CN207722204U - Reducing tracheal catheter external member - Google Patents
Reducing tracheal catheter external member Download PDFInfo
- Publication number
- CN207722204U CN207722204U CN201720462906.4U CN201720462906U CN207722204U CN 207722204 U CN207722204 U CN 207722204U CN 201720462906 U CN201720462906 U CN 201720462906U CN 207722204 U CN207722204 U CN 207722204U
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- Prior art keywords
- roll
- tube body
- catheter
- shaped
- elasticity tube
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Abstract
Reducing tracheal catheter external member, it is related to medical equipment technical field, it includes catheter body, catheter body includes at least the roll-shaped elasticity tube body set on its leading portion and the pipe sleeve outside roll-shaped elastic tube body, the subregion of pipe sleeve inner wall is adhered to roll-shaped elasticity tube body, and end and the end face of external end head are equipped with mutually matched fastening screw and location hole in roll-shaped elastic tube body；Sheath is used for guide cannula；Swelling gasbag can be placed in roll-shaped elasticity tube cavity and can be strutted roll-shaped elasticity tube body outward by inflation so that fastening screw is inserted into location hole, so that the internal diameter of roll-shaped elasticity tube body and outer diameter ratio become larger before not strutting；Hollow joint is removably connected to the rear end of catheter body.The reducing tracheal catheter external member can mitigate glottis caused by intubation and tracheal mucosa damage, reduce intubation difficulty and postoperative sore-throat incidence, have larger clinic popularization and application values.
Description
Technical field
The utility model is related to medical equipment technical field, more particularly to a kind of reducing tracheal catheter external member.
Background technology
GENERAL ANESTHETICS has obvious inhibiting effect to breathing, using muscle relaxant person and face, neck, five official rank general anesthesia major operation persons,
It all needs to carry out trachea cannula.Tracheal catheter played an important role in the rescue of urgent patient, such as respiratory failure, cardiopulmonary
When recovery, drug poisoning and newborn's severe asphyxia, it is necessary to endotracheal intubation is used, it is shown in FIG. 1 through orotracheal tube
Intubation is clinically common intubation procedure.
Postoperative sore-throat（POST）It is complication common after general anesthesia intubation, incidence reaches 20-50%, postoperative throat
The generation of pain and patient age, gender, the thickness of tracheal catheter, trachea cannula operation and cuff for endotracheal catheter（Generally gas
Capsule）Pressure correlation.The tracheal catheter outer diameter of adult male is generally used in 11mm or more, internal diameter is in 7.5mm or more, in same item
Under part, catheter outer diameter more it is thick theoretically be easy to cause glottis and tracheal mucosa damage, reduce tracheal catheter can reduce intubation
Difficulty, simultaneously for mitigating, postoperative sore-throat is also extremely advantageous, cannot be in order to mitigate postoperative sore-throat certainly in clinical manipulation
And small gauge catheter is selected simply it may first have to ensure the ventilatory effect of conduit, in the case, by catheter design at diameter
Variable structure just seems necessary.
Chinese patent literature CN2792524Y discloses a kind of tracheal catheter of reducing, which includes from middle part
To " C " type stretch section of front end inclined plane shape port, corrugated extension airbag, wave are equipped on the longitudinal slot of " C " type stretch section
In overlapping shape when line shape extension airbag unaerated, while " C " type stretch section of flexible wall is in nature retracted state, works as insertion
It is inflated afterwards toward corrugated extension airbag, extension airbag trails, and under bag expansion force effect, longitudinal slot is stretched, to
So that " C " type stretch section entirety caliber becomes larger.The tracheal catheter of above-mentioned reducing has the following defects：It is logical inside extension airbag
Setting lacing wire film is crossed to prevent air bag inner wall bulging from blocking air flue, although mentioning lacing wire film in the literature for preventing air bag past
Interior expansion leads to airway narrows, but actual conditions are, only lacing wire film is leaned on may not to prevent air bag toward inside and outside two well
Side bulging, because air bag is made of flexible medical grade rubber, it can be expanded toward surrounding when inflation, although airbag wall and lacing wire
Film contact site is held, but is contacted similar to line between lacing wire film and airbag wall, at the position that do not held by lacing wire film（Such as
The position of 8 both sides of lacing wire film in document Fig. 4）It still inevitably can bulging, air bag must after bulging in air flue inside and outside
So lead to airway narrows to a certain extent.
Utility model content
The technical problem to be solved by the present invention is to provide one kind to cause air flue to become there is no air bag bulging in air flue
The reducing tracheal catheter external member of narrow problem.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution：A kind of reducing tracheal catheter set
Part, including:
Catheter body, the catheter body are included at least set on the roll-shaped elasticity tube body of its leading portion and set on the volume
Pipe sleeve outside tubular elastic tube body, the pipe sleeve are made of elastic material, the external side wall upper edge of roll-shaped elastic tube
Its length direction is equipped with adhesive layer, and a part for the pipe sleeve inner wall is fixed by adhesive layer and the external side wall of roll-shaped elastic tube
It is bonded together, end and the end face of external end head are equipped with mutually matched fastening screw and determine in the roll-shaped elastic tube body
Position hole；
Sheath is used for guide cannula；
Swelling gasbag, can be placed in the roll-shaped elasticity tube cavity and can be by inflation by roll-shaped elastic tube
Body struts outward so that the fastening screw is inserted into location hole, so that the internal diameter of the roll-shaped elasticity tube body and outer
Diameter before not strutting than becoming larger；
Hollow joint is removably connected to the rear end of the catheter body；
The inflated air bag of the roll-shaped elasticity tube body struts and outward after fastening screw insertion location hole, the volume
The cross section of tubular elasticity tube body becomes round and its peripheral surface is tightly waled by the pipe sleeve.
In one embodiment of the utility model, whole section of the catheter body is roll-shaped elasticity tube body.
Preferably, the rear end of the catheter body is equipped with internal thread, and the bottom of the hollow joint is equipped with tubular junction,
The tubular junction is equipped with the external screw thread to match with the internal thread of catheter body rear end, and the hollow joint passes through screw thread
It is connected to the rear end of catheter body.
Wherein, the outside of the pipe sleeve is equipped with cuff, and the cuff is fixedly connected with pipe sleeve.
Wherein, the pipe sleeve is made of silica gel.
Wherein, the length of the fastening screw is 3-8mm, a diameter of 0.7-1mm.
Wherein, the roll-shaped elasticity tube body uses that PVC material is made and its wall thickness is 1.5-2mm.
Further, the outside of the catheter body is also arranged with garter spring, and the garter spring connects catheter body banding in tubulose
In socket part.
Reducing tracheal catheter external member application method provided by the utility model is as follows：Swelling gasbag is first placed in roll-shaped
In elastic tube cavity, sheath is inserted into tracheae, then the roll-shaped elasticity that swelling gasbag is placed in inner cavity is guided by sheath
Tube body is inserted into tracheae, then extracts sheath out and is inflated in swelling gasbag, by roll-shaped elasticity tube body after swelling gasbag expansion
It struts outward so that fastening screw is inserted into location hole, and the cross section of roll-shaped elasticity tube body becomes round and its internal diameter at this time
With outer diameter than becoming larger before not strutting, while its peripheral surface is tightly waled by the pipe sleeve, is then extracted out/release in swelling gasbag
Gas and by swelling gasbag from the rear end of catheter body extract out, after hollow joint is finally detachably connected to catheter body
End.By the way that roll-shaped elasticity tube body is arranged in catheter body leading portion（It will be appreciated by those skilled in the art that the roll-shaped bullet
Property tube body include at least catheter body through glottis be inserted into tracheae part will be unable to reach if roll-shaped elasticity tube body is too short
Mitigate the purpose of glottis and tracheal injury on the basis of existing conduit）, due to be inserted into tracheae during the roll-shaped elasticity tube body
It is not softened, outer diameter is smaller, it, which just may be guided, by the sheath of minor diameter is inserted into tracheae, so as to drop to a certain extent
Damage during undershoot pipe to glottis and tracheae, mitigates postoperative sore-throat；Above-mentioned roll-shaped elasticity tube body is inserted into after tracheae again
It is strutted by swelling gasbag, is inserted into location hole by fastening screw and outer tubular sleeve is tightly waled so that it may remain in
The state that circular in cross-section and internal diameter and outer diameter become larger（Meet the state of tracheal catheter airway diameter standard）, to be gas
The offers conditions such as road is unobstructed, ventilation oxygen-supplying, respiratory tract attract and prevents from accidentally inhaling, reach trachea cannula treatment purpose.It is above-mentioned variable
Diameter tracheal catheter external member uses the new construction entirely different with background technology, keeps air flue to be stretched not against air bag
State, thus there is no air bag bulging leads to airway narrows again in air flue the problem of.
Description of the drawings
Fig. 1 is oral trachea cannula schematic diagram in the prior art；
Fig. 2 is the attachment structure schematic diagram of catheter body and hollow joint in the utility model embodiment；
Fig. 3 is that roll-shaped elasticity tube body is not inflated the cross-sectional structure signal before air bag struts in embodiment illustrated in fig. 2
Figure；
Fig. 4 is that roll-shaped elasticity tube body is inflated the cross-sectional structure schematic diagram after air bag struts in embodiment illustrated in fig. 2；
Fig. 5 is that roll-shaped elasticity tube body is not inflated the positive structure schematic before air bag struts in embodiment illustrated in fig. 2；
Fig. 6 is that roll-shaped elasticity tube body is inflated the positive structure schematic after air bag struts in embodiment illustrated in fig. 2；
Fig. 7 is the overall structure diagram of hollow joint in embodiment illustrated in fig. 2；
Fig. 8 is the overall structure diagram of sheath in the utility model embodiment；
In figure：
1 --- catheter body 2 --- sheath
3 --- swelling gasbag 4 --- hollow joints
5 --- cuff 1a --- roll-shaped elasticity tube bodies
1b --- pipe sleeve 4a --- tubular junction
1a1 --- fastening screw 1a2 --- location hole.
Specific implementation mode
In the description of the present invention, it should be understood that term "center", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
The design of the utility model is more clearly understood that for the ease of those skilled in the art, with reference to embodiment and attached
Figure is described in more detail the utility model.
See shown in Fig. 2-8, reducing tracheal catheter external member, including:
Catheter body 1, catheter body 1 include at least the roll-shaped elasticity tube body 1a set on its leading portion（Conduit in Fig. 2,5,6
1 whole section of ontology is roll-shaped elasticity tube body 1a）And the pipe sleeve 1b outside roll-shaped elasticity tube body 1a, pipe sleeve 1b are adopted
It is made of elastic material, is provided along its length adhesive layer on roll-shaped elasticity tube body 1a lateral walls, the one of pipe sleeve 1b inner walls
Part is fixed adhered to together by adhesive layer and roll-shaped elasticity tube body 1a lateral walls（Be not the entire inner wall of pipe sleeve 1b all
It is adhered to roll-shaped elasticity tube body 1a by adhesive layer, and is only that the subregion of inner wall passes through adhesive layer and roll-shaped elastic tube
Body 1a outer walls are bonded）, the end face of roll-shaped elasticity tube body 1a inner terminations and external end head is equipped with mutually matched fastening screw 1a1
With location hole 1a2；
Sheath 2 is used for guide cannula；
Swelling gasbag 3, can be placed in the inner cavities roll-shaped elasticity tube body 1a and can be by inflation by roll-shaped elastic tube
Body 1a is strutted outward so that fastening screw 1a1 is inserted into location hole 1a2 so that the internal diameter of roll-shaped elasticity tube body 1a and
Outer diameter before not strutting than becoming larger；
Hollow joint 4 is removably connected to the rear end of catheter body 1；
Roll-shaped elasticity tube body 1a is inflated air bag 3 and struts outward and after fastening screw 1a1 is inserted into location hole 1a2, reel
The cross section of shape elasticity tube body 1a becomes round and its peripheral surface is tightly waled by pipe sleeve 1b.
Above-mentioned reducing tracheal catheter external member application method is as follows：Swelling gasbag 3 is first placed in roll-shaped elasticity tube body 1a
In inner cavity（As shown in Figure 3）, sheath 2 is inserted into tracheae, then the reel that swelling gasbag 3 is placed in inner cavity is guided by sheath 2
Shape elasticity tube body 1a insertion tracheaes, sheath 2 is then extracted out and is inflated in swelling gasbag 3, by reel after the expansion of swelling gasbag 3
Shape elasticity tube body 1a is strutted outward so that fastening screw 1a1 is inserted into location hole 1a2（As shown in Figure 4）, roll-shaped is elastic at this time
The cross section of tube body 1a becomes round and its internal diameter and outer diameter before not strutting than becoming larger, at the same its peripheral surface by pipe sleeve 1b tightly
It wales（As shown in Figure 4）, then extract/release the gas in swelling gasbag 3 out and by swelling gasbag 3 from the rear end of catheter body 1
Hollow joint 4, is finally detachably connected to the rear end of catheter body 1 by extraction.It is rolled up by being arranged in 1 leading portion of catheter body
Tubular elasticity tube body 1a（It will be appreciated by those skilled in the art that roll-shaped elasticity tube body 1a includes at least catheter body 1 through sound
Door be inserted into tracheae part, if roll-shaped elasticity tube body 1a is too short, will be unable to reach on the basis of existing conduit mitigate glottis and
The purpose of tracheal injury）, due to be inserted into tracheae during roll-shaped elasticity tube body 1a be not softened, outer diameter is smaller, lead to
The sheath 2 for crossing minor diameter just may be guided its and be inserted into tracheae, so as to reducing to a certain extent in catheterization procedure to glottis and
The damage of tracheae mitigates postoperative sore-throat；Above-mentioned roll-shaped elasticity tube body 1a is strutted by swelling gasbag 3 again after being inserted into tracheae, is led to
It crosses in fastening screw 1a1 insertion location holes 1a2 and outer tubular sleeve 1b is tightly waled so that it may remain in cross section in circle
The state that shape and internal diameter and outer diameter become larger（Meet the state of tracheal catheter airway diameter standard）, to for airway patency, lead to
Gas oxygen supply, respiratory tract attract and prevent the accidentally offers condition such as suction, reach trachea cannula treatment purpose.Above-mentioned reducing tracheal catheter
The state that external member keeps air flue to be stretched not against air bag, therefore it thoroughly avoids air bag bulging in air flue and air flue is caused to become
Narrow problem.
In the above-described embodiments, see between catheter body 1 and hollow joint 4 shown in Fig. 2 and 7 and following connection knot may be used
Structure：The rear end of catheter body 1 is equipped with internal thread（The internal thread is not shown in the accompanying drawings）, the bottom of hollow joint 4 is equipped with tubulose
Interconnecting piece 4a, tubular junction 4a are equipped with the external screw thread to match with the internal thread of 1 rear end of catheter body（The external screw thread is attached
It is not shown in figure）, hollow joint 4 is threadingly attached to the rear end of catheter body 1.
Further, in the above-described embodiments, see shown in Fig. 2,5 and 6, the outside of pipe sleeve 1b is additionally provided with cuff 5, cuff 5 with
Pipe sleeve 1b is fixedly connected.It should be noted that cuff 5 it is not necessary to component, when practical application, the internal diameter of children exists
5.5mm conduits below, it may be unnecessary to cuff 5, and the conduit of 8 years old or more teenager and adult are general to select band set
The structure of capsule 5.
Preferably, pipe sleeve 1b is made of silica gel.Silica gel soft and elastic is preferable, both may be used using pipe sleeve 1b made of silica gel
Conduit damages the scratch of tracheal mucosa and glottis when reducing follow-up tube drawing, and can wale the elasticity of the roll-shaped after strutting well
Tube body 1a makes it be stably held in the state that the internal diameter of circular in cross-section and outer diameter become larger（It is straight to meet tracheal catheter air flue
The state of diameter standard）.
In the above-described embodiments, it is preferred that the length of fastening screw 1a1 is 3-8mm, a diameter of 0.7-1mm.Roll-shaped bullet
Property tube body 1a uses that PVC material is made and its wall thickness is 1.5-2mm.Finally, in order to avoid being led because of accident collision or other reasons
It causes hollow joint 4 to be loosened from 1 rear end of catheter body, garter spring is also arranged in the outside of catheter body 1（The garter spring is in the accompanying drawings not
It shows）, the garter spring is by 1 banding of catheter body on tubular junction 4a.
Above-described embodiment is the preferable implementation of the utility model, is appointed under the premise of not departing from the technical program design
What obvious replaces both is within the protection scope of the present invention.
In order to allow those of ordinary skill in the art more easily understand the improvement of the utility model compared with the existing technology it
Place, some attached drawings of the utility model and description have been simplified, and for the sake of clarity, present specification is omitted one
A little other elements, those of ordinary skill in the art should be aware that the element that these are omitted also may make up the interior of the utility model
Hold.
Claims (8)
1. reducing tracheal catheter external member, including:
Catheter body（1）, the catheter body（1）Including at least the roll-shaped elasticity tube body set on its leading portion（1a）And it is set to
The roll-shaped elasticity tube body（1a）External pipe sleeve（1b）, the pipe sleeve（1b）It is made of elastic material, the roll-shaped
Elastic tube body（1a）Adhesive layer, the pipe sleeve are provided along its length on lateral wall（1b）A part for inner wall passes through adhesive layer
With roll-shaped elasticity tube body（1a）Lateral wall is fixed adhered to together, the roll-shaped elasticity tube body（1a）Inner termination and external end head
End face be equipped with mutually matched fastening screw（1a1）And location hole（1a2）；
Sheath（2）, it is used for guide cannula；
Swelling gasbag（3）, the roll-shaped elasticity tube body can be placed in（1a）And it can be by inflation by roll-shaped bullet in inner cavity
Property tube body（1a）It struts outward so that the fastening screw（1a1）It is inserted into location hole（1a2）In, so that the roll-shaped
Elastic tube body（1a）Internal diameter and outer diameter ratio do not strut before become larger；
Hollow joint（4）, it is removably connected to the catheter body（1）Rear end；
The roll-shaped elasticity tube body（1a）Inflated air bag（3）It struts outward and the fastening screw（1a1）It is inserted into location hole
（1a2）Afterwards, the roll-shaped elasticity tube body（1a）Cross section become round and its peripheral surface is by the pipe sleeve（1b）Tightly bind round
Firmly.
2. reducing tracheal catheter external member according to claim 1, it is characterised in that：The catheter body（1）Whole section
For roll-shaped elasticity tube body（1a）.
3. reducing tracheal catheter external member according to claim 1 or 2, it is characterised in that：The catheter body（1）After
End is equipped with internal thread, the hollow joint（4）Bottom be equipped with tubular junction（4a）, the tubular junction（4a）It is equipped with
With catheter body（1）The external screw thread that the internal thread of rear end matches, the hollow joint（4）It is threadingly attached to catheter body
（1）Rear end.
4. reducing tracheal catheter external member according to claim 2, it is characterised in that：The pipe sleeve（1b）Outside be equipped with
Cuff（5）, the cuff（5）With pipe sleeve（1b）It is fixedly connected.
5. reducing tracheal catheter external member according to claim 3, it is characterised in that：The pipe sleeve（1b）Using silica gel
It is made.
6. reducing tracheal catheter external member according to claim 1, it is characterised in that：The fastening screw（1a1）Length
Degree is 3-8mm, a diameter of 0.7-1mm.
7. reducing tracheal catheter external member according to claim 1, it is characterised in that：The roll-shaped elasticity tube body（1a）
Use that PVC material is made and its wall thickness is 1.5-2mm.
8. reducing tracheal catheter external member according to claim 3, it is characterised in that：The catheter body（1）Outside
Also it is arranged with garter spring, the garter spring is by catheter body（1）Banding is in tubular junction（4a）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720462906.4U CN207722204U (en) | 2017-04-28 | 2017-04-28 | Reducing tracheal catheter external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720462906.4U CN207722204U (en) | 2017-04-28 | 2017-04-28 | Reducing tracheal catheter external member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207722204U true CN207722204U (en) | 2018-08-14 |
Family
ID=63089549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720462906.4U Expired - Fee Related CN207722204U (en) | 2017-04-28 | 2017-04-28 | Reducing tracheal catheter external member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207722204U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111419301A (en) * | 2020-04-30 | 2020-07-17 | 上海英诺伟医疗器械有限公司 | Sheath, surgical assembly and method of use |
| CN111467628A (en) * | 2020-04-23 | 2020-07-31 | 汤苏红 | Oral trachea cannula fixer |
| CN111632243A (en) * | 2020-04-24 | 2020-09-08 | 曾兴强 | Contraction type tracheal catheter |
| CN112354071A (en) * | 2020-11-06 | 2021-02-12 | 淄博市中心医院 | External urinary clinical prostate expansion device |
| CN113289185A (en) * | 2021-05-25 | 2021-08-24 | 河南中医药大学第一附属医院 | Multifunctional trachea cannula |
| KR20230110872A (en) * | 2022-01-17 | 2023-07-25 | 경상국립대학교산학협력단 | Nasal bleeding reduction type nasopharyngeal airway maintainer |
-
2017
- 2017-04-28 CN CN201720462906.4U patent/CN207722204U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467628A (en) * | 2020-04-23 | 2020-07-31 | 汤苏红 | Oral trachea cannula fixer |
| CN111467628B (en) * | 2020-04-23 | 2022-10-25 | 汤苏红 | Oral trachea cannula fixer |
| CN111632243A (en) * | 2020-04-24 | 2020-09-08 | 曾兴强 | Contraction type tracheal catheter |
| CN111632243B (en) * | 2020-04-24 | 2023-01-31 | 曾兴强 | Contraction type tracheal catheter |
| CN111419301A (en) * | 2020-04-30 | 2020-07-17 | 上海英诺伟医疗器械有限公司 | Sheath, surgical assembly and method of use |
| CN112354071A (en) * | 2020-11-06 | 2021-02-12 | 淄博市中心医院 | External urinary clinical prostate expansion device |
| CN112354071B (en) * | 2020-11-06 | 2022-11-29 | 淄博市中心医院 | External urinary clinical prostate expansion device |
| CN113289185A (en) * | 2021-05-25 | 2021-08-24 | 河南中医药大学第一附属医院 | Multifunctional trachea cannula |
| CN113289185B (en) * | 2021-05-25 | 2024-03-08 | 河南中医药大学第一附属医院 | Multifunctional trachea cannula |
| KR20230110872A (en) * | 2022-01-17 | 2023-07-25 | 경상국립대학교산학협력단 | Nasal bleeding reduction type nasopharyngeal airway maintainer |
| KR102643842B1 (en) | 2022-01-17 | 2024-03-06 | 경상국립대학교산학협력단 | Nasal bleeding reduction type nasopharyngeal airway maintainer |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |