CN204319462U - A kind of endotracheal tube of easy nursing - Google Patents
A kind of endotracheal tube of easy nursing Download PDFInfo
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- CN204319462U CN204319462U CN201420793400.8U CN201420793400U CN204319462U CN 204319462 U CN204319462 U CN 204319462U CN 201420793400 U CN201420793400 U CN 201420793400U CN 204319462 U CN204319462 U CN 204319462U
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- suction catheter
- air bag
- endotracheal tube
- catheter
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Abstract
This utility model discloses a kind of endotracheal tube of easy nursing, comprises body, and the front end of body is coated with air bag, and the rear end of body is connected with catheter adapter; Suction catheter is provided with in the tube wall of body, one end of suction catheter is in " Y " type, and end Liang Ge branch lays respectively on the tube wall of top outside air bag, and the other end conductive pipe joint direction of suction catheter extends, the end of suction catheter passes tube wall and is positioned at outside body, is provided with bougie in suction catheter; Catheter adapter is connected with side opening pipe, side opening pipe is provided with the protective cap suitable with its shape.By arranging suction catheter in the tube wall of body, the end of suction catheter connects syringe or negative pressure suction device, removes the retentate of top outside air bag; Be provided with bougie in suction catheter, effectively prevent retentate from blocking suction catheter; By connecting side opening pipe in catheter adapter, side opening pipe is connected with sputum aspirator tube by protective cap, carries out intratracheal administration or suction sputum, and is convenient to nursing, and avoids the malaise symptoms that nursing procedure is brought to patient.
Description
Technical field
This utility model relates to a kind of medical device, specifically refers to a kind of endotracheal tube of easy nursing.
Background technology
Endotracheal tube is a kind of common medical apparatus and instruments, is mainly used in general anesthesia, dyspnea, respiratory failure carry out in the operations such as cardio-pulmonary resuscitation or disease.And the existing endotracheal tube used, no matter be that two-chamber or single-lumen bronchial tube all exist some Clinical practice defects, endotracheal tube is inserted tracheal strips, mechanical ventilation is carried out after airbag aeration is fixing, if the long meeting of indwelling time produces retentate above air bag on the one hand, this retentate easily causes airway infections; During endotracheal tube use mechanical ventilation, intratracheal administration is all inconvenient with cleaning air flue endocrine on the other hand, need to take off after the threaded pipe of breathing machine being connected to catheter adapter completes administration or cleaning air flue endocrine and connect corrugated tubing continuation mechanical ventilation again, the air feed that such operation makes patient easily occur causing because of nursing procedure interrupts, and occurs hypoxemia.
Existing endotracheal tube comprises body simultaneously, the front opening of body, and be positioned at body front end and the air bag etc. of close opening, this type endotracheal tube is not easy to remove the retentate above air bag on using, during nursing, general needs two nurse's compounding practices, just can avoid retentate to fall into downtake after air bag is loosened; Existing endotracheal tube all needs at intratracheal administration or when removing air flue endocrine to take off corrugated tubing time-out mechanical ventilation simultaneously.
Utility model content
The purpose of this utility model is: the endotracheal tube providing a kind of easy nursing, by arranging suction catheter in the tube wall of body, one end of suction catheter is " Y " type end, end Liang Ge branch lays respectively on the tube wall of top outside air bag, other end conductive pipe joint direction extends, the end of suction catheter passes tube wall and is positioned at outside body, and the end of suction catheter can connect syringe or negative pressure suction device, can remove the retentate that outside air bag, top produces; Be provided with bougie in suction catheter, be blocked in the retentate in suction catheter by the process of operation bougie; By connecting side opening pipe in catheter adapter, the outside of side opening pipe is provided with protective cap, under the state that protective cap is opened; sputum aspirator tube can be inserted; the secretions produced in cleaning air flue, can carry out intratracheal administration by side opening pipe simultaneously, in this process can not interrupt machine ventilation.
This utility model is achieved through the following technical solutions: a kind of endotracheal tube of easy nursing, comprises body, and the front end of body is coated with air bag, and the rear end of body is connected with catheter adapter; Suction catheter is provided with in the tube wall of body, one end of suction catheter is in " Y " type, and end Liang Ge branch lays respectively on the tube wall of top outside air bag, and the other end conductive pipe joint direction of suction catheter extends, the end of suction catheter passes tube wall and is positioned at outside body, is provided with bougie in suction catheter; Catheter adapter is connected with side opening pipe, side opening pipe is provided with the protective cap suitable with side opening tube shape.
This utility model is by arranging air bag, and air bag is coated on the front end of endotracheal tube, the Main Function arranging airbag structure is after endotracheal tube inserts trachea, airtight air flue, avoid inhaling by mistake, and fixing endotracheal tube, keep endotracheal tube to be positioned in the middle of trachea, and prevent the tip damage air flue of endotracheal tube front end; After airbag aeration, air bag applies pressure in airway walls, and the gasbag pressure that therefore this utility model adopts is not more than 20mmHg, and air bag diameter is less than airway diameter, can avoid producing damage to air flue.
This utility model by arranging suction catheter in the tube wall of body, suction catheter is the wide chamber of flat, one end of suction catheter is in " Y " type, " Y " type end Liang Ge branch lays respectively on the tube wall of top outside air bag, the other end conductive pipe joint direction of suction catheter extends, and end is positioned at outside body, negative pressure suction device is connected by the end at suction catheter, the retentate produced above air bag is pumped out, retentate long term storage is avoided to cause airway infections in air flue, or connect syringe by the end at suction catheter, by suction catheter, the air flue of top outside air bag is rinsed.
This utility model by arranging bougie in suction catheter, in this utility model, any restriction is not done to the size of bougie, material, the Main Function of bougie clears up the retentate be blocked in suction catheter, keep suction catheter inner chamber unimpeded, can ensure that removing the operations such as Subglottic secretion carries out smoothly.
This utility model, by connecting side opening pipe in catheter adapter, protective cap installed by side opening pipe, and the shape of the shape of side opening pipe and protective cap is mutually adaptive, open and close when being convenient to use clinically, when protective cap is in closed condition, sealing is good, and effectively can prevent gas leakage; Protective cap can be opened during nursing; realize sputum aspirator tube or syringe to insert side opening pipe by protective cap, carry out the suction of sputum in air flue or carry out intratracheal administration, during secretions in administration or air suction pipe conduit; mechanical ventilation does not interrupt, and keeps aeration status.
Further, in order to better realize this utility model, " Y " type end Liang Ge branch of described suction catheter lays respectively at the intersection of top outside the tube wall of body and air bag.Here " Y " type end position of suction catheter is further qualified, and be top outside the air bag tube wall on position range preferred, when endotracheal tube inserts tracheal strips, mechanical ventilation is carried out after airbag aeration is fixing, when duration of ventilation is longer, above air bag and between body and air flue, produce a large amount of retentate in tract; After endotracheal tube inserts human body, retentate constantly can accumulate in tract because of action of gravity around air flue and body are formed, the end Liang Ge branch of " Y " type end is separately positioned on two intersections of top outside the tube wall of body and air bag, negative pressure suction device is connected by the other end at suction catheter, effectively the retentate of top outside air bag thoroughly can be cleared up, prevent from causing airway infections.If cleaning is not thorough, flushing process can also be carried out by suction catheter.
Further, in order to better realize this utility model, described side opening pipe is also connected with sputum aspirator tube by protective cap, the inner chamber of described side opening pipe and the shape of sputum aspirator tube suitable, be conducive to clearing up the secretions such as the sputum produced in endotracheal tube.Wherein sputum aspirator tube can be 10F sputum aspirator tube or 12F sputum aspirator tube, and the shape of sputum aspirator tube is mated mutually with side opening tube shape.
Further, in order to better realize this utility model, the angle between described catheter adapter and side opening pipe is 45 °.Here the position relationship of catheter adapter and side opening pipe is done further preferably, preferred connection angle is between the two 45 °, after endotracheal tube inserts human body, sputum aspirator tube is inserted in side opening pipe, carry out the cleaning of sputum in air flue, can effectively prevent sputum aspirator tube from bending at side opening pipe and catheter adapter junction and affecting problems such as clearing up secretions operation simultaneously.
Further, in order to better realize this utility model, described air bag is communicated with pilot balloon by inflation connection tube, inflation connection tube is arranged on the outside of body and the part that described inflation connection tube enters in human body is all fixedly connected with described body, after endotracheal tube inserts trachea, inflate in air bag, by extruding pilot balloon, judge appropriateness and the sealing of airbag aeration capacity.
Further, in order to better realize this utility model, described air bag is high appearance low pressure air bag, high appearance low pressure air bag is thin walled bladder, there is large diameter, highly conforming properties, large tranquillization capacity, the features such as low air bag is intrinsic pressure, and air bag is intrinsic pressure close to tracheal wall pressure, can effectively block backflows inhales by mistake, and air bag is intrinsic pressure simultaneously remains on below 20mmHg, the pressure to tracheal wall can be reduced, reduce the damage to trachea.
Further, in order to better realize this utility model, the front end of described body is provided with inclined-plane opening, the front end of existing endotracheal tube is equipped with opening, the shape of opening is further limited herein, opening is inclined-plane opening, and the surface of inclined-plane opening is smooth shape, can reduce the damage to air flue to greatest extent.
Further, in order to better realize this utility model, between described inclined-plane opening and air bag, be provided with silent luxuriant and rich with fragrance hole.The setting in silent luxuriant and rich with fragrance hole can increase ventilation, when the tip, front end of conduit is affixed on tracheal wall, can prevent ventilation blocking.
Further, in order to better realize this utility model, in described body, be provided with the tinsel of arranging in the shape of a spiral.Wherein tinsel can be steel wire, distribute at endotracheal tube internal coiling shape, and steel wire and endotracheal tube inwall compact siro spinning technology, now, endotracheal tube has certain rigidity, ventilation will be caused not smooth because patient stings tight, endotracheal tube more can not soften because of other reasons, ensure that the result of use of endotracheal tube.
Further, in order to better realize this utility model, described body is hollow tube, and this is the common practise of those skilled in the art, repeats no more.
This utility model compared with prior art, has the following advantages and beneficial effect:
(1) this utility model is by arranging suction catheter, and suction catheter one end is in " Y " type, " Y " type end Liang Ge branch lays respectively on the tube wall of top outside air bag, the other end conductive pipe joint direction of suction catheter extends, the end of suction catheter passes tube wall and is positioned at outside body, syringe or negative pressure suction device is connected by the end at suction catheter, be convenient to the retentate clearing up top outside air bag, prevent from air flue from producing to infect, and " Y " type end position of suction catheter arrange can effectively remove to be positioned at outside air bag top and be in air flue and endotracheal tube body form the air flue retentate of chamber, do not affect mechanical ventilation simultaneously.
(2) this utility model by arranging bougie in suction catheter, and the material of bougie is not construed as limiting, and can be polymer bougie, is convenient to the tamper clearing up diverse location in suction catheter.
(3) this utility model by arranging side opening pipe in catheter adapter; side opening pipe is provided with protective cap; protective cap is convenient to the closedown that uses clinically and unlatching; and airtight performance is good; can intratracheal administration be carried out by side opening pipe, or when opening protective cap, sputum aspirator tube can be inserted side opening pipe by protective cap; can realize under the state of mechanical ventilation, intratracheal administration is carried out to patient and removes air flue endocrine.
(4) this utility model structure is simple, and is convenient to clinical manipulation, and overcomes the defect that existing endotracheal tube is not easy to remove retentate above outside air bag on using, and reduces manual operation cost; Can under the condition of not interrupt machine ventilation, carry out intratracheal administration or remove air flue endocrine simultaneously, there is clinic popularization and application values widely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Wherein: 1-body, 2-inflation connection tube, 3-pilot balloon, 4-air bag, 5-suction catheter, 6-bougie, 7-catheter adapter, 8-side opening pipe, 9-protective cap, 10-inclined-plane opening, 11-silent luxuriant and rich with fragrance hole, 12-sputum aspirator tube.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment 1:
As shown in Figure 1, a kind of endotracheal tube of easy nursing, comprises body 1, and the front end of body 1 is coated with air bag 4, and the rear end of body 1 is connected with catheter adapter 7; Suction catheter 5 is provided with in the tube wall of body 1, one end of suction catheter 5 is in " Y " type, end Liang Ge branch lays respectively on the tube wall of top outside air bag 4, other end conductive pipe joint 7 direction of suction catheter 5 extends, the end of suction catheter 5 passes tube wall and is positioned at outside body 1, is provided with bougie 6 in suction catheter 5; Catheter adapter 7 is connected with side opening pipe 8, side opening pipe 8 is provided with the protective cap 9 suitable with its shape.
This utility model by arranging suction catheter 5 on the tube wall of body 1, suction catheter 5 is the wide chamber of flat, one end of suction catheter 5 is in " Y " type, end Liang Ge branch lays respectively on the tube wall of top outside air bag 4, other end conductive pipe joint 7 direction of suction catheter 5 extends, and end is positioned at outside body, negative pressure suction device is connected by the end at suction catheter 5, the retentate produced above air bag 4 can be adsorbed by negative pressure suction device, retentate long term storage is avoided to cause airway infections in air flue, or connect syringe by the end at suction catheter 5, carry out top outside air bag to rinse.
This utility model by arranging bougie 6 in suction catheter 5, and any restriction is not done to the size of bougie 6, material in this utility model, the Main Function of bougie 6 clears up the retentate be blocked in suction catheter 5, keep the tube cavity of suction catheter 5 unimpeded, can ensure that removing the operations such as Subglottic secretion carries out smoothly.
This utility model by connecting side opening pipe 8 in catheter adapter 7, and side opening pipe 8 is provided with protective cap 9, and protective cap 9 and side opening pipe 8 are mutually adaptive in shape, open and close when being convenient to use clinically, and protective cap 9 is when being in closed condition, sealing is good, and effectively can prevent gas leakage; Protective cap 9 can be opened during nursing; the connection of the cavity of side opening pipe 8 and sputum aspirator tube or syringe; carry out the suction of sputum in air flue or carry out intratracheal administration; under administration or the endocrine operation of suction air flue; do not need to take off the threaded pipe of breathing machine be connected with catheter adapter 7; the state of ventilating can be kept always, avoid the patient's air feed caused because of nursing procedure to interrupt, occur hypoxemia.Other structures involved by this utility model and principle thereof are the common practise in affiliated field, repeat no more.
Embodiment 2:
The present embodiment on the basis of embodiment 1, the intersection above outside the tube wall that " Y " type end Liang Ge branch limiting further described suction catheter 5 lays respectively at body 1 and air bag 4.Here " Y " type end position of suction catheter 5 is further qualified, and be top outside the air bag 4 tube wall in position range further preferably, when endotracheal tube inserts tracheal strips, air bag 4 starts mechanical ventilation after inflating and fixing, the indwelling endotracheal tube time is time longer, produces a large amount of retentate above outside air bag 4 between body 1 and air flue in the tract formed; After endotracheal tube inserts human body, the retentate produced constantly to accumulate and tract is positioned at above the outside of air bag 4 because of action of gravity in the tract that air flue and body 1 are formed, " Y " type end Liang Ge branch is laid respectively at the intersection of top outside the tube wall of body and air bag 4, connect negative pressure suction device at the end of the other end of suction catheter 5 simultaneously, thorough cleaning retentate, prevents from causing airway infections.Other structures of the present embodiment are identical with embodiment 1, repeat no more.
Embodiment 3:
The present embodiment limits further on the basis of above-described embodiment, and described side opening pipe 8 is also connected with sputum aspirator tube 12 by protective cap 9, can insert sputum aspirator tube 12 after opening protective cap.The tube chamber of described side opening pipe 8 and the shape of sputum aspirator tube 12 suitable, when protective cap 9 is opened, sputum aspirator tube 12 inserts in side opening pipe 8 by protective cap 9, the secretions such as sputum produced in cleaning air flue.Other structures of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 4:
The present embodiment is on the basis of above-described embodiment, angle between the described catheter adapter 7 of further restriction and side opening pipe 8 is 45 °, here the position relationship of catheter adapter 7 and side opening pipe 8 is done further preferably, preferred angle is between the two 45 °, can prevent sputum aspirator tube from giving a discount when being inserted endotracheal tube inner chamber by side opening pipe 8 bending, thus impact cleaning secretions.Other structures of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 5:
The present embodiment is on the basis of above-described embodiment, further restriction, described air bag 4 is communicated with pilot balloon 3 by inflation connection tube 2, described inflation connection tube 2 is arranged on the outside of body 1 and the part that enters in human body of inflation connection tube 2 is all fixedly connected with the tube wall of body 1, after endotracheal tube inserts trachea, use syringe by the joint of pilot balloon 3 tail end to injecting gas in air bag 4, by extruding pilot balloon 3, judge air bag 4 inflate whether suitable, after pilot balloon 3 is heaved, show that the air bag 4 be connected with pilot balloon 3 is saturated, stop inflation.Other structures of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 6:
The present embodiment, on the basis of above-described embodiment, further limits, and described air bag 4 is high appearance low pressure cuff.High appearance low pressure air bag is thin walled bladder, there is large diameter, highly conforming properties, large tranquillization capacity, the features such as low air bag is intrinsic pressure, and air bag 4 is intrinsic pressure close to tracheal wall pressure, can effectively block backflows inhales by mistake, air bag 4 is intrinsic pressure remains on below 20mmHg always, can reduce the pressure to tracheal wall, reduces the damage to trachea.Other structures of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 7:
The present embodiment is on the basis of above-described embodiment, and the front end further limiting described body 1 is provided with inclined-plane opening 10, and the surface of inclined-plane opening 10 is smooth shape, can realize reducing the damage to air flue to greatest extent; Be provided with silent luxuriant and rich with fragrance hole 11 between described inclined-plane opening 10 and air bag 4, can increase ventilation by the setting in silent luxuriant and rich with fragrance hole 11, especially when the tip of catheter proximal end is affixed on tracheal wall, silent luxuriant and rich with fragrance hole 11 can prevent ventilation blocking.Other structures of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 8:
The present embodiment, on the basis of above-described embodiment, limits in described body 1 further and is provided with the tinsel of arranging in the shape of a spiral.Wherein tinsel has multiple choices, preferred steel wire, and distributes in the shape of a spiral in endotracheal tube, simultaneously steel wire and endotracheal tube inwall compact siro spinning technology.Now, endotracheal tube has certain rigidity, and ventilation will be caused not smooth because patient stings tight, endotracheal tube more can not soften because of other reasons, ensure that the result of use of endotracheal tube.Other structures of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 9:
The present embodiment is on the basis of above-described embodiment, and further limiting described body 1 is hollow tube.Other structures of the present embodiment are same as the previously described embodiments, repeat no more.
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to this utility model, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present utility model, all falls into protection domain of the present utility model.
Claims (10)
1. an endotracheal tube for easily nursing, it is characterized in that: comprise body (1), the front end of body (1) is coated with air bag (4), and the rear end of body (1) is connected with catheter adapter (7); Suction catheter (5) is provided with in the tube wall of body (1), one end of suction catheter (5) is in " Y " type, end Liang Ge branch lays respectively on the tube wall of top, air bag (4) outside, other end conductive pipe joint (7) direction of suction catheter (5) extends, the end of suction catheter (5) passes tube wall and is positioned at body (1) outward, is provided with bougie (6) in suction catheter (5); Catheter adapter (7) is connected with side opening pipe (8), side opening pipe (8) is provided with the protective cap (9) suitable with its shape.
2. the endotracheal tube of a kind of easy nursing according to claim 1, is characterized in that: " Y " type end Liang Ge branch of described suction catheter (5) lays respectively at the tube wall of body (1) and the intersection of top, air bag (4) outside.
3. the endotracheal tube of a kind of easy nursing according to claim 1, is characterized in that: described side opening pipe (8) is also connected with sputum aspirator tube (12) by protective cap (9).
4. the endotracheal tube of a kind of easy nursing according to claim 3, is characterized in that: the angle between described catheter adapter (7) and side opening pipe (8) is 45 °.
5. the endotracheal tube of a kind of easy nursing according to any one of Claims 1-4, it is characterized in that: described air bag (4) is communicated with pilot balloon (3) by inflation connection tube (2), inflate connection tube (2) and be arranged on the outside of body (1) and inflate connection tube (2) part that enters in human body and be all fixedly connected with the tube wall of body (1).
6. the endotracheal tube of a kind of easy nursing according to claim 5, is characterized in that: described air bag (4) holds low pressure cuff for high.
7. the endotracheal tube of a kind of easy nursing according to claim 5, is characterized in that: the front end of described body (1) is also provided with inclined-plane opening (10).
8. the endotracheal tube of a kind of easy nursing according to claim 7, is characterized in that: be provided with silent luxuriant and rich with fragrance hole (11) between described inclined-plane opening (10) and air bag (4).
9. the endotracheal tube of a kind of easy nursing according to claim 8, is characterized in that: described body is provided with the tinsel of arranging in the shape of a spiral in (1).
10. the endotracheal tube of a kind of easy nursing according to claim 9, is characterized in that: described body (1) is hollow tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420793400.8U CN204319462U (en) | 2014-12-16 | 2014-12-16 | A kind of endotracheal tube of easy nursing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420793400.8U CN204319462U (en) | 2014-12-16 | 2014-12-16 | A kind of endotracheal tube of easy nursing |
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| CN204319462U true CN204319462U (en) | 2015-05-13 |
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| CN201420793400.8U Expired - Fee Related CN204319462U (en) | 2014-12-16 | 2014-12-16 | A kind of endotracheal tube of easy nursing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108354596A (en) * | 2018-01-24 | 2018-08-03 | 于新琦 | A kind of anaesthetic room emergency resuscitation auxiliary device |
| CN108785815A (en) * | 2018-04-17 | 2018-11-13 | 柳州市人民医院 | Medical trachea cannula |
| CN111408004A (en) * | 2020-03-31 | 2020-07-14 | 西安交通大学医学院第一附属医院 | Endotracheal Magnetically Guided Fixed Jet Tube Device for High Frequency Jet Ventilation |
| CN111450372A (en) * | 2020-04-27 | 2020-07-28 | 南通市妇幼保健院 | Airway clearing device for severe medical patients |
| CN113367746A (en) * | 2021-06-25 | 2021-09-10 | 胡海 | Multifunctional laparoscopic surgery auxiliary device |
| CN116747401A (en) * | 2023-06-26 | 2023-09-15 | 中国人民解放军总医院第一医学中心 | A new type of high-flow humidification therapy device connector |
-
2014
- 2014-12-16 CN CN201420793400.8U patent/CN204319462U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108354596A (en) * | 2018-01-24 | 2018-08-03 | 于新琦 | A kind of anaesthetic room emergency resuscitation auxiliary device |
| CN108354596B (en) * | 2018-01-24 | 2021-01-26 | 青岛大学附属医院 | A kind of emergency resuscitation aid device in anesthesia room |
| CN108785815A (en) * | 2018-04-17 | 2018-11-13 | 柳州市人民医院 | Medical trachea cannula |
| CN111408004A (en) * | 2020-03-31 | 2020-07-14 | 西安交通大学医学院第一附属医院 | Endotracheal Magnetically Guided Fixed Jet Tube Device for High Frequency Jet Ventilation |
| CN111450372A (en) * | 2020-04-27 | 2020-07-28 | 南通市妇幼保健院 | Airway clearing device for severe medical patients |
| CN111450372B (en) * | 2020-04-27 | 2021-02-09 | 南通市妇幼保健院 | Airway clearing device for severe medical patients |
| CN113367746A (en) * | 2021-06-25 | 2021-09-10 | 胡海 | Multifunctional laparoscopic surgery auxiliary device |
| CN116747401A (en) * | 2023-06-26 | 2023-09-15 | 中国人民解放军总医院第一医学中心 | A new type of high-flow humidification therapy device connector |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20161216 |
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| CF01 | Termination of patent right due to non-payment of annual fee |