CN209529854U - A kind of tracheal catheter - Google Patents

Abstract

The utility model proposes a kind of tracheal catheters, including catheter body, inner sleeve and gas bag unit；Catheter body has the first insertion end and the first connecting pin, and the inner tubal wall of catheter body is in axial direction equipped with fool proof groove, is equipped with annular groove along circumferential direction；Inner sleeve has the second insertion end and second connection end, and the outer tube wall of inner sleeve is in axial direction equipped with fool proof raised line, is equipped with annular protrusion along circumferential direction；The detachably connected ventilator of second connection end, and fixture block is equipped between second connection end and the annular protrusion；When inner sleeve is inserted into catheter body, fool proof protrusion is entrenched in fool proof groove, and annular protrusion is entrenched in annular groove, and fixture block is resisted against on the first connecting pin；Gas bag unit is arranged in the catheter body；So as to which in the case where ensuring patient safety, phlegm scab, the phlegm being blocked in tracheal catheter are cleared up.

Description

A kind of tracheal catheter

Technical field

The utility model relates to the field of medical instrument technology, in particular to a kind of tracheal catheter.

Background technique

Endotracheal intubation refers to tracheal catheter by oral cavity or nasal cavity, and the technology through glottis merging tracheae, this technology has Have release respiratory tract obstruction, ensure respiration it is unobstructed, remove respiratory secretions, prevent from accidentally inhaling, assisted or controlling breathing The effects of, and be the main method of patient with general anesthesia and Cavity in Critical Patients holding effective ventilation.

Currently, suction sputum is an important measures in tracheal catheter in the treatment work of urgent patient, the purpose is to will exhale The secretion for inhaling road is sucked out in time, to maintain unobstructed artificial airway, the enough ventilations of guarantee and abundant gas exchanges, and meanwhile it is also right Pulmonary infection is prevented and treated to be of great significance.Existing suction sputum is mostly using open suction sputum, and nurse ceaselessly disconnects The connection of ventilator and tracheal catheter is inserted into sputum aspirator tube in tracheal catheter and carrys out suction sputum；Or humidifying is designed on tracheal catheter The dual-purpose pipe of suction sputum.Sputum can be smoothly sucked out in this, but when phlegm formation phlegm scab, or is blocked in tracheal catheter, then can not be suitable Benefit is sucked out；It replaces tracheal catheter again at this time, has respiratory tract to patient, be easy to cause asphyxia or big bleeding.

Utility model content

The utility model is intended to solve one of the technical problem in above-mentioned technology at least to a certain extent.For this purpose, this reality It is to propose a kind of tracheal catheter with novel purpose, by phlegm scab, tracheae can be blocked in leads in the case where ensuring patient safety Phlegm cleaning in pipe.

In order to achieve the above objectives, the utility model embodiment proposes a kind of tracheal catheter comprising:

Catheter body, the catheter body have the first insertion end and the first connecting pin, and the inner tubal wall of catheter body is along axis It is equipped with fool proof groove to direction, is equipped with annular groove along circumferential direction；

Inner sleeve, the inner sleeve have the second insertion end and second connection end, and the outer tube wall of inner sleeve is in axial direction Equipped with fool proof raised line, it is equipped with annular protrusion along circumferential direction；The detachably connected ventilator of second connection end, and second connects It connects and is equipped with fixture block between end and the annular protrusion；When the inner sleeve is inserted into the catheter body, the fool proof protrusion is embedding It closes in the fool proof groove, the annular protrusion is entrenched in the annular groove, and the fixture block is resisted against described first and connects It connects on end；

And gas bag unit, the gas bag unit are arranged in the catheter body.

It is recessed by being equipped with fool proof between inner sleeve and catheter body according to the tracheal catheter of the utility model embodiment The cooperation of slot, fool proof protrusion, annular groove, annular protrusion and fixture block can be quick when so that inner sleeve interior suction having the blocking of phlegm scab Replace inner sleeve；Fixture block plays position-limiting action, and when inner sleeve is inserted into catheter body, fixture block is resisted against the end face of the first connecting pin On；Annular protrusion, which is fitted into annular groove, can avoid inner sleeve sliding opposite with catheter body；Fool proof protrusion is fitted into fool proof groove can Inner sleeve and catheter body is avoided to relatively rotate；In this way, by phlegm scab, tracheae can be blocked in the case where ensuring patient safety Phlegm cleaning in conduit.

In addition, also there is following additional technical characteristic according to the tracheal catheter that the utility model above-described embodiment proposes:

According to the utility model embodiment, the fixture block to the axial distance between the annular protrusion is equal to described first Connecting pin is to the axial distance between the annular groove.

According to the utility model embodiment, the gas bag unit includes charge valve, outwardly extending along the catheter body Gas tube and the airbag body circumferentially formed along the catheter body outer tube wall, the airbag body, the gas tube with it is described Charge valve is successively connected with each other logical；The airbag body is located at the position of first insertion end.

According to the utility model embodiment, the airbag body includes the first air bag and the second air bag, first air bag With second air bag along the catheter body axial direction arranged for interval, and first air bag is under second air bag It is square, a gas tube and the charge valve are respectively connected on first air bag and second air bag.

It is wet equipped with first in the lower position of first air bag in the catheter body according to the utility model embodiment Change hole, the inner sleeve is equipped with the second humidifying hole being connected to first humidifying hole, and first humidifying hole connects humidifying Pipe, the humidifying pipe extend outwardly along the catheter body.

According to the utility model embodiment, in the catheter body between first air bag and second air bag Position is equipped with third humidifying hole, and the catheter body is equipped with the 4th humidifying hole in the top position of second air bag, described A humidifying pipe is respectively connected on third humidifying hole and the 4th humidifying hole.

According to the utility model embodiment, when the inner sleeve is inserted into the catheter body in place, second insertion End is flushed with first insertion end.

According to the utility model embodiment, when the inner sleeve is inserted into the catheter body, the outer tube of the inner sleeve Wall fits in the inner tubal wall of the catheter body.

Detailed description of the invention

Fig. 1 is the schematic diagram according to the tracheal catheter of the utility model embodiment；

Fig. 2 is according to the schematic diagram of the catheter body of the utility model embodiment；

Fig. 3 is the schematic diagram according to the inner sleeve of the utility model embodiment；

Description of symbols: catheter body 10, the first insertion end 11, the first connecting pin 12, fool proof groove 13, annular groove 14, the first humidifying hole 15, third humidifying hole 16, the 4th humidifying hole 17, inner sleeve 20, the second insertion end 21, second connection end 22, Fool proof raised line 23, annular protrusion 24, fixture block 25, pipe joint 26, the second humidifying hole 27, gas bag unit 30, charge valve 31, inflation Pipe 32, airbag body 33, the first air bag 331, the second air bag 332.

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, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the present invention it should be noted that term " axial direction, circumferential direction, top, lower section " of the utility model etc. is equal To be based on the orientation or positional relationship shown in the drawings.Terms above is intended merely to facilitate description the utility model and simplification is retouched It states, rather than the device or element of indication or suggestion the utility model must have a particular orientation, therefore should not be understood as pair The limitation of the utility model.

As shown in Figure 1, the utility model provides a kind of tracheal catheter, endotracheal intubation is carried out for hospital comprising lead Tube body 10, inner sleeve 20 and gas bag unit 30.Inner sleeve 20 is removably plugged in catheter body 10；Gas bag unit 30 It is arranged in catheter body 10；In this way, by the removably grafting of inner sleeve 20, so that being blocked when in tracheal catheter 10 by phlegm When, it can directly replace inner sleeve 20；During entirely replacement inner sleeve 20, position movement will not occur for outer tube 10, thus Sputum is effectively cleared up, ensures that the safety of patient, no longer needs to also reduce patient's calmness while reducing patient suffering The risk and economic pressures of patient.Because tracheal catheter needs anesthetist first to anaesthetize to tracheae when being inserted into popularity pipe, The step of re-operating endotracheal intubation again, the time is long；So directly replacement blocking tracheal catheter can be easy to cause asphyxia or Big bleeding.

Specifically, catheter body 10 uses plastic conduit with reference to Fig. 2, it can be mono-layer tube, can also be to accompany steel wire Bimetallic tube；The catheter body 10 has the first insertion end 11 and the first connecting pin 12, and the first insertion end 11 is for being inserted into human body gas Pipe；The inner tubal wall of catheter body 10 is in axial direction equipped with fool proof groove 13, is equipped with annular groove 14, fool proof ditch along circumferential direction Slot 13 is in the present embodiment the strip groove of consistent perforating tube body 10.

With reference to Fig. 3, inner sleeve 20 has the second insertion end 21 and a second connection end 22, the second insertion end 21 during installation, It is inserted into from the first connecting pin 12 close to the position of the first insertion end 11, the detachably connected ventilator of second connection end 22；It is interior The outer tube wall of casing 20 is in axial direction equipped with fool proof raised line 23, is equipped with annular protrusion 24, and second connection end along circumferential direction Fixture block 25 is equipped between 22 and annular protrusion 24；When inner sleeve 20 is inserted into catheter body 10, fool proof protrusion 23 is entrenched in fool proof In groove 13, annular protrusion 24 is entrenched in annular groove 14, and fixture block 25 is resisted against on the first connecting pin 12.Specifically, second Connecting pin 22 is equipped with pipe joint 26, and inner sleeve 20 can be connect by pipe joint 26 with ventilator；Inner sleeve 20 passes through fixture block 25 limits, so that inner sleeve 20 and catheter body 10 are assembled into tracheal catheter use, make on the end face of the first connecting pin 12 Used time, inner sleeve 20 are artificial respiration channel, and sputum aspirator tube can be inserted into inner sleeve 20 and carry out suction sputum operation, when phlegm scab is larger, The process of suction can be blocked on the inner tubal wall of inner sleeve 20, be blocked in tracheal catheter in this way, directly replacing inner sleeve 20 and can clear up Interior phlegm.In the present embodiment, annular protrusion 24 is fitted into annular groove 14 to can avoid inner sleeve 20 and catheter body 10 relatively sliding It is dynamic；Fool proof 23 chimeric fool proof grooves 13 of protrusion can avoid inner sleeve 20 and catheter body 10 relatively rotates；In this way, can be fast and safely Replacement assemble tracheal catheter, and then can be clear by phlegm scab, the phlegm being blocked in tracheal catheter in the case where ensuring patient safety Reason.

In conjunction with Fig. 2, gas bag unit 30 is arranged in catheter body 10.Specifically, gas bag unit 30 includes charge valve 31, edge The outwardly extending gas tube 32 of catheter body 10 and the airbag body 33 circumferentially formed along 10 outer tube wall of catheter body, airbag body 33, gas tube 32 is successively connected with each other logical with charge valve 31；Airbag body 33 is located at the position of the first insertion end 11.Such as This can be inflated, so that airbag body 33 expands contact when tracheal catheter is inserted in place by charge valve 31 to airbag body 33 Tracheal catheter is fixed on the positioning in person's windpipe mucous membrane at person's windpipe.In the present embodiment, gas tube 32 is that setting exists In the tube wall of catheter body 10, and the position of first connecting pin 12 is extended close to along the axial direction of catheter body 10, then to Outer extension is connect with charge valve 31.

Compressing for the single air bag of alleviation to person's windpipe mucous membrane, avoids tunica mucosa tracheae from damaging, in the present embodiment, air bag Ontology 33 includes the first air bag 331 and the second air bag 332, and the first air bag 331 and the second air bag 332 are along 10 axial direction side of catheter body To arranged for interval, and the first air bag 331 is all connected on the lower section of the second air bag 332, the first air bag 331 and the second air bag 332 There are a gas tube 32 and charge valve 31.In this way, inflation is replaced with the realization of the double bolloon of the second air bag 332 by the first air bag 331, It can be relieved compressing of the single air bag to person's windpipe mucous membrane.

In addition, it is equipped with the first humidifying hole 15 in the lower position of the first air bag 331 in catheter body 10 in the present embodiment, Inner sleeve 20 is equipped with the second humidifying hole 27 being connected to the first humidifying hole 15, and the first humidifying hole 27 connects a humidifying pipe, and (figure is not Show, it is existing structure that the setting of humidifying pipe is embedded on the tube wall of catheter body 10 as gas tube 32, is not done in detail Repeat), humidifying pipe extends outwardly along 10 tube wall of catheter body.In this way, setting by the first humidifying hole 15 and the second humidifying hole 27 It sets, when patient has phlegm, patient can be made in suction sputum, it is smooth to be still able to maintain breathing by humidifying hole oxygen supply or injection humidification fluid； And first humidifying hole 15 and the second humidifying hole 27 lower section of first air bag 331 is set, it is ensured that 331 lower section of the first air bag and its Sputum on 10 outer tube wall of catheter body of lower section is by humidifying.Certainly, can also be located in catheter body 10 first air bag 331 with Position between second air bag 332 is equipped with third humidifying hole 16；Top in catheter body 10 positioned at the second air bag 332 is equipped with 4th humidifying hole 17, in this way, providing multiple oxygen supply channels；It simultaneously can also be to the phlegm between the first air bag 331 and the second air bag 332 The sputum of 332 top of liquid and the second air bag carries out humidifying.In addition, the setting in above-mentioned humidifying hole, it can also be used to from humidifying hole Draw a small amount of sputum.

In some instances, fixture block 25 is recessed to annular equal to the first connecting pin 12 to the axial distance between annular protrusion 24 Axial distance between slot 14.In this way, annular protrusion 24 can be made accurately to be entrenched in annular groove 14.

In some instances, when inner sleeve 20 is inserted into catheter body 10 in place, the second insertion end 21 and the first insertion end 11 flush.In this way, avoiding between the second insertion end 21 and the first insertion end 11 that there are gaps, so that sputum adheres in gap.

In some instances, when inner sleeve 20 is inserted into catheter body 10, the outer tube wall of inner sleeve 20 fits in conduit sheet The inner tubal wall of body 10.In this way, making between inner sleeve 20 and catheter body 10 that there is no unnecessary clearances, the pine of inner sleeve 20 is caused It is dynamic.

The tracheal catheter of the present embodiment when in use, can operate insertion person's windpipe as existing tracheal catheter.When When blocking has phlegm in inner sleeve 20, i.e., when replacing inner sleeve 20, two hands of operator are held with a firm grip inner sleeve 20 and conduit sheet respectively Body 10, slightly firmly inner sleeve 20 can be separated with catheter body 10, after separation slowly and at the uniform velocity by inner sleeve 20 extraction, lose It abandons；It takes new inner sleeve 20 to install in catheter body 10 again, then connects ventilator.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

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, which should not be construed as, must be directed to identical embodiment or example.Moreover, description specific features, structure, material or Feature can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, those skilled in the art Different embodiments or examples described in this specification can be engaged and be combined by member.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (8)

1. a kind of tracheal catheter characterized by comprising

Catheter body, the catheter body have the first insertion end and the first connecting pin, and the inner tubal wall of catheter body is along axial direction side To fool proof groove is equipped with, it is equipped with annular groove along circumferential direction；

Inner sleeve, the inner sleeve have the second insertion end and second connection end, and the outer tube wall of inner sleeve is in axial direction equipped with Fool proof raised line is equipped with annular protrusion along circumferential direction；The detachably connected ventilator of second connection end, and second connection end Fixture block is equipped between the annular protrusion；When the inner sleeve is inserted into the catheter body, the fool proof protrusion is entrenched in In the fool proof groove, the annular protrusion is entrenched in the annular groove, and the fixture block is resisted against first connecting pin On；

And gas bag unit, the gas bag unit are arranged in the catheter body.

2. tracheal catheter as described in claim 1, it is characterised in that: the fixture block between the annular protrusion it is axial away from From equal to first connecting pin to the axial distance between the annular groove.

3. tracheal catheter as described in claim 1, it is characterised in that: the gas bag unit includes charge valve, along the conduit The outwardly extending gas tube of ontology and the airbag body circumferentially formed along the catheter body outer tube wall, the airbag body, institute State gas tube be successively connected with each other with the charge valve it is logical；The airbag body is located at close to the position of first insertion end Place.

4. tracheal catheter as claimed in claim 3, it is characterised in that: the airbag body includes the first air bag and the second gas Capsule, first air bag and second air bag are along the catheter body axial direction arranged for interval, and first air bag exists A gas tube and the inflation are respectively connected on the lower section of second air bag, first air bag and second air bag Valve.

5. tracheal catheter as claimed in claim 4, it is characterised in that: in the lower section of first air bag in the catheter body Position is equipped with the first humidifying hole, and the inner sleeve is equipped with the second humidifying hole for being connected to first humidifying hole, and described first Humidifying hole connects humidifying pipe, and the humidifying pipe extends outwardly along the catheter body.

6. tracheal catheter as claimed in claim 5, it is characterised in that: in the catheter body first air bag with it is described Position between second air bag is equipped with third humidifying hole, and is equipped in the catheter body in the top position of second air bag A humidifying pipe is respectively connected on 4th humidifying hole, third humidifying hole and the 4th humidifying hole.

7. tracheal catheter as described in claim 1, it is characterised in that: when the inner sleeve is inserted into the catheter body in place When, second insertion end is flushed with first insertion end.

8. tracheal catheter as described in claim 1, it is characterised in that: when the inner sleeve is inserted into the catheter body, institute The outer tube wall for stating inner sleeve fits in the inner tubal wall of the catheter body.