CN113244493A - Trachea cannula capable of monitoring pressure bearing pressure of cuff and pressure bearing pressure management method - Google Patents
Trachea cannula capable of monitoring pressure bearing pressure of cuff and pressure bearing pressure management method Download PDFInfo
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- CN113244493A CN113244493A CN202110491430.8A CN202110491430A CN113244493A CN 113244493 A CN113244493 A CN 113244493A CN 202110491430 A CN202110491430 A CN 202110491430A CN 113244493 A CN113244493 A CN 113244493A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 47
- 210000003437 trachea Anatomy 0.000 title claims abstract description 20
- 238000007726 management method Methods 0.000 title abstract description 5
- 210000002345 respiratory system Anatomy 0.000 claims abstract description 12
- 239000010408 film Substances 0.000 claims description 44
- 239000012528 membrane Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 7
- 238000012806 monitoring device Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 210000004704 glottis Anatomy 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 206010036790 Productive cough Diseases 0.000 abstract description 4
- 208000015181 infectious disease Diseases 0.000 abstract description 4
- 210000003802 sputum Anatomy 0.000 abstract description 4
- 208000024794 sputum Diseases 0.000 abstract description 4
- 230000009931 harmful effect Effects 0.000 abstract 1
- 238000009825 accumulation Methods 0.000 description 11
- 238000002627 tracheal intubation Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- 210000003928 nasal cavity Anatomy 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 210000000214 mouth Anatomy 0.000 description 2
- 230000028327 secretion Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010035664 Pneumonia Diseases 0.000 description 1
- 208000009470 Ventilator-Associated Pneumonia Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 210000000621 bronchi Anatomy 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 210000003800 pharynx Anatomy 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000012465 retentate Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 210000004916 vomit Anatomy 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
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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
- A61M16/0402—Special features for tracheal tubes not otherwise provided for
-
- 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
- A61M16/0463—Tracheal tubes combined with suction tubes, catheters or the like; Outside connections
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1018—Balloon inflating or inflation-control devices
- A61M25/10184—Means for controlling or monitoring inflation or deflation
-
- 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
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Child & Adolescent Psychology (AREA)
- Biophysics (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention provides a trachea cannula capable of monitoring the pressure bearing pressure of a cuff and a pressure bearing pressure management method, and belongs to the technical field of medical supplies. This but trachea cannula of monitoring cuff pressure-bearing pressure, including body, cuff and gas tube, the fixed cover of cuff is established on the body, and the gas tube is linked together with the cuff, and the cuff has the pressure monitoring structure who is used for monitoring cuff pressure-bearing pressure. It can monitor the deposit of cuff top through set up pressure monitoring structure on the cuff, when the deposit, especially sputum pile up too much, can indicate to make medical personnel carry out the negative pressure suction clearance to the deposit, avoid the deposit to slide down to cause harmful effects such as infection in the lower respiratory tract.
Description
Technical Field
The invention belongs to the technical field of medical supplies, relates to a tracheal cannula, and particularly relates to a tracheal cannula capable of monitoring the pressure-bearing pressure of a cuff and a pressure-bearing pressure management method.
Background
The tracheal intubation is a technique of placing a special endotracheal tube into trachea through glottis, which can provide optimal conditions for unobstructed airway, ventilation and oxygen supply, respiratory tract suction, prevention of aspiration and the likeThe pressure is 25-28 cmH2O, the tracheal cannula is sealed with the tracheal wall, so that the auxiliary breathing or the control of breathing are facilitated, and vomit, oral secretion or blood can be prevented from flowing into the trachea. The respiratory tract refers to all parts from the nasal cavity to the lungs that are experienced during respiration and is divided into the upper and lower respiratory tracts. The upper respiratory tract refers to nasal cavity, mouth, throat and trachea; the lower respiratory tract refers to the bilateral bronchi below the cervical carina and the branches leading to the lungs. The retentate on the cuff exists in the dead space between the glottis and the cuff, is a good culture medium for the propagation of microorganisms, is mostly a drug-resistant bacterium for antibiotic screening, and when excessive vomitus, oral secretion or blood is accumulated above the cuff, the accumulation easily causes the deformation of the cuff and flows into the lower respiratory tract through the gap formed between the deformed cuff and the trachea, thus easily causing infection such as ventilator-associated pneumonia. Most of the existing treatment methods are to perform negative pressure suction on deposits above the cuff at regular time, but when the deposit amount suddenly increases in a certain period, negative pressure suction cannot be timely found to cause adverse effects; the existing trachea cannula can only realize the pressure detection in the cuff, but cannot detect the pressure bearing pressure of the cuff.
Disclosure of Invention
The first purpose of the invention is to solve the above problems in the prior art and to provide an endotracheal intubation capable of monitoring the pressure of the cuff.
The first object of the present invention can be achieved by the following technical solutions: the utility model provides a but trachea cannula of monitoring cuff pressure-bearing pressure, includes body, cuff and gas tube, the fixed cover of cuff is established on the body, the gas tube is linked together with the cuff, its characterized in that, the cuff has the pressure monitoring structure who is used for monitoring cuff pressure-bearing pressure.
In the trachea cannula capable of monitoring the pressure bearing pressure of the cuff, the pressure monitoring structure comprises a color-changing film made of a force-induced color-changing material, and the color-changing film is positioned on the outer wall surfaces of the cuff and the inflation tube.
In the trachea cannula capable of monitoring the pressure bearing capacity of the cuff, the color-changing film comprises an annular film part which is positioned at the top of the cuff and is annular and a strip-shaped film part which is positioned on the outer wall surface of the inflation tube and is in a strip shape, and the strip-shaped film part is connected with the annular film part.
In the tracheal cannula capable of monitoring the pressure bearing capacity of the cuff, the top end of the strip-shaped membrane part is provided with an observation membrane part, and the width of the observation membrane part is greater than that of the strip-shaped membrane part.
In the trachea cannula capable of monitoring the pressure bearing pressure of the cuff, the width of the strip-shaped membrane part is 1-5 mm.
In the trachea cannula capable of monitoring the pressure bearing capacity of the cuff, the pressure monitoring structure comprises an annular film pressure sensor arranged at the top of the cuff.
In the trachea cannula capable of monitoring the pressure bearing capacity of the cuff, the film pressure sensor is connected with the pressure monitoring device through an electric guide wire arranged in the wall of the inflation tube.
In the tracheal cannula capable of monitoring the pressure bearing pressure of the cuff, the inflation tube is connected with an internal pressure detection device for detecting the internal pressure of the cuff.
The second purpose of the present invention is to provide a method for monitoring the pressure of the endotracheal intubation, which is directed to the above problems of the prior art.
The second object of the present invention can be achieved by the following technical solutions: a pressure-bearing pressure management method of an endotracheal tube comprises the following steps:
step a, placing a tube and inflating the cuff: the trachea cannula is placed into the respiratory tract of a patient, the cuff is inflated after the cuff is positioned at a proper position below the glottis, and the internal pressure of the cuff is controlled to be 25-28 mmH2O；
Step b, monitoring the pressure bearing pressure of the cuff: monitoring the pressure-bearing pressure of the cuff, and when judging that the pressure-bearing pressure of the cuff is greater than a threshold value, sucking the deposit above the cuff;
step c, detecting the internal pressure of the cuff: after the suction is finished, detecting the internal pressure of the cuff, and inflating the inside of the cuff when the internal pressure of the cuff is smaller than a threshold value; deflating the interior of the cuff when the internal pressure of the cuff is greater than a threshold.
In the method for managing the pressure-receiving pressure of the endotracheal tube, in the step b, the inside of the cuff is inflated before the deposit is sucked.
Compared with the prior art, the cuff pressure monitoring structure is arranged on the cuff, so that the accumulation above the cuff can be monitored, and when the accumulation, particularly sputum is accumulated too much, prompt can be given, so that medical personnel can suck and clean the accumulation under negative pressure, and adverse consequences such as infection and the like caused by the fact that the accumulation slides down to the lower respiratory tract are avoided.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is an enlarged view B of fig. 1.
Fig. 4 is a schematic structural diagram of the second embodiment of the present invention.
In the figure, 1, a tube body; 2. a cuff; 3. an inflation tube; 4. an annular membrane portion; 5. a strip-shaped film portion; 6. an observation film section; 7. a thin film pressure sensor; 8. an electrical guide wire; 9. a pressure monitoring device; 10. an inflation inlet; 11. (ii) a 12. (ii) a 13. (ii) a .
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
The first embodiment is as follows:
referring to fig. 1-3, the present embodiment is an endotracheal intubation capable of monitoring the pressure-bearing pressure of a cuff, and the endotracheal intubation includes a tube body 1, the cuff 2 and an inflation tube 3, wherein the cuff 2 is fixedly sleeved on a lower end of the tube body 1, the inflation tube 3 is communicated with the cuff 2, a free end of the inflation tube 3 is provided with an inflation port 10, and the cuff 2 is provided with a pressure monitoring structure for monitoring the pressure-bearing pressure of the cuff 2. Pressure monitoring structure in this embodiment one includes that power photochromic material makes the membrane of changing colour, and it is elastic that the membrane of changing colour is located the outer wall surface of cuff 2 and gas tube 3, and the membrane of changing colour can be along with cuff 2 deformation, and the membrane of changing colour that has elasticity that adopts is prior art in this embodiment one, through to the composition. Specifically, the color-changing film comprises a ring-shaped film part 4, a strip-shaped film part 5 and an observation film part 6, the ring-shaped film part 4 is positioned at the top of the cuff 2 and is a ring-shaped film part 4, the strip-shaped film part 5 is positioned on the outer wall surface of the inflation tube 3 and is in a strip shape, the bottom end of the strip-shaped film part 5 is connected with the ring-shaped film part 4, the top end of the strip-shaped film part 5 is connected with the observation film part 6, the width of the strip-shaped film part 5 is 1-5 mm, the width of the observation film part 6 is greater than that of the strip-shaped film part 5, and the observation film part 6 can also be arranged into a ring-shaped film ring surrounding the inflation tube 3; the inflation tube 3 is connected with an internal pressure detection device for detecting the internal pressure of the cuff 2, the internal pressure detection device is a barometer, and the device is the prior art.
The use method of the first embodiment is as follows:
step a, placing a tube and inflating the cuff 2: the trachea cannula is arranged in the respiratory tract of a patient, the cuff 2 is inflated after the cuff 2 is positioned at a proper position below the glottis, and the internal pressure of the cuff 2 is controlled to be 25-28 mmH2O；
Step b, monitoring the pressure bearing pressure of the cuff 2: monitoring the pressure bearing pressure of the cuff 2 in real time, specifically, the color-changing film made of force-induced color-changing materials bears increased pressure under the accumulation action of accumulation, particularly sputum, and the color of the color-changing film changes, medical personnel judge the pressure bearing pressure change of the cuff 2 through the color of a strip film part 5 and an observation film part 6 on an inflation tube exposed outside the oral cavity or nasal cavity of a patient, when the color change shows that the pressure bearing pressure of the cuff 2 is greater than a threshold value, the accumulation above the cuff 2 is sucked and removed, before the accumulation is sucked, the interior of the cuff 2 is inflated firstly, and the situation that the cuff 2 shrinks due to the reduction of the pressure borne by the top of the cuff 2 after the accumulation is sucked and removed is avoided, so that a gap is generated between the outer wall of the cuff 2 and the trachea to cause the downward leakage of the accumulation;
step c, detecting the internal pressure of the cuff 2: after the suction is finished, detecting the internal pressure of the cuff 2, and inflating the inside of the cuff 2 when the internal pressure of the cuff 2 is smaller than a threshold value; when the internal pressure of the cuff 2 is greater than a threshold value, the inside of the cuff 2 is deflated.
This embodiment one can monitor the deposit of the 2 tops of cover bag through set up pressure monitoring structure on cover bag 2, when the deposit, especially sputum pile up too much, can indicate to make medical personnel carry out the negative pressure suction clearance to the deposit, avoid the deposit to slide down to cause unfavorable consequences such as infection in the lower respiratory tract.
Example two:
referring to fig. 4, the structure of the second embodiment is substantially the same as that of the first embodiment, and the difference is that the pressure monitoring structure in the second embodiment includes a ring-shaped film pressure sensor 7 disposed at the top of the cuff 2, the film pressure sensor 7 is connected to a pressure monitoring device 9 through an electrical guide wire 8, the lower portion of the electrical guide wire 8 is inserted into the inner wall of the inflation tube 3 and is connected to the film pressure sensor 7, the upper portion of the electrical guide wire 8 is connected to the pressure monitoring device 9 after penetrating through the upper portion of the inflation tube 3, and the pressure monitoring device 9 can receive and display the pressure value of the film pressure sensor 7.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a but trachea cannula of monitoring cover bag pressure-bearing pressure, includes body (1), cover bag (2) and gas tube (3), cover bag (2) fixed cover is established on body (1), gas tube (3) are linked together with cover bag (2), its characterized in that, cover bag (2) have the pressure monitoring structure who is used for monitoring cover bag (2) pressure-bearing pressure.
2. The endotracheal tube capable of monitoring the pressure bearing capacity of the cuff according to claim 1, characterized in that the pressure monitoring structure comprises a color-changing film made of a force-changing color-changing material, and the color-changing film is positioned on the outer wall surfaces of the cuff (2) and the inflation tube (3).
3. The endotracheal tube capable of monitoring the pressure bearing capacity of the cuff as claimed in claim 2, characterized in that the color-changing film comprises a ring-shaped film portion (4) which is located at the top of the cuff (2) and is in a ring shape and a strip-shaped film portion (5) which is located on the outer wall surface of the inflation tube (3) and is in a strip shape, and the strip-shaped film portion (5) is connected with the ring-shaped film portion (4).
4. The endotracheal tube capable of monitoring the cuff pressure-bearing pressure according to claim 3, characterized in that the strip-like membrane portion (5) has a viewing membrane portion (6) at its top end, the width of the viewing membrane portion (6) being greater than the width of the strip-like membrane portion (5).
5. The endotracheal tube capable of monitoring the cuff pressure-bearing pressure according to claim 4, characterized in that the strip-shaped membrane portion (5) has a width of 1 to 5 mm.
6. The endotracheal tube capable of monitoring the pressure to which the cuff is subjected according to claim 1, characterized in that the pressure monitoring structure comprises a thin film pressure sensor (7) arranged in the form of a ring on top of the cuff (2).
7. The endotracheal tube capable of monitoring the pressure bearing capacity of the cuff according to claim 6, characterized in that the film pressure sensor (7) is connected with the pressure monitoring device (9) through an electric guide wire (8), the lower part of the electric guide wire (8) is inserted into the inner wall of the inflation tube (3) and is connected with the film pressure sensor (7), and the upper part of the electric guide wire (8) is connected with the pressure monitoring device (9) after penetrating out from the upper part of the inflation tube (3).
8. The endotracheal tube capable of monitoring the pressure-bearing cuff according to any of claims 1 to 7, characterized in that the inflation tube (3) is connected with an internal pressure detection device for detecting the internal pressure of the cuff (2).
9. A method for managing the bearing pressure of an endotracheal tube according to any one of claims 1 to 8, comprising the steps of:
step a, placing a tube and inflating a cuff (2): the tracheal cannula is arranged in the respiratory tract of the patient, and after the cuff (2) is positioned at a proper position below the glottis, the tracheal cannula is alignedThe cuff (2) is inflated, and the internal pressure of the cuff (2) is controlled to be 25-28 mmH2O；
Step b, monitoring the pressure bearing pressure of the cuff (2): monitoring the pressure-bearing pressure of the cuff (2), and when judging that the pressure-bearing pressure of the cuff (2) is greater than a threshold value, sucking the accumulated objects above the cuff (2);
step c, detecting the internal pressure of the cuff (2): after the suction is finished, detecting the internal pressure of the cuff (2), and inflating the inside of the cuff (2) when the internal pressure of the cuff (2) is smaller than a threshold value; when the internal pressure of the cuff (2) is larger than the threshold value, the inside of the cuff (2) is deflated.
10. A method for managing the pressure of a trachea cannula according to claim 9 wherein in step b, the cuff (2) is inflated prior to the suction of the deposit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110491430.8A CN113244493A (en) | 2021-05-06 | 2021-05-06 | Trachea cannula capable of monitoring pressure bearing pressure of cuff and pressure bearing pressure management method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110491430.8A CN113244493A (en) | 2021-05-06 | 2021-05-06 | Trachea cannula capable of monitoring pressure bearing pressure of cuff and pressure bearing pressure management method |
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| Publication Number | Publication Date |
|---|---|
| CN113244493A true CN113244493A (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110491430.8A Pending CN113244493A (en) | 2021-05-06 | 2021-05-06 | Trachea cannula capable of monitoring pressure bearing pressure of cuff and pressure bearing pressure management method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681585A (en) * | 2021-09-13 | 2021-11-23 | 清华大学深圳国际研究生院 | Variable-rigidity flexible clamping jaw with artificial pain sensation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216390A (en) * | 2015-09-18 | 2016-01-06 | 广州市华惠材料科技有限公司 | A kind of novel pressure color-changing flexible film material |
| CN105233384A (en) * | 2015-09-19 | 2016-01-13 | 陕西省人民医院 | Trachea cannula capable of monitoring air bag pressure automatically |
| CN112156306A (en) * | 2020-09-10 | 2021-01-01 | 西安交通大学 | Trachea cannula for monitoring cuff pressure in real time |
| CN112156305A (en) * | 2020-09-10 | 2021-01-01 | 西安交通大学 | Trachea cannula with cuff pressure automatic monitoring device |
-
2021
- 2021-05-06 CN CN202110491430.8A patent/CN113244493A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216390A (en) * | 2015-09-18 | 2016-01-06 | 广州市华惠材料科技有限公司 | A kind of novel pressure color-changing flexible film material |
| CN105233384A (en) * | 2015-09-19 | 2016-01-13 | 陕西省人民医院 | Trachea cannula capable of monitoring air bag pressure automatically |
| CN112156306A (en) * | 2020-09-10 | 2021-01-01 | 西安交通大学 | Trachea cannula for monitoring cuff pressure in real time |
| CN112156305A (en) * | 2020-09-10 | 2021-01-01 | 西安交通大学 | Trachea cannula with cuff pressure automatic monitoring device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681585A (en) * | 2021-09-13 | 2021-11-23 | 清华大学深圳国际研究生院 | Variable-rigidity flexible clamping jaw with artificial pain sensation |
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Application publication date: 20210813 |
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