CN204521890U - A kind of endotracheal tube with cuff pressure indicating device - Google Patents
A kind of endotracheal tube with cuff pressure indicating device Download PDFInfo
- Publication number
- CN204521890U CN204521890U CN201520169170.2U CN201520169170U CN204521890U CN 204521890 U CN204521890 U CN 204521890U CN 201520169170 U CN201520169170 U CN 201520169170U CN 204521890 U CN204521890 U CN 204521890U
- Authority
- CN
- China
- Prior art keywords
- pressure
- cuff
- measuring pipe
- indicating device
- endotracheal tube
- 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
Landscapes
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The utility model discloses a kind of endotracheal tube with cuff pressure indicating device, comprise airway, cuff, charge valve and pressure-indication means.Airway front end is with cuff, and cuff is communicated with charge valve by gas tube, and gas tube is communicated with pressure-indication means by arm.This utility model project organization is simple, to the monitoring of cuff internal gas pressure size accurately, very clear, can reduce intubation cuff and oppress complication caused by excessive inner surface of trachea.
Description
Technical field
This utility model relates to medical tracheal tubes field, particularly a kind of endotracheal tube can monitoring cuff air pressure.
Background technology
For general anesthesia or critical patient, need to utilize endotracheal intubation to carry out mechanical ventilation to patient, insert trachea by endotracheal tube, and inflation in the cuff of forward end, cuff expands and contacts with inner surface of trachea, forms sealing, thus relies on the rear end ventilation breath of endotracheal tube.Inner surface of trachea is subject to the excessive compressing of inflatable cuff, can cause local tracheal mucosa and nerve compression ischemia, causes patient's throat to do pain, expectoration obstacle, hoarseness or dysphonia, the air pressure therefore in necessary control cuff.Usually the glutted degree of employing touch charge valve artificially estimates the air pressure in cuff at present, and error is comparatively large, easily causes trachea impaired.
Utility model content
The purpose of this utility model to provide a kind of endotracheal tube, prevents intratracheal pressure excessive by the pressure instruction of cuff.
According to an aspect of the present utility model, provide a kind of endotracheal tube with cuff pressure indicating device, comprise airway, cuff, charge valve and pressure-indication means, airway is arranged with cuff, cuff is communicated with charge valve by gas tube, and gas tube is communicated with pressure-indication means by arm.
Its beneficial effect is: due to from charge valve to sleeve bag gas-filling time, also inflated to pressure-indication means by arm simultaneously, the air pressure in cuff and pressure-indication means is made to keep balancing, and the atmospheric pressure value size in cuff can be judged by the atmospheric pressure value indicated by pressure-indication means, therefore the atmospheric pressure value in cuff can be shown in real time, instruct clinician to inflate cuff or exit to suitable cuff air pressure, to ensure effective mechanical ventilation, prevent inner surface of trachea pressurized excessive simultaneously, cause trachea impaired.
In some embodiments, pressure-indication means comprises pressure-measuring pipe, piston, elastomer and showing rod, pressure-measuring pipe is communicated with arm, piston to be placed in pressure-measuring pipe and to seal, and being connected to pressure-measuring pipe by elastomer, one end of showing rod is connected with piston, and the other end stretches out from the bottom of pressure-measuring pipe, and can relatively move by pressure-measuring pipe, showing rod is provided with pressure scale.
Its beneficial effect is: during owing to inflating to pressure-measuring pipe, along with the continuous increase of air pressure, piston is at pressure measurement in-pipe, the bottom of the relative pressure-measuring pipe of showing rod is driven to make stretching motion, pressure scale indicated by showing rod is current gas pressure value, atmospheric pressure value namely in cuff, therefore can realize the atmospheric pressure value in Real-Time Monitoring cuff.
In some embodiments, elastomer is connected between piston and the bottom of pressure-measuring pipe.
Its beneficial effect is: make elastomer be in pressurized when air pressure increases, the duty of bounce-back when air pressure reduces, therefore can realize the accuracy of piston instruction air pressure.
In some embodiments, elastomer is spring.
Its beneficial effect is: because elastomer adopts spring, therefore can realize the stability connecting piston and pressure-measuring pipe.
In some embodiments, pressure scale be provided with successively to the bottom of pressure-measuring pipe from piston side divided by graticule higher-pressure region, Suitable Area and low-pressure area.
Its beneficial effect is: because pressure scale demarcates subregion according to the atmospheric pressure value of different attribute, therefore can realize the warning function of different atmospheric pressure value, for operator provides anticipation, reduce operational risk.
The beneficial effects of the utility model are: structure is simple, to the monitoring of cuff internal gas pressure size accurately, reduce the risk that trachea is impaired.
Accompanying drawing explanation
Fig. 1 is the structural representation of the endotracheal tube of the band cuff pressure indicating device of this utility model one embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
Fig. 1 show schematically show the endotracheal tube of the band cuff pressure indicating device of a kind of embodiment of this utility model.
As shown in Figure 1, the endotracheal tube of this band cuff pressure indicating device comprises airway 1, cuff 2, charge valve 3, gas tube 4, arm 5 and pressure-indication means 6.
Pressure-indication means 6 comprises pressure-measuring pipe 61, piston 62, elastomer and showing rod 66, its elastomer is spring 63, and pressure-measuring pipe 61 is communicated with arm 5, and piston 62 to be placed in pressure-measuring pipe 61 and to seal, the upper end of spring 63 is connected to piston 62, and lower end is connected to the bottom of pressure-measuring pipe 61.The upper end of showing rod 66 is connected with piston 62, and lower end is stretched out from the through hole bottom pressure-measuring pipe 61, and the external diameter of showing rod 66 is less than the internal diameter of this through hole.
Showing rod 66 is marked with pressure scale 64, this pressure scale 64 is also divided into higher-pressure region, Suitable Area and low-pressure area by graticule 65 from top to bottom successively according to showing rod 66, for the ease of identifying, also higher-pressure region, Suitable Area and low-pressure area are painted with respectively redness, yellow and green.Also need nominal pressure scale 64 and graticule 65 to be impression force value in actual cuff 2 before using, the method for demarcation is:
In view of inner surface of trachea blood capillary perfusion pressure is 25-30mmHg, the damage of cuff pressure to inner surface of trachea of large quantity research display below 15mmHg is softer simultaneously.Therefore, at room temperature, the pressure measuring unit of direct use standard is communicated with pressure-measuring pipe 61, make the pressure of normal pressure determinator be shown as 0,15mmHg, 25mmHg tense marker showing rod 66 is relative to the graticule of three bottom pressure-measuring pipe 61 65, region wherein between 0 scale graticule 651 and 15mmHg scale graticule 652 is low-pressure area, and force value is 0 ~ 15mmHg; Region between 15mmHg scale graticule 652 and 25mmHg scale graticule 653 is Suitable Area, and force value is 15mmHg ~ 25mmHg; Region beyond 25mmHg scale graticule 653 is higher-pressure region, and force value is greater than 25mmHg, thus indicates the pressure range that will demarcate.
Airway 1 is through cuff 2, and airway 1 leaves one section of tube head, is placed in patient airway, and the tube head of other end airway 1 connects respirator.The two ends of cuff 2 are glued at airway 1 by dehiscing, and airway 1 and cuff 2 seal.Cuff 2 is leak-proof devices of tracheal intubation, balancedly can close the lacuna between trachea and airway 1 tube wall, both can prevent vomitus, blood or oropharyngeal secretions from flowing into trachea, gas leakage when also can prevent from controlling to breathe.Cuff 2 is communicated with charge valve 3 by gas tube 4, and gas tube 4 blocks from centre, and adopts tee T 7 block two sections of gas tubes 4 and arm 5 to be communicated with, and arm 5 is communicated with the top of pressure-measuring pipe 61.
As shown in Figure 1, during operation, airway 1 and cuff 2 are inserted trachea from the throat of patient, then inflate in cuff 2 with charge valve 3, charge valve 3 adopts the form of syringe to inflate, gas flows into cuff 2 and pressure-measuring pipe 61 through gas tube 4, tee T 7, arm 5, now cuff 2 and pressure-measuring pipe 61 internal gas pressure increase gradually, cuff 2 is slowly heaved, piston 62 pressurized in pressure-measuring pipe 61, drive motion bottom the relative pressure-measuring pipe 61 of showing rod 66, and spring 63 compresses, until cuff 2 and pressure-measuring pipe 61 internal gas pressure equal, keep air pressure balance.In the gastight situation of guarantee mechanical ventilation, select showing rod's instruction in more hypobaric region as far as possible.Such as, if showing rod 66 indicates when higher-pressure region, need, from charge valve 3 extraction section gas, until showing rod 66 indicates in Suitable Area or low-pressure area, now both can ensure mechanical ventilation, the excessive damage to inner surface of trachea of cuff pressure can be alleviated again.
Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art, under the prerequisite not departing from this utility model creation design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (5)
1. the endotracheal tube with cuff pressure indicating device, it is characterized in that, comprise airway (1), cuff (2), charge valve (3) and pressure-indication means (6), described airway (1) is arranged with cuff (2), described cuff (2) is communicated with described charge valve (3) by gas tube (4), and described gas tube (4) is communicated with described pressure-indication means (6) by arm (5).
2. the endotracheal tube of band cuff pressure indicating device according to claim 1, it is characterized in that, described pressure-indication means (6) comprises pressure-measuring pipe (61), piston (62), elastomer and showing rod (66), described pressure-measuring pipe (61) is communicated with described arm (5), described piston (62) to be placed in pressure-measuring pipe (61) and to seal, and be connected to pressure-measuring pipe (61) by elastomer, one end of described showing rod (66) is connected with piston (62), the other end stretches out from the bottom of pressure-measuring pipe (61), and can relatively move by pressure-measuring pipe (61), described showing rod (66) is provided with pressure scale (64).
3. the endotracheal tube of band cuff pressure indicating device according to claim 2, is characterized in that, described elastomer is connected between the bottom of piston (62) and pressure-measuring pipe (61).
4. the endotracheal tube of the band cuff pressure indicating device according to Claims 2 or 3, is characterized in that, described elastomer is spring (63).
5. the endotracheal tube of band cuff pressure indicating device according to claim 2, it is characterized in that, described pressure scale (64) be provided with successively to the bottom of pressure-measuring pipe (61) from piston (62) side divided by graticule (65) higher-pressure region, Suitable Area and low-pressure area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520169170.2U CN204521890U (en) | 2015-03-24 | 2015-03-24 | A kind of endotracheal tube with cuff pressure indicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520169170.2U CN204521890U (en) | 2015-03-24 | 2015-03-24 | A kind of endotracheal tube with cuff pressure indicating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204521890U true CN204521890U (en) | 2015-08-05 |
Family
ID=53735955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520169170.2U Expired - Fee Related CN204521890U (en) | 2015-03-24 | 2015-03-24 | A kind of endotracheal tube with cuff pressure indicating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204521890U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018107567A1 (en) * | 2016-12-14 | 2018-06-21 | 天津美迪斯医疗用品有限公司 | Pressure indicator |
| CN108799818A (en) * | 2018-07-19 | 2018-11-13 | 芜湖福民生物药业股份有限公司 | Vertical gas storage tank |
| CN111375108A (en) * | 2020-04-08 | 2020-07-07 | 淮安市第一人民医院 | Trachea cannula with monitoring air sac pressure function |
| CN113332553A (en) * | 2021-06-03 | 2021-09-03 | 湖北优尼泰睿生物科技开发有限公司 | Pressure detection device of tracheal catheter |
-
2015
- 2015-03-24 CN CN201520169170.2U patent/CN204521890U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018107567A1 (en) * | 2016-12-14 | 2018-06-21 | 天津美迪斯医疗用品有限公司 | Pressure indicator |
| CN108799818A (en) * | 2018-07-19 | 2018-11-13 | 芜湖福民生物药业股份有限公司 | Vertical gas storage tank |
| CN111375108A (en) * | 2020-04-08 | 2020-07-07 | 淮安市第一人民医院 | Trachea cannula with monitoring air sac pressure function |
| CN113332553A (en) * | 2021-06-03 | 2021-09-03 | 湖北优尼泰睿生物科技开发有限公司 | Pressure detection device of tracheal catheter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204521890U (en) | A kind of endotracheal tube with cuff pressure indicating device | |
| CN201239408Y (en) | Endotracheal tube with pressure-displaying air bag | |
| CN109589478B (en) | Built-in tracheal catheter laryngeal mask combined ventilation device for general anesthesia | |
| CN102872512B (en) | Medical laryngeal mask airway | |
| CN210844815U (en) | Multi-angle visual trachea cannula | |
| CN210020745U (en) | Trachea cannula with standard air bag | |
| CN219148871U (en) | Tracheal cannula with air pressure indicating device | |
| CN204033969U (en) | Can the artificial airway of Real-Time Monitoring gasbag pressure | |
| CN211068561U (en) | Pressure visualization artificial airway intubation tube | |
| CN204582219U (en) | One can locate mode endotracheal tube | |
| Guyton et al. | A comparison of two different bronchial cuff designs and four different bronchial cuff inflation methods | |
| CN202961431U (en) | Tracheal tube capable of monitoring pressure in real time | |
| CN204033968U (en) | Can the artificial airway of real-time monitored gasbag pressure | |
| CN219662545U (en) | Gasbag inflation syringe for intubation of gas tube | |
| CN201299879Y (en) | Trachea and bronchus dual-type catheter | |
| CN219481183U (en) | Balloon pressure visible tracheal cannula | |
| CN215135254U (en) | Novel intubation tube with air pressure indication function | |
| Abdallah | Endotracheal tubes cuffs | |
| CN215653219U (en) | Trachea cannula with visible pressure | |
| CN217661032U (en) | Endotracheal tube laryngeal mask capable of observing pressure of ventilation mask | |
| CN204364596U (en) | A kind of laryngeal mask | |
| CN212699982U (en) | Tracheal catheter tube drawing air leakage testing device | |
| CN213491314U (en) | Tracheal catheter with body temperature monitoring function | |
| CN213642677U (en) | Take forced induction's trachea cannula device | |
| CN209060264U (en) | Tracheostomy cannula |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20160324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |