CN106039513A - Wireless visual guide core for tracheal intubation - Google Patents
Wireless visual guide core for tracheal intubation Download PDFInfo
- Publication number
- CN106039513A CN106039513A CN201610523418.XA CN201610523418A CN106039513A CN 106039513 A CN106039513 A CN 106039513A CN 201610523418 A CN201610523418 A CN 201610523418A CN 106039513 A CN106039513 A CN 106039513A
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- CN
- China
- Prior art keywords
- core
- wireless
- tracheal intubation
- connects
- head
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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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0465—Tracheostomy tubes; Devices for performing a tracheostomy; Accessories therefor, e.g. masks, filters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00011—Operational features of endoscopes characterised by signal transmission
- A61B1/00016—Operational features of endoscopes characterised by signal transmission using wireless means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00066—Proximal part of endoscope body, e.g. handles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00131—Accessories for endoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00142—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with means for preventing contamination, e.g. by using a sanitary sheath
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/05—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/267—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
- A61B1/2676—Bronchoscopes
Abstract
The invention relates to a wireless visual guide core for tracheal intubation, which comprises a catheter core, wherein the left end of the catheter core is provided with a miniature camera; the left end of the miniature camera is provided with a feathering lens; the right side of the feathering lens is connected with a light source LED; a signal line is connected to the right side of the miniature camera; a protective coating is arranged on the outer side of the catheter core in a surrounding manner; the right end of the catheter core is connected with a handle shell; a wireless transmission circuit is arranged at the left side inside the handle shell and is connected with the signal line; the right side of the wireless transmission circuit is connected with a power management module; the right side of the power management module is connected with a rechargeable lithium battery; the right side of the rechargeable lithium battery is connected with a switch and a charging plug; and a transmitting antenna is connected on the upper side of the wireless transmission circuit. The wireless visual guide core has the advantages of light weight, flexibility, convenient operation, low tracheal intubation difficulty, simple structure and good flexibility.
Description
Technical field
The invention belongs to medical device technical field, being specifically related to one can letter in general anesthesia operation and rescue catheterization procedure
Just rapid examination leads core to intubating the tracheal intubation wireless visible stretching into position video image.
Background technology
Endotracheal intubation is to rob in general anesthesia operation or cardio-pulmonary resuscitation and the Severe acute disease patient with respiratory dysfunction
The important method used during rescuing, it challenge is how raising and the lower tracheal intubation of fast and convenient per os direct-view and is stranded
The success rate of difficult airway intubation.The outer surface inserting end of traditional endotracheal tube body is provided with gas cell, the limit of gas cell
Edge is tightly connected with body and air inlet pipe one end of being embedded on tube wall with single channel connects, the other end of air inlet pipe and air inlet
Valve connects, and needs by intubating the medical apparatus and instruments instrument such as optical wand or laryngoscope when intubating, and adds the workload of doctor, intubates
Complexity and intubation time；Will also result in cross-reference infection, injury of throat, cartilage comes off, glottis stimulates damage, tooth simultaneously
The risk that tooth sled falls.Traditional laryngoscope and optical wand are relatively big to injury of human, and can not reach visual effect, and visible laryngoscope is also only
It is observed that oral cavity and glottis position, it is impossible to it is fully achieved visual effect, and operates the most very inconvenient with sterilization, easily intersect
Interference, during operating cost, relatively costly, tracheal intubation wireless visible leads core can effectively solve these defects.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, and provide that a kind of light and handy flexible operating is convenient, trachea
Intubate that difficulty is relatively low, the preferable wireless tracheal intubation of simple in construction, pliability visually leads core.
The object of the present invention is achieved like this: a kind of wireless tracheal intubation visually leads core, and it includes tube core, described pipe
The left end of core is provided with minisize pick-up head, and the left end of described minisize pick-up head is provided with emergence eyeglass, described emergence eyeglass
Right side connect and have light source led, the right side of described minisize pick-up head connects has holding wire, wrapping around of described tube core to set
Being equipped with protective coating, the right-hand member of described tube core connects has handle casing, the inside left of described handle casing to be provided with nothing
Line radiating circuit, described holding wire is connected with radio transmitter, and the right side of described radio transmitter connects electricity
Source control module, the right side of described power management module connects chargeable lithium cell, the right side of described chargeable lithium cell
Side connects switch and charging plug, and the upside of described radio transmitter connects transmitting antenna.
The thickness of described protective coating is 0.8-1.2mm.
Described minisize pick-up head is CMOS minisize pick-up head.
Described light source led is LED paster light source.
Described socket is DC charging socket.
Described handle casing is hand grip of aluminum alloy.
Beneficial effects of the present invention: when carrying out clinical intubation can with in oral cavity visible in detail, epiglottis, sound
Door, trachea, esophagus, the video image of bronchial tissue, can precisely effectively complete by quick and safe by observing video image
Intubation, this tracheal intubation wireless visible is led core and is used wireless video transmission mode, it is to avoid the constraint interference of cable, lightly
Operational approach flexibly, guide cannula operation of can shaping in the conduit insertion tracheal intubation that hardness is moderate, tissue is damaged
Hinder little；And avoid when clinic intubates the dependence intubating the instrument and equipment such as optical wand and laryngoscope simultaneously.Decrease doctor intubating
In workload, the complexity intubated and intubation time；Avoid causing cross-reference infection, injury of throat, cartilage to come off, sound
The danger that visiting card swashs damage, tooth sled falls.Can extract easily from tracheal intubation after intubating successfully and intubate wireless video and lead
Core, protective film sleeve pipe of tearing, it is not necessary to lead core carry out disinfection to intubating wireless video, disposably from new set when next time uses
Protective film sleeve pipe, protective film sleeve pipe single use, it is not necessary to sterilization, it also avoid the friendship the most thoroughly caused because of sterilization
Fork infects；Use this intubate wireless visible lead the maximum advantage of core exactly can precisely, safe, quickly, effectively, carry out easily
Tracheal intubation, the present invention has that light and handy flexible operating is convenient, tracheal intubation difficulty is relatively low, simple in construction, pliability are preferable in a word
Advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of wireless tracheal intubation of the present invention visually leads core.
In figure: 1, emergence eyeglass 2, light source led 3, minisize pick-up head 4, tube core 5, holding wire 6, protective coating 7,
Radio transmitter 8, power management module 9, handle casing 10, transmitting antenna 11, chargeable lithium cell 12, switch
13, charging plug.
Detailed description of the invention
The present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1
As it is shown in figure 1, a kind of wireless tracheal intubation visually leads core, it includes tube core 4, and the left end of described tube core 4 is provided with micro-
Type photographic head 3, the left end of described minisize pick-up head 3 is provided with emergence eyeglass 1, and the right side of described emergence eyeglass 1 connects to be had
Light source led 2, the right side of described minisize pick-up head 3 connects has holding wire 5, described wrapping around of tube core 4 to be provided with protection
Coating 6, the right-hand member of described tube core 4 connects has handle casing 9, the inside left of described handle casing 9 to be provided with wireless
Radio road 7, described holding wire 5 is connected with radio transmitter 7, and the right side of described radio transmitter 7 connects electricity
Source control module 8, the right side of described power management module 8 connects chargeable lithium cell 11, described chargeable lithium cell
The right side of 11 connects switch 12 and charging plug 13, and the upside of described radio transmitter 7 connects transmitting antenna 10.
The present invention is when implementing, and the miniature CMOS camera of integrated embedding 3 in the head end cavity of tube core 4, at miniature CMOS
The side of photographic head 3 is integrated with white LED light source 2, provides image acquisition light source, minisize pick-up head 3 and tube core 4 for photographic head
Header terminal design Packed emergence eyeglass, fully seals design and can effectively prevent inside liquid or other foreign body invasion and attack photographic head
Circuit, the feature of this emergence eyeglass has hydrophobicity, is possible to prevent gas atomization to eyeglass, and liquid and other foreign body also cannot
It is adsorbed onto lens surface, from the image acquisition form without blocking photographic head, has ensured that clear high-quality video image is imitated
Really.Minisize pick-up head 3 welds together with holding wire 5, and holding wire uses shielding line structure, effectively prevents transmitting signal and is done
Disturbing, the other end of holding wire 5 is connected with radio transmitter 7, and radio transmitter 7 is designed with transmitting antenna 10, can strengthen
The emissivities of signal.Radio transmitter 7 and wireless camera 3 need power management module 8 to provide electric power to change, power supply pipe
Reason module 8 is connected with switch 12 and chargeable lithium cell 11, by switch 12 control chargeable lithium cell 11 and power management mould
The connection of block 8, chargeable lithium cell 11 welds together with charging plug 13, can lead to after chargeable lithium cell 11 electricity exhausts
Overcharge plug 13 is charged energy storage.It is internal that all parts are assemblied in handle casing 9, and handle casing 9 uses aluminum alloy material,
The effective support strength of the system that ensure that and spatter property, fully sealing design, reach IP65 protection level, effectively prevent foreign body with
The liquid invasion and attack damage to internal circuit, also allows for medical treatment sterilization.
A kind of tracheal intubation wireless visible of the present invention is led its using method of core and is: carry out tracheal intubation behaviour in clinic
When making, only need to lead disposable thin film protection sleeve pipe on core retainer plate by intubating wireless visible, in being inserted into endotracheal tube, open switch
, by wireless transmission signal, by image information display on a display screen, by observing video image, can simply, gently
Loose, quick, accurate, safe and effective complete to intubate, be independent of the experiential operating of doctor, the most scientific visual complete
Intubation, mustn't rely on other medical apparatus and instruments, easy operation sequence, saves a large amount of operating time and complicated journey
Degree, saves more energy for doctor, has striven for the time earlier for rescuing life, has reduced the generation of medical-risk accident.
Tracheal intubation wireless visible of the present invention is led core and is shown to have the advantage that this endotracheal tube is wireless by clinical experiment
Visually lead core to need not other medical assistance training equipments and complete intubation, by observing the video track of visual camera head
Mark image, can quickly effectively simplicity complete accurately to intubate, use wireless architecture design, uses light and handy flexible, uses once
Property membrane casing is without carrying out disinfection, and opening switch can show video image, simple and efficient to handle, internal circuit strengthening design
And use inlet member, ensure the stability used.
Tracheal intubation wireless visible of the present invention is led core and can be substituted endotracheal tube on existing market and intubate and lead core, intubate light
Rod, intubate the medical apparatus and instruments such as laryngoscope.Intubating wireless visible, to lead core simple to operation, intubates speed fast, and catheter position intuitively may be used
Depending on, intubate the accurate safety in position, save the time for rescuing life, alleviate the workload and complexity intubated, improve slotting
Pipe success rate.Overcome the defect using clinically and nursing of common tracheal intubation, meet clinical staff to wound
The requirement of new type medical equipment, meets the demand of medical industry scientific progress development, and the present invention has light and handy behaviour flexibly in a word
Make convenient, tracheal intubation difficulty is relatively low, the preferable advantage of simple in construction, pliability.
Embodiment 2
As it is shown in figure 1, a kind of wireless tracheal intubation visually leads core, it includes tube core 4, and the left end of described tube core 4 is provided with micro-
Type photographic head 3, the left end of described minisize pick-up head 3 is provided with emergence eyeglass 1, and the right side of described emergence eyeglass 1 connects to be had
Light source led 2, the right side of described minisize pick-up head 3 connects has holding wire 5, described wrapping around of tube core 4 to be provided with protection
Coating 6, the right-hand member of described tube core 4 connects has handle casing 9, the inside left of described handle casing 9 to be provided with wireless
Radio road 7, described holding wire 5 is connected with radio transmitter 7, and the right side of described radio transmitter 7 connects electricity
Source control module 8, the right side of described power management module 8 connects chargeable lithium cell 11, described chargeable lithium cell
The right side of 11 connects switch 12 and charging plug 13, and the upside of described radio transmitter 7 connects transmitting antenna 10, institute
The thickness of the protective coating 6 stated is 0.8-1.2mm, and described minisize pick-up head 3 is CMOS minisize pick-up head 3, described light source
LED2 is LED paster light source, and described socket is DC charging socket, and described handle casing 9 is hand grip of aluminum alloy.
The present invention is when implementing, and when clinic carries out tracheal intubation operation, only need to lead on core retainer plate one by intubating wireless visible
Secondary property thin film protection sleeve pipe, opens in being inserted into endotracheal tube and switchs, by wireless transmission signal, image information shown
Show on a display screen, by observing video image, can simple, light, quick, accurate, safe and effective complete to intubate, no
Rely on the experiential operating of doctor, the most scientific visual complete intubation, other medical apparatus and instruments mustn't be relied on, letter
Operation sequence, save a large amount of operating time and complexity, save more energy for doctor, for rescue life strive for
Time earlier, reducing the generation of medical-risk accident, that the visual catheter core of this product have employed pliability is the most medical
Level plastic-aluminum alloy, can become variously-shaped by bent for shaping repeatedly, and outer wall uses Teflon figure layer to process, and Teflon has insulation light
Sliding characteristic, will not adsorb adhesion organization's liquid, be not likely to produce cut, is difficult to breed bacteria, and is easy to sterilization.At main body tube core
Tube chamber head end is integrated embedded in CMOS minisize pick-up head, and focal length is set as effective visual range, and has suburbs auto-focusing merit
Can, the head end at photographic head is provided with white light paster LED chip, as light source light filling, LED paster light source have less volume with
Preferably color rendering index, and luminous efficiency is high, higher energy-saving effect, and cold light source non-thermal radiation will not scald tissue.Taking the photograph
The head end sealing being combined with tube core as head is fixed with emergence eyeglass, and this eyeglass has higher light transmittance, and emergence processes, permissible
Effectively prevent eyeglass mist from covering, adhesion organization's liquid, thus ensure the most visual of video image acquisition.Minisize pick-up head is by anti-
Disturb the signal transmssion line with screen layer that picture signal is transferred to wireless video image radiating circuit module, turned by A/D
Change, analogue signal is converted into digital signal and designs to emission, wireless module pressure measurement manifold type film antenna, there is smaller body
Long-pending and stronger emission function feature.Analogue signal transmission is being converted digital signals into by wireless receiving circuit modulation /demodulation
Display real time video image is regarded to general purpose display.Built-in power management module DC/DC is that radio transmitter module is with miniature
Photographic head provides stable supply of electric power, and power management module uses efficient DC/DC to change inverter circuit, and has Charge Management
Protection allocation unit, is effectively improved product whole service life and stability.The Charge Management unit of power management module and lithium
Ion charging battery connects, it is achieved charges and power supply two-way operation, ensures the work of whole system stability and high efficiency, at power management mould
Block is circumscribed with DC charging socket, can conveniently be connected with external charger, and DC charging connector is designed with sealed gum cap, anti-
Only liquid enters with foreign body.Whole circuit part is fixed in the handle unit of aluminum alloy materials, and hand grip of aluminum alloy has higher
Protection intensity possess again preferable shielding, be possible to prevent circuit to interfere, and sterilization be convenient.Head end at handle is arranged
Packed activate switch, in order to start the work of whole system circuit, switch uses dual silver electric shock, is greatly improved product
Service life be the stability with product.Product global design is the degree of protection of IP65, can effectively prevent liquid with different
Thing enters internal damage electric elements.At the protecting film bag that tube core overcoat last layer is transparent during use, transparent protecting film bag is adopted
With disposable design, the present invention has that light and handy flexible operating is convenient, tracheal intubation difficulty is relatively low, simple in construction, pliability in a word
Preferably advantage.
Claims (6)
1. wireless tracheal intubation visually leads a core, and it includes tube core, it is characterised in that: the left end of described tube core is provided with micro-
Type photographic head, the left end of described minisize pick-up head is provided with emergence eyeglass, and the right side of described emergence eyeglass connects light source
LED, the right side of described minisize pick-up head connects holding wire, and wrapping around of described tube core is provided with protective coating, institute
The right-hand member of the tube core stated connects handle casing, and the inside left of described handle casing is provided with radio transmitter, described
Holding wire be connected with radio transmitter, the right side of described radio transmitter connects power management module, described
The right side of power management module connect and have chargeable lithium cell, the right side of described chargeable lithium cell connects to be had switch and fills
Plug, the upside of described radio transmitter connects transmitting antenna.
A kind of wireless tracheal intubation the most as claimed in claim 1 visually leads core, it is characterised in that: the thickness of described protective coating
Degree is 0.8-1.2mm.
A kind of wireless tracheal intubation the most as claimed in claim 1 visually leads core, it is characterised in that: described minisize pick-up head is
CMOS minisize pick-up head.
A kind of wireless tracheal intubation the most as claimed in claim 1 visually leads core, it is characterised in that: described light source led is LED
Paster light source.
A kind of wireless tracheal intubation the most as claimed in claim 1 visually leads core, it is characterised in that: described socket is DC charging
Socket.
A kind of wireless tracheal intubation the most as claimed in claim 1 visually leads core, it is characterised in that: described handle casing is aluminum
Alloy handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610523418.XA CN106039513A (en) | 2016-07-06 | 2016-07-06 | Wireless visual guide core for tracheal intubation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610523418.XA CN106039513A (en) | 2016-07-06 | 2016-07-06 | Wireless visual guide core for tracheal intubation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106039513A true CN106039513A (en) | 2016-10-26 |
Family
ID=57201867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610523418.XA Pending CN106039513A (en) | 2016-07-06 | 2016-07-06 | Wireless visual guide core for tracheal intubation |
Country Status (1)
| Country | Link |
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| CN (1) | CN106039513A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107510432A (en) * | 2017-07-12 | 2017-12-26 | 高长胜 | The visual 3D endoscopes of bootable trachea cannula |
| CN109717827A (en) * | 2019-02-26 | 2019-05-07 | 上海欧太医疗器械有限公司 | Fine soft video laryngoscope |
| WO2019119216A1 (en) * | 2017-12-18 | 2019-06-27 | 芮科生医股份有限公司 | Body cavity lighting apparatus for body |
| CN110384472A (en) * | 2018-04-21 | 2019-10-29 | 陈广民 | WIFI signal transmission is visually intubated hard mirror |
| CN110769878A (en) * | 2017-06-06 | 2020-02-07 | 西医药服务有限公司 | Elastomeric article with embedded electronics and method of making same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110769878A (en) * | 2017-06-06 | 2020-02-07 | 西医药服务有限公司 | Elastomeric article with embedded electronics and method of making same |
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| WO2019119216A1 (en) * | 2017-12-18 | 2019-06-27 | 芮科生医股份有限公司 | Body cavity lighting apparatus for body |
| CN110384472A (en) * | 2018-04-21 | 2019-10-29 | 陈广民 | WIFI signal transmission is visually intubated hard mirror |
| CN109717827A (en) * | 2019-02-26 | 2019-05-07 | 上海欧太医疗器械有限公司 | Fine soft video laryngoscope |
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Application publication date: 20161026 |
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