CN209915930U

CN209915930U - Laryngoscope lens and laryngoscope

Info

Publication number: CN209915930U
Application number: CN201920581566.6U
Authority: CN
Inventors: 黄宏辉
Original assignee: ZHUHAI PUSHENG MEDICAL SCIENCE & TECHNOLOGY Co Ltd
Current assignee: ZHUHAI PUSHENG MEDICAL SCIENCE & TECHNOLOGY Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-01-10
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses a laryngoscope piece and laryngoscope, in order to solve the problem that the guide of small-size pipe is not in place, the utility model discloses be equipped with elastic mechanism additional at the guiding groove end of laryngoscope piece, elastic deformation can take place for elastic mechanism, can be with little pipe roof pressure to tongue depressor piece on the one hand, on the other hand is promoted by big pipe and is kept away from tongue depressor piece for this laryngoscope piece and the laryngoscope that is equipped with this laryngoscope piece can both adapt to the pipe of not equidimension model, accommodation is wider, and the result of use is better.

Description

Laryngoscope lens and laryngoscope

Technical Field

The utility model relates to a medical instrument especially relates to a laryngoscope piece and laryngoscope.

Background

Laryngoscopes are the most commonly used intubation tools and are generally structurally composed of a spatula, a handle and a light source. The purpose of the laryngoscope is to lift the mandible and the anterior oropharyngeal soft tissues up to expose the glottis, and to pass the endotracheal tube through the glottis into the trachea under direct vision. The visual laryngoscope is a camera of installation on the tongue depressor of traditional laryngoscope, can observe the unable place that reaches of the direct-view sight of naked eye, can solve difficult air flue glottis and expose bad problem in traditional laryngoscope, but brings the other problem that the angle of glottis and oral cavity that sees on the video is too big, and endotracheal tube is difficult to reach the glottis, needs the supplementary endotracheal tube of delivering to glottis department with other instrument assistance, and the process is loaded down with trivial details and the failure rate is very high.

Aiming at the situation, the new laryngoscope is additionally provided with a guide groove on the tongue depressor, the guide groove can guide the tracheal catheter to the glottis, but the guide groove is only suitable for the tracheal catheter with proper size, when the tracheal catheter with small size passes through the guide groove, the tracheal catheter is easy to shift, the deviation between the extending angle of the tracheal catheter and the axis of the camera is large, the tracheal catheter is difficult to be smoothly guided to the position, and the use feeling of a patient is poor after the tracheal catheter shifts, thereby affecting the treatment effect.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a laryngoscope lens and a laryngoscope which can be compatible with tracheal catheters of different model sizes and ensure the accuracy of the intubation position.

In order to realize the purpose, the utility model discloses a technical scheme is:

a laryngoscope lens comprises a tongue depressor, at least one image channel arranged below the tongue depressor, and a guide groove which is positioned beside the image channel and is used for a catheter to pass through; the guide groove comprises at least one section of bottom plate extending in the same direction as the tongue pressing piece, and the tail end of the bottom plate is provided with an elastic mechanism which pushes the guide pipe to the tongue pressing piece.

As a further improvement of the above solution, the elastic mechanism comprises a guide plate disposed at the end of the bottom plate, and a peak with the minimum distance between the guide plate and the tongue pressing piece is disposed on the side of the guide plate facing the tongue pressing piece, and the peak lifts the guide tube.

As a further improvement of the scheme, the front end of the guide plate is connected with the bottom plate, and the tail end of the guide plate tilts towards the direction of the tongue-pressing piece.

As a further improvement of the scheme, one of the left side and the right side of the guide plate is connected with the image channel, and the other side of the guide plate tilts towards the direction of the tongue pressing piece.

As a further improvement of the scheme, the guide plate is provided with a bulge.

As a further improvement of the scheme, the guide plate is made of elastic materials.

As a further improvement of the scheme, an elastic arm is arranged at the joint of the bottom plate and the guide plate and is made of elastic materials.

As a further improvement of the scheme, the guide plate is hinged with the bottom plate, and the guide plate is also connected with a resetting device which enables the guide plate to have the tendency of rotating towards the tongue-pressing piece around the hinged rotating shaft.

As a further improvement of the above scheme, the reset device is a first elastic member sleeved on the hinge rotating shaft of the guide plate and the bottom plate, the first elastic member has a circumferential twisting elastic force, and torsion bars on two sides of the first elastic member are respectively located below the bottom plate and the guide plate.

As a further improvement of the above solution, the reset device is a second elastic member having an axial elastic force, and two ends of the second elastic member are respectively connected with the guide plate and the guide groove.

As a further improvement of the above scheme, the reset device is an elastic plate, the lower end of the elastic plate is fixedly connected with the guide groove, the upper end of the elastic plate is contacted with one side of the guide plate back to the tongue-pressing piece, and the elastic plate is made of an elastic material.

As a further improvement of the above solution, the resilient mechanism includes a third resilient member disposed at the end of the bottom plate, the third resilient member being located on a side of the guide plate facing the tongue depressor, the third resilient member lifting the guide tube.

As a further improvement of the above solution, the elastic mechanism comprises a projection arranged on the upper surface of the end of the bottom plate 4, and the projection is made of elastic material.

A laryngoscope comprising a handle, wherein the handle is connected with any one of the laryngoscope blades.

The utility model has the advantages that:

the utility model relates to a laryngoscope lens and a laryngoscope thereof, the laryngoscope lens comprises a tongue depressor, at least one image channel arranged below the tongue depressor and a guide groove which is positioned beside the image channel and is used for the passage of a catheter; the guide groove comprises a bottom plate extending in the same direction as the tongue pressing plate, and the tail end of the bottom plate is provided with an elastic mechanism which pushes the guide pipe to the tongue pressing plate; the laryngoscope comprises a handle which is connected with any one of the laryngoscope lenses. Elastic mechanism can press the pipe to the tongue piece for the pipe stretches out along the surface of tongue piece, and the axis direction of pipe is close to with the axis direction of image channel mutually, can accurately hold the position that the pipe stretched into, has improved the accuracy nature of intubate, thereby has improved the effect of inspection treatment.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. Obviously, the described figures are only some embodiments of the invention, not all embodiments, and other designs and figures can be obtained by those skilled in the art without inventive effort, based on these figures:

fig. 1 is a left side view of a first embodiment of the present invention;

fig. 2 is a left side view of a second embodiment of the present invention;

fig. 3 is a left side view of a third embodiment of the present invention;

fig. 4 is a left side view of a fourth embodiment of the present invention;

fig. 5 is a schematic structural view of a fifth embodiment of the present invention;

fig. 6 is a schematic structural view of a sixth embodiment of the present invention;

fig. 7 is a left side view of a seventh embodiment of the present invention;

fig. 8 is a left side view of an eighth embodiment of the present invention;

fig. 9 is a left side view of a ninth embodiment of the present invention;

fig. 10 is a left side view, partly in section, of a tenth embodiment of the invention;

fig. 11 is a left side view, partly in section, of an eleventh embodiment of the invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

It should be noted that unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and include, for example, fixed or removable connections or integral connections; the connection can be mechanical connection or electrical connection; 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 in specific cases to those skilled in the art.

Referring to fig. 1 to 11, a laryngoscope blade comprises a tongue depressor 1, at least one image channel 2 arranged below the tongue depressor 1, and a guide groove 3 which is positioned beside the image channel 2 and used for accommodating an imaging device or a guide device and allowing a catheter to pass through. Different image conduction devices such as an electronic imaging device or an optical imaging device or other various working devices can be arranged in the image channel 2, and the specific structure is not limited. The guide groove 3 comprises a bottom plate 4 extending in the same direction as the tongue-press piece 1, and the end of the bottom plate 4 is provided with an elastic mechanism which pushes the catheter towards the tongue-press piece 1 so that the axis of the catheter is approximately parallel to the axis of the image channel. When the catheter with smaller size passes through the guide groove 3, the elastic mechanism can press the catheter to the tongue pressing plate 1, so that the catheter extends out along the surface of the tongue pressing plate 1, the axial direction of the catheter is close to the axial direction of the image channel 2, the position where the catheter extends into can be accurately grasped, the accuracy of the intubation is improved, and the effect of examination and treatment is improved. When the guide pipe with larger size passes through the guide groove 3, the elastic mechanism has elastic force and can generate elastic deformation, and the guide pipe can push the elastic mechanism away, so that the fast and smooth intubation is ensured. Just because of the flexibility that elastic mechanism possessed for guide slot 3 can adapt to the pipe of different model sizes, has both solved the problem that former small-size pipe shifted, can also avoid hard material to hinder the problem that jumbo size pipe passes through.

According to fig. 1 and 2, the base plate 4 in the first and second embodiments is a unitary structure, and the elastic mechanism in the first embodiment in fig. 1 includes a third elastic member 12 disposed at the end of the base plate 4, the third elastic member 12 is located on the side of the guide plate 5 facing the tongue depressor 1, and the third elastic member 12 lifts the guide tube. The third elastic member 12 shown in fig. 1 is a spring, the spring is vertically arranged, and in actual production, the third elastic member 12 may also be a planar elastic sheet, one end of the planar elastic sheet close to the bottom plate 4 is fixed, and the other end of the planar elastic sheet far from the bottom plate 4 is tilted; an arc-shaped elastic sheet protruding upwards can be selected, two ends of the arc-shaped elastic sheet are fixed, and the middle of the arc-shaped elastic sheet protrudes towards the direction of the tongue pressing sheet 1; the third elastic element 12 has elasticity in a direction perpendicular to the bottom plate, and may be an elastic element having elasticity in an axial direction, such as a butterfly-shaped elastic sheet. The resilient means of the second embodiment in fig. 2 comprises a projection 13 arranged on the upper surface of the end of the bottom plate 4, said projection 13 being made of a resilient material. The bump 13 in fig. 2 is a long strip and is located at the end of the guide plate 5, and during actual production, the bump 13 may also be in different shapes such as triangle, arc, polygon, etc., may be in different shapes such as strip, continuous dot, block, etc., and may also be located at different positions such as the middle portion and the end portion of the guide plate 5.

In addition to the solution of directly arranging the elastic mechanism on the bottom plate 4 and directly using the bottom plate 4 for limiting, the elastic mechanism in the embodiment of fig. 3 to 11 further includes a guide plate 5 connected to the end of the bottom plate 4, the end of the guide plate 5 is connected to the bottom plate 4, and there is no limitation on both sides of the guide plate 5, so that the guide plate 5 has elasticity for moving up and down along the connecting edge. The left side and the right side of the guide plate 5 are connected with the image channel 2, and the front side and the rear side of the guide plate 5 are not limited, so that the guide plate 5 has elasticity capable of moving up and down along the connection part of the image channel 2. The side of the guide plate 5 facing the pressure tongue piece 1 is provided with a peak with the minimum distance between the guide plate 5 and the pressure tongue piece 1, the peak lifts the guide pipe, and the scheme utilizes the guide plate 5 connected with the bottom plate 4 for limiting.

Referring to the embodiment in fig. 3 to 9, the tip of the guide plate 5 is tilted toward the tongue depressor 1, and the peak is the tip of the guide plate 5. Referring to the embodiment shown in fig. 10 and 11, the guide plate 5 is provided with the protrusion 6, the peak is the vertex of the protrusion 6, the protrusion 6 in fig. 10 and 11 has two different structures, the surface of the guide plate 5 in the tenth embodiment is arc-shaped, and the end of the guide plate is raised, the surface of the guide plate 5 in the eleventh embodiment is provided with a triangular convex strip, and when in actual production, the protrusion 13 may also be in different shapes such as rectangle, column, polygon, etc., may be set in different shapes such as strip, plane, block, etc., and may also be set in different positions such as the middle part and the end part of the guide plate 5, which is not limited in the embodiment shown in the drawings.

Referring to the third embodiment in fig. 3, the elastic mechanism is a body of the guide plate 5, the guide plate 5 is made of an elastic material, the guide plate 5 has an elastic force, the guide plate 5 presses the small guide tube by using the raised end or the arranged protrusion to apply the elastic force, and the large guide tube pushes the guide plate 5 with the elastic force away. Referring to the fourth embodiment in fig. 4, an elastic arm 7 is disposed at a joint of the bottom plate 4 and the guide plate 5, the elastic arm 7 is made of an elastic material, the elastic arm 7 at the joint has elasticity, so that the connected guide plate 5 can rotate around the elastic arm 7, and in an operating state, the guide plate 5 can rotate towards the tongue pressing plate 1 to press against the guide tube and can also rotate in a reverse direction towards the tongue pressing plate 1 to avoid the guide tube.

With reference to the embodiment of fig. 5 to 8, the guide plate 5 is hinged to the base plate 4, and the guide plate 5 is also connected to a return device which gives the guide plate 5 a tendency to rotate about the hinge axis towards the presser plate 1. The resetting device provides a pulling force to rotate the guide plate 5 towards the tongue 1, and the pulling force is converted into a pressure applied to the catheter by the guide plate 5, so that the catheter is pushed towards the tongue 1.

Referring to the fifth embodiment of fig. 5, the reset device is a first elastic member 8 sleeved on the hinge shaft of the guide plate 5 and the bottom plate 4, the first elastic member 8 has a circumferential twisting elasticity, in this embodiment, the first elastic member 8 is a torsion spring, and torsion bars 9 at two sides of the torsion spring are respectively located below the bottom plate 4 and the guide plate 5. The torsion spring applies torque to the guide plate 5, the guide plate 5 converts the torque into pressure resisting the guide pipe, the torsion spring deforms when the large guide pipe passes through, and the guide plate 5 can rotate towards the reverse direction of the pressure tongue piece 1 quickly.

Referring to the embodiment of fig. 6 and 7, the returning device is a second elastic member 10 having an axial elastic force, and both ends of the second elastic member 10 are respectively connected with the guide plate 5 and the guide groove 3. The second elastic member 10 in the sixth embodiment is a spring, an upper end of which is connected to the side wall of the guide groove 3, and a lower end of which is connected to the guide plate 5. The second elastic member 10 in the seventh embodiment is a tension spring, one end of which is connected to the side wall of the guide groove 3, and the other end of which is connected to the guide plate 5. One end of the second elastic part 10 stretched in the axial direction is connected with the fixed guide groove 3, the other end of the second elastic part is connected with the guide plate 5, the guide plate 5 can be pulled to the guide groove 3, the tensile force of the second elastic part 10 is converted into the pressure applied to the guide plate 5 by the guide plate 5, the second elastic part 10 is stretched when the guide plate 5 needs to rotate towards the tongue depressor 1 in the reverse direction, and the process is simple and rapid. Besides the tension springs and the springs shown in fig. 6 and 7, the second elastic member 10 may also be a compression spring or other products.

Referring to the eighth embodiment of fig. 8, the resetting device is an elastic plate 11, the lower end of the elastic plate 11 is fixedly connected with the guide slot 3, the upper end of the elastic plate 11 is in contact with the side of the guide plate 5 opposite to the tongue-pressing piece 1, and the elastic plate 11 is made of an elastic material. The lower end of the elastic plate 11 in the eighth embodiment is fixedly connected with the hinge shaft, the elastic plate 11 is a flat plate, and the plate body of the elastic plate 11 is attached to the back surface of the guide plate 5. The elastic plate 11 applies an elastic force to the guide plate 5, the elastic force is converted into a pressure applied to the guide tube by the guide plate 5, and when the guide plate 5 rotates in the reverse direction to the tongue-pressing piece 1, the elastic plate 11 deforms to enable the guide plate 5 to rotate smoothly. The elastic plate 11 can also be an arc-shaped plate, and the lower end of the elastic plate 11 can also be connected with the bottom plate 4.

Referring to the ninth embodiment of fig. 9, the guide groove 3 of the present embodiment is of an interrupted structure, the guide plate 5 is located at the end of the last guide groove 3, the guide groove 3 may be configured without a side wall in practical production, and the second elastic member 10 is fixed between the bottom plate 4 and the guide plate 5. The elastic mechanism has various choices and can meet different production and use requirements. The improved laryngoscope lens has various structures, improves the imaging effect and improves the use feeling.

Regarding the laryngoscope of the second aspect of the application, the laryngoscope comprises a handle, any one of the laryngoscope lens is inserted into the tail end of the handle, the laryngoscope using the laryngoscope lens can be matched with catheters of different models when in use, and the insertion of the catheter is more accurate and the use effect is better.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited thereto, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A laryngoscope blade, wherein: comprises a tongue depressor (1), at least one image channel (2) arranged below the tongue depressor (1), and a guide groove (3) which is positioned beside the image channel (2) and is used for a catheter to pass through; the guide groove (3) comprises at least one section of bottom plate (4) extending in the same direction as the tongue pressing piece (1), and the tail end of the bottom plate (4) is provided with an elastic mechanism which pushes the guide pipe to the tongue pressing piece (1).

2. The laryngoscope blade as claimed in claim 1 wherein: the elastic mechanism comprises a guide plate (5) arranged at the tail end of the bottom plate (4), a peak with the minimum distance between the guide plate (5) and the pressure tongue piece (1) is arranged on one side, facing the pressure tongue piece (1), of the guide plate (5), and the peak enables the guide pipe to be lifted.

3. The laryngoscope blade as claimed in claim 2 wherein: the front end of the guide plate (5) is connected with the bottom plate (4), and the tail end of the guide plate (5) tilts towards the direction of the tongue pressing piece (1).

4. The laryngoscope blade as claimed in claim 2 wherein: one of the left side and the right side of the guide plate (5) is connected with the image channel (2), and the other side tilts towards the direction of the tongue depressor piece (1).

5. The laryngoscope blade as claimed in claim 2 wherein: the guide plate (5) is provided with a bulge (6).

6. The laryngoscope blade as claimed in any one of claims 2 to 5 wherein: the guide plate (5) is made of elastic materials.

7. The laryngoscope blade as claimed in any one of claims 2 to 5 wherein: an elastic arm (7) is arranged at the joint of the bottom plate (4) and the guide plate (5), and the elastic arm (7) is made of elastic materials.

8. The laryngoscope blade as claimed in claim 2 or 4 or 5 wherein: the guide plate (5) is hinged to the bottom plate (4), the guide plate (5) is further connected with a reset device, and the reset device enables the guide plate (5) to have a tendency of rotating around the hinged rotating shaft towards the tongue pressing piece (1).

9. The laryngoscope blade as claimed in claim 8 wherein: the resetting device is a first elastic part (8) which is sleeved on a hinge rotating shaft of the guide plate (5) and the bottom plate (4), the first elastic part (8) has circumferential torsional elasticity, and torsion bars (9) on two sides of the first elastic part (8) are respectively positioned below the bottom plate (4) and the guide plate (5).

10. The laryngoscope blade as claimed in claim 8 wherein: the resetting device is a second elastic part (10) with axial elastic force, and two ends of the second elastic part (10) are respectively connected with the guide plate (5) and the guide groove (3).

11. The laryngoscope blade as claimed in claim 8 wherein: resetting means is elastic plate (11), elastic plate (11) lower extreme and guide slot (3) fixed connection, the upper end contacts with one side of baffle (5) tongue-pressing piece (1) dorsad, elastic plate (11) are made by elastic material.

12. The laryngoscope blade as claimed in claim 1 wherein: the elastic mechanism comprises a third elastic part (12) arranged at the tail end of the bottom plate (4), the third elastic part (12) is positioned on one side, facing the tongue pressing piece (1), of the guide plate (5), and the guide pipe is lifted by the third elastic part (12).

13. The laryngoscope blade as claimed in claim 1 wherein: the elastic mechanism comprises a bump (13) arranged on the upper surface of the tail end of the bottom plate (4), and the bump (13) is made of elastic materials.

14. A laryngoscope, characterized by: comprising a handle connected to the laryngoscope blade as claimed in any one of claims 1 to 13.