WO2023198226A1 - 一种肺泡灌洗装置 - Google Patents

一种肺泡灌洗装置 Download PDF

Info

Publication number
WO2023198226A1
WO2023198226A1 PCT/CN2023/097526 CN2023097526W WO2023198226A1 WO 2023198226 A1 WO2023198226 A1 WO 2023198226A1 CN 2023097526 W CN2023097526 W CN 2023097526W WO 2023198226 A1 WO2023198226 A1 WO 2023198226A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
channel
suction
head
injection
Prior art date
Application number
PCT/CN2023/097526
Other languages
English (en)
French (fr)
Inventor
郭俊敏
孙志飞
高营营
Original Assignee
常州乐奥医疗科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 常州乐奥医疗科技股份有限公司 filed Critical 常州乐奥医疗科技股份有限公司
Publication of WO2023198226A1 publication Critical patent/WO2023198226A1/zh

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/267—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
    • A61B1/2676—Bronchoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A61M3/0279—Cannula; Nozzles; Tips; their connection means
    • A61M3/0283—Cannula; Nozzles; Tips; their connection means with at least two inner passageways, a first one for irrigating and a second for evacuating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M39/105—Multi-channel connectors or couplings, e.g. for connecting multi-lumen tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/60—General characteristics of the apparatus with identification means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/10—Trunk
    • A61M2210/1025—Respiratory system
    • A61M2210/1039—Lungs

Definitions

  • the present disclosure relates to the technical field of medical devices, and in particular to an alveolar lavage device.
  • Bronchoalveolar lavage is a noninvasive technique performed through bronchoscopy and has been widely accepted in disease diagnosis.
  • how to improve the efficiency and convenience of alveolar lavage during use of the bronchoalveolar lavage device is one of the technical problems that those skilled in the art urgently need to solve.
  • the present application aims to provide a bronchoalveolar lavage device that is more efficient in lavaging the subsegmental bronchus corresponding to the alveolar area that needs to be lavaged, and uses convenient.
  • the specific plans are as follows:
  • the invention provides an alveolar lavage device, which includes a main conduit for passing through a bronchoscope and a connecting component for connecting the outer end of the main conduit with a water injection and suction device; the inner end of the main conduit is formed for probing out
  • the bronchoscope extends into the head of the bronchus of the lung; the main body conduit has an injection and suction water channel group for water injection or water absorption.
  • the injection and suction water channel group includes at least one flow channel, and each of the flow channels extends into the head, and the head has an opening communicating with each of the flow channels; wherein the length of the main conduit is 80-150 cm, and the transverse direction of each flow channel in the injection and suction water channel group is The cross-sectional area is 0.5-6.2 square millimeters, and the length of the main conduit is positively related to the cross-sectional area of the flow channel.
  • the main tube passes through the bronchoscope and the head of the inner end is extended into the sub-segment bronchus where the patient needs to be lavaged, and the outer end of the main tube is connected to the water injection and suction device through a connecting assembly.
  • the doctor injects cleaning fluid into the corresponding bronchoalveolar through the injection and suction water channel group inside the main catheter, and the cleaning fluid is sprayed through the opening of the head of the main catheter to lavage the alveoli, and the doctor can also use the head with The opening and the injection and suction water channel group suck the cleaning fluid after lavage, thereby realizing the lavage operation on the corresponding sub-segment bronchoalveolar, which is easy to operate; at the same time, in the alveolar lavage device provided by the present invention, the main catheter The length is 80-150 cm, and the cross-sectional area of each flow channel in the main catheter is 0.5-6.2 square millimeters.
  • This size matching can reduce the flow of the main catheter during use of the alveolar lavage device.
  • the pressure loss in the channel allows water injection and suction operations to proceed smoothly.
  • the length of the main conduit is positively related to the cross-sectional area of the flow channel.
  • a flow channel with a smaller cross-sectional area requires a shorter length to obtain
  • the above-mentioned alveolar lavage device can select a main catheter of an appropriate size when matching with the bronchoscope, thereby improving the lavage efficiency.
  • the length of the main conduit is 90-120 cm, and the cross-sectional area of each flow channel in the injection and suction water channel group in the main conduit is 1.1-4.92 Square millimeters.
  • the cross-section of the flow channel in the injection and suction water channel group in the main conduit is circular, and the length of the main conduit and the inner diameter of the flow channel satisfy:
  • Y is the length of the main conduit, in centimeters
  • X is the inner diameter of the flow channel, in millimeters.
  • the opening of the head includes:
  • a top opening provided at the top of the head; and/or,
  • the side opening is provided on the wall of the head tube.
  • the tube wall of the head is provided with 1-5 side openings.
  • the head tube wall is provided with one side opening, and the area of the side opening is 0.5 to 4 square millimeters. More preferably, the area of the side opening is 0.5-2 mm2.
  • a plurality of side openings are provided on the tube wall of the head, and the plurality of side openings are arranged around the circumference of the head. Distributed at a certain distance in the axial direction of the head.
  • the distance between each side opening and the top of the head is less than or equal to 4 cm, more preferably less than or equal to 2 cm, and the optimal distance is less than or equal to 1 cm.
  • the area of the side opening closest to the head is not smaller than the area of the remaining side openings.
  • the opening of the head includes a top opening provided at the top of the head, and the diameter of the top opening is 0.3-2mm. A better choice is It is 0.5-1.5mm.
  • the injection and suction water channel group includes at least one channel, and the area of each channel in the group is greater than or equal to 0.5 square millimeters, and the inner diameter of the main conduit is 0.8-2.8mm.
  • the water injection and suction channel group includes a water injection channel and a water suction channel, the top opening is connected to the water injection channel and the water suction channel, and the side opening is connected to the water injection channel and/or The water suction channels are connected.
  • the water injection channel and the water suction channel are set up separately, and the water injection channel can supplement the air during the suction process through the water suction channel. Function, it can also perform continuous operations of water injection and suction under set conditions, and the interaction between the water injection process and the suction process is small.
  • the length of the water injection channel is greater than the length of the water suction channel, and the end of the water suction channel is inclined. It is mouth-shaped, and the opening end face smoothly transitions from the wall of the water injection channel, and the side opening is provided on the side wall of the water suction channel.
  • a part of the head is only provided with a water injection channel. The radial size of the head in this part can be made smaller so that the top of the head forms a tip structure, which is conducive to making the water injection channel more in-depth. bronchi, thereby improving the lavage effect.
  • the top opening is connected to the water chamber, and the end of the water injection channel and the end of the water suction channel are both connected to the water cavity. Said water cavity is connected.
  • the water injection channel and the water suction channel share a top opening, which is beneficial to simplifying the structure of the top of the head and reducing the size of the top of the head.
  • the connection component includes a first interface, a second interface, a third interface, a fourth interface and a valve core, wherein the first interface is a water injection port, the second interface is a water suction port, and the third interface is connected to the water injection port.
  • the water channel is connected to the first interface, and the fourth interface is connected to the water suction channel and the second interface.
  • the valve core When the valve core is activated, it is used to control the first interface and the third interface, and the second interface and the fourth interface. The connection between.
  • the connecting component is a single-handle three-way valve.
  • the head is provided with an identification mechanism for marking the opening position information.
  • the end of the head is provided with a soft buffer head structure.
  • the liquid collecting bottle has a first connecting pipe and a second connecting pipe, and the liquid collecting bottle is connected with the connecting component through the first connecting pipe, The liquid collection bottle is connected to the low negative pressure device through a second connecting pipe.
  • the length of the first connecting tube is 3-20 cm, and the inner diameter is 1.5-3 mm.
  • Figure 1 is a schematic structural diagram of an alveolar lavage device provided by an embodiment of the present application.
  • Figure 2a is a schematic diagram of a usage scenario of the alveolar lavage device provided by the present application.
  • Figure 2b is a schematic diagram of the head of the main catheter in the alveolar lavage device provided by the present application when it extends into the bronchus;
  • Figure 3a is a state diagram when only using a bronchoscope for lavage
  • Figure 3b is a schematic diagram of the head of the main catheter being filled with water when using the alveolar lavage device provided by the embodiment of the present application for lavage;
  • Figure 4 is a schematic diagram of the flow direction of the fluid during water injection and suction when the injection and suction water channel group of the main catheter in the alveolar lavage device provided by the embodiment of the present application only includes one channel;
  • Figure 5 is a schematic diagram illustrating the positive correlation between the inner diameter and length of the main catheter in the alveolar lavage device provided by the embodiment of the present application;
  • Figure 6a is a schematic structural diagram of the water injection and suction channel group of the main catheter in the alveolar lavage device provided by the embodiment of the present application, including the water injection channel and the water suction channel;
  • Figure 6b is a cross-sectional view of the main conduit of the alveolar lavage device of Figure 6a;
  • Figure 7a is another structural schematic diagram of the water injection and suction channel group of the main catheter in the alveolar lavage device provided by the embodiment of the present application, including the water injection channel and the water suction channel;
  • Figure 7b is a schematic diagram of the flow direction of fluid when water is injected into the alveolar lavage device with the structure shown in Figure 7a;
  • Figure 7c is a schematic diagram of the flow direction of fluid during suction by the alveolar lavage device with the structure shown in Figure 7a.
  • Main body conduit 11. Head; 111. Opening; 1111. Side opening; 1112, 11121, 11122, top opening; 112.
  • Injection and suction water channel group 1121, water suction channel; 1122, water injection channel; 12 , connection component; 121, water injection port; 122, water suction port; 13, identification structure; 14, spacer rib; 15, soft buffer head structure; 2, bronchoscope; 21, working channel; 3, collection bottle; 31 , the first connecting pipe; 32, the second connecting pipe; 4, low negative pressure device.
  • this application proposes a bronchoalveolar lavage device that can Precisely lavage the corresponding alveoli.
  • Figure 1 is a schematic structural diagram of a bronchoalveolar lavage device provided by an embodiment of the present application
  • Figure 2a is a schematic diagram of a usage scenario of a bronchoalveolar lavage device provided by the present application
  • Figure 2b is a schematic diagram of the head of the main catheter in the alveolar lavage device provided by the present application when it extends into the bronchus
  • Figure 3a is a state diagram when only a bronchoscope is used for lavage
  • Figure 3b is a diagram of the use of the embodiment of the present application.
  • the head of the main catheter Figure 4 is a schematic diagram of the flow direction of the fluid during water injection and suction when the injection and suction water channel group of the main catheter in the alveolar lavage device provided by the embodiment of the present application only includes one flow channel.
  • the alveolar lavage device provided by the embodiment of the present application includes a main body catheter 1 and a connecting component 12, wherein:
  • the inner end of the main conduit 1 forms a head 11 for extending into the bronchi of the lungs.
  • the main conduit 1 has an injection and suction water channel group 112 for water injection or water absorption.
  • the injection and suction water channel group 112 includes at least one flow channel, and Each flow channel of the injection and suction water channel group 112 extends into the head 11, and the head 11 has an opening 111 connected with each flow channel of the injection and suction water channel group 112;
  • the main conduit 1 is used to pass through the working chamber of the bronchoscope 2 duct 21, so that the head 1 extends into the bronchus of the lungs, as shown in Figure 1, Figure 2a and Figure 4, wherein the length of the main conduit 1 is 80-150 cm, and each of the injection and suction water passage groups 112 is
  • the cross-sectional area of the flow channel is 0.5-6.2 square millimeters, and the length of the main conduit 1 is positively related to the cross-sectional area of the flow channel;
  • the connecting component 12 is connected to the outer end of the main conduit 1 and is used to communicate the outer end of the main conduit 1 with the water injection and suction device.
  • the main catheter 1 is extended into the patient's lungs through the working cavity 21 of the bronchoscope 2, and during specific use, the bronchoscope The working cavity 21 of 2 extends into the trachea of the lungs. At this time, the head 11 of the inner end of the main catheter 1 probes out the end of the working cavity 21 of the bronchoscope 2, and further extends into the position where lavage is required.
  • the head 1 extends into the corresponding bronchus, so that all the openings 111 of the head 1 are located in the bronchus to be lavaged, at least extending into the distance of H1, and the doctor passes
  • the injection and suction water channel group 112 inside the main catheter 1 injects cleaning fluid into the corresponding sub-segment bronchoalveolar, and the cleaning fluid is ejected through the opening 111 of the head 11 of the main catheter 1 to lavage the alveoli, as shown in Figure 3b
  • the doctor can also aspirate the cleaning fluid after lavage through the opening 111 of the head 1 and the injection and suction water channel group 112, thereby realizing the lavage operation on the corresponding sub-segment bronchoalveolar, which is easy to operate.
  • the length of the main conduit 1 is 80-150 cm, and the cross-sectional area of each flow channel of the injection and suction channel group 112 in the main conduit 1 is 0.5-6.2 square millimeters.
  • This size matching can In order to reduce the pressure loss in each flow channel of the main catheter 1 during use of the alveolar lavage device, the water injection operation and the suction operation can be carried out smoothly.
  • the length of the main catheter 1 is positively related to the cross-sectional area of the flow channel. A flow channel with a smaller cross-sectional area requires a shorter length to obtain the required suction efficiency. Therefore, the above-mentioned alveolar lavage device can be used with a bronchoscope. When matching, select the main body catheter 1 of appropriate size, thereby improving the lavage efficiency.
  • the length of the main conduit 1 is 90-120 cm, and the area of each flow channel in the injection and suction water channel group 112 in the main conduit 1 is 1.1-4.92 Square millimeters.
  • the cross-section of the flow channels in the injection and suction water channel group 112 in the main conduit 1 is circular, and the length of the main conduit 1 and the inner diameter of the flow channels satisfy:
  • Y is the length of the main conduit, in centimeters
  • X is the inner diameter of the flow channel, in millimeters.
  • the hatched portion in Figure 5 is the range of suitable lengths of the main conduit 1 that can be effectively perfused corresponding to different inner diameters of the main conduit 1 .
  • the lower limit of the length of the main tube 1 is determined by the length of the bronchoscope used. Usually, the total length of the main tube 1 is at least 5mm longer than the bronchoscope. On the premise of matching the length of the bronchoscope, The length of the main tube 1 should be as short as possible, so the lower limit of 80cm of the length value of the main tube 1 shown in Figure 5 needs to be adjusted according to the actual bronchoscope length.
  • the upper limit of the length value of the main conduit 1 shown in Figure 5 is the maximum length of the main conduit 1 of a certain diameter given by the present invention that can be successfully perfused. Smooth perfusion means that the pressure during water injection is moderate, and during suction, the liquid can be extracted from the main conduit 1 at a high speed and enter the liquid collection bottle, and there is no obvious liquid column retention in the main conduit 1 .
  • the above-mentioned alveolar lavage device can be used in conjunction with the liquid collection bottle 3 and the low negative pressure device 4 during specific use.
  • the liquid collection bottle 3 can be connected to the connecting assembly through the first connecting tube 31. 12 connection to achieve communication with the injection and suction water channel group 112 of the main conduit 1.
  • the liquid collection bottle 3 is connected to the low negative pressure device 4 through the second connecting pipe 32.
  • the first connecting pipe 31 on the side of the liquid collecting bottle 3 connected to the main conduit 1 should also use a hose with a shorter length and a larger inner diameter to reduce the pressure. Poor, make suction smooth. Since the first connecting tube 31 is outside the body, there is less restriction. Considering the convenience of operation, the length of the first connecting pipe 31 is 3-20 cm, and the inner diameter is 1.5-3 mm.
  • the above-mentioned low negative pressure device 4 may be a low negative pressure device that meets the suction pressure range of 50-150 mmHg.
  • the opening 111 of the head 11 includes:
  • a top opening 1112 provided at the top of the head; and ⁇ or,
  • the side opening 1111 is provided on the wall of the head tube.
  • the above-mentioned top opening 1112 can be used to fill water, and can also be used to pump water; of course, the above-mentioned side openings can also be used to fill water, and can also be used to pump water. Absorb water.
  • the tube wall of the head 11 is provided with 1-5 side openings 1111.
  • the wall of the head 11 of the main catheter 1 may be provided with only one side opening 1111, and the area of the side opening 1111 is 0.5 to 4 square millimeters. More preferably, the area of the side opening 1111 is 0.5-2 mm2.
  • Figures 6a to 7c wherein Figure 6a is a structural schematic diagram of the water injection and suction channel group of the main catheter in the alveolar lavage device provided by the embodiment of the present application, including the water injection channel and the water suction channel; Figure 6b is a cross-sectional view of the main conduit of the alveolar lavage device of Figure 6a; Figure 7a is an embodiment of the present application
  • the provided another structural schematic diagram of the injection and suction water channel group of the main catheter in the alveolar lavage device includes a water injection channel and a water suction channel;
  • Figure 7b is a schematic diagram of the flow direction of the fluid during water injection in the alveolar lavage device with the structure shown in Figure 7a;
  • Figure 7c is a schematic diagram of the flow direction of fluid during suction by the alveolar lavage device with the structure shown in Figure 7a.
  • a plurality of side openings 1111 are provided on the wall of the head 11 of the main catheter 1 , and the plurality of side openings 1111 surround the circumference of the head 11 Distributed at a certain distance in the axial direction of the head 11, as shown in Figures 1 and 4.
  • the spray area of the head 11 when spraying cleaning fluid can be increased, thereby improving the alveolar lavage of the corresponding bronchus by the head 11 s efficiency.
  • the distance H2 between each side opening 1111 and the top of the head 11 is less than or equal to 4cm.
  • a better choice is less than or equal to 2cm, and the optimal distance is less than or equal to 2cm. equal to 1cm.
  • the area of the side opening 1111 closest to the top of the head 11 is not smaller than the area of the remaining side openings 1111 .
  • This arrangement of the side openings 1111 can ensure the uniformity of the water flow in the direction close to the top of the head 11 when water is injected and pumped.
  • the openings of the head 11 include a top opening 1112 provided at the top of the head.
  • the diameter of the top opening 1112 is 0.3-2mm, and a better choice is 0.5-2mm. 1.5mm.
  • the injection and suction water channel group 112 in the main catheter 1 includes at least one flow channel, and the area of each flow channel in the main catheter 1 is greater than or equal to 0.5 square millimeters, and the inner diameter of the main catheter is 0.8 -2.8mm.
  • injection and suction water channel group can be set up in various ways, as follows:
  • injection and suction water channel group 112 only includes one channel.
  • the cleaning liquid is poured into the corresponding bronchus from the side opening 1111 and the top opening 1112 provided on the head through the flow channel.
  • the specific liquid flow direction is the solid arrow in Figure 4 As shown; when the water in the bronchus needs to be sucked out of the bronchus, the water in the bronchus flows from the bronchus into the flow channel through the side opening 1111 and the top opening 1112 provided on the head 11.
  • the specific liquid flow direction is as shown in Figure 4 As shown by the dotted arrow; thus completing the lavage of the bronchus.
  • the injection and suction water channel group 112 in the main pipeline 1 includes two channels.
  • the two flow channels of the injection and suction water channel group 112 in the main pipeline 1 can be the water injection channel 1121 and the water suction channel 1122.
  • the top opening 1112 is connected to the water injection channel 1121 and the water suction channel 1122, and the side opening 1111 is connected to the water injection channel 1121 and the water suction channel 1122.
  • the water channel 1121 and/or the water suction channel 1122 are connected.
  • the water injection channel 1121 and the water suction channel 1122 are set up separately.
  • the water injection channel 1121 can play a role in replenishing air during the suction process through the water suction channel 1122, and can also be used in the device. Under certain circumstances, the continuous operation of water injection and suction is carried out, and the mutual influence between the water injection process and the suction process is small.
  • the length of the water injection channel 1121 is greater than
  • the length of the water suction channel 1122, the end of the water suction channel 1122 is in the shape of an oblique opening, and the opening end surface smoothly transitions to the wall of the water injection channel 1121.
  • the side wall of the water suction channel 1122 is provided with a side opening 1111. In this structure, a part of the head 11 is only provided with the water injection channel 1121.
  • the radial size of the head 11 in this part can be made relatively small, so that the top of the head 11 forms a tip structure, which is conducive to the flow of water injection.
  • Channel 1121 corresponds to the bronchus more deeply, thus improving the lavage effect.
  • water can be injected into the bronchus through the top opening 11121 on the top of the water injection channel 1121, and then the liquid in the bronchus can be sucked into the water suction channel through the top opening 11122 on the top of the water suction channel 1122 and the side openings 1111 on the side wall.
  • the bronchial lavage is completed.
  • the water suction channel 1122 can be crescent-shaped, and the water injection channel 1121 can be circular, and the two are separated by partition ribs 14 .
  • the head of the main catheter 1 has a water chamber (not shown in the figure) , the top opening 1112 is connected to the water cavity, and the end of the water injection channel 1121 and the end of the water suction channel 1122 are both connected to the water cavity.
  • the water injection channel 1121 and the water suction channel 1122 share a top opening 1112, which is beneficial to simplifying the top structure of the head 11 and reducing the size of the top of the head 11.
  • part of the cleaning fluid in the water injection channel 1121 can enter the bronchus through the top opening 1112, and part of it can enter the water suction channel 1122 through the water cavity, and pass through the water suction channel 1122.
  • the side opening 1111 enters the bronchus, and the specific liquid flow direction is shown in Figure 7b.
  • the cleaning liquid in the bronchus can be sucked into the water suction channel through the top opening 1112 and the side opening 1111 of the water suction channel 1122.
  • the water injection channel 1121 can be released, and the air can be supplied into the bronchus through the water injection channel 1121. , as shown by the dotted arrow in Figure 7c, which can further reduce the need to move the main catheter during suction, making suction smoother.
  • the connection component 12 connected to the outer end of the main catheter 1 can include a first interface, a second interface, a third interface, a fourth interface and a valve core, wherein , the first interface is the water injection port 121, the second interface is the water suction port 122, the third interface is connected to the water injection channel 1121 and the first interface, the fourth interface is connected to the water suction channel 1122 and the second interface, and is used when the valve core is activated. To control the connection between the first interface and the third interface, and the second interface and the fourth interface.
  • the injection and suction water channel group 112 in the main pipe 1 includes an injection and suction water channel for water injection and at least one air supply channel.
  • the cleaning fluid can be injected into the bronchus through the injection and suction water channel, and the cleaning fluid in the bronchus can be sucked away.
  • the cleaning fluid in the bronchus is sucked, the cleaning fluid can be injected into the bronchus through the air supply channel. Replenishing air can reduce the need to move the main catheter during suction, making suction smoother.
  • the water injection and suction channel group 112 in the main pipeline 1 includes a water injection channel 1121, a water suction channel 1122 and at least one air supply channel.
  • the head 11 of the main catheter 1 is provided with a marking mechanism 13 for marking the position information of the opening 111 .
  • the marking mechanism 13 the user can accurately obtain information on the depth of the head 11 extending into the bronchus, thereby improving the controllability of the lavage depth.
  • the end of the head 11 is provided with a soft buffer head structure 15.
  • the arrangement of the soft buffer head structure 15 can reduce damage to the bronchus when the head extends into the bronchus.
  • Embodiment 1 As shown in Figures 1 and 4, the main catheter 1 of the alveolar lavage device is a single-lumen catheter, that is, the injection and aspiration water channel group 112 only includes one channel.
  • the main conduit 1 is made of nylon material.
  • the diameter of the main conduit 1 is 1.8mm, and the diameter of the flow channel is 1.5mm.
  • the head 11 is provided with two side openings 1111, which are distributed on both sides of the flow channel.
  • the two side openings 1111 are 10mm away from the top of the head 11.
  • the length of the side openings 1111 along the axis of the head 11 is 1.5mm.
  • the circumferential width of the head 11 is 1 mm, and the diameter of the top opening 1112 is 0.98 mm.
  • This embodiment is characterized by a larger diameter of the flow channel and higher water injection and suction efficiency.
  • the opening area of the top opening 1112 is smaller than the opening area of the side opening 1111, which can reduce the occurrence of tube blockage due to negative pressure sucking sputum in the bronchus into the flow channel from the top opening.
  • the main catheter 1 in the alveolar lavage device is a double-lumen catheter, that is, the injection and aspiration water channel group 112 of the main catheter 1 includes two channels.
  • the material of the main conduit 1 is polyether block polyamide.
  • the diameter of the main conduit 1 is 2.4mm, the length of the side opening 1111 along the axis of the head 11 is 2mm, the width along the circumferential direction of the head is 1mm, and the distance from the top opening 1112 of the head 11 is 10mm; the diameter of the top opening 1112 is 1.5mm.
  • Figure 7b shows that during suction, the open water injection channel 1121 enters Synchronous air replenishment can reduce the need to move the main catheter 1 during suction, making suction smoother; water injection and suction can also be performed at the same time.
  • Embodiment 3 as a combination of Embodiments 1 and 2, can make one flow channel of the double-lumen catheter smaller and only use it for air supplementation; maximize the cross-sectional space for the other flow channel for water injection and suction. To improve water injection and suction efficiency.
  • the diameter of the main conduit 1 is 2.4mm
  • the injection and suction water channel group 112 of the main conduit 1 includes two flow channels, one flow channel has a crescent-shaped cross section, and the other flow channel
  • the cross-section is circular, in which the diameter of the circular flow channel is 1 mm, and the crescent-shaped flow channel is beveled at a distance of 5 mm from the top of the head 11.
  • the length of the side opening 1111 of the crescent-shaped flow channel along the axis of the head 11 is 1.5 mm, and the width along the circumferential direction of the head is 1 mm.
  • the material of the main conduit 1 is polyether block polyamide.
  • the top opening 11121 of the circular flow channel is used for water filling, and the side opening 1111 and the top opening 11122 of the crescent-shaped flow channel are used for suction.
  • water can be filled and sucked at the same time. Since the top opening 11121 of the circular flow channel is at the top of the head and the outgoing water flow has a certain pressure, the water flow will not be sucked out immediately.
  • the liquid level can be effectively controlled within a certain appropriate range, so that water injection and suction can proceed continuously. For patients with local infection, continuous lavage can improve the effectiveness of this protocol.
  • the inner diameter of the main conduit 1 is 2.0mm, the outer diameter is 2.4mm, the length of the main conduit 1 is set to 120cm, and the material is transparent PEBAX; the liquid collection bottle 3 is connected to the main body
  • the length of the first connecting pipe 31 on the conduit 1 side is 15 cm, the inner diameter is 3 mm, and the material is transparent PVC.
  • the main catheter 1 has a larger inner diameter and can be used with a therapeutic bronchoscope with a 2.8mm clamp to perform alveolar lavage operations.
  • Embodiment 6 In the alveolar lavage device provided in this embodiment, the inner diameter of the main catheter 1 is 1.4mm, the outer diameter is 1.8mm, the length is 98cm, and it is made of transparent nylon; the liquid collection bottle 3 is connected to the first end of the main catheter 1 side.
  • the length of the connecting pipe 31 is 15cm, the inner diameter is 3mm, and the material is transparent PVC.
  • the main catheter 1 has a smaller inner diameter and can be used with an inspection bronchoscope with a 2.0 mm clamp to perform alveolar lavage operations.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Pulmonology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Physiology (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Otolaryngology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

本发明涉及医疗器械技术领域，提供一种肺泡灌洗装置，包括用于穿过气管镜的主体导管和用于连通主体导管外端与注吸水装置的连接组件；主体导管的内端形成用于探出气管镜以伸入肺部支气管的头部；主体导管内具有用于注水或者吸水的注吸水流道组，注吸水流道组包括至少一个流道，且各流道延伸至头部内，头部具有与各流道连通的开口；其中，主体导管的长度为80-150厘米，且注吸水流道组内各流道的横截面的面积为0.5-6.2平方毫米,且主体导管的长度与流道横截面的面积正相关。该肺泡灌洗装置操作方便；上述肺泡灌洗装置可在与气管镜匹配时选取合适尺寸的主体导管，进而能够提高灌洗效率。

Description

一种肺泡灌洗装置 技术领域
本公开涉及医疗器械技术领域，具体地涉及一种肺泡灌洗装置。
背景技术
支气管肺泡灌洗是一项经支气管镜进行的无创操作技术，在疾病诊断中已经被广泛的接受。但是，肺泡灌洗装置在使用过程中，如何提高肺泡灌洗的关系效率和便利性，是本领域技术人员亟需解决的技术问题之一。
发明内容
鉴于现有技术中的上述缺陷或不足，本申请旨在提供一种肺泡灌洗装置，该肺泡灌洗装置对需要灌洗的肺泡区域对应的亚段支气管进行灌洗时效率较高，且使用方便。具体方案如下：
本发明提供一种肺泡灌洗装置，包括用于穿过气管镜的主体导管和用于连通所述主体导管外端与注吸水装置的连接组件；所述主体导管的内端形成用于探出气管镜以伸入肺部支气管的头部；所述主体导管内具有用于注水或者吸水的注吸水流道组，所述注吸水流道组包括至少一个流道，且各所述流道延伸至所述头部内，所述头部具有与各所述流道连通的开口；其中，所述主体导管的长度为80-150厘米，且所述注吸水流道组内各流道的横截面的面积为0.5-6.2平方毫米,且主体导管的长度与流道的横截面的面积正相关。
本发明提供的肺泡灌洗装置在使用时，主体导管穿过气管镜后使内端的头部伸入至患者需要进行灌洗的亚段支气管内，主体导管外端通过连接组件连接至注吸水装置；医生通过主体导管内部的注吸水流道组向对应的支气管肺泡内注入清洗液，清洗液通过主体导管的头部具有的开口喷出对肺泡进行灌洗，并且，医生还可以通过头部具有的开口以及注吸水流道组对灌洗后的清洗液进行抽吸，进而实现对对应亚段支气管肺泡的灌洗手术，操作方便；同时，本发明提供的肺泡灌洗装置中，主体导管的长度为80-150厘米，且主体导管内注吸水流道组各流道的横截面的面积为0.5-6.2平方毫米，该尺寸匹配能够以减小肺泡灌洗装置在使用过程中主体导管各流道内的压力损失，使注水作业和抽吸作业可以顺利进行。且主体导管的长度与流道横截面的面积正相关，较小横截面面积的流道需要更短的长度才能获 得所需要的抽吸效率，因此，上述肺泡灌洗装置可在与气管镜匹配时选取合适尺寸的主体导管，进而能够提高灌洗效率。
在上述技术方案的基础上，一种优选的实现方式中，所述主体导管的长度为90-120厘米，且主体导管内注吸水流道组内各流道的横截面的面积为1.1-4.92平方毫米。
更具体地，所述主体导管内的注吸水流道组中流道的横截面为圆形，且所述主体导管的长度和流道的内径之间满足：
Y＝20X+90
其中，Y是所述主体导管的长度，单位为厘米；
X是所述流道的内径，单位为毫米。
在上述技术方案的基础上，一种优选的实现方式中，所述头部具有的开口包括：
设置于所述头部顶端的顶部开口；和/或，
设置于所述头部管壁的侧部开口。
优选地，所述头部的管壁设有1-5个所述侧部开口。
进一步优选地，头部的管壁的侧部开口设有1-3个。
优选地，所述头部管壁设有一个所述侧部开口，且侧部开口的面积为0.5至4平方毫米。更优选地，侧部开口的面积是0.5-2平方毫米。
在上述技术方案的基础上，一种优选的实现方式中，所述头部的管壁上设有多个所述侧部开口，且多个所述侧部开口绕所述头部的周向分布，且在所述头部的轴向成一定间距分布。当各侧部开口用于注水时，各侧部开口采用上述方式进行分布时，能够提高头部喷出清洗液时的喷射面积，进而能够提高头部对对应支气管的肺泡灌洗的效率。
优选地，沿所述头部的轴向方向，各所述侧部开口距所述头部顶端的距离小于等于4cm，更佳的选择是小于等于2cm，最佳的距离是小于等于1cm。
优选地，沿所述头部的轴线方向，最靠近所述头部的侧部开口面积不小于其余侧部开口的面积。
在上述技术方案的基础上，一种优选的实现方式中，所述头部具有的开口包括设置于所述头部顶端的顶部开口，所述顶部开口的直径为0.3-2mm，更佳的选择是0.5-1.5mm。
在上述技术方案的基础上，一种优选的实现方式中，所述注吸水流道组包括至少一个流道，且内的各流道面积大于等于0.5平方毫米，且所述主体导管的内径为0.8-2.8mm。
优选地，所述注吸水流道组包括注水流道和吸水流道，所述顶部开口与所述注水流道及吸水流道连通，且所述侧部开口与所述注水流道和/或吸水流道连通。上述技术方案中，注水流道和吸水流道单独设置，注水流道可以在通过吸水流道进行抽吸的过程中起到补气的 作用，还可以在设定情况下进行边注水边抽吸的连续作业，注水过程和抽吸过程之间的相互影响较小。
一种优选结构中，所述主体导管的头部中，沿所述头部的轴线方向，所述注水流道的长度大于所述吸水流道的长度，所述吸水流道的端部呈斜口状、且开口端面与所述注水流道的管壁平滑过渡，所述吸水流道的侧壁设有所述侧部开口。此种结构中，头部的一部分仅设有注水流道，头部位于此部分的径向尺寸可以做的比较小，以使头部顶部形成一尖端结构，有利于使注水流道更加深入对应支气管，进而提高灌洗效果。
另一种优选结构中，所述主体导管的头部内具有水腔，所述顶部开口与所述水腔连通，所述注水流道的端部和所述吸水流道的端部均与所述水腔连通。上述方案中，注水流道和吸水流道共用一个顶部开口，有利于简化头部顶端结构，并且，减小头部顶端的尺寸。
优选地，所述连接组件包括第一接口、第二接口、第三接口、第四接口及阀芯，其中，所述第一接口为注水口，第二接口为吸水口，第三接口与注水流道及第一接口连通，第四接口与所述吸水流道及第二接口连通，所述阀芯动作时用于控制所述第一接口与第三接口、第二接口与第四接口之间的通断。
当然，在一种优选方案中，当上述肺泡灌洗装置的主体导管内注吸水流道组仅包括一个流道时，所述连接组件为单柄三通阀。
优选地，所述头部设有用于标记所述开口位置信息标识机构。
优选地，所述头部的端部设有软性缓冲头结构。
优选地，包括集液瓶和低负压装置，其中，所述集液瓶具有第一连接管和第二连接管，所述集液瓶通过所述第一连接管与所述连接组件连通，所述集液瓶通过第二连接管与所述低负压装置连通。
优选地，所述第一连接管的长度为3-20厘米，内径为1.5-3毫米。
附图说明
通过阅读参照以下附图所作的对非限制性实施例所作的详细描述本申请的其它特征、目的和优点将会变得更明显：
图1为本申请一种实施例提供的肺泡灌洗装置的结构示意图；
图2a为本申请提供的一种肺泡灌洗装置的一种使用情景示意图；
图2b为本申请提供的一种肺泡灌洗装置中主体导管中头部伸入支气管时的示意图；
图3a为仅使用气管镜进行灌洗时的状态图；
图3b为使用本申请实施例提供的肺泡灌洗装置进行灌洗时主体导管的头部注水时的示意图；
图4为本申请实施例提供的肺泡灌洗装置中主体导管的注吸水流道组仅包括一个流道时注水和抽吸时流体的流向示意图；
图5为本申请实施例提供的肺泡灌洗装置中主体导管的内径与长度之间正相关的示意图；
图6a为本申请实施例提供的肺泡灌洗装置中主体导管的注吸水流道组包括注水流道和吸水流道的一种结构示意图；
图6b为图6a的肺泡灌洗装置的主体导管的一种截面图；
图7a为本申请实施例提供的肺泡灌洗装置中主体导管的注吸水流道组包括注水流道和吸水流道的另一种结构示意图；
图7b为图7a所示结构的肺泡灌洗装置注水时流体的流向示意图；
图7c为图7a所示结构的肺泡灌洗装置抽吸时流体的流向示意图。
1，本体导管；11，头部；111，开口；1111，侧部开口；1112、11121、11122，顶部开口；112，注吸水流道组；1121，吸水流道；1122，注水流道；12，连接组件；121，注水口；122，吸水口；13，标识结构；14，隔筋；15，软性缓冲头结构；2，气管镜；21，工作腔道；3，集液瓶；31，第一连接管；32，第二连接管；4，低负压装置。
具体实施方式
下面结合附图和实施例对本申请作进一步的详细说明。可以理解的是，此处所描述的具体实施例仅仅用于解释相关发明，而非对该发明的限定。另外还需要说明的是，为了便于描述，附图中仅示出了与发明相关的部分。
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本申请。
诚如背景技术中提到的，针对现有技术中因缺乏肺泡灌洗装置等设备导致肺泡精准灌洗技术没有得到对应的发展的问题，本申请提出肺泡灌洗装置，该肺泡灌洗装置能够对相应的肺泡进行精准灌洗。
请参考图1至图4，其中，图1为本申请一种实施例提供的肺泡灌洗装置的结构示意图；图2a为本申请提供的一种肺泡灌洗装置的一种使用情景示意图；图2b为本申请提供的一种肺泡灌洗装置中主体导管中头部伸入支气管时的示意图；图3a为仅使用气管镜进行灌洗时的状态图；图3b为使用本申请实施例提供的肺泡灌洗装置进行灌洗时主体导管的头 部注水时的示意图；图4为本申请实施例提供的肺泡灌洗装置中主体导管的注吸水流道组仅包括一个流道时注水和抽吸时流体的流向示意图。
本申请实施例提供的肺泡灌洗装置，包括主体导管1和连接组件12，其中：
主体导管1的内端形成用于伸入肺部支气管的头部11，主体导管1内具有用于注水或者吸水的注吸水流道组112，注吸水流道组112包括至少一个流道，且注吸水流道组112的各个流道延伸至头部11内，头部11具有与注吸水流道组112的各流道连通的开口111；主体导管1用于穿过气管镜2的工作腔道21，以使头部1伸入肺部支气管，如图1、图2a及图4所示，其中，其中，主体导管1的长度为80-150厘米，且注吸水流道组112内各流道的横截面的面积为0.5-6.2平方毫米,且主体导管1的长度与流道的横截面的面积正相关；
连接组件12与主体导管1的外端连接，用于使主体导管1的外端与注吸水装置连通。
如图2所示，本申请实施例提供的上述肺泡灌洗装置在使用时，将主体导管1通过气管镜2的工作腔道21伸入患者的肺部，并且，具体使用过程中，气管镜2的工作腔道21伸入至肺部的气管内，此时，主体导管1内端具有的头部11探出气管镜2中工作腔道21的端部，进一步伸入至需要进行灌洗的支气管内，具体如图2a和图2b所示，头部1伸入相应的支气管内，使头部1具有的开口111全部位于待灌洗的支气管内，至少伸入H1的距离，医生通过主体导管1内部的注吸水流道组112向对应的亚段支气管肺泡内注入清洗液，清洗液通过主体导管1的头部11具有的开口111喷出对肺泡进行灌洗，如图3b所示，并且，医生还可以通过头部1具有的开口111以及注吸水流道组112对灌洗后的清洗液进行抽吸，进而实现对对应亚段支气管肺泡的灌洗手术，操作方便。同时，上述肺泡灌洗装置中，主体导管1的长度为80-150厘米，且主体导管1内注吸水流道组112各流道的横截面的面积为0.5-6.2平方毫米，该尺寸匹配能够以减小肺泡灌洗装置在使用过程中主体导管1各流道内的压力损失，使注水作业和抽吸作业可以顺利进行。且主体导管1的长度与流道横截面的面积正相关，较小横截面面积的流道需要更短的长度才能获得所需要的抽吸效率，因此，上述肺泡灌洗装置可在与气管镜匹配时选取合适尺寸的主体导管1，进而能够提高灌洗效率。
在上述技术方案的基础上，一种优选的实现方式中，所述主体导管1的长度为90-120厘米，且主体导管1内注吸水流道组112内各流道的面积为1.1-4.92平方毫米。
更具体地，如图5所示，所述主体导管1内的注吸水流道组112中流道的横截面为圆形，且所述主体导管1的长度和流道的内径之间满足：
Y＝20X+90
其中，Y是所述主体导管的长度，单位为厘米；
X是所述流道的内径，单位为毫米。
图5中斜线部分是不同主体导管1内径对应的可以进行有效灌注的合适的主体导管1的长度的范围。主体导管1长度的下限值由其配合所使用的气管镜的长度决定，通常情况下，主体导管1的总长度比气管镜多出至少5mm为宜，在和气管镜长度匹配的前提下，主体导管1的长度尽可能的短，因此图5中表示出的主体导管1长度值的下限80cm需根据实际气管镜长度调整。图5中表示出的主体导管1长度值的上限是本发明给出的一定直径的主体导管1可以进行顺利灌注的导管最大长度。顺利灌注指注水时压力适中，抽吸时液体可以在主体导管1内以较高的速度被抽出并进入到集液瓶中，主体导管1内没有明显的液柱滞留。
当然，如图2a所示，上述肺泡灌洗装置在具体使用过程中，可以配合集液瓶3和低负压装置4使用，具体地，集液瓶3可以通过第一连接管31与连接组件12连接，实现与主体导管1的注吸水流道组112连通，同时，集液瓶3通过第二连接管32与低负压装置4连接。
优选地，上述第一连接管31作为本发明的一部分，集液瓶3上接主体导管1侧的第一连接管31也应该使用较短的长度和较大内径的软管，以减小压力差，使抽吸顺利。由于第一连接管31在体外，受限较小。考虑到操作方便，第一连接管31长度为3-20厘米，内径为1.5-3毫米。
更具体地，上述低负压装置4可以选用满足抽吸压力范围为50-150mmHg的低负压装置。
在上述技术方案的基础上，请继续参考图1、图2b以及图4，一种优选的实现方式中，头部11具有的开口111包括：
设置于头部顶端的顶部开口1112；和\或，
设置于头部管壁的侧部开口1111。
在不同的使用环境中，上述顶部开口1112可以被用来进行注水，还可以被用来进行抽吸水；当然，上述的侧部开口同样可以被用来进行注水，还可以被用来进行抽吸水。
优选地，头部11的管壁设有1-5个侧部开口1111。
进一步优选地，头部11的管壁的侧部开口1111设有1-3个。
一种优选实现方式中，上述肺泡灌洗装置中，主体导管1的头部11的管壁可以仅设有一个侧部开口1111，且侧部开口1111的面积为0.5至4平方毫米。更优选地，侧部开口1111的面积是0.5-2平方毫米。具体的，可以参考图6a至图7c，其中，图6a为本申请实施例提供的肺泡灌洗装置中主体导管的注吸水流道组包括注水流道和吸水流道的一种结构示意图；图6b为图6a的肺泡灌洗装置的主体导管的一种截面图；图7a为本申请实施例 提供的肺泡灌洗装置中主体导管的注吸水流道组包括注水流道和吸水流道的另一种结构示意图；图7b为图7a所示结构的肺泡灌洗装置注水时流体的流向示意图；图7c为图7a所示结构的肺泡灌洗装置抽吸时流体的流向示意图。
在另一种优选实现方案中，上述肺泡灌洗装置中，主体导管1的头部11的管壁上设有多个侧部开口1111，且多个侧部开口1111绕头部11的周向分布，且在头部11的轴向成一定间距分布，如图1和图4所示。当各侧部开口1111用于注水时，各侧部开口1111采用上述方式进行分布时，能够提高头部11喷出清洗液时的喷射面积，进而能够提高头部11对对应支气管的肺泡灌洗的效率。
优选地，如图2b所示，沿头部11的轴向方向，各侧部开口1111距头部11顶端的距离H2小于等于4cm，更佳的选择是小于等于2cm，最佳的距离是小于等于1cm。
优选地，沿头部11的轴线方向，最靠近头部11顶端的侧部开口1111面积不小于其余侧部开口1111的面积。侧部开口1111的这种设置方式，能够保证在注水以及抽吸水时使得靠近头部11顶端方向的水流流动时的均匀性。
在上述技术方案的基础上，一种优选的实现方式中，头部11具有的开口包括设置于头部顶端的顶部开口1112，顶部开口1112的直径为0.3-2mm，更佳的选择是0.5-1.5mm。
上述各实施例提供的肺泡灌洗装置中，主体导管1内具有的注吸水流道组112包括至少一个流道，且内的各流道面积大于等于0.5平方毫米，且主体导管的内径为0.8-2.8mm。
上述注吸水流道组可以有多种设置方式，如下所述：
方式一：
请继续参考图4，上述注吸水流道组112仅包括一个流道。
在具体使用过程中，当需要向相应支气管内注水时，清洗液自头部设置的侧部开口1111以及顶部开口1112自该流道灌入对应的支气管内，具体液体流向如图4中实线箭头所示；当需要将支气管内的水抽吸出该支气管时，支气管内的水通过头部11设有的侧部开口1111以及顶部开口1112由支气管内流入流道中，具体液体流向如图4中虚线箭头所示；进而完成对该支气管的灌洗。
方式二：
请参考图6a至图7c，主体管道1中的注吸水流道组112包括两个流道。
上述方式二提供的技术方案中：
第一种具体实现方式中：
主体管道1中注吸水流道组112具有的两个流道可以为注水流道1121和吸水流道1122，顶部开口1112与注水流道1121及吸水流道1122连通，且侧部开口1111与注水流道1121和/或吸水流道1122连通。
上述方式二提供的肺泡灌洗装置，注水流道1121和吸水流道1122单独设置，注水流道1121可以在通过吸水流道1122进行抽吸的过程中起到补气的作用，还可以在设定情况下进行边注水边抽吸的连续作业，注水过程和抽吸过程之间的相互影响较小。
在上述方式二提供的肺泡灌洗装置的基础上，如图6a所示，一种优选结构中，主体导管1的头部11中，沿头部11的轴线方向，注水流道1121的长度大于吸水流道1122的长度，吸水流道1122的端部呈斜口状、且开口端面与注水流道1121的管壁平滑过渡，吸水流道1122的侧壁设有侧部开口1111。此种结构中，头部11的一部分仅设有注水流道1121，头部11位于此部分的径向尺寸可以做的比较小，以使头部11顶部形成一尖端结构，有利于使注水流道1121更加深入对应支气管，进而提高灌洗效果。具体使用过程中，可以通过注水流道1121顶部的顶部开口11121向支气管内注水，然后通过吸水流道1122顶部的顶部开口11122以及侧壁具有的侧部开口1111将支气管内的液体吸入吸水流道1122内，进而完成对支气管的灌洗。
具体地，如图6b所示，吸水流道1122可以为月牙形，注水流道1121位圆形，两者之间通过隔筋14进行分隔。
在上述方式二提供的肺泡灌洗装置的基础上，进一步地，如图7a-图7c所示，另一种优选结构中，主体导管1的头部内具有水腔(图中未示出)，顶部开口1112与水腔连通，注水流道1121的端部和吸水流道1122的端部均与水腔连通。上述方案中，注水流道1121和吸水流道1122共用一个顶部开口1112，有利于简化头部11的顶端结构，并且，可以减小头部11顶端的尺寸。
具体使用过程中，当需要向支气管内进行注水时，注水流道1121内的清洗液可以一部分通过顶部开口1112进入支气管内，一部分可以通过水腔进入吸水流道1122内，通过吸水流道1122的侧部开口1111进入支气管内，具体液体流向如图7b所示。
当需要对支气管内的液体进行抽吸时，如图7c所示，支气管内的清洗液可以通过顶部开口1112以及吸水流道1122的侧部开口1111吸入吸水流道内。
上述图6a至图7c所示的肺泡灌洗装置再具体使用过程中，当需要对支气管内的清洗液进行抽吸时，可以放开注水流道1121，通过注水流道1121向支气管内补气，如图7c所示的虚线箭头所示，进而可以减少抽吸时移动主体导管的需要，使抽吸更顺畅。
在上述方式二提供的肺泡灌洗装置的基础上，优选地，与主体导管1外端连接的连接组件12可以包括第一接口、第二接口、第三接口、第四接口及阀芯，其中，第一接口为注水口121，第二接口为吸水口122，第三接口与注水流道1121及第一接口连通，第四接口与吸水流道1122及第二接口连通，阀芯动作时用于控制第一接口与第三接口、第二接口与第四接口之间的通断。
第二种具体实现方式中：
主体管道1中的注吸水流道组112包括一个用于注吸水的注吸水流道和至少一个补气流道。具体使用时，可以通过注吸水流道向支气管内注入清洗液，以及将支气管内的清洗液抽吸走，同时，在对支气管内的清洗液进行抽吸时，可以通过补气流道向支气管内补气，可以减少抽吸时移动主体导管的需要，使抽吸更顺畅。
方式三：
主体管道1中的注吸水流道组112包括注水流道1121、吸水流道1122以及至少一个补气流道。
在上述各个实施方式提供的技术方案的基础上，优选地，如图1所示，主体导管1的头部11设有用于标记开口111位置信息的标识机构13。通过标识机构13，使用者可以准确的获得头部11伸入支气管深度信息，提高灌洗深度的可控性。
优选地，如图6a至图7c，头部11的端部设有软性缓冲头结构15。软性缓冲头结构15的设置，能够减小头部在伸入支气管内时对支气管的损伤。
具体实施例：
实施例一：如图1和图4所示，该肺泡灌洗装置的主体导管1为单腔导管，即注吸水流道组112仅包括一个流道。主体导管1的材质为尼龙材料。主体导管1的直径为1.8mm，流道的直径为1.5mm。头部11设有两个侧部开口1111，分布在流道的两侧，两个侧部开口1111距头部11的顶端10mm，侧部开口1111沿头部11轴线的长度为1.5mm，沿头部11周向的宽度为1mm，顶部开口1112的直径为0.98mm。该实施例的特点为流道的直径较大，具有较高的注水和抽吸效率。顶部开口1112的开口面积小于侧部开口1111的开口面积，可以减少负压将支气管内的痰液从顶部开口吸入流道内而堵管现象的发生。
实施例二，如图7a至图7c所示，该肺泡灌洗装置中的主体导管1为双腔导管，即，主体导管1的注吸水流道组112包括两个流道。主体导管1的材质为聚醚嵌段聚酰胺。主体导管1的直径为2.4mm，侧部开口1111沿头部11轴线的长度为2mm，沿头部周向的宽度为1mm，距离头部11顶部开口1112的距离为10mm；顶部开口1112的直径为1.5mm。该实施例的两个流道提供了更多的操作方案选择：图7b给出了在抽吸时，开放注水流道1121进 行同步补气，可以减少抽吸时移动主体导管1的需要，使抽吸更顺畅；也可以同时进行注水和抽吸。
实施例三，作为实施例一和二的结合，可以将双腔导管的一个流道做小，仅用作补气目的；将截面空间最大化地留给另外一个流道进行注水及抽吸，以提高注水和抽吸效率。
实施例四，如图6a和图6b，主体导管1的直径为2.4mm，主体导管1的注吸水流道组112包括两个流道，一个流道的横截面为月牙状，另一个流道的横截面为圆形，其中，圆形流道的直径为1mm，月牙状的流道在距离头部11顶端5mm处被斜削。月牙状流道具有的侧部开口1111沿头部11轴线的长度为1.5mm，沿头部周向的宽度为1mm。主体导管1的材质为聚醚嵌段聚酰胺。圆形流道的顶部开口11121用作注水，月牙状流道的侧部开口1111以及顶部开口11122用作抽吸功能，使用时，可以边注水边抽吸。由于圆形流道的顶部开口11121在头部的顶部、且流出的水流有一定压力，水流不会立即被抽吸出来。在注水和抽吸过程中，通过控制注液速度和抽吸压力，可以有效控制液面在一定的合适范围内，使注水和抽吸连续进行。该方案对于局部感染的患者，连续的灌洗可以提高有效性。
实施例五，本实施例提供的肺泡灌洗装置中，主体导管1的内径为2.0mm，外径为2.4mm，主体导管1的长度设置为120cm，材质透明PEBAX；集液瓶3接到主体导管1侧的第一连接管31的长度为15cm，内径为3mm，材质为透明PVC。本实施例中，主体导管1具有较大的内径，可以配合2.8mm钳道的治疗型气管镜进行肺泡灌洗操作。
实施例六：本实施例提供的肺泡灌洗装置中，主体导管1的内径为1.4mm，外径为1.8mm，长度98cm，透明尼龙材质；集液瓶3接到主体导管1侧的第一连接管31的长度为15cm，内径3mm，材质为透明PVC。本实施例中，主体导管1具有较小的内径，可以配合2.0mm钳道的检查型气管镜进行肺泡灌洗操作。
以上描述仅为本申请的较佳实施例以及对所运用技术原理的说明。本领域技术人员应当理解，本申请中所涉及的发明范围，并不限于上述技术特征的特定组合而成的技术方案，同时也应涵盖在不脱离所述发明构思的情况下，由上述技术特征或其等同特征进行任意组合而形成的其它技术方案。例如上述特征与本申请中公开的(但不限于)具有类似功能的技术特征进行互相替换而形成的技术方案。

Claims (7)

  1. 一种肺泡灌洗装置，其特征在于，包括用于穿过气管镜的主体导管和用于连通所述主体导管外端与注吸水装置的连接组件；所述主体导管的内端形成用于探出气管镜以伸入肺部支气管的头部；所述主体导管内具有用于注水或者吸水的注吸水流道组，所述注吸水流道组包括至少一个流道，且各所述流道延伸至所述头部内，所述头部具有与各所述流道连通的开口；其中，所述主体导管的长度为80-150厘米，且所述注吸水流道组内各流道的横截面的面积为0.5-6.2平方毫米,且主体导管的长度与流道横截面的面积正相关；
    所述头部具有的开口包括：设置于所述头部顶端的顶部开口；和/或，设置于所述头部管壁的侧部开口；所述头部的管壁上设有多个所述侧部开口，且多个所述侧部开口绕所述头部的周向分布，且在所述头部的轴向成一定间距分布；
    所述主体导管内的注吸水流道组中流道的横截面为圆形，且所述主体导管的长度和流道的内径之间满足：
    Y＝20X+90；
    其中，Y是所述主体导管的长度，单位为厘米；
    X是所述流道的内径，单位为毫米。
  2. 根据权利要求1所述的肺泡灌洗装置，其特征在于，所述主体导管的长度为90-120厘米，且主体导管内注吸水流道组内各流道的横截面的面积为1.1-4.92平方毫米。
  3. 根据权利要求1所述的肺泡灌洗装置，其特征在于，所述注吸水流道组包括注水流道和吸水流道，所述顶部开口与所述注水流道及吸水流道连通，且所述侧部开口与所述注水流道和/或吸水流道连通。
  4. 根据权利要求3所述的肺泡灌洗装置，其特征在于，所述主体导管的头部中；
    沿所述头部的轴线方向，所述注水流道的长度大于所述吸水流道的长度，所述吸水流道的端部呈斜口状、且开口端面与所述注水流道的管壁平滑过渡，所述吸水流道的侧壁设有所述侧部开口；或者，
    所述主体导管的头部内具有水腔，所述顶部开口与所述水腔连通，所述注水流道的端部和所述吸水流道的端部均与所述水腔连通。
  5. 根据权利要求1或2所述的肺泡灌洗装置，其特征在于，所述连接组件为单柄三通阀。
  6. 根据权利要求1-4任一项所述的肺泡灌洗装置，其特征在于，包括集液瓶和低负压装置，其中，所述集液瓶具有第一连接管和第二连接管，所述集液瓶通过所述第一连接管与所述连接组件连通，所述集液瓶通过第二连接管与所述低负压装置连通。
  7. 根据权利要求6所述的肺泡灌洗装置，其特征在于，所述第一连接管的长度为3-20厘米，内径为1.5-3毫米。
PCT/CN2023/097526 2022-04-15 2023-05-31 一种肺泡灌洗装置 WO2023198226A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210392792.6 2022-04-15
CN202210392792.6A CN114699635B (zh) 2022-04-15 2022-04-15 一种肺泡灌洗装置

Publications (1)

Publication Number Publication Date
WO2023198226A1 true WO2023198226A1 (zh) 2023-10-19

Family

ID=82175039

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/097526 WO2023198226A1 (zh) 2022-04-15 2023-05-31 一种肺泡灌洗装置

Country Status (2)

Country Link
CN (1) CN114699635B (zh)
WO (1) WO2023198226A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114699635B (zh) * 2022-04-15 2023-03-24 常州乐奥医疗科技股份有限公司 一种肺泡灌洗装置
CN117180592A (zh) * 2023-09-06 2023-12-08 常州乐奥医疗科技股份有限公司 新型灌洗导管

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4881542A (en) * 1986-03-18 1989-11-21 Christoph Schmidt Tubular flexible probe for introduction into the trachea and, respectively, into the bronchial system
US20020188166A1 (en) * 2001-06-06 2002-12-12 Anthony Viole Multilumen catheter for minimizing limb ischemia
CN205084179U (zh) * 2015-10-22 2016-03-16 上海交通大学医学院附属仁济医院 支气管镜灌洗球囊导管
CN107096085A (zh) * 2017-03-19 2017-08-29 陈菁 一种支气管肺泡灌洗导管
CN111135366A (zh) * 2020-02-10 2020-05-12 常州乐奥医疗科技股份有限公司 医用灌洗管及医用灌洗系统
CN114699635A (zh) * 2022-04-15 2022-07-05 常州乐奥医疗科技股份有限公司 一种肺泡灌洗装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090204079A1 (en) * 2007-10-17 2009-08-13 Spire Corporation Catheters with enlarged arterial lumens
KR102521954B1 (ko) * 2016-01-20 2023-04-13 씨. 알. 바드, 인크. 카테터 원위 부분 안정 특징부를 포함하는 접근 포트 및 카테터 조립체
US10905815B2 (en) * 2016-10-26 2021-02-02 Carefusion 2200, Inc. Multi-lumen indwelling catheter
CN208838088U (zh) * 2018-06-04 2019-05-10 张建军 可持续灌注并吸引的组合式输尿管软镜鞘套件
CN211751359U (zh) * 2020-01-16 2020-10-27 汉中市中心医院 双腔吸引冲洗管
CN213048930U (zh) * 2020-03-04 2021-04-27 中国医学科学院北京协和医院 一种引流管
CN215227421U (zh) * 2021-02-08 2021-12-21 上海海慧生物科技有限公司 一种纤维支气管镜呼吸道冲洗管及纤维支气管镜和配套装置
CN215134571U (zh) * 2021-05-28 2021-12-14 航天中心医院 肺泡灌洗装置
CN113398359B (zh) * 2021-06-22 2023-04-07 上海理工大学 一种肺泡灌洗系统
CN216148691U (zh) * 2021-06-29 2022-04-01 广东医科大学附属医院 一种食道闭锁持续负压吸引装置
CN113598946B (zh) * 2021-08-30 2022-07-15 宁波市第一医院 一种带负压吸引的经皮肾超微通道可视穿刺扩张一体套件

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4881542A (en) * 1986-03-18 1989-11-21 Christoph Schmidt Tubular flexible probe for introduction into the trachea and, respectively, into the bronchial system
US20020188166A1 (en) * 2001-06-06 2002-12-12 Anthony Viole Multilumen catheter for minimizing limb ischemia
CN205084179U (zh) * 2015-10-22 2016-03-16 上海交通大学医学院附属仁济医院 支气管镜灌洗球囊导管
CN107096085A (zh) * 2017-03-19 2017-08-29 陈菁 一种支气管肺泡灌洗导管
CN111135366A (zh) * 2020-02-10 2020-05-12 常州乐奥医疗科技股份有限公司 医用灌洗管及医用灌洗系统
CN114699635A (zh) * 2022-04-15 2022-07-05 常州乐奥医疗科技股份有限公司 一种肺泡灌洗装置

Also Published As

Publication number Publication date
CN114699635B (zh) 2023-03-24
CN114699635A (zh) 2022-07-05

Similar Documents

Publication Publication Date Title
WO2023198226A1 (zh) 一种肺泡灌洗装置
US9700378B2 (en) Endoscope lens cleaning device
WO2022151743A1 (zh) 一种纤维支气管镜呼吸道末梢洁净装置
DK161122B (da) Kateter af ballontype
CN109350791A (zh) 一种肺泡灌洗装置
CN114652360B (zh) 一种肺泡灌洗装置
CN201346296Y (zh) 一种改进的鼻腔冲洗器
CN219481065U (zh) 一种肺泡灌洗装置
CN210112742U (zh) 一种呼吸科临床用痰痂清除器
CN110639104A (zh) 一种医用多功能雾化给药吸痰清洁装置
CN111135366A (zh) 医用灌洗管及医用灌洗系统
CN208405543U (zh) 妇科经腹及腹腔镜手术术中冲吸装置
CN215227421U (zh) 一种纤维支气管镜呼吸道冲洗管及纤维支气管镜和配套装置
CN113398359B (zh) 一种肺泡灌洗系统
CN112674699A (zh) 一种纤维支气管镜呼吸道冲洗管及其配套装置
CN210644695U (zh) 一种吸痰范围广的吸痰装置
CN220938690U (zh) 一种内镜下呼吸道冲洗装置
CN110613521B (zh) 一种吸唾头以及口腔皮瓣修复术后用电动吸唾器
CN209092327U (zh) 一种呼吸内科吸痰护理器
CN210963449U (zh) 一种便于清理分泌物的气管插管
CN202397928U (zh) 一种具有半自动吸痰功能的气管套管
CN214906589U (zh) 一种纤维支气管镜呼吸道末梢洁净装置
CN112168314A (zh) 具有保温结构的穿刺取卵器
CN212699836U (zh) 一种深浅可视化吸痰管
CN117018323A (zh) 一种内镜下呼吸道冲洗装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23787868

Country of ref document: EP

Kind code of ref document: A1