CN209475325U - A kind of tracheal catheter of improvement - Google Patents

Abstract

The utility model proposes a kind of tracheal catheters of improvement, including catheter body, inner sleeve, gas bag unit and hold assembly；Catheter body is equipped with fool proof groove, annular groove and channel；Hold assembly includes fixed ring and the clamping jaw that is arranged in channel, and clamping jaw one end is hinged in fixed ring, and extends outward grip part, and the other end is equipped with the crotch being connected in the insertion end of catheter body；Fixed ring is arranged in catheter body；When swinging grip part, pivot of the crotch towards insertion end；Inner sleeve is equipped with fool proof raised line, annular protrusion and fixture block；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 in fixed ring；Gas bag unit is arranged in catheter body；To make the tracheal catheter be cleared up for the sputum in the patient end of expanded balloon, person's windpipe and in tracheal catheter.

Description

A kind of tracheal catheter of improvement

Technical field

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

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.The sputum inside tracheal catheter can be smoothly sucked out in this, but in the patient end and person's windpipe of expanded balloon Interior sputum, then can not be successfully and be sucked out, long-term to accumulate influence patient respiration, causes cough of choking, easily leads to bacterium infection.

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, it can be in the patient end of expanded balloon, person's windpipe and tracheae is led Sputum in pipe is cleared up.

In order to achieve the above objectives, the utility model embodiment proposes a kind of tracheal catheter of improvement 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, and the tube wall of the catheter body is in axial direction equipped with The a plurality of channel for being connected to first insertion end with first connecting pin；

Hold assembly, the hold assembly include fixed ring and multiple folders being arranged in the channel correspondingly Pawl, described clamping jaw one end is hinged in the fixed ring, and extends outward grip part, and the other end is equipped with and is connected to described first Crotch in insertion end；The fixed ring is arranged on first connecting pin；When swinging the grip part, the crotch court The pivot of first insertion end；

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 the fixed ring On；

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

According to a kind of tracheal catheter of improvement of the utility model embodiment, by being equipped between inner sleeve and catheter body Fool proof groove, fool proof protrusion, annular groove, annular protrusion and fixture block cooperation can when so that inner sleeve interior suction having sputum blocking Quickly replacement inner sleeve；Additionally by the setting of hold assembly, the sputum in expanded balloon surface or person's windpipe can be pressed from both sides It holds into inner sleeve, then inner sleeve is extracted；In this way, the trouble of expanded balloon can be directed in the case where guaranteeing patient safety In person end, person's windpipe and it is blocked in the sputum of tracheal catheter and clears up.

In addition, a kind of tracheal catheter of the improvement proposed according to the utility model above-described embodiment, also has following additional Technical characteristic:

According to the utility model embodiment, the grip part is extended outward along the radial direction of the fixed ring, described Fixed ring is equipped with swing space, and circumferencial direction of the swing space for the grip part along the fixed ring is swung.

According to the utility model embodiment, the direction that the grip part is swung is identical as the direction that the crotch is swung.

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, second humidifying hole connection first Humidifying pipe, the first humidifying pipe extend outwardly along the inner sleeve tube wall.

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 is equipped with the 4th humidifying hole, institute in the top position of second air bag in the catheter body It states and is respectively connected with a humidifying pipe on third humidifying hole and the 4th humidifying hole.

According to the utility model embodiment, the fixture block to the axial distance between the annular protrusion is equal to the fixation The top surface of ring is to the axial distance between the annular groove.

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.

According to the utility model embodiment, the part-circular periphery radian phase of the radian of the crotch and first insertion end It is Chong Die with first insertion end when together, so that the crotch is connected in first insertion end.

Detailed description of the invention

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

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

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

Fig. 4 is the schematic diagram according to the hold assembly 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, hold assembly 40, fixed ring 41, swing space 411, clamping jaw 42, grip part 421, crotch 422.

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 the utility model term " it is axial, radially, circumferentially, top, under Side " etc. is to be based on the orientation or positional relationship shown in the drawings.Terms above be intended merely to facilitate description the utility model and Simplify description, rather than the device or element of indication or suggestion the utility model must have a particular orientation, therefore cannot manage Solution is limitations of the present invention.

As depicted in figs. 1 and 2, the utility model provides a kind of tracheal catheter, carries out endotracheal intubation, packet for hospital Include catheter body 10, inner sleeve 20, gas bag unit 30 and hold assembly 40.Inner sleeve 20 is removably plugged on catheter body In 10；Gas bag unit 30 is arranged in catheter body 10, and hold assembly 40 is arranged in catheter body 10；In this way, passing through inner sleeve The removably grafting of pipe 20, so that can directly replace inner sleeve 20 when being blocked in tracheal catheter 10 by phlegm；In entire replacement During casing 20, position movement will not occur for outer tube 10, to effectively clear up sputum, ensure that the safety of patient, It no longer needs to patient's calmness also reducing the risk and economic pressures of patient while reducing patient suffering.Because tracheae is led Pipe needs anesthetist first to anaesthetize to tracheae, then the step of re-operating endotracheal intubation, the time is long when being inserted into popularity pipe； So the tracheal catheter of directly replacement blocking can be easy to cause asphyxia or big bleeding.

Specifically, it is the bimetallic tube for accompanying steel wire that catheter body 10, which uses plastic conduit, with reference to Fig. 1；The conduit sheet 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 person's windpipe；Catheter body 10 Inner tubal wall is in axial direction equipped with fool proof groove 13, is equipped with annular groove 14 along circumferential direction, the tube wall of catheter body 10 is along axis The a plurality of channel for being connected to the first insertion end 11 with second connection end 12 is equipped with to direction；Fool proof groove 13 is in the present embodiment The strip groove of consistent perforating tube body 10, channel are the strip channel of consistent perforating tube body 10 in the present embodiment.

With reference to Fig. 3, hold assembly 40 includes fixed ring 41 and multiple clamping jaws 42 being arranged in channel correspondingly, folder 42 one end of pawl is hinged in fixed ring 41, and extends outward grip part 421, and the other end is equipped with and is connected in the first insertion end 11 Crotch 422；Fixed ring 41 is arranged on the first connecting pin 12；When swinging grip part 421, crotch 422 is towards the first insertion end 11 pivot；In this way, making crotch 422 towards the pivot of the first insertion end 11 by operation grip part 421, can inciting somebody to action It is attached to gas bag unit 30 or the clamping of endotracheal sputum, then cooperates sputum aspirator tube to clear up, or sputum is clamped into inner sleeve 20.Tool Body, fixed ring 41 has certain thickness；Grip part 421 is extended outward along the radial direction of fixed ring 41, fixed ring 41 It is equipped with swing space 411, circumferencial direction of the swing space 411 for grip part 421 along fixed ring 41 is swung.It is understood that , it is directed to each clamping jaw 42 in fixed ring 41, is along the circumferential direction equipped with the swing space 411 similar to triangle, swing space 411 thickness is identical as the diameter of clamping jaw；In this way, swinging grip part 421 in swing space 411, crotch 422 can be driven towards the The pivot of one insertion end 11, and then clamp crotch 422 can by the sputum in the patient end and person's windpipe of expanded balloon Firmly.In the present embodiment, the direction that grip part 421 is swung is identical as the direction that crotch 422 is swung, i.e., crotch 422 is inserted towards first When the pivot for entering end 11 is clockwise oscillation, the setting of swing space 41 so that grip part 421 can only along clockwise oscillation, It is swung to outside the first insertion end 11 to can avoid crotch 422 and injures tracheae.Further, the material of clamping jaw 42 is stainless steel Material, the inner wall face contact of stainless steel clamping jaw 42 and channel, and can be rotated in channel.The radian of crotch 422 and the first insertion The part-circular periphery radian at end 11 is identical, Chong Die with the first insertion end 11 when so that crotch 422 being connected in the first insertion end 11. In this way, can further avoid crotch 422 expands outwardly injury tracheae.

With reference to Fig. 2, 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 top surface of fixed ring 41.Specifically, the Two connecting pins 22 are equipped with pipe joint 26, and inner sleeve 20 can be connect by pipe joint 26 with ventilator；Inner sleeve 20 passes through card Block 25 limits on the top surface of fixed ring 41, so that inner sleeve 20 and catheter body 10 are assembled into tracheal catheter use, uses When, inner sleeve 20 is artificial respiration channel, and sputum aspirator tube can be inserted into the progress suction sputum operation of inner sleeve 20 and inhale when sputum is larger Process can be blocked on the inner tubal wall of inner sleeve 20, in this way, directly replacement inner sleeve 20 can be cleared up and is blocked in tracheal catheter Sputum.In the present embodiment, annular protrusion, which is fitted into annular groove, can avoid inner sleeve sliding opposite with catheter body；Fool proof is convex Playing chimeric fool proof groove can avoid inner sleeve and catheter body relative rotation；It is led in this way, assembly tracheae can be replaced fast and safely Pipe, and then can clear up the phlegm being blocked in tracheal catheter in the case where ensuring patient safety.

In conjunction with Fig. 1, 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 second 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 inner sleeve 20.In this way, passing through the setting in the first humidifying hole 15 and the second humidifying hole 27, work as trouble When person 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 The lower section of the first air bag 331 is arranged in humidifying hole 15 and the second humidifying hole 27, it is ensured that humidification fluid efficiently acts against on sputum. Certainly, can also position in catheter body 10 between the first air bag 331 and the second air bag 332 be equipped with third humidifying hole 16；It is equipped with the 4th humidifying hole 17 positioned at the top of the second air bag 332 in catheter body 10, in this way, providing multiple oxygen supply channels； The sputum of 332 top of sputum and the second air bag between the first air bag 331 and the second air bag 332 can also be carried out simultaneously wet Change.In addition, the setting in above-mentioned humidifying hole, it can also be used to draw sputum from humidifying hole.

In some instances, fixture block 25 is recessed to annular equal to 42 top surface of fixed ring 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, 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.

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.

The tracheal catheter of the present embodiment when in use, can operate insertion person's windpipe as existing tracheal catheter.When Air bag or when intratracheally having larger sputum, swingable grip part 421 clamps crotch 422 into inner sleeve sputum, then in replacing Casing 20；When replacement, two hands of operator are held with a firm grip inner sleeve 20 and catheter body 10 respectively, slightly firmly can by inner sleeve 20 with Catheter body 10 separate, after separation slowly and at the uniform velocity by inner sleeve 20 extract, abandon；New inner sleeve 20 is taken to install into leading again In tube body 10, ventilator is then connected.

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 (10)

1. a kind of tracheal catheter of improvement 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 be equipped with fool proof groove, along circumferential direction be equipped with annular groove, and the tube wall of the catheter body be in axial direction equipped with it is a plurality of The channel that first insertion end is connected to first connecting pin；

Hold assembly, the hold assembly include fixed ring and multiple clamping jaws being arranged in the channel correspondingly, institute It states clamping jaw one end to be hinged in the fixed ring, and extends outward grip part, the other end, which is equipped with, is connected to first insertion Crotch on end；The fixed ring is arranged on first connecting pin；When swinging the grip part, the crotch is towards described The pivot of first insertion end；

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 in the fixed ring；

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

2. a kind of tracheal catheter of improvement as described in claim 1, it is characterised in that: the grip part is along the fixed ring Radial direction extends outward, and the fixed ring is equipped with swing space, and the swing space is for the grip part along described The circumferencial direction of fixed ring is swung.

3. a kind of tracheal catheter of improvement as claimed in claim 2, it is characterised in that: the direction and institute that the grip part is swung The direction for stating crotch swing is identical.

4. a kind of tracheal catheter of improvement as described in claim 1, it is characterised in that: the gas bag unit include charge valve, Along the outwardly extending gas tube of the catheter body and the airbag body circumferentially formed along the catheter body outer tube wall, the gas Capsule ontology, the gas tube are successively connected with each other logical with the charge valve；The airbag body is located at close to first insertion At the position at end.

5. a kind of tracheal catheter of improvement as claimed in claim 4, it is characterised in that: the airbag body includes the first air bag With the second air bag, first air bag and second air bag are along the catheter body axial direction arranged for interval, and described the One air bag be respectively connected on the lower section of second air bag, first air bag and second air bag gas tube and The charge valve.

6. a kind of tracheal catheter of improvement as claimed in claim 5, it is characterised in that: described first in the catheter body The lower position of air bag is equipped with the first humidifying hole, and the inner sleeve is equipped with the second humidifying being connected to first humidifying hole Hole, first humidifying hole connect humidifying pipe, and the humidifying pipe extends outwardly along the catheter body.

7. a kind of tracheal catheter of improvement as claimed in claim 6, it is characterised in that: described first in the catheter body Position between air bag and second air bag is equipped with third humidifying hole, and in the upper of second air bag in the catheter body Orientation has installed the 4th humidifying hole, is respectively connected with a humidifying pipe on third humidifying hole and the 4th humidifying hole.

8. a kind of tracheal catheter of improvement as described in claim 1, it is characterised in that: the fixture block to the annular protrusion it Between axial distance be equal to the top surface of the fixed ring to the axial distance between the annular groove.

9. a kind of tracheal catheter of improvement as described in claim 1, it is characterised in that: when the inner sleeve is inserted into the conduit When ontology, the outer tube wall of the inner sleeve fits in the inner tubal wall of the catheter body.

10. a kind of tracheal catheter of improvement as described in claim 1, it is characterised in that: the radian of the crotch and described the The part-circular periphery radian of one insertion end is identical, when so that the crotch being connected in first insertion end, inserts with described first Enter end overlapping.