CN116020026A - Visual laryngeal mask and visual device structure thereof - Google Patents

Abstract

The invention provides a visual laryngeal mask with an anti-disengagement function and a visual device structure thereof, the structure comprises a laryngeal mask connector and a visual device, the laryngeal mask connector comprises a connecting plate, a main cannula arranged on the connecting plate and a visual cannula used for being connected with a visual cavity of the laryngeal mask, the visual device comprises a handle, a connecting wire connected with the handle and a camera shooting assembly connected at the far end of the connecting wire, the handle comprises a handle body and a connecting rod connected with the handle body, the handle body is stopped against the upper surface of the connecting plate, an arc-shaped concave surface matched with the outer wall of the main cannula is formed on the side wall of the handle body, an elastic limit column is arranged on the arc-shaped concave surface, and when the arc-shaped concave surface of the handle body is close to the main cannula; the handle body is provided with a first limiting part, the laryngeal mask connector is formed in a first limiting groove matched with the first limiting part, and the arc-shaped concave surface of the handle body rotates towards the main insertion pipe to drive the first limiting part to be in limiting fit with the first limiting groove.

Description

Visual laryngeal mask and visual device structure thereof

Technical Field

The invention relates to a visual laryngeal mask, in particular to a visual device structure.

Background

The visual medical instrument realizes the visual function of the laryngeal mask medical instrument by matching the endoscope with the medical instrument, and the endoscope is needed to be held in the hand during matching, so that the camera at the front end of the visual medical instrument is ensured to be closely attached to the laryngeal mask observation window at any time, and the image stability is ensured; for example, a visual laryngeal mask has a viewing lumen with a viewing window formed at the distal end and an insertion port formed at the proximal end, and in use, an endoscope is required to be inserted into the viewing lumen, however the entire viewing procedure requires a physician to hold the endoscope, which is inconvenient to operate; and the endoscope is easy to shift, and the visual process is unstable.

CN110694156a discloses a laryngeal mask assembly, comprising: laryngeal mask, the laryngeal mask forms visual chamber along its longitudinal extension direction, visual chamber distal end forms observation window and its proximal end forms the socket, visual chamber is formed with at least one spacing cooperation portion, the handle pass through connecting wire control camera module pluggable fit in visual intracavity to make camera module can reach the observation window of visual chamber distal end, the handle be equipped with spacing cooperation portion of spacing cooperation portion spacing, so the handle pluggable fit be in the socket in. Specifically, the handle is matched with the jack through the marble to realize the connection of the handle and the laryngeal mask connector, and in addition, a limiting mode of limiting the limiting protrusion and the limiting groove is also arranged; the method adopts a buckling mode, and the elastic characteristic of the small marble inside the handle of the visual device is utilized to enable the buckling boss of the handle to be buckled with the limit groove of the laryngeal mask connector, so that the visual device is installed and fixed; however, in the clinical use process, a user can easily bump the handle of the visualizer, so that the buckling connection between the handle and the connector is unstable, and the handle is easy to be disconnected.

Disclosure of Invention

The invention provides a visual device structure with an anti-disengagement function, which comprises a laryngeal mask connector and a visual device, wherein the laryngeal mask connector comprises a connecting plate, a main cannula which is arranged on the connecting plate and is used for being connected with a laryngeal mask breather pipe, and a visual cannula which is used for being connected with a laryngeal mask visual cavity, the main cannula penetrates through the connecting plate from top to bottom to form a socket for a connecting rod to enter, the visual device comprises a handle, a connecting wire which is connected with the handle, and a camera shooting assembly which is connected to the far end of the connecting wire, the handle comprises a handle body and the connecting rod which is connected with the handle body, the handle body is suitable for being inserted in the visual cannula in a pluggable manner, the handle body is stopped against the upper surface of the connecting plate, the side wall of the handle body forms an arc-shaped concave surface which is matched with the outer wall of the main cannula, and an elastic limit post is arranged on the arc-shaped concave surface of the handle body when the arc-shaped concave surface of the handle body faces the main cannula to be close to each other; the handle body is provided with a first limiting part, the laryngeal mask connector is formed in a first limiting groove matched with the first limiting part, the arc-shaped concave surface of the handle body rotates towards the main insertion pipe to drive the first limiting part to be in limiting fit with the first limiting groove, and then the handle and the main connector are limited.

In some embodiments, the connecting rod is provided with a second limiting piece, the visible insertion tube is provided with a second limiting groove matched with the second limiting piece, and the arc-shaped concave surface of the handle body rotates towards the main insertion tube to drive the second limiting piece to be in limiting fit with the second limiting groove.

In some embodiments, the connecting rod on form the second locating part, form in second locating part complex second spacing groove on the visual intubate, the arc concave surface of handle body rotates towards main intubate and drives first locating part and first spacing groove spacing cooperation.

In some embodiments, the second stopper includes a second side wall extending radially outward from the outer periphery of the connecting rod and a second stopper connected to the second side wall, the second stopper being disposed radially outward of the connecting rod; the visual intubate forms the second spacing groove of axial extension from the socket and supplies the second locating part to insert along axial direction, the second spacing groove compares in the open setting of connection board bottom side, and the rotation of connecting rod can drive the second dog to rotate to the bottom side with the connecting plate and offset.

In some embodiments, the first limiting member is disposed at the bottom of the handle body, and the first limiting member includes a second blocking wall extending along an axial direction and a first blocking wall extending perpendicular to the second blocking wall;

the first limiting groove comprises a second limiting surface which forms radial limiting with the second blocking wall and a first limiting surface which forms axial limiting with the first blocking wall.

In some embodiments, the first stop slot has an inlet for the first stop to extend into and out of.

In some embodiments, the first stop member is provided in an L-shape,

in some embodiments, the connecting plate extends to the outside to form a limiting retaining wall, the free end of the limiting retaining wall bends towards the inner side of the connecting plate to form an inlet, a first limiting groove communicated with the inlet is formed between the connecting plate and the limiting retaining wall, and the rotation of the handle body drives the first limiting piece to enter the first limiting groove from the inlet.

In some embodiments, the connecting plate forms an inner wall toward the limiting retaining wall, the limiting retaining wall and the inner wall define a first limiting groove, and the first two limiting grooves are bent and extended from the inlet.

In some embodiments, the limiting retaining wall comprises an L-shaped retaining wall and a hook portion formed at a free end of the L-shaped retaining wall, the hook portion and the inner wall form the first limiting groove, and a gap defined between the hook portion and a side wall of the connecting plate forms an inlet suitable for the entrance and the exit of the second retaining wall.

The present invention further provides a visual laryngeal mask comprising a visual laryngeal mask as described above.

The structure of the visualizer provided by the invention improves the connection structure of the handle and the laryngeal mask connector, the buckling connection is stable, the problem that the handle is easy to be separated is solved, and the structure for preventing the handle from being separated is provided by the design.

Drawings

Fig. 1 is a schematic structural diagram of a structure of a viewer according to the present embodiment;

FIG. 2 is a schematic view of a structure of a visual device according to the present invention;

fig. 3 and fig. 4 are schematic structural views of a handle and a main joint according to the present invention.

Detailed Description

The invention or the technical scheme of the invention is further specifically described below through specific embodiments and with reference to the accompanying drawings;

in the description of the present invention, it should be understood that the terms "front", "rear", "axial", "radial", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise specified and defined, the terms "mounted" and "connected" are to be construed broadly, and may be, for example, mechanical or electrical, or may be internal to two elements in communication, or may be directly or indirectly connected through an intermediate medium, and the specific meaning of the terms may be understood by those skilled in the art according to circumstances.

Referring to fig. 1 and 2, an embodiment of the present invention provides a viewer structure with anti-disengagement function, which includes a laryngeal mask connector and a viewer, the laryngeal mask connector includes a connecting plate 10, a main cannula 20 mounted on the connecting plate, and two side cannulas 31,32, the two side cannulas 31,32 are formed on two sides of the main cannula, the main cannula 20 is formed through the connecting plate 10 from top to bottom, the two side cannulas 31,32 extend downwards from the connecting plate in an axial direction, wherein the main cannula 20 is used for connecting with a laryngeal mask airway, one side cannula is a visual cannula 32 used for connecting with a laryngeal mask visual cavity, the visual cannula 32 forms a socket 320 into which a connecting rod enters, that is, the laryngeal mask connector is suitable for connecting with a laryngeal mask body and has ventilation and visual functions.

The visual device comprises a handle, a connecting wire connected with the handle and a camera shooting assembly connected at the far end of the connecting wire, wherein the handle comprises a handle body 50 and a connecting rod 60 connected with the handle body, the handle body 50 is used for pluggable insertion of the connecting rod 60 in the visual cannula 32, the handle body is stopped against the upper surface of the connecting plate 10, and the side wall of the handle body 50 is formed on an arc-shaped concave surface 501 matched with the outer wall of the main cannula, so that the side wall of the handle body 501 can be attached to the outer wall of the main cannula 20.

In some embodiments, an elastic limit post 502 is disposed on the arc concave surface toward the outer wall of the main cannula, in some embodiments, a first limit piece 81 is formed on the handle body, and the main joint is formed in a first limit groove 82 matched with the first limit piece 81; when the arc concave surface of the handle body rotates towards the main insertion pipe, the elastic column is compressed to generate thrust to enable the first limiting piece to be in limiting fit with the first limiting groove, and then the handle and the main joint are limited.

Further preferably, the connecting rod 60 is provided with a second limiting member 71, the visible insertion tube is provided with a second limiting member-matched limiting groove 72, the arc concave surface of the handle body rotates towards the main insertion tube, and the pushing force of the elastic limiting column drives the second limiting member to be in limiting fit with the second limiting groove and the first limiting member to be in limiting fit with the first limiting groove, so that the limiting of the handle and the connecting plate in the axial direction and the radial direction is realized. Therefore, the two groups of limiting structures can limit the positions of the handle and the main joint in the radial direction and the axial direction, so that the limit fit of the handle and the main joint is more stable, and the handle is prevented from being disconnected when the handle is touched by mistake.

When visual ware handle and main joint cartridge, visual ware handle connecting rod cartridge is in visual intubate smoothly, and the elasticity spacing post on the handle body can receive main intubate outer wall extrusion to take place the compression, and the elasticity spacing post of this compression state can produce outside thrust to the handle body, and this thrust can promote second locating part and second spacing groove to take place spacing cooperation. The size of the second limiting groove allows the second limiting piece to slide in along the axial direction, and the thrust generated by the elastic limiting column can drive the second limiting piece to rotate so as to be matched with the stop of the second limiting groove. In some embodiments, referring to fig. 3 and 4, the second limiting member 71 includes a second side wall 711 and a second stop 712 connected to the second side wall, the second side wall 711 extends radially outward from the outer periphery of the connecting rod 60, and the second stop 712 is disposed radially outward of the connecting rod 60; the second limiting groove 72 extending axially is formed at the position of the insertion opening 320 for inserting the second limiting member in the axial direction, and the second limiting groove is open compared with the bottom side of the connecting plate, so that after the second limiting member 71 enters the second limiting groove 72 in the axial direction, when the arc-shaped concave surface 501 of the handle body 51 approaches the side wall of the main insertion opening 20, the connecting rod 60 rotates until the second stop block 712 radially rotates along the second limiting groove 72 to make it abut against the bottom side of the connecting plate 10, and thus, limiting in the axial direction is realized; further, the second stop block 72 is further limited by the side wall of the second limiting groove.

In some embodiments, referring to fig. 3 and 4, the first limiting member 81 is disposed at the bottom of the handle body 50, and includes a second blocking wall 811 extending along an axial direction and a first blocking wall 812 extending perpendicular to the second blocking wall; the first limiting groove comprises a second limiting surface forming radial limiting with the second blocking wall and a first limiting surface forming axial limiting with the first blocking wall, so that the limiting of the handle body and the connecting plate in the radial direction and the axial direction is realized, and when the handle body is collided by mistake, the first limiting piece and the first limiting groove of the first limiting groove prevent the handle body from falling off.

In some examples, the first stop slot 82 has an inlet 821 for the first stop 81 to extend into and out of; specifically, the first limiting piece is arranged in an L shape.

In this embodiment, the first limiting groove has the following structural form: the connecting plate extends to the outside to form a limit retaining wall 91, the free end of the limit retaining wall 91 is bent towards the inner side of the connecting plate to form an inlet 821, a first limit groove 82 communicated with the inlet is formed between the connecting plate and the limit retaining wall, and the first limit groove 82 is bent and extended from the inlet 821.

In a specific example, the connecting plate forms an inner wall 92 towards the direction of the limiting retaining wall, and the limiting retaining wall 91 and the inner wall 92 define a first limiting groove 82; the limiting retaining wall comprises an L-shaped retaining wall 911 and a hook portion 912 formed at the free end of the L-shaped retaining wall, wherein the first limiting groove is formed between the hook portion 912 and the inner wall 92; and the gap 18 defined between the hook 912 and the side wall of the connection plate 10 constitutes an inlet 821 adapted for the entry and exit of the second blocking wall.

The structure of the visualizer provided by the invention improves the connection structure of the handle and the laryngeal mask connector, ensures stable buckling and eliminates the problem that the handle is easy to be separated.

In the description of the present specification, a description referring to the terms "one embodiment," "some embodiments," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. The structure of the visual device with the anti-disengagement function comprises a laryngeal mask connector and a visual device, wherein the laryngeal mask connector comprises a connecting plate (10), a main cannula (20) which is arranged on the connecting plate and is used for being connected with a laryngeal mask breathing tube, and a visual cannula (32) which is used for being connected with a laryngeal mask visual cavity, the main cannula penetrates through the connecting plate from top to bottom to form a socket (320) for the connecting rod to enter, the visual device comprises a handle, a connecting wire which is connected with the handle and a camera shooting assembly which is connected to the far end of the connecting wire, the handle comprises a handle body (50) and a connecting rod (60) which is connected with the handle body (50), the handle body (50) is suitable for being inserted in the visual cannula (32) in a pluggable manner, the handle body (50) is stopped on the upper surface of the connecting plate (10), the side wall of the handle body (50) forms an arc-shaped concave surface (501) which is matched with the outer wall of the main cannula, and an elastic limit column is arranged on the arc-shaped concave surface; the handle is characterized in that a first limiting part (81) is formed on the handle body (50), the laryngeal mask connector is formed in a first limiting groove (82) matched with the first limiting part (81), an arc-shaped concave surface (501) of the handle body rotates towards the main insertion tube (20), and the compressed elastic limiting column pushes the first limiting part (81) to be in limiting fit with the first limiting groove (82), so that the handle and the main connector are limited.

2. The structure of the viewer according to claim 1, wherein the connecting rod (60) is formed with a second limiting member (71), the visual insertion tube (32) is formed with a second limiting groove (72) matched with the second limiting member, and the arc concave surface of the handle body rotates towards the main insertion tube to drive the second limiting member to be in limiting fit with the second limiting groove.

3. The viewer structure according to claim 2, characterized in that said second limiting member (71) comprises a second side wall (711) and a second stopper (712) connected to the second side wall (711), said second side wall (711) extending radially outwards from the outer periphery of the connecting rod (60), the second stopper (712) being arranged radially outwards of the connecting rod (60); the visual cannula (32) forms a second limit groove (72) extending axially from the socket (320) for inserting a second limit piece along the axial direction, the second limit groove is opened and arranged at the bottom side of the connecting plate in comparison with the second limit groove, and the rotation of the connecting rod can drive the second stop block to rotate to abut against the bottom side of the connecting plate.

4. The structure of claim 1, wherein the first stopper (81) is disposed at the bottom of the handle body (50), and the first stopper includes a second stopper wall (811) extending in the axial direction and a first stopper wall (812) extending perpendicularly to the second stopper wall;

the first limiting groove (82) comprises a second limiting surface forming radial limiting with the second blocking wall and a first limiting surface forming axial limiting with the first blocking wall.

5. The visualizer construction of claim 4, characterized in that the first limit groove has an inlet (821) for the first limit piece (81) to extend in and out.

6. The visualizer construction of claim 4, characterized in that the first stop (81) is provided in an L-shape.

7. The structure of the viewer of claim 4, wherein the connecting plate extends outwards to form a limiting retaining wall (91), a free end of the limiting retaining wall is bent towards the inner side of the connecting plate to form an inlet (821), a first limiting groove (82) communicated with the inlet is formed between the connecting plate (10) and the limiting retaining wall (91), and the rotation of the handle body drives the first limiting piece to enter the first limiting groove from the inlet.

8. The viewer construction according to claim 7, wherein the web forms an inner wall (92) facing the retaining wall, the retaining wall and the inner wall defining a first retaining groove extending from the inlet.

9. The viewer structure according to claim 8, wherein said limit retaining wall (91) comprises an L-shaped retaining wall (911) and a hook portion (912) formed at a free end of the L-shaped retaining wall, said hook portion (912) and the inner wall (92) form said first limit groove (82), and a gap defined between said hook portion (912) and a side wall of the connecting plate (10) forms an entrance adapted for the entrance of the second retaining wall.

10. A visual laryngeal mask comprising the visual laryngeal mask of any one of claims 1 to 9.

11. A laryngeal mask connector characterised in that it utilises a laryngeal mask connector according to any one of claims 1 to 9.

12. A visualizer, characterized in that it employs a visualizer according to any one of claims 1-9.

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