CN116211282B - Medical sampler - Google Patents
Medical sampler Download PDFInfo
- Publication number
- CN116211282B CN116211282B CN202310165604.0A CN202310165604A CN116211282B CN 116211282 B CN116211282 B CN 116211282B CN 202310165604 A CN202310165604 A CN 202310165604A CN 116211282 B CN116211282 B CN 116211282B
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- tube
- mounting
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- 238000005070 sampling Methods 0.000 claims abstract description 53
- 239000003463 adsorbent Substances 0.000 claims abstract description 36
- 238000007664 blowing Methods 0.000 claims abstract description 30
- 239000007787 solid Substances 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000011111 cardboard Substances 0.000 description 8
- 210000002421 cell wall Anatomy 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000012855 volatile organic compound Substances 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010011224 Cough Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000090 biomarker Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000037353 metabolic pathway Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/097—Devices for facilitating collection of breath or for directing breath into or through measuring devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Physiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a medical sampler, which relates to the technical field of samplers and aims to solve the technical problem that a user cannot judge whether gas blown out by the user enters an adsorbent part or not when using the medical sampler, and the technical scheme is as follows: including a hollow sampling tube, sampling tube one end is the air inlet, and the other end is the gas outlet, the air inlet of sampling tube is connected and is used for the blowing nozzle that the patient was blown, has two first check valves that allow the exhalation gas to pass through in the sampling tube, put first adsorbent between two first check valves in the sampling tube, the one end intercommunication that is close to the gas outlet on the sampling tube has solid fixed ring, and gu fixed ring's top installs the collar through first installed part, gu the top intercommunication of collar has the gasbag.
Description
Technical Field
The invention relates to the technical field of samplers, in particular to a medical sampler.
Background
Human breath contains thousands of Volatile Organic Compounds (VOCs) present at trace levels. These VOCs are constantly produced during metabolism and released from the alveoli into the breath via blood gas exchange. Diseases are often accompanied by changes in metabolic pathways, which can result in detectable changes in the VOC distribution of exhaled breath. Thus, analysis of exhaled breath may facilitate identification of disease biomarkers and the formation of a preliminary diagnosis of a medical condition.
At present, the chinese patent with the application number CN200820033663.3 on the market discloses a breath sampler for collecting breath gas samples, which comprises a hollow sampling tube, one end of the sampling tube is an air inlet, the other end is an air outlet, the air inlet of the sampling tube is connected with a blowing nozzle for patient blowing or coughing, and two check valves allowing the exhaled air to pass through are arranged in the sampling tube.
The disadvantage of the prior art is that the user cannot determine whether the gas blown by himself enters the adsorbent portion when using, for example, when the user uses the adsorbent portion, the blown gas is small (such as blowing out a gas at one port), and the gas blown into the adsorbent is small at this time, so that the collection of the gas sample is insufficient, and the test result is affected, so the present invention provides a solution.
Disclosure of Invention
The invention aims to solve the technical problem that a user cannot judge whether the gas blown out by the user enters an adsorbent part or not when the medical sampler is used.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a medical sampler, which comprises a hollow sampling tube, wherein one end of the sampling tube is an air inlet, the other end of the sampling tube is an air outlet, the air inlet of the sampling tube is connected with a blowing nozzle for blowing air to a patient, two first one-way valves allowing exhaled air to pass through are arranged in the sampling tube, a first adsorbent is arranged between the two first one-way valves in the sampling tube, one end, close to the air outlet, of the sampling tube is communicated with a fixing ring, the top end of the fixing ring is provided with a mounting ring through a first mounting piece, and the top end of the mounting ring is communicated with an air bag.
Through adopting above-mentioned technical scheme, during the use, install the collar on solid fixed ring through first installed part, then the user holds the blowing nozzle and blows, the gas that blows off contacts with the first adsorbent in the sampling tube after first one-way valve, some substances that contain the area in the gas are adsorbed by first adsorbent, then the gas discharges the sampling tube after second one-way valve and gets into the gasbag through solid fixed ring, the collar, the user can judge whether the gas that oneself blows off gets into first adsorbent part through observing the gasbag this moment, can accomplish the collection after blowing up the gasbag, when having reduced the user and when using, the gas that blows out is few (such as blow out a mouthful gas), cause blowing into the gas in the adsorbent this moment also can be few, the collection of gas sample is insufficient, influence the condition emergence of test result, simple to use.
Preferably, the first mounting piece is including setting up a plurality of first inserted bars in the collar bottom and setting up a plurality of first arc grooves on solid fixed ring top, each the inserted bar and each first arc groove one-to-one and be located first arc inslot, each one side cell wall of first arc groove all is equipped with the draw-in groove, each one end that first inserted bar is close to the draw-in groove all is equipped with the second inserted bar that is located the draw-in groove, be equipped with on the collar and be used for restricting the restriction piece in the draw-in groove with the second inserted bar.
Preferably, the limiting piece is including setting up the second arc wall in the collar bottom, and the vertical slip in the second arc wall is connected with curved cardboard, the bottom of cardboard extends to outside the second arc wall and vertically inserts in one of them first arc wall, and at this moment the cardboard is located one side outside the second arc wall and one side contact that one of them first inserted bar deviate from the second inserted bar, and one side that first inserted bar was kept away from to the cardboard contacts with the cell wall of first arc wall, be equipped with compression spring between the tank bottom of second arc wall and the top of cardboard, rectangular shape groove has vertically been seted up to one side cell wall of second arc wall, the cardboard is close to the one end level of rectangular shape groove and is equipped with the push rod, and the one end that the push rod kept away from the cardboard passes and is equipped with the push ring from rectangular shape groove.
Preferably, the top of the fixing ring is coaxially provided with annular embedded grooves, each first arc-shaped groove is located at the outer side of each embedded groove, the bottom of the mounting ring is coaxially provided with an annular plate located in each embedded groove, and the bottom of the annular plate is provided with a rubber sealing layer which is abutted against the bottom of each embedded groove.
Preferably, the installation pipe located right above the installation ring is communicated with the upper portion of the air bag, the installation ring is connected with the installation pipe through two U-shaped connecting rods, the two connecting rods are opposite and located on two sides of the air bag respectively, a first stop valve is arranged on the installation pipe, and an extrusion piece used for extruding the air bag is arranged between the two connecting rods.
Preferably, the extrusion piece is including seting up the recess that deviates from one side each other at the connecting rod, two all the level is worn to be equipped with the horizontal post in the recess, and the one end that two horizontal posts are close to each other all extends outside the recess and all is equipped with the stripper plate, two the one end that the horizontal post deviates from each other all extends outside the recess and all is equipped with the push plate, the gasbag is located between two stripper plates.
Preferably, the top end of the mounting tube is provided with a compound sample tube through a second mounting piece, one end of the compound sample tube is provided with an air blowing port, the other end of the compound sample tube is provided with an air exhaust port, the air blowing port of the compound sample tube faces the mounting tube, the compound sample tube is communicated with the mounting tube at the moment, the compound sample tube is internally provided with two second one-way valves allowing gas to pass through, and a second adsorbent is arranged between the two second one-way valves in the compound sample tube.
Preferably, the second mounting comprises a placing ring and each elastic piece arranged at the top end of the placing ring, the top end of the mounting pipe is vertically inserted into the placing ring, the inner wall of the placing ring is fixedly connected with the mounting pipe, one end of the air blowing port of the compound pipe is vertically inserted into the placing ring from the upper part of the placing ring and is provided with a sealing ring which is abutted against the pipe opening at the top end of the mounting pipe, each elastic piece is uniformly distributed along the circumferential direction of the placing ring, an anti-slip pad is arranged above one side, close to the compound pipe, of each elastic piece, and a pushing piece which is used for pushing each elastic piece to bend towards the direction, close to the compound pipe, of the anti-slip pad on the elastic piece and the outer wall of the compound pipe are abutted against.
Preferably, the pushing piece is including setting up the screw rod in placing the ring bottom, and the circular slot has been seted up on the top of screw rod, the diameter in circular slot is unanimous with the internal diameter of placing the ring, and the cell wall in circular slot and the outer wall fixed connection of installation pipe, threaded connection has a screw thread section of thick bamboo on the screw rod, and the top of screw thread section of thick bamboo is equipped with the recipient, and each the elastic sheet all is located the recipient, and the top nozzle diameter of recipient is less than the bottom nozzle diameter of recipient, each the elastic sheet deviates from one side of compound appearance pipe all is equipped with the semicircular block with recipient inner wall contact.
Preferably, the top end of the installation pipe is communicated with a hose, one side of the outer wall of the sampling pipe is communicated with an exhaust pipe, the exhaust pipe is arranged between the first check valve and the first adsorbent, and the exhaust pipe is provided with a second stop valve.
The invention has the beneficial effects that: when the air bag is used, the mounting ring is mounted on the fixing ring through the first mounting piece, then a user holds the blowing nozzle and blows air, blown air is contacted with the first adsorbent in the sampling tube after passing through the first one-way valve, substances contained in the air are adsorbed by the first adsorbent, then the air is discharged out of the sampling tube after passing through the second one-way valve and enters the air bag through the fixing ring and the mounting ring, at the moment, the user can judge whether the blown air enters the first adsorbent part or not by observing the air bag, after the air bag is blown up, the collection can be completed, the quantity of blown air (such as blowing out a port of air) is reduced when the air bag is used by the user, at the moment, the quantity of blown air in the adsorbent is also reduced, the collection of a gas sample is insufficient, the condition affecting the test result occurs, and the air bag is simple and convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present embodiment;
fig. 2 is a schematic structural view showing a connecting rod according to the present embodiment;
fig. 3 is a schematic structural view of the push rod according to the present embodiment;
FIG. 4 is a schematic diagram of a structure of a card board according to the embodiment;
fig. 5 is a schematic structural view showing a first arc-shaped groove according to the present embodiment;
FIG. 6 is an enlarged schematic view of the portion A of FIG. 2;
fig. 7 is a schematic structural view of the present embodiment for embodying the pressing plate.
Reference numerals illustrate:
in the figure: 1. a sampling tube; 2. an air inlet; 4. an air outlet; 5. a blowing nozzle; 6. a first one-way valve; 7. a first adsorbent; 8. a fixing ring; 9. a mounting ring; 10. an air bag; 12. a first plunger; 13. a first arc-shaped groove; 14. a clamping groove; 15. a second plunger; 16. a second arc-shaped groove; 17. a clamping plate; 18. a compression spring; 19. a rectangular groove; 20. a push rod; 21. a push ring; 22. an embedding groove; 23. an annular plate; 24. a rubber sealing layer; 25. installing a pipe; 26. a connecting rod; 27. a first stop valve; 28. a groove; 29. a horizontal column; 30. an extrusion plate; 31. pushing the sheet; 32. a sampling tube; 33. an air blowing port; 34. an exhaust port; 35. a second one-way valve; 36. a second adsorbent; 37. placing a ring; 38. an elastic sheet; 39. a seal ring; 40. an anti-slip pad; 41. a screw; 42. a circular groove; 43. a thread cylinder; 44. an extrusion cylinder; 46. a semicircular block; 47. a hose; 48. an exhaust pipe; 49. and a second shut-off valve.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The utility model provides a medical treatment is with sample thief, including a hollow sampling tube 1, sampling tube 1 one end is air inlet 2, the other end is gas outlet 4, a blow nozzle 5 that is used for the patient to blow is connected to sampling tube 1's air inlet 2, have two first check valves 6 that allow the exhale gas to pass through in the sampling tube 1, put first adsorbent 7 between two first check valves 6 in the sampling tube 1, as fig. 1 and fig. 2, the one end intercommunication that is close to gas outlet 4 on the sampling tube 1 has solid fixed ring 8, and gu the top of solid fixed ring 8 installs collar 9 through first installed part, the top intercommunication of collar 9 has gasbag 10.
When the device is used, as shown in fig. 1 and 2, the mounting ring 9 is mounted on the fixed ring 8 through the first mounting piece, then a user holds the blowing nozzle 5 and blows air, blown air is contacted with the first adsorbent 7 in the sampling tube 1 after passing through the first one-way valve 6, some substances contained in the air are adsorbed by the first adsorbent 7, then the air is discharged out of the sampling tube 1 after passing through the second one-way valve 6 and enters the air bag 10 through the fixed ring 8 and the mounting ring 9, at the moment, the user can judge whether the blown air enters the first adsorbent 7 by observing the air bag 10, and after the air bag 10 is blown up, the collection can be completed, so that the number of blown air (such as blowing out of a gas) is reduced, the quantity of blown air in the adsorbent is reduced, the collection of a gas sample is insufficient at the moment, the condition of influencing the test result occurs, and the device is simple and convenient to use.
As shown in fig. 3, fig. 4 and fig. 5, the first mounting piece includes a plurality of first inserted bars 12 arranged at the bottom end of the mounting ring 9 and a plurality of first arc grooves 13 arranged at the top end of the fixing ring 8, each inserted bar corresponds to each first arc groove 13 one by one and is located in each first arc groove 13, a slot 14 is formed in one side slot wall of each first arc groove 13, a second inserted bar 15 located in the slot 14 is formed at one end, close to the slot 14, of each first inserted bar 12, a limiting piece for limiting the second inserted bar 15 in the slot 14 is arranged on the mounting ring 9, and each first inserted bar 12 is uniformly distributed along the circumferential direction of the mounting ring 9.
As shown in fig. 3, fig. 4 and fig. 5, when the mounting ring 9 is required to be mounted on the fixed ring 8, only the first insert rod 12 and the second insert rod 15 on the mounting ring 9 are required to be aligned with and inserted into the first arc-shaped groove 13, at this time, the mounting ring 9 is communicated with the fixed ring 8, then the mounting ring 9 is rotated to drive the first insert rod 12 and the second insert rod 15 to move in the first arc-shaped groove 13 towards the direction close to the clamping groove 14 until the second insert rod 15 is inserted into the clamping groove 14, then the second insert rod 15 is limited in the clamping groove 14 by the limiting piece, at this time, the mounting ring 9 can be mounted on the fixed ring 8, when the second insert rod 15 is positioned in the clamping groove 14, the top end of the second insert rod 15 is contacted with the top groove wall of the clamping groove 14, and the first insert rod 12 is contacted with one side groove wall of the clamping groove 14 in the first arc-shaped groove 13, so that the use is simple and convenient.
As shown in fig. 3 and 4, the limiting member comprises a second arc-shaped groove 16 arranged at the bottom end of the mounting ring 9, an arc-shaped clamping plate 17 is vertically slidably connected in the second arc-shaped groove 16, the bottom end of the clamping plate 17 extends out of the second arc-shaped groove 16 and is vertically inserted into one of the first arc-shaped grooves 13, at this time, one side of the clamping plate 17 positioned out of the second arc-shaped groove 16 contacts with one side of one of the first inserting rods 12, which is away from the second inserting rod 15, one side of the clamping plate 17 away from the first inserting rod 12 contacts with the groove wall of the first arc-shaped groove 13, a compression spring 18 is arranged between the groove bottom of the second arc-shaped groove 16 and the top end of the clamping plate 17, a strip-shaped groove 19 is vertically formed in the groove wall at one side of the second arc-shaped groove 16, a push rod 20 is horizontally arranged at one end of the clamping plate 17, which is close to the strip-shaped groove 19, and one end of the push rod 20 away from the clamping plate 17 passes through the strip-shaped groove 19 and is provided with a push ring 21.
As shown in fig. 4 and 5, when the first inserting rod 12 and the second inserting rod 15 on the mounting ring 9 are aligned with and inserted into the first arc-shaped groove 13, the push ring 21 is pushed to drive the push rod 20 and the clamping plate 17 to move vertically in the direction close to the bottom of the second arc-shaped groove 16 until the clamping plate 17 completely enters the second arc-shaped groove 16, at the moment, the compression spring 18 is compressed, then the first inserting rod 12 and the second inserting rod 15 on the mounting ring 9 are aligned with and inserted into the first arc-shaped groove 13, when the mounting ring 9 is rotated to drive the first inserting rod 12 and the second inserting rod 15 to move in the first arc-shaped groove 13 in the direction close to the clamping groove 14 until the second inserting rod 15 is inserted into the clamping groove 14, the second arc-shaped groove 16 is aligned with one of the first arc-shaped grooves 13, at the moment, the compressed compression spring 18 is released to drive the clamping plate 17 to move vertically in the direction close to the bottom of the first arc-shaped groove 13 until the bottom of the clamping plate 17 is vertically inserted into the first arc-shaped groove 13, and the second inserting rod 15 can be limited in the clamping groove 14 through the bottom end inserted into the first arc-shaped groove 13.
As shown in fig. 3, fig. 4 and fig. 5, the top end of the fixing ring 8 is coaxially provided with annular embedded grooves 22, each first arc-shaped groove 13 is located at the outer side of the embedded groove 22, the bottom end of the mounting ring 9 is coaxially provided with an annular plate 23 located in the embedded groove 22, and the bottom end of the annular plate 23 is provided with a rubber sealing layer 24 which is in contact with the bottom of the embedded groove 22, and the purpose of the arrangement is that when the first inserting rod 12 and the second inserting rod 15 on the mounting ring 9 are aligned with and inserted into the first arc-shaped grooves 13, the annular plate 23 on the mounting ring 9 is aligned with and inserted into the embedded groove 22, and at the moment, the rubber sealing layer 24 on the annular plate 23 is in contact with the bottom of the embedded groove 22, and at the moment, the situation that gas leaks from a gap between the mounting ring 9 and the fixing ring 8 can be reduced through the rubber sealing layer 24 occurs, so that the use is simple and convenient.
As shown in fig. 1, the installation tube 25 located right above the installation ring 9 is communicated with the upper portion of the air bag 10, the installation ring 9 is connected with the installation tube 25 through two U-shaped connecting rods 26, the two connecting rods 26 are opposite and located on two sides of the air bag 10 respectively, a first stop valve 27 is arranged on the installation tube 25, an extrusion piece for extruding the air bag 10 is arranged between the two connecting rods 26, and the purpose of the arrangement is that after the air bag 10 is blown up and collection is completed, the air bag 10 can be extruded through the extrusion piece by opening the first stop valve 27, and then gas collected in the air bag 10 can be discharged through the installation tube 25.
As shown in fig. 1, the extrusion piece is including seting up the recess 28 that deviates from one side each other at connecting rod 26, horizontal post 29 has been worn to be equipped with by the level in two recesses 28, and the one end that two horizontal posts 29 are close to each other all extends outside the recess 28 and all is equipped with stripper plate 30, the one end that two horizontal posts 29 deviate from each other all extends outside the recess 28 and all is equipped with push plate 31, gasbag 10 is located between two stripper plates 30, this setting's aim at is when gas admission gasbag 10 blows up gasbag 10, until the both sides of gasbag 10 contact with two stripper plates 30 respectively, can accomplish the collection, when need extrude gasbag 10 and make the gas of collecting in the gasbag 10 discharge through installing tube 25, only need press through two push plates 31 to the direction that is close to each other, two push plates 31 can drive two stripper plates 30 through horizontal post 29 and extrude gasbag 10 between two stripper plates 30 each other, it is simple to use.
As shown in fig. 7, the top end of the mounting tube 25 is connected with a hose 47, one side of the outer wall of the sampling tube 1 is connected with an exhaust tube 48, the exhaust tube 48 is arranged between the first check valve 6 and the first adsorbent 7 above, the exhaust tube 48 is provided with a second stop valve 49, the purpose of the arrangement is that after the air bag 10 is blown up, the hose 47 is far away from the mounting tube 25 and sleeved on the blowing nozzle 5, at the moment, the inner wall of the hose 47 sleeved on the blowing nozzle 5 is abutted against the outer wall of the blowing nozzle 5, then the first stop valve 27 and the second stop valve 49 are opened and the air bag 10 is extruded through the extrusion piece, so that the gas collected in the air bag 10 enters the hose 47 through the mounting tube 25, then enters the sampling tube 1 through the air inlet 2, then passes through the first check valve 6 and then contacts the first adsorbent 7 of the sampling tube 1 for the second time, and then the gas is discharged out of the sampling tube 1 through the exhaust tube 48, at the moment, the gas in the air bag 10 can be enabled to contact the first adsorbent 7 of the sampling tube 7 for the second time with the air bag 1, and the contact time of the first adsorbent 7 and the gas can be increased, and the result of the test can be more simple and convenient.
As shown in fig. 1, 2 and 6, the top end of the mounting tube 25 is provided with a sampling tube 32 through a second mounting member, one end of the sampling tube 32 is provided with an air blowing port 33, the other end is provided with an air exhaust port 34, the air blowing port 33 of the sampling tube 32 faces the mounting tube 25, at this time, the sampling tube 32 is communicated with the mounting tube 25, two second check valves 35 allowing air to pass through are arranged in the sampling tube 32, and a second adsorbent 36 is arranged between the two second check valves 35 in the sampling tube 32.
As shown in fig. 1, 2 and 6, the purpose of this arrangement is to mount the sample tube 32 on the mounting tube 25 by the second mounting member, when the first stop valve 27 is opened and the air bag 10 is extruded by the extrusion member so that the air collected in the air bag 10 is discharged through the mounting tube 25, the discharged air enters the sample tube 32 through the air blowing port 33 and then passes through the first second check valve 35 to contact with the second adsorbent 36 in the sample tube 32, some substances contained in the air are adsorbed by the second adsorbent 36, and then the air passes through the second check valve 35 to be discharged from the air outlet 34 to the sample tube 32, at this time, the second air sample can be collected by the second adsorbent 36, and when the first adsorbent 7 fails, at this time, the second air sample can be re-detected by the second adsorbent 36, so that the use is simple and convenient.
As shown in fig. 6, the second mounting member includes a placement ring 37 and each elastic piece 38 disposed at the top end of the placement ring 37, the top end of the mounting tube 25 is vertically inserted into the placement ring 37, and the inner wall of the placement ring 37 is fixedly connected with the mounting tube 25, one end of the air blowing port 33 of the sample tube 32 is vertically inserted into the placement ring 37 from the upper side of the placement ring 37 and is provided with a sealing ring 39 abutting against the pipe orifice at the top end of the mounting tube 25, each elastic piece 38 is uniformly distributed along the circumferential direction of the placement ring 37, and a non-slip mat 40 is disposed above one side of each elastic piece 38 close to the sample tube 32, and the placement ring 37 is provided with a pushing member for simultaneously pushing each elastic piece 38 to bend towards the direction close to the sample tube 32, so that the non-slip mat 40 on the elastic piece 38 abuts against the outer wall of the sample tube 32.
As shown in fig. 6, when the sample tube 32 is required to be mounted on the mounting tube 25, only one end of the air blowing port 33 of the sample tube 32 is required to be vertically inserted into the placement ring 37 from the upper side of the placement ring 37, so that the sealing ring 39 abuts against the top end of the mounting tube 25, at this time, each elastic piece 38 is located outside the sample tube 32, and then each elastic piece 38 is simultaneously pushed by the pushing piece to bend in the direction close to the sample tube 32, so that the anti-slip pad 40 on the elastic piece 38 abuts against the outer wall of the sample tube 32, and at this time, the sample tube 32 can be mounted on the mounting tube 25 with simple and convenient use.
As shown in fig. 6, the pushing member includes a screw 41 disposed at the bottom end of the placement ring 37, and the top end of the screw 41 is provided with a circular groove 42, the diameter of the circular groove 42 is consistent with the inner diameter of the placement ring 37, and the groove wall of the circular groove 42 is fixedly connected with the outer wall of the mounting tube 25, the screw 41 is threaded with a threaded cylinder 43, the top end of the threaded cylinder 43 is provided with an extrusion cylinder 44, each elastic piece 38 is located in the extrusion cylinder 44, the diameter of the top end cylinder opening of the extrusion cylinder 44 is smaller than the diameter of the bottom end cylinder opening of the extrusion cylinder 44, one side of each elastic piece 38 facing away from the sampling tube 32 is provided with a semicircular block 46 contacting with the inner wall of the extrusion cylinder 44, the purpose of this arrangement is to push each elastic piece 38 to bend in a direction approaching to the sampling tube 32 at the same time, so that when the anti-slip pad 40 on the elastic piece 38 abuts against the outer wall of the sampling tube 32, only the threaded cylinder 43 is required to be rotated, so that the threaded cylinder 43 moves downwards, at this moment, the inner wall of the extrusion cylinder 44 moves downwards along with the threaded cylinder 43, and the inner wall of the semicircular block 46 contacts with the semicircular block 46 until the pad 40 arranged on one end of the elastic piece 38 approaches the anti-slip pad 32 to the direction approaching the external wall of the sampling tube 32, which can be pressed by the anti-slip pad 32.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. The utility model provides a medical treatment is with sample thief, includes a hollow sampling tube (1), sampling tube (1) one end is air inlet (2), and the other end is gas outlet (4), the air inlet (2) of sampling tube (1) are connected one and are used for blowing blow mouth (5) of patient, have two first check valves (6) that allow the exhalation gas to pass through in the sampling tube (1), put first adsorbent (7) between two first check valves (6) in sampling tube (1), a serial communication, the one end that is close to gas outlet (4) on sampling tube (1) is linked together and is had solid fixed ring (8), and gu install collar (9) through first installed part on the top of solid fixed ring (8), gu the top intercommunication of collar (9) has gasbag (10);
the air bag is characterized in that an installation pipe (25) positioned right above the installation ring (9) is communicated above the air bag (10), the installation ring (9) is connected with the installation pipe (25) through two U-shaped connecting rods (26), the two connecting rods (26) are opposite and are respectively positioned at two sides of the air bag (10), a first stop valve (27) is arranged on the installation pipe (25), and an extrusion part for extruding the air bag (10) is arranged between the two connecting rods (26);
the top of installation pipe (25) is installed compound pipe (32) through the second installed part, and the one end of compound pipe (32) is gas blowing mouth (33), and the other end is gas vent (34), gas blowing mouth (33) of compound pipe (32) are towards installation pipe (25), compound pipe (32) and installation pipe (25) intercommunication this moment, have two second check valves (35) that allow the gas to pass through in compound pipe (32), put second adsorbent (36) between two second check valves (35) in compound pipe (32).
2. A medical sampler according to claim 1, characterized in that the first mounting member comprises a plurality of first inserting rods (12) arranged at the bottom end of the mounting ring (9) and a plurality of first arc-shaped grooves (13) arranged at the top end of the fixing ring (8), the inserting rods are in one-to-one correspondence with the first arc-shaped grooves (13) and are positioned in the first arc-shaped grooves (13), clamping grooves (14) are formed in one side groove walls of the first arc-shaped grooves (13), second inserting rods (15) positioned in the clamping grooves (14) are arranged at one ends, close to the clamping grooves (14), of the first inserting rods (12), and limiting members used for limiting the second inserting rods (15) in the clamping grooves (14) are arranged on the mounting ring (9).
3. A medical sampler according to claim 2, characterized in that the limiting member comprises a second arc-shaped groove (16) arranged at the bottom end of the mounting ring (9), an arc-shaped clamping plate (17) is vertically connected in the second arc-shaped groove (16) in a sliding manner, the bottom end of the clamping plate (17) extends out of the second arc-shaped groove (16) and is vertically inserted into one of the first arc-shaped grooves (13), at this time, one side of the clamping plate (17) positioned out of the second arc-shaped groove (16) is contacted with one side of one of the first inserting rods (12) deviating from the second inserting rod (15), one side of the clamping plate (17) deviating from the first inserting rod (12) is contacted with the groove wall of the first arc-shaped groove (13), a compression spring (18) is arranged between the groove bottom of the second arc-shaped groove (16) and the top end of the clamping plate (17), one side groove wall of the second arc-shaped groove (16) is vertically provided with a strip-shaped groove (19), one end of the clamping plate (17) close to the strip-shaped groove (19) is horizontally provided with a push rod (20), and one end of the push rod (20) is separated from the strip-shaped groove (17) and penetrates through the ring-shaped groove (21).
4. A medical sampler according to claim 3, characterized in that the top end of the fixing ring (8) is coaxially provided with annular embedded grooves (22), each first arc-shaped groove (13) is located outside the embedded groove (22), the bottom end of the mounting ring (9) is coaxially provided with an annular plate (23) located in the embedded groove (22), and the bottom end of the annular plate (23) is provided with a rubber sealing layer (24) which is abutted against the bottom of the embedded groove (22).
5. A medical sampler according to claim 1, characterized in that the extrusion comprises grooves (28) formed in one side of the connecting rod (26) facing away from each other, horizontal columns (29) are horizontally arranged in the two grooves (28) in a penetrating manner, one ends of the two horizontal columns (29) close to each other extend out of the grooves (28) and are respectively provided with an extrusion plate (30), one ends of the two horizontal columns (29) facing away from each other extend out of the grooves (28) and are respectively provided with a pushing piece (31), and the air bag (10) is positioned between the two extrusion plates (30).
6. A medical sampler according to claim 1, characterized in that the second mounting member comprises a placement ring (37) and elastic pieces (38) arranged at the top end of the placement ring (37), the top end of the mounting tube (25) is vertically inserted into the placement ring (37), the inner wall of the placement ring (37) is fixedly connected with the mounting tube (25), one end of a blowing port (33) of the sample-restoring tube (32) is vertically inserted into the placement ring (37) from the upper side of the placement ring (37) and is provided with a sealing ring (39) which is abutted against the pipe orifice at the top end of the mounting tube (25), each elastic piece (38) is uniformly distributed along the circumferential direction of the placement ring (37), an anti-slip pad (40) is arranged above one side of each elastic piece (38) close to the sample-restoring tube (32), and the placement ring (37) is provided with an anti-slip pad (40) for pushing each elastic piece (38) to bend towards the direction close to the sample-restoring tube (32) at the same time, so that the anti-slip pad (40) on the elastic piece (38) is abutted against the outer wall of the sample-restoring tube (32).
7. The medical sampler according to claim 6, wherein the pushing member comprises a screw rod (41) arranged at the bottom end of the placement ring (37), a circular groove (42) is formed in the top end of the screw rod (41), the diameter of the circular groove (42) is consistent with the inner diameter of the placement ring (37), the groove wall of the circular groove (42) is fixedly connected with the outer wall of the mounting tube (25), a threaded cylinder (43) is connected to the screw rod (41) in a threaded manner, an extrusion cylinder (44) is arranged at the top end of the threaded cylinder (43), each elastic piece (38) is located in the extrusion cylinder (44), the diameter of the top end cylinder opening of the extrusion cylinder (44) is smaller than that of the bottom end cylinder opening of the extrusion cylinder (44), and a semicircular block (46) in contact with the inner wall of the extrusion cylinder (44) is arranged on one side, deviating from the complex pipe (32), of each elastic piece (38).
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| CN202310165604.0A CN116211282B (en) | 2023-02-24 | 2023-02-24 | Medical sampler |
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| CN202310165604.0A CN116211282B (en) | 2023-02-24 | 2023-02-24 | Medical sampler |
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| CN116211282A (en) | 2023-06-06 |
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