CN205084036U - Single chamber high flow capacity nasal catheter - Google Patents
Single chamber high flow capacity nasal catheter Download PDFInfo
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- CN205084036U CN205084036U CN201520748440.5U CN201520748440U CN205084036U CN 205084036 U CN205084036 U CN 205084036U CN 201520748440 U CN201520748440 U CN 201520748440U CN 205084036 U CN205084036 U CN 205084036U
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- nasal obstruction
- anger
- high flow
- nasal
- flow capacity
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Abstract
The utility model relates to a single chamber high flow capacity nasal catheter, its characterized in that, this pipe mainly are applied to the patient who needs the oxygen uptake when using the nutrition of intranasal intestines and stomach with the operation of intranasal bronchoscope, and it includes that one is used for connecting the coupling that provides the sufficient humidification gas piping that heats, air duct that an one end is connected with the coupling, and one connects in the mouthpiece of giving vent to anger of the air duct other end, establishes at the outside nasal obstruction position sleeve of mouthpiece of giving vent to anger fixed a setting in the nasal obstruction at nasal obstruction position sleeve middle part and a pair of symmetry setting at the hangers frame of position sleeve both sides of having a stuffy nose for one set, give vent to anger mouthpiece side and offer a gas outlet, the nasal obstruction just to and feed through the gas outlet, according to patient self circumstances, when using the nasal obstruction to ventilate for left side or right side nostril, coupling, air duct and the mouthpiece of giving vent to anger are placed in the corresponding one side of patient, and nasal obstruction location ways is established on the mouthpiece of giving vent to anger, use the opposite side nostril and carry out bronchoscope operation or the nutrition of intranasal intestines and stomach.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, and particularly relating to a kind of being mainly used in when using per nasal gastrointestinal nutrition and per nasal tracheascope operation needs single chamber high flow capacity nose conduit of the patient of oxygen uptake.
Background technology
Per nasal high flow capacity nose conduit (HFNC, HighFlowNasalCannula) heating and moistening high flow capacity inhalation device is connected, the high flow capacity oxygen uptake of humidifying effect can be provided for patient, intranasal delivery gas can produce the Positive Airway Pressure (PAP relying on gas flow, PositiveAirwayPressure), thus can improve the oxygenate of respiratory failure, reduce patient respiratory acting, reduce carbon dioxide retention, reduce patient respiratory frequency.Two-chamber per nasal high flow capacity nose conduit can produce Positive Airway Pressure when using, coordinate AIRVO-2 to breathe the contour flow oxygen inspiration device of humidification instrument or venturi and empty oxygen mixer to use, can provide high flow capacity oxygen uptake for patient, and oxygen uptake temperature, gas flow and oxygen concentration are all adjustable.There are some researches prove (see [Highflownasaloxygengeneratespositiveairwaypressureinadul tvolunteers.AustCritCare.2007Nov; 20 (4): 126-31.Epub2007Oct10.]), if patient exists mouth breathing, then its generation positive pressure reduces greatly.Time this shows to use two-chamber high flow capacity nose conduit, there is certain requirement to seal, if only the other end is vacant with the ventilation of single chamber when using, then do not reach the effect that high flow capacity nose conduit produces malleation.But, two-chamber HFNC needs use two nostrils to carry out oxygen uptake, when needs carry out some special operationals, such as per nasal nasal feeding nutrition or per nasal tracheascope operate, two-chamber HFNC can disturb carrying out smoothly of these special operationals, and these special operationals also may affect the oxygen uptake effect of two-chamber HFNC.Therefore, lack now a kind of high flow capacity nose conduit being mainly used in use per nasal gastrointestinal nutrition and per nasal tracheascope operation patient, while guarantee oxygen inhalation therapy effect, can not affect the operation of per nasal gastrointestinal nutrition and tracheascope.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of single chamber high flow capacity nose conduit not affecting per nasal gastrointestinal nutrition and tracheascope operation while ensureing oxygen inhalation therapy effect.
For achieving the above object, this utility model takes following technical scheme: a kind of single chamber high flow capacity nose conduit, it is characterized in that, this conduit is mainly used in the patient needing oxygen uptake when using per nasal gastrointestinal nutrition and per nasal tracheascope operation, it comprises: a pipe joint providing sufficient heating and moistening gas piping for connecting, the airway that one one end is connected with described pipe joint, one ozzle of giving vent to anger being connected to the described airway other end, one be set in described in give vent to anger the nasal obstruction positioning sleeve of ozzle outside, one is fixedly installed on the nasal obstruction in the middle part of described nasal obstruction positioning sleeve, be symmetricly set on the earpiece of described nasal obstruction positioning sleeve both sides for a pair, described ozzle side opening of giving vent to anger establishes a gas outlet, described nasal obstruction just to and be communicated with described gas outlet.
Described nasal obstruction comprises multiple size models that diameter is 5-9mm.
The size model of described nasal obstruction comprises S, M, L, and wherein, size model is the nasal obstruction diameter of S is 5mm, and size model is the nasal obstruction diameter of M is 8mm, and size model is the nasal obstruction diameter of L is 9mm.
Described ozzle of giving vent to anger is provided with detent, ozzle outside of giving vent to anger described in described nasal obstruction positioning sleeve is set in by described detent.
Described nasal obstruction positioning sleeve, nasal obstruction and earpiece are integral type structure.
This utility model is owing to taking above technical scheme, it has the following advantages: 1, single chamber of the present utility model high flow capacity nose conduit, particular design is taked at nasal obstruction position, single nasal obstruction diameter large compared with two-chamber HFNC nasal obstruction diameter (1.4 times for two-chamber high flow capacity nasal obstruction), bonding chamber high flow capacity nose conduit and two-chamber HFNC have onesize cross-sectional area when ventilating, thus there is identical flow velocity, produce same pressure result, while the original oxygen uptake effect of guarantee, do not affect per nasal gastrointestinal nutrition and tracheascope operation.2, this utility model can be widely used in the patient needing use per nasal gastrointestinal nutrition and per nasal tracheascope operation, also can be applied to other special single nostrils that can only use and carry out the patients of oxygen uptake, can change as required and use left nostril to carry out oxygen uptake or right nostril is carried out oxygen uptake thus makes the scope of application of HFNC wider.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation that this utility model pipe joint, airway and ozzle of giving vent to anger are connected;
Fig. 3 is the structural representation of this utility model nasal obstruction positioning sleeve.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is described in detail.
As shown in FIG. 1 to 3, single chamber high flow capacity nose conduit that this utility model provides, be mainly used in the patient needing oxygen uptake when using per nasal gastrointestinal nutrition and per nasal tracheascope operation, it comprises one and has a stuffy nose 5 and a pair earpiece 6 for connecting pipe joint 1, plastics (only as example, the being not limited to this) airway 2, providing sufficient heating and moistening gas piping ozzle 3, positioning sleeve 4, of having a stuffy nose of giving vent to anger; Wherein, pipe joint 1, airway 2 are connected successively with ozzle 3 of giving vent to anger, and a gas outlet 31 is offered in ozzle 3 side of giving vent to anger, nasal obstruction positioning sleeve 4 is set at ozzle 3 of giving vent to anger outside, 5 diameters of having a stuffy nose are 5-9mm, nasal obstruction 5 be positioned at nasal obstruction positioning sleeve 4 middle part, just to and be communicated with gas outlet 31; Earpiece 6 is symmetricly set on the both sides of nasal obstruction positioning sleeve 4, to be fixed on below patient nostril by nasal obstruction positioning sleeve 4.
According to patient's own situation, when using nasal obstruction 5 to ventilate to left nare, pipe joint 1, airway 2 and the equipment such as ozzle 3 of giving vent to anger are placed on the left of patient, and be then set in by nasal obstruction positioning sleeve 4 and give vent to anger on ozzle 3, right naris is then for carrying out tracheascope operation or per nasal gastrointestinal nutrition; When using nasal obstruction 5 to ventilate to right naris, pipe joint 1, airway 2 and the equipment such as ozzle 3 of giving vent to anger are placed on the right side of patient, and be then set in by nasal obstruction positioning sleeve 4 and give vent to anger on ozzle 3, left nare is then for carrying out tracheascope operation or per nasal gastrointestinal nutrition.
In above-described embodiment, ozzle 3 of giving vent to anger is provided with detent 32, it is outside that nasal obstruction positioning sleeve 4 is set in by detent 32 ozzle 3 of giving vent to anger.
In above-described embodiment, nasal obstruction 5 comprises multiple size model such as S, M, L, and wherein, size model is nasal obstruction 5 diameter of S is 5mm, and size model is nasal obstruction 5 diameter of M is 8mm, and size model is nasal obstruction 5 diameter of L is 9mm.
In above-described embodiment, nasal obstruction positioning sleeve 4, nasal obstruction 5 and earpiece 6 are integral type structure, and mechanical property is good, and can be made into integration, and manufactures simple and convenient.
This utility model, when Clinical practice, first according to the size model of the nostril size Selection nasal obstruction 5 of patient, 5 can cover patient nostril sectional area half for according to the nasal obstruction 5 selecting suitable dimension model to have a stuffy nose; According to patient's own situation, when use nasal obstruction 5 gives left side or right naris ventilation, pipe joint 1, airway 2 and ozzle 3 of giving vent to anger be connected successively and be placed on the corresponding side of patient, being then set in by nasal obstruction positioning sleeve 4 and giving vent to anger on ozzle 3, nasal obstruction 5 is communicated with gas outlet 31.Then the pipe joint 1 of single chamber high flow capacity nose conduit inlet end is connected heating breathing pipeline end, heating breathing pipeline connects breathes humidification instrument, venturi or empty oxygen mixer, breathes humidification instrument, venturi or empty oxygen mixer and connects oxygen source; The nasal obstruction 5 of outlet side is inserted in patient nostril, by the earpiece 6 of both sides, nasal obstruction positioning sleeve 4 is fixed on below patient nostril simultaneously, open and breathe humidification instrument, venturi or empty oxygen mixer, namely can be the high flow capacity oxygen uptake that patient provides humidifying effect.Tracheascope or nasogastric tube are inserted the nostril of the opposite side of patient, while carrying out per nasal gastrointestinal nutrition or per nasal tracheascope operation, play closed nostril to a certain extent.Because this utility model only has a nasal obstruction 5 larger relative to two-chamber high flow capacity nose conduit, patient only needs use nostril to carry out oxygen uptake, does not therefore affect per nasal gastrointestinal nutrition and per nasal tracheascope operation; For the patient of per nasal tracheascope operation and per nasal gastrointestinal nutrition, tracheascope and nasogastric tube serve the effect in a relative closure nostril, make single chamber high flow capacity nose conduit can produce certain end expiratory positive pressure effect equally; Verified by experiment in vitro, two-chamber high flow capacity nose conduit and single chamber high flow capacity nose conduit do not have significant difference in oxygen uptake effect (producing PAP, fraction of inspired oxygen).
Above-described embodiment is only for illustration of this utility model; wherein the structure, connected mode etc. of each parts all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (6)
1. single chamber high flow capacity nose conduit, is characterized in that, this conduit is mainly used in the patient needing oxygen uptake when using per nasal gastrointestinal nutrition and per nasal tracheascope operation, and it comprises:
One pipe joint that sufficient heating and moistening gas piping is provided for connecting,
The airway that one one end is connected with described pipe joint,
One ozzle of giving vent to anger being connected to the described airway other end,
One be set in described in give vent to anger the nasal obstruction positioning sleeve of ozzle outside,
One is fixedly installed on the nasal obstruction in the middle part of described nasal obstruction positioning sleeve,
Be symmetricly set on the earpiece of described nasal obstruction positioning sleeve both sides for a pair;
Described ozzle side opening of giving vent to anger establishes a gas outlet, described nasal obstruction just to and be communicated with described gas outlet.
2. single chamber as claimed in claim 1 high flow capacity nose conduit, is characterized in that, described nasal obstruction comprises multiple size models that diameter is 5-9mm.
3. single chamber as claimed in claim 2 high flow capacity nose conduit, it is characterized in that, the size model of described nasal obstruction comprises S, M, L, wherein, size model is the nasal obstruction diameter of S is 5mm, and size model is the nasal obstruction diameter of M is 8mm, and size model is the nasal obstruction diameter of L is 9mm.
4. the single chamber high flow capacity nose conduit as described in claim 1 or 2 or 3, is characterized in that, described in give vent to anger on ozzle and be provided with detent, ozzle outside of giving vent to anger described in described nasal obstruction positioning sleeve is set in by described detent.
5. the single chamber high flow capacity nose conduit as described in claim 1 or 2 or 3, it is characterized in that, described nasal obstruction positioning sleeve, nasal obstruction and earpiece are integral type structure.
6. single chamber as claimed in claim 4 high flow capacity nose conduit, it is characterized in that, described nasal obstruction positioning sleeve, nasal obstruction and earpiece are integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520748440.5U CN205084036U (en) | 2015-09-24 | 2015-09-24 | Single chamber high flow capacity nasal catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520748440.5U CN205084036U (en) | 2015-09-24 | 2015-09-24 | Single chamber high flow capacity nasal catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205084036U true CN205084036U (en) | 2016-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520748440.5U Active CN205084036U (en) | 2015-09-24 | 2015-09-24 | Single chamber high flow capacity nasal catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205084036U (en) |
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2015
- 2015-09-24 CN CN201520748440.5U patent/CN205084036U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |