CN210078522U - Formula of can letting out trachea shutoff type trachea cannula - Google Patents
Formula of can letting out trachea shutoff type trachea cannula Download PDFInfo
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- CN210078522U CN210078522U CN201721855738.1U CN201721855738U CN210078522U CN 210078522 U CN210078522 U CN 210078522U CN 201721855738 U CN201721855738 U CN 201721855738U CN 210078522 U CN210078522 U CN 210078522U
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Abstract
The utility model relates to a bleeder type bronchus plugging type tracheal cannula, one end of a tracheal catheter is connected with a catheter joint, the body of the tracheal catheter is connected with a tracheal cuff, and the body of the tracheal catheter between the tracheal cuff and the tail end of the tracheal catheter is at least provided with two tracheal catheter side holes; the bronchial catheter body is connected with a bronchial catheter blocking cuff, and the tracheal cannula further comprises a suction tube; the tail end of the tracheal catheter extends outwards and gradually contracts to form a bronchial catheter communicated with the suction tube; the front end and the side wall of the bronchial catheter at the far end of the bronchial catheter plugging cuff are provided with suction holes which are communicated with a suction tube; the near end of the suction tube is connected with a suction joint, and the side part of the suction tube is connected with an air release valve. The utility model discloses easily production can be arranged in adult and children's thorax operation to keep apart lung unilung and ventilate, realizes the discharge of residual gas in the shutoff side lung, and clinical operation is simple easy, the damage is little, the complication is few, makes the operation go on smoothly.
Description
Technical Field
The utility model relates to a trachea cannula especially relates to a formula of can letting out trachea shutoff type trachea cannula belongs to medical instrument technical field.
Background
At present, minimally invasive technology is rapidly developed, more and more thoracic cavity operations need unilateral lung ventilation, the unilateral lung ventilation is usually isolated by a double-cavity bronchial catheter, the double-cavity tracheal catheter is thick due to the thick pipe diameter, and particularly for infants, the breathing trachea is thin and thick, so that the thick tracheal catheter cannot be inserted, the operation difficulty is high, and respiratory complications are easily caused. The single-cavity three-sac bronchial cannula is used for realizing both bidirectional ventilation and one-way ventilation, and is provided with an air bag in a bronchial cavity for plugging an inner cavity of a bronchial tube to realize the one-way ventilation besides a tracheal cuff and a bronchial cuff. At present, the inner diameter of the intubation tube is usually larger than 6.5mm and smaller than 6.5mm, and the air bag cannot be arranged in the intubation tube, so that the intubation tube cannot be produced, and finally, the infant patient cannot be used. Still another kind of single chamber double air sac bronchus intubate, the endotracheal tube one side between bronchus cuff and the bronchus cuff is equipped with a endotracheal tube side opening, be equipped with the bronchial tube side opening on the endotracheal tube in the bronchial cuff, be equipped with the elastic membrane on the bronchial tube side opening, the elastic membrane can inwards cave in under the inflated circumstances of bronchial cuff and hug closely endotracheal tube's inner wall, thereby to the inside and outside shutoff bronchus of endotracheal tube, but current product can not be to the thorough shutoff in bronchial tube chamber, can't satisfy clinical needs.
The practice of the bronchus blocking type trachea cannula applied by the applicant at a day shows that the single lung ventilation required for isolating the lung in the thoracic cavity operation of adults and children is realized when the trachea cannula is used, the production and the manufacture are easy, the clinical operation is simple and easy, the complication is less, and the requirement of the single lung ventilation of patients of different ages can be met. But residual gas in the lung at the blocked side cannot be discharged, so that the operation is influenced; and the pulmonary endocrine and surgical blood loss on the side of the occlusion can not be eliminated. Further improvements are therefore desirable.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists, provide a can let out gas formula bronchus shutoff type trachea cannula, can not only be used for keeping apart the required single lung of lung and ventilate in adult and children's thorax operation, easily production manufacturing, clinical operation is simple easy, the complication is few, can satisfy different age bracket patient single lung demand of ventilating moreover. Meanwhile, the device can also realize the discharge of residual gas in the side lung during the use process, so that the operation is smoothly carried out.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a kind of bleeder bronchus blocks the type trachea cannula, the said trachea cannula includes the endotracheal tube, one end of the said endotracheal tube connects with the pipe joint, the body of the endotracheal tube connects with the tracheal cuff, the body of the endotracheal tube between said tracheal cuff and said endotracheal tube end has two endotracheal tube side openings at least; the bronchial catheter body is connected with a bronchial catheter blocking cuff, and the tracheal cannula further comprises a suction tube; the tail end of the tracheal catheter extends outwards and is gradually contracted to form a bronchial catheter communicated with the suction tube; the front end and the side wall of the bronchial catheter at the far end of the bronchial catheter blocking cuff are provided with suction holes, and the suction holes are communicated with the suction tube; the near end of the suction tube is connected with a suction joint, and the side part of the suction tube is connected with an air release valve.
The deflatable bronchial blocking type tracheal cannula comprises a tracheal cuff, a first inflation tube and a second inflation assembly, wherein the tracheal cuff is connected with the first inflation tube; the bronchial catheter plugging cuff is connected with a second inflation tube, and a second inflation assembly is arranged on the second inflation tube; the inflation assembly comprises a valve body and a pressure display ball which are connected in sequence. The first inflation assembly inflates the tracheal cuff through the first inflation tube, and the second inflation assembly inflates the bronchial catheter blocking cuff through the second inflation tube. Inflation assembly belongs to prior art.
According to the above air-release type bronchial occlusion type tracheal cannula, the suction tube, the first inflation tube and the second inflation tube respectively penetrate through the tube wall of the tracheal catheter, and the suction tube, the first inflation tube and the second inflation tube are adjacently or oppositely arranged; the orientation of the suction tube is the same as the orientation of the bronchial catheter. The suction tube, the first inflation tube and the second inflation tube are distributed in the tube wall of the tracheal catheter, so that the suction tube, the first inflation tube and the second inflation tube are reasonably distributed. Meanwhile, the orientation of the bronchial catheter is directly judged through the orientation of the suction tube, and the orientation mark of the bronchial catheter does not need to be added.
The first inflation tube and the second inflation tube respectively penetrate through the tube wall of the tracheal catheter, the suction tube is arranged on the inner side of the tube wall of the tracheal catheter, and the suction tube is connected with the tube wall of the tracheal catheter; the orientation of the suction tube is the same as the orientation of the bronchial catheter. The suction tube can also be attached to the inner side of the tube wall of the tracheal catheter, so that the reasonable layout of the suction tube, the first inflation tube and the second inflation tube is realized. Meanwhile, the orientation of the bronchial catheter is directly judged through the orientation of the suction tube, and the orientation mark of the bronchial catheter does not need to be added.
According to the air-release type bronchial plugging type tracheal cannula, the tracheal catheter body is provided with the tracheal catheter scale marks and the bronchial catheter scale marks, the scales of the tracheal catheter scale marks start from the tracheal catheter side hole at the far end, and the scales of the bronchial catheter scale marks start from the far end of the bronchial catheter. The position of the tracheal catheter hole at the far end in the trachea can be known through the scale marks of the tracheal catheter; the distance from the tail end of the bronchial catheter to the incisors can be known through the scale marks of the bronchial catheter.
According to the air release type bronchial blocking type tracheal cannula, the tracheal catheter body is provided with the tube number aperture mark, and the tube number aperture mark is located at the near end of the tracheal catheter body. Can meet the use requirements of patients of different ages.
The air-release type bronchial blocking type tracheal cannula has the advantages that the inner diameter of the tracheal catheter is 3.0-10.0 mm; the tracheal catheter side hole is circular, oval or n-sided, n is an integer greater than or equal to 3, and the edge of the side hole is a straight line or a curve.
According to the air-release type bronchial blocking type tracheal cannula, the tracheal catheter is in a straight tube shape, a 20-50-degree folded angle is formed between the tracheal catheter and the bronchial catheter, and the tracheal catheter is in smooth transition connection with the bronchial catheter.
When the number of the tracheal intubation is 5.0 or below, the tracheal intubation adopts a structure without a tracheal cuff or with the tracheal cuff; when the number of the tracheal cannula is more than 5.0, the tracheal cannula adopts a tracheal cuff structure. Because the narrowest part of the air passage of the child under the age of 6 is not the glottis but the cricoid cartilage below the glottis, the position of the tracheal cuff of the utility model is moved upwards, and the upper edge of the tracheal cuff is positioned slightly below the cricoid cartilage. The tube number calculation mode of the child trachea cannula is as follows: the pipe number (pipe internal diameter mm) ═ age/4 +4.0, works as the utility model is used for neonate and infant's (0-3 years old) trachea cannula, and when the pipe number was 5.0 and below promptly, can adopt the design of no trachea cannula cuff, also can adopt the structure that has trachea cuff through changing the size of trachea cuff certainly.
The air-release type bronchial blocking type tracheal cannula is characterized in that the wall of the tracheal cannula is provided with a reinforcing steel wire or no reinforcing steel wire. The reinforced steel wire has the function of increasing the structural strength of the tracheal cannula wall, and two styles of reinforced steel wire or non-reinforced steel wire can be designed according to requirements.
The utility model has the advantages that: the trachea cannula of the utility model also comprises a suction tube; the tail end of the tracheal catheter extends outwards and gradually contracts to form a bronchial catheter communicated with the suction tube; the tail end of the bronchial catheter is provided with a suction hole which is communicated with the suction tube; the front end of the suction tube is connected with a suction joint, and the side part of the suction tube is connected with an air release valve. The single lung ventilation device can be used for single lung ventilation required by isolating lungs in thoracic cavity operations of adults and children, is easy to produce and manufacture, is simple and easy to clinically operate, has few complications, and can meet the single lung ventilation requirements of patients of different ages. Meanwhile, the device can also realize the discharge of residual gas in the side lung during the use process, so that the operation is smoothly carried out.
Drawings
FIG. 1 is a schematic view of a vented bronchial occlusion endotracheal tube;
FIG. 2 is a schematic view of a ventable broncho-occlusive endotracheal tube without a tracheal cuff;
FIG. 3 is a schematic view of a ventable bronchial occlusion endotracheal tube with a reinforcing steel wire;
FIG. 4 is a schematic cross-sectional view of an endotracheal tube of an exemplary vented broncho-occlusive endotracheal tube;
FIG. 5 is a schematic cross-sectional view of an endotracheal tube of an exemplary vented broncho-occlusive endotracheal tube;
fig. 6 is a schematic cross-sectional view of an endotracheal tube of an embodiment of a ventable bronchial occlusion endotracheal tube.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the tracheal cannula comprises a tracheal catheter 1, wherein one end of the tracheal catheter 1 is connected with a catheter joint 2, the body of the tracheal catheter 1 is connected with a tracheal cuff 3, and the body of the tracheal catheter 1 between the tracheal cuff 3 and the tail end of the tracheal catheter 1 is at least provided with two tracheal catheter side holes 4; the body of the bronchial catheter 7 is connected with a bronchial catheter blocking cuff 5, and the tracheal cannula further comprises a suction tube 6; the tail end of the tracheal catheter 1 extends outwards and gradually contracts to form a bronchial catheter 7 communicated with the suction tube 6; the front end and the side wall of a bronchial catheter 7 at the far end of the bronchial catheter blocking cuff 5 are provided with suction holes 8, and the suction holes 8 are communicated with the suction tube 6; the near end of the suction tube 6 is connected with a suction joint 9, and the side of the suction tube 6 is connected with an air escape valve 10.
In one embodiment of the ventable bronchial occlusion type tracheal cannula, the tracheal cuff 3 is connected with a first inflation tube 11, and a first inflation assembly 12 is arranged on the first inflation tube 11; the bronchial catheter plugging cuff 5 is connected with a second inflation tube 13, and a second inflation assembly 14 is arranged on the second inflation tube 13; the inflation assembly comprises a valve body and a pressure display ball which are connected in sequence. The first inflation assembly 12 inflates the tracheal cuff 3 through the first inflation tube 11, and the second inflation assembly 14 inflates the bronchial catheter occlusion cuff 5 through the second inflation tube 13. Inflation assembly belongs to prior art.
Referring to fig. 4, in an embodiment of the ventable bronchial occlusion endotracheal tube, the suction tube 6, the first inflation tube 11, and the second inflation tube 13 respectively penetrate through the tube wall of the endotracheal tube 1, and the suction tube 6, the first inflation tube 11, and the second inflation tube 13 are disposed adjacently or oppositely; the orientation of the suction tube 6 is the same as the orientation of the bronchial tube 7. The suction tube 6, the first inflation tube 11 and the second inflation tube 13 are distributed in the tube wall of the endotracheal tube 1, so that the suction tube 6, the first inflation tube 11 and the second inflation tube 13 are reasonably distributed. Meanwhile, the orientation of the bronchial catheter 7 is judged directly through the orientation of the suction tube 6, and the orientation mark of the bronchial catheter 7 does not need to be added.
Referring to fig. 5 and 6, in an embodiment of the ventable bronchial occlusion endotracheal tube, the first inflation tube 11 and the second inflation tube 13 respectively penetrate through the tube wall of the endotracheal tube 1, the suction tube 6 is disposed inside the tube wall of the endotracheal tube 1, and the suction tube 6 is connected to the tube wall of the endotracheal tube 1; the orientation of the suction tube 6 is the same as the orientation of the bronchial tube 7. The suction tubes 6 can also be distributed on the inner side of the tube wall of the tracheal catheter 1, so that the reasonable layout of the suction tubes 6, the first inflation tubes 11 and the second inflation tubes 13 is realized. The suction tube 6 can be designed into a circular shape or an oval shape as required, and the orientation of the bronchial tube 7 can be judged directly through the orientation of the suction tube 6 without adding the orientation mark of the bronchial tube 7.
It should be further noted that, in the suction tube 6, the first inflation tube 11 and the second inflation tube 13 can be closer to one end of the conduit joint 2, and the suction tube 6 is located in the area below the first inflation tube 11 and the second inflation tube 13, and at the same time, the suction tube 6 can be designed to be closer to one end of the conduit joint 2, and the first inflation tube 11 and the second inflation tube 13 are located in the area below the suction tube 6.
In an embodiment of the ventable bronchial occlusion type endotracheal tube, the body of the endotracheal tube 1 is provided with endotracheal tube scale marks and bronchial tube scale marks, the scale of the endotracheal tube scale marks starts from the endotracheal tube side hole 4 at the distal end, and the scale of the bronchial tube scale marks starts from the distal end of the bronchial tube 7. The position of the hole of the tracheal catheter 1 at the far end in the trachea can be known through the scale marks of the tracheal catheter; the distance from the tail end of the bronchial catheter 7 to the incisors can be known through the scale marks of the bronchial catheter.
In an embodiment of the ventable bronchial occlusion endotracheal tube, the tube body of the endotracheal tube 1 is provided with a tube number aperture mark, and the tube number aperture mark is located at the proximal end of the tube body of the endotracheal tube 1. Can meet the use requirements of patients of different ages.
In one embodiment of the ventable bronchial occlusion type tracheal cannula, the inner diameter of the tracheal catheter 1 is 3.0-10.0 mm; the side hole 4 of the tracheal catheter is circular, oval or n-sided, n is an integer more than or equal to 3, and the edge of the side hole is a straight line or a curve.
In an embodiment of the ventable bronchial occlusion endotracheal tube, the endotracheal tube 1 is in a straight tube shape, a 20-50 degree folded angle is arranged between the endotracheal tube 1 and the bronchial tube 7, and the endotracheal tube 1 and the bronchial tube 7 are in smooth transition connection.
Referring to fig. 2, in an embodiment of the ventable bronchial occlusion type endotracheal tube, when the tube number of the endotracheal tube is 5.0 or less, the endotracheal tube adopts a structure without the tracheal cuff 3 or with the tracheal cuff 3; when the number of the tracheal cannula is more than 5.0, the tracheal cannula adopts a structure with a tracheal cuff 3. Because the narrowest part of the air passage of the child under the age of 6 is not the glottis but the cricoid cartilage below the glottis, the position of the tracheal cuff 3 of the utility model is moved upwards, and the upper edge of the tracheal cuff is positioned slightly below the cricoid cartilage. The tube number calculation mode of the child trachea cannula is as follows: the pipe number (pipe internal diameter mm) ═ age/4 +4.0, when the utility model is used for the trachea cannula of neonate and infant (0-3 years old), when the pipe number is 5.0 and below promptly, can adopt no trachea cuff 3 design, of course also can adopt the structure that has trachea cuff 3 through changing the size of trachea cuff 3.
Referring to fig. 3, in one embodiment of the ventable bronchial occlusion type endotracheal tube, the wall of the endotracheal tube is provided with reinforcing steel wires 15 or without reinforcing steel wires 15. The reinforced steel wire 15 plays a role in increasing the structural strength of the tracheal cannula wall, and two styles of reinforced steel wires 15 or non-reinforced steel wires 15 can be designed according to requirements.
The trachea cannula of the utility model also comprises a suction tube 6; the tail end of the tracheal catheter 1 extends outwards and gradually contracts to form a bronchial catheter 7 communicated with the suction tube 6; the tail end of the bronchial catheter 7 is provided with a suction hole 8, and the suction hole 8 is communicated with the suction tube 6; the front end of the suction tube 6 is connected with a suction joint 9, and the side part of the suction tube 6 is connected with an air escape valve 10. The utility model is suitable for a unilateral lung among the thoracic operation ventilates to the intubate that is equipped with trachea cover bag 3 and bronchial tube shutoff cover bag 5 is the example, during the use, at first inserts the trachea with trachea cannula through the glottis, according to the orientation guide of attracting pipe 6, inserts bronchial tube 7 in the bronchus that needs the shutoff side. The bronchus 7 can be observed to enter the bronchus after the bronchus is inserted into the fiber bronchoscope through the tracheal catheter 1 to reach the farthest end hole, the second inflation assembly 14 is utilized to inflate the bronchus blocking cuff 5 through the second inflation tube 13, the blocking situation of the bronchus can be observed, and the position can be adjusted as required. The tracheal cuff 3 is then inflated through the first inflation tube 11 using the first inflation assembly 12 to seal the lumen of the trachea. The utility model makes the position of the tracheal cuff 3 move upwards, the upper edge of the tracheal cuff is positioned at the position slightly below the cricoid cartilage, on one hand, enough holes can be ensured to be opened below the tracheal cuff 3 for ventilation, and on the other hand, the backflow is effectively prevented to enter the lung to cause infection. When the single lung is ventilated in the operation, gas enters the lung at the other side through the tracheal catheter 1 and the tracheal catheter side hole 4, and the lung at the operation side is blocked, and meanwhile, residual gas in the lung at the blocking side is discharged through the suction hole 8, the suction tube 6 and the suction connector 9, so that the effective oxygen supply of a human body and the successful operation are ensured. The single lung ventilation device can be used for single lung ventilation required by isolating lungs in thoracic cavity operations of adults and children, is easy to produce and manufacture, is simple and easy to clinically operate, has few complications, and can meet the single lung ventilation requirements of patients of different ages. Meanwhile, the device can also realize the discharge of residual gas in the side lung during the use process, so that the operation is smoothly carried out.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A kind of bleeder bronchus blocks the type trachea cannula, the said trachea cannula includes the endotracheal tube, one end of the said endotracheal tube connects with the pipe joint, the body of the endotracheal tube connects with the tracheal cuff, the body of the endotracheal tube between said tracheal cuff and said endotracheal tube end has two endotracheal tube side openings at least; the bronchial catheter body is connected with bronchial catheter shutoff cuff, its characterized in that: the trachea cannula also comprises a suction tube; the tail end of the tracheal catheter extends outwards and is gradually contracted to form a bronchial catheter communicated with the suction tube; the front end and the side wall of the bronchial catheter at the far end of the bronchial catheter blocking cuff are provided with suction holes, and the suction holes are communicated with the suction tube; the near end of the suction tube is connected with a suction joint, and the side part of the suction tube is connected with an air release valve.
2. The vented bronchial occlusion endotracheal tube according to claim 1, characterized in that: the tracheal cuff is connected with a first inflation tube, and a first inflation assembly is arranged on the first inflation tube; the bronchial catheter plugging cuff is connected with a second inflation tube, and a second inflation assembly is arranged on the second inflation tube; the inflation assembly comprises a valve body and a pressure display ball which are connected in sequence.
3. A ventable bronchial occlusion endotracheal tube according to claim 2, characterized in that: the suction tube, the first inflation tube and the second inflation tube respectively penetrate through the tube wall of the tracheal catheter, and the suction tube, the first inflation tube and the second inflation tube are arranged adjacently or oppositely; the orientation of the suction tube is the same as the orientation of the bronchial catheter.
4. A ventable bronchial occlusion endotracheal tube according to claim 2, characterized in that: the first inflation tube and the second inflation tube respectively penetrate through the tube wall of the tracheal catheter, the suction tube is arranged on the inner side of the tube wall of the tracheal catheter, and the suction tube is connected with the tube wall of the tracheal catheter; the orientation of the suction tube is the same as the orientation of the bronchial catheter.
5. The vented bronchial occlusion endotracheal tube according to claim 1, characterized in that: the endotracheal tube pipe shaft is equipped with endotracheal tube scale mark and bronchial tube scale mark, the scale of endotracheal tube scale mark begins at the endotracheal tube side opening of distal end, the scale of bronchial tube scale mark begins at the endotracheal tube distal end.
6. The vented bronchial occlusion endotracheal tube according to claim 1, characterized in that: the endotracheal tube shaft is equipped with pipe number aperture sign, pipe number aperture sign is located endotracheal tube shaft near-end.
7. The vented bronchial occlusion endotracheal tube according to claim 1, characterized in that: the inner diameter of the tracheal catheter is 3.0-10.0 mm; the tracheal catheter side hole is circular, oval or n-sided, n is an integer greater than or equal to 3, and the edge of the side hole is a straight line or a curve.
8. The vented bronchial occlusion endotracheal tube according to claim 1, characterized in that: the tracheal catheter is in a straight tube shape, a 20-50-degree folded angle is arranged between the tracheal catheter and the bronchial catheter, and the tracheal catheter is in smooth transition connection with the bronchial catheter.
9. The vented bronchial occlusion endotracheal tube according to claim 1, characterized in that: when the number of the tracheal intubation is 5.0 or below, the tracheal intubation adopts a structure without a tracheal cuff or with a tracheal cuff; when the number of the tracheal cannula is more than 5.0, the tracheal cannula adopts a tracheal cuff structure.
10. The vented bronchial occlusion endotracheal tube according to claim 1, characterized in that: the tube wall of the trachea cannula is provided with a reinforced steel wire or a non-reinforced steel wire.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721855738.1U CN210078522U (en) | 2017-12-26 | 2017-12-26 | Formula of can letting out trachea shutoff type trachea cannula |
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| CN201721855738.1U CN210078522U (en) | 2017-12-26 | 2017-12-26 | Formula of can letting out trachea shutoff type trachea cannula |
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| CN210078522U true CN210078522U (en) | 2020-02-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437483A (en) * | 2020-04-02 | 2020-07-24 | 无锡圣诺亚科技有限公司 | Single-cavity single-sac tracheal catheter capable of conveniently implementing single-lung and double-lung ventilation |
| CN115581838A (en) * | 2022-11-11 | 2023-01-10 | 中国医学科学院阜外医院 | Tracheal unilateral tracheal catheter |
-
2017
- 2017-12-26 CN CN201721855738.1U patent/CN210078522U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437483A (en) * | 2020-04-02 | 2020-07-24 | 无锡圣诺亚科技有限公司 | Single-cavity single-sac tracheal catheter capable of conveniently implementing single-lung and double-lung ventilation |
| CN111437483B (en) * | 2020-04-02 | 2022-11-29 | 无锡市人民医院 | Single-cavity single-sac tracheal catheter capable of conveniently implementing single-lung and double-lung ventilation |
| CN115581838A (en) * | 2022-11-11 | 2023-01-10 | 中国医学科学院阜外医院 | Tracheal unilateral tracheal catheter |
| CN115581838B (en) * | 2022-11-11 | 2023-10-24 | 中国医学科学院阜外医院 | Tracheal unilateral bronchial catheter |
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