CN104043174B - A kind of longthening belt expands holds anti-crimping type trachea cannula - Google Patents

A kind of longthening belt expands holds anti-crimping type trachea cannula Download PDF

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Publication number
CN104043174B
CN104043174B CN201410317963.4A CN201410317963A CN104043174B CN 104043174 B CN104043174 B CN 104043174B CN 201410317963 A CN201410317963 A CN 201410317963A CN 104043174 B CN104043174 B CN 104043174B
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trachea cannula
end
expands
cannula body
leak
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CN201410317963.4A
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Chinese (zh)
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CN104043174A (en
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赵泽宇
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赵泽宇
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Abstract

The present invention discloses a kind of longthening belt and expands the anti-crimping type trachea cannula of end, comprise trachea cannula body, trachea cannula body one end is intubate front end, tip, intubate front end is provided with opening, opening is smooth spoon shape, the other end caliber increases formation gradually and expands end, expand to hold to coordinate with intubate joint and spin, intubate front end is provided with leak-proof device, and trachea cannula body tube wall side is connected with the gas-filled valve communicated with leak-proof device, being provided with aperture between leak-proof device and opening, trachea cannula body tube is embedded with wire in chamber. The present invention, by extending trachea cannula length, ensures that patient's trachea cannula under the general anesthesia of ventricumbent position is connected the wide looseness of environment with breathing pipeline, it is to increase patient comfort; End is expanded in setting, extends trachea cannula body length, increases cannula inner diameter simultaneously, do not increase Raw air way resistance, be convenient to suction sputum, and in trachea cannula, steel wire arranges in the shape of a spiral, prevents distortion, gives a discount, it is to increase its life cycle, and simple to operate, low cost of manufacture.

Description

A kind of longthening belt expands holds anti-crimping type trachea cannula

Technical field

The present invention relates to medical instruments field, specifically refer to that a kind of longthening belt expands and hold anti-crimping type trachea cannula.

Background technology

Endotracheal intubation art refers to special tracheal catheter and intubate instrument, is inserted in patient's trachea by oral cavity, carries out endotracheal anesthesia or rescues the technology of patient, is the most reliable means keeping the upper respiratory tract unobstructed. Thus, endotracheal intubation is applied quite general clinically, tracheae is inserted by oral cavity in one end, the other end is connected with breathing apparatus, ensure that patient respiration is unobstructed, can remove respiratory secretions on the one hand, set up artificial air flue for critical patient by trachea cannula on the one hand, solve ventilation and expectoration problem, it is extremely important rescue measure.

Treatment clinical course finds, particularly infant tracheal intubation is partially short for existing trachea cannula, after insertion, reserved too short apart from conduit portion beyond front tooth (tooth), when patient is under the generalized anesthetic state of ventricumbent position, it is not loose that trachea cannula is connected environment with patient respiration pipeline, causes respiratory nursing difficulty, and expectoration efficiency is relatively low, have impact on the respiratory nursing to patient to a certain extent.

Summary of the invention

It is an object of the invention to: overcome the above-mentioned defect of prior art, there is provided a kind of longthening belt to expand and hold anti-crimping type trachea cannula, extend trachea cannula length, end is expanded by arranging, increase trachea cannula internal diameter of the pipeline, while ensureing effective ventilation, it is convenient to expectoration, and wire is installed in trachea cannula, it is ensured that and when trachea cannula carries out Breathing Suppotion in insertion patient's trachea, not easily distortion and discounting, keep the patency of respiratory tract, and structure is simple, it is convenient to implement, reduces the potential risk to respiratory nursing in anesthesia.

The present invention is achieved through the following technical solutions: a kind of longthening belt expands holds anti-crimping type trachea cannula, comprise trachea cannula body, trachea cannula body one end is intubate front end, tip, intubate front end is provided with opening, opening is smooth spoon shape, the other end caliber increases formation gradually and expands end, expand to hold to coordinate with intubate joint and spin, intubate front end is provided with leak-proof device, and trachea cannula body tube wall side is connected with the gas-filled valve communicated with leak-proof device, being provided with aperture between leak-proof device and opening, trachea cannula body tube is embedded with wire in chamber.By arranging leak-proof device in intubate front end in the present invention, and leak-proof device is thin-walled cuff; thin-walled cuff distance opening 1��2cm place, tip, intubate front end; leak gas between trachea cannula and tracheae when preventing Breathing Suppotion, and prevent the vomitus in patient body, blood or oropharynx secretory product to be strayed into tracheae; By the setting of gas-filled valve, and gas-filled valve communicates with leak-proof device, it is achieved the compact siro spinning technology of leak-proof device and trachea cannula body, and improves patient when carrying out intratracheal intubation anesthesia, the stopping property of Breathing Suppotion; Expand end setting, add the internal diameter of the pipeline of trachea cannula body, according to fluid mechanics principle, when being doubled and flow velocity is constant by caliber, then resistance is reduced to original 1/4, therefore, increasing to expand holds lumen diameter not only not increase Raw air way resistance, and the convenient attraction to intra-tracheal sputum liquid; By installing wire in trachea cannula body, prevent trachea cannula distortion, give a discount; The present invention, by arranging aperture between trachea cannula tip opening and leak-proof device, effectively prevents phlegm liquid blocking trachea cannula body front end. Other structures of the present invention and principle thereof are the common practise of art, repeat no more.

Further, described trachea cannula body length is 24��36cm, existing trachea cannula is apart from all only about the 8cm of the conduit portion length beyond front tooth (tooth), the present invention is by increasing 4cm by its length part, then trachea cannula total length reaches 24��36cm, effectively increase the length being positioned at the outer trachea cannula of front tooth, it is ensured that when patient's trachea cannula under the general anesthesia of ventricumbent position is connected the wide looseness of environment with patient respiration pipeline.

Further, described end zero position of expanding is mated mutually with intubate front inner diameter, described and expand end initiating terminal internal diameter consistent with intubate front inner diameter, the end initiating terminal that expands increases to 7.5mm gradually to end internal diameter, for the trachea cannula of children's, intubate front inner diameter and the degree of depth are mated mutually with the age level of children's, and the depth of penetration of intubate front end is positioned in the middle part of children with tracheal. Intubate front inner diameter and children's's age correlations be: intubate front inner diameter ID(mm)=2.5+0.4 �� age, and the age correlations of the degree of depth of intubate and children's is: trachea cannula depth of penetration L=12+ age/2, part beyond the degree of depth of trachea cannula, namely the zero position end held that expands expands gradually to end internal diameter, expand to adult's internal diameter quite (internal diameter ID=7.5mm), when internal diameter reaches 7.5mm, remain unchanged. Expand and hold initiating terminal position and intubate front inner diameter relation: (as shown in the table)

Internal diameter (ID) (unit: mm) 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 Expand zero position (cm) 12 12 12 14 14 16 18 20 22 24 24

Wherein, for the age level that children's is different, the internal diameter of intubate front end is different, when intubate front inner diameter is 2.5mm, correspondence expands end zero position for distance tip, intubate front end opening 12cm, and expand end zero position internal diameter consistent with intubate front inner diameter, be 2.5mm, expand hold zero position increase to 7.5mm to end internal diameter gradually from 2.5mm; When intubate front inner diameter is 4.0mm, correspondence expands end zero position for distance tip, intubate front end opening 14cm, and expand end zero position internal diameter consistent with intubate front inner diameter, be 4.0mm, expand hold zero position increase to 7.5mm to end internal diameter gradually from 4.0mm; When intubate front inner diameter is 7.5mm, correspondence expands end zero position for distance tip, intubate front end opening 24cm, then expand and hold zero position to be 7.5mm to the internal diameter of end, remain unchanged, zero position mutual relationship is held in described intubate front inner diameter and corresponding the expanding of intubate front inner diameter, releases according to form with reason.

Further, described wire is steel wire, described steel wire helically arranges at trachea cannula body, here the wire type being installed in trachea cannula is carried out further preferred, the material requested of trachea cannula is carried out under present invention is directed to ventricumbent position generalized anesthetic state, during in order to prevent patient in surgical procedure due to ventricumbent position or changing position, trachea cannula is caused distortion, give a discount and wait impact, and then affect the ventilatory effect of patient, strengthen by arranging steel wire, and steel wire good toughness, cheap, improve the degree of safety of anesthesia, helically arranged at trachea cannula body by steel wire, and then increase the snappiness of pipeline and anti-crimping, effectively improve the airway patency of trachea cannula in operation, suction sputum smoothness, impel trachea cannula uniform force, not easily it is out of shape.

Further, described leak-proof device is air bag, by arranging leak-proof device in trachea cannula body front end, leak-proof device is preferably thin-walled air bag, and it is positioned at 1��2cm place, tip, intubate front end, by the setting of thin-walled air bag, prevent from leaking gas between trachea cannula and patient's trachea when Breathing Suppotion, prevent the vomitus in patient body, blood or oropharynx secretory product to be strayed into tracheae simultaneously, impact to the respiratory nursing of patient.

Further, described trachea cannula body embeds barium silk thread, and described barium silk thread runs through whole trachea cannula pipe body, and by the setting of barium silk thread, barium silk thread color can be blueness, can conveniently when X ray examination, it is determined that the position of trachea cannula.

Further, described trachea cannula body is hollow tube.

Further, tip, described intubate front end opening is smooth spoon shape, by trachea cannula body tip opening shape is set to smooth spoon shape, prevents from, in trachea cannula process, patient's trachea wall is caused unnecessary damage.

Further, described trachea cannula body, leak-proof device and gas-filled valve material are silica gel or polyvinyl chloride, here trachea cannula body, leak-proof device and gas-filled valve material are done further preferred, not plasticizer-containing phthalic acid diethyl ester, is reduced in surgical procedure to the injury of human body.

The present invention compared with prior art, has the following advantages and useful effect:

(1) the present invention is by extending the length of trachea cannula body, ensures that patient's trachea cannula under the general anesthesia of ventricumbent position is connected environment wide looseness with breathing pipeline, improves the security of respiratory nursing in anesthesia simultaneously;

(2) setting that the present invention holds by expanding, while extending trachea cannula length, increases cannula inner diameter, does not increase Raw air way resistance, be convenient to sputum aspirator tube simultaneously and pass through smoothly;

(3) the present invention by arranging arranging steel wire in the shape of a spiral in trachea cannula body, prevents trachea cannula in surgical procedure or distortion during changing position, gives a discount, it is to increase security when trachea cannula uses;

(4) the present invention is easy to use, simple to operate, cheap for manufacturing cost, is convenient to marketing;

(5) the present invention draws materials conveniently, is easy to make, can be mass.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present invention;

Wherein: end, 3 intubate joints, 4 leak-proof devices, 5 wires, 6 gas-filled valves, 7 apertures, 8 barium silk threads, 9 openings are expanded in 1 intubate front end, 2.

Embodiment

Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.

Embodiment 1:

The main structure of the present embodiment, as shown in Figure 1, a kind of longthening belt expands holds anti-crimping type trachea cannula, comprise trachea cannula body, trachea cannula body one end is intubate front end 1, tip, intubate front end 1 is provided with opening 9, opening 9 is smooth spoon shape, the other end caliber increases formation gradually and expands end 2, the end 2 that expands coordinates with intubate joint 3 and to spin, intubate front end 1 is provided with leak-proof device 4, and trachea cannula body tube wall side is connected with the gas-filled valve 6 communicated with leak-proof device 4, aperture 7 it is provided with between leak-proof device 4 and opening 9, trachea cannula body tube is embedded with wire 5 in chamber.By arranging leak-proof device 4 in intubate front end 1 in the present invention, leak-proof device 4 is thin-walled cuff, and thin-walled cuff is positioned at distance 1��2cm place, intubate front end, gas leakage between trachea cannula and tracheae when main effect prevents Breathing Suppotion, and prevent the vomitus in patient body, blood or oropharynx secretory product to be strayed into tracheae; By the setting of gas-filled valve 6, and gas-filled valve 6 communicates with leak-proof device 4, it is achieved the compact siro spinning technology of leak-proof device 4 and trachea cannula body, and improves patient when carrying out intratracheal intubation anesthesia, the stopping property of Breathing Suppotion; Expand end 2 by arranging, add the internal diameter of the pipeline of trachea cannula body, according to fluid mechanics principle, when being doubled and flow velocity is constant by caliber, then resistance is reduced to original 1/4, therefore, increase lumen diameter and not only do not increase Raw air way resistance, and the convenient attraction to intra-tracheal sputum liquid; By installing wire 5 in trachea cannula body, prevent trachea cannula distortion, give a discount; The present invention, by the setting of aperture 7, effectively prevents phlegm liquid blocking tip, intubate front end 1.

Embodiment 2:

It is 24��36cm that the present embodiment limits described trachea cannula body length further on the basis of embodiment 1, existing trachea cannula is apart from all only about the 8cm of the conduit portion length beyond front tooth (tooth), the present invention is by increasing 4cm by its length part, then trachea cannula total length reaches 24��36cm, effectively increase the length being positioned at the outer trachea cannula of front tooth, it is ensured that when patient's trachea cannula under the general anesthesia of ventricumbent position is connected the wide looseness of environment with patient respiration pipeline. Other parts of the present embodiment are identical with embodiment 1, repeat no more.

Embodiment 3:

The present embodiment expands end 2 zero positions and mates mutually with intubate front end 1 internal diameter described in limiting further on the basis of above-described embodiment, and expands and hold 2 initiating terminals to increase to 7.5mm gradually to end internal diameter. trachea cannula for children's is performed the operation, and intubate front end 1 internal diameter and the degree of depth are mated mutually with the age level of children's, and in the middle part of trachea cannula body depth of penetration to children with tracheal. intubate front end 1 internal diameter and children's's age correlations be: trachea cannula body front inner diameter ID(mm)=2.5+0.4 �� age, and the age correlations of the degree of depth of intubate and children's is: trachea cannula body insertion the degree of depth L=12+ age/2, part beyond the degree of depth of trachea cannula, namely expand and hold the zero position end of 2 to expand gradually to end internal diameter, and expand to suitable with adult's internal diameter, i.e. internal diameter 7.5mm, when intubate front end 1 internal diameter is 7.5mm, the end 2 initiating terminal internal diameters that expand are consistent with intubate front inner diameter, it is 7.5mm, and expand end 2 initiating terminals be 7.5mm to end internal diameter, remain unchanged. other parts of the present embodiment are same as the previously described embodiments, repeat no more.

Embodiment 4:

It is steel wire that the present embodiment limits described wire 5 further on the basis of above-described embodiment, here wire 5 type being installed in trachea cannula is carried out further preferred, trachea cannula of the present invention is aimed at the trachea cannula material under the generalized anesthetic state of ventricumbent position, prevent trachea cannula in surgical procedure or distortion during changing position, give a discount, improve security when trachea cannula uses, in order to prevent patient in prone position operation process or change position time trachea cannula is caused distortion, give a discount and wait impact, and then affect ventilatory effect, strengthen by arranging steel wire, and steel wire good toughness, cheap, improve the security that trachea cannula uses,Further, described steel wire helically arranges at trachea cannula body, effectively improves smooth breathing, the suction sputum smoothness of trachea cannula in operation, it is preferable that the steel wire being arranged in trachea cannula arranges in the shape of a spiral, impels trachea cannula uniform force, is not easily out of shape. Other parts of the present embodiment are same as the previously described embodiments, repeat no more.

Embodiment 5:

It is air bag that the present embodiment limits described leak-proof device 4 on the basis of above-described embodiment, by arranging leak-proof device 4 in intubate front end 1, leak-proof device 4 is preferably thin-walled air bag, and it is positioned at opening 1��2cm place, tip, intubate front end 1, by the setting of thin-walled air bag, prevent from leaking gas between trachea cannula and tracheae when Breathing Suppotion, prevent the vomitus in patient body, blood or oropharynx secretory product to be strayed into tracheae simultaneously, impact to patient respiration management. Other parts of the present embodiment are same as the previously described embodiments, repeat no more.

Embodiment 6:

The present embodiment limits the barium silk thread 8 that described trachea cannula body embeds opacity further on the basis of above-described embodiment, and described barium silk thread 8 runs through whole trachea cannula pipe body, and barium silk thread 8 can be blueness, convenient when X ray examination, it is determined that the position of trachea cannula. Described trachea cannula body is hollow tube. And tip, described trachea cannula body front end 1 opening 9 is smooth spoon shape, prevent from, in trachea cannula process, patient's trachea wall is caused unnecessary damage. Other parts of the present embodiment are same as the previously described embodiments, repeat no more.

Embodiment 7:

It is hollow tube that the present embodiment limits described trachea cannula body further on the basis of above-described embodiment, described trachea cannula body, leak-proof device 4 and gas-filled valve 6 material are silica gel or polyvinyl chloride, here trachea cannula body, leak-proof device 4 and gas-filled valve 6 material are done further preferred, not plasticizer-containing phthalic acid diethyl ester (DEHP), reduces the injury to human body. Other parts of the present embodiment are same as the previously described embodiments, repeat no more.

The above is only the better embodiment of the present invention, and the present invention not does any restriction in form, every above embodiment is done according to the technical spirit of the present invention any simple modification, equivalent variations, all fall into protection scope of the present invention.

Claims (8)

1. a longthening belt expands and holds anti-crimping type trachea cannula, comprise trachea cannula body, it is characterized in that: trachea cannula body one end is intubate front end (1), intubate front end (1) tip is provided with opening (9), opening (9) is smooth spoon shape, the other end caliber increases formation gradually and expands end (2), the end (2) that expands coordinates with intubate joint (3) and spins, intubate front end (1) is provided with leak-proof device (4), and trachea cannula body tube wall side is connected with the gas-filled valve (6) communicated with leak-proof device (4), aperture (7) it is provided with between leak-proof device (4) and opening (9), wire (5) it is embedded with in trachea cannula body tube chamber, trachea cannula body embeds barium silk thread (8).
2. a kind of longthening belt according to claim 1 expands and holds anti-crimping type trachea cannula, it is characterised in that: described trachea cannula body length is 24��36cm.
3. a kind of longthening belt according to claim 1 expands the anti-crimping type trachea cannula of end, it is characterised in that: described in expand end (2) initiating terminal internal diameter consistent with intubate front end (1) internal diameter, and expand and hold internal diameter to increase to 7.5mm gradually.
4. a kind of longthening belt according to claim 1 expands and holds anti-crimping type trachea cannula, it is characterised in that: described wire (5) is steel wire, and described steel wire helically arranges in trachea cannula body.
5. a kind of longthening belt according to claim 1 or 2 or 3 or 4 expands the anti-crimping type trachea cannula of end, it is characterised in that: described leak-proof device (4) is air bag.
6. a kind of longthening belt according to claim 5 expands and holds anti-crimping type trachea cannula, it is characterised in that: described trachea cannula body embeds barium silk thread (8), and described barium silk thread (8) runs through whole trachea cannula.
7. a kind of longthening belt according to claim 5 expands and holds anti-crimping type trachea cannula, it is characterised in that: described trachea cannula body is hollow tube.
8. longthening belt according to claim 7 expands and holds anti-crimping type trachea cannula, it is characterised in that: described trachea cannula body, leak-proof device (4) or gas-filled valve (6) material are silica gel or polyvinyl chloride.
CN201410317963.4A 2014-07-07 2014-07-07 A kind of longthening belt expands holds anti-crimping type trachea cannula CN104043174B (en)

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CN106182536B (en) * 2016-07-06 2018-10-02 河南驼人医疗器械集团有限公司 A kind of manufacture craft of the anti-crimping type trachea cannula of reducing

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