CN202490297U - Double-cavity bronchial catheter capable of dosing continuously in airway - Google Patents
Double-cavity bronchial catheter capable of dosing continuously in airway Download PDFInfo
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- CN202490297U CN202490297U CN2011205543379U CN201120554337U CN202490297U CN 202490297 U CN202490297 U CN 202490297U CN 2011205543379 U CN2011205543379 U CN 2011205543379U CN 201120554337 U CN201120554337 U CN 201120554337U CN 202490297 U CN202490297 U CN 202490297U
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- endotracheal tube
- tube
- bronchial catheter
- catheter
- pipe
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Abstract
The utility model relates to a double-cavity bronchial catheter capable of dosing continuously in an air way. The double-cavity bronchial catheter capable of dosing continuously in the air way includes a first tracheal catheter and a second tracheal catheter. An end part of one end of the first tracheal catheter is provided with a bronchial catheter. A continuous dosing pipe is embedded in a catheter wall of the first tracheal catheter corresponding to a combination part of the second tracheal catheter. An end of the continuous dosing pipe penetrates from the other end of the first tracheal catheter having one end provided with the bronchial catheter. And the continuous dosing pipe communicates with the bronchial catheter and the second tracheal catheter. An end part of the continuous dosing pipe is provided with an elastic medicine storing bag used for receiving medicine. After the medicine in the elastic medicine storing bag passes through the continuous dosing pipe, medicine liquid having a stable flow rate can be output from an bronchial catheter opening in an end part of the bronchial catheter and a second tracheal catheter opening in an end part of the second tracheal catheter. The double-cavity bronchial catheter capable of dosing continuously in the air way provided by the utility model is simple in structure and convenient for using. By using the double-cavity bronchial catheter capable of dosing continuously in the air way, stimulation is reduced, respiratory tract secretion is reduced and the probability of pulmonary infection is lowered. Therefore, the double-cavity bronchial catheter capable of dosing continuously in the air way is beneficial to recovery and is safe and reliable.
Description
Technical field
This utility model relates to a kind of endotracheal tube, and the double lumen endobronchial tube of sustainable administration belongs to technical field of medical in especially a kind of air flue.
Background technology
Endotracheal tube is used to anaesthetize the breathing Supporting Therapy that management or some serious symptom illness are breathed in the back.When the state of an illness need keep endotracheal tube, operation was choked and is coughed obviously often because of respiratory tract makes patient's cardiovascular response remarkable during owing to conduit stimulation during the band pipe, the stimulation of suction expectorant or tube drawing, makes seriously discomfort of patient, even meets accident.Above-mentioned uncomfortable reaction is generally eliminated through shifting to an earlier date tube drawing, but this can increase patient's risk from another point of view.At present, make patient's prolonged sleep through continuous injection tranquillizer usually, thus anti-pipe; But the unfavorable rehabilitation of patient's long-time sleeping state, endotracheal tube can increase respiratory secretions to the stimulation of trachea simultaneously, has increased the probability of pulmonary infection.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that exists in the prior art, and the double lumen endobronchial tube of sustainable administration in a kind of air flue is provided, and it is simple and compact for structure; Easy to use, reducing stimulates, and reduces the probability of respiratory secretions and pulmonary infection; Help rehabilitation, safe and reliable.
The technical scheme that provides according to this utility model; The double lumen endobronchial tube of sustainable administration in the said air flue; Comprise first endotracheal tube and be positioned at second endotracheal tube on the said first endotracheal tube outer wall; One end end of first endotracheal tube is provided with bronchial catheter, and said bronchial catheter is connected with first endotracheal tube; Be embedded with the pipe that continues medication in the tube wall of said first endotracheal tube corresponding to the second endotracheal tube joint portion; A said end that continues medication pipe passes from the other end that the first endotracheal tube correspondence is provided with bronchial catheter, and the pipe that continues medication is connected with the bronchial catheter and second endotracheal tube; The pipe that continues medication is provided with the elasticity drug storage bag that is used to hold medicament corresponding to the end that passes from first endotracheal tube and the second endotracheal tube joint portion tube wall, and the medicament in the said elasticity drug storage bag is through the medicinal liquid of Guan Houneng at second endotracheal tube opening output the stablizing flow velocity of the bronchial catheter opening of bronchial catheter end and the second endotracheal tube end that continue medication.
The material of said elasticity drug storage bag comprises rubber.The medicament that injects in the said elasticity drug storage bag comprises anesthetis.
Said bronchial catheter is left bronchus conduit or right bronchial catheter.Said first endotracheal tube and the corresponding outer wall of second endotracheal tube are provided with the first cover capsule; The said first cover capsule is connected with the first sleeve bag gas-filling pipe that is used for first sleeve bag gas-filling, the first sleeve bag gas-filling pipe corresponding to first the other end of linking to each other of cover capsule through the first sleeve bag gas-filling interface tube be used to seal first and overlap first of capsule and overlap the capsule seal valve and link to each other.
Be enclosed with the second cover capsule on the outer wall of said bronchial catheter; The said second cover capsule is connected with the second sleeve bag gas-filling pipe that is used for second sleeve bag gas-filling, the said second sleeve bag gas-filling pipe corresponding to second the other end of linking to each other of cover capsule through the second sleeve bag gas-filling interface tube be used to seal second and overlap second of capsule and overlap the capsule seal valve and link to each other.
Said first endotracheal tube is provided with the first respirator interface corresponding to the other end that bronchial catheter is set, and second endotracheal tube and first endotracheal tube are provided with the corresponding end of the first respirator interface and are provided with the second respirator interface.
When said bronchial catheter was right bronchial catheter, said right bronchial catheter was provided with right upper lung ventilation side opening, and said right upper lung ventilation side opening is connected with right bronchial catheter.Be provided with anti-pressing spring in the said bronchial catheter, said anti-pressing spring distributes along the axis of bronchial catheter.
The advantage of this utility model: be provided with the pipe that continues medication in the tube wall of first endotracheal tube and the second endotracheal tube joint portion, the said pipe that continues medication is connected with the bronchial catheter and second endotracheal tube; The pipe that continues medication is provided with elasticity drug storage bag corresponding to passing the outer end of corresponding joint portion tube wall, and the medicament in the said elasticity drug storage bag is through the medicament of Guan Houneng at endotracheal tube opening and second endotracheal tube opening output stablizing flow velocity that continue medication; When continuing to local anaesthetics through the elasticity drug storage bag and the pipe that continues medication; Can implement to continue the anesthesia of air flue inner surface; Can reduce the stimulation of endotracheal tube, can avoid simultaneously continuing to use tranquilizer to prolong the adverse effect of trachea band pipe time patient's rehabilitation to respiratory tract; Reduce the secretions of respiratory tract simultaneously, reduce the infection rate of pulmonary, when needs, can continue to give in the air flue other some pulmonary diseases of medicine treatment; Simple and compact for structure, easy to usely help rehabilitation, safe and reliable.
Description of drawings
Fig. 1 is the structural representation of this utility model embodiment 1.
Fig. 2 is the structural representation of this utility model embodiment 2.
The specific embodiment
Below in conjunction with concrete accompanying drawing and embodiment this utility model is described further.
Embodiment 1
As shown in Figure 1: this utility model comprises elasticity drug storage bag 1; The first cover capsule seal valve 2; The first sleeve bag gas-filling interface tube 3; The first sleeve bag gas-filling pipe 4; First endotracheal tube 5; The first cover capsule 6; The second cover capsule 7; Endotracheal tube opening 8; The second endotracheal tube opening 9; Second endotracheal tube 10; Pipe 11 continues medication; The second sleeve bag gas-filling pipe 12; The second sleeve bag gas-filling interface tube 13; The second cover capsule seal valve 14; The first respirator interface 15; The second respirator interface 16 and left bronchus conduit 18.
As shown in Figure 1: as to be the structural representation that an end end of first endotracheal tube 5 is provided with left bronchus conduit 18.One end end of first endotracheal tube 5 is provided with the other end that left bronchus conduit 18, the first endotracheal tubes 5 correspondences are provided with left bronchus conduit 18 the first respirator interface 15 is set, and left bronchus conduit 18 is connected with first endotracheal tube 5.The outer wall of first endotracheal tube 5 is provided with second endotracheal tube 10; Second endotracheal tube 10 is provided with the second respirator interface 16 with first endotracheal tube, the 5 corresponding first respirator interface, the 15 corresponding ends that are provided with; Second endotracheal tube 10 forms the second endotracheal tube opening 9 corresponding to the other end that forms the second respirator interface 16, and the said second endotracheal tube opening 9 is corresponding with the joint portion of left bronchus conduit 18 with first endotracheal tube 5.In the left bronchus conduit 18 anti-pressing spring can also be set, said anti-pressing spring distributes along the axis of left bronchus conduit 18, can prevent effectively that left bronchus conduit 18 is flattened.
Use for reducing artificial tranquilizer, make patient's anti-easily pipe under waking state, reduce, be embedded with the pipe 11 that continues medication in the tube wall of said first endotracheal tube 5 and second endotracheal tube, 10 joint portions because of the tube drawing reaction causes the too early risk of tube drawing.Pipe 11 the end that continues medication passes from first endotracheal tube, the 5 corresponding ends that form the first respirator interfaces 15, and the other end of the pipe 11 that continues medication is connected with the left bronchus conduit 18 and second endotracheal tube 10.Particularly, on pipe 11 the sidewall that continues medication medicine outlet hole can be set, the liquid-through hole on the tube wall of said medicine outlet hole and first endotracheal tube 5, second endotracheal tube 10 is connected.In order to export required medicament through the pipe 11 that continues medication; The end that pipe 11 correspondences that continue medication pass first endotracheal tube 5 and second endotracheal tube, 10 joint portion tube walls is provided with elasticity drug storage bag 1; The material of said elasticity drug storage bag 1 comprises rubber; Elasticity drug storage bag 1 is in empty flat state when not injecting medicament; After injecting medicament in the elasticity drug storage bag 1, elasticity drug storage bag 1 expands; Elasticity drug storage bag 1 can guarantee the pressure in the respective bag according to the size of pharmaceutical quantities simultaneously, i.e. elasticity drug storage bag 1 can be exported the medicinal liquid of stablizing flow velocity at the bronchial catheter opening 8 of the second endotracheal tube opening 9 and right bronchial catheter 19 behind the pipe 11 that continues medication.Said medicinal liquid comprises anesthetis.When medicament is anesthetis, can reduce by 1 couple of human respiratory tract's of endotracheal tube stimulation.
After in air flue, inserting first endotracheal tube 5 and second endotracheal tube 10 that can continue medication; Continue to give local anaesthetics; The anesthesia of enforcement airway surface realizes the anti-pipe of painless trachea, painless suction expectorant, painless tube drawing, correctly grasps opportunity, reduces patient's pain and reduces risks simultaneously.In addition on the one hand, when the needs air flue continues medication some respiratory tract disease of treatment, also can use this pipe and realize.Simultaneously, each internal organs also there is protective effect.
The outer wall of first endotracheal tube 5 and second endotracheal tube, 10 corresponding joint portions is provided with the first cover capsule 6, and the said first cover capsule, 6 parcel first endotracheal tubes 5 and second endotracheal tube, 10, the first cover capsules 6 are positioned at the top of the second endotracheal tube opening 9.The first cover capsule 6 is connected with the first sleeve bag gas-filling pipe 4 that is used for 6 inflations of the first cover capsule, and the first sleeve bag gas-filling pipe 4 links to each other with the first cover capsule seal valve 2 that is used for 6 sealings of the first cover capsule through the first sleeve bag gas-filling interface tube 3 corresponding to the other end that links to each other with the first cover capsule 6.The first sleeve bag gas-filling pipe 4 can be embedded in the tube wall of second endotracheal tube 10, and the first sleeve bag gas-filling pipe 4 passes corresponding to an end that forms the second respirator interface 16 from second endotracheal tube 10 corresponding to the end with the first cover capsule seal valve 2.Left bronchus conduit 18 is provided with the second cover capsule 7, and the said second cover capsule 7 is positioned at the below of the second endotracheal tube opening 9, and the second cover capsule, 7 parcel left bronchus conduits, 18 corresponding outer walls.The second cover capsule 7 is connected with the second sleeve bag gas-filling pipe 12 that is used for 7 inflations of the second cover capsule; The second sleeve bag gas-filling pipe 12 can be embedded in the tube wall of first endotracheal tube 5, and the second sleeve bag gas-filling pipe 12 passes from first endotracheal tube, 5 corresponding ends that form the first respirator interface 15.The second sleeve bag gas-filling pipe, 12 correspondences pass the outer end of first endotracheal tube 5 and link to each other with second seal valve 14 that is used to seal the second cover capsule 7 through the second sleeve bag gas-filling interface tube 13.
Embodiment 2
As shown in Figure 2: this utility model comprises elasticity drug storage bag 1; The first cover capsule seal valve 2; The first sleeve bag gas-filling interface tube 3; The first sleeve bag gas-filling pipe 4; First endotracheal tube 5; The first cover capsule 6; The second cover capsule 7; Endotracheal tube opening 8; The second endotracheal tube opening 9; Second endotracheal tube 10; Pipe 11 continues medication; The second sleeve bag gas-filling pipe 12; The second sleeve bag gas-filling interface tube 13; The second cover capsule seal valve 14; The first respirator interface 15; The second respirator interface 16; Right upper lung ventilation side opening 17 and right bronchial catheter 19.
As shown in Figure 2: as to be the structural representation that an end end of first endotracheal tube 5 is provided with right bronchial catheter 19.One end end of first endotracheal tube 5 is provided with the other end that right bronchial catheter 19, the first endotracheal tubes 5 correspondences are provided with right bronchial catheter 19 the first respirator interface 15 is set, and right bronchial catheter 19 is connected with first endotracheal tube 5.The outer wall of first endotracheal tube 5 is provided with second endotracheal tube 10; Second endotracheal tube 10 is provided with the second respirator interface 16 with first endotracheal tube, the 5 corresponding first respirator interface, the 15 corresponding ends that are provided with; Second endotracheal tube 10 forms the second endotracheal tube opening 9 corresponding to the other end that forms the second respirator interface 16, and the said second endotracheal tube opening 9 is corresponding with the joint portion of right bronchial catheter 19 with first endotracheal tube 5.In the right bronchial catheter 19 anti-pressing spring can also be set, said anti-pressing spring distributes along the axis of right bronchial catheter 19, can prevent effectively that right bronchial catheter 19 is flattened.Right bronchial catheter 19 is provided with right upper lung ventilation side opening 17, and said right upper lung ventilation side opening 17 is connected with right bronchial catheter 19.
Use for reducing artificial tranquilizer, make patient's anti-easily pipe under waking state, reduce, be embedded with the pipe 11 that continues medication in the tube wall of said first endotracheal tube 5 and second endotracheal tube, 10 joint portions because of the tube drawing reaction causes the too early risk of tube drawing.Pipe 11 the end that continues medication passes from first endotracheal tube, the 5 corresponding ends that form the first respirator interfaces 15, and the other end of the pipe 11 that continues medication is connected with the right bronchial catheter 19 and second endotracheal tube 10.Particularly, on pipe 11 the sidewall that continues medication medicine outlet hole can be set, the liquid-through hole on the tube wall of said medicine outlet hole and first endotracheal tube 5, second endotracheal tube 10 is connected.In order to export required medicament through the pipe 11 that continues medication; The end that pipe 11 correspondences that continue medication pass first endotracheal tube 5 and second endotracheal tube, 10 joint portion tube walls is provided with elasticity drug storage bag 1; The material of said elasticity drug storage bag 1 comprises rubber; Elasticity drug storage bag 1 is in empty flat state when not injecting medicament; After injecting medicament in the elasticity drug storage bag 1, elasticity drug storage bag 1 expands; Elasticity drug storage bag 1 can guarantee the pressure in the respective bag according to the size of pharmaceutical quantities simultaneously, i.e. elasticity drug storage bag 1 can be exported the medicinal liquid of stablizing flow velocity at the endotracheal tube opening 8 of the second endotracheal tube opening 9 and right bronchial catheter 19 behind the pipe 11 that continues medication.Said medicinal liquid comprises anesthetis.When medicament is anesthetis, can reduce by 1 couple of human respiratory tract's of endotracheal tube stimulation.
As depicted in figs. 1 and 2: as during use, the said double lumen endobronchial tube and the pipe 11 that continues medication to be carried out as required moulding, and select the double lumen endobronchial tube interface shown in Fig. 1 or Fig. 2 as required.After the selection; And the end that the double lumen endobronchial tube correspondence is provided with bronchial catheter inserted in the air flue, after the insertion, first endotracheal tube 5 is through the first respirator interface 15; Second endotracheal tube 10 links to each other with respirator through the second respirator interface 16; When the one-sided ventilation of needs, inflate through 12 pairs second covers of second sleeve bag gas-filling pipe capsule 7, and seal through 14 pairs second covers of second cover capsule seal valve capsule 7.In order to reduce stimulation to respiratory tract; Inject required anesthetis to elasticity drug storage bag 1; The medicament that elasticity drug storage bag 1 injects is outwards exported the medicinal liquid of stablizing flow velocity through the endotracheal tube opening 8 or the second endotracheal tube opening 9 behind the pipe 11 that continues medication; Said medicinal liquid can reduce the stimulation of endotracheal tube to respiratory tract to the corresponding inner surface continuous narcosis of air flue.Also can in elasticity drug storage bag 1, add other medicament as required, also can add other required medicaments.After patient's operation, need revive as early as possible; But when reducing the stimulation that double lumen endobronchial tube is inserted through the tranquillizer, reviving of patient played opposite effect, be unfavorable for patient's rehabilitation; And this utility model can not influence patient's wakeup process when continuing to anesthetis through elasticity drug storage bag 1; Simultaneously, when respiratory tract is reduced, can reduce the generation of secretions, reduce the pulmonary infection rate.
Being provided with the pipe 11 that continues medication in the tube wall of this utility model first endotracheal tube 5 and second endotracheal tube, 10 joint portions, the said pipe 11 that continues medication is connected with the bronchial catheter and second endotracheal tube 10; The pipe 11 that continues medication is provided with elasticity drug storage bag 1 corresponding to passing the outer end of corresponding joint portion tube wall, and the medicament in the said elasticity drug storage bag 1 can be at the medicament of the endotracheal tube opening 8 and second endotracheal tube opening 9 outputs the stablizing flow velocity behind the pipe 11 that continues medication; When continuing to local anaesthetics through the elasticity drug storage bag 1 and the pipe 11 that continues medication; Can implement to continue the anesthesia of air flue inner surface; Can reduce the stimulation of endotracheal tube, can avoid simultaneously continuing to use tranquilizer to prolong the adverse effect of trachea band pipe time patient's rehabilitation to respiratory tract; Reduce the secretions of respiratory tract simultaneously, reduce the infection rate of pulmonary, when needs, can continue to give in the air flue other some pulmonary diseases of medicine treatment; Simple and compact for structure, easy to usely help rehabilitation, safe and reliable.
Claims (6)
1. the double lumen endobronchial tube of sustainable administration in the air flue; Comprise first endotracheal tube (5) and be positioned at second endotracheal tube (10) on said first endotracheal tube (5) outer wall; One end end of first endotracheal tube (5) is provided with bronchial catheter, and said bronchial catheter is connected with first endotracheal tube (5); It is characterized in that: be embedded with the pipe (11) that continues medication in the tube wall of said first endotracheal tube (5) corresponding to second endotracheal tube (10) joint portion; One end of the said pipe (11) that continues medication passes from the other end that first endotracheal tube (5) correspondence is provided with bronchial catheter, and the pipe (11) that continues medication is connected with bronchial catheter and second endotracheal tube (10); The pipe (11) that continues medication is provided with the elasticity drug storage bag (1) that is used to hold medicament corresponding to the end that passes from first endotracheal tube (5) and second endotracheal tube (10) joint portion tube wall, and the medicament in the said elasticity drug storage bag (1) can be exported the medicinal liquid of stablizing flow velocity at the endotracheal tube opening (8) of bronchial catheter end and the second endotracheal tube opening (9) of second endotracheal tube (10) end behind the pipe (11) that continues medication.
2. the double lumen endobronchial tube of sustainable administration in the air flue according to claim 1 is characterized in that: said bronchial catheter is left bronchus conduit (18) or right bronchial catheter (19).
3. the double lumen endobronchial tube of sustainable administration in the air flue according to claim 1; It is characterized in that: said first endotracheal tube (5) is provided with the first cover capsule (6) with the corresponding outer wall of second endotracheal tube (10); The said first cover capsule (6) is connected with the first sleeve bag gas-filling pipe (4) that is used for first cover capsule (6) inflation, the first sleeve bag gas-filling pipe (4) corresponding to first the other end of linking to each other of cover capsule (6) through the first sleeve bag gas-filling interface tube (3) be used to seal first and overlap first of capsule (6) and overlap capsule seal valve (2) and link to each other.
4. the double lumen endobronchial tube of sustainable administration in the air flue according to claim 2; It is characterized in that: be enclosed with the second cover capsule (7) on the outer wall of said bronchial catheter; The said second cover capsule (7) is connected with the second sleeve bag gas-filling pipe (12) that is used for second cover capsule (7) inflation, the said second sleeve bag gas-filling pipe (12) corresponding to second the other end of linking to each other of cover capsule (7) through the second sleeve bag gas-filling interface tube (13) be used to seal second and overlap second of capsule (7) and overlap capsule seal valve (14) and link to each other.
5. the double lumen endobronchial tube of sustainable administration in the air flue according to claim 1; It is characterized in that: said first endotracheal tube (5) is provided with the first respirator interface (15) corresponding to the other end that bronchial catheter is set, and second endotracheal tube (10) is provided with the corresponding end of the first respirator interface (15) with first endotracheal tube (5) and is provided with the second respirator interface (16).
6. the double lumen endobronchial tube of sustainable administration in the air flue according to claim 2; It is characterized in that: when said bronchial catheter is right bronchial catheter (19); Said right bronchial catheter (19) is provided with right upper lung ventilation side opening (17), and said right upper lung ventilation side opening (17) is connected with right bronchial catheter (19).
7.The double lumen endobronchial tube of sustainable administration in the air flue according to claim 1 is characterized in that: be provided with anti-pressing spring in the said bronchial catheter, said anti-pressing spring distributes along the axis of bronchial catheter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205543379U CN202490297U (en) | 2011-12-27 | 2011-12-27 | Double-cavity bronchial catheter capable of dosing continuously in airway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205543379U CN202490297U (en) | 2011-12-27 | 2011-12-27 | Double-cavity bronchial catheter capable of dosing continuously in airway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202490297U true CN202490297U (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205543379U Expired - Fee Related CN202490297U (en) | 2011-12-27 | 2011-12-27 | Double-cavity bronchial catheter capable of dosing continuously in airway |
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| Country | Link |
|---|---|
| CN (1) | CN202490297U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107349503A (en) * | 2017-07-10 | 2017-11-17 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | A kind of Dual-channel tracheal cannula of accurate medication |
| 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 |
| CN112274745A (en) * | 2020-10-29 | 2021-01-29 | 合肥达米医疗科技有限公司 | Double-layer bag double-cavity bronchial catheter |
-
2011
- 2011-12-27 CN CN2011205543379U patent/CN202490297U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107349503A (en) * | 2017-07-10 | 2017-11-17 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | A kind of Dual-channel tracheal cannula of accurate medication |
| 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 |
| CN112274745A (en) * | 2020-10-29 | 2021-01-29 | 合肥达米医疗科技有限公司 | Double-layer bag double-cavity bronchial catheter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Ningchuang Medical Equipment Co., Ltd. Assignor: Gao Hong Contract record no.: 2013320000310 Denomination of utility model: Double-cavity bronchial catheter capable of dosing continuously in airway Granted publication date: 20121017 License type: Exclusive License Record date: 20130410 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20141227 |
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| EXPY | Termination of patent right or utility model |