CN113018627A - Nasal oxygen inhalation catheter connector capable of being connected with anesthesia machine - Google Patents
Nasal oxygen inhalation catheter connector capable of being connected with anesthesia machine Download PDFInfo
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- CN113018627A CN113018627A CN202110251705.0A CN202110251705A CN113018627A CN 113018627 A CN113018627 A CN 113018627A CN 202110251705 A CN202110251705 A CN 202110251705A CN 113018627 A CN113018627 A CN 113018627A
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- port
- nasal oxygen
- connector
- oxygen inhalation
- shell
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 72
- 239000001301 oxygen Substances 0.000 title claims abstract description 72
- 206010002091 Anaesthesia Diseases 0.000 title claims abstract description 33
- 230000037005 anaesthesia Effects 0.000 title claims abstract description 33
- 210000001503 joint Anatomy 0.000 claims abstract description 39
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 64
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 32
- 239000001569 carbon dioxide Substances 0.000 claims description 32
- 239000007789 gas Substances 0.000 claims description 9
- 230000013011 mating Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 claims 14
- 239000003994 anesthetic gas Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 7
- 206010011409 Cross infection Diseases 0.000 abstract description 6
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Images
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
- 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
- A61M16/0816—Joints or connectors
-
- 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
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0666—Nasal cannulas or tubing
- A61M16/0672—Nasal cannula assemblies for oxygen therapy
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- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Otolaryngology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a nasal oxygen inhalation catheter connector capable of being connected with an anesthesia machine, which comprises a connector main body, the bottom end of the connector main body is provided with an anesthetic gas pipeline connecting port, one end of the connector main body is connected with a filter, the anesthetic gas pipeline connecting port is connected with an anesthetic gas pipeline, the outer side end of the filter is provided with a nasal oxygen inhalation catheter connecting end, the nasal oxygen inhalation catheter is arranged at the outer side end of the connecting end of the nasal oxygen inhalation catheter, the invention aims to provide a nasal oxygen inhalation catheter which can realize the butt joint of a nasal oxygen inhalation pipeline and a threaded pipe on an anesthesia machine, therefore, the nasal oxygen supply catheter connector can provide nasal oxygen supply for a patient in the process of anesthesia of a surgical patient, and the oxygen and the use of the filter in the oxygen inhalation passage can effectively avoid cross infection of the patient caused by oxygen inhalation and avoid the cross infection.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a connector of a nasal oxygen inhalation catheter which can be connected with an anesthesia machine.
Background
In the medical service industry at present, a transnasal catheter oxygen supply device which is generally an oxygen supply flowmeter and supplies oxygen through an anesthesia machine pipeline surface cover is used for supplying oxygen for patients without trachea cannula operation. The conventional nasal oxygen inhalation pipeline is not matched with a threaded pipeline of an anesthesia machine and cannot be connected, only a mask can be used for oxygen inhalation through the anesthesia machine, and a patient in a special body position such as a prone position is difficult to fix by using the mask for oxygen inhalation.
Disclosure of Invention
In order to overcome the technical defects, the invention provides the nasal oxygen inhalation catheter connector which can realize the butt joint of the nasal oxygen inhalation catheter and a threaded pipe on an anesthesia machine, thereby providing the nasal oxygen supply for a patient in the process of performing anesthesia on a surgical patient, effectively avoiding the cross infection of the patient caused by oxygen inhalation and avoiding the cross infection due to the use of oxygen and a filter in an oxygen inhalation passage.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a pernasal oxygen uptake pipe connector of joinable anesthesia machine, includes the connector main part, set up anesthesia gas pipeline connection port on the bottom of connector main part, one of connector main part is served and is connected with the filter, be connected with anesthesia gas pipeline on the anesthesia gas pipeline connection port, the outside of filter is served and is provided with nasal oxygen uptake pipe connection end, the outside of nasal oxygen uptake pipe connection end is served and is provided with nasal oxygen uptake pipe.
Furthermore, the anesthetic gas pipeline is composed of two threaded pipes, a pipe orifice connector and a butt joint pipe sleeve, wherein the bottom end of the butt joint pipe sleeve is provided with an installation pipe sleeve, the top end of the butt joint pipe sleeve is matched with a connecting port of the anesthetic gas pipeline, the pipe orifice connector is inserted into two installation holes in the bottom end of the installation pipe sleeve, and the threaded pipes are inserted into the bottom end of the pipe orifice connector.
Further, the outside of mouth of pipe joint is served and is provided with the joint piece, the installation pipe in the joint piece outside is sheathe in and is seted up the joint groove, the cooperation of joint piece is in the joint inslot.
Further, a first butt joint port is arranged at the other end of the connector main body, and a sealing cover is matched on the outer side of the first butt joint port.
Further, the filter comprises a filter main body, a second butt joint port and a third butt joint port, the second butt joint port and the third butt joint port are respectively arranged at two ends of the filter main body, the second butt joint port is matched at one end of the connector main body, the third butt joint port is matched with one end of a connecting end of the nasal oxygen inhalation catheter, and a carbon dioxide pipeline port is arranged on the outer wall of one side of the second butt joint port.
Further, the filter main body comprises a first shell and a second shell, the third butt joint port is arranged at the outer side end of the second shell, the second butt joint port is arranged at the outer side end of the first shell, a first annular convex edge is arranged on the edge of the inner side surface of the first shell, a second annular convex edge is arranged on the edge of the outer side of the second shell, the first annular convex edge is matched with the inner side of the second annular convex edge, an inner plate is arranged in the bottom end of the second shell, a filter core is arranged on the surface of the inner plate, a first through hole is formed in the middle of the inner plate, a second through hole communicated with the nasal oxygen inhalation pipe connecting end is formed in the middle of the second shell, and one end of the nasal oxygen inhalation pipe connecting end is communicated with the second shell.
Furthermore, a matching column is arranged on the bottom surface of one side of the inner plate, the matching column penetrates through the bottom surface of the first shell, and a spherical matching block is arranged at the tail end of the matching column, which penetrates through the bottom surface of the first shell.
Further, the carbon dioxide pipeline port comprises a carbon dioxide pipeline port main body, a sliding block, a clamping block and an end cover, a matching hole is formed in the outer wall of one side of the second butt joint port, the carbon dioxide pipeline port main body is arranged in the matching hole, at least four sliding grooves are formed in the circumferential direction of the outer side end of the carbon dioxide pipeline port main body on the surface, the sliding block is matched in the sliding grooves, a threaded section is formed in the outer wall of the carbon dioxide pipeline port main body on the outer side of the sliding grooves, the end cover is matched on the carbon dioxide pipeline port main body in a threaded matching mode, a limiting block is arranged on the surface of the outer side end of the clamping block, and the clamping block is arranged.
Furthermore, the inner end and the outer end of the outer side of the sliding block are both first inclined planes, the inner side end of the end cover is a second inclined plane, and the clamping block is arc-shaped.
The invention has the beneficial effects that:
can realize the screwed pipe butt joint on intranasal oxygen uptake pipeline and the anesthesia machine to can provide the intranasal oxygen suppliment for the patient at the in-process that carries out the anesthesia to the operation patient, oxygen moreover and the use of filter in the oxygen uptake route, can effectively avoid the patient because of the cross infection that the oxygen uptake leads to, avoid cross infection, the filter is removable structure, conveniently change the filter core, carbon dioxide pipeline port can carry out fixed connection to the pipeline of carbon dioxide exhalation effectively, ensure that carbon dioxide exhalation pipeline can normally discharge carbon dioxide.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the connector body.
Fig. 3 is a schematic structural view of the filter.
Fig. 4 is a schematic structural view of a carbon dioxide pipeline port.
Fig. 5 is a schematic structural view of an anesthetic gas line.
In the figure, a connector body 1, an anesthetic gas pipeline connection port 2, a filter 3, an anesthetic gas pipeline 4, a nasal oxygen inhalation conduit connection end 5, a nasal oxygen inhalation conduit 6, a threaded pipe 7, a pipe orifice joint 8, a butt joint pipe sleeve 9, an installation pipe sleeve 10, a snap block 11, a snap groove 12, a first butt joint port 13, a sealing cover 14, a second butt joint port 16, a third butt joint port 17, a carbon dioxide pipeline port 18, a first shell 19, a second shell 20, a first annular convex edge 21, a second annular convex edge 22, an inner plate 23, a filter core 24, a first through hole 25, a second through hole 26, a matching column 27, a spherical matching block 28, a carbon dioxide pipeline port body 29, a sliding block 30, a clamping block 31, an end cover 32, a matching hole 33, a sliding groove 34, a limiting block 35, a first inclined plane 36, a second inclined plane 37, and an installation hole 38.
Detailed Description
As shown in fig. 1 to 5, the nasal oxygen inhalation catheter connector capable of being connected with an anesthesia machine comprises a connector body 1, an anesthetic gas pipeline connecting port 2 is arranged at the bottom end of the connector body 1, a filter 3 is connected to one end of the connector body 1, an anesthetic gas pipeline 4 is connected to the anesthetic gas pipeline connecting port 2, a nasal oxygen inhalation catheter connecting end 5 is arranged at the outer side end of the filter 3, and a nasal oxygen inhalation catheter 6 is arranged at the outer side end of the nasal oxygen inhalation catheter connecting end 5.
The anesthetic gas pipeline 4 is composed of two threaded pipes 7, a pipe orifice connector 8 and a butt joint pipe sleeve 9, wherein the bottom end of the butt joint pipe sleeve 9 is provided with a mounting pipe sleeve 10, the top end of the butt joint pipe sleeve 9 is matched with the anesthetic gas pipeline connecting port 2, the pipe orifice connector 8 is inserted into two mounting holes 38 in the bottom end of the mounting pipe sleeve 10, and the threaded pipes 7 are inserted into the bottom end of the pipe orifice connector 8.
The outside end that the mouth of pipe connects 8 is provided with joint piece 11, joint groove 12 has been seted up on the installation pipe sleeve 10 in the joint piece 11 outside, joint piece 11 cooperation is in joint groove 12.
A first butt joint port 13 is arranged at the other end of the connector body 1, and a sealing cover 14 is matched on the outer side of the first butt joint port 13.
The filter 3 comprises a filter main body, a second butt joint port 16 and a third butt joint port 17, the second butt joint port 16 and the third butt joint port 17 are respectively arranged at two ends of the filter main body, the second butt joint port 16 is matched at one end of the connector main body 1, the third butt joint port 17 is matched with one end of the nasal oxygen inhalation catheter connecting end 5, and a carbon dioxide pipeline port 18 is arranged on the outer wall of one side of the second butt joint port 16.
The filter main body comprises a first shell 19 and a second shell 20, the third butt joint port 17 is arranged at the outer side end of the second shell 20, the second butt joint port 16 is arranged at the outer side end of the first shell 19, a first annular convex edge 21 is arranged on the edge of the inner side surface of the first shell 19, a second annular convex edge 22 is arranged on the outer side edge of the second shell 20, the first annular convex edge 21 is matched with the inner side of the second annular convex edge 22, an inner plate 23 is arranged in the bottom end of the second shell 20, a filter core 24 is arranged on the surface of the inner plate 23, a first through hole 25 is formed in the middle of the inner plate 23, a second through hole 26 communicated with the nasal oxygen inhalation conduit connection end 5 is formed in the middle of the second shell 20, and one end of the nasal oxygen inhalation conduit connection end 5 is communicated with the second shell 20.
A matching column 27 is arranged on the bottom surface of one side of the inner plate 23, the matching column 27 penetrates out of the bottom surface of the first shell 19, and a spherical matching block 28 is arranged at the tail end of the matching column 27 penetrating out of the bottom surface of the first shell 19.
Carbon dioxide pipeline port 18 includes carbon dioxide pipeline port main part 29, slider 30, clamp splice 31 and end cover 32, mating holes 33 have been seted up on the outer wall of one side of second butt joint port 16, carbon dioxide pipeline port main part 29 sets up in mating holes 33, four at least spout 34 have been seted up to the circumference on the surface of the outside end of carbon dioxide pipeline port main part 29, slider 30 cooperation is in spout 34, the screw thread section has been seted up on the carbon dioxide pipeline port main part 29 outer wall in the spout 34 outside, end cover 32 cooperates on carbon dioxide pipeline port main part 29 through screw-thread fit's mode, be provided with stopper 35 on the outside end surface of clamp splice 31, clamp splice 31 sets up on the inboard end of slider 30.
The inner end and the outer end of the outer side of the sliding block 30 are both first inclined planes 36, the inner end of the end cover 32 is a second inclined plane 37, and the clamping block 31 is arc-shaped.
The working principle of the invention is as follows:
installing a butt-joint pipe sleeve 9 on an anesthetic gas pipeline connecting port 2 of a connector main body 1, installing a threaded pipe 7 on a pipe orifice joint 8, and then installing the pipe orifice joint 8 at two installation holes 38 in the bottom end of an installation pipe sleeve 10 along the direction that a clamping block 11 is matched with a clamping groove 12, so as to complete the installation of an anesthetic gas pipeline 4; placing the filter element 24 on the surface of the inner plate 23, mounting the first housing 19 on the second housing 20 in the direction of the first annular flange 21 and the second annular flange 22, and then fitting the second mating port 16 of the filter 3 on one end of the connector body 1, thereby completing the mounting of the filter 3; installing the nasal oxygen inhalation catheter connecting end 5 on the third butt joint port 17, and then installing the nasal oxygen inhalation catheter 6 on the nasal oxygen inhalation catheter connecting end 5, thereby completing the installation of the nasal oxygen inhalation catheter 6; inserting the carbon dioxide exhalation tube into the carbon dioxide tube port main body 29, moving the end cover 32 inwards by twisting the end cover 32, pressing the second inclined surface 37 on the end cover 32 and the first inclined surface 36 on the slide block 30 mutually in the process that the end cover 32 moves inwards, enabling the slide block 30 to move inwards continuously, clamping the carbon dioxide exhalation tube by the clamping block 31 in the process that the slide block 30 moves inwards continuously, and thus completing the installation of the carbon dioxide exhalation tube; in-process is carried out in the operation, central oxygen system can be through 4 in anesthesia gas pipeline that are connected with the anesthesia machine transmit oxygen to connector main part 1, oxygen transmission in the connector main part 1 filters the back on 3 to the filter, transmit to patient department through nose oxygen uptake pipe 6 and supply patient respiratory usefulness, realize 7 docks of screwed pipe on nasal oxygen uptake pipeline and the anesthesia machine to can provide the intranasal oxygen suppliment for the patient at the in-process of carrying out the anesthesia to the operation patient.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a nasal oxygen uptake pipe connector of joinable anesthesia machine, includes the connector main part, its characterized in that, set up anesthesia gas pipeline connection port on the bottom of connector main part, one of connector main part is served and is connected with the filter, be connected with the anesthesia gas pipeline on the anesthesia gas pipeline connection port, the outside of filter is served and is provided with nasal oxygen uptake pipe connection end, the outside of nasal oxygen uptake pipe connection end is served and is provided with nasal oxygen uptake pipe.
2. The nasal oxygen inhalation catheter connector connectable to an anesthesia machine according to claim 1, wherein the anesthesia gas conduit is composed of two threaded tubes, a tube orifice connector and a docking sleeve, the bottom end of the docking sleeve is provided with a mounting sleeve, the top end of the docking sleeve is fitted over the anesthesia gas conduit connection port, the tube orifice connector is fitted into two mounting holes in the bottom end of the mounting sleeve, and the threaded tubes are fitted over the bottom end of the tube orifice connector.
3. The nasal oxygen inhalation catheter connector capable of being connected with an anesthesia machine as claimed in claim 2, wherein the outer end of the tube orifice connector is provided with a clamping block, a clamping groove is arranged on the mounting tube sleeve outside the clamping block, and the clamping block is matched in the clamping groove.
4. The nasal oxygen catheter connector of claim 1, wherein the other end of the connector body is provided with a first docking port, and the outer side of the first docking port is fitted with a sealing cap.
5. The nasal oxygen catheter connector of claim 1, wherein the filter comprises a filter body, a second docking port and a third docking port, the second docking port and the third docking port are respectively disposed at two ends of the filter body, the second docking port is fitted at one end of the connector body, the third docking port is fitted at one end of the nasal oxygen catheter connection end, and a carbon dioxide pipeline port is disposed at one side outer wall of the second docking port.
6. A nasal oxygen inhalation catheter connector connectable to an anesthesia machine according to claim 5, wherein the filter body includes a first housing and a second housing, the third docking port is provided on an outer side end of the second housing, the second butt joint port is arranged at the outer side end of the first shell, a first annular convex edge is arranged on the edge of the inner side surface of the first shell, a second annular convex edge is arranged on the outer side edge of the second shell, the first annular convex edge is matched on the inner side of the second annular convex edge, an inner plate is arranged in the bottom end of the second shell, a filter element is arranged on the surface of the inner plate, the middle part of the inner plate is provided with a first through hole, the middle part of the second shell is provided with a second through hole communicated with the nasal oxygen inhalation catheter connecting end, and one end of the nasal oxygen inhalation catheter connecting end is communicated with the second shell.
7. The nasal oxygen inhalation catheter connector capable of being connected with an anesthesia machine as claimed in claim 6, wherein a matching column is arranged on one side bottom surface of the inner plate, the matching column penetrates out of the bottom surface of the first shell, and a spherical matching block is arranged at the end of the matching column penetrating out of the bottom surface of the first shell.
8. The connector of claim 5, wherein the carbon dioxide tube port comprises a carbon dioxide tube port body, a slider, a clamping block and an end cap, a mating hole is formed in an outer wall of one side of the second docking port, the carbon dioxide tube port body is disposed in the mating hole, at least four sliding grooves are circumferentially formed in a surface of an outer end of the carbon dioxide tube port body, the slider is fitted in the sliding grooves, a threaded section is formed in an outer wall of the carbon dioxide tube port body outside the sliding grooves, the end cap is fitted on the carbon dioxide tube port body in a threaded fit manner, a limiting block is disposed on a surface of the outer end of the clamping block, and the clamping block is disposed on an inner end of the slider.
9. The nasal oxygen inhalation catheter connector capable of being connected with an anesthesia machine according to claim 8, wherein the inner end and the outer end of the outer side of the slider are both first inclined surfaces, the inner end of the end cap is a second inclined surface, and the clamping block is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110251705.0A CN113018627A (en) | 2021-03-08 | 2021-03-08 | Nasal oxygen inhalation catheter connector capable of being connected with anesthesia machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110251705.0A CN113018627A (en) | 2021-03-08 | 2021-03-08 | Nasal oxygen inhalation catheter connector capable of being connected with anesthesia machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113018627A true CN113018627A (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110251705.0A Pending CN113018627A (en) | 2021-03-08 | 2021-03-08 | Nasal oxygen inhalation catheter connector capable of being connected with anesthesia machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113018627A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348000A (en) * | 1993-07-19 | 1994-09-20 | Teves Leonides Y | Apparatus and method for dispensing oxygen and anesthesia via interchangeable facemask and nasal catheter |
| US6938619B1 (en) * | 2000-06-13 | 2005-09-06 | Scott Laboratories, Inc. | Mask free delivery of oxygen and ventilatory monitoring |
| US20180078728A1 (en) * | 2015-03-31 | 2018-03-22 | Fisher & Paykel Healthcare Limited | Apparatus for use in a respiratory support system |
| CN208339901U (en) * | 2017-08-09 | 2019-01-08 | 新乡市强盛医疗器械有限公司 | Disposable nasal oxygen tube |
| CN208809249U (en) * | 2018-03-15 | 2019-05-03 | 四川省肿瘤医院 | A kind of nasal oxygen tube with supporting mechanism |
| CN208943133U (en) * | 2017-08-23 | 2019-06-07 | 四川省肿瘤医院 | Two-chamber nasopharyngeal air duct |
| CN209108342U (en) * | 2018-05-28 | 2019-07-16 | 河南亚都实业有限公司 | A kind of tracheal cannula auxiliary device |
| CN209187821U (en) * | 2018-04-24 | 2019-08-02 | 宁波华坤医疗器械有限公司 | A kind of breathing circuit for anesthesia |
| CN209900362U (en) * | 2019-04-15 | 2020-01-07 | 贵阳中医学院第二附属医院 | Nasal oxygen tube connector of dual-purpose anesthesia machine |
| US20200353201A1 (en) * | 2019-05-09 | 2020-11-12 | GE Precision Healthcare LLC | Breathing system for anesthesia machine |
-
2021
- 2021-03-08 CN CN202110251705.0A patent/CN113018627A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348000A (en) * | 1993-07-19 | 1994-09-20 | Teves Leonides Y | Apparatus and method for dispensing oxygen and anesthesia via interchangeable facemask and nasal catheter |
| US6938619B1 (en) * | 2000-06-13 | 2005-09-06 | Scott Laboratories, Inc. | Mask free delivery of oxygen and ventilatory monitoring |
| US20180078728A1 (en) * | 2015-03-31 | 2018-03-22 | Fisher & Paykel Healthcare Limited | Apparatus for use in a respiratory support system |
| CN208339901U (en) * | 2017-08-09 | 2019-01-08 | 新乡市强盛医疗器械有限公司 | Disposable nasal oxygen tube |
| CN208943133U (en) * | 2017-08-23 | 2019-06-07 | 四川省肿瘤医院 | Two-chamber nasopharyngeal air duct |
| CN208809249U (en) * | 2018-03-15 | 2019-05-03 | 四川省肿瘤医院 | A kind of nasal oxygen tube with supporting mechanism |
| CN209187821U (en) * | 2018-04-24 | 2019-08-02 | 宁波华坤医疗器械有限公司 | A kind of breathing circuit for anesthesia |
| CN209108342U (en) * | 2018-05-28 | 2019-07-16 | 河南亚都实业有限公司 | A kind of tracheal cannula auxiliary device |
| CN209900362U (en) * | 2019-04-15 | 2020-01-07 | 贵阳中医学院第二附属医院 | Nasal oxygen tube connector of dual-purpose anesthesia machine |
| US20200353201A1 (en) * | 2019-05-09 | 2020-11-12 | GE Precision Healthcare LLC | Breathing system for anesthesia machine |
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Application publication date: 20210625 |