CN216798433U - Composite double-layer sputum excretion type tracheal catheter device - Google Patents
Composite double-layer sputum excretion type tracheal catheter device Download PDFInfo
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- CN216798433U CN216798433U CN202123007657.5U CN202123007657U CN216798433U CN 216798433 U CN216798433 U CN 216798433U CN 202123007657 U CN202123007657 U CN 202123007657U CN 216798433 U CN216798433 U CN 216798433U
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Abstract
The utility model discloses a composite double-layer sputum excretion type tracheal catheter device, which comprises a tracheal catheter, an air bag inflation tube, a subglottic sputum suction tube and a sputum excretion tube, wherein the tracheal catheter is provided with a central hole; an inflatable air bag is arranged at the position, close to the head end, of the tracheal catheter, a plurality of subglottal sputum suction holes are arranged at the position, close to the head end, of the tracheal catheter, and the subglottal sputum suction holes are located between the inflatable air bag and the head end of the tracheal catheter; the tracheal catheter is provided with a plurality of elliptical sputum discharging holes in the tracheal catheter, and the sputum discharging holes in the tracheal catheter are positioned above the vocal cord line on the tracheal catheter; the utility model has the function of sputum excretion and better meets the hydromechanical requirement of lung sputum excretion; is beneficial to overcoming the gravity migration of the sputum; the trachea is of a double-layer composite catheter structure, is directly above the vocal cord line and is larger than the dilated trachea, and is beneficial to preventing the trachea from being inserted too deeply in the process of using the trachea cannula to ventilate one side of the lung.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to a composite double-layer sputum excretion type tracheal catheter device.
Background
In the technical field of the prior invasive respiratory support for critical patients, the mechanical ventilation is mainly performed under the tracheal intubation, the mechanical ventilation comprises the tracheal intubation under the tracheotomy and the transnasal tracheal intubation through the mouth, technically, adults and children generally use the tracheal catheter with the saccule at the front end, and the tracheal catheter can establish an effective channel between a respirator and a tracheal tube and prevent air leakage, so that the positive pressure ventilation is ensured to be performed smoothly. Clinically, cough and endotracheal sputum aspiration are mainly guided, but the effect is not ideal.
Disclosure of Invention
Aiming at the technical defects, the utility model aims to provide a composite double-layer sputum excretion type tracheal catheter device which has a sputum excretion function, when a patient uses the device to receive mechanical ventilation, sputum enters a sputum excretion tube through a sputum excretion hole in the tracheal catheter, and the migration distance in the tracheal catheter body is close to the migration in the trachea in a natural state; more meets the hydromechanics requirement of lung sputum excretion.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a composite double-layer sputum excretion type tracheal catheter device is characterized by comprising a tracheal catheter, an air bag inflation tube, a subglottic sputum suction tube and a sputum excretion tube; an inflatable air bag is arranged at the position, close to the head end, of the tracheal catheter, a plurality of subglottal sputum suction holes are arranged at the position, close to the head end, of the tracheal catheter, and the subglottal sputum suction holes are located between the inflatable air bag and the head end of the tracheal catheter; the tracheal catheter is provided with a plurality of elliptical sputum discharging holes in the tracheal catheter, and the sputum discharging holes in the tracheal catheter are positioned above the vocal cord line on the tracheal catheter;
the sputum excretion tube is wound on the outer side of the tracheal catheter, two ends of the sputum excretion tube are hermetically connected with the outer wall of the tracheal catheter, and the bottom end of the sputum excretion tube extends to the position below a sputum excretion hole in the tracheal catheter; the sputum excretion tube is communicated with the tracheal catheter through a sputum excretion hole in the tracheal catheter; the top end of the sputum discharging pipe extends out to the side edge at an angle of 30 degrees to form an outer sputum discharging pipe; the outer sputum discharging pipe is connected with a valve;
the tracheal catheter is connected with a subglottic sputum suction tube close to the top end of the sputum discharge tube, the part of the tracheal catheter above the subglottic sputum suction tube is connected with an air bag inflation tube, and the front end of the air bag inflation tube is provided with an air bag.
Preferably, the inner diameter of the sputum discharging hole in the tracheal catheter is smaller than the inner diameter of the tracheal catheter;
preferably, the number of the sputum excretion holes in the tracheal catheter is 3-4;
preferably, the distance between the inner sputum discharging hole and the vocal cord line of the tracheal catheter is 8-12 mm;
preferably, the distance between the bottom end of the sputum excretion pipe and the vocal cord line of the endotracheal tube is 4-6 mm.
The utility model has the beneficial effects that 1, the sputum excretion function is realized, sputum enters the sputum excretion pipe through the sputum excretion hole in the tracheal catheter, and the migration distance in the tracheal catheter body is close to that in the natural state; more meets the hydromechanics requirement of lung sputum excretion.
2. The diameter of sputum passing through the sputum discharging hole in the oval tracheal catheter is slightly smaller than the inner diameter of the tracheal catheter, so that the sputum discharging hole has a hydrodynamic effect of pressurization acceleration and is beneficial to overcoming the gravity migration of the sputum.
3. The trachea is of a double-layer composite catheter structure, is directly above the vocal cord line and is larger than the dilated trachea, and is beneficial to preventing the trachea from being inserted too deeply in the process of using the trachea cannula to ventilate one side of the lung.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a composite double-layer sputum excretion type tracheal catheter device provided by the utility model.
Description of reference numerals:
the device comprises a tracheal catheter 1, a subglottal sputum suction hole 2, a head end 3, a vocal cord line 4, an endotracheal tube inner sputum discharge hole 5, an outer sputum discharge tube 6, a valve 7, an air bag inflation tube 8, a tail end 9, a subglottal sputum suction tube 10, a sputum discharge tube 11 and an inflation air bag 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a composite double-layer sputum excretion type tracheal catheter device comprises a tracheal catheter 1, an air bag inflation tube 8, a subglottic sputum suction tube 10 and a sputum excretion tube 11; an inflatable air bag 12 is arranged at the position, close to the head end 3, of the tracheal catheter 1, a plurality of subglottic sputum suction holes 2 are arranged at the position, close to the head end 3, of the tracheal catheter 1, and the subglottic sputum suction holes 2 are located between the inflatable air bag 12 and the head end 3 of the tracheal catheter 1; a plurality of elliptical intratracheal sputum discharging holes 5 are formed in the tracheal catheter 1, and the intratracheal sputum discharging holes 5 are positioned above the vocal cord lines 4 on the tracheal catheter 1;
the sputum excretion pipe 11 is wrapped on the outer side of the tracheal catheter 1, two ends of the sputum excretion pipe 11 are hermetically connected with the outer wall of the tracheal catheter 1, and the bottom end of the sputum excretion pipe 11 extends to the lower part of a sputum excretion hole 5 in the tracheal catheter; the sputum excretion pipe 11 is communicated with the tracheal catheter 1 through a sputum excretion hole 5 in the tracheal catheter;
the top end of the sputum discharging pipe 11 extends out to the side edge at an angle of 30 degrees to form an outer sputum discharging pipe 6; the outer sputum discharging pipe 6 is connected with a valve 7; the maximum inner diameter of the valve 7 is close to the sputum discharging hole 5 in the tracheal catheter, and the opening and closing of the sputum discharging pipe 11 are adjusted; the outer opening of the valve 7 can be externally connected with a sputum drainage tube and an open sputum storage tank.
The tracheal catheter 1 is connected with a subglottic sputum suction tube 10 close to the top end of the sputum discharge tube 11, the part of the tracheal catheter 1 above the subglottic sputum suction tube 10 is connected with an air bag inflation tube 8, and the front end of the air bag inflation tube 8 is provided with an air bag.
Further, the inner diameter of the sputum discharging hole 5 in the tracheal catheter is smaller than that of the tracheal catheter 1;
furthermore, the number of the sputum discharging holes 5 in the tracheal catheter is 3-4;
further, the distance between the inner sputum discharging hole and the vocal cord line of the tracheal catheter 1 is 48-12 mm;
furthermore, the distance between the bottom end of the sputum discharging pipe 11 and the vocal cord line of the tracheal catheter 1 is 44-6 mm.
During the use, under the laryngoscope direct vision, expose patient's glottis, insert this compound double-deck endotracheal tube 1 to patient's trachea, the vocal cord line 4 and the tracheal mouth glottis parallel and level of endotracheal tube area pipe. The inflatable air bag 12 is adjusted to a proper pressure, the valve 7 of the outer sputum discharging pipe 6 is closed, and the respirator is connected to support invasive respiration of the patient.
When there is more sputum in the trachea of the patient. With the interface drainage tube and the open sputum storage tank of outer discharge of phlegm pipe 6, open the valve 7 of outer discharge of phlegm pipe 6, continue to have the wound to breathe and support, then visible sputum foam and air current follow the endotracheal tube of 1 the vocal cord 4 top in the discharge of phlegm hole 5 flows into the sputum discharging pipe 11 in the endotracheal tube 1 outside of endotracheal tube 1, flow through the valve 7 after, from the interface flow direction drainage tube of outer discharge of phlegm pipe 6, collect the sputum by the sputum storage tank finally.
When sputum in the sputum discharging pipe 11 is sticky and attached to the pipe wall, the tail end 9 of the tracheal catheter 1 can be pulled out from being connected with a breathing machine, a small amount of physiological saline medicine or sterile water for injection is injected into the tracheal catheter 1, and then the tracheal catheter is connected with the breathing machine to continue breathing support. Under the action of positive pressure airflow breathed by the breathing machine. The water or the liquid medicine washes the pipe wall of the sputum discharging pipe 11, so that the washing effect can be realized, and the thin sputum and air flow moves out of the sputum discharging pipe 11, thereby achieving the effect of cleaning the pipe wall of the sputum discharging pipe 11.
The tail end 9 of the tracheal catheter 1 can be connected with a closed sputum suction catheter for intratracheal sputum suction.
Operation of subglottic sputum aspirator tube 10: normal saline or sterilization water for injection is injected from an external interface of the subglottic sputum suction tube 10 to dilute sputum in a gap between the subglottic tracheal catheter 1 and a trachea of a patient, and the sputum is sucked out from the external interface of the sputum suction tube after being diluted.
The air bag inflation tube 8 is a tracheal catheter 1 with a air bag at the front end: after the trachea cannula succeeds, the embedded type catheter with the saccule can establish an effective channel between a breathing machine and a trachea and prevent air from leaking from a crack between the outer wall of the catheter and the inner wall of the trachea during mechanical ventilation, so that the positive pressure ventilation is ensured to be smoothly carried out. When the patient has more mucus in the airway, the air in the saccule can be properly discharged, and the mucus is discharged from the pharyngeal portion of the patient along with positive pressure air flow by utilizing the air leakage function of the crack between the outer wall of the catheter and the inner wall of the trachea during mechanical ventilation.
The design of the utility model has the function of sputum excretion, sputum enters the sputum excretion tube 11 through the sputum excretion hole 5 in the tracheal catheter, and the migration distance in the tracheal catheter 1 body is close to that in the natural state; more meets the fluid mechanics requirement of lung sputum excretion.
The diameter of sputum passing through the sputum discharging hole 5 in the oval tracheal catheter is slightly smaller than the inner diameter of the tracheal catheter 1, and the sputum has a fluid mechanics effect of pressurization acceleration, and is favorable for overcoming the gravity migration of the sputum.
The catheter is of a double-layer composite catheter structure, is directly above the vocal cord line 4 and larger than the dilated trachea, and is beneficial to preventing the trachea from being inserted too deeply in the process of using the tracheal intubation, so that the ventilation of one lung is caused.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. A composite double-layer sputum excretion type tracheal catheter device is characterized by comprising a tracheal catheter, an air bag inflation tube, a subglottic sputum suction tube and a sputum excretion tube; an inflatable air bag is arranged at the position, close to the head end, of the tracheal catheter, a plurality of subglottal sputum suction holes are arranged at the position, close to the head end, of the tracheal catheter, and the subglottal sputum suction holes are located between the inflatable air bag and the head end of the tracheal catheter; the tracheal catheter is provided with a plurality of elliptical sputum discharging holes in the tracheal catheter, and the sputum discharging holes in the tracheal catheter are positioned above the vocal cord line on the tracheal catheter;
the sputum excretion tube is wound on the outer side of the tracheal catheter, two ends of the sputum excretion tube are hermetically connected with the outer wall of the tracheal catheter, and the bottom end of the sputum excretion tube extends to the position below a sputum excretion hole in the tracheal catheter; the sputum excretion tube is communicated with the tracheal catheter through a sputum excretion hole in the tracheal catheter; the top end of the sputum excretion pipe extends out to the side edge at an angle of 30 degrees to form an outer sputum excretion pipe; the outer sputum excretion pipe is connected with a valve;
the tracheal catheter is connected with a subglottic sputum suction tube close to the top end of the sputum discharge tube, the part of the tracheal catheter above the subglottic sputum suction tube is connected with an air bag inflation tube, and the front end of the air bag inflation tube is provided with an air bag.
2. The composite double-layered sputum excretion endotracheal tube device according to claim 1, wherein the inner diameter of the sputum excretion hole in the endotracheal tube is smaller than the inner diameter of the endotracheal tube.
3. The composite double-layer sputum excretion tracheal catheter device according to claim 1 or 2, wherein the number of sputum excretion holes in the tracheal catheter is 3-4.
4. The composite double-layer sputum excretion type tracheal catheter device according to claim 3, wherein the distance between the inner sputum excretion hole and the vocal cord line of the tracheal catheter is 8-12 mm.
5. The composite double-layer sputum excretion tracheal catheter device according to claim 4, wherein the distance from the bottom end of the sputum excretion tube to the vocal cords of the tracheal catheter is 4-6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123007657.5U CN216798433U (en) | 2021-12-01 | 2021-12-01 | Composite double-layer sputum excretion type tracheal catheter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123007657.5U CN216798433U (en) | 2021-12-01 | 2021-12-01 | Composite double-layer sputum excretion type tracheal catheter device |
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| Publication Number | Publication Date |
|---|---|
| CN216798433U true CN216798433U (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123007657.5U Active CN216798433U (en) | 2021-12-01 | 2021-12-01 | Composite double-layer sputum excretion type tracheal catheter device |
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| CN (1) | CN216798433U (en) |
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- 2021-12-01 CN CN202123007657.5U patent/CN216798433U/en active Active
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Effective date of registration: 20220916 Address after: No.10 Tieyi Road, Yangfangdian, Haidian District, Beijing 100089 Patentee after: BEIJING SHIJITAN HOSPITAL, CMU Patentee after: BEIJING AEROSPACE CHANGFENG Co.,Ltd. Address before: No.10 Tieyi Road, Yangfangdian, Haidian District, Beijing 100089 Patentee before: BEIJING SHIJITAN HOSPITAL, CMU |