CN112369998A - Rapid guide intubation laryngoscope and intubation method - Google Patents

Abstract

A laryngoscope for fast guiding intubation and an intubation method comprise a laryngoscope lens, a handheld piece, a guiding mechanism, a tube clamping mechanism and a visual system, wherein the handheld piece is connected with one side of the pushing-in end of the laryngoscope lens on two different crossed axes, the guiding piece of the guiding mechanism is in sliding fit with the guiding groove of the laryngoscope lens, the clamping piece and the guiding piece of the tube clamping mechanism are connected and positioned in the tracheal groove of the laryngoscope lens, the camera of the visual system is positioned at the inserting end of the laryngoscope lens, a display is connected with the handheld piece, the tube clamping mechanism clamps the trachea or releases the trachea, the guiding mechanism drives the guiding piece to drive the trachea to go deep into the throat of a patient, and the visual system observes scenes during tracheal intubation in real time. The invention overcomes the problems of discomfort of a patient caused by unstable trend of the original tracheal cannula, long intubation time and inflexibility caused by limited operation space, and has the characteristics of simple structure, wide operation space range, flexible operation, stable trend of the tracheal cannula, short intubation time and good comfort.

Description

Rapid guide intubation laryngoscope and intubation method

Technical Field

The invention belongs to the technical field of laryngoscope intubation, and relates to a laryngoscope capable of quickly guiding intubation and an intubation method.

Background

When a laryngoscope used in medical clinic is used for tracheal intubation, because the hand-held piece of the laryngoscope and the laryngoscope lens are mutually connected on the same axis, when the laryngoscope lens is inserted into the throat of a patient, an operator can only stand behind the head of the patient, and the patient must lie on the back completely, so that the operation space and range of the operator are limited; secondly, after the laryngoscope blade is inserted into the throat of a patient, the trachea is inserted into the throat of the patient by means of manual operation of an operator, so that the trachea extends into the throat of the patient along the laryngoscope blade, the operation method of the operator is difficult to control the trend of the front end of the trachea, discomfort of the patient is easily caused, the intubation time is prolonged, and the diagnosis and treatment effect is affected.

Disclosure of Invention

The invention aims to solve the technical problem of providing a laryngoscope capable of quickly guiding intubation and an intubation method, the laryngoscope is simple in structure, a handheld piece is connected with one side of the pushing end of a laryngoscope lens on two different crossed axes, a guide piece of a guide mechanism is in sliding fit with a guide groove of the laryngoscope lens, a clamping piece and a guide piece of a tube clamping mechanism are connected and positioned in an airway groove of the laryngoscope lens, a camera of a visual system is positioned at the inserting end of the laryngoscope lens, a display is connected with the handheld piece, the tube clamping mechanism clamps an airway or releases the airway, the guide mechanism drives the guide piece to drive the airway to go deep into the throat of a patient, the visual system observes scenes during endotracheal intubation in real time, and the laryngoscope is large in operation space range, flexible in operation, stable in endotracheal intubation trend, short in intubation time and good in comfort.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a fast guide intubation laryngoscope comprises a laryngoscope lens, a hand piece, a guide mechanism, a tube clamping mechanism and a visual system; the handheld piece is connected with one side of the pushing end of the laryngoscope lens, the handheld piece and the pushing end are located on two different axes, the guide piece of the guide mechanism is in sliding fit with the guide groove of the laryngoscope lens, the clamping piece of the pipe clamping mechanism is connected with the guide piece and located in the air pipe groove of the laryngoscope lens, the camera of the visual system is located at the inserting end of the laryngoscope lens, and the display is connected with the handheld piece.

The outer arc surface of the laryngoscope lens is provided with a tracheal tube groove communicated with the guide groove, and the guide groove and the tracheal tube groove extend from the push-in end to the insertion end of the laryngoscope lens.

The guide mechanism comprises a gear connected with the output end of the micro motor, a rack meshed with the gear, and a guide sheet connected with the rack.

The micromotor is positioned in a motor cavity of the hand piece, a power supply in the power supply cavity is electrically connected with the micromotor, and the micromotor is controlled by the guide switch and the exit switch.

The guide piece is an elastic piece, is in a horizontal state when not constrained, and is in a bent arc shape when constrained.

The pipe clamping mechanism comprises a clamping piece, a grommet, a fixing ring, a release cable and a trigger; the release cable passes through the cable rings on the clamping pieces, and two ends of the release cable are respectively connected with the fixing ring and the trigger.

The clamping piece is of an arc-shaped structure, the opening end of one side is connected with the guide piece, and the grommet is positioned outside the opening end of the other side and is connected with the opening end.

The fixing ring is fixed close to the insertion end of the laryngoscope blade, and the release cable penetrates through the push-in end of the laryngoscope blade and is connected with the trigger.

The visual system comprises a display connected with a camera, the camera is positioned on one side of the insertion end of the laryngoscope lens, the display is hinged with the handheld piece, the display is electrically connected with the power supply, and the control switch controls the opening and the closing.

The intubation method for rapidly guiding the intubation laryngoscope comprises the following steps:

s1, clamping the tube, placing the trachea in the trachea groove of the laryngoscope lens, and clamping by the clamping sheet; at the moment, the front end of the air pipe is positioned in the air pipe groove and does not extend out of the insertion end, and the other end of the air pipe extends out of the push-in end;

s2, starting video shooting, turning over the display to enable the display to vertically protrude from the handheld piece to face an operator, and pressing down the control switch to close a circuit of the display; at the moment, the projection shot by the camera is displayed on the display screen of the display;

s3, inserting the laryngoscope, wherein the operator holds the hand piece by hand and stands behind the head of the patient or at one side of the head of the patient, and inserts the inserting end of the laryngoscope lens into the throat from the oral cavity of the patient; at this time, the patient lies on his back or sits up slightly; after the insertion end reaches the throat of a patient, a camera positioned on one side of the insertion end displays the scene of the throat on a display screen of a display;

s4, inserting the tube, pressing the guide switch, rotating the micro-motor drive gear to drive the rack to push the guide piece to extend towards the insertion end of the laryngoscope lens, the trachea clamped by the clamping piece extends synchronously therewith, and the grommet slides along the release cable; at the moment, the position of the trachea penetrating into the throat of the patient can be observed from the display screen of the display, and when the front end of the trachea reaches the proper position of the throat of the patient, the guide switch is released;

s5, taking out the laryngoscope, pulling the trigger to make the release cable in a tense state to pull the clamping piece to open and close to the trachea groove, separating the trachea from the clamping of the clamping piece, and loosening the trigger; the exit switch is pressed, the micromotor drives the gear to rotate and drives the rack to enable the guide piece to retract towards the pushing end of the laryngoscope lens, and the grommet slides along the release cable; at the moment, the retraction position of the guide piece can be observed from the display screen of the display, when the front end of the guide piece retracts to the guide groove, the exit switch is loosened, the laryngoscope lens is pulled out, and at the moment, the front end of the trachea is positioned at the throat of a patient.

A fast guide intubation laryngoscope comprises a laryngoscope lens, a hand piece, a guide mechanism, a tube clamping mechanism and a visual system; the handheld piece is connected with one side of the pushing end of the laryngoscope lens, the handheld piece and the pushing end are located on two different axes, the guide piece of the guide mechanism is in sliding fit with the guide groove of the laryngoscope lens, the clamping piece of the pipe clamping mechanism is connected with the guide piece and located in the air pipe groove of the laryngoscope lens, the camera of the visual system is located at the inserting end of the laryngoscope lens, and the display is connected with the handheld piece. Simple structure, push away the end one side with handheld piece and laryngoscope piece through on the crossed axis of two differences and be connected, guide plate through guide mechanism and the guide groove sliding fit of laryngoscope piece, the holding piece of pressing from both sides tub mechanism is connected the trachea inslot that is located the laryngoscope piece with the guide piece, visual system's camera is located the inserting end of laryngoscope piece, the display is connected with handheld piece, through pressing from both sides tub mechanism centre gripping trachea or release trachea, guide mechanism drive guide piece drives the trachea and gos deep into patient's throat, scene when visual system observes trachea cannula in real time, operating space scope is big, the flexible operation, trachea cannula moves towards stably, the intubate time is short, the travelling comfort is good.

In a preferred scheme, the outer arc surface of the laryngoscope lens is provided with a tracheal groove communicated with a guide groove, and the guide groove and the tracheal groove extend from the push-in end to the insertion end of the laryngoscope lens. Simple structure, during the preparation, laryngoscope piece is the arc structure, and the trachea trench is located outer arcwall face, and trachea trench and guiding groove communicate each other, extend to from the push-in end of laryngoscope piece and insert the end, and before the intubate, the trachea is located the trachea inslot.

In a preferred scheme, the guide mechanism comprises a gear connected with the output end of the micromotor, a rack meshed with the gear, and a guide piece connected with the rack. Simple structure, during the use, micromotor drive gear rotatory promotion rack drives the guide piece and stretches out and draws back along the guiding groove, and the trachea is held to the holding piece centre gripping on fixed and the guide piece, and trend when making trachea cannula is reliable and stable, shortens the intubate time, makes patient's travelling comfort obtain improving.

In a preferred scheme, the micro motor is positioned in a motor cavity of the hand piece, a power supply in the power supply cavity is electrically connected with the micro motor, and the micro motor is controlled by the guide switch and the exit switch. The structure is simple, when the micro-motor is used, the micro-motor is positioned in a motor cavity of the hand piece, a gear connected with the output end of the micro-motor extends into the laryngoscope blade to be meshed with a rack connected with the guide blade, the guide switch and the exit switch of the micro-motor are positioned on the hand piece, the micro-motor drives the guide blade to extend when the guide switch is closed, the micro-motor drives the guide blade to retract when the guide switch is loosened and the exit switch is closed.

In a preferred scheme, the guide piece is an elastic piece, is in a horizontal state when not constrained, and is in a bent arc shape when constrained. Simple structure, during the preparation, the guide piece adopts stainless steel, is the horizontality under the external force restraint, is the arc form after receiving the external force restraint, is favorable to cooperating with curved guiding groove, makes it be unlikely to the jamming along the gliding in-process of curved guiding groove.

In a preferred scheme, the pipe clamping mechanism comprises a clamping piece, a grommet, a fixing ring, a release cable and a trigger; the release cable passes through the cable rings on the clamping pieces, and two ends of the release cable are respectively connected with the fixing ring and the trigger. The structure is simple, when in use, the trigger is pulled to make the release rope tighten and pull the clamping piece, so that the opening of the clamping piece expands the release air pipe.

In a preferred scheme, the clamping piece is of an arc-shaped structure, the opening end of one side is connected with the guide piece, and the grommet is positioned outside the opening end of the other side and is connected with the guide piece. Simple structure, before the patient inserts the laryngoscope, the trachea is placed in the grip block in from grip block open-ended one side and is held, and the trachea is crooked pastes tight guide piece, and the trachea is deep in patient's throat after, and the release cable one end that passes the grommet on the grip block is fixed with solid fixed ring, and the other end passes the cable hole that the laryngoscope lens is close to the push-in end and is fixed with the trigger, and release cable atress is tightened when pulling the trigger, and the open end of pulling grip block opens release trachea.

In a preferred embodiment, the retainer ring is secured adjacent the insertion end of the laryngoscope blade and the release cable is connected to the trigger through the push end of the laryngoscope blade. Simple structure, during the use, solid fixed ring is close to the inserting end of laryngoscope piece, and the release cable passes a plurality of becket bridles of being connected with the centre gripping piece, synchronous pulling becket bridle when the release cable is tightened for a plurality of centre gripping pieces open simultaneously, are favorable to releasing the trachea in the very short time.

In the preferred scheme, the visual system comprises a display connected with a camera, the camera is positioned on one side of the insertion end of the laryngoscope lens, the display is hinged with the handheld piece, the display is electrically connected with a power supply, and the control switch controls the opening and the closing. Simple structure, during the use, the switching of control switch control display, the camera is in operating condition behind the display switching, in time acquires the scene of shooing to on transmitting this scene to the display screen of display, the operator of being convenient for observes the intubate.

In a preferred embodiment, the intubation method for rapidly guiding an intubation laryngoscope as described above comprises the following steps:

s1, clamping the tube, placing the trachea in the trachea groove of the laryngoscope lens, and clamping by the clamping sheet; at the moment, the front end of the air pipe is positioned in the air pipe groove and does not extend out of the insertion end, and the other end of the air pipe extends out of the push-in end;

s2, starting video shooting, turning over the display to enable the display to vertically protrude from the handheld piece to face an operator, and pressing down the control switch to close a circuit of the display; at the moment, the projection shot by the camera is displayed on the display screen of the display;

s3, inserting the laryngoscope, wherein the operator holds the hand piece by hand and stands behind the head of the patient or at one side of the head of the patient, and inserts the inserting end of the laryngoscope lens into the throat from the oral cavity of the patient; at this time, the patient lies on his back or sits up slightly; after the insertion end reaches the throat of a patient, a camera positioned on one side of the insertion end displays the scene of the throat on a display screen of a display;

s4, inserting the tube, pressing the guide switch, rotating the micro-motor drive gear to drive the rack to push the guide piece to extend towards the insertion end of the laryngoscope lens, the trachea clamped by the clamping piece extends synchronously therewith, and the grommet slides along the release cable; at the moment, the position of the trachea penetrating into the throat of the patient can be observed from the display screen of the display, and when the front end of the trachea reaches the proper position of the throat of the patient, the guide switch is released;

s5, taking out the laryngoscope, pulling the trigger to make the release cable in a tense state to pull the clamping piece to open and close to the trachea groove, separating the trachea from the clamping of the clamping piece, and loosening the trigger; the exit switch is pressed, the micromotor drives the gear to rotate and drives the rack to enable the guide piece to retract towards the pushing end of the laryngoscope lens, and the grommet slides along the release cable; at the moment, the retraction position of the guide piece can be observed from the display screen of the display, when the front end of the guide piece retracts to the guide groove, the exit switch is loosened, the laryngoscope lens is pulled out, and at the moment, the front end of the trachea is positioned at the throat of a patient. The method is simple and convenient to operate, and the laryngoscope can be quickly inserted and taken out in a very short time.

A laryngoscope for fast guiding intubation and an intubation method comprise a laryngoscope lens, a handheld piece, a guiding mechanism, a tube clamping mechanism and a visual system, wherein the handheld piece is connected with one side of the pushing-in end of the laryngoscope lens on two different crossed axes, the guiding piece of the guiding mechanism is in sliding fit with the guiding groove of the laryngoscope lens, the clamping piece and the guiding piece of the tube clamping mechanism are connected and positioned in the tracheal groove of the laryngoscope lens, the camera of the visual system is positioned at the inserting end of the laryngoscope lens, a display is connected with the handheld piece, the tracheal tube is clamped or released through the tube clamping mechanism, the guiding mechanism drives the guiding piece to drive the tracheal tube to go deep into the throat of a patient, and the visual system observes a scene during tracheal intubation in real time. The invention overcomes the problems of discomfort of a patient caused by unstable trend of the original tracheal cannula, long intubation time and inflexibility caused by limited operation space, and has the characteristics of simple structure, wide operation space range, flexible operation, stable trend of the tracheal cannula, short intubation time and good comfort.

Drawings

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a rear view of fig. 2.

Fig. 4 is a schematic top view of fig. 2.

Fig. 5 is a schematic cross-sectional view at a-a of fig. 4.

Fig. 6 is an enlarged schematic view of fig. 5 at B.

FIG. 7 is a schematic view of the connection between the guide plate and the tube clamping mechanism according to the present invention.

Fig. 8 is a front view of fig. 7.

Fig. 9 is a schematic structural view of the hand piece.

Fig. 10 is a front view of fig. 9.

Fig. 11 is a schematic view of the internal structure of the hand piece.

Fig. 12 is a schematic structural view of the display connected with the hand piece after being turned over.

In the figure: the laryngoscope blade 1, the trachea groove 11, the guide groove 12, the pushing end 13, the inserting end 14, the hand piece 2, the motor cavity 21, the power cavity 22, the power supply 23, the guide mechanism 3, the micromotor 31, the gear 32, the rack 33, the guide sheet 34, the guide switch 35, the exit switch 36, the pipe clamping mechanism 4, the clamping sheet 41, the grommet 42, the fixing ring 43, the release rope 44, the trigger 45, the visual system 5, the camera 51, the display 52 and the control switch 53.

Detailed Description

As shown in fig. 1-12, a rapid guiding intubation laryngoscope comprises a laryngoscope lens 1, a hand piece 2, a guiding mechanism 3, a tube clamping mechanism 4 and a visual system 5; the handheld piece 2 is connected with one side of a pushing end 13 of the laryngoscope lens 1, the handheld piece 2 and the pushing end 13 are located on two different axes, a guide sheet 34 of the guide mechanism 3 is in sliding fit with a guide groove 12 of the laryngoscope lens 1, a clamping sheet 41 of the pipe clamping mechanism 4 is connected with the guide sheet 34 and located in an air pipe groove 11 of the laryngoscope lens 1, a camera of the visual system 5 is located at an insertion end 14 of the laryngoscope lens 1, and the display 52 is connected with the handheld piece 2. Simple structure, through being connected handheld piece 2 and 13 one side of push-in end of laryngoscope piece 1 on the cross axis of two differences, guide piece 34 through guide mechanism 3 and 12 sliding fit of guide groove of laryngoscope piece 1, the holding piece 41 and the guide piece 34 of double-layered pipe mechanism 4 are connected and are located the trachea groove 11 of laryngoscope piece 1, visual system 5's camera is located the end 14 that inserts of laryngoscope piece 1, display 52 is connected with handheld piece 2, through 4 centre gripping tracheas of double-layered pipe mechanism or release trachea, guide mechanism 3 drive guide piece 34 drives the trachea and gos deep into patient's throat, scene when visual system 5 observes trachea cannula in real time, operating space scope is big, the flexible operation, trachea cannula moves towards stably, the intubate time is short, the travelling comfort is good.

In a preferred scheme, the outer arc surface of the laryngoscope lens 1 is provided with a tracheal groove 11 communicated with a guide groove 12, and the guide groove 12 and the tracheal groove 11 extend from a push-in end 13 to an insertion end 14 of the laryngoscope lens 1. Simple structure, during the preparation, laryngoscope piece 1 is the arc structure, and trachea groove 11 is located outer arc face, and trachea groove 11 and guiding groove 12 communicate each other, extend to inserting end 14 from push-in end 13 of laryngoscope piece 1, and before the intubate, the trachea is located trachea groove 11.

In a preferred embodiment, the guiding mechanism 3 comprises a gear 32 connected to the output end of the micro-motor 31, a rack 33 engaged with the gear 32, and a guiding piece 34 connected to the rack 33. Simple structure, during the use, micromotor 31 drive gear 32 is rotatory to be promoted rack 33 and is driven guide piece 34 and stretch out and draw back along guide groove 12, and fixed and the centre gripping piece 41 centre gripping trachea on the guide piece 34, trend when making trachea cannula is reliable and stable, shortens the intubate time, makes patient's travelling comfort obtain improving.

In a preferred scheme, the micromotor 31 is positioned in the motor cavity 21 of the hand piece 2, the power supply 23 in the power supply cavity 22 is electrically connected with the micromotor 31, and the micromotor 31 is controlled by the guide switch 35 and the exit switch 36. The structure is simple, when the miniature motor 31 is used, the miniature motor 31 is positioned in the motor cavity 21 of the hand piece 2, the gear 32 connected with the output end of the miniature motor extends into the laryngoscope lens 1 to be meshed with the rack 33 connected with the guide sheet 34, the guide switch 35 and the exit switch 36 of the miniature motor 31 are positioned on the hand piece 2, the miniature motor 31 drives the guide sheet 34 to extend when the guide switch 35 is closed, the miniature motor 31 stops when the guide switch 35 is loosened, and the miniature motor 31 drives the guide sheet 34 to retract when the exit switch 36 is closed.

Preferably, the guide switch 35 and the exit switch 36 are located on the hand piece 2, and when the hand piece 2 is held by hand, the guide switch 35 and the exit switch 36 are located close to the thumb for easy operation.

Preferably, during operation, the patient lies on the back or sits and stands and slightly faces upward, the operator is positioned at the head of the patient or one side of the head of the patient and inserts the laryngoscope blade 1, the axis of the laryngoscope blade 1 is consistent with that of the throat of the patient, the hand piece 2 and the throat of the patient are not on the same axis, the operation space is large, the operation range is selectable, the operation is flexible, and the adaptability is good.

In a preferred embodiment, the guiding piece 34 is an elastic piece, and is horizontal when unconstrained and curved when constrained. Simple structure, during the preparation, guide piece 34 adopts stainless steel, is the horizontality under the external force restraint, is the arc form after receiving the external force restraint, is favorable to cooperating with curved guiding groove 12, makes it be unlikely to the jamming along the gliding in-process of curved guiding groove 12.

In a preferred scheme, the pipe clamping mechanism 4 comprises a clamping sheet 41, a grommet 42, a fixing ring 43, a release cable 44 and a trigger 45; the release cable 44 passes through the grommet 42 of the plurality of holding pieces 41, and both ends of the release cable 44 are connected to the fixing ring 43 and the trigger 45, respectively. The structure is simple, when in use, the trigger 45 is pulled to make the release rope 44 tighten and pull the clamping piece 41, so that the opening of the clamping piece 41 expands to release the air pipe.

Preferably, the trigger 45 is moved closer to the index finger when the hand piece 2 is held for convenient operation.

In a preferred embodiment, the clamping piece 41 has an arc-shaped structure, the open end of one side is connected with the guiding piece 34, and the grommet 42 is located outside the open end of the other side and connected therewith. Simple structure, before the patient inserts the laryngoscope, the trachea is placed in the holding piece 41 from holding piece 41 open-ended one side and is held, and the trachea is crooked pastes tight guide piece 34, and behind the trachea deepened patient's larynx, the release cable 44 one end that passes grommet 42 on holding piece 41 is fixed with solid fixed ring 43, and the other end passes laryngoscope lens 1 and is close to the cable hole and the trigger 45 of push-in end 13 and fix, and release cable 44 atress is tightened when pulling trigger 45, and the open end of pulling holding piece 41 opens the release trachea.

Preferably, the fixing ring 43 and the cable hole are located on the same side of the tracheal tube 11, and the holding pieces 41 do not protrude out of the tracheal tube 11 after being opened, so as to prevent the holding pieces 41 from touching the laryngeal wall of the patient when being opened.

In the preferred embodiment, the retainer ring 43 is secured adjacent the insertion end 14 of the laryngoscope blade 1 and the release cable 44 is connected to the trigger 45 through the push-in end 13 of the laryngoscope blade 1. The structure is simple, when in use, the fixing ring 43 is close to the insertion end 14 of the laryngoscope lens 1, the release cable 44 passes through the plurality of cable rings 42 connected with the clamping sheets 41, and the cable rings 42 are synchronously pulled when the release cable 44 is tightened, so that the plurality of clamping sheets 41 are simultaneously opened, and the trachea is released in a very short time.

In a preferred scheme, the visual system 5 comprises a display 52 connected with a camera 51, the camera 51 is positioned at one side of the insertion end 14 of the laryngoscope lens 1, the display 52 is hinged with the hand piece 2, the display 52 is electrically connected with the power supply 23, and the control switch 53 controls the opening and the closing. Simple structure, during the use, control switch 53 control display 52's switching, camera 51 is in operating condition behind the display 52 switching, in time acquires the scene of shooing to on transmitting this scene to display screen of display 52, the operator of being convenient for observes the intubate.

Preferably, the display 52 is hinged to one side of the handpiece 2 and is rotated and folded to bring the screen of the display closely adjacent to the side of the handpiece 2 after surgery or before operation, thereby avoiding scratching the screen.

Preferably, the control switch 53 is located on the side of the hand piece 2, the display 52 is hidden under the display 52 after the operation or before the operation, and the display 52 is rotated to make the display face the operator during the operation, so that the control switch 53 can be pressed, the operation process is simplified, and the power consumption caused by pressing the control switch 53 in advance is avoided.

Preferably, the display 52 and the camera 51 are connected in a wired or wireless manner, and when the wired connection is adopted, a cable connected with the display 52 is led to the insertion end 14 from a wire hole of the pushing end 13 of the laryngoscope blade 1 to be connected with the camera 51, so that the cable is positioned in the laryngoscope blade 1.

In a preferred embodiment, the intubation method for rapidly guiding an intubation laryngoscope as described above comprises the following steps:

s1, clamping the tube, placing the trachea in the trachea groove 11 of the laryngoscope lens 1, and clamping by the clamping sheet 41; at the moment, the front end of the air pipe is positioned in the air pipe groove 11 and does not extend out of the insertion end 14, and the other end of the air pipe extends out of the push-in end 13;

s2, turning on video camera, turning the display 52 to protrude vertically from the hand piece 2 towards the operator, and pressing the control switch 53 to close the circuit of the display 52; at this time, the projection taken by the camera is displayed on the display screen of the display 52;

s3, inserting the laryngoscope, wherein the operator holds the hand piece 2 by hand and stands behind the head of the patient or at one side of the head of the patient, and inserts the inserting end 14 of the laryngoscope blade 1 into the throat from the oral cavity of the patient; at this time, the patient lies on his back or sits up slightly; after the insertion end 14 reaches the throat of a patient, a camera 51 positioned at one side of the insertion end 14 displays the scene of the throat on a display screen of a display 52;

s4, inserting the tube, pressing the guide switch 35, the micromotor 31 driving the gear 32 to rotate and driving the rack 33 to push the guide piece 34 to extend towards the insertion end 14 of the laryngoscope blade 1, the trachea clamped by the clamping piece 41 extends synchronously therewith, and the grommet 42 slides along the release cable 44; at this time, the position of the trachea deep into the patient's larynx can be observed from the display screen of the display 52, and when the front end of the trachea reaches the proper position of the patient's larynx, the guide switch 35 is released;

s5, taking out the laryngoscope, pulling the trigger 45 to make the release cable 44 in a tense state to pull the clamping piece 41 to open and close to the trachea slot 11, separating the trachea from the clamping of the clamping piece 41, and loosening the trigger 45; when the withdrawing switch 36 is pressed, the micromotor 31 drives the gear 32 to rotate and drive the rack 33 to retract the guide piece 34 towards the pushing end 13 of the laryngoscope lens 1, and the grommet 42 slides along the release cable 44; at this time, the retracted position of the guide piece 34 can be observed from the display screen of the display 52, and after the front end of the guide piece 34 is retracted into the guide groove 12, the exit switch 36 is released, the laryngoscope blade 1 is pulled out, and the front end of the trachea is positioned at the throat of the patient. The method is simple and convenient to operate, and the laryngoscope can be quickly inserted and taken out in a very short time.

When the laryngoscope is installed and used, the handheld piece 2 is connected with one side of the pushing-in end 13 of the laryngoscope lens 1 on two different crossed axes, the guide piece 34 of the guide mechanism 3 is in sliding fit with the guide groove 12 of the laryngoscope lens 1, the clamping piece 41 of the tube clamping mechanism 4 is connected with the guide piece 34 and is positioned in the tracheal groove 11 of the laryngoscope lens 1, the camera of the visual system 5 is positioned at the insertion end 14 of the laryngoscope lens 1, the display 52 is connected with the handheld piece 2, the tube clamping mechanism 4 clamps the trachea or releases the trachea, the guide piece 34 is driven by the guide mechanism 3 to drive the trachea to go deep into the throat of a patient, the visual system 5 observes scenes during tracheal intubation in real time, the operating space range is large, the operation is flexible, the trend of the tracheal intubation is stable, the intubation time is short, and the comfort is good.

During manufacturing, the laryngoscope blade 1 is of an arc-shaped structure, the trachea groove 11 is positioned on the outer arc surface, the trachea groove 11 is communicated with the guide groove 12, the trachea groove 11 extends from the push-in end 13 of the laryngoscope blade 1 to the insertion end 14, and the trachea is positioned in the trachea groove 11 before intubation.

When the trachea cannula is used, the micromotor 31 drives the gear 32 to rotate and push the rack 33 to drive the guide piece 34 to stretch along the guide groove 12, the clamping piece 41 on the fixed guide piece 34 clamps the trachea, the direction of the trachea cannula is stable and reliable, the cannula inserting time is shortened, and the comfort of a patient is improved.

When the miniature motor 31 is used, the miniature motor 31 is positioned in the motor cavity 21 of the hand piece 2, the gear 32 connected with the output end of the miniature motor extends into the laryngoscope lens 1 and is meshed with the rack 33 connected with the guide sheet 34, the guide switch 35 and the exit switch 36 of the miniature motor 31 are positioned on the hand piece 2, the miniature motor 31 drives the guide sheet 34 to extend when the guide switch 35 is closed, the miniature motor 31 stops when the guide switch 35 is released, and the miniature motor 31 drives the guide sheet 34 to retract when the exit switch 36 is closed.

During the preparation, guide plate 34 adopts stainless steel, is the horizontality under the external force restraint, is the arc form after receiving the external force restraint, is favorable to cooperating with curved guiding groove 12, makes it be unlikely to the jamming along the gliding in-process of curved guiding groove 12.

When in use, the trigger 45 is pulled to make the release rope 44 tighten and pull the clamping piece 41, so that the opening of the clamping piece 41 expands to release the air pipe.

Before a patient inserts a laryngoscope, the trachea is placed in the clamping piece 41 from one side of the opening of the clamping piece 41 and clamped, the trachea is bent to be tightly attached to the guide piece 34, after the trachea goes deep into the throat of the patient, one end of a release cable 44 passing through a cable ring 42 on the clamping piece 41 is fixed with a fixing ring 43, the other end of the release cable passes through a cable hole of the laryngoscope lens 1 close to the push-in end 13 and is fixed with a trigger 45, the release cable 44 is tensioned when the trigger 45 is pulled, and the open end of the clamping piece 41 is pulled to open the release trachea.

When in use, the fixing ring 43 is close to the insertion end 14 of the laryngoscope lens 1, the release cable 44 passes through the plurality of cable rings 42 connected with the clamping sheets 41, and the release cable 44 synchronously pulls the cable rings 42 when tightened, so that the plurality of clamping sheets 41 are simultaneously opened, which is beneficial to releasing the trachea in a very short time.

When the device is used, the control switch 53 controls the opening and closing of the display 52, the camera 51 is in a working state after the display 52 is opened and closed, a shot scene is timely acquired, and the scene is transmitted to the display screen of the display 52, so that an operator can conveniently observe the intubation tube.

The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.

Claims (10)

1. A rapid guide intubation laryngoscope is characterized in that: the laryngoscope comprises a laryngoscope lens (1), a hand piece (2), a guide mechanism (3), a tube clamping mechanism (4) and a visual system (5); the utility model discloses a laryngoscope piece, including handheld piece (2), guide mechanism (3), visual system (5), handheld piece (2) and handheld piece (2), the handheld piece is connected with push-in end (13) one side of laryngoscope piece (1), handheld piece (2) and push-in end (13) are located two different axes, guide piece (34) of guide mechanism (3) and guiding groove (12) sliding fit of laryngoscope piece (1), clamping piece (41) and guide piece (34) of pressing from both sides tub mechanism (4) are connected and are located trachea groove (11) of laryngoscope piece (1), the camera of visual system (5) is located the end (14) that inserts of laryngoscope piece (1), display (52) are connected with handheld piece (2).

2. The rapid guided intubation laryngoscope as recited in claim 1, wherein: the outer arc surface of the laryngoscope lens (1) is provided with a trachea groove (11) communicated with a guide groove (12), and the guide groove (12) and the trachea groove (11) extend to an insertion end (14) from a push-in end (13) of the laryngoscope lens (1).

3. The rapid guided intubation laryngoscope as recited in claim 1, wherein: the guide mechanism (3) comprises a gear (32) connected with the output end of the micro motor (31), a rack (33) meshed with the gear (32), and a guide piece (34) connected with the rack (33).

4. The rapid guided intubation laryngoscope according to claim 3, wherein: the micromotor (31) is positioned in a motor cavity (21) of the hand piece (2), a power supply (23) in the power supply cavity (22) is electrically connected with the micromotor (31), and the micromotor (31) is controlled by a guide switch (35) and an exit switch (36).

5. The rapid guided intubation laryngoscope according to claim 3, wherein: the guide piece (34) is an elastic piece, is in a horizontal state when not constrained, and is in a bent arc shape when constrained.

6. The rapid guided intubation laryngoscope as recited in claim 1, wherein: the pipe clamping mechanism (4) comprises a clamping piece (41), a grommet (42), a fixing ring (43), a release cable (44) and a trigger (45); the release cable (44) passes through the cable rings (42) on the clamping sheets (41), and both ends of the release cable (44) are respectively connected with the fixing ring (43) and the trigger (45).

7. The rapid guided intubation laryngoscope as recited in claim 6, wherein: the clamping piece (41) is of an arc-shaped structure, the opening end of one side is connected with the guide piece (34), and the grommet (42) is positioned outside the opening end of the other side and is connected with the guide piece.

8. The rapid guided intubation laryngoscope as recited in claim 6, wherein: the fixing ring (43) is fixed close to the insertion end (14) of the laryngoscope blade (1), and the release cable (44) passes through the push-in end (13) of the laryngoscope blade (1) and is connected with the trigger (45).

9. The rapid guided intubation laryngoscope as recited in claim 1, wherein: the visual system (5) comprises a display (52) connected with a camera (51), the camera (51) is located on one side of the insertion end (14) of the laryngoscope lens (1), the display (52) is hinged with the handheld piece (2), the display (52) is electrically connected with the power supply (23), and the control switch (53) controls the opening and closing.

10. A method of rapid intubation of a guided laryngoscope according to any one of claims 1 to 9 wherein the method includes the steps of:

s1, clamping the tube, placing the trachea in the trachea groove (11) of the laryngoscope lens (1), and clamping by the clamping sheet (41); at the moment, the front end of the air pipe is positioned in the air pipe groove (11) and does not extend out of the insertion end (14), and the other end of the air pipe extends out of the push-in end (13);

s2, starting video shooting, turning over the display (52) to vertically protrude from the hand piece (2) to face an operator, and pressing down the control switch (53) to close the circuit of the display (52); at this time, the projection shot by the camera is displayed on the display screen of the display (52);

s3, inserting the laryngoscope, wherein an operator holds the hand piece (2) by hand and stands behind the head of the patient or at one side of the head of the patient, and inserts the insertion end (14) of the laryngoscope lens (1) into the throat from the oral cavity of the patient; at this time, the patient lies on his back or sits up slightly; after the insertion end (14) reaches the throat of a patient, a camera (51) positioned on one side of the insertion end (14) displays the scene of the throat on a display screen of a display (52);

s4, inserting the tube, pressing the guide switch (35), the micromotor (31) driving the gear (32) to rotate and driving the rack (33) to push the guide piece (34) to extend towards the insertion end (14) of the laryngoscope lens (1), the trachea clamped by the clamping piece (41) extends synchronously along with the guide piece, and the grommet (42) slides along the release rope (44); at the moment, the position of the trachea deep into the throat of the patient can be observed from a display screen of the display (52), and when the front end of the trachea reaches the proper position of the throat of the patient, the guide switch (35) is released;

s5, taking out the laryngoscope, pulling the trigger (45) to enable the release cable (44) to be in a tightening state to pull the clamping piece (41) to be opened and close to the trachea groove (11), separating the trachea from the clamping of the clamping piece (41), and loosening the trigger (45); the withdrawing switch (36) is pressed, the micromotor (31) drives the gear (32) to rotate and drive the rack (33) to enable the guide piece (34) to retract towards the pushing end (13) of the laryngoscope lens (1), and the grommet (42) slides along the release cable (44); at the moment, the retraction position of the guide piece (34) can be observed from the display screen of the display (52), when the front end of the guide piece (34) retracts to the guide groove (12), the exit switch (36) is loosened, the laryngoscope lens (1) is pulled out, and at the moment, the front end of the trachea is positioned at the throat of a patient.

Images