CN104906642A - Breathing auxiliary drainage apparatus and method - Google Patents
Breathing auxiliary drainage apparatus and method Download PDFInfo
- Publication number
- CN104906642A CN104906642A CN201510380326.6A CN201510380326A CN104906642A CN 104906642 A CN104906642 A CN 104906642A CN 201510380326 A CN201510380326 A CN 201510380326A CN 104906642 A CN104906642 A CN 104906642A
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- pressure
- drainage
- drainage tube
- negative pressure
- liquid trap
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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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/73—Suction drainage systems comprising sensors or indicators for physical values
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (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)
- External Artificial Organs (AREA)
Abstract
The invention discloses a breathing auxiliary drainage apparatus and method. The apparatus comprises a drainage pipe, a liquid trap communicating with the drainage pipe, and a negative pressure generator communicating with the liquid trap so as to communicate with the drainage pipe through the liquid trap, wherein a drainage inlet is formed at one end, which is away from the liquid trap, on the drainage pipe, a pressure sensor is formed at the outer wall of the drainage pipe close to the drainage inlet, and the pressure sensor is electrically connected with the negative pressure generator through a transmission line formed in the drainage pipe and the liquid trap. By using the breathing auxiliary drainage apparatus and method, pressure in a thoracic cavity can be detected in real time, the pressure in the thoracic cavity is increased or decreased through combination with the breathing motion of a patient, accumulated gas and accumulated liquid in the thoracic cavity are effectively discharged, the compliance of lung is enhanced, a breathing function is improved, the burden of a cardiopulmonary function of the patient is mitigated, the need for breathing metabolism is met, at the same time, the possibility of endotracheal intubation for assisted ventilation is also reduced, and a series of correlated complications are avoided.
Description
Technical field
The present invention relates to medical instruments field, particularly a kind of drainage system and method.
Background technology
Pleural cavity closed drainage device is the conventional equipment after thoracic surgery, draws the gas and liquid that accumulate in thoracic cavity, and prevents its reflux, promote lung recruitment, the vertical diaphragm displacement of prevention and lung pressurized.
During current pleural cavity closed drainage device many dependence patient respiration, the extruding of lung and the change of intrathoracic pressure power and action of gravity reach drainage effect.If desired, the vacuum suction of persistence is taked.But pressure during vacuum suction cannot change with the change of intrathoracic pressure power when breathing, and cannot produce the assosting effect to breathing, when patient exhales, because the existence of continuous negative pressure, also can produce retroaction to respiratory function on the contrary, be unfavorable for the recovery of drain and pulmonary function.
Summary of the invention
In order to solve the problem, the invention provides a kind of Respiration assistance drainage system and method, intrathoracic pressure is detected by the pressure transducer be arranged on drainage tube, and control the work of vacuum generator according to demand, accelerate the discharge of breast intracavity gas, liquid, play the effect of respiratory pump, the effect that partly can reach simple respirator but breathes no more the related side effects of machine, patient's cardio-pulmonary function burden can be alleviated, to meet the needs of respiratory metabolism.
For achieving the above object, the present invention specifically adopts following technical scheme:
A kind of Respiration assistance drainage system, the negative pressure generator comprising drainage tube, the liquid trap be communicated with described drainage tube and be communicated with described liquid trap and then be communicated with described drainage tube by described liquid trap, described drainage tube is formed with drain entrance away from one end of described liquid trap, the outer wall of the described drainage tube near described drain entrance is formed with pressure transducer, and described pressure transducer is electrically connected with described negative pressure generator by being formed in described drainage tube transmission line that is inner and described liquid trap inside.
Respiration assistance drainage system as above, the sidewall of the described drainage tube near described drain entrance is also formed with several conduction holes.
Respiration assistance drainage system as above, the distance of described pressure transducer and described drain entrance is greater than the distance of end conduction hole away from described drain entrance and described drain entrance.
Respiration assistance drainage system as above, has protective sleeve in described transmission line arranged outside.
Respiration assistance drainage system as above, described drainage tube material is medical resin or medical grade silicon rubber.
Respiration assistance drainage system as above, described negative pressure generator comprises:
Receiver module, to detect and by the pressure signal of described transmission line for receiving described pressure transducer;
Comparison module, for the size of more described pressure signal and setting pressure, and exports comparative result;
Instruction generation and output module, generate control instruction for the comparative result according to described comparison module and export;
Negative pressure generation module, for producing negative pressure according to described control instruction and exporting in described liquid trap.
One realizes Respiration assistance drainage method based on above-mentioned Respiration assistance drainage system, and described method comprises:
Drainage tube in described Respiration assistance drainage system is positioned in thoracic cavity, makes the pressure transducer on described drainage tube be positioned at described thoracic cavity;
Described pressure transducer is utilized to detect intrathoracic pressure, by testing result by being arranged in the transmission line of described drainage tube to being positioned at external negative pressure generator;
Described negative pressure generator obtains the pleural pressure corresponding to pressure signal of described pressure transducer transmission, and this pleural pressure and setting pressure is made comparisons; When pleural pressure when air-breathing is less than described setting pressure, negative pressure generator work, controls to form negative pressure in described thoracic cavity by the liquid trap in described Respiration assistance drainage system and described drainage tube; When pleural pressure when exhaling is not less than described setting value, negative pressure generator quits work.
Compared with prior art, advantage of the present invention and good effect are: the present invention has the device of drainage tube, liquid trap and negative pressure generator by arranging, pressure transducer is provided with in drainage tube, the pressure in chest can be detected in real time, and whether work according to the size control negative pressure generator of pleural pressure.When intrathoracic pressure is lower than setting pressure when air-breathing being detected, starts negative pressure generator and starting working, in thoracic cavity, forming negative pressure by drainage tube, promoting breast intracavity gas, the outflow of liquid and the expansion of lung; And when when expiration being detected, intrathoracic pressure is not less than setting pressure, negative pressure generator quits work, intrathoracic negative pressure is reduced rapidly, promote lung recoil, alveolar and intratracheal pressure are increased rapidly, accelerate the discharge of waste gas and tracheal strips sputum in lung, clot, play the effect of respiratory pump.Thus, alleviate the burden of patient's cardio-pulmonary function, improve respiratory function, the function of assisted respiartion machine can be replaced to a certain extent, do not need to carry out tracheal intubation when realizing assisted respiartion, decrease the misery of patient, reduce a series of complication that tracheal intubation is brought.And, while assisted respiartion, the eliminating of thoracic cavity inner product QI-mass liquid can also be accelerated, realize drainage function.
Accompanying drawing explanation
Fig. 1 is the structural representation of a Respiration assistance drainage system of the present invention embodiment;
Fig. 2 is the theory diagram of negative pressure generator in Fig. 1.
Detailed description of the invention
Be described in further detail the present invention by specific embodiment below in conjunction with accompanying drawing, following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
Refer to an embodiment of the Respiration assistance drainage system of the present invention shown in Fig. 1 and Fig. 2, wherein, Fig. 1 is the structural representation of this embodiment, and Fig. 2 is the theory diagram of negative pressure generator in Fig. 1.
As shown in Figures 1 and 2, the Respiration assistance drainage system of this embodiment comprises drainage tube 1, negative pressure generator 2 and liquid trap 3.Drainage tube 1 one end is communicated with liquid trap 3, and the other end is formed with drain entrance 11.Negative pressure generator 2 is communicated with liquid trap 3, and then is communicated with drainage tube 1 by liquid trap.Specifically, liquid trap 3 includes the first chamber 31, second chamber 32 and the 3rd chamber 33 that are arranged side by side.First chamber 31 top is formed with two openings, and drainage tube 1 is communicated with the first chamber 31 by one of them opening.Second chamber 32 top is formed with an opening, and this opening of the second chamber 32 is connected with another opening at the first chamber 31 top by connection tube 34, and then realizes being communicated with of the first chamber 31 and the second chamber 32.Be formed with through hole 35 between 3rd chamber 33 and the second chamber 32, utilize this through hole 35 to realize being communicated with of the 3rd chamber 33 and the second chamber 32.3rd chamber 33 top is also formed with opening, and negative pressure generator 2 is communicated with the 3rd chamber 33 by this opening at connection tube and the 3rd chamber 33 top.Adopt the liquid trap 3 of this version, effectively can realize being separated of gas and liquid.
On drainage tube 1, on the drainage tube outer wall of drain entrance 11, be formed with pressure transducer 4, be used for detecting intrathoracic pressure.Pressure transducer 4 is electrically connected with negative pressure generator 2 by being formed in drainage tube 1 transmission line 5 that is inner and liquid trap 3 inside.The preferred material of drainage tube 1 is medical resin or medical grade silicon rubber.
The part that transmission line 5 is positioned at drainage tube 1 inside is preferably fixed on the inwall of drainage tube 1.As preferred embodiment, have protective sleeve 6 in the arranged outside of transmission line 5, transmission line 5 is fixed on the inwall of drainage tube 1 by protective sleeve 6.By arranging protective sleeve 6, transmission line 5 can be protected, avoiding because gas flowing or intrathoracic hydrops are discharged and affect transmission line 5 normal transmission signal.
The sidewall of the drainage tube 1 near drain entrance 11 is formed with multiple conduction hole 12.The setting of conduction hole 12, adds pneumatosis and hydrops in thoracic cavity and enters the passage of drainage tube 1, to reach better drainage effect.Preferably, pressure transducer 4 and the distance of drain entrance 11 are greater than distance drain entrance end conduction hole 121 farthest and the distance of drain entrance 11.Also namely, pressure transducer 4 is formed on drainage tube outer wall, does not offer the position of conduction hole 12, avoids pressure transducer 4 to affect the drainage effect of conduction hole 12.Preferred, pressure transducer 4 and end conduction hole 121 interval 2cm.Negative pressure generator 2, as the capital equipment producing negative pressure, controllably can produce negative pressure according to the testing result of pressure transducer 4.
Specifically, as schematically shown in Figure 2, negative pressure generator 2 include connect successively receiver module 21, comparison module 22, instruction generation and output module 23 and negative pressure generation module 24.Wherein, receiver module 21 detects for receiving pressure transducer 4 and transmits pressure signal by transmission line 5; Comparison module 22 for the size of the pressure signal that compares receiver module 21 and receive and setting pressure, and exports comparative result; Instruction generation and output module 23 generate control instruction for the comparative result according to comparison module 22 and export; Negative pressure generation module, determines whether produce negative pressure for the control instruction exported according to instruction generation and output module 23, and the negative pressure of generation is exported in liquid trap 3.
When the Respiration assistance drainage system of said structure uses, drainage tube 1 is formed with the skin incision of one end through thoracic wall 7 of drain entrance 11, be inserted into thoracic cavity, fix drainage tube 1, make the drain entrance 11 on drainage tube 1, pressure transducer 4 and conduction hole 12 all be positioned at thoracic cavity, part drainage tube is positioned at external.
In normal spontaneous respiration process, producing negative pressure in respiratory muscle contracted chest during air-breathing, there is the negative pressure of alveolar and air flue in the passive expansion of lung, and the atmospheric pressure of outside higher than air flue and IA air pressure, and then makes gas enter into lung to complete aspiratory action; Thorax and lung recoil after air-breathing completes, make lung and endotracheal air pressure higher than external atmosphere pressure, and then make gas complete respiratory movement from air is breathed out in thoracic cavity.And for the patient after thoracic surgery, because Ipsilateral in art stops ventilation for a long time, after recovering ventilation, usually secretions increases, the phenomenon of pulmonary atelectasis is there is in the lobe of the lung without ventilation, simultaneously also because post-operative incisional pain causes patient to deeply breathe or firmly cough, and then cause endotracheal sputum and blood clot to discharge difficulty, obstructing airway causes pulmonary atelectasis, then pneumonia is caused, pulmonary abscess even causes respiratory failure, dare not firmly cough simultaneously, cause pneumatosis in pleural space, difficulty discharged by hydrops, also the generation infected in pulmonary atelectasis and thoracic cavity has been increased the weight of, affect patient's prognosis.And adopt the Respiration assistance drainage system of said structure, effectively can carry out the recovery of respiratory function by assisting patients, and realize effective drain, concrete Respiration assistance drainage method is as follows:
When patient starts air-breathing, the pressure transducer 4 be inserted on intrathoracic drainage tube 1 detects intrathoracic pressure signal, and this signal is transferred to the receiver module 21 in negative pressure generator 2 by the transmission line 6 being arranged on drainage tube 1 inside.Receiver module 21 receives intrathoracic pressure signal, and after being converted to corresponding pleural pressure, this pleural pressure and setting pressure compare by comparison module 22, controls whether produce negative pressure according to comparative result.Specifically, if pleural pressure when comparative result is air-breathing is less than setting pressure, then instruction generation and output module 23 export the control instruction of starting working to negative pressure generation module 24, negative pressure generation module 24 is started working, by the liquid trap 3 be connected with negative pressure generator 2 and the drainage tube 1 be connected with liquid trap 3, finally in thoracic cavity, form negative pressure, thus make intrathoracic pressure reduce and help the gas in air to enter in lung, complete the action of air-breathing.Meanwhile, that impels lung recruitment and thoracic cavity inner product QI-mass liquid enters into drainage tube 1 by drain entrance 11 and conduction hole 12, and is discharged in liquid trap 3 through drainage tube 1.When patient starts to exhale, the pressure signal that pressure transducer 4 detects through comparison module 22 relatively after, the pleural pressure when comparative result obtained is expiration is not less than setting pressure, then instruction generation and output module 23 export out-of-work control instruction to negative pressure generation module 24, control negative pressure generation module 24 and quit work.Negative pressure generation module 24 quits work, and finally makes the negative pressure in drainage tube 1 and thoracic cavity disappear, and lung retraction adds the pressure of alveolar and air flue, accelerates the discharge of gas in lung, and then helps through the action of expiration.
The Respiration assistance drainage system utilizing the present embodiment to provide and method, intrathoracic pressure can be detected in real time, respiratory movement in conjunction with patient increases or reduces intrathoracic pressure, effectively discharge intrathoracic pneumatosis and hydrops, add the compliance of lung, improve respiratory function, alleviate the burden of patient's cardio-pulmonary function, meet the needs of respiratory metabolism, meanwhile, the series of side effects that the function that partly can replace respirator does not but have conventional ventilators to cause.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to most preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be contained in the middle of right of the present invention.
Claims (7)
1. a Respiration assistance drainage system, it is characterized in that, the negative pressure generator comprising drainage tube, the liquid trap be communicated with described drainage tube and be communicated with described liquid trap and then be communicated with described drainage tube by described liquid trap, described drainage tube is formed with drain entrance away from one end of described liquid trap, the outer wall of the described drainage tube near described drain entrance is formed with pressure transducer, and described pressure transducer is electrically connected with described negative pressure generator by being formed in described drainage tube transmission line that is inner and described liquid trap inside.
2. Respiration assistance drainage system according to claim 1, is characterized in that, the sidewall of the described drainage tube near described drain entrance is also formed with several conduction holes.
3. Respiration assistance drainage system according to claim 2, is characterized in that, the distance of described pressure transducer and described drain entrance is greater than the distance of end conduction hole away from described drain entrance and described drain entrance.
4. Respiration assistance drainage system according to claim 1, is characterized in that, has protective sleeve in described transmission line arranged outside.
5. Respiration assistance drainage system according to claim 1, is characterized in that, described drainage tube material is medical resin or medical grade silicon rubber.
6. Respiration assistance drainage system according to any one of claim 1 to 5, is characterized in that, described negative pressure generator comprises:
Receiver module, to detect and by the pressure signal of described transmission line for receiving described pressure transducer;
Comparison module, for the size of more described pressure signal and setting pressure, and exports comparative result;
Instruction generation and output module, generate control instruction for the comparative result according to described comparison module and export;
Negative pressure generation module, for producing negative pressure according to described control instruction and exporting in described liquid trap.
7. realize a Respiration assistance drainage method based on the Respiration assistance drainage system according to any one of the claims 1 to 5, it is characterized in that, described method comprises:
Drainage tube in described Respiration assistance drainage system is positioned in thoracic cavity, makes the pressure transducer on described drainage tube be positioned at described thoracic cavity;
Described pressure transducer is utilized to detect intrathoracic pressure, by testing result by being arranged in the transmission line of described drainage tube to being positioned at external negative pressure generator;
Described negative pressure generator obtains the pleural pressure corresponding to pressure signal of described pressure transducer transmission, and this pleural pressure and setting pressure is made comparisons; When pleural pressure when air-breathing is less than described setting pressure, negative pressure generator work, controls to form negative pressure in described thoracic cavity by the liquid trap in described Respiration assistance drainage system and described drainage tube; When pleural pressure when exhaling is not less than described setting pressure, negative pressure generator quits work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510380326.6A CN104906642A (en) | 2015-07-02 | 2015-07-02 | Breathing auxiliary drainage apparatus and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510380326.6A CN104906642A (en) | 2015-07-02 | 2015-07-02 | Breathing auxiliary drainage apparatus and method |
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| Publication Number | Publication Date |
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| CN104906642A true CN104906642A (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510380326.6A Pending CN104906642A (en) | 2015-07-02 | 2015-07-02 | Breathing auxiliary drainage apparatus and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023140A (en) * | 2020-09-17 | 2020-12-04 | 中国人民解放军陆军特色医学中心 | Thoracic drainage online monitoring system and working method thereof |
| CN113181453A (en) * | 2021-04-19 | 2021-07-30 | 宁波新跃医疗科技股份有限公司 | Negative pressure suction device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2102752U (en) * | 1991-09-09 | 1992-04-29 | 张正云 | Disposable thoracic cavity close type negative pressure attract water sealed bottle |
| CN202590141U (en) * | 2012-04-16 | 2012-12-12 | 中国人民解放军第三军医大学第一附属医院 | Negative pressure aspirator |
| CN203468603U (en) * | 2013-09-06 | 2014-03-12 | 上海市第十人民医院 | Thorax and abdomen combined piezometer tube |
| CN203790412U (en) * | 2014-02-21 | 2014-08-27 | 苏州大学 | Backflow prevention stomach tube |
| CN204072887U (en) * | 2014-08-27 | 2015-01-07 | 江苏省人民医院 | A kind of laparoscopic surgery is with continuing suction pump |
-
2015
- 2015-07-02 CN CN201510380326.6A patent/CN104906642A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2102752U (en) * | 1991-09-09 | 1992-04-29 | 张正云 | Disposable thoracic cavity close type negative pressure attract water sealed bottle |
| CN202590141U (en) * | 2012-04-16 | 2012-12-12 | 中国人民解放军第三军医大学第一附属医院 | Negative pressure aspirator |
| CN203468603U (en) * | 2013-09-06 | 2014-03-12 | 上海市第十人民医院 | Thorax and abdomen combined piezometer tube |
| CN203790412U (en) * | 2014-02-21 | 2014-08-27 | 苏州大学 | Backflow prevention stomach tube |
| CN204072887U (en) * | 2014-08-27 | 2015-01-07 | 江苏省人民医院 | A kind of laparoscopic surgery is with continuing suction pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023140A (en) * | 2020-09-17 | 2020-12-04 | 中国人民解放军陆军特色医学中心 | Thoracic drainage online monitoring system and working method thereof |
| CN112023140B (en) * | 2020-09-17 | 2022-04-19 | 中国人民解放军陆军特色医学中心 | Thoracic drainage online monitoring system and working method thereof |
| CN113181453A (en) * | 2021-04-19 | 2021-07-30 | 宁波新跃医疗科技股份有限公司 | Negative pressure suction device |
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Application publication date: 20150916 |
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