CN112206390B - Tracheotomy intubation oxygen connecting pipe - Google Patents
Tracheotomy intubation oxygen connecting pipe Download PDFInfo
- Publication number
- CN112206390B CN112206390B CN202011233892.1A CN202011233892A CN112206390B CN 112206390 B CN112206390 B CN 112206390B CN 202011233892 A CN202011233892 A CN 202011233892A CN 112206390 B CN112206390 B CN 112206390B
- Authority
- CN
- China
- Prior art keywords
- channel
- joint
- air cavity
- oxygen
- piston
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 239000001301 oxygen Substances 0.000 title claims abstract description 25
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000002627 tracheal intubation Methods 0.000 title claims description 7
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 230000000903 blocking effect Effects 0.000 claims description 23
- 238000001125 extrusion Methods 0.000 claims description 22
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 72
- 239000007853 buffer solution Substances 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 206010036790 Productive cough Diseases 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 210000003802 sputum Anatomy 0.000 description 2
- 208000024794 sputum Diseases 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0465—Tracheostomy tubes; Devices for performing a tracheostomy; Accessories therefor, e.g. masks, filters
-
- A61M1/0023—
-
- 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0875—Connecting 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
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
-
- 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
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
-
- 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
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
-
- 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
- A61M2210/1032—Trachea
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses an oxygen connecting pipe of a tracheotomy tube, which comprises a connecting pipe body and air supply joint air outlet joints positioned at two ends of the connecting pipe body, wherein the air supply joint is connected with an oxygen machine, the air outlet joint is connected with a connecting port of the tracheotomy tube, the air outlet joint comprises an inserting part, a joint part, a first part and a second part, the inserting part is connected with the joint part, the joint part is connected with the first part, the first part is connected with the second part, the second part is connected with the connecting pipe body, a sealing component is arranged on the side wall of the inserting part, and the sealing component can seal the inserting part and the connecting port.
Description
Technical Field
The present invention relates to tracheotomy tubes.
Background
The tracheotomy tube is used for adult patients needing anesthesia, artificial ventilation or other assisted respiration, and mainly comprises an outer cannula, a fixed wing, an inner cannula (which can be repeatedly used or disposable), an introducer and a fixed belt.
Current trachea opens intubate oxygen connecting pipe, either medical personnel self-control, or outside purchase, on the one hand and the leakproofness of intubate are not strong, need force sealed dismantlement performance not strong again, and oxygen air feed velocity of flow is also unstable simultaneously, has influenced the use of disease.
Disclosure of Invention
The invention discloses an oxygen connecting pipe of a tracheotomy intubation, which comprises a connecting pipe body and air supply joint air outlet joints positioned at two ends of the connecting pipe body, wherein the air supply joint is connected with an oxygen machine, and the air outlet joint is connected with a connecting port of the tracheotomy intubation, the air pressure in the sealed air cavity can be changed to enable the elastic membrane to expand outwards so as to seal the insertion part and the connecting port and enable the elastic membrane to contract from the outside; the joint part is internally provided with a ventilation channel, the outer side of the joint part is provided with a chute, the side surface of the chute is provided with a fixed groove, the side wall of the joint part is provided with a control unit, the control unit controls the air pressure in the sealed air cavity, the control unit comprises a contact part and an extrusion piston which are positioned in the sealed air cavity, the contact part is fixed in the sealed air cavity, a spring is arranged between the extrusion piston and the contact part, the extrusion piston can move in the sealed air cavity to extrude the spring and change the air pressure of the sealed air cavity, the extrusion piston is provided with a rod piece, the rod piece can rotate relative to the extrusion piston, the rod piece is connected with a connecting rod;
the middle of the first part is a small ventilation channel, the middle of the second part is a large ventilation channel, the large channel is communicated with the small channel, the sectional area of the small channel is smaller than that of the large channel, the side surface of the small channel is a negative pressure channel, the negative pressure channel extends from the small channel to the large channel, a driving piston is arranged in the negative pressure channel, the driving piston is connected with a blocking piece, the air pressure change in the negative pressure channel drives the driving piston to move, and then the blocking piece is driven to move, and the flow rate of oxygen in the large channel can be controlled by the movement of the blocking piece. The blocking piece comprises a vent hole, and the size of the vent hole in the large channel is changed by moving the blocking piece so as to change the oxygen flow rate. The second part is internally provided with an annular groove, the edge of the blocking piece is clamped in the annular groove, and the blocking piece can move along the annular groove in at least one direction. The driving piston is connected with the blocking piece through a connecting column. The sliding groove is communicated with the sealing air cavity, and the sliding block can be rotated into the fixing groove to fix the position of the sliding block and further fix the position of the extrusion piston.
Drawings
FIG. 1 is a schematic view of a tracheotomy tube
FIG. 2 is a schematic view of a cleaning tube;
FIG. 3 is a schematic diagram of a flow rate control unit;
FIG. 4 is a schematic view of a liquid outlet channel;
FIG. 5 is a connection diagram of the operation of the controller of the present invention;
FIG. 6 is a schematic view of a connecting tube;
FIG. 7 is a schematic view of an air outlet fitting;
FIG. 8 is a schematic view of a seal assembly;
FIG. 9 is a control unit;
FIG. 10 is a schematic view of the slider in two states;
FIG. 11 is a schematic view of the seal assembly when sealed;
FIG. 12 is a schematic view of a drive piston or the like;
fig. 13 is a schematic view of a drive piston or the like;
the labels in the figure are: the labels in the figure are: 100-tube body, 110-liquid inlet channel, 111-liquid outlet, 120-liquid outlet channel, 121-liquid suction port, 200-air bag, 210-inner bag, 220-outer bag, 300-connecting port, 410-inflating needle, 420-inflating needle, 500-clear liquid tube, 510-liquid inlet tube, 520-liquid outlet tube, 530-flow rate control unit, 531-connecting channel, 532-first piston, 533-second piston, 534-movable plate, 5341-light source, 535-first spring, 536-second spring, 537-positioning column, 538-position sensor, 539-air pressure sensor, 600-oxygen connecting tube, 610-air outlet joint, 611-inserting part, 612-sealing component, 6121-sealing air cavity, 6122-sealing channel, 6123-elastic membrane, 613-control unit, 6131-contact piece, 6132-spring, 6133-extrusion piston, 6134-rod piece, 6135-connecting rod, 6136-sliding block, 614-joint part, 6141-sliding groove, 6142-fixing groove, 615-first part, 6151-negative pressure channel, 616-small channel, 617-second part, 6171-annular groove, 618-driving piston, 619-blocking piece, 6191-air vent, 6110-connecting column, 620-air supply joint and 630-connecting pipe body.
Detailed Description
The embodiment discloses an oxygen connecting tube for tracheotomy tube, as shown in fig. 6, the oxygen connecting tube 600 comprises a connecting tube body 630 and an air outlet connector 610 of an air supply connector 620 located at two ends of the connecting tube body 630, the air supply connector is connected with an oxygen machine, and the air outlet connector is connected with a connector 300 of the tracheotomy tube.
As shown in fig. 7, the outlet connector 610 includes an insertion portion 611, a connector portion 614, a first portion 615 and a second portion 617, the insertion portion is connected to the connector portion (the lower end of fig. 7), the connector portion is connected to the first portion, the first portion is connected to the second portion, the second portion 617 is connected to the connecting pipe body 630, and a sealing member 612 is disposed on a sidewall of the insertion portion and capable of sealing a space between the insertion portion and the connecting port 300.
As shown in fig. 7 and 8, the sealing assembly includes a sealing air cavity 6121 in the insertion portion, a sealing passage 6122 extending from the sealing air cavity to the outside, and an elastic membrane 6123 at the outer end of the sealing passage, the sealing air cavity extends to the side wall of the joint portion, the air pressure in the sealing air cavity can be changed to expand the elastic membrane to the outside to further seal between the insertion portion and the connection port and shrink the elastic membrane from the outside, as shown in fig. 8, which is a state when the elastic membrane is contracted, as shown in fig. 11, which is a state when the elastic membrane is expanded.
As shown in fig. 7, the joint portion 614 is provided with a ventilation channel therein, as shown in fig. 10, the joint portion is viewed from the outside, a sliding groove 6141 is provided on the outer side of the joint portion, a fixing groove 6142 is provided on the side surface of the sliding groove, a control unit 613 is provided on the side wall of the joint portion, the control unit controls the air pressure in the sealed air cavity, the control unit includes a collision member 6131 and an extrusion piston 6133 which are located in the sealed air cavity 6121, the collision member is fixed in the sealed air cavity, a spring 6132 is provided between the extrusion piston and the collision member, the extrusion piston can move in the sealed air cavity to extrude the spring and change the air pressure in the sealed air cavity, a rod member 6134 is provided on the extrusion piston, the rod member can rotate relative to the extrusion piston, the rod member is connected with a connecting rod, the sliding groove is communicated with the sealing air cavity 6121, and the sliding block can be rotated into the fixing groove to fix the position of the sliding block and further fix the position of the extrusion piston.
When the connection tube and the insertion tube need to be sealed, the sliding block 6136 slides downwards to the bottom and then slides into the fixing groove 6142, the corresponding rod and the extrusion piston 6133 move downwards, then the spring is extruded, the air pressure of the sealing air cavity 6121 is increased, the elastic membrane 6123 is exaggerated, and the state as shown in fig. 11 is achieved for sealing. When the sealing is not needed, the sliding block is taken out of the fixing groove 6142, and slides to the uppermost end of the sliding groove 6141 under the reset extrusion of the spring, so that the sealing air cavity becomes small, the elastic membrane contracts, and the state as shown in fig. 8 is achieved. The invention can conveniently seal the connecting pipe and the insertion pipe, has good sealing effect, is not easy to leak gas, can increase the tightness between the connecting pipe and the insertion pipe while being easy to seal, and ensures that the connecting pipe and the insertion pipe are not easy to fall off.
As shown in fig. 7, a small vent passage 616 is arranged in the middle of the first part 615, a large vent passage is arranged in the middle of the second part, the large vent passage is communicated with the small vent passage, the sectional area of the small vent passage is smaller than that of the large vent passage, so that larger air flow exists in the small vent passage, a negative pressure passage 6151 is arranged on the side surface of the small vent passage, the negative pressure passage extends from the small vent passage to the large vent passage, a driving piston (618) is arranged in the negative pressure passage, the driving piston is connected with a blocking piece 619, the blocking piece is in an oval shape and the like, the air pressure change in the negative pressure passage drives the driving piston to move, and further drives the blocking piece 619 to move, and. The blocking piece 619 includes a vent port 6191, and the movement of the blocking piece changes the size of the vent port in the large channel to change the oxygen flow rate. An annular groove 6171 is arranged in the second part, the edge of the blocking piece is clamped in the annular groove 6171, and the blocking piece can move along the annular groove in at least one direction. The driving piston is connected with the barrier through a connecting column 6110.
When the air flow in the small channel 616 becomes larger, the air pressure in the negative pressure channel is reduced at this time, so that the driving piston 618 moves towards the left direction as shown in fig. 12, and further the blocking piece moves towards the left side, thereby reducing the exposed area of the vent in the large channel, and further reducing the air flow rate in the large channel.
The invention also discloses an intubation matched with the connecting pipe of the invention, as shown in fig. 1, the invention discloses a tracheotomy intubation with a clear liquid function, which comprises a pipe body 100, wherein the outer tail end of the pipe body 100 is provided with a connecting port 300, the connecting port is connected with the connecting pipe of the invention, the connecting port is connected with a breathing machine so as to supply oxygen to a human body through the pipe body, the inner tail end of the pipe body 100 is provided with an air bag 200, the outer tail end is also provided with an inflation needle 410 for inflating and deflating the air bag, and in other embodiments, the inflation needle can be provided by other devices capable of providing air.
As shown in fig. 1, a clear liquid tube 500 is connected to the outer end of the tube body, as shown in fig. 2, an enlarged view of the clear liquid tube is shown, as shown in fig. 2, a liquid inlet tube 510 for inputting liquid medicine, a liquid outlet tube 520 for sucking sputum and a flow rate control unit 530 are included in the clear liquid tube, the flow rate control unit 530 controls the flow rate of liquid in the liquid outlet tube 520 and the liquid inlet tube 510, the inner diameters of the liquid inlet tube 510 and the liquid outlet tube 520 are the same, as shown in fig. 3, the flow rate control unit 530 is an enlarged view of the flow rate control unit 530, the flow rate control unit includes a connecting channel 531 between the liquid inlet tube and the liquid outlet tube, a first piston 532 is disposed at one end of the connecting channel close to the liquid inlet tube 510, a second piston 533 is disposed at one end of the connecting channel close to the liquid outlet tube 520, a sealed air cavity is formed between the first piston and the second piston, a second spring 536 is arranged between the movable plate and the second piston, the first spring and the second spring are the same, a light source 5341 is arranged at the tail end of the movable plate, a positioning column 537 is further arranged on the first piston 532, the positioning column can penetrate through the movable plate 534, the movable plate can move along the positioning column so as to be capable of translating between the first piston and the second piston, a position sensor 538 is arranged in the direction opposite to the light source, the position sensor can sense the position of the light source so as to detect the translation position of the movable plate, and an air pressure sensor 539 is further arranged in the air cavity so as to acquire air pressure in the air cavity; the liquid inlet pipe 510 is also provided with a liquid inlet pump for controlling liquid inlet of the liquid inlet pipe, the liquid outlet pipe is provided with a liquid pump for controlling liquid outlet of the liquid outlet pipe, the air pressure sensor and the position sensor are both connected with the controller, the controller is connected with the liquid inlet pump and the liquid pump, and the controller controls the liquid inlet pump and the liquid outlet pump according to data obtained by the air pressure sensor and the position sensor.
The flow velocity of the liquid medicine in the liquid inlet pipe and the liquid outlet pipe influences the hydraulic pressure of the first piston and the second piston. When the flow rate of liquid inlet pipe 510 is greater than the flow rate of liquid outlet pipe 520, the hydraulic pressure that first piston received is less than the hydraulic pressure that second piston received at this time, and first piston has the trend towards the liquid inlet pipe motion, and movable plate 534 will move along with this time, and then makes light source 5341 position change, is detected by position inductor 538, and the controller controls liquid inlet pump or drawing liquid pump according to the data control liquid inlet pump that position inductor detected and adjusts the flow rate in liquid inlet pipe or the liquid outlet pipe, makes both the same.
When the velocity of flow in feed liquor pipe and the drain pipe all increased, two pistons can keep away from the motion each other, and atmospheric pressure between two pistons in this time can reduce, is detected by baroceptor, and the controller is according to data control feed liquor pump and the drain pump that baroceptor detected for the velocity of flow of feed liquor pipe and drain pipe all reduces. On the contrary, when the flow rate is reduced, the air pressure is increased, and the controller controls the liquid inlet pump and the liquid outlet pump to increase the flow rate. Therefore, the air pressure data detected by the air pressure sensor is related to the absolute flow rates of the liquid inlet pipe and the liquid outlet pipe. The position data of the light source is related to the difference between the liquid inlet flow rate and the liquid outlet flow rate, and the controller adjusts the liquid inlet flow rate and the liquid outlet flow rate to be set values according to the difference so as to ensure that clear liquid can be carried out safely in time.
A liquid inlet passage 110 is arranged in the pipe body 100 and is communicated with a liquid inlet pipe 510, a plurality of liquid outlets 111 are arranged at the tail end in the liquid inlet passage, and liquid medicine flows out of the liquid outlets; the tube body is also provided with a liquid outlet channel 120 which is communicated with the liquid outlet pipe 520, and the inner end of the liquid outlet channel is provided with a liquid suction port 121 to suck the mixed liquid of the sputum liquid medicine above the air bag into the liquid outlet channel 120. The air bag 200 comprises an inner bag 210 and an outer bag 220, wherein the outer bag covers the outer part of the inner bag, the inner bag can be inflated and inhaled, a buffer solution is arranged between the inner bag and the outer bag, and the amount of the buffer solution can be adjusted. The inner bladder is in communication with an inflation needle 410 that is capable of inflating and deflating the inner bladder. The outer end of the tube body is also provided with a liquid filling needle 420 which can fill buffer liquid and release buffer liquid into the space between the inner sac and the outer sac. The buffer solution is one of deionized water, normal saline and alcohol. The buffer solution can change the profile of the air bag according to the profile of the throat part to adapt to the shape of the throat, so that the contact area of the air bag and the throat is increased, and the extrusion of the air bag to the throat is reduced.
Claims (5)
1. The utility model provides a tracheotomy intubation oxygen connecting tube, oxygen connecting tube (600) including connecting body (630) and air feed joint (620) play gas joint (610) that is located connecting body (630) both ends, the air feed joint is connected with the oxygen machine, it connects with connector (300) of tracheotomy to go out gas joint, characterized by, it includes inserting portion (611), joint portion (614), first part (615) and second part (617) to go out gas joint, inserting portion and joint portion are connected, joint portion and first part are connected, first part and second part are connected, second part (617) and connecting body (630) are connected, be equipped with seal assembly (612) on the lateral wall of inserting portion, seal assembly can be sealed between inserting portion and connector (300), seal assembly includes sealed air cavity (6121) that is located inserting portion, sealed passageway (6122) that extends to the outside from sealed air cavity, An elastic membrane (6123) positioned at the outer end of the sealing channel, wherein the sealing air cavity extends to the side wall of the joint part, and the air pressure in the sealing air cavity can be changed so that the elastic membrane expands to the outside to further seal the insertion part and the connecting port and contract from the outside; the joint part (614) is internally provided with a ventilation channel, the outer side of the joint part is provided with a sliding groove (6141), the side surface of the sliding groove is provided with a fixing groove (6142), the side wall of the joint part is provided with a control unit (613), the control unit controls the air pressure in the sealed air cavity, the control unit comprises a collision piece (6131) and an extrusion piston (6133) which are positioned in the sealed air cavity (6121), the collision piece is fixed in the sealed air cavity, a spring (6132) is arranged between the extrusion piston and the collision piece, the extrusion piston can move in the sealed air cavity to extrude the spring and change the air pressure of the sealed air cavity, the extrusion piston is provided with a rod piece (6134), the rod piece can rotate relative to the extrusion piston, the rod piece is connected with a connecting rod (6135), the tail end;
the middle of the first portion (615) is a small ventilation channel (616), the middle of the second portion is a large ventilation channel, the large channel is communicated with the small channel, the sectional area of the small channel is smaller than that of the large channel, the side face of the small channel is a negative pressure channel (6151), the negative pressure channel extends from the small channel to the large channel, a driving piston (618) is arranged in the negative pressure channel and is connected with a blocking piece (619), the air pressure change in the negative pressure channel drives the driving piston to move, and then the blocking piece (619) is driven to move, and the blocking piece moves to control the flow rate of oxygen in the large channel.
2. The tracheostomy tube oxygen connector of claim 1 wherein said blocking tab (619) includes a vent (6191) and movement of the blocking tab changes the size of the vent in the larger passageway to vary the oxygen flow rate.
3. Tracheostomy tube oxygen connector according to claim 2, characterised in that an annular groove (6171) is provided in the second part, the edge of the blocking tab being snapped into the annular groove (6171), along which the blocking tab is movable at least in one direction.
4. The tracheostomy tube oxygen connector according to claim 3, characterized in that the drive piston is connected to the barrier blade by a connecting stub (6110).
5. Tracheostomy tube oxygen connector according to claim 4, characterised in that the chute communicates with a sealed air chamber (6121), the slide being able to be rotated into a fixed slot to fix the position of the slide and thus the position of the extrusion piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011233892.1A CN112206390B (en) | 2020-11-06 | 2020-11-06 | Tracheotomy intubation oxygen connecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011233892.1A CN112206390B (en) | 2020-11-06 | 2020-11-06 | Tracheotomy intubation oxygen connecting pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112206390A CN112206390A (en) | 2021-01-12 |
| CN112206390B true CN112206390B (en) | 2021-07-09 |
Family
ID=74058404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011233892.1A Expired - Fee Related CN112206390B (en) | 2020-11-06 | 2020-11-06 | Tracheotomy intubation oxygen connecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112206390B (en) |
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| CN112206390A (en) | 2021-01-12 |
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