CN201618280U - Tracheal catheter with sprayable side wall - Google Patents
Tracheal catheter with sprayable side wall Download PDFInfo
- Publication number
- CN201618280U CN201618280U CN 201020036328 CN201020036328U CN201618280U CN 201618280 U CN201618280 U CN 201618280U CN 201020036328 CN201020036328 CN 201020036328 CN 201020036328 U CN201020036328 U CN 201020036328U CN 201618280 U CN201618280 U CN 201618280U
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- catheter body
- air bag
- endotracheal tube
- sprayable
- medicine outlet
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Abstract
The utility model relates to a tracheal catheter with a sprayable side wall, comprising a catheter body; the outer wall of the center of the dorsiflexion side of the catheter body is provided with an air injecting pipe; the front end of the air injecting pipe is connected with an air bag surrounding the outer periphery of the catheter body, and the rear end thereof is an air injecting port; the outer wall of the other side of the catheter body is provided with a drug injecting pipe which is closed at the front end of the catheter body; the rear end of the drug injecting pipe is an injecting port; and the surface of the drug injecting pipe is provided with at least three micropores which are taken as drug atomizing outlet holes. The tracheal catheter can atomize and inject the local anaesthetics into the mucosa in the trachea and the throat part contacted with the tracheal catheter through the micropores of the drug injection pipe by a special sprayer, and can guarantee the perfect anesthetic effect. Especially under the condition without changing the structure of the air bag, the mucosa in the trachea contacted with the air bag is fully anesthetized. By the anesthetic effect of the local anaesthetics, the tracheal catheter eliminates the bad influence generated by stimulation on the catheter and the throat part, and simultaneously the use time and the dosage of the local anaesthetics can be controlled.
Description
Technical field
This utility model relates to a kind of medical apparatus, particularly a kind of endotracheal tube when being used for respiratory therapy.
Background technology
The fast development with respirator updated along with the general anesthesia technology, the application of general anesthesia in operation more and more widely, and along with the extensive application of respirator in clinical, the situation of carrying out respirator treatment and rescue after critical patient's tracheal intubation is more and more.But no matter be the induction and tracheal intubation of general anesthesia operation, during postoperative general anesthesia is revived or the critical patient keeps somewhere endotracheal tube and carry out respirator treatment and rescue, patient can stimulate tunica mucosa tracheae because of endotracheal tube, cause significant hemodynamic change, showing as chokes coughs, feel sick, vomiting, blood pressure are increased, increased heart rate, and this to patient especially and to deposit the patient of hypertension, coronary heart disease and high intracranial pressure totally unfavorable.Inject topical anesthetic cream in the preceding single trachea of the tracheal intubation of employing and increase methods such as use calmness, analgesics for this problem of prevention generation has clinically at present.But the single intratracheal superficial anesthesia only can act on 20-40 minute, revive stage and need long-time patient's effect of keeping somewhere endotracheal tube very little for operation, in addition, a large amount of hematodinamicss that use calm, analgesics can cause general anesthesia patient to revive delays, influences the critical patient are stablized, to patient revive and heal after cause adverse effect.
During the general anesthesia tracheal intubation; During the waking up period tube drawing; Need to breathe the part critical patient of Supporting Therapy etc., because it is endotracheal tube can cause the hematodinamics fluctuation to the direct thigmic stimulus of trachea, also relatively more violent sometimes.This hypertension that is caused by sympathetic activation, increased heart rate and choking patients such as reaction pair hypertension, coronary heart disease, intracranial hypertension, preeclampsia such as are coughed, restless and may be increased the weight of original state of an illness sometimes even cause serious accident.
For preventing the generation of this class cardiovascular response, clinical normal employing improves inhalation anesthetic concentration and deepens anesthesia or use intravenous anesthetic, opium kind analgesics even muscle relaxant etc. to alleviate cardiovascular response, but this may suppress to breathe and circulation, also may cause upper respiratory tract to block; Quiet notes lignocaine 1mg/kg, quiet notes beta-blocker such as esmolol 1.5mg/kg etc. also can alleviate this class reflection, but the process that the opportunity that medicine is had an effect and this type of reaction take place sometimes can't be synchronous, increases dose on foot; Also have by local and use before local anaesthetics such as thyrocricoid puncture, the intubate method such as throat trachea internal spraying, but these class methods can not repeated drug taking, and also there is damage in the former.
The utility model content
The technical problems to be solved in the utility model provides the sprayable endotracheal tube of a kind of sidewall, it can overcome existing endotracheal tube to the directly stimulation of the trachea of contact with it, solves patient revive problem that choking of stage cough, feel sick, vomit and the misery of keeping somewhere the endotracheal tube patient for a long time.
For solving the problems of the technologies described above, this utility model provides a kind of sidewall sprayable endotracheal tube, comprising: catheter body; The central outer wall of described catheter body dorsiflex side is provided with air injection pipe, and the front end of air injection pipe is connected with the air bag that is looped around the catheter body periphery, and the rear end is a gas injection port; Establish the spray pencil on the catheter body opposite side outer wall, the spray pencil is in the sealing of catheter body front end, and spray pencil rear end is the spray mouth, seals with calparine cap sample protective cap; On described medicine-pouring pipe surface, have at least 3 micropores as the atomizing medicine outlet hole.
The beneficial effects of the utility model are: available special aerosol apparatus with local anaesthetics by the perforate uniform atomizing spray of spray pencil go into the contacted trachea of endotracheal tube in mucosa and bottleneck throat, and can guarantee perfect anesthetic action.Especially do not changing under the airbag structure condition, the tunica mucosa tracheae of contact is with it fully anaesthetized.Eliminating endotracheal tube by the anesthetic action of local anaesthetics stimulates the harmful effect that is produced to trachea and bottleneck throat, simultaneously local anaesthetics service time and dose controlled.
Description of drawings
Below in conjunction with accompanying drawing and example this utility model is described in further detail.
Fig. 1 is this endotracheal tube structural representation;
The specific embodiment
The sprayable endotracheal tube of a kind of sidewall as shown in Figure 1 comprises catheter body 1, and the central outer wall of described catheter body 1 dorsiflex side is provided with air injection pipe 2; Described air injection pipe 2 is being positioned at 20cm place, catheter body 1 rear end, and is free mutually with catheter body 1; The opposite side outer wall is provided with the spray pencil 3 that is embedded in the catheter body surface, and rear end and endotracheal tube are free, and free-end is the ejector filler interface, seals with calparine cap sample protective cap.The front end of described air injection pipe 2 is connected with the air bag 4 that is looped around catheter body 1 periphery, and the rear end is the gas injection port 5 that is connected with the gas injection valve.Air injection pipe 2 of the present utility model and spray pencil 3 all are positioned at the outer wall of catheter body 1, can not cause that catheter body 1 diameter increases; In addition, spray pencil 3 of the present utility model and air injection pipe 2 are not intersected mutually, make when shaping this utility model, and technology is easier to realize.
Have 3 oblique micropores 7 (atomizing medicine outlet hole) at spray pencil 3 front ends, lay respectively at 1 at air bag 4 front end 1cm places, each 1 at air bag 1cm place, 4 rear end and 2cm place.Air bag 4 both sides micropores 7 perforate directions are towards air bag 4, angle≤30 °, 2cm place, endotracheal tube rear end micropore 7 perforate directions are towards the glottis side, angle≤30 °, aperture be 0.5-1.0mm or≤1/2 spray pencil diameter, the perforate mode can be oblique taper.By using special aerosol apparatus, injection spray pipe is thrust in the protective cap, taking out most air bag 4 interior gases is sprayable medication.Because the special design of perforate direction and spraying medication, thus do not need too much medicine outlet hole, do not need too much dosage can guarantee endotracheal tube in trachea no matter be vertical and axial contact surface can be atomized all that medicine fully covers and.
Above-mentioned design and conclusion are through following evidence: will insert in the lucite tube of internal diameter 2cm (being equivalent to the tracheal diameter of being grown up) by special endotracheal tube with above-mentioned requirements, during 30 ° of oblique blowing angles, the fore-and-aft distance of ejection medicine can reach more than the 3cm, can reach more than the 5cm during oblique blowing angle＜30 °, the visible adherent ejection of atomizing drug during oblique blowing angle＜10 °, the distance can reach more than the 10cm, the lucite inside pipe wall also all as seen covered by medicine and.This conduit is mainly used in the interior mucomembranous anesthesia of trachea after the tracheal intubation, and effect is certain and perfect, and administration time and dosage are controlled fully.
This utility model is not limited to embodiment discussed above.More than the description of the specific embodiment is intended in order to describe and illustrate the technical scheme that this utility model relates to.Based on the conspicuous conversion of this utility model enlightenment or substitute and also should be considered to fall into protection domain of the present utility model.The above specific embodiment is used for disclosing best implementation method of the present utility model, so that those of ordinary skill in the art can use numerous embodiments of the present utility model and multiple alternative reaches the purpose of this utility model.
Claims (6)
1. sprayable endotracheal tube of sidewall comprises:
Catheter body; The central outer wall of described catheter body dorsiflex side is provided with air injection pipe, and the front end of air injection pipe is connected with the air bag that is looped around the catheter body periphery, and the rear end is a gas injection port;
It is characterized in that, establish the spray pencil on the catheter body opposite side outer wall, the spray pencil is in the sealing of catheter body front end, and spray pencil rear end is the spray mouth; On described medicine-pouring pipe surface, have at least 3 micropores as the atomizing medicine outlet hole.
2. the sprayable endotracheal tube of sidewall as claimed in claim 1 is characterized in that, described spray pencil is inlayed and is fixed under the endotracheal tube side surface in the wrong.
3. the sprayable endotracheal tube of sidewall as claimed in claim 2 is characterized in that, 1 atomizing medicine outlet hole is arranged on the medicine-pouring pipe surface between described air bag and the catheter body front end, oblique perforate, and direction is provided with towards the air bag side; Medicine-pouring pipe in air bag to 2 atomizing medicine outlet holes are arranged between the catheter body rear end, oblique perforate, the medicine outlet hole perforate direction of nearly air bag side is towards air bag, the medicine outlet hole perforate direction of air bag side far away is provided with towards endotracheal tube body rear end.
4. the sprayable endotracheal tube of sidewall as claimed in claim 3 is characterized in that, described medicine outlet hole perforate direction and catheter body angle be degree all≤30.
5. the sprayable endotracheal tube of sidewall as claimed in claim 4 is characterized in that, 1 atomizing medicine outlet hole is arranged on the spray pencil surface of air bag and catheter body front end 1 centimeters; On the medicine-pouring pipe of 1 centimetre in air bag and 2 centimeters, have 2 atomizing medicine outlet holes between catheter body rear end and the air bag.
6. the sprayable endotracheal tube of sidewall as claimed in claim 5 is characterized in that described medicine outlet hole aperture is the 0.5-1 millimeter, or≤1/2 spray pencil diameter, the perforate mode is oblique taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020036328 CN201618280U (en) | 2010-01-11 | 2010-01-11 | Tracheal catheter with sprayable side wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020036328 CN201618280U (en) | 2010-01-11 | 2010-01-11 | Tracheal catheter with sprayable side wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201618280U true CN201618280U (en) | 2010-11-03 |
Family
ID=43021734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020036328 Expired - Lifetime CN201618280U (en) | 2010-01-11 | 2010-01-11 | Tracheal catheter with sprayable side wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201618280U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368564A (en) * | 2019-08-13 | 2019-10-25 | 上海中医药大学附属曙光医院 | Outer wall can spray tracheal catheter |
| CN111617358A (en) * | 2020-05-27 | 2020-09-04 | 中国人民解放军西部战区总医院 | Tracheal catheter capable of performing airway surface anesthesia |
-
2010
- 2010-01-11 CN CN 201020036328 patent/CN201618280U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368564A (en) * | 2019-08-13 | 2019-10-25 | 上海中医药大学附属曙光医院 | Outer wall can spray tracheal catheter |
| CN111617358A (en) * | 2020-05-27 | 2020-09-04 | 中国人民解放军西部战区总医院 | Tracheal catheter capable of performing airway surface anesthesia |
| CN111617358B (en) * | 2020-05-27 | 2024-10-15 | 中国人民解放军西部战区总医院 | Tracheal catheter capable of conducting airway surface anesthesia |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101103 |