CN112245750A - Multifunctional trachea cannula - Google Patents
Multifunctional trachea cannula Download PDFInfo
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- CN112245750A CN112245750A CN202011018754.1A CN202011018754A CN112245750A CN 112245750 A CN112245750 A CN 112245750A CN 202011018754 A CN202011018754 A CN 202011018754A CN 112245750 A CN112245750 A CN 112245750A
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- Prior art keywords
- sputum suction
- connecting seat
- tube
- transducer
- sputum
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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
- A61M16/0486—Multi-lumen tracheal tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
- B05B17/0623—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers coupled with a vibrating horn
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- A61M1/0023—
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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
- A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
- A61M11/005—Sprayers or atomisers specially adapted for therapeutic purposes using ultrasonics
-
- 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
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
-
- 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
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1025—Respiratory system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (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)
- Pulmonology (AREA)
- Emergency Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a multifunctional trachea cannula, which comprises: the sputum suction device comprises a connecting seat, a ventilation catheter, an inflation tube, an air bag and a sputum suction tube, wherein the connecting seat is connected with the ventilation catheter, the air bag is sleeved on the ventilation catheter, one end of the inflation tube is arranged on the connecting seat, the other end of the inflation tube is connected with the air bag, the near end of the sputum suction tube is arranged on the connecting seat, the far end of the sputum suction tube extends to the end, far away from the connecting seat, of the ventilation catheter, the far end of the sputum suction tube is provided with a liquid inlet hole, fish scales are arranged in the liquid inlet hole, and an included angle is formed between the fish scales and the axis of the sputum suction tube. In the multifunctional trachea cannula provided by the invention, the sputum suction pipe is provided with the fish scales which form an included angle with the axis of the sputum suction pipe, so that the blockage of the sputum suction pipe caused by sucking soft tissues when the sputum is sucked through the sputum suction pipe can be prevented, and the influence of the sputum suction on the ventilation of the ventilation catheter is avoided.
Description
Technical Field
The invention relates to the technical field of medical ventilation equipment, in particular to a multifunctional trachea cannula.
Background
The artificial airway is an air channel established by placing a catheter into the trachea through the upper respiratory tract or directly into the trachea. The artificial airway is an effective connection established between a physiological airway and air or other air sources for ensuring the smoothness of the airway, and provides conditions for effective drainage, smoothness, mechanical ventilation and treatment of lung diseases of the airway. The most common artificial airways are tracheal tubes (oral, nasal) and tracheotomies. Most patients who perform the tracheal intubation and tracheotomy have sputum production, which has the following reasons: diseases such as pulmonary infection, pulmonary edema, etc. due to the disease itself; the artificial airway and sedation cause the weakening of cough reflex and function to disappear, and the accumulation of sputum to increase, because the establishment of the artificial airway loses the capacity of cough and expectoration; the insertion of an artificial airway into the trachea stimulates the tracheal mucosa resulting in increased secretions.
At present, sputum suction methods in the tracheal intubation and tracheal tube placing incision are generally used for sucking and cleaning sputum reaching the trachea and the artificial airway in the lung by inserting a sputum suction tube into the artificial airway and reaching the trachea after a certain time interval is adopted and a certain amount of sputum is accumulated in the trachea. The insertion of the sputum suction tube has great stimulation to patients, and the trachea mucosa can be damaged by repeated insertion of the sputum suction tube. During the sputum suction period, the patient is influenced by ventilation through the artificial airway, the sputum suction time can only be controlled within 15-20 seconds every time, the patient is uncomfortable and lack of oxygen can be caused due to overlong time, the sputum suction in the trachea is required to be performed for several times for the patient with more sputum, and the patient is uncomfortable due to time consumption and labor consumption. In the process of sputum suction, the end opening of the sputum suction tube is often blocked by sucking soft tissues, which not only causes inconvenience of sputum suction operation, but also easily causes injury to the sucked tissue parts due to too strong suction of the sputum suction tube, so that the currently used artificial airway is really to be improved.
Disclosure of Invention
The invention aims to provide a multifunctional trachea cannula to avoid influence of sputum suction on ventilation of an artificial airway and prevent the tail end of a sputum suction tube from being blocked in the sputum suction process.
In order to achieve the above object, the present invention provides a multifunctional endotracheal tube comprising: the sputum suction device comprises a connecting seat, a ventilation catheter, an inflation tube, an air bag and a sputum suction tube, wherein the connecting seat is connected with the ventilation catheter, the air bag is sleeved on the ventilation catheter, one end of the inflation tube is arranged on the connecting seat, the other end of the inflation tube is connected with the air bag, the near end of the sputum suction tube is arranged on the connecting seat, the far end of the sputum suction tube extends to the end, far away from the connecting seat, of the ventilation catheter, the far end of the sputum suction tube is provided with a liquid inlet hole, fish scales are arranged in the liquid inlet hole, and an included angle is formed between the fish scales and the axis of the sputum suction tube.
Optionally, an inner tube is arranged in the sputum suction tube, so that the fish scales are parallel to the axis of the sputum suction tube.
Optionally, the connecting seat includes a connecting disc, and a first joint and a second joint respectively disposed on two sides of the connecting disc, and the second joint is connected to the ventilation duct.
Optionally, the multifunctional trachea cannula further comprises an atomization device, and the atomization device is connected with the first connector.
Optionally, the atomization device comprises: transducer, procapsid, back casing, atomising head, atomizing ball, elastic component and support, the procapsid is connected first joint with back casing, the transducer sets up the procapsid with in the back casing, the atomising head sets up the transducer is close to connecting seat one end, the atomising head is hemisphere casing, the atomising head includes a centre bore, the transducer includes amplitude transformer, amplitude transformer one end is equipped with cylinder portion, cylinder portion sets up in the centre bore of atomising head, cylinder portion with form the air inlet annular between the centre bore, back casing is kept away from connecting seat one end is connected with feed liquor pipe and intake pipe, the intake pipe passes the transducer intercommunication the air inlet annular, the feed liquor pipe passes the transducer extends to cylinder portion, the support sets up first joint with between the amplitude transformer, the elastic part is connected the atomizing ball with the support, the atomizing ball sets up the feed liquor pipe is located the mouth of pipe position of cylinder portion.
Optionally, the transducer further comprises: the piezoelectric ceramic is arranged between the amplitude transformer and the rear cover plate, the electrode plate is arranged between the piezoelectric ceramic, and the rear cover plate and the amplitude transformer are pre-tightened through the compression nut.
Optionally, the atomization device further comprises: the amplitude transformer comprises a sealing ring and a vibration isolation ring, wherein the amplitude transformer comprises a flange ring part, the flange ring part is positioned between the front shell and the rear shell, the vibration isolation ring is arranged between the flange ring part and the rear shell, and the sealing ring is arranged between the flange ring part and the front shell.
The invention provides a multifunctional trachea cannula, which comprises: the sputum suction device comprises a connecting seat, a ventilation catheter, an inflation tube, an air bag and a sputum suction tube, wherein the connecting seat is connected with the ventilation catheter, the air bag is sleeved on the ventilation catheter, one end of the inflation tube is arranged on the connecting seat, the other end of the inflation tube is connected with the air bag, the near end of the sputum suction tube is arranged on the connecting seat, the far end of the sputum suction tube extends to the end, far away from the connecting seat, of the ventilation catheter, the far end of the sputum suction tube is provided with a liquid inlet hole, fish scales are arranged in the liquid inlet hole, and an included angle is formed between the fish scales and the axis of the sputum suction tube. In the multifunctional trachea cannula provided by the invention, the sputum suction pipe is provided with the fish scales which form an included angle with the axis of the sputum suction pipe, so that when sputum is sucked through the sputum suction pipe, the sputum suction pipe cannot be blocked due to the fact that soft tissues are sucked, and the influence of sputum suction on ventilation of the ventilation catheter is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
FIG. 1 is a schematic view of a multifunctional endotracheal tube provided in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a trachea provided by an embodiment of the present invention;
FIG. 3 is a schematic view of the opening of a sputum aspirator tube according to an embodiment of the present invention;
FIG. 4 is a schematic view of a sputum aspirator tube closure according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an atomizing mechanism according to an embodiment of the present invention.
Wherein: 1-connecting seat, 101-first joint, 102-second joint, 2-ventilation conduit, 3-inflation tube, 4-inflation joint, 5-sputum suction tube, 501-fish scale, 502-liquid inlet hole, 6-air bag, 7-inner tube, 8-horn, 801-flange ring part, 9-sealing ring, 10-vibration isolation ring, 11-piezoelectric ceramic, 12-electrode plate, 13-rear cover plate, 14-gland nut, 15-liquid inlet tube, 16-air inlet tube, 17-rear shell, 18-front shell, 19-atomizing head, 20-atomizing ball, 21-elastic piece, 22-bracket and 23-air inlet ring groove.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Fig. 1 is a schematic view of a multifunctional endotracheal tube according to an embodiment of the present invention, fig. 2 is a cross-sectional view of a trachea according to an embodiment of the present invention, fig. 3 is an open schematic view of a sputum aspirator according to an embodiment of the present invention, fig. 4 is a closed schematic view of a sputum aspirator according to an embodiment of the present invention, and referring to fig. 1 to 4, the multifunctional endotracheal tube includes: a connecting seat 1, a ventilation catheter 2, an inflation tube 3, an air bag 6 and a sputum suction tube 5. The connecting seat 1 is connected with the ventilation catheter 2, and the air bag 6 is sleeved on the ventilation catheter 2. The connecting seat 1 comprises a connecting disc and a first joint 101 and a second joint 102 which are respectively arranged on two sides of the connecting disc, and the second joint 102 is connected with the ventilation conduit 2. One end of the inflation tube 3 penetrates through the connecting disc and extends to one side of the first connector 101, and the other end of the inflation tube 3 is connected with the air bag 6 along the ventilation catheter 2. The sputum suction pipe 5 comprises a near end and a far end which are opposite, the near end of the sputum suction pipe 5 penetrates through the connecting disc and extends to one side of the first connector 101, and the far end of the sputum suction pipe 5 extends to one end, far away from the connecting seat, of the ventilation catheter 2. The inflation tube 3 may be located outside the airway tube 2, or inside the airway tube 2, or may be integrally formed with the airway tube 2. The far end of the sputum suction pipe 5 is provided with a liquid inlet hole 502, a fish scale 501 is arranged in the liquid inlet hole 502, and the fish scale 501 and the axis of the sputum suction pipe 5 form an included angle. The liquid inlet hole 502 is provided with a plurality of liquid inlet holes along the circumferential direction of the sputum suction pipe 5, the fish scale 501 is elastically connected with the sputum suction pipe 5, namely, the fish scale 501 tilts to form an included angle with the axis of the sputum suction pipe 5 in a natural state, the specific angle is not limited, the angle is 20-70 degrees in the embodiment, and when the fish scale 501 is rotated, the fish scale 501 can be rotated to be parallel to the axis of the sputum suction pipe 5, so that the fish scale 501 sinks into the liquid inlet hole 502, and the withdrawing rotating force is a recoverable natural state because the fish scale 501 is elastically connected with the sputum suction pipe 5.
Referring to fig. 1-4, an inner tube 7 is arranged in the sputum aspirator 5, and when the inner tube 7 is inserted into the sputum aspirator 5, the inner tube 7 applies a rotating force to the fish scale 501, so that the fish scale 501 is parallel to the axis of the sputum aspirator 5. When the trachea is intubated and extracted, the inner tube 7 is inserted into the sputum suction tube 5, and the stimulation of the fish scale 501 to the trachea of the patient is reduced. One end of the inflation tube 3, which is close to the connecting seat 1, is connected with an inflation connector 4, and the inflation connector 4 is connected with an inflation device for inflating the airbag 6.
The breathing machine can be connected to the first joint 101 of connecting seat 1, be used for the pulmonary insufficiency, patient that can not breathe by oneself, but the upper airway that includes larynx source breathing difficulty hinders the patient and inserts and can breathe through airway 2 after 2, needn't use the breathing machine, but directly use airway 2 to breathe, the air of breathing does not pass through the humidification, cause respiratory track humidity inadequately easily, cilia motion weakens, the sputum discharging difficulty, arouse respiratory tract infection, reduce the compliance of lung, block the respiratory tract if form the scab, will cause breathing difficulty or suffocate, seriously threaten patient's life safety. Therefore, for a patient with trachea cannula or tracheotomy, the patient needs to be timely treated by atomization and sputum suction to humidify the airway and reduce the accumulation and blockage of airway secretions, so that the occurrence of airway complications and pulmonary infection is effectively reduced. In addition, the aerosol inhalation therapy is to disperse the medicine into tiny droplets or particles by an atomization device, suspend the droplets or particles in the air, and enter a breathing passage and lungs to achieve the purposes of cleaning the air passage, humidifying the air passage, local treatment and systemic treatment. In order to humidify the airway or atomize the drug delivery treatment, the multifunctional tracheal cannula provided by the invention further comprises an atomizing device, fig. 5 is a schematic view of an atomizing mechanism provided by one embodiment of the invention, as shown in fig. 1-5, the atomizing device is connected with the first connector 101 during the atomizing drug delivery, and a three-way pipe can be further connected between the connecting seat 1 and the atomizing device during the humidifying airway, so that the patient can breathe freely.
Referring to fig. 5, the atomization device includes: transducer, front housing 18, rear housing 17, atomizing head 19, atomizing ball 20, elastic member 21 and support 22. The energy converter is ultrasonic transducer, front housing 18 connect first joint 101 with back casing 17, the energy converter sets up front housing 18 with in the back casing 17, atomizing head 19 sets up the energy converter is close to connecting seat 1 one end, atomizing head 19 is the hemisphere casing, atomizing head 19 includes a centre bore, the energy converter includes amplitude transformer 8, amplitude transformer 8 one end is equipped with the cylinder portion, the cylinder portion sets up in atomizing head 19's centre bore, form air inlet ring groove 23 between cylinder portion and the centre bore. Rear housing 17 keeps away from 1 one end of connecting seat is connected with feed liquor pipe 15 and intake pipe 16, intake pipe 16 passes the transducer intercommunication air inlet ring groove 23, feed liquor pipe 15 passes the transducer extends to cylinder portion. The support 22 is arranged between the first joint 101 and the horn 8, the support 22 is fixedly connected with the inner wall of the front housing 18, the support 22 is a cross-shaped support, the elastic member 21 is connected with the atomizing ball 20 and the support 22, the elastic member 21 comprises a spring, and the atomizing ball 20 is arranged at the position of the pipe orifice of the liquid inlet pipe 15, which is located at the cylindrical part. When liquid medicine or water is conveyed to the position of the atomizing ball 20 through the liquid inlet pipe 15, the ultrasonic vibration of the atomizing ball 20 atomizes the liquid medicine or the water, the atomizing head 19 can atomize the liquid medicine or the water with large particles for the second time, the compressed air is conveyed to the air inlet ring groove 23 through the air inlet pipe 16, the air is mixed with the atomized liquid medicine or the water, and the atomized liquid medicine or the water is conveyed to the trachea or the lung of a patient.
Referring to fig. 5, the transducer further comprises: the piezoelectric ceramic module comprises piezoelectric ceramics 11, electrode plates 12, a rear cover plate 13 and a compression nut 14, wherein the piezoelectric ceramics 11 are arranged between the amplitude transformer 8 and the rear cover plate 13, the electrode plates 12 are arranged between the piezoelectric ceramics 11, and the rear cover plate 13 and the amplitude transformer 8 are pre-tightened through the compression nut 14. While a variety of transducers exist in the prior art, the atomizing device of the present invention may employ a variety of transducers. The atomization device further comprises: sealing ring 9 and vibration isolation ring 10, said horn 8 includes a flange ring portion 801, said flange ring portion 801 is located between said front shell 18 and said rear shell 17, said vibration isolation ring 10 is set between said flange ring portion 801 and said rear shell 17, said sealing ring 9 is set between said flange ring portion 801 and said front shell 18, front shell 18 and rear shell 17 can adopt screw thread connection.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (7)
1. A multifunctional endotracheal tube, comprising: the sputum suction device comprises a connecting seat, a ventilation catheter, an inflation tube, an air bag and a sputum suction tube, wherein the connecting seat is connected with the ventilation catheter, the air bag is sleeved on the ventilation catheter, one end of the inflation tube is arranged on the connecting seat, the other end of the inflation tube is connected with the air bag, the near end of the sputum suction tube is arranged on the connecting seat, the far end of the sputum suction tube extends to the end, far away from the connecting seat, of the ventilation catheter, the far end of the sputum suction tube is provided with a liquid inlet hole, fish scales are arranged in the liquid inlet hole, and an included angle is formed between the fish scales and the axis of the sputum suction tube.
2. The multifunctional endotracheal tube according to claim 1, characterized in that an inner tube is provided in the sputum aspirator so that the scales are parallel to the axis of the sputum aspirator.
3. The multifunctional endotracheal tube according to claim 1, characterized in that the connection seat comprises a connection disc and a first joint and a second joint respectively provided at both sides of the connection disc, the second joint being connected to the ventilation catheter.
4. The multifunctional endotracheal tube according to claim 3, characterized in that it further comprises an aerosolization device connected with the first connector.
5. The multifunctional endotracheal tube according to claim 4, characterized in that the nebulizing means comprise: transducer, procapsid, back casing, atomising head, atomizing ball, elastic component and support, the procapsid is connected first joint with back casing, the transducer sets up the procapsid with in the back casing, the atomising head sets up the transducer is close to connecting seat one end, the atomising head is hemisphere casing, the atomising head includes a centre bore, the transducer includes amplitude transformer, amplitude transformer one end is equipped with cylinder portion, cylinder portion sets up in the centre bore of atomising head, cylinder portion with form the air inlet annular between the centre bore, back casing is kept away from connecting seat one end is connected with feed liquor pipe and intake pipe, the intake pipe passes the transducer intercommunication the air inlet annular, the feed liquor pipe passes the transducer extends to cylinder portion, the support sets up first joint with between the amplitude transformer, the elastic part is connected the atomizing ball with the support, the atomizing ball sets up the feed liquor pipe is located the mouth of pipe position of cylinder portion.
6. The multifunctional endotracheal tube according to claim 5, characterized in that the transducer further comprises: the piezoelectric ceramic is arranged between the amplitude transformer and the rear cover plate, the electrode plate is arranged between the piezoelectric ceramic, and the rear cover plate and the amplitude transformer are pre-tightened through the compression nut.
7. The multifunctional endotracheal tube according to claim 5, characterized in that the nebulizing means further comprise: the amplitude transformer comprises a sealing ring and a vibration isolation ring, wherein the amplitude transformer comprises a flange ring part, the flange ring part is positioned between the front shell and the rear shell, the vibration isolation ring is arranged between the flange ring part and the rear shell, and the sealing ring is arranged between the flange ring part and the front shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011018754.1A CN112245750B (en) | 2020-09-24 | 2020-09-24 | Multifunctional trachea cannula |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011018754.1A CN112245750B (en) | 2020-09-24 | 2020-09-24 | Multifunctional trachea cannula |
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| CN112245750A true CN112245750A (en) | 2021-01-22 |
| CN112245750B CN112245750B (en) | 2023-08-15 |
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| CN206652074U (en) * | 2016-12-27 | 2017-11-21 | 西安市儿童医院 | One kind is used to clean trachea cannula inwall sputum accommodating device |
| CN207168765U (en) * | 2017-01-18 | 2018-04-03 | 中国人民解放军第三军医大学第三附属医院 | A kind of sputum aspirator tube |
| CN107670165A (en) * | 2017-09-28 | 2018-02-09 | 杭州市第人民医院 | Stop that surrounding tissue grows the double-jacket tube to tubular body |
| CN107982622A (en) * | 2017-12-27 | 2018-05-04 | 安徽医科大学第附属医院 | A kind of Multifunctional sputum aspirator |
| CN109847163A (en) * | 2018-12-26 | 2019-06-07 | 青岛市第三人民医院 | A kind of suction sputum type trachea cannula |
| CN109731149A (en) * | 2018-12-29 | 2019-05-10 | 重庆市璧山区人民医院 | A kind of negative pressure suction sputum instrument |
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| CN112245750B (en) | 2023-08-15 |
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