CN202478356U - Single-lumen type bronchial catheter - Google Patents
Single-lumen type bronchial catheter Download PDFInfo
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- CN202478356U CN202478356U CN 201220028958 CN201220028958U CN202478356U CN 202478356 U CN202478356 U CN 202478356U CN 201220028958 CN201220028958 CN 201220028958 CN 201220028958 U CN201220028958 U CN 201220028958U CN 202478356 U CN202478356 U CN 202478356U
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Abstract
The utility model relates to a single-lumen type bronchial catheter which comprises a left catheter (1) and a right catheter (2) and is characterized in that the left catheter (1) and the right catheter (2) are bronchial catheters with single-lumen structures, a right main bronchus opening (1-3) matched with the right catheter (2) is arranged in the left catheter (1), a left main bronchus opening (2-3) matched with the left catheter (1) is arranged in the right catheter (2), the right main bronchus opening (1-3) is arranged in the lower part of the left catheter (1), the part of the right main bronchus opening (1-3), above the left catheter (1), is a left catheter main pipe (1-1) with single lumen, the part of the right main bronchus opening (1-3), below the left catheter (1), is a left catheter branch pipe (1-2) with single lumen; and the left main bronchus opening (2-3) is arranged at the lower part of the right catheter (2), the part of the left main bronchus opening (2-3), above the right catheter (2), is a right catheter main pipe (2-1), and the part of the left main bronchus opening (2-3), below the right catheter (2), is a right catheter branch pipe (2-2) communicated with the right catheter main pipe (2-1). The single-lumen type bronchial catheter can be used for a child or patient suffering from various of tracheostenosis, and is suitable for nasal or oral trachea cannula.
Description
Technical field:
This utility model relates to a kind of novel bronchial catheter, particularly relates to a kind of single chamber type bronchial catheter.Belong to the medical apparatus technical field.
Background technology:
When being thoracic surgery anesthesia, guarantees the lung isolation technology important component part that patient safety and operation are carried out smoothly.There are three kinds of technology implementation lungs to isolate at present, comprise double lumen tube, bronchus obstruction pipe and bronchial catheter.Double lumen tube is not suitable for children's because caliber is thicker, or the tracheal stenosis sexually transmitted disease (STD) becomes or trachea intracavity outthrust patient.Though stopping up pipe, bronchus can be used for inserting single lumen catheter, slower when implementing the operation side pulmonary collapse because tube chamber is thinner, and attract secretions and gas effect not ideal, cause tube chamber to stop up easily.Use traditional bronchial catheter or single lumen catheter to insert a side pulmonary branches trachea and can be used for one-lung ventilation, but can't do to attract and the conversion ventilation, convert very difficulty of two pulmonary ventilation to the opposite side lung.
The utility model content:
The purpose of this utility model; Be to be used for one-lung ventilation in order to solve the existence of bronchial catheter of the prior art or single lumen catheter; Can't do to attract and the conversion ventilation to the opposite side lung, convert the very problem of difficulty of two pulmonary ventilation to, a kind of single chamber type bronchial catheter is provided.
The purpose of this utility model can reach through taking following technical scheme:
A kind of single chamber type bronchial catheter comprises left conduit and right conduit, and its construction features is:
1) left conduit and right conduit respectively are the bronchial catheter of single cavity configuration, in left conduit, are provided with the right principal bronchus opening that is used with right conduit, and be corresponding with it, in right conduit, is provided with the left principal bronchus opening that is used with left conduit;
2) said right principal bronchus opening is arranged on the bottom of left conduit, is the boundary with the right principal bronchus opening, is to be responsible for, to be the left conduit arm that is communicated with the left conduit person in charge with the lower part with the left conduit in single chamber with top; The caliber of left side conduit arm is thinner; In left conduit, be provided with a left side and attach wall cover capsule, this left side attaches the inwall that wall cover capsule is positioned at left conduit arm; A said left side attaches wall cover capsule and is connected with a unidirectional charge valve through a gas tube; Said unidirectional charge valve is positioned at the top of left conduit;
3) said left principal bronchus opening is arranged on the bottom of right conduit, is the boundary with the left principal bronchus opening, is to be responsible for, to be the right conduit arm that is communicated with the right conduit person in charge with the lower part with the right conduit in single chamber with top; The caliber of right conduit arm is thinner; Hypomere at right conduit is provided with upper right lobe of the lung opening; In right conduit, be provided with a right side and attach wall cover capsule, this right side attaches the inwall that wall cover capsule is positioned at right conduit arm; The said right side attaches wall cover capsule and is connected with a unidirectional charge valve through a gas tube; Said unidirectional charge valve is positioned at the top of right conduit.
When a left side attached the unaerated of wall cover capsule, this left side attached wall cover capsule and is close to left conduit branch pipe wall, can prop up tube cavity by the left conduit below the complete closed right principal bronchus opening after the inflation.When the right side attached the unaerated of wall cover capsule, this right side attached wall cover capsule and is close to right bronchial branches inside pipe wall, the inner chamber of the right conduit arm after the inflation below the ability complete closed left principal bronchus opening.
The purpose of this utility model can also reach through taking following technical scheme:
Further Technological improvement plan is: the left conduit structure that can be formed in one, right principal bronchus opening are arranged on following 1/3 section of left conduit and locate, and the part caliber below the right principal bronchus opening attenuates, forms left conduit arm; On the outer wall of left main pipe, be provided with one first tracheal tampon, this tracheal tampon is positioned at the top of right principal bronchus opening; Prop up on a left side and to be provided with one second tracheal tampon on the outer wall that is positioned near the position right principal bronchus opening on the conduit; Prop up on a left side and to be provided with one on the inwall that is positioned near the position right principal bronchus opening on the conduit and to attach wall cover capsule; Prop up on a left side and on the outer wall between second tracheal tampon and the bronchus opening, to be provided with one the 3rd tracheal tampon on the conduit; Said first tracheal tampon, second tracheal tampon, attach wall cover capsule and be connected with an inflating catheter respectively with the 3rd tracheal tampon.
Further Technological improvement plan is: the right conduit structure that can be formed in one, left principal bronchus opening are located at following 1/3 section of right conduit and locate, and the part caliber below the left principal bronchus opening attenuates, forms right conduit arm; The hypomere of right conduit is provided with upper right lobe of the lung opening; Establish three right cover capsules at the outer wall of right conduit; One of right cover capsule is positioned at the stage casing of right conduit, more than the left principal bronchus opening, is right tracheal tampon; Two of right cover capsule is positioned at place below the left principal bronchus opening, is equivalent on the knuckle, is the right trachea second cover capsule; Three of right cover capsule is positioned near the upper right lobe of the lung opening of right conduit arm, is right bronchial cuff; In right conduit, be provided with a right side and attach wall cover capsule, this right side attaches the inwall that wall cover capsule is positioned at right conduit arm; Said three right cover capsules attach wall cover capsule with the right side and respectively are connected with a unidirectional charge valve through a gas tube; Said unidirectional charge valve is positioned at the top of right conduit.
Further Technological improvement plan is: right bronchial catheter can comprise the right main pipe with single chamber, a right conduit, and an end of a right conduit is communicated with right main pipe, the other end is provided with the bronchus opening; The caliber of a right conduit is provided with the left principal bronchus opening less than the caliber of right main pipe in right main pipe and right junction of propping up conduit; Prop up on the right side on the far-end sidewall of conduit and be provided with upper right lobe of the lung opening; On the outer wall of right main pipe, be provided with one first tracheal tampon, this tracheal tampon is positioned at the top of left principal bronchus opening; Prop up on the right side and to be provided with one second tracheal tampon on the outer wall that is positioned near the position left principal bronchus opening on the conduit; Prop up on the right side and to be provided with one on the inwall that is positioned near the position left principal bronchus opening on the conduit and to attach wall cover capsule; Prop up on the conduit on the right side and on the outer wall between second tracheal tampon and the upper right lobe of the lung opening, to be provided with one the 3rd tracheal tampon; Said first tracheal tampon, second tracheal tampon, attach wall cover capsule and be connected with an inflating catheter respectively with the 3rd tracheal tampon.
Further Technological improvement plan is: the length overall of described left bronchus conduit is 200～500 millimeters; Left side main pipe internal diameter is 2～10 millimeters, 1.0～2.0 millimeters of pipe thicknesses.
Further Technological improvement plan is: the length overall of described right bronchial catheter is 200～500 millimeters; Right main pipe internal diameter is 2～10 millimeters, 1.0～2.0 millimeters of pipe thicknesses.
Further Technological improvement plan is: each inflating catheter is arranged in respectively in the pipe of left bronchus conduit (1) or right bronchial catheter, and every inflating catheter passes tube wall respectively and is connected with an outside unidirectional charge valve.
The beneficial effect of this utility model:
1, the described novel bronchial catheter of this utility model can implement simply that lung is isolated and two pulmonary ventilation conversion, and homonymy lung is not done to attract processing ease, has advantage simple in structure, easy to operate.The patient who can be used for children's or various tracheal stenosises also can be used for per nasal or oral trachea cannula.
2, this utility model both can be used for the patient of children's or various tracheal stenosises, also can be used for per nasal or oral trachea cannula, can implement simply that lung is isolated and two pulmonary ventilation conversion, and homonymy lung is not made to attract processing ease.
Description of drawings:
Fig. 1 is the structural representation of the left bronchus conduit of this utility model.
Fig. 2 is the structural representation of the right bronchial catheter of this utility model.
Fig. 3 gets the A-A generalized section among Fig. 2.
The specific embodiment:
Specific embodiment:
With reference to Fig. 1, Fig. 2 and Fig. 3; Present embodiment comprises left conduit 1 and right conduit 2; Left side conduit 1 respectively is the bronchial catheter of single cavity configuration with right conduit 2; In left conduit 1, be provided with the right principal bronchus opening 1-3 that is used with right conduit 2, corresponding with it, in right conduit 1, be provided with the left principal bronchus opening 2-3 that is used with left conduit 2; Said right principal bronchus opening 1-3 is arranged on the bottom of left conduit 1, is the boundary with right principal bronchus opening 1-3, is to be responsible for 1-1, to be the left conduit arm 1-2 that is communicated with left conduit person in charge 1-1 with the lower part with the left conduit in single chamber with top; The caliber of left side conduit arm 1-2 is thinner; In left conduit 1, be provided with a left side and attach wall cover capsule 5-1, this left side attaches the inwall that wall cover capsule 5-1 is positioned at left conduit arm 1-2; A said left side attaches wall cover capsule 5-1 and is connected with a unidirectional charge valve through a gas tube 7-1; Said unidirectional charge valve is positioned at the top of left conduit 1; Said left principal bronchus opening 2-3 is arranged on the bottom of right conduit 2, is the boundary with left principal bronchus opening 2-3, is to be responsible for 2-1, to be the right conduit arm 2-2 that is communicated with right conduit person in charge 2-1 with the lower part with the right conduit in single chamber with top; The caliber of right conduit arm 2-2 is thinner; Hypomere at right conduit 2 is provided with upper right lobe of the lung opening 2-5; In right conduit 2, be provided with a right side and attach wall cover capsule 5-2, this right side attaches the inwall that wall cover capsule 5-2 is positioned at right conduit arm; The said right side attaches wall cover capsule 5-2 and is connected with a unidirectional charge valve through a gas tube; Said unidirectional charge valve is positioned at the top of right conduit 2.
With reference to Fig. 1, left conduit 1 structure that is formed in one, right principal bronchus opening 1-3 is arranged on following 1/3 section of left conduit 1, and the part caliber below right principal bronchus opening 1-3 attenuates, forms left conduit arm 1-2.Left bronchus conduit 1 comprises left main pipe 1-1, the left side conduit 1-2 with single chamber, and the end of a left side conduit 1-2 is communicated with left main pipe 1-1, the other end is provided with bronchus opening 1-4; The caliber of a left side conduit 1-2 is provided with right principal bronchus opening 1-3 at left main pipe 1-1 with left junction of propping up conduit 1-2 less than the caliber of left main pipe 1-1; On the outer wall of left main pipe 1-1, be provided with one first tracheal tampon 3, this tracheal tampon 3 is positioned at the top of right principal bronchus opening 1-3; Prop up on a left side and to be provided with one second tracheal tampon 4 on the outer wall that is positioned near the position right principal bronchus opening 1-3 on the conduit 1-2; Prop up on a left side and to be provided with one on the inwall that is positioned near the position right principal bronchus opening 1-3 on the conduit 1-2 and to attach wall cover capsule 5; Prop up on the conduit 1-2 on a left side and on the outer wall between second tracheal tampon 4 and the bronchus opening 1-4, to be provided with one the 3rd tracheal tampon 6; Said first tracheal tampon 3, second tracheal tampon 4, attach wall cover capsule 5 and be connected with an inflating catheter 7 respectively with the 3rd tracheal tampon 6;
With reference to Fig. 2, right conduit 2 structure that is formed in one, left principal bronchus opening 2-3 is located at following 1/3 section of right conduit 2 and locates, and the part caliber below left principal bronchus opening 2-3 attenuates, forms right conduit arm 2-2; The hypomere of right conduit 2 is provided with upper right lobe of the lung opening; Right bronchial catheter 2 comprises the right main pipe 2-1 with single chamber, a right conduit 2-2, and the end of a right conduit 2-2 is communicated with right main pipe 2-1, the other end is provided with bronchus opening 2-4; The caliber of a right conduit 1-2 is provided with left principal bronchus opening 2-3 at right main pipe 2-1 with right junction of propping up conduit 2-2 less than the caliber of right main pipe 2-1; Prop up on the right side on the far-end sidewall of conduit 2-2 and be provided with upper right lobe of the lung opening 2-5; On the outer wall of right main pipe 2-1, be provided with one first tracheal tampon 3, this tracheal tampon 3 is positioned at left principal bronchus opening 2-3 top; Prop up on the right side and to be provided with one second tracheal tampon 4 on the outer wall that is positioned near the position left principal bronchus opening 2-3 on the conduit 2-2; Prop up on the right side and to be provided with one on the inwall that is positioned near the position left principal bronchus opening 2-3 on the conduit 2-2 and to attach wall cover capsule 5; Prop up on the conduit 2-2 on the right side and on the outer wall between second tracheal tampon 3 and the upper right lobe of the lung opening 2-5, to be provided with one the 3rd tracheal tampon 6; Said first tracheal tampon 3, second tracheal tampon 4, attach wall cover capsule 5 and be connected with an inflating catheter 7 respectively with the 3rd tracheal tampon 6.
In the present embodiment, when attaching 5 unaerateds of wall cover capsule, the cover capsule is close to inner bronchial wall, the inner chamber of the bronchial catheter after the inflation below the ability complete closed bronchus opening.Four cover capsules are connected to the pipe upper end with four inflating catheters 7 respectively, are connected with four unidirectional charge valves.Gas tube is located at diverse location in the tube wall.The length overall of left bronchus conduit 1 is 200～500 millimeters; Left side main pipe 1-1 internal diameter is 2～10 millimeters, 1.0～2.0 millimeters of pipe thicknesses.The length overall of right bronchial catheter 2 is 200～500 millimeters; Right main pipe 2-1 internal diameter is 2～10 millimeters, 1.0～2.0 millimeters of pipe thicknesses.Each inflating catheter 7 is arranged in respectively in the pipe of left bronchus conduit 1 or right bronchial catheter 2, and every inflating catheter passes tube wall respectively and is connected with an outside unidirectional charge valve.The internal diameter of inflating catheter 2 is 0.1～1 millimeter in the tube wall, 0.5～2 millimeter of the outer gas tube internal diameter of tube wall.
This utility model is in implementation process, and only filling first tracheal tampon 3 just can two pulmonary ventilation.When this utility model adopts left side pipe to implement lung to isolate,, just can implement left lung one-lung ventilation with first tracheal tampon 3, second tracheal tampon 4,6 inflations of the 3rd tracheal tampon; With first tracheal tampon 3, attach wall cover capsule 5,6 inflations of the 3rd tracheal tampon, just can implement the right lung one-lung ventilation.When this utility model adopts right pipe to implement lung to isolate,, just can implement the right lung one-lung ventilation with first tracheal tampon 3, second tracheal tampon 4,6 inflations of the 3rd tracheal tampon; With first tracheal tampon 3, attach wall cover capsule 5,6 inflations of the 3rd tracheal tampon, just can implement left lung one-lung ventilation.
In the practical application, when attaching the unaerated of wall cover capsule, the cover capsule is close to inner bronchial wall, the inner chamber of the bronchial catheter after the inflation below the ability complete closed bronchus opening.Four cover capsules are connected to the pipe upper end with four inflating catheters respectively, are connected with four unidirectional charge valves.Gas tube is located at diverse location in the tube wall.
The above; Be merely the preferable specific embodiment of this utility model; But the protection domain of this utility model is not limited thereto; Any technical staff who is familiar with the present technique field is equal to replacement or changes according to the technical scheme of this utility model and utility model design thereof in the scope that this utility model discloses, and all belongs to the protection domain of this utility model.
Claims (7)
1. single chamber type bronchial catheter comprises left conduit (1) and right conduit (2), it is characterized in that:
1) left conduit (1) and right conduit (2) are the bronchial catheter of single cavity configuration; In left conduit (1), be provided with the right principal bronchus opening (1-3) that is used with right conduit (2), in right conduit (1), be provided with the left principal bronchus opening (2-3) that is used with left conduit (2);
2) said right principal bronchus opening (1-3) is arranged on the bottom of left conduit (1), is the boundary with right principal bronchus opening (1-3), is to be responsible for (1-1), to be the left conduit arm (1-2) that is communicated with the left conduit person in charge (1-1) with the lower part with the left conduit in single chamber with top; The caliber of left side conduit arm (1-2) is thinner; In left conduit (1), be provided with a left side and attach wall cover capsule (5-1), this left side attaches the inwall that wall cover capsule (5-1) is positioned at left conduit arm (1-2); A said left side attaches wall cover capsule (5-1) and is connected with a unidirectional charge valve through a gas tube (7-1); Said unidirectional charge valve is positioned at the top of left conduit (1);
3) said left principal bronchus opening (2-3) is arranged on the bottom of right conduit (2), is the boundary with left principal bronchus opening (2-3), is to be responsible for (2-1), to be the right conduit arm (2-2) that is communicated with the right conduit person in charge (2-1) with the lower part with the right conduit in single chamber with top; The caliber of right conduit arm (2-2) is thinner; Hypomere at right conduit (2) is provided with upper right lobe of the lung opening (2-5); In right conduit (2), be provided with a right side and attach wall cover capsule (5-2), this right side attaches the inwall that wall cover capsule (5-2) is positioned at right conduit arm; The said right side attaches wall cover capsule (5-2) and is connected with a unidirectional charge valve through a gas tube; Said unidirectional charge valve is positioned at the top of right conduit (2).
2. a kind of single chamber according to claim 1 type bronchial catheter; It is characterized in that: left conduit (1) structure that is formed in one; Right principal bronchus opening (1-3) is arranged on following 1/3 section of left conduit (1), and the part caliber below right principal bronchus opening (1-3) attenuates, forms left conduit arm (1-2); On the outer wall of left main pipe (1-1), be provided with one first tracheal tampon (3), this tracheal tampon (3) is positioned at the top of right principal bronchus opening (1-3); Prop up on a left side and to be provided with one second tracheal tampon (4) on the outer wall that is positioned near the position right principal bronchus opening (1-3) on the conduit (1-2); Prop up on a left side and to be provided with one on the inwall that is positioned near the position right principal bronchus opening (1-3) on the conduit (1-2) and to attach wall cover capsule (5); Prop up on the outer wall that is positioned on the conduit (1-2) between second tracheal tampon (4) and the bronchus opening (1-4) on a left side and to be provided with one the 3rd tracheal tampon (6); Said first tracheal tampon (3), second tracheal tampon (4), attach wall cover capsule (5) and be connected with an inflating catheter (7) respectively with the 3rd tracheal tampon (6).
3. a kind of single chamber according to claim 1 type bronchial catheter; It is characterized in that: right conduit (2) structure that is formed in one; Left principal bronchus opening (2-3) is located at following 1/3 section of right conduit (2) and locates, and the part caliber below left principal bronchus opening (2-3) attenuates, forms right conduit arm (2-2); The hypomere of right conduit (2) is provided with upper right lobe of the lung opening; Establish three right cover capsules at the outer wall of right conduit; One of right cover capsule is positioned at the stage casing of right conduit (1), more than the left principal bronchus opening, is right tracheal tampon; Two of right cover capsule is positioned at place below the left principal bronchus opening, is equivalent on the knuckle, is the right trachea second cover capsule; Three of right cover capsule is positioned near the upper right lobe of the lung opening of right conduit arm, is right bronchial cuff; In right conduit (2), be provided with a right side and attach wall cover capsule, this right side attaches the inwall that wall cover capsule is positioned at right conduit arm; Said three right cover capsules attach wall cover capsule with the right side and respectively are connected with a unidirectional charge valve through a gas tube; Said unidirectional charge valve is positioned at the top of right conduit (2).
4. a kind of single chamber according to claim 3 type bronchial catheter; It is characterized in that: right bronchial catheter (2) comprises the right main pipe (2-1) with single chamber, a right conduit (2-2), and an end of a right conduit (2-2) is communicated with right main pipe (2-1), the other end is provided with bronchus opening (2-4); The caliber of a right conduit (1-2) is provided with left principal bronchus opening (2-3) less than the caliber of right main pipe (2-1) in right main pipe (2-1) and right junction of propping up conduit (2-2); Prop up on the right side on the far-end sidewall of conduit (2-2) and be provided with upper right lobe of the lung opening (2-5); On the outer wall of right main pipe (2-1), be provided with one first tracheal tampon (3), this tracheal tampon (3) is positioned at the top of left principal bronchus opening (2-3); Prop up on the right side and to be provided with one second tracheal tampon (4) on the outer wall that is positioned near the position left principal bronchus opening (2-3) on the conduit (2-2); Prop up on the right side and to be provided with one on the inwall that is positioned near the position left principal bronchus opening (2-3) on the conduit (2-2) and to attach wall cover capsule (5); Prop up on the outer wall that is positioned on the conduit (2-2) between second tracheal tampon (4) and the upper right lobe of the lung opening (2-5) on the right side and to be provided with one the 3rd tracheal tampon (6); Said first tracheal tampon (3), second tracheal tampon (4), attach wall cover capsule (5) and be connected with an inflating catheter (7) respectively with the 3rd tracheal tampon (6).
5. a kind of single chamber according to claim 1 type bronchial catheter, it is characterized in that: the length overall of described left bronchus conduit (1) is 200～500 millimeters; Left side main pipe (1-1) internal diameter is 2～10 millimeters, 1.0～2.0 millimeters of pipe thicknesses.
6. a kind of single chamber according to claim 1 type bronchial catheter, it is characterized in that: the length overall of described right bronchial catheter (2) is 200～500 millimeters; Right main pipe (2-1) internal diameter is 2～10 millimeters, 1.0～2.0 millimeters of pipe thicknesses.
7. a kind of single chamber according to claim 1 type bronchial catheter; It is characterized in that: each inflating catheter (7) is arranged in respectively in the pipe of left bronchus conduit (1) or right bronchial catheter (2), and every inflating catheter passes tube wall respectively and is connected with an outside unidirectional charge valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220028958 CN202478356U (en) | 2012-01-22 | 2012-01-22 | Single-lumen type bronchial catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220028958 CN202478356U (en) | 2012-01-22 | 2012-01-22 | Single-lumen type bronchial catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202478356U true CN202478356U (en) | 2012-10-10 |
Family
ID=46952822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220028958 Expired - Fee Related CN202478356U (en) | 2012-01-22 | 2012-01-22 | Single-lumen type bronchial catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202478356U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433370A (en) * | 2019-08-14 | 2019-11-12 | 江苏海德医学科技股份有限公司 | A kind of double-cavity bronchial cannula |
| CN111939409A (en) * | 2020-07-28 | 2020-11-17 | 中国科学院大学宁波华美医院 | Disposable single-cavity bronchial catheter |
| CN111991046A (en) * | 2020-09-03 | 2020-11-27 | 重庆大学附属肿瘤医院 | Double-cavity tracheal catheter with multi-angle adjustable air bag |
-
2012
- 2012-01-22 CN CN 201220028958 patent/CN202478356U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433370A (en) * | 2019-08-14 | 2019-11-12 | 江苏海德医学科技股份有限公司 | A kind of double-cavity bronchial cannula |
| CN111939409A (en) * | 2020-07-28 | 2020-11-17 | 中国科学院大学宁波华美医院 | Disposable single-cavity bronchial catheter |
| CN111991046A (en) * | 2020-09-03 | 2020-11-27 | 重庆大学附属肿瘤医院 | Double-cavity tracheal catheter with multi-angle adjustable air bag |
| CN111991046B (en) * | 2020-09-03 | 2021-08-10 | 重庆大学附属肿瘤医院 | Double-cavity tracheal catheter with multi-angle adjustable air bag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20150122 |
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| EXPY | Termination of patent right or utility model |