CN110115795A - Functional trachea cannula - Google Patents
Functional trachea cannula Download PDFInfo
- Publication number
- CN110115795A CN110115795A CN201910431097.4A CN201910431097A CN110115795A CN 110115795 A CN110115795 A CN 110115795A CN 201910431097 A CN201910431097 A CN 201910431097A CN 110115795 A CN110115795 A CN 110115795A
- Authority
- CN
- China
- Prior art keywords
- fixing sleeve
- trachea cannula
- domes
- fastening
- ontology
- 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.)
- Granted
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
- 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
-
- 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
- A61M16/0463—Tracheal tubes combined with suction tubes, catheters or the like; Outside connections
-
- 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
- A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
- A61M16/049—Mouthpieces
- A61M16/0493—Mouthpieces with means for protecting the tube from damage caused by the patient's teeth, e.g. bite block
-
- 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
- A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
- A61M16/0497—Tube stabilizer
Abstract
The present invention relates to a kind of functional trachea cannulas, the functionality trachea cannula includes trachea cannula ontology, further include: fixing sleeve is set on trachea cannula ontology and the first domes and the second domes by surrounding the through-hole structure that gas supply cannula ontology passes through forms；Connection component, for connecting two first domes and the second domes；Fastening assembly, for fixing sleeve to be fastened on trachea cannula ontology or is unclamped from trachea cannula ontology；Slide track component slidably reciprocates along trachea cannula ontology for fixing sleeve and limits to fixing sleeve；Bite block is arranged on fixing sleeve and is used for dental articulation；Limit assembly is arranged on fixing sleeve and for preventing fixing sleeve mobile to cavity interior.Convenient for fixing sleeve is adjusted to suitable position so that trachea cannula ontology to be fixed.
Description
Technical field
The invention belongs to endotracheal intubation fields, and in particular to a kind of functionality trachea cannula.
Background technique
Trachea cannula is generally made of intubation, air bag, gas tube and suction tube component.Trachea cannula is placed in gas through glottis
Pipe, after merging, trachea cannula may shake or fall off back and forth, once trachea cannula slips, will cause the injury again to patient.
Trachea cannula shakes or falls off back and forth in order to prevent, settable fixator for tracheal cannule.Existing fixator for tracheal cannule
Mostly be with trachea cannula with trachea cannula split settings, and while being fixed on trachea cannula, is more difficult, is fixed on trachea cannula
After upper, it has not been convenient to move back and forth along trachea cannula.
Summary of the invention
The object of the present invention is to provide a kind of functional trachea cannulas to solve the fixation device of existing trachea cannula not
Facilitate the technical issues of also inconvenience moves back and forth along trachea cannula after fixing and fixing.
In order to achieve the goal above, the technical scheme adopted by the invention is as follows: functional trachea cannula, including trachea cannula sheet
Body,
Further include:
Fixing sleeve is set on trachea cannula ontology and supplies the first of the through-hole structure that cannula ontology passes through by surrounding
Domes and the second domes composition；
Connection component, for connecting two first domes and the second domes；
Fastening assembly, for fixing sleeve to be fastened on trachea cannula ontology or is unclamped from trachea cannula ontology；
Slide track component slidably reciprocates along trachea cannula ontology for fixing sleeve and limits to fixing sleeve；
Bite block is arranged on fixing sleeve and is used for dental articulation；
Limit assembly is arranged on fixing sleeve and for preventing fixing sleeve mobile to cavity interior.
Further, the connection component includes connecting rod, for the both ends of connecting rod to be respectively hinged at the first arch
Structure and the articulation piece on the second domes and the link slot for accommodating articulation piece and connecting rod, the first domes and
Second domes are fastened so that plane is corresponding, and link slot, connecting rod and articulation piece setting are encircleed in the first domes and second
The buckling surface of shape structure, connecting rod by articulation piece retract or stretch out link slot with by two domes of fixing sleeve separation and
It fastens.
Further, the fastening assembly includes the binding groove being arranged on the first domes and setting in the second arch
Fastening block in shape structure, fastening block include the fastening column connecting with the second domes and tight in binding groove for being inserted into
Fixed end head.
Further, the fastening end is pyramidal or cone-shaped, the stub end of pyramidal or cone-shaped fastening end
It is connect with fastening column, fastening column is cylindrical structure, and the diameter for fastening column is less than the big of pyramidal or cone-shaped fastening end
The diameter of head end；Fastening end is made of elastic material, and the opening of binding groove is less than the diameter of the stub end of fastening end and big
In the diameter of the small head end of fastening end.
Further, the slide track component include the trachea cannula ontology for being arranged on the inside of fixing sleeve be slidably matched it is first sliding
Rail and be arranged in trachea cannula outer body the cooperation of the first sliding rail the second sliding rail, the both ends of the second sliding rail be equipped with for pair
The limited step that fixing sleeve is limited.
Further, first sliding rail is the sliding slot being arranged in fixing sleeve, and the second sliding rail is to be arranged in trachea cannula
The raised line of outer body, trachea cannula ontology are equipped with the reduced diameter section that one section of diameter is less than trachea cannula ontology, and raised line setting exists
The length of the reduced diameter section and raised line is consistent with the length of reduced diameter section, and the both ends of raised line are arranged in limited step.
Further, the limit assembly includes two limit plates being separately fixed on domes, limit plate inside
Equipped with the arc groove matched with fixing sleeve shape, limit plate is along the axially extending of fixing sleeve.
Further, limiting slot and limited block that limit plate is fixed, limit are respectively provided on two limit plates
Position slot and limited block are separately positioned on two faces of limit plate joint；Limited block includes the limit connecting with the second domes
Position column and the limit end for being inserted into limiting slot；Limit end is pyramidal or cone-shaped, pyramidal or cone-shaped limit
The stub end of position end is connect with limited post, and limited post is cylindrical structure, and the diameter of limited post is less than pyramidal or cone-shaped
Limit end stub end diameter.
Further, the limit plate is fixed on the outside of fixing sleeve, is equipped on the outside of fixing sleeve and fixes with limit plate
L-type card slot, limit plate is equipped with the fixture block that cooperates with L-type card slot, and L-type card slot includes the first card slot for being mutually perpendicular to and being connected to
With the second card slot, the first card slot is radially extended along the axially extending of fixing sleeve, the second card slot along fixing sleeve, the fixture block of limit plate
Enter from the first card slot and be moved to the second card slot and is fixed up to fixing limit plate.
Further, the bite block includes the semi-ring being separately fixed on the first domes and the second domes
Shape bite-block plate is made of the outer wall of fixing sleeve, and the outside of fixing sleeve is flat structure to form the bite block.
Beneficial effects of the present invention:
Functional trachea cannula of the invention, it is external that fixing sleeve is set in trachea cannula sheet, plays to trachea cannula ontology
The effect supported and fixed, fixing sleeve are fastened by two domes, and two domes are connected to by connection component
Together, it so that fixing sleeve is covered always on trachea cannula ontology, does not separate with trachea cannula, and by setting slide track component, makes
When must adjust connection component so that two domes separate, fixing sleeve can move back and forth along trachea cannula ontology, to adjust gas
Relative position between cannula ontology and fixing sleeve, convenient for fixing sleeve is adjusted to suitable position to trachea cannula ontology
It is fixed.
Fastening assembly can be fixed fixing sleeve after fixing sleeve is moved to suitable position, so that fixing sleeve and tracheae
Relative position between intubation ontology is fixed, and prevents fixing sleeve from moving back and forth on trachea cannula ontology, to prevent tracheae from inserting
Pipe falls off, and when needing the position of mobile fixing sleeve, fastening assembly is also adjusted, so that fixing sleeve is unclamped from trachea cannula.
Limit assembly is arranged on fixing sleeve, when specifically used, the outside of the oral area of user can be placed in, with user's
Oral area cooperation, forms the structure of sucked type, prevents trachea cannula ontology mobile to the cavity interior of user, to trachea cannula sheet
Body plays position-limiting action.
The bite block of setting uses dental articulation convenient for user, and further to fixing sleeve and trachea cannula ontology into
Row is fixed.
Detailed description of the invention
Fig. 1 is functional trachea cannula schematic structural cross-sectional view in embodiment 1；
Fig. 2 is functional trachea cannula exploded structural schematic diagram in embodiment 1；
Fig. 3 is functional trachea cannula exploded structural schematic diagram in embodiment 1 (limit plate is separated with fixing sleeve).
In figure: 1, trachea cannula ontology；11, reduced diameter section；2, fixing sleeve；21, the first domes；22, the second arch
Structure；23, L-type card slot；231, the first card slot；232, the second card slot；3, connection component；31, connecting rod；32, articulation piece；33,
Link slot；4, fastening assembly；41, binding groove；42, fastening block；421, column is fastened；422, end is fastened；5, slide track component；51,
Sliding slot；52, raised line；6, bite block；7, limit plate；71, limiting slot；72, limited block；721, limited post；722, end is limited；
73, fixture block；8, limited step.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
The embodiment of functional trachea cannula is as shown in Figs. 1-3 in the present invention.
Embodiment 1
The functional trachea cannula of the present embodiment, including trachea cannula ontology 1, fixing sleeve 2, connection component 3, fastening assembly
4, slide track component 5, bite block 6, limit assembly.
Fixing sleeve 2 is the through-hole structure for being set on trachea cannula ontology 1 and being passed through by surrounding gas supply cannula ontology 1
The tubular structure of first domes 21 and the second domes 22 composition.
Connection component 3 can connect two first domes and the second domes and to the first domes and
The relative position of two domes is defined.Connection component 3 includes connecting rod 31, for cutting with scissors at the both ends of connecting rod 31 respectively
Meet the articulation piece 32 on the first domes and the second domes and the company for accommodating articulation piece 32 and connecting rod 31
Access slot 3333, the first domes and the second domes are fastened so that plane is corresponding, link slot 33, connecting rod 31 and articulation piece
32 are arranged in the buckling surface of the first domes and the second domes, and connecting rod 31 retracts or stretch out connection by articulation piece 32
Slot 33 is to separate two domes of fixing sleeve 2 and fasten.Articulation piece 32 is hinged shaft, and hinged shaft is arranged in link slot 33 the
Link slot 33 is equipped on one domes and the second domes.
Fixing sleeve 2 can be fastened on trachea cannula ontology 1 or unclamp from trachea cannula ontology 1 by fastening assembly 4.Fastening
Component 4 includes the binding groove 41 being arranged on the first domes and the fastening block 42 being arranged on the second domes, tightly
Gu slot 41 is equipped with multiple, and multiple binding grooves 41 or so are arranged at intervals on the first domes, the position that fastening block 42 is arranged
Corresponding with binding groove 41 with quantity, the shape of binding groove 41 and the shape of fastening block 42 are adapted.Fastening block 42 includes and
The fastening column 421 that two domes connect and the fastening end 422 for being inserted into binding groove 41.Fastening end 422 is cone
The stub end of mesa-shaped, pyramidal fastening end 422 is connect with fastening column 421, and fastening column 421 is cylindrical structure, fastens column 421
Diameter be less than pyramidal fastening end 422 stub end diameter.Fastening end 422 is made of elastic material, binding groove
41 opening is less than the diameter of the stub end of fastening end 422 and is greater than the diameter of the small head end of fastening end 422.Fasten end
422 one end diameter is smaller, can be inserted into binding groove 41, and the other end of fastening end 422 is relatively large in diameter, and needs firmly have
The fastening end 422 of elasticity is by binding groove 41 is pressed into, after fastening end 422 enters in binding groove 41, in the work of not external force
Under, fastening end 422 can not be detached from the fixation, it can be achieved that fixing sleeve 2 out of binding groove 41.
Slide track component 5 slidably reciprocates along trachea cannula ontology 1 for fixing sleeve 2 and limits to fixing sleeve 2.Sliding rail
Component 5 includes that the trachea cannula ontology 1 of the inside of fixing sleeve 2 is arranged in be slidably matched and the first sliding rail and be arranged in trachea cannula sheet
Second sliding rail of the first sliding rail cooperation in 1 outside of body, the both ends of the second sliding rail are equipped with the limit for being limited to fixing sleeve 2
Step 8.First sliding rail is the sliding slot 51 being arranged in fixing sleeve 2, and sliding slot 51 is recessed on the inner wall of fixing sleeve 2,51 edge of sliding slot
Fixing sleeve 2 it is axially extending.Second sliding rail is the raised line 52 that 1 outside of trachea cannula ontology is arranged in, and raised line 52 is along trachea cannula
Ontology 1 it is axially extending.Trachea cannula ontology 1 is equipped with the reduced diameter section 11 that one section of diameter is less than trachea cannula ontology 1, raised line 52
Reduced diameter section is set and the length of raised line 52 and the length of reduced diameter section are consistent, the both ends of raised line 52 are arranged in limited step 8,
Limited step 8 is the cyclic structure that the outside of trachea cannula ontology 1 is located at along the radial convex of trachea cannula ontology 1, limited step 8 to
The width of outer projection is greater than the length of connecting rod 31, and limited step 8 can limit fixing sleeve 2, prevent fixing sleeve 2 excessively to
It above or moves down, fixing sleeve 2 is prevented to be detached from trachea cannula ontology 1 under releasing orientation.
Limit assembly is arranged on fixing sleeve 2 and for preventing fixing sleeve 2 mobile to cavity interior.Limit assembly includes point
Two limit plates 7 not being fixed on domes, limit plate inside are equipped with the arc groove matched with 2 shape of fixing sleeve, limit
Position plate 7 is along the axially extending of fixing sleeve 2.It is respectively provided on two limit plates 7 by the fixed limiting slot 71 of limit plate and limit
Position block 72, limiting slot and limited block are separately positioned on two faces of limit plate joint.Limited block 72 includes and the second arch
The limited post 721 that structure connects and the limit end 722 for being inserted into limiting slot.Limit end 722 is pyramidal, frustum
The stub end of shape limit end is connect with limited post, and limited post 721 is cylindrical structure, and the diameter of limited post 721 is less than frustum
The diameter of the stub end of the limit end of shape.Limit end is made of elastic material, and the opening of limiting slot is less than limit end
The diameter of the diameter of stub end and the small head end greater than limit end.
Limit plate is fixed on the outside of fixing sleeve 2, is equipped with the L-type card slot 23 fixed with limit plate on the outside of fixing sleeve 2,
L-type card slot is equipped with multiple and multiple L-type card slots along 2 circumference uniform distribution of fixing sleeve.Limit plate 7 is equipped with the card cooperated with L-type card slot
Block 73, L-type card slot 23 include the first card slot 231 and the second card slot 232 for being mutually perpendicular to and being connected to, and the first card slot is along fixing sleeve 2
It is axially extending, the second card slot is radially extended along fixing sleeve 2, and the fixture block of limit plate enters from the first card slot and is moved to second
Card slot is fixed until limit plate is fixed.Fixture block cooperates with card slot, it can be achieved that limit plate connects with the detachable of fixing sleeve 2
It connects, even if convenient for replacing limit plate when limit plate is contaminated.
Bite block 6 is arranged on fixing sleeve 2 and is used for dental articulation.Bite block 6 is made of the outer wall of fixing sleeve 2,
The outside of fixing sleeve 2 is flat structure to form bite block 6, and the outside of fixing sleeve 2 is equipped with the planar junction for dental articulation
Structure.
Embodiment 2
The present embodiment described function trachea cannula, general configuration and embodiment 1 are consistent, but with embodiment 1
Be not both: fastening end is centrum shape, and the stub end of centrum shape fastening end is connect with fastening column 421, and fastening column is cylinder
Structure, fasten column diameter be less than centrum shape fastening end stub end diameter.
Embodiment 3
The present embodiment described function trachea cannula, general configuration and embodiment 1 are consistent, but with embodiment 1
Be not both: limit end be it is cone-shaped, it is cone-shaped limit end stub end connect with limited post, limited post be cylinder tie
Structure, the diameter of limited post are less than the diameter of the stub end of cone-shaped limit end.
Embodiment 4
The present embodiment described function trachea cannula, general configuration and embodiment 1 are consistent, but with embodiment 1
Be not both: bite block includes the semi-circular bite-block plate being separately fixed on the first domes and the second domes, semi-ring
Shape bite-block sleeve-board is located on the outside of fixing sleeve and semi-circular bite-block board is solid in the outside of fixing sleeve.
Claims (10)
1. functional trachea cannula, including trachea cannula ontology, which is characterized in that
Further include:
Fixing sleeve is set on trachea cannula ontology and is supplied by surrounding the first arch of the through-hole structure that cannula ontology passes through
Structure and the second domes composition；
Connection component, for connecting two first domes and the second domes；
Fastening assembly, for fixing sleeve to be fastened on trachea cannula ontology or is unclamped from trachea cannula ontology；
Slide track component slidably reciprocates along trachea cannula ontology for fixing sleeve and limits to fixing sleeve；
Bite block is arranged on fixing sleeve and is used for dental articulation；
Limit assembly is arranged on fixing sleeve and for preventing fixing sleeve mobile to cavity interior.
2. functionality trachea cannula according to claim 1, which is characterized in that the connection component includes connecting rod, uses
In the articulation piece that the both ends of connecting rod are respectively hinged on the first domes and the second domes and it is used to accommodate hinge
The link slot of fitting and connecting rod, the first domes and the second domes are fastened so that plane is corresponding, link slot, connecting rod with
And the buckling surface of the first domes and the second domes is arranged in articulation piece, connecting rod, which is retracted or stretched out by articulation piece, to be connected
Access slot is to separate two domes of fixing sleeve and fasten.
3. functionality trachea cannula according to claim 1, which is characterized in that the fastening assembly includes being arranged first
Binding groove on domes and the fastening block being arranged on the second domes, fastening block includes and the second domes connect
The fastening column connect and the fastening end for being inserted into binding groove.
4. functionality trachea cannula according to claim 3, which is characterized in that the fastening end is pyramidal or cone
The stub end of shape, pyramidal or cone-shaped fastening end is connect with fastening column, and fastening column is cylindrical structure, fastens the diameter of column
Less than the diameter of the stub end of pyramidal or cone-shaped fastening end；Fastening end is made of elastic material, and binding groove is opened
Mouth is less than the diameter of the stub end of fastening end and is greater than the diameter of the small head end of fastening end.
5. functionality trachea cannula according to claim 1, which is characterized in that the slide track component includes being arranged in fixation
Set inside trachea cannula ontology be slidably matched the first sliding rail and be arranged in trachea cannula outer body the first sliding rail cooperation
The second sliding rail, the both ends of the second sliding rail are equipped with the limited step for being limited to fixing sleeve.
6. functionality trachea cannula according to claim 5, which is characterized in that first sliding rail is to be arranged in fixing sleeve
Interior sliding slot, the second sliding rail are the raised line that trachea cannula outer body is arranged in, and trachea cannula ontology is equipped with one section of diameter and is less than
The length of the reduced diameter section and raised line and the length one of reduced diameter section is arranged in the reduced diameter section of trachea cannula ontology, raised line
It causes, the both ends of raised line are arranged in limited step.
7. functionality trachea cannula according to claim 1, which is characterized in that the limit assembly includes being separately fixed at
Two limit plates on domes, limit plate inside are equipped with the arc groove matched with fixing sleeve shape, and limit plate is along fixed
What is covered is axially extending.
8. functionality trachea cannula according to claim 7, which is characterized in that be respectively equipped with use on two limit plates
In limiting slot and limited block that limit plate is fixed, limiting slot and limited block are separately positioned on two faces of limit plate joint
On；Limited block includes the limited post connecting with the second domes and the limit end for being inserted into limiting slot；Positive stop end
Head be it is pyramidal or cone-shaped, the stub end of pyramidal or cone-shaped limit end connect with limited post, and limited post is cylindrical
Structure, the diameter of limited post are less than the diameter of the stub end of pyramidal or cone-shaped limit end.
9. functionality trachea cannula according to claim 7, which is characterized in that the limit plate is fixed on fixing sleeve
Outside, the L-type card slot fixed with limit plate is equipped on the outside of fixing sleeve, limit plate is equipped with the fixture block cooperated with L-type card slot, L
Type card slot includes the first card slot and the second card slot for being mutually perpendicular to and being connected to, and the first card slot is along the axially extending of fixing sleeve, and second
Card slot is radially extended along fixing sleeve, and the fixture block of limit plate enters from the first card slot and is moved to the second card slot up to by limit plate
It fixes and fixes.
10. functionality trachea cannula according to claim 1, which is characterized in that the bite block includes fixing respectively
Semi-circular bite-block plate on the first domes and the second domes is made of, the outside of fixing sleeve the outer wall of fixing sleeve
It is flat structure to form the bite block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910431097.4A CN110115795B (en) | 2019-05-22 | 2019-05-22 | Functional trachea cannula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910431097.4A CN110115795B (en) | 2019-05-22 | 2019-05-22 | Functional trachea cannula |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110115795A true CN110115795A (en) | 2019-08-13 |
| CN110115795B CN110115795B (en) | 2021-12-24 |
Family
ID=67522998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910431097.4A Active CN110115795B (en) | 2019-05-22 | 2019-05-22 | Functional trachea cannula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110115795B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111345919A (en) * | 2020-03-19 | 2020-06-30 | 大连医科大学 | Small animal trachea cannula auxiliary device |
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| CN208319672U (en) * | 2017-12-31 | 2019-01-04 | 何智群 | A kind of division of respiratory disease is dedicated convenient for fixed gas-guide tube |
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| CN201710781U (en) * | 2010-06-09 | 2011-01-19 | 四川大学华西医院 | Trachea cannula for preventing occlusion caused by teeth-clenching |
| CN201735037U (en) * | 2010-06-25 | 2011-02-09 | 祝平 | Trachea catheter with sliding tooth cushion |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111345919A (en) * | 2020-03-19 | 2020-06-30 | 大连医科大学 | Small animal trachea cannula auxiliary device |
| CN111345919B (en) * | 2020-03-19 | 2021-11-09 | 大连医科大学 | Small animal trachea cannula auxiliary device |
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| Publication number | Publication date |
|---|---|
| CN110115795B (en) | 2021-12-24 |
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