedging bronchoscope into bronchus branches, filling sterile normal saline, sucking as much liquid as possible through a working pore canal, and in the operation process, the bronchoalveolar lavage catheter with publication number CN107096085A is searched by injecting water and extracting lavage liquid into a bronchoscope biopsy pore through a catheter, and comprises a water inlet catheter, the top end of the water inlet catheter is provided with a lavage port, a first injector is communicated on the lavage port, the end of the water inlet catheter is fixedly arranged in an inner cavity of a connecting piece, a water absorption catheter is also arranged in the inner cavity of the connecting piece, the top end of the water absorption catheter is provided with a recovery port, the recovery mouth is connected with the second injector through the connecting device, the connecting device comprises a connecting port in threaded connection with the recovery mouth, the connecting port is located at the bottom end of the connecting port, a negative pressure port is arranged at the top end of the connecting port, the second injector is communicated with the negative pressure port, a valve switch is arranged in an inner cavity of the connecting port, one side of the valve switch extends out of the connecting port, a water storage container is communicated with the other side of the valve switch, a cylindrical channel and an L-shaped channel are respectively arranged on the valve switch in the connecting port, a water inlet pipe and a water absorption pipe are respectively assembled into a total pipe in a connecting piece, a silica gel nipple is sleeved at the bottom end of the total pipe in a sealing manner, a water outlet hole is formed in one side of the silica gel nipple, and a water absorption hole is formed in the other side of the silica gel nipple.
However, in the above-mentioned technique, the lavage liquid is injected and extracted through the syringe and the catheter, and the same syringe is used to extract different lung segment lavage liquids, so that the sample is easily confused, and the diagnosis result is affected.
Disclosure of Invention
The invention aims to solve the problem of how to collect and store different lung segment lavage fluids by using different containers.
In order to achieve the above purpose, the invention adopts the technical scheme that the catheter assembly for bronchoalveolar lavage comprises a transfusion tube, wherein the transfusion tube is divided into two branches, namely a water injection tube and a liquid suction tube, and the water injection tube is connected with an injector, and the catheter assembly is characterized in that: the liquid suction pipe is connected with a conduit assembly, the conduit assembly comprises a conduit sleeve and a base, an upper cover is arranged on the conduit sleeve, a bottle cap is screwed in the upper cover, the liquid suction pipe is connected with the bottle cap, a small negative pressure suction machine is further connected on the bottle cap, and a sealing gasket is arranged at the lower end of the bottle cap;
A central shaft is inserted into the base, a placing table is sleeved on the central shaft, the placing table can rotate along with the rotation of the central shaft, four collecting bottles are arranged on the placing table, the collecting bottles are screwed on the placing table through threads, and the collecting bottles can be attached to the bottle caps;
The lifting structure is arranged below the placing table and comprises a supporting ring arranged below the placing table, the supporting ring is an electromagnet, a supporting rod is arranged below the supporting ring, a prismatic table is arranged below the supporting rod, and the lifting and descending of the supporting ring can be controlled through the lifting structure.
More preferably, the vacuum heat-insulating layer is arranged in the catheter sleeve and the base, and the observation strip is arranged on the side wall of the catheter sleeve and is made of glass.
More preferably, the placing table is provided with a placing opening, the placing table is internally of a hollow structure, ice cubes are contained in the placing table, and the placing table is made of nickel-iron alloy.
More preferably, the lower extreme of center pin is provided with the block pole, and the cross-section of block pole is square, is provided with two block pieces rather than complex on the base, is provided with pressure reset piece on the block piece, and two block pieces combination form square mouth, and the block pole passes in the square mouth.
More preferably, the lower end of the clamping rod is provided with a pushing part, the base is provided with a blind duct, and the pushing part can be inserted into the blind duct.
More preferably, four blocking channels are arranged in the base and are communicated with the blind hole, blocking strips are arranged in the blocking channels, the terrace with edges are arranged on the blocking strips, one ends of the blocking strips are provided with compression reset springs, the other ends of the blocking strips are provided with clamping heads, and the clamping heads are located on one side close to the blind hole.
More preferably, a slideway is arranged on the prismatic table, the side edge of the prismatic table is an arc-shaped surface, and a roller is arranged at the lower end of the supporting rod and is positioned in the slideway.
More preferably, the injector is connected with a hose, a saline bottle is connected with the hose, and a one-way valve is arranged on the hose.
More preferably, the water injection pipe is provided with a check valve, and the liquid suction pipe is provided with a controller.
Compared with the prior art, the invention has the beneficial effects that: the placing table and the collecting bottle are controlled to rotate through the central shaft, and the placing table is controlled to ascend or descend through the lifting structure, so that the collecting bottle on the placing table can be attached to or detached from the bottle cap, and the lavage liquid is extracted and stored by using different collecting bottles;
The saline bottle and the one-way valve are arranged, so that the process of injecting sterile physiological saline into the bronchus is simpler and more convenient, the middle-end grab handle is arranged, the water injection process is more convenient to operate by one hand, and a doctor only needs to control a lifting piece and a controller in a catheter assembly in the water pumping process, so that the doctor can operate by one hand in the whole process of alveolus lavage, the bronchoscope can be controlled by one hand, the other hand performs alveolus lavage on a patient without common implementation of two doctors, and medical resources are effectively saved;
Through placing the hollow structure in the platform to put into the ice-cube at its inner space, can cool down the lavage liquid in the collecting flask, improve the save effect, and all be provided with the vacuum heat preservation on catheter sleeve and the base, through can be better carry out the low temperature to lavage liquid and preserve.
Through setting up the support ring to the electro-magnet to place platform and collecting bottle and all set up to the nickel-iron alloy material, can make the support ring circular telegram back to the collecting bottle of electro-magnet material and place the platform and carry out magnetic conduction, and still be provided with alloy magnet between bottle lid and sealed pad, and sealed pad is made for magnetic rubber material, can carry out quick attraction to the collecting bottle that has certain magnetism through the sealed pad that alloy magnet and magnetic rubber made, make the collecting bottle realize quick and efficient sealed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the upper cover structure of the present invention;
FIG. 4 is a schematic view of the structure of the placement table according to the present invention;
FIG. 5 is a schematic view of a base structure of the present invention;
FIG. 6 is a schematic view of a fastener according to the present invention;
The device comprises a 1-catheter sleeve, a 2-base, a 3-placing table, a 4-central shaft, a 5-collecting bottle, a 6-upper cover, a 7-bottle cover, an 8-observing strip, a 9-sealing gasket, a 10-negative pressure pipe, an 11-liquid drawing pipe, a 12-water injection pipe, a 13-infusion pipe, a 14-controller, a 15-lifting piece, a 16-clamping rod, a 17-clamping piece, a 18-pushing part, a 19-blind hole, a 20-blocking channel, a 21-blocking strip, a 22-clamping head, a 23-supporting rod, a 24-supporting ring, a 25-roller, a 26-prismatic table, a 27-saline bottle, a 28-check valve, a 29-one-way valve, a 30-middle end grab handle, a 31-throwing port, a 32-pressure resetting piece, a 33-shaft hole and a 34-inserting rod hole.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
In the description of the present application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," "rear," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, but do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be a mechanical connection; may be an electrical connection; can be connected by a hydraulic oil way; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-6, a catheter assembly for bronchoalveolar lavage, comprising a catheter sleeve 1, wherein the catheter sleeve 1 is of a cylindrical structure, a base 2 is arranged at the bottom end of an inner cavity of the catheter sleeve 1, the catheter sleeve 1 and the base 2 are integrally formed, a vacuum insulation layer is arranged in the catheter sleeve 1 and the base 2, a placing table 3 is arranged in the catheter sleeve 1, the placing table 3 is made of nickel-iron alloy, the placing table 3 is round, a shaft hole 33 is arranged at the center of the placing table 3, the shaft hole 33 is a through hole, a central shaft 4 is inserted in the shaft hole 33, the shaft hole 33 and the central shaft 4 are in a "+" shape, the placing table 3 can not rotate independently due to the limitation of the shapes of the shaft hole 33 and the central shaft 4, but can move up and down, the positioning of the placing table 3 is more accurate, when the central shaft 4 is not moving, the placing table 3 can not rotate, when the central shaft 4 rotates, the placing table 3 can be driven to rotate along with the rotating table, four circular grooves are formed in the upper surface of the placing table 3 and annularly arranged around the shaft hole 33, threads are formed in the side wall of the circular grooves, collecting bottles 5 are arranged in the circular grooves, the collecting bottles 5 are made of nickel-iron alloy materials, the collecting bottles 5 are circular, the upper ends of the collecting bottles 5 are open ends, the collecting bottles 5 are placed in the circular grooves and are connected with the circular grooves in a screwing mode, when the central shaft 4 rotates to drive the placing table 3 to rotate or the placing table 3 moves up and down, the collecting bottles 5 also rotate along with the rotating table, marking strips made of transparent materials, such as glass or plastics, are arranged on the side wall of the collecting bottles 5, red scale mark lines are arranged on the marking strips, and the three scale mark lines correspond to 20ml, 35ml and 50ml respectively.
The upper end of the catheter sleeve 1 is provided with an upper cover 6, the section of the upper cover 6 is circular, the upper cover 6 is buckled on the side wall of the catheter sleeve 1 through threaded connection, the upper cover 6 is provided with a threaded through hole, a bottle cap 7 is connected to the threaded through hole in a screwed mode, an observation strip 8 is arranged on one side, adjacent to the bottle cap 7, of the catheter sleeve 1, the observation strip 8 is made of glass material, the transparency of the glass material is higher than that of plastic material, a doctor can observe scale mark lines on the collecting bottle 5 through the observation strip 8 more easily, the lower end of the bottle cap 7 is provided with a sealing gasket 9, the thickness of the sealing gasket 9 is 5mm, the sealing gasket is made of magnetic rubber, an alloy magnet is further arranged between the bottle cap 7 and the sealing gasket 9, two connecting pipes are respectively detachably connected to the bottle cap 7, the bottle cap 7 and the sealing gasket 11 penetrate through the bottle cap 7 and the sealing gasket 9 into the catheter sleeve 1, the upper end of the negative pressure tube 10 is connected with a small negative pressure suction machine, the upper end of the liquid suction tube 11 is connected with a perfusion tube 13, the perfusion tube 13 is also connected with a water injection tube 12, the liquid suction tube 11 and the water injection tube 12 are branches of the perfusion tube 13, the perfusion tube 13 is inserted into a biopsy hole of a bronchoscope, and then enters a lung segment or a bronchoopening of a sub-lung segment as required along with the bronchoscope entering a patient's lung, so that lavage and lavage of bronchoalveoli can be realized through the perfusion tube 13, a controller 14 is detachably connected to the liquid suction tube 11, the controller 14 can be a two-way valve or an infusion regulator, the opening and closing state of the liquid suction tube 11 can be controlled through the switch of the controller 14, when the controller 14 is in an open state, the liquid suction tube 11 is also in an open state, and liquid can flow into the liquid suction tube 11 from the perfusion tube 13, when the controller 14 is closed, the liquid suction tube 11 is in a closed state, and the liquid in the infusion tube 13 cannot flow into the liquid suction tube 11.
When the upper cover 6 is buckled on the catheter sleeve 1, the bottle cap 7 is screwed in the upper cover 6, at the moment, among four collecting bottles 5 in the circular groove on the placing table 3, one collecting bottle 5 is positioned right below the bottle cap 7 and is not contacted with the bottle cap 7, the lower ends of the liquid suction pipe 11 and the negative pressure pipe 10 are positioned outside the collecting bottle 5, when the placing table 3 ascends, the collecting bottle 5 ascends along with the ascending, the lower ends of the liquid suction pipe 11 and the negative pressure pipe 10 are positioned inside the collecting bottle 5, the open end of the collecting bottle 5 is contacted with the sealing gasket 9 on the bottle cap 7, the sealing effect is improved through the sealing gasket 9, a closed space is formed in the collecting bottle 5, at the moment, the controller 14 is opened, and the small negative pressure suction machine is started, so that negative pressure is formed in the collecting bottle 5, and lavage liquid is pumped through the liquid suction pipe 11 and the infusion pipe 13.
The center of the upper cover 6 is provided with a pressing hole, a lifting piece 15 is arranged in the pressing hole, the lower end of the lifting piece 15 is in threaded connection with the upper end of the central shaft 4, the central shaft 4 can be controlled to move up and down through the lifting piece 15, the lower end of the central shaft 4 is provided with a clamping rod 16, the clamping rod 16 can pass through a shaft hole 33 on the placing table 3, the clamping rod 16 can limit and control the rotation of the placing table 3, the lower end of the clamping rod 16 is provided with a pushing part 18, the pushing part 18 is cylindrical, the pushing part 18 is a cone, the pushing part 18 is inserted into the base 2, a blind hole 19 is arranged on the base 2, the pushing part 18 is inserted into the blind hole 19, four blocking channels 20 are arranged on the side wall of the blind hole 19, the blocking channels 20 are arranged in the base 2 in an annular array, the blocking channels 20 surround the blind hole 19, the blocking strips 21 are arranged in the blocking channels 20, the blocking strip 21 is provided with a compression reset spring at one end in the blocking channel 20, the blocking strip 21 is provided with a clamping head 22 at one end close to the blind duct 19, the four clamping heads 22 are all positioned in the blind duct 19 and are not contacted with each other, when the clamping head 22 is pushed, the clamping head 22 moves into the blocking channel 20 so as to enable the blocking strip 21 to move towards the direction of the compression reset spring, the compression reset spring is in a compressed state, when the clamping head 22 loses pushing force, the compression reset spring resets, the blocking strip 21 is pushed to move towards the blind duct 19, and pushes the clamping head 22 out of the blocking channel 20, when the clamping head 22 is positioned in the blind duct 19, the pushing part 18 of the central shaft 4 is positioned above the clamping head 22, the pushing part 18 is supported by the clamping head 22 so as not to move downwards and fall down, but when the downward pushing force is manually applied to the central shaft 4, the pushing portion 18 moves downward to press the engagement head 22 into the blind hole 19.
Four insert rod holes 34 are arranged on the upper surface of the base 2, each insert rod hole 34 is respectively communicated with different blocking channels 20, a supporting rod 23 is arranged in each insert rod hole 34, the supporting rod 23 can move up and down in each insert rod hole 34, a supporting ring 24 is arranged at the upper end of each supporting rod 23, each supporting ring 24 is annular, the lower surface of each supporting ring 24 is connected with the supporting rod 23, the upper surface of each supporting ring 24 is contacted with the lower surface of the corresponding placement table 3, the supporting rings 24 support the placement table 3, a roller 25 is arranged at the lower end of each supporting rod 23, a terrace with edges 26 is arranged on each blocking strip 21, a slideway is arranged on each terrace with edges 26, the roller 25 of each supporting rod 23 is positioned in the slideway, the side surface of each terrace with edges 26 close to the corresponding roller 25 is an arc surface, and the roller 25 can roll better, the lifting structure is composed of the supporting ring 24, the supporting rod 23 and the terrace with edges 26, under the normal state, the supporting rod 23 is positioned in the inserting rod hole 34 and the blocking channel 20, the lower surface of the supporting ring 24 is contacted with the upper surface of the base 2, when the clamping head 22 moves the blocking strip 21 towards the direction of the compression reset spring, the roller 25 rolls on the side surface of the terrace with edges 26 and gradually moves towards the top end of the terrace with edges 26, along with the movement of the roller 25, the supporting rod 23 also gradually rises, when the compression reset spring is in the compressed state, the roller 25 is positioned at the top end of the terrace with edges 26, the supporting rod 23 is completely ejected out of the blocking channel 20, so that the supporting rod 23 drives the supporting ring 24 to rise, thereby driving the placing table 3 to rise, the rising placing table 3 drives the collecting bottle 5 to rise, and the upper end of the collecting bottle 5 is contacted with the bottle cap 7.
The supporting ring 24 in the lifting structure is an electromagnet, the supporting rod 23, the terrace with edges 26, the roller 25 and the blocking strip 21 are made of conductive metal materials, such as copper-nickel alloy, copper-aluminum alloy, copper-tin alloy or stainless steel, a touch switch is arranged in the blocking channel 20, the touch switch is communicated with 220v power supply through the base 2, the supporting ring 24 is not magnetic in a normal state, but when the blocking strip 21 moves to the touch switch, current is conducted to the lifting structure through the blocking strip 21, so that the supporting ring 24 has magnetism, the collecting bottle 5 also has certain magnetism when the supporting ring 24 has magnetism due to the fact that the placing table 3 and the collecting bottle 5 are made of nickel-iron alloy and have good magnetic conductivity, then the collecting bottle 5 contacts with the sealing gasket 9 when the collecting bottle 5 contacts with the bottle cap 7, the sealing gasket 9 is made of magnetic rubber and also has certain magnetic conductivity, therefore, the collecting bottle 5 and the sealing gasket 9 can attract each other to improve the sealing efficiency and the sealing effect, but the self magnetism of the sealing gasket 9 is very weak due to the characteristic of magnetic rubber, even though the magnetism of the electromagnet influences the magnetic powder in the sealing gasket 9 after being electrified, the magnetism of the electromagnet is general, in order to further improve the sealing rate and the sealing effect, an alloy magnet is arranged between the sealing gasket 9 and the bottle cap 7, the sealing of the sealing gasket 9 to the collecting bottle 5 can be realized faster and better through the magnetic attraction of the alloy magnet and the collecting bottle 5, so that a closed space is formed in the collecting bottle 5, when a power supply is disconnected, the supporting ring 24 does not have magnetism, so that the placing table 3 and the collecting bottle 5 do not have magnetism, but due to the nickel-iron alloy material of the electromagnet, the alloy magnet still has a certain attraction to the collecting bottle 5, but along with the falling of the supporting ring 24, the attractive force of the device cannot keep the current positions of the placement table 3 and the collection bottle 5, so that the placement table 3 drives the collection bottle 5 to fall.
The side wall of the guide tube sleeve 1 is provided with a storage groove, a saline bottle 27 is placed in the storage groove, the saline bottle 27 can contain 500ml of sterile saline, the temperature of the sterile saline is controlled at 37 ℃ or room temperature, the side wall of the saline bottle 27 is connected with a hose, the other end of the hose is connected with a syringe, the syringe and the water injection tube 12 are detachably connected through a check valve 28, lavage liquid can be prevented from flowing backwards into the syringe through the check valve 28, the syringe comprises a hollow tube, the hose is connected with the hollow tube, the joint of the hose and the hollow tube is provided with a one-way valve 29, the sterile saline in the saline bottle 27 can be controlled to enter the hollow tube through the hose, but the sterile saline in the hollow tube cannot enter the saline bottle 27 through the hose, a piston head is arranged in the hollow tube, the piston head is connected with a piston rod and a piston handle, the piston handle is positioned at the tail end of the piston rod, the middle end of the piston rod is further provided with a middle end grab handle 30, the piston handle can be pushed upwards by a single hand when the piston handle is pulled through the arrangement of the middle end grab handle 30, the piston handle can be pushed upwards, and the piston handle can be pushed upwards when the piston handle is pushed a certain distance, and the sterile saline can not be pulled into the hollow tube 30 through the hollow handle, and can not be further pushed into the hollow handle 30, and can be further moved into the hollow tube 30 through the sterile saline through the hollow handle, and can be further pulled into the hollow handle 30.
For better preservation lavage liquid, will place the inside hollow structure that sets up of platform 3, make it form the inner space, be provided with on the platform 3 and put in mouthful 31, can put in the ice-cube through putting in mouthful 31 to the inner space of placing the platform 3, cool down to placing the platform 3 through the ice-cube, then in will low temperature conduction to collecting bottle 5 through placing the platform 3, cool down lavage liquid in the collecting bottle 5, and because all there is the vacuum heat preservation in the lateral wall of catheter sleeve 1 and the base 2, can be better carry out the low temperature to lavage liquid in the collecting bottle 5 and preserve, and because the setting of vacuum heat preservation, make the inside temperature of catheter sleeve 1 can not influence the outer brine bottle 27 of catheter sleeve 1, make the temperature of brine bottle 27 still can control around room temperature or 37 ℃.
The two clamping pieces 17 are arranged on the base 2, the clamping pieces 17 comprise pressure resetting pieces 32, the pressure resetting pieces 32 are arranged on the lower surface of the supporting ring 24, square buckles are formed between the two clamping pieces 17, the cross section of each clamping rod 16 is square, each clamping rod 16 penetrates through the corresponding square buckle, the clamping pieces 17 clamp the clamping rods 16, the right angles on the clamping pieces 17 are attached to the edges of the clamping rods 16, the clamping rods 16 cannot be easily rotated, when the clamping rods 16 rotate, the clamping pieces 17 move to two sides, the square buckles formed by the clamping pieces 17 are opened, the right angles of the clamping pieces 17 are not attached to the edges of the clamping rods 16, so that the rotation of the clamping rods 16 is achieved, when the clamping rods 16 rotate to 90 degrees, the edges of the clamping rods 16 are attached to the right angles of the clamping rods 17 again, the clamping rods 16 cannot be easily rotated, the clamping rods 16 can be better aligned to the rotation center shafts 3 through the matching of the clamping pieces 17 and the clamping rods 16, and the positioning of the bottle cap 3 can be accurately placed on the rotary table 3, and the bottle cap 3 can be accurately placed on the rotary table, and the bottle cap 3 can be aligned with the rotary table.
When in use, the saline bottle 27 is filled with sterile normal saline, then the saline bottle 27 is placed in the containing groove, then the piston rod is pulled to enable the sterile normal saline to enter the empty pipe of the injector, then one hand of a doctor controls the bronchoscope to enter the bronchus of a patient with the infusion tube 13, the bronchoscope is embedded in a selected lung segment, then the other hand of the doctor can apply pressure to the piston rod by pressing the piston handle and the middle end grab handle 30 on the piston rod, so that the piston rod extrudes the sterile normal saline in the empty pipe out of the injector, at the moment, the controller 14 is in a closed state, therefore, the sterile normal saline enters the water injection tube 12 after passing through the check valve 28, the infusion tube 13 cannot enter the liquid suction tube 11, so that the infusion tube 13 can enter the bronchus to lavage alveoli of a patient, at the moment, the controller 14 on the liquid suction tube 11 is opened, the small negative pressure aspirator is opened to enable the small negative pressure aspirator to intermittently operate, however, at the moment, the bottle cap 7 and the collecting bottle 5 are in a separated state, so that negative pressure cannot be formed in the collecting bottle 5, the central shaft 4 is controlled to move downwards by pressing the lifting piece 15, the pushing part 18 is moved downwards to be inserted into the blind hole 19, the clamping head 22 is extruded into the blocking channel 20, the blocking strip 21 drives the ridge 26 to move, the supporting rod 23 is moved on the slideway by the roller 25, the supporting rod 23 is moved upwards in the inserting rod hole 34, the supporting ring 24 is driven to move upwards, the supporting ring 24 pushes the placing table 3 to move upwards, so that the collecting bottle 5 approaches to the bottle cap 7, when the pushing part 18 completely enters the blind duct 19, the clamping head 22 completely enters the blocking channel 20, the roller 25 on the supporting rod 23 is positioned at the highest point of the prismatic table 26, the collecting bottle 5 contacts with the sealing gasket 9, the blocking strip 21 contacts with the touch switch, the supporting ring 24 is electrified, so that the supporting ring 24 has magnetism, and the collecting bottle 5 also has certain magnetism due to good magnetic conductivity of the materials of the placing table 3 and the collecting bottle 5, the magnetic field of the collecting bottle 5 influences the magnetic powder in the sealing gasket 9, the collecting bottle 5 and the sealing pad 9 have certain attractive force, the attractive force to the collecting bottle 5 is further enhanced through the alloy magnet, the collecting bottle 5 and the sealing pad 9 are quickly attracted and attached, a closed space is formed in the collecting bottle 5, the lavage liquid in the bronchus is attracted through the negative pressure of 50 mmHg to 100mmHg formed by the operation of the small negative pressure aspirator, the lavage liquid is attracted into the collecting bottle 5 through the infusion tube 13 and the liquid suction tube 11, then the lavage liquid extraction amount is determined through the observation strip 8 and the scale mark line, when the lavage liquid extraction amount reaches the requirement, the small negative pressure aspirator is closed, the controller 14 is closed, the lifting piece 15 is pulled upwards, the central shaft 4 drives the pushing part 18 to move upwards, the blocking strip 21 and the clamping head 22 are pushed by the compression reset spring, the blocking strip 21 drives the prismatic table 26 to move, the push rod descends in the inserted rod hole 34 and drives the supporting ring 24 to descend, the supporting ring 24 cannot support the placing table 3, at the moment, the placing table 3 can fall downwards after the supporting ring 24 is lost due to the weight of ice cubes in the placing table 3, the collecting bottle 5 is driven to fall while the placing table 3 falls, the collecting bottle 5 is separated from the bottle cap 7, and the collecting bottle 5 can be better preserved with the lavage liquid due to the fact that the ice cubes in the placing table 3 cool the collecting bottle 5, and the temperature in the catheter sleeve 1 can be better guaranteed not to change and rise easily due to the arrangement of the vacuum layer;
The infusion bottle is characterized in that the infusion bottle is prepared to be used for lavaging other lung segments, the lifting piece 15 is rotated firstly to drive the central shaft 4 to rotate, the placement table 3 can also rotate along with the central shaft 4 through the matching of the central shaft 4 and the shaft hole 33 of the placement table 3, when the central shaft 4 drives the placement table 3 to rotate ninety degrees, the empty collecting bottle 5 is positioned under the bottle cover 7, the corner angle of the clamping rod 16 and the clamping piece 17 are in a bonding state, the clamping rod 16 cannot be easily rotated, the collecting bottle 5 is ensured to be positioned under the bottle cover 7, deviation cannot occur, then a piston rod is pulled through a piston handle and a middle-end grab handle 30 on the injector, due to the arrangement of the middle-end grab handle 30, a doctor can operate by one hand, sterile physiological saline is extracted into the hollow tube through a hose and a one-way valve 29, then a bronchoscope is controlled to move to other lung segments needing lavaging, and then the lavaging operation is performed again.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a bronchus alveolus lavage is with pipe assembly, includes the transfer line, divides two branches on the transfer line, is water injection pipe and drawing liquid pipe respectively, is connected with the syringe on the water injection pipe, its characterized in that: the liquid suction pipe is connected with a conduit assembly, the conduit assembly comprises a conduit sleeve and a base, an upper cover is arranged on the conduit sleeve, a bottle cap is screwed in the upper cover, the liquid suction pipe is connected with the bottle cap, a small negative pressure suction machine is further connected to the bottle cap, a sealing gasket is arranged at the lower end of the bottle cap, the sealing gasket is made of magnetic rubber, and an alloy magnet is further arranged between the sealing gasket and the bottle cap;
the base is inserted with a central shaft, the lower end of the central shaft is provided with a clamping rod, the lower end of the clamping rod is provided with a pushing part, the base is provided with a blind duct, the pushing part can be inserted into the blind duct, the central shaft is sleeved with a placing table, the placing table can rotate along with the rotation of the central shaft, the placing table is provided with four collecting bottles, the collecting bottles are screwed on the placing table through threads, the collecting bottles can be attached to the bottle caps, and the placing table and the collecting bottles are made of nickel-iron alloy materials;
The lifting structure comprises a supporting ring arranged below the placing table, the supporting ring is an electromagnet, a supporting rod is arranged below the supporting ring, a prismatic table is arranged below the supporting rod, a slideway is arranged on the prismatic table, the side edges of the prismatic table are arc-shaped surfaces, a roller is arranged at the lower end of the supporting rod and is positioned in the slideway, and the lifting and the descending of the supporting ring can be controlled through the lifting structure;
Be provided with four separation passageway in the base, separation passageway and blind hole way intercommunication are provided with the barrier strip in the separation passageway, and the terrace with edge sets up on the barrier strip, and the one end of barrier strip is provided with compression reset spring, and the other end of barrier strip is provided with the block head, and the block head is located one side that is close to blind hole way, and wherein bracing piece, terrace with edge, gyro wheel and barrier strip are made for electrically conductive metal material, are provided with touch switch in the separation passageway, and touch switch passes through base intercommunication 220v power.
2. A bronchoalveolar lavage catheter assembly as defined in claim 1 wherein: the vacuum insulation layer is arranged in the catheter sleeve and the base, and the observation strip is arranged on the side wall of the catheter sleeve and is made of glass.
3. A bronchoalveolar lavage catheter assembly as defined in claim 1 wherein: the placing table is provided with a placing opening, the placing table is internally provided with a hollow structure, and ice cubes are accommodated in the placing table.
4. A bronchoalveolar lavage catheter assembly as defined in claim 1 wherein: the lower extreme of center pin be provided with the block pole, the cross-section of block pole is square, is provided with two block pieces rather than complex on the base, is provided with the pressure piece that resets on the block piece, two block pieces combination form square mouth, the block pole passes in the square mouth.
5. A bronchoalveolar lavage catheter assembly as defined in claim 1 wherein: the syringe is connected with a hose, a saline bottle is connected with the hose, and a one-way valve is arranged on the hose.
6. A bronchoalveolar lavage catheter assembly as defined in claim 1 wherein: the water injection pipe on be provided with the check valve, be provided with the controller on the drawing liquid pipe.
CN202410303584.3A 2024-03-18 2024-03-18 Catheter assembly for bronchoalveolar lavage Active CN117883655B (en)

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CN107261241A (en) * 2017-06-13 2017-10-20 尹文艳 A kind of bronchoalveolar lavage device for assistant diagnosis Child Mycoplasma Pneumonia
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