CN216148789U - Hinged rotary guiding inner core device for rapid bending adjustment of tracheal cannula - Google Patents

Abstract

The utility model discloses an articulated rotary guide inner core device for quickly bending and adjusting an endotracheal tube, which comprises a steering guide end and a handle end, wherein the steering guide end is used for bending and adjusting the endotracheal tube, and the handle end is arranged on one side of the steering guide end and is used for controlling whether the endotracheal tube is bent or not. The utility model adopts a double-handle mode, the hand-held type is pulled back, the design of the hand-held type handle accords with ergonomics, the hand-held type handle is pulled back, the force applying habit of normal people is met, the force applying is easier in holding and pinching, the multi-link hinge is adopted, the long arm is driven to move by the short arm, and the handle is held and pulled back for a small distance, so that the front end steering guide rod can be changed in a large angle; the steering guide rod of the device can deflect at a very large angle, and an operator can adjust the angle of the steering guide rod according to the condition, so that the device is very practical; the device has the advantages of small and exquisite and simple structure, compact connection, simple operation and stable use effect, can quickly perform intubation on an operator, saves time and can greatly reduce the burden of the operator.

Description

Hinged rotary guiding inner core device for rapid bending adjustment of tracheal cannula

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a hinged rotary guiding inner core device for rapid bending adjustment of a tracheal cannula.

Background

The trachea cannula is used for inserting the trachea catheter into the trachea of a patient, is widely applied to medical rescue and surgical anesthesia, is one of the most extensive, effective and rapid means in respiratory tract management, plays a vital role in rescuing the life of the patient and reducing the death rate, needs to be inserted from the glottis of the patient, increases the difficulty of intubation for the patient with special anatomical structure, and the patient is anesthetized by anesthetic drugs and cannot breathe, so that the patient is in a life-threatening situation, the earlier and timely ventilation for the patient can save the life of the patient, the faster the trachea insertion speed is, the better the trachea insertion speed is, but the current trachea cannula has the following defects when in daily operation:

1. at present, trachea cannula is soft in quality on the market, and the intubate does not have crooked regulation structure, and crooked radian can't carry out controllable regulation, leads to the unable accurate glottic access way mouth of orientation in intubate front end, needs the handheld intubate multi-angle of operation doctor to carry out the probe and inserts, and the success rate is low, complex operation, consuming time long, promptly rapidly cure very unfavorable to the patient.

2. The existing few guide core tubes for the tracheal intubation have a certain degree of tracheal intubation bending regulation function, but the guide cores are in a stay wire or pull rod type arch string type, the bent radian of the tracheal intubation is influenced at the bent inner side by the stay wire or the pull rod of the structure, so that the tracheal intubation cannot be bent to a large degree, and the tracheal intubation bending regulation effect is limited.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide an articulating rotary guide core device for rapid bending adjustment of an endotracheal tube.

The utility model realizes the purpose through the following technical scheme:

the articulated rotary guide inner core device for the rapid bending adjustment of the tracheal cannula comprises a steering guide end for bending adjustment of the tracheal cannula and a handle end which is arranged on one side of the steering guide end and is used for controlling whether the tracheal cannula is bent or not;

turn to the guide end including turning to guide bar, articulated rod, connecting rod, both ends end department all is U type groove shape around the articulated rod is, and middle department is a quarter butt connection, at U type groove both sides end position department, has a pair of through-hole as the hinge hole on the front and back, articulated rod front side U type notch department articulates turn to the guide bar, it is rectangular shape to turn to the guide bar, the width ratio between the guide bar front and back the net distance between the inside side in articulated rod U type groove is slightly little, it also is provided with a through-hole to turn to position department after inclining in the middle of the guide bar, turn to the guide bar through this hole with the connecting rod is articulated to be connected.

Preferably: the handle end comprises a core bar, a push rod, a first handle, a second handle, a sliding core and a guide block, the second handle is a solid flat cuboid, an arc angle is arranged at the side line of the second handle, the sliding core is connected with the second handle, a sliding groove is arranged right below the hollow part of the sliding core, the end face of the closed end of the sliding core is provided with the arc angle to form a hemisphere, the push rod is arranged at the hollow part of the front end face of the sliding core, the push rod is a long-strip-shaped rod, the rear end of the push rod is fixedly connected with the sliding core, the core bar is cylindrical, the connecting rod is connected with the lower half part of the connecting rod, the upper half part of the connecting rod is provided with a push rod cavity, the push rod cavity is used as a guide cavity for the axial movement of the push rod, the push rod cavity is a hollow cavity, the cross section of the push rod cavity is square, and the other end of the core bar is integrally formed with the first handle, the upper portion of the first handle is provided with a slide way cavity, the section of the slide way cavity is circular, the first handle is provided with the guide block, and the guide block and the first handle are integrally formed.

Preferably: the handle end comprises a core bar, a push-pull rod, a third handle, a sliding sleeve and a fourth handle, the fourth handle is arranged at the other end of the core bar, the core bar is cylindrical, the middle of the rear part of the core bar is hollow, the hollow part is cylindrical, a sliding groove is arranged below the hollow part, a push-pull rod cavity is arranged in the middle of the lower part of the core bar, the cross section of the push-pull rod cavity is square, the front end of the core bar is connected with a hinge joint, the hinge joint is flat and semicircular, a circular hinge hole is formed in the middle of the hinge joint, the hinge joint is hinged with the hinge joint through the hinge hole, the push-pull rod is arranged in the push-pull rod cavity, the other end of the push-pull rod is connected with the sliding sleeve, and the third handle is arranged below the sliding sleeve.

Preferably: the whole connecting rod is long rod-shaped and has a certain length, and the front end of the connecting rod is provided with a U-shaped notch structure.

Preferably: the sliding core and the second handle are integrally formed, the sliding core is a cylinder, the inside of the sliding core is hollow, one end of the hollow cavity of the sliding core is open, the other end of the hollow cavity of the sliding core is closed, and the closed end is arranged on the rear side of the second handle.

Preferably: the section of the push rod is square, a semicircular chamfer is arranged at the foremost end of the push rod, a through hole is formed in the center of the semicircular chamfer, and the hinge rod is hinged with the push rod through the through hole.

Preferably: the fourth handle and the core bar are integrally formed.

Preferably: the push-pull rod is in a long strip shape, one end of the push-pull rod is in a U-shaped groove shape, and the shape and the size of the notch of the push-pull rod are the same as those of the notch of the U-shaped groove of the hinge rod.

Preferably: the sliding sleeve is cylindrical, and the interior of the sliding sleeve is hollow.

Preferably: the third handle and the sliding sleeve are integrally formed.

Compared with the prior art, the utility model has the following beneficial effects:

1. the double-handle mode is adopted, the hand-held type is pulled back, the design of the hand-held type handle accords with ergonomics, the hand-held type handle is pulled back, the force applying habit of ordinary people is met, the force applying is easier to grip and pinch, and the front end of the straw intubation tube is easier to control and bend;

2. the multi-connecting-rod hinge is adopted, the short arm drives the long arm to move, the short arm drives the long arm, and the handle is held and pulled back for a small distance, so that the front end steering guide rod can change at a large angle, and the trachea cannula can be bent at a large angle;

3. the steering guide rod of the device can deflect at a very large angle, and an operator can adjust the angle of the steering guide rod according to the condition, so that the device is very practical;

4. the push rod and the push rod cavity are of square structures, so that the push rod can be prevented from deflecting when moving in the push rod cavity;

5. the device has the advantages of small and exquisite and simple structure, compact connection, simple operation and stable use effect, can quickly perform intubation on an operator, saves time and can greatly reduce the burden of the operator.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a first structural schematic view of a first embodiment of an articulating and rotating guide core device for rapid bend adjustment of an endotracheal tube according to the present invention;

FIG. 2 is a second structural schematic view of a first embodiment of the articulating and rotating guide core assembly for rapid bend adjustment of an endotracheal tube according to the present invention;

FIG. 3 is a schematic view of a first internal structure of a first embodiment of the articulating and rotating guide core device for rapid bend adjustment of an endotracheal tube according to the present invention;

FIG. 4 is a second internal view of a first embodiment of the articulating and rotating guide core assembly for rapid bend adjustment of an endotracheal tube according to the present invention;

FIG. 5 is a schematic view of the installation structure of the connecting rod of the articulated rotary guiding core device for rapid bending adjustment of the endotracheal tube according to the present invention;

FIG. 6 is a schematic view of the installation structure of the push rod of the articulated rotary guiding core device for rapid bending adjustment of the endotracheal tube according to the present invention;

FIG. 7 is a schematic view of a guide end mounting structure of an embodiment of the articulating rotary guide core device for rapid bend adjustment of an endotracheal tube according to the present invention;

FIG. 8 is a schematic view of a second embodiment of the articulating rotary guiding core device for rapid bend adjustment of an endotracheal tube according to the present invention;

FIG. 9 is a second internal structural view of a second embodiment of the articulating rotary guide core assembly for rapid bend adjustment of an endotracheal tube according to the present invention;

fig. 10 is a schematic view showing the internal structure of the fourth handle of the articulated rotary guiding core device for rapid bending adjustment of endotracheal tubes according to the present invention.

The reference numerals are explained below:

1. a steering guide end; 11. a steering guide rod; 12. a hinged lever; 13. a connecting rod; 2. a handle end; 21. a core bar; 22. a push rod; 23. a first handle; 24. a second handle; 25. a sliding core; 26. a guide block; 27. a push-pull rod; 28. a third handle; 29. a sliding sleeve; 210. and a fourth handle.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be further described with reference to the accompanying drawings in which:

example 1

As shown in fig. 1-7, the articulated rotary guiding core device for rapid bending adjustment of an endotracheal tube comprises a steering guiding end 1 for bending adjustment of the endotracheal tube, and a handle end 2 mounted at one side of the steering guiding end 1 for manipulating whether the endotracheal tube is bent or not;

turn to leading end 1 including turning to guide bar 11, hinged rod 12, connecting rod 13, hinged rod 12 all is U type groove shape for both ends end department around for, the centre department is a stub bar connection, in U type groove both sides end position department, there is a pair of through-hole as the hinge hole on the front and back, hinged rod 12 front side U type notch department articulates there is the guide bar 11 that turns to, it is rectangular shape to turn to guide bar 11, the clear distance between the inside side in width ratio hinged rod 12U type groove between 11 front and back turns to guide bar 11 is slightly little, it also is provided with a through-hole to turn to the position department of position partially back in the middle of guide bar 11, it is connected with connecting rod 13 through this hole to turn to guide bar 11.

Preferably: the handle end 2 comprises a core bar 21, a push rod 22, a first handle 23, a second handle 24, a sliding core 25 and a guide block 26, the second handle 24 is a solid flat cuboid, the sideline of the second handle 24 is provided with an arc angle, the sliding core 25 is connected with the second handle 24, a sliding groove is arranged right below the hollow part of the sliding core 25, the end surface of the closed end of the sliding core 25 is provided with an arc angle to form a hemisphere shape, the push rod 22 is arranged at the hollow part of the front end surface of the sliding core 25, the push rod 22 is a long strip rod, the rear end of the push rod 22 is fixedly connected with the sliding core 25, the core bar 21 is cylindrical, the connecting rod 13 is connected with the lower half part of the sliding core, the upper half part of the sliding core is provided with a push rod cavity, the push rod cavity is used as a guide cavity for the axial movement of the push rod 22, the push rod cavity is a hollow cavity, the cross section of the push rod cavity is square, the other end of the core bar 21 is integrally formed with the first handle 23, the upper part of the first handle 23 is provided with a slideway cavity, the section of the slideway cavity is circular, the first handle 23 is provided with a guide block 26, and the guide block 26 and the first handle 23 are integrally formed; the whole connecting rod 13 is in a long rod shape and has a certain length, and the end of the front end of the connecting rod 13 is in a U-shaped notch structure; the sliding core 25 and the second handle 24 are integrally formed, the sliding core 25 is a cylinder, the inside of the sliding core is hollow, one end of a hollow cavity of the sliding core 25 is open, the other end of the hollow cavity is closed, and the closed end is arranged at the rear side of the second handle 24; the section of the push rod 22 is square, the foremost end of the push rod is provided with a semicircular chamfer, the center of the semicircular chamfer is provided with a through hole, and the hinge rod 12 is hinged with the push rod 22 through the through hole.

Example 2

As shown in fig. 8-10, the articulated rotary guiding core device for rapid bending adjustment of an endotracheal tube comprises a steering guiding end 1 for bending adjustment of the endotracheal tube, and a handle end 2 installed at one side of the steering guiding end 1 for manipulating whether it is bent or not;

turn to leading end 1 including turning to guide bar 11, hinged rod 12, connecting rod 13, hinged rod 12 all is U type groove shape for both ends end department around for, the centre department is a stub bar connection, in U type groove both sides end position department, there is a pair of through-hole as the hinge hole on the front and back, hinged rod 12 front side U type notch department articulates there is the guide bar 11 that turns to, it is rectangular shape to turn to guide bar 11, the clear distance between the inside side in width ratio hinged rod 12U type groove between 11 front and back turns to guide bar 11 is slightly little, it also is provided with a through-hole to turn to the position department of position partially back in the middle of guide bar 11, it is connected with connecting rod 13 through this hole to turn to guide bar 11.

Preferably: the handle end 2 comprises a core rod 21, a push-pull rod 27, a third handle 28, a sliding sleeve 29 and a fourth handle 210, the fourth handle 210 is arranged at the other end of the core rod 21, the core rod 21 is cylindrical, the middle of the rear part of the core rod 21 is hollow, the hollow part is cylindrical, a sliding groove is arranged below the hollow part, a push-pull rod cavity is arranged at the middle of the lower part of the core rod 21, the cross section of the push-pull rod cavity is square, the front end of the core rod 21 is connected with a hinged joint, the hinged joint is flat and semicircular, a circular hinged hole is formed in the middle of the hinged joint, the hinged joint is hinged with the hinged rod 12 through the hinged hole, the push-pull rod 27 is arranged in the push-pull rod cavity, the other end of the push-pull rod 27 is connected with the sliding sleeve 29, and the third handle 28 is arranged below the sliding sleeve 29; the whole connecting rod 13 is in a long rod shape and has a certain length, and the end of the front end of the connecting rod 13 is in a U-shaped notch structure; the fourth handle 210 is integrally formed with the stem 21. The push-pull rod 27 is long strip, one end of the push-pull rod is in a U-shaped groove shape, and the shape and the size of the notch of the push-pull rod are the same as those of the notch of the U-shaped groove of the hinge rod 12; the sliding sleeve 29 is cylindrical and hollow inside; the third handle 28 is integrally formed with the sliding sleeve 29.

The working principle and the using method of the utility model are as follows: when an operator needs to perform tracheal intubation on a patient, the intubation angle needs to be adjusted so that a trachea can be quickly adjusted to be inserted into a glottis, at the moment, the operator needs to insert the steering guide rod 11 into the tracheal intubation, hold the second handle 24 with fingers, move the sliding core 25 axially backwards in the slideway cavity, move the second handle 24 to drive the core rod 21 to axially move so as to drive the connecting rod 13 to axially move, drive the steering guide rod 11 to rotate in the hinge hole with the middle part deviated, so as to change the bending direction angle of the steering guide rod 11, or hold the third handle 28, drive the sliding sleeve 29 to axially backwards move by the third handle 28, drive the push-pull rod 27 to axially move in the push-pull rod cavity, drive the steering guide rod 11 by the push-pull rod 27, so as to change the angle direction of the steering guide rod 11, when the tracheal cannula is pulled back, the rotating included angle of the steering guide rod 11 is increased, and the front end of the tracheal cannula can be driven to bend.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (10)

1. A articulated rotation direction inner core device for quick crooked regulation of trachea cannula, its characterized in that: comprises a steering guide end (1) for bending and adjusting the tracheal cannula, and a handle end (2) which is arranged on one side of the steering guide end (1) and is used for controlling whether the tracheal cannula is bent or not;

turn to leading end (1) including turning to guide bar (11), hinged rod (12), connecting rod (13), both ends end department all is U type groove shape around hinged rod (12), and middle department is a quarter butt and connects, has a pair of through-hole as the hinge hole on U type groove both sides end position department, hinged rod (12) front side U type groove department articulates turn to guide bar (11), turn to guide bar (11) and be rectangular shape, turn to width ratio between guide bar (11) the inside side in hinged rod (12) U type groove between net distance slightly littleer, turn to guide bar (11) middle back position department also is provided with a through-hole, turn to guide bar (11) through this hole with connecting rod (13) are articulated to be connected.

2. The articulating rotary guide core device for rapid bend adjustment of endotracheal tubes according to claim 1 characterized in that: the handle end (2) comprises a core bar (21), a push rod (22), a first handle (23), a second handle (24), a sliding core (25) and a guide block (26), the second handle (24) is a solid flat cuboid, an arc angle is arranged at the side line of the second handle (24), the sliding core (25) is connected with the second handle (24), a sliding groove is arranged right below the hollow part of the sliding core (25), the arc angle is arranged on the end face of the closed end of the sliding core (25) to form a hemisphere shape, the push rod (22) is arranged at the hollow part of the front end face of the sliding core (25), the push rod (22) is a long-strip-shaped rod, the rear end of the push rod (22) is fixedly connected with the sliding core (25), the core bar (21) is cylindrical, and the connecting rod (13) is connected to the lower half part of the sliding core, the upper half part of the handle is provided with a push rod cavity which is used as a guide cavity for the axial movement of the push rod (22), the push rod cavity is a hollow cavity, the cross section of the push rod cavity is square, the other end of the core rod (21) and the first handle (23) are integrally formed, the upper part of the first handle (23) is provided with a slide way cavity, the cross section of the slide way cavity is circular, the first handle (23) is provided with the guide block (26), and the guide block (26) and the first handle (23) are integrally formed.

3. The articulating rotary guide core device for rapid bend adjustment of endotracheal tubes according to claim 1 characterized in that: the handle end (2) comprises a core bar (21), a push-pull rod (27), a third handle (28), a sliding sleeve (29) and a fourth handle (210), the other end of the core bar (21) is provided with the fourth handle (210), the core bar (21) is cylindrical, the middle of the rear part of the core bar (21) is hollow, the hollow part is cylindrical, a sliding groove is arranged below the hollow part, the middle of the lower part of the core bar (21) is provided with a push-pull rod cavity, the cross section of the push-pull rod cavity is square, the front end of the core bar (21) is connected with a hinge joint, the hinge joint is flat and semicircular, the middle of the hinge joint is provided with a circular hinge joint hole, the hinge joint is hinged with the hinge rod (12) through the hinge hole, the push-pull rod (27) is arranged in the push-pull rod cavity, the other end of the push-pull rod (27) is connected with the sliding sleeve (29), the third handle (28) is arranged below the sliding sleeve (29).

4. The articulating rotary guide core device for rapid bend adjustment of endotracheal tubes according to claim 1 characterized in that: the connecting rod (13) is integrally long rod-shaped and has a certain length, and the front end of the connecting rod (13) is of a U-shaped notch structure.

5. The articulating rotary guiding core device for rapid bend adjustment of endotracheal tubes according to claim 2 characterized in that: the sliding core (25) and the second handle (24) are integrally formed, the sliding core (25) is a cylinder, the inside of the sliding core is hollow, one end of a hollow cavity of the sliding core (25) is opened, the other end of the hollow cavity of the sliding core is closed, and the closed end is arranged on the rear side of the second handle (24).

6. The articulating rotary guiding core device for rapid bend adjustment of endotracheal tubes according to claim 2 characterized in that: the section of the push rod (22) is square, a semicircular chamfer is arranged at the foremost end of the push rod, a through hole is formed in the center of the semicircular chamfer, and the hinge rod (12) is hinged with the push rod (22) through the through hole.

7. An articulating guide core device for rapid bend adjustment of an endotracheal tube according to claim 3 wherein: the fourth handle (210) is integrally formed with the core bar (21).

8. An articulating guide core device for rapid bend adjustment of an endotracheal tube according to claim 3 wherein: the push-pull rod (27) is long-strip-shaped, one end of the push-pull rod is U-shaped, and the shape and the size of the notch of the push-pull rod are the same as those of the notch of the U-shaped groove of the hinge rod (12).

9. An articulating guide core device for rapid bend adjustment of an endotracheal tube according to claim 3 wherein: the sliding sleeve (29) is cylindrical, and the interior of the sliding sleeve is hollow.

10. An articulating guide core device for rapid bend adjustment of an endotracheal tube according to claim 3 wherein: the third handle (28) is integrally formed with the sliding sleeve (29).

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