CN106994205A - A kind of multi-functional nasopharynx medical apparatus - Google Patents
A kind of multi-functional nasopharynx medical apparatus Download PDFInfo
- Publication number
- CN106994205A CN106994205A CN201710240218.8A CN201710240218A CN106994205A CN 106994205 A CN106994205 A CN 106994205A CN 201710240218 A CN201710240218 A CN 201710240218A CN 106994205 A CN106994205 A CN 106994205A
- Authority
- CN
- China
- Prior art keywords
- medical
- medical apparatus
- nasopharynx
- decoction
- functional
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
Abstract
The present invention relates to a kind of multi-functional nasopharynx medical apparatus, described device includes atomized medicine introducing pipe, the atomized medicine introducing tube outer surface provided with can inflation/deflation elastic bag, be additionally provided with decoction carrier layer in the elastic bag outer surface.This device can be used for the medication of nasopharynx larynx and hemostasis, nasal meatus to expand shaping and keep nasal airflow, reduce the multiple uses such as schneiderian membrane frictionally damage, easy to operate, be adapted to widely using for all kinds of Clinical Institutions and first aid process.
Description
Technical field
The present invention relates to technical field of medical instruments, and in particular to a kind of multi-functional nasopharynx medical apparatus.
Background technology
The management of difficult airway is still the most stern challenge that anesthetist faces so far, it with Anesthetic safety with
Quality of anesthesia is closely related.Airway management is improper, it is impossible to maintain the normal ventilation of patient, and the life for directly influencing patient is pacified
Entirely.Therefore, difficult airway how is handled, the ventilation problem of difficult airway patient how is controlled, is that Anesthetist is of interest
Focus and difficult point.
The difficult airway patient for implementing general anesthesia typically for nasotracheal intubation, needs pair before trachea cannula
Patient's nasopharynx larynx is cleared up and Anesthesia medicine.Because the architectural difference of human body nasal cavity is larger, such as some patient's nasal cavities compared with
It is small, there is deviation of nasal septum etc., and because the thickness and crooked radian of trachea cannula and air-breather are not consistent etc. former with nasal cavity
Cause, clinically when carrying out trachea cannula to patient or inserting nasopharyngeal air duct, easily causes nasal membrane damage, bleeding, and past
It is past once to insert, it is sometimes desirable to repeatedly sound out and insert, pain and psychological pressure are brought to patient.
In addition, nasal bleeding is ear-nose-throat department common disease, can occur in nasal cavity front portion or rear portion, it is necessary to give immediately fast
Fast effective hemostasis processing.Blindness and excessively filling are clinically there may be over the course for the treatment of, cause nasal membrane to damage
The complication such as erosion, nasal cavity secondary hemorrhage, adhesion of nasal cavity, hyposphresia.It is auxiliary for being needed to use such as nostril forming is postoperative
The situation of support and air-breather is helped, at present clinical many tubular support frames using fixed size.Due to individual differences, often greatly
Small dimension can not fully meet clinical demand, and support frame caliber is fixed, and single model functions only as supporting role, does not reach expansion
The purpose of nasal cavity.
Notification number is related to a kind of leading type nasopharyngeal air duct for CN 202590097U Chinese patent literature, and it includes drawing
Conduit, nasopharynx airway and guide wire, the guiding tube are approximately conical flexible pipe body, and nasopharynx airway is cylinder
The body of shape, described guide wire, the head end insertion guiding tube of the nasopharynx airway are fixed with the small head end of guiding tube
Pore in, in the wall body of nasopharynx airway have along nasopharynx airway length direction arrange guide wire pass through
Hole, the leading section of the guide wire is located at outside the stub end of guiding tube after passing through the pore of guiding tube, and the stage casing of guide wire
Passed through in from guide wire through hole.The program improves the success rate once inserted, but its Split type structure feature to insert
When operation inconvenience, and function is single.
Notification number is related to a kind of functional nasal air-bag type dilator for CN 205586036U Chinese patent literature, wraps
Include pharynx nasalis air guide monitoring device, nasal airway monitoring device, central breather pipe and graduated scale, the graduated scale is along in described
Centre breather pipe axial direction is fixed on the outside of the central breather pipe, and the pharynx nasalis air guide monitoring device is arranged on carves with described
Spend on the outside of the relative central breather pipe of chi and close to the position of one end positioned at the central breather pipe, the nasal airway
Monitoring device is arranged on the other end；The end of the central breather pipe has the conduit ventilation for being used for suctioning out secretion and oxygen uptake
Hole.The device facilitates insertion into operation, but and structure is complex, and function is single.
To sum up, Structure of need is simple in field of medical technology, and adaptability is good, Multifunctional nasal easy to use and safe and reliable
Medical apparatus is swallowed, the device can be used for the multiple uses such as the medication of nasopharynx larynx, nasal meatus expansion and nose cavity hemostatic.
The content of the invention
To solve above mentioned problem of the prior art, the present invention provides a kind of multi-functional nasopharynx medical apparatus, and this device can
Expand shaping for the medication of nasopharynx larynx and hemostasis, nasal meatus and keep nasal airflow, reduce the multiple uses such as schneiderian membrane frictionally damage,
It is easy to operate, it is adapted to widely using for all kinds of Clinical Institutions and first aid process, and production cost is low.
To achieve the above object, the present invention proposes a kind of multi-functional nasopharynx medical apparatus, and described device includes atomized medicine introducing
Pipe, described atomized medicine introducing pipe one end is decoction inlet, and the other end is atomizer；It is provided with the atomized medicine introducing tube outer surface
Can inflation/deflation elastic bag, be additionally provided with decoction carrier layer in the elastic bag outer surface.
Wherein, the decoction inlet of described atomized medicine introducing pipe one end can connect with existing liquid medicine injection apparatus and atomization plant
Connect, such as cartridge syringe and vaporizer.The doctor that the atomizer of the atomized medicine introducing pipe other end is connected according to decoction inlet
It is adapted to the species (compression atomizer, ultrasonic ultrasonic delay line memory, net formula atomizer) of atomizer.Such as connection net formula atomization
During device, using net formula fog-spray nozzle, by the up-down vibration of net formula atomizer ticker, pass through the hole of the net formula fog-spray nozzle of nozzle type
By medical liquid squeezing, spray head structure to spray using small ultrasonic activation and net formula.
The atomized medicine introducing pipe is manufactured using medical macromolecular materials, and the medical macromolecular materials include polyethylene, gathered
Propylene, polyacrylate, aromatic polyester, silicon rubber, polyurethane, chitin, cellulose, polyvinyl alcohol or polycaprolactone.
In one embodiment, the atomizer is detachable atomizer.For example when need not be to nasal cavity after
When portion and bottleneck throat medication, atomizer can be pulled down, so as to connect breathing apparatus by atomized medicine introducing pipe come directly
Respiratory ventilation is provided to patient to support.
Further, whole length of atomized medicine introducing pipe are surrounded in the elastic bag covering, and in elastic bag close to medicine
Liquid inlet one end is connected with breather pipe, and the other end of breather pipe is connected with gas injection port.Charger pair is connected by gas injection port
Elastic bag is inflated, and can expand elastic bag Quick uniform, so as to play expansion nasal meatus and compressing nasal cavity internal haemorrhage
The effect for putting to stop blooding.Covered by elastic bag and surround whole length of atomized medicine introducing pipe to operate.
The elastic bag is manufactured using flexible medical material, such as medical silica-gel, latex, polyurethane.
In one embodiment, the gas injection port carries sealing-locking device.When by charger to elastic bag
It is inflated and reaches after desired effects, gas injection port is locked by sealing-locking device, so that elastic bag keeps inflation
State, persistently to be pressed to nasal cavity.It is close by discharging this when needing to take out medical apparatus of the present invention from patient's nasal cavity
Locking device is sealed with the gas in quick release elastic bag.
Further, whole length of elastic bag are surrounded in the covering of decoction carrier layer.In one embodiment, decoction is carried
Half length of the elastic bag away from atomizer end is surrounded in body layer covering.
Preferably, decoction carrier layer has the radial dimension gradually tapered up at atomizer end, so that via intranasal application is inserted.
The decoction carrier layer is manufactured using soft and with suction-operated medical material, such as medical collagen
Sponge, polyvinyl fluoride sponge, sodium carboxymethylcellulose sponge, chitosan sponge or gelfoam etc..These materials have good
Absorption decoction effect, be adapted as the carrier of drug controlled release；It has good compatibility with tissue in addition,
It can be brought into close contact with the surface of a wound, wound healing, air permeable humidity retaining；And it is more soft compared to elastic bag, it is atomized beneficial to buffering
The compressing and friction of delivery tube and elastic bag to mucous membrane in fragile nasal cavity.
In one embodiment, there are one or more moulding silks on the atomized medicine introducing inside pipe wall axial direction.Preferably,
These moulding silks are circumferentially uniform along atomized medicine introducing inside pipe wall.The moulding silk be metal material, for example stainless steel, cobalt-base alloys,
Titanium-base alloy etc., so that atomized medicine introducing pipe carries out moulding according to nasal cavity structure and increases certain structural strength, is facilitated insertion into
Operation.In one embodiment, in the tube wall of the moulding silk insertion atomized medicine introducing pipe, more closely tied with same atomized medicine introducing pipe
Close.
Further, the decoction carrying layer surface has scale, by the scale, and operator can be easily controlled this
Invention device inserts the length of nasal cavity and bottleneck throat.
The inventive method has the following advantages that：
The decoction adsorbed in decoction carrier layer in the present invention can with nasal membrane fully, be closely contacted, so that medicine
Liquid is effectively absorbed, and improves the utilization rate of decoction.Patient for needing expansion nasal meatus, can be effective using the present apparatus
Ground expands nasal meatus, reduces the nasal meatus damage brought because nasal meatus is narrow, the risk of bleeding.For the patient of nasal cavity internal haemorrhage, sheet
Device can also play a part of effectively stopping blooding.The patient for needing to be administered for pharynx nasalis, can also give full play to it has mist
Change the advantage of administration functions.The also dispersible elastic bag of decoction carrier layer acts on the pressure of nasal cavity inwall, reduces elasticity
Frictionally damage of the air bag to nasal membrane.
Brief description of the drawings
Fig. 1 is the structural representation of the multi-functional nasopharynx medical apparatus of one embodiment of the invention.
Wherein reference is：
1- atomized medicine introducing pipes；2- decoction inlets；3- atomizers；The moulding silks of 4-；5- gas injection ports；6- breather pipes；7- bullets
Property air bag；8- decoction carrier layers.
Embodiment
To make the object of the invention, technical scheme and feature clearer, come further to retouch the present invention below in conjunction with the accompanying drawings
State.It should be understood that herein below is used to illustrate the present invention, but it is not limited to the scope of the present invention.
Embodiment 1
Referring to Fig. 1, a kind of multi-functional nasopharynx medical apparatus of the invention, including atomized medicine introducing pipe 1, elastic bag 7, decoction
Carrier layer 8.Wherein the one end of atomized medicine introducing pipe 1 is provided with decoction inlet 2, and the other end is provided with atomizer 3, and it is interior provided with moulding silk
4；Elastic bag 7 is located at the outer surface of atomized medicine introducing pipe 1, and decoction carrier layer 8 is designed as being fitted tightly over the appearance of elastic bag 7
Face, elastic bag 7 is connected with gas injection port 5 by breather pipe 6.
So that one needs to implement the difficult airway patient that nasotracheal intubation implements general anesthesia under waking state as an example,
The patient needs to carry out Anesthesia medicine to nasopharynx larynx before trachea cannula.Patient's nasal cavity is carried out after appropriate cleaning, this hair is inserted
Bright multi-functional nasopharynx medical apparatus.Insert before the present apparatus, medicine (the numb collunarium of vasoconstrictor such as furan of nasal cavity applied medicine will be prepared
Liquid etc., topical anesthetic such as lidocaine etc., for example right U.S. support pyrimidine of sedative etc., or lubricating oil etc.) drop in, soak or use other
Method is adsorbed in decoction carrier layer 8.Pause promotes the present apparatus after atomizer 3 enters bottleneck throat by choana, now,
Gas is injected by gas injection port 5 to inflate elastic bag 7, so that decoction carrier layer 8 is affixed with the extruding of nasal cavity inwall, makes decoction
Ooze out and then fully act on nasal membrane, play efficient medicine effect.And then, note will be needed by decoction inlet 2
Enter the medicine (such as topical anesthetic) of bottleneck throat and patient's bottleneck throat (or even gas is acted on by atomized medicine introducing pipe 1 and atomizer 3
In pipe).Behind several minutes of interval, the present invention is taken out from patient's nasal cavity, that is, obtains efficient topical analgesic effects or other use
Drug effect fruit.Meanwhile, aforesaid operations process has also effectively expanded the nasal meatus of patient's relative narrowness, plays a part of achieving many things at one stroke.
Embodiment 2
On the basis of embodiment 1, sealing-locking device is provided with gas injection port 5, to cause by charger to bullet
Property air bag be inflated and reach after desired effects, gas injection port is locked and opened by sealing-locking device, so that elastic bag
Keep or release inflation state, to carry out persistently pressure to nasal cavity or apparatus of the present invention are removed from nasal cavity.
In addition, by the scale of decoction carrying layer surface, operator can be easily controlled apparatus of the present invention insertion nasal cavity with
And the length of bottleneck throat, so that beneficial to safe operation.
Although above with general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (10)
1. a kind of multi-functional nasopharynx medical apparatus, described device includes atomized medicine introducing pipe, it is characterised in that the atomized medicine introducing pipe
One end is decoction inlet, and the other end is atomizer；The atomized medicine introducing tube outer surface provided with can inflation/deflation elastic gas
Capsule, decoction carrier layer is additionally provided with the elastic bag outer surface.
2. multi-functional nasopharynx medical apparatus as claimed in claim 1, it is characterised in that the atomizer is detachable mist
Change shower nozzle.
3. multi-functional nasopharynx medical apparatus as claimed in claim 2, it is characterised in that the elastic bag covering surrounds described
Whole length of atomized medicine introducing pipe, and breather pipe is connected with close to decoction inlet one end in elastic bag, breather pipe it is another
End is connected with gas injection port.
4. multi-functional nasopharynx medical apparatus as claimed in claim 3, it is characterised in that the gas injection port is with sealing locking dress
Put.
5. multi-functional nasopharynx medical apparatus as claimed in claim 4, it is characterised in that bullet is surrounded in the decoction carrier layer covering
Property air bag whole length, and there is the radial dimension that gradually tapers up at atomizer end.
6. multi-functional nasopharynx medical apparatus as claimed in claim 5, it is characterised in that on the atomized medicine introducing inside pipe wall axial direction
With one or more moulding silks.
7. multi-functional nasopharynx medical apparatus as claimed in claim 6, it is characterised in that the decoction carrying layer surface, which has, to be carved
Degree.
8. the multi-functional nasopharynx medical apparatus as any one of claim 1-7, it is characterised in that the atomized medicine introducing pipe
Manufactured using medical macromolecular materials, it is poly- that the medical macromolecular materials include polyethylene, polypropylene, polyacrylate, fragrance
Ester, silicon rubber, polyurethane, chitin, cellulose, polyvinyl alcohol or polycaprolactone.
9. multi-functional nasopharynx medical apparatus as claimed in claim 8, it is characterised in that the elastic bag is using flexible
Medical material manufacture, flexible medical material includes medical silica-gel, latex or polyurethane.
10. multi-functional nasopharynx medical apparatus as claimed in claim 9, it is characterised in that the decoction carrier layer is using soft
And with suction-operated medical material manufacture, it is described soft and with suction-operated medical material include medical collagen
Protein sponge, polyvinyl fluoride sponge, sodium carboxymethylcellulose sponge, chitosan sponge or gelfoam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710240218.8A CN106994205A (en) | 2017-04-13 | 2017-04-13 | A kind of multi-functional nasopharynx medical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710240218.8A CN106994205A (en) | 2017-04-13 | 2017-04-13 | A kind of multi-functional nasopharynx medical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106994205A true CN106994205A (en) | 2017-08-01 |
Family
ID=59433974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710240218.8A Pending CN106994205A (en) | 2017-04-13 | 2017-04-13 | A kind of multi-functional nasopharynx medical apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106994205A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469214A (en) * | 2017-09-05 | 2017-12-15 | 张琨 | A kind of nasal membrane anesthesia outfit |
| CN107961642A (en) * | 2017-12-01 | 2018-04-27 | 河北东厚环保科技有限公司 | Gas recovery system for oil based on high throughput nanometer adsorbent bed |
| CN107970747A (en) * | 2017-12-01 | 2018-05-01 | 河北东厚环保科技有限公司 | Can remote monitoring oil gas automation recovery system |
| CN112245781A (en) * | 2020-10-30 | 2021-01-22 | 榆林市第一医院 | Nasopharynx and larynx surface anesthesia device |
| CN115671513A (en) * | 2022-09-16 | 2023-02-03 | 中国人民解放军总医院第六医学中心 | Nasopharynx support |
| WO2023146971A1 (en) | 2022-01-28 | 2023-08-03 | Kindeva Drug Delivery L.P. | Device for delivery of a compound to specific regions of the nasal cavity |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201441411U (en) * | 2009-07-29 | 2010-04-28 | 柴桂云 | Nasal cavity hemostat for medical use |
| JP2010154919A (en) * | 2008-12-26 | 2010-07-15 | Fujifilm Corp | Auxiliary tool for nasal cavity dilation |
| CN103889489A (en) * | 2011-07-13 | 2014-06-25 | 铸造有限责任公司 | Delivery device for nasopharyngeal mucosa targets |
| CN204181677U (en) * | 2014-09-16 | 2015-03-04 | 厦门大学附属中山医院 | Disposable pair of capsule ventilation nasal cavity hemostatic catheter |
| CN204293637U (en) * | 2014-11-25 | 2015-04-29 | 盐城宁康医疗器械有限公司 | Medicine-feeding type can thermometric endotracheal tube |
| CN204446844U (en) * | 2015-03-03 | 2015-07-08 | 苏州同力生物医药有限公司 | Disposable per nasal brain-targeted drug delivery device |
| CN207370975U (en) * | 2017-04-13 | 2018-05-18 | 杜云飞 | A kind of multi-functional nasopharynx medical apparatus |
-
2017
- 2017-04-13 CN CN201710240218.8A patent/CN106994205A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010154919A (en) * | 2008-12-26 | 2010-07-15 | Fujifilm Corp | Auxiliary tool for nasal cavity dilation |
| CN201441411U (en) * | 2009-07-29 | 2010-04-28 | 柴桂云 | Nasal cavity hemostat for medical use |
| CN103889489A (en) * | 2011-07-13 | 2014-06-25 | 铸造有限责任公司 | Delivery device for nasopharyngeal mucosa targets |
| CN204181677U (en) * | 2014-09-16 | 2015-03-04 | 厦门大学附属中山医院 | Disposable pair of capsule ventilation nasal cavity hemostatic catheter |
| CN204293637U (en) * | 2014-11-25 | 2015-04-29 | 盐城宁康医疗器械有限公司 | Medicine-feeding type can thermometric endotracheal tube |
| CN204446844U (en) * | 2015-03-03 | 2015-07-08 | 苏州同力生物医药有限公司 | Disposable per nasal brain-targeted drug delivery device |
| CN207370975U (en) * | 2017-04-13 | 2018-05-18 | 杜云飞 | A kind of multi-functional nasopharynx medical apparatus |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469214A (en) * | 2017-09-05 | 2017-12-15 | 张琨 | A kind of nasal membrane anesthesia outfit |
| CN107961642A (en) * | 2017-12-01 | 2018-04-27 | 河北东厚环保科技有限公司 | Gas recovery system for oil based on high throughput nanometer adsorbent bed |
| CN107970747A (en) * | 2017-12-01 | 2018-05-01 | 河北东厚环保科技有限公司 | Can remote monitoring oil gas automation recovery system |
| CN107970747B (en) * | 2017-12-01 | 2021-01-29 | 河北东厚环保科技有限公司 | Oil gas automatic recovery system capable of being remotely monitored |
| CN112245781A (en) * | 2020-10-30 | 2021-01-22 | 榆林市第一医院 | Nasopharynx and larynx surface anesthesia device |
| WO2023146971A1 (en) | 2022-01-28 | 2023-08-03 | Kindeva Drug Delivery L.P. | Device for delivery of a compound to specific regions of the nasal cavity |
| CN115671513A (en) * | 2022-09-16 | 2023-02-03 | 中国人民解放军总医院第六医学中心 | Nasopharynx support |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106994205A (en) | A kind of multi-functional nasopharynx medical apparatus | |
| US5031613A (en) | Nebulizing catheter | |
| CN206473643U (en) | A kind of surface anesthesia through nasal intubation and expanding pilot device | |
| CN103768693A (en) | Anti-pollution double-layer airbag oral trachea cannula as well as preparation and application methods thereof | |
| TW201526933A (en) | Tracheal tube system including tracheal tube and suction device | |
| CN207370975U (en) | A kind of multi-functional nasopharynx medical apparatus | |
| MXPA94005022A (en) | Endotracheal tube. | |
| CN204181677U (en) | Disposable pair of capsule ventilation nasal cavity hemostatic catheter | |
| CN203677683U (en) | Anti-pollution double-layer air bag oral trachea cannula | |
| CN209316628U (en) | A kind of Emergence fast and safely sputum aspirator | |
| CN215841048U (en) | Nasal cavity intubation pressure sore prevention device | |
| CN213158652U (en) | Multifunctional tracheal catheter for anesthesia department | |
| CN211383297U (en) | Multipurpose breather | |
| CN210542773U (en) | Nasopharynx air duct | |
| CN209392153U (en) | A kind of simple animal anesthetic ventilator | |
| CN203494044U (en) | Percutaneous trachea dilator with sheathing canal | |
| CN2484071Y (en) | Spraying phlegm-suction catheter for use in trachea | |
| CN202342638U (en) | Multifunctional tracheotomy conduit | |
| CN207591068U (en) | Double anti-double capsule tracheostomy cannulas | |
| CN2244915Y (en) | Multifunctional ventilation type nasal hemostat | |
| CN205586036U (en) | Multi -functional nasal cavity gasbag formula expander | |
| CN211561534U (en) | Nasal cavity mucosa constriction device for nasal endoscope operation | |
| CN210145247U (en) | Tracheal catheter blocking device | |
| CN201012217Y (en) | Nasus trachea catheter device | |
| CN213758407U (en) | Anterior and posterior nostril plug tube for epistaxis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |