CN209301949U - A kind of cannula core for tracheal catheter - Google Patents
A kind of cannula core for tracheal catheter Download PDFInfo
- Publication number
- CN209301949U CN209301949U CN201821602085.0U CN201821602085U CN209301949U CN 209301949 U CN209301949 U CN 209301949U CN 201821602085 U CN201821602085 U CN 201821602085U CN 209301949 U CN209301949 U CN 209301949U
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- CN
- China
- Prior art keywords
- contact
- guide portion
- control unit
- tracheal catheter
- alarm unit
- 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.)
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Abstract
The utility model discloses a kind of cannula cores for tracheal catheter comprising the guide portion of hollow structure, human contact's switch, the control unit connecting with guide portion rear end and the alarm unit being arranged on guide portion or control unit that guide portion front end is arranged in；Two contacts of human contact's switch are serially connected in the current supply circuit of alarm unit, and when human contact's switch is contacted with tissue, human contact, which switchs stress movement, makes two contact short circuits of human body contact-making switch be powered, alarm unit work；When human contact's switch is not contacted with tissue, two contacts of human contact's switch are disconnected, and alarm unit stops working.Operator can be warned to change direction when cannula core direction of advance mistake, the especially unskilled operator of operator is instructed, the speed and accuracy for finding position of trachea is improved, reduces to patient's mouth and pharyngeal damage, improves intubation efficiency.
Description
Technical field
The utility model relates to a kind of tracheal catheter cannula-assisted tools, more particularly to a kind of inserting for tracheal catheter
Pipe tube core.
Background technique
Tracheal catheter is that a kind of device of open airway, direct oral cavity or nasal cavity are inserted into intratracheally by glottis, can be used for controlling
System breathing, ensures respiration unobstructed.Existing tracheal catheter needs auxiliary using laryngoscope, cannula core, optical wand, Bronchofiberscope etc. when inserting
Help equipment, wherein cannula core guidance tracheal intubation is that one kind is easy to train, and is easily mastered, simple and effective, recycles shadow to patient
Sound is smaller, can be used for normal air flue and be used for the endotracheal intubation of difficult airway.
Cannula core is generally the metal strip of the outer shaping for wrapping up in plastics, and main purpose is guidance, moulding tracheal catheter, when
After tracheal catheter reaches person's windpipe, then pull out cannula core.For the success rate for improving intubation, optical wand is used as in the prior art
Cannula core guides tracheal catheter.Optical wand is a flexible metal catheter, and front end is equipped with light bulb, tail portion equipped with battery and
Switch when intubation, tracheal catheter is covered on optical wand, according to the anatomical structure of human body pars oralis pharyngis, optical wand/conduit is bent into conjunction
Suitable J-shaped when intubation, is entered intratracheal using the principle observation guidance tracheal catheter of neck soft light transmission, is gas under blind spy
Cannula provides visual index, thus can effectively improve successful intubation.
But the use of optical wand carries out under " half-blindness " situation after all, it may be to disease for the operator for being familiar with it
People's stimulation less, and for the beginner of optical wand or difficult airway, is difficult accurately to search out position of trachea, due to light
Stick has certain hardness, is easy to damage patient's organ-tissue, causes patient's trachyphonia, oral cavity and pharyngeal damage, or even can endanger
And the life of patient, cause serious malpractice.
Utility model content
The utility model aims to solve at least the technical problems existing in the prior art, especially innovatively proposes a kind of use
In the cannula core of tracheal catheter.
In order to realize the above-mentioned purpose of the utility model, the utility model provides a kind of intubation pipe for tracheal catheter
Core comprising the guide portion of hollow structure, human contact's switch that guide portion front end is arranged in are connect with the guide portion rear end
Control unit and the alarm unit that is arranged on guide portion or control unit；
The output end of the power supply of the feeder ear and control unit of the alarm unit is electrically connected；
Two contacts of human contact's switch are serially connected in the current supply circuit of alarm unit, as human contact's switch and people
When body tissue contacts, human contact, which switchs stress movement, makes two contact short circuits of human body contact-making switch be powered, alarm unit work；
When human contact's switch is not contacted with tissue, two contacts of human contact's switch are disconnected, and alarm unit stops working.
Having the beneficial effect that for above-mentioned technical proposal is switched in cannula core front end provided with human contact, works as human contact
When switch is contacted with tissue, human contact, which switchs stress movement, makes two contact short circuits of human body contact-making switch be powered, warning
Cell operation can warn operator's front cannula tube core direction of advance mistake, need to change direction, can be outstanding to operator
It is that unskilled operator carries out intubation guidance, improves the speed and accuracy for finding position of trachea, reduces to disease population
Chamber and pharyngeal damage, improve intubation efficiency.
In a kind of preferred embodiment of the utility model, human contact switch includes that sliding part and being fixed on draws
Lead the first contact and the second contact of portion's hollow cavity inner wall；
The sliding part includes the contact for stretching out guide portion, is located in guide portion hollow cavity and the first contact and the second touching
The sliding block that point is oppositely arranged is arranged between contact and the sliding block of conduction and has elastic component.
Having the beneficial effect that for above-mentioned technical proposal discloses a kind of structure type of human contact's switch, and the structure is simple
Reliably, human oral cavity interior tissue and the contact force between it efficiently and accurately can be converted into moving displacement and makes the first touching
Point and the second contact short circuit are powered, and alarm unit is made to work.
In a kind of preferred embodiment of the utility model, the end face of the contact is spherical shape.
Above-mentioned technical proposal has the beneficial effect that spherical end surface keeps contact smaller to oral cavity tissue cellular damage.
It further include light-conductive optic fibre in a kind of preferred embodiment of the utility model；Described light-conductive optic fibre one end and control
Light source outlet connection in portion processed, the other end sequentially pass through the hollow cavity and the interior light passing opened up along axial direction of sliding part of guide portion
Hole.
Having the beneficial effect that the light-output of light source through light-conductive optic fibre in the front end of guide portion for above-mentioned technical proposal be
It is inserted into conduit and illumination and intubation reference is provided, improve intubation efficiency, evaded and the lamp at light guide section front end is arranged in headlamp
Bubble falls the risk of respiratory tract.
In a kind of preferred embodiment of the utility model, the sliding part is provided in the axial direction with light hole, described logical
Display lamp is placed in unthreaded hole, the output end of the power supply of the first end and control unit of the display lamp is electrically connected, and the of display lamp
Two ends and control unit are electrically connected to ground.
Having the beneficial effect that for above-mentioned technical proposal provides illumination and intubation reference using display lamp for insertion conduit, improves
Intubation efficiency, cost is relatively low, structure is simple.
In a kind of preferred embodiment of the utility model, internal diameter of the light hole on contact end face is less than display
The diameter of lamp.
The having the beneficial effect that of above-mentioned technical proposal, which has been evaded, to be arranged the light bulb at light guide section front end for headlamp and falls breathing
The risk in road.
In a kind of preferred embodiment of the utility model, stating alarm unit is LED light, the LED light distance guidance
Portion front end 6 is to 12cm.
Above-mentioned technical proposal has the beneficial effect that cost is relatively low, and circuit structure is simple convenient for operator's observation.
In a kind of preferred embodiment of the utility model, the alarm unit is the buzzer positioned at control unit.
Guide portion structure has been simplified in having the beneficial effect that for above-mentioned technical proposal, more preferable with auditory tone cues effect, and operator is not
The state of attention alarm unit is gone with separate section sight.
In a kind of preferred embodiment of the utility model, the guide portion is J-shaped.
Having the beneficial effect that for above-mentioned technical proposal meets organization of human body, is convenient for intubation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one specific embodiment of the utility model；
Fig. 2 is the partial enlargement diagram that light-conductive optic fibre is set in guide portion in one specific embodiment of the utility model；
Fig. 3 is the partial enlargement diagram of the guide portion in-built lighting lamp in one specific embodiment of the utility model.
Appended drawing reference:
1 guide portion；2 alarm units；3 human contacts switch；4 control units；5 light sources；6 power supplys；7 power switches；8 guide-lighting light
It is fine；9 contacts；10 elastic elements；11 sliding blocks；12 first contacts；13 second contacts；14 light holes；15 conducting wires；16 display lamps.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the company being also possible to inside two elements
It is logical, it can be directly connected, can also indirectly connected through an intermediary, for the ordinary skill in the art, it can
To understand the concrete meaning of above-mentioned term as the case may be.
The utility model discloses a kind of cannula cores for tracheal catheter, as shown in Figure 1, including drawing for hollow structure
Portion 1, human contact's switch 3 that 1 front end of guide portion is arranged in, the control unit 4 connecting with 1 rear end of guide portion and setting is led to draw
Lead the alarm unit 2 on portion 1 or control unit 4；
The feeder ear of alarm unit 2 is electrically connected with the output end of the power supply 6 of control unit 4；3 two, human contact's switch touchings
Point is serially connected in the current supply circuit of alarm unit 2, when human contact's switch 3 and tissue contact, human contact's switch 3 by
Power is mobile to make 3 two contact short circuits of human body contact-making switch be powered, and alarm unit 2 works；When human contact's switch 3 not with human body
When tissue contact, two contacts of human contact's switch 3 are disconnected, and alarm unit 2 stops working.
In the present embodiment, guide portion 1 can be copper pipe or plastic tube with certain plasticity, and control unit 4 can be gold
Belong to cavity or plastic chamber, the rear end of guide portion 1 and the connection type of control unit 4 are preferably dismountable, by screwing or
Person's plug realization connects or disconnects, and specific connection type can be to be threadedly coupled, connector connection of plug-in type etc..
In the present embodiment, the structure of human contact's switch 3 is preferably but not limited to as flexible keypad form.Alarm unit
2 are preferably but not limited to as indicator light and/or buzzer etc..The power supply 6 of control unit 4 is preferably battery, to simplify structure；For convenient for
Control unit is reused, battery is dismountable.Preferably, it is provided with power switch 7 on the power supply output loop of power supply 6,
Convenient for cutting off and opening power supply, power switch 7 can be rotary switch or key switch or toggle switch etc..
In the present embodiment, guide portion 1 is inserted into person's windpipe by operator, during insertion, if alarm unit 2 is sent out
It warns out, indicates that human contact's switch 3 of 1 front end of guide portion is inserted on Liao Fei tracheal tissue or tracheal wall, be not intratracheally, to insert
Enter anisotropy, needs operator to change direction of insertion, guide operator to be intubated in this way.Tracheal catheter can be set in guide portion
Guide portion 1 is extracted again after being inserted into tracheae together with guide portion 1 in 1 outside；Or guide portion 1 is individually first inserted into human body gas
Pipe after the connection for disconnecting guide portion 1 and control unit 4, then from the rear end of guide portion 1 is inserted in tracheal catheter to person's windpipe.
In a kind of preferred embodiment of the utility model, as shown in Figures 2 and 3, human contact's switch 3 includes sliding
Moving part and the first contact 12 and the second contact 13 for being fixed on 1 hollow cavity inner wall of guide portion；
Sliding part includes the contact 9 for stretching out guide portion 1, is located in 1 hollow cavity of guide portion and the first contact 12 and second
The sliding block 11 that contact 13 is oppositely arranged is arranged between contact 9 and the sliding block 11 of conduction and has elastic component 10.
In the present embodiment, the first contact 12 and the second contact 13 are electric conductor, are fixed on guide portion 1 by front end
Position by two welding rods of insertion on 1 outer wall of guide portion diametrically or can be inserted into screw realization, as shown in Fig. 2, this
In the case of kind, guide portion 1 is preferably plastic material, and two welding rods or two person's screws are respectively the first contact 12 and the second contact
13.Alternatively, guide portion 1 is divided for independent two parts, front end portion and rear end part, as shown in figure 3, hollow in rear end part
Opposite two conducting blocks of setting, respectively the first contact 12 and the second contact 13, conducting block pass through insulation on the internal diameter of cavity
Viscose glue is fixed, and rear end part is connected by way of be bonded or weld with front end portion.
In the present embodiment, elastic element 10 is preferably but not limited to as extension spring, rubber screwed pipe etc. with flexible
The element of spring function.
In the present embodiment, the end face of contact 9 is spherical shape.Contact 9 can be plastics or metal material, sliding block 9 and the
One contact 12 and the end face of the second contact 13 contact need conduction, can be metal structure, or be plastic construction, be plastic construction
When, one layer of conductive film is covered on the above-mentioned end face contacted with the first contact 12 and the second contact 13.
In a kind of preferred embodiment of the utility model, as shown in Fig. 2, further including light-conductive optic fibre 8；Light-conductive optic fibre 8
One end is connect with 5 output end of light source in control unit 4, and the other end sequentially passes through edge in the hollow cavity and sliding part of guide portion 1
The light hole 14 axially opened up.
In the present embodiment, light-conductive optic fibre 8 is preferably plastic optical fiber, and intensity is relatively low, and light source 5 is semiconductor
Light source realizes one end of light-conductive optic fibre 8 and the connection of 5 output end of light source by the optical fiber connector of pairing.Light source 5 is preferably but not
It is limited to for red laser transmitter.Light hole 14 is through-hole, runs through contact 9 and sliding block 11.
In a kind of preferred embodiment of the utility model, as shown in figure 3, sliding part is provided in the axial direction with light hole
14, display lamp 16 is placed in light hole 14, and the output end of the power supply 6 of the first end and control unit 4 of display lamp 16 is electrically connected, and is shown
Show the second end of lamp 16 and being electrically connected to ground for control unit 4.
In the present embodiment, light hole 14 is through-hole, runs through contact 9 and sliding block 11.Display lamp 16 is preferably but not limited to
Output end for LED light, the power supply 6 of the anode and control unit 4 of LED light is electrically connected by conducting wire 15, cathode and control unit 4
Ground wire is electrically connected by conducting wire 15.
In a kind of preferred embodiment of the utility model, as shown in figure 3, light hole 14 on 9 end face of contact in
Diameter is less than the diameter of display lamp 16.
In the present embodiment, light hole 14 is stepped hole, is less than in the aperture close to 9 end face of contact close to 11 side of sliding block
Aperture, and the internal diameter on 9 end face of contact be less than display lamp 16 diameter.
In a kind of preferred embodiment of the utility model, as shown in Figure 1, alarm unit 2 be LED light, LED light away from
From 1 front end 6 of guide portion to 12cm.
In the present embodiment, the anode of LED light and the output end of the power supply 6 of control unit 4 is warned to be electrically connected by conducting wire 15
It connects, cathode is electrically connected with the first contact 12 by conducting wire 15, and the second contact 13 and the ground wire of control unit 4 are electrically connected by conducting wire 15
It connects.
In a kind of preferred embodiment of the utility model, alarm unit 2 is the buzzer positioned at control unit 4.
In the present embodiment, the feeder ear of buzzer and the output end of the power supply 6 of control unit 4 are electrically connected by conducting wire 15
It connects, the ground terminal of buzzer is electrically connected with the ground wire of control unit 4 by conducting wire 15.
In a kind of preferred embodiment of the utility model, guide portion 1 is J-shaped.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (9)
1. a kind of cannula core for tracheal catheter, which is characterized in that guide portion (1), setting including hollow structure are being drawn
The human contact for leading portion (1) front end switchs (3), the control unit (4) connecting with the guide portion (1) rear end and setting and is guiding
Alarm unit (2) in portion (1) or control unit (4)；
The output end of the power supply (6) of the feeder ear and control unit (4) of the alarm unit (2) is electrically connected；The human contact opens
(3) two contacts are closed to be serially connected in the current supply circuit of alarm unit (2), when human contact switchs (3) and tissue contacts,
Human contact, which switchs the movement of (3) stress, makes (3) two contact short circuits of human body contact-making switch be powered, alarm unit (2) work；Work as people
When body contact-making switch (3) is not contacted with tissue, two contacts that human contact switchs (3) are disconnected, and alarm unit (2) stops
Work.
2. being used for the cannula core of tracheal catheter as described in claim 1, which is characterized in that the human contact switchs (3)
Including sliding part and the first contact (12) and the second contact (13) that are fixed on guide portion (1) hollow cavity inner wall；
The sliding part includes the contact (9) for stretching out guide portion (1), is located in guide portion (1) hollow cavity and the first contact
(12) and the second contact (13) sliding block (11) for being oppositely arranged it, is arranged between contact (9) and the sliding block (11) of conduction flexible
Element (10).
3. being used for the cannula core of tracheal catheter as claimed in claim 2, which is characterized in that the end face of the contact (9) is
It is spherical.
4. being used for the cannula core of tracheal catheter as claimed in claim 2, which is characterized in that further include light-conductive optic fibre (8)；Institute
It states light-conductive optic fibre (8) one end to connect with light source (5) output end in control unit (4), the other end sequentially passes through in guide portion (1)
The light hole (14) opened up in cavity body and sliding part along axial direction.
5. being used for the cannula core of tracheal catheter as claimed in claim 2, which is characterized in that the sliding part is opened up along axial direction
Have light hole (14), is placed with display lamp (16) in the light hole (14), the first end and control unit of the display lamp (16)
(4) output end of power supply (6) is electrically connected, the second end of display lamp (16) and being electrically connected to ground for control unit (4).
6. being used for the cannula core of tracheal catheter as claimed in claim 5, which is characterized in that the light hole (14) is in contact
(9) internal diameter on end face is less than the diameter of display lamp (16).
7. being used for the cannula core of tracheal catheter as described in claim 1, which is characterized in that the alarm unit (2) is LED
Lamp, the LED light is apart from guide portion (1) front end 6 to 12cm.
8. being used for the cannula core of tracheal catheter as described in claim 1, which is characterized in that the alarm unit (2) is position
Buzzer in control unit (4).
9. being used for the cannula core of tracheal catheter as described in claim 1, which is characterized in that the guide portion (1) is J-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821602085.0U CN209301949U (en) | 2018-09-29 | 2018-09-29 | A kind of cannula core for tracheal catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821602085.0U CN209301949U (en) | 2018-09-29 | 2018-09-29 | A kind of cannula core for tracheal catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209301949U true CN209301949U (en) | 2019-08-27 |
Family
ID=67670446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821602085.0U Expired - Fee Related CN209301949U (en) | 2018-09-29 | 2018-09-29 | A kind of cannula core for tracheal catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209301949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053539A (en) * | 2020-07-31 | 2022-02-18 | 首都医科大学附属北京儿童医院 | Early warning method, device and control equipment for tracheal intubation of infant |
-
2018
- 2018-09-29 CN CN201821602085.0U patent/CN209301949U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053539A (en) * | 2020-07-31 | 2022-02-18 | 首都医科大学附属北京儿童医院 | Early warning method, device and control equipment for tracheal intubation of infant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 Termination date: 20200929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |