CN110215556A - A kind of division of respiratory disease alveolar wass device - Google Patents

Abstract

The invention discloses a respiratory alveolar lavage device, which comprises a jacket and a recovery bottle. A catheter is inserted inside the jacket, an inner tube is inserted inside the catheter, and the bottom ends of the catheter and the inner tube are provided with There is a lavage tube intersecting the corresponding position between the catheter and the jacket. When transferring the recovered liquid, the alveolar lavage device of the respiratory department can rotate the tray through the toggle block to drive the diversion tube to move, and continuously The blade touches and squeezes until it is cut. At this time, the cut diversion tube falls into the lower net, and the tube hole completely coincides with the blade. Because the bottom of the tray near the tube hole is covered with a rubber film , increasing the extrusion and friction between the tray and the knife surface, making the two closer, greatly avoiding the chance of contact with the outside air, and the recovery bottle can be placed in a sterile environment, and the bottle neck can be unscrewed, The lavage waste liquid can be extracted for detection and experimentation, which greatly improves the accuracy of the experiment.

Description

A kind of respiratory alveolar lavage device

technical field

The invention relates to the technical field of medical devices, in particular to an alveolar lavage device for respiratory department.

Background technique

Alveolar lavage is a process in which the lavaged lung segment is first local anesthetized, and then the lavage fluid mainly composed of normal saline at 37°C is injected into the alveoli, and the lavage fluid is recovered by negative pressure.

At present, when the alveolar irrigation device transfers the recovery bottle containing the recovery solution, the drainage tube needs to be pulled out, but the recovery solution will often come into contact with the outside air, resulting in pollution, which not only affects the accuracy of the experimental results, but may also lead to the spread of germs In the air, etc. The problem is still for us to solve.

Contents of the invention

The purpose of the present invention is to provide an alveolar lavage device for respiratory department to solve the problem in the above-mentioned background technology that when the drainage tube is removed from the transfer recovery bottle, the recovery liquid will contact with the outside air, resulting in pollution.

In order to achieve the above object, the present invention provides the following technical solutions: a respiratory alveolar lavage device, including a jacket and a recovery bottle, the inside of the jacket is inserted with a catheter, the inside of the catheter is inserted with an inner tube, the catheter and The bottom ends of the inner tubes are all provided with through holes, and a lavage tube is connected at the corresponding position of the catheter and the jacket, and a check valve is installed on the lavage tube, and a pair of valves is installed on the end of the lavage tube away from the jacket. take over, the top of the jacket is equipped with a top block, the inner tube runs through to the top of the top block, and the top of the inner tube is connected to a negative pressure pump, the negative pressure pump is fixed on the top block, and the inner tube and There is a recovery pipe intersecting at the corresponding position of the jacket, a one-way valve is installed on the recovery pipe, and a diversion pipe is installed on the end of the recovery pipe far away from the jacket, and the diversion pipe extends into the recovery bottle. The bottleneck of the recovery bottle is a threaded structure, and the inner side of the bottleneck is rotatably connected with a tray, and a tube hole is opened on the tray, and a toggle block is fixed on the surface of the tray corresponding to the tube hole, and the inner side of the bottleneck is close to the tray The bottom end is equipped with a blade.

Preferably, the area of the blade is larger than the area of the tube hole, and a rubber film is bonded around the bottom surface of the tray near the tube hole.

Preferably, a net is bonded to the position corresponding to the bottom end of the inner side of the bottle neck and the pipe hole.

Preferably, the toggle block is an L-shaped structure, and the toggle block is close to the inner edge of the bottle neck.

Preferably, the inside of the inner tube is slidably connected with a blocking ball, the top end of the blocking ball is connected with an elastic line, the inside of the top block is rotatably connected with a support rod, and the other end of the elastic line is wound on the support rod , and the part where the support rod passes through the top block is butted with a rotary block.

Preferably, the diameter of the blocking ball is greater than the diameter of the through hole at the bottom of the inner tube.

Preferably, a snap ring is fixed on the outer side of the outer casing by screws.

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

Preferably, the blocking ball is made of a medical PVC plastic material, and the inside of the blocking ball is a counterweight sandstone.

Compared with prior art, the beneficial effect of the present invention is:

1. When the pulmonary alveolar lavage device transfers the recovered fluid, the tray can be rotated by the dial to drive the diversion tube to move, and it will continuously contact and squeeze the blade until it is cut open. At this time, the diversion tube will be cut off. The tube falls into the net at the lower end, and the tube hole completely coincides with the blade. Since the bottom of the tray is covered with a rubber film near the tube hole, the extrusion and friction between the tray and the blade surface are increased, making the The two are closer together, which greatly avoids the chance of contact with the outside air, and the recovery bottle can be placed in a sterile environment, and the bottle neck can be unscrewed to extract the lavage waste liquid for detection and experimentation, which greatly improves the the accuracy of the experiment.

2. The inner tube of the pulmonary alveolar lavage device is covered with a catheter, and the lavage fluid is discharged from the catheter, and the through hole at the bottom of the inner tube will be blocked by the internal blocking ball to avoid backflow of the lavage fluid, and it can be rotated Rotate the column, so that the elastic thread is continuously wound on the support rod, and the blocking ball is driven away from the through hole. By increasing the space, a small negative pressure is generated to suck the lavage waste liquid into the inner tube, and then continue to add it from the catheter. The new lavage fluid makes the lavage fluid and lavage waste fluid in a relative flow state in the alveoli. During the process of constantly updating the lavage fluid, the efficiency of lavage is greatly improved and the lavage is more thorough.

Description of drawings

Fig. 1 is entity rendering of the present invention;

Fig. 2 is the structure schematic diagram of recovery bottle of the present invention;

Fig. 3 is the perspective effect diagram of the bottleneck of the present invention;

Fig. 4 is a schematic diagram of the catheter structure of the present invention.

In the figure: 1. jacket, 2. snap ring, 3. catheter, 4. inner tube, 5. lavage tube, 6. recovery tube, 7. one-way valve, 8. butt joint tube, 9. top block, 10. Rotary block, 11, negative pressure pump, 12, diversion tube, 13, recovery bottle, 14, bottleneck, 15, tray, 16, toggle block, 17, pocket net, 18, blade, 19, pipe hole, 20, Blocking ball, 21, elastic thread, 22, support rod.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-4, the present invention provides a technical solution: a respiratory alveolar lavage device, including a jacket 1 and a recovery bottle 13, the inside of the jacket 1 is interspersed with a catheter 3, and the outside of the jacket 1 is fixed with a clip The ring 2 and the clasp 2 can be placed on the biopsy hole of the fibrous bronchus, the inner tube 4 is interspersed inside the catheter 3, the bottom ends of the catheter 3 and the inner tube 4 are provided with through holes, and the corresponding position of the catheter 3 and the jacket 1 There is a lavage tube 5 intersecting with each other, and a one-way valve 7 is installed on the lavage tube 5. The one-way valve 7 prevents the backflow of the lavage fluid, and the end of the lavage tube 5 far away from the jacket 1 is equipped with a butt joint 8. The connecting pipe 8 can be connected with the packaging bag containing the lavage fluid. By hanging the packaging bag of the lavage fluid higher, the lavage fluid is introduced into the human body by gravity. The tube 4 runs through to the top of the top block 9, and the top of the inner tube 4 is connected with a negative pressure pump 11. The negative pressure pump 11 rotates through the blades to draw out the internal air flow to generate a negative pressure, and the waste liquid for lavage is drawn out, and the negative pressure The pressure pump 11 is fixed on the top block 9, and the inner pipe 4 is connected with the recovery pipe 6 at the corresponding position of the outer casing 1. The recovery pipe 6 is equipped with a check valve 7, and the end of the recovery pipe 6 away from the outer casing 1 is installed with a The guide tube 12 extends into the recovery bottle 13 .

The bottleneck 14 of the recovery bottle 13 is a threaded structure, and the inner side of the bottleneck 14 is rotatably connected with a tray 15, and the tray 15 is provided with a pipe hole 19, and a toggle block 16 is fixed on the surface of the tray 15 corresponding to the pipe hole 19. The moving block 16 is an L-shaped structure, and the moving block 16 is close to the inner edge of the bottleneck 14, and the moving block 16 leans against the bottleneck 14, which is more convenient and labor-saving when rotating, and the stability is also better. 14 inboards are equipped with a blade 18 near the bottom of the tray 15. The area of the blade 18 is greater than the area of the tube hole 19, so that when the blade 18 overlaps with the tube hole 19, the blade 18 can block the tube hole 19 to avoid the entry of outside air. And the bottom surface of the tray 15 is bonded with a rubber film near the tube hole 19, and the rubber film thickens the tray 15 near the tube hole 19, so that the surface of the tray 15 and the blade 18 produces a larger extrusion force and frictional force, The airtight effect is greatly improved, and the bottom end of the bottle neck 14 inside is bonded with a net 17 corresponding to the tube hole 19, and the net 17 can catch the cut-off draft tube 12.

The inside of the inner tube 4 is slidingly connected with a blocking ball 20, the top of the blocking ball 20 is connected with an elastic line 21, and the inner rotation of the top block 9 is connected with a support rod 22, and the other end of the elastic line 21 is wound on the support rod 22, and supports The part of the rod 22 that runs through the top block 9 is connected with the rotary block 10, the diameter value of the blocking ball 20 is greater than the diameter value of the through hole at the bottom end of the inner tube 4, and the blocking ball 20 falls in the inner tube 4, so that the through hole at the bottom end of the inner tube 4 can be closed. The hole is blocked to avoid the reflux of the lavage fluid. After the alveoli are filled once, the rotary block 10 can be rotated to drive the support rod 22 to rotate, and the elastic thread 21 can drive the blocking ball 20 to rise. At this time, a slight negative force is generated. pressure, so that the lavage waste liquid is sucked, and then the new lavage liquid can be poured in, so that the injection of the new lavage liquid and the removal of the lavage waste liquid are carried out simultaneously, which greatly improves the efficiency of lavage, and the lavage liquid It has been in a flowing state, making the irrigation effect more thorough.

Working principle: when the present invention is used, the user puts the clasp 2 in the biopsy hole on the fiberoptic bronchoscope, then drips the hanging lavage fluid and connects it with the docking tube 8, and then injects the lavage fluid so that the lavage fluid passes through The lavage tube 5 enters the catheter 3, and enters the alveoli from the through hole at the bottom of the catheter 3 until it is filled, then rotates the rotary block 10 to drive the support rod 22 to rotate, and drives the blocking ball 20 to rise through the elastic thread 21. Until the blocking ball 20 rises inside the top block 9, then start the negative pressure pump 11 to generate negative pressure, suck the lavage waste liquid into the recovery tube, enter the guide tube 12, and then discharge it into the recovery bottle 13 , and then you can continue to inject new lavage fluid, so that the rate of the discharged lavage waste fluid is equal to the rate of the added lavage fluid, so that the lavage fluid in the alveoli is in a flowing state, which greatly improves the efficiency of lavage, and the lavage After the completion, the toggle block 16 can be rotated to drive the guide tube 12 part on the tray 15 to contact and squeeze the blade 18. At this time, the overlapping part of the pipe hole 19 and the blade 18 is getting bigger and bigger, and then continue to rotate, so that The guide tube 12 is cut off and falls into the net 17 inside the bottleneck 14. At this time, the tube hole 19 is completely overlapped with the blade 18 to avoid the entry of outside air, so that the experiment is more accurate, and the whole workflow ends. The content not described in detail in this description belongs to the prior art known to those skilled in the art.

Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the present invention, any modifications, equivalent replacements, improvements, etc., shall be included in the protection scope of the present invention.

Claims (7)

1. a kind of division of respiratory disease alveolar wass device, including housing (1) and returnable bottle (13), it is characterised in that: the housing (1) Inside is interspersed with conduit (3), and the inside of the conduit (3) is interspersed with inner tube (4), and the bottom end of the conduit (3) and inner tube (4) is equal Through-hole, the conduit (3) and Xiang Guanyou irrigating tube (5) at housing (1) opposite position are offered, is pacified on the irrigating tube (5) Equipped with check valve (7), and irrigating tube (5) is equipped with butt tube (8) far from the one end of housing (1), the top peace of the housing (1) Equipped with jacking block (9), said inner tube (4) is through to the top of jacking block (9), and the top of inner tube (4) is connected with negative pressure pump (11), institute It states negative pressure pump (11) to be fixed on jacking block (9), Xiang Guanyou recovery tube (6) at said inner tube (4) and housing (1) opposite position, It is equipped with check valve (7) on the recovery tube (6), and diversion pipe is installed on one end of recovery tube (6) separate housing (1) (12), the diversion pipe (12) stretches in returnable bottle (13), and the bottleneck (14) of the returnable bottle (13) is helicitic texture, and bottle It is rotatably connected on the inside of neck (14) pallet (15), is offered pore (19) on the pallet (15), the table of the pallet (15) It is fixed with slide block (16) on face with pore (19) corresponding position, the bottom end on the inside of the bottleneck (14) close to pallet (15) is pacified Equipped with blade (18).

2. a kind of division of respiratory disease alveolar wass device according to claim 1, it is characterised in that: the area of the blade (18) Greater than the area of pore (19), and surrounding of pallet (15) bottom surface at pore (19) is bonded with rubber membrane.

3. a kind of division of respiratory disease alveolar wass device according to claim 1, it is characterised in that: on the inside of the bottleneck (14) Blanket net (17) are bonded at bottom end and pore (19) opposite position.

4. a kind of division of respiratory disease alveolar wass device according to claim 1, it is characterised in that: the slide block (16) is L Shape structure, and slide block (16) is close to the inner side edge edge of bottleneck (14).

5. a kind of division of respiratory disease alveolar wass device according to claim 1, it is characterised in that: the inside of said inner tube (4) It slidably connects stifled ball (20), the top of the stifled ball (20) is connected with elastic thread (21), and the inner rotation of the jacking block (9) connects It is connected to support rod (22), the other end of the elastic thread (21) is wrapped on support rod (22), and support rod (22) runs through jacking block (9) part is to being connected to spin-block (10).

6. a kind of division of respiratory disease alveolar wass device according to claim 1, it is characterised in that: the diameter of the stifled ball (20) Numerical value is greater than the diameters of inner tube (4) bottom end through-hole.

7. a kind of division of respiratory disease alveolar wass device according to claim 1, it is characterised in that: the outside of the housing (1) Snap ring (2) are fixed with by screw.