CN221383513U - Soft visual laryngoscope, soft visual laryngoscope sleeve and tracheal intubation device - Google Patents

Abstract

The utility model discloses a soft visual laryngoscope, a soft visual laryngoscope sleeve and an endotracheal intubation device, the former comprises a lens body and a guiding mechanism, the guiding mechanism comprises a first guiding section, a second guiding section and a third guiding section which are provided with guiding channels, separating parts communicated with the guiding channels are arranged on the first guiding section, the second guiding section and the third guiding section, the first guiding section is connected with a control section, the third guiding section is connected with a lens section, the second guiding section is correspondingly arranged with a bending section, and two ends of the second guiding section are respectively matched with or connected with the first guiding section and the third guiding section. The guide mechanism of the soft visual laryngoscope is in a multi-section split structure, and can be respectively arranged on different parts of the laryngoscope body, thereby being beneficial to reducing the requirements on the treatment of the laryngoscope body. Moreover, the independent second guide section corresponding to the bending section can better adapt to the flexible deformation requirement of the bending section, so that the stability of fixing the guide mechanism on the lens body of the soft visual laryngoscope is improved.

Description

Soft visual laryngoscope, soft visual laryngoscope sleeve and tracheal intubation device

Technical Field

The utility model relates to the field of visual intubation laryngoscopes, in particular to a soft visual laryngoscope, a soft visual laryngoscope sleeve and an endotracheal intubation device.

Background

The soft visual laryngoscope has the advantages of flexibility of the electronic bronchoscope and wide visual field of the hard visual laryngoscope, and greatly improves the simplicity of tracheal catheter operation by utilizing the visual laryngoscope.

The guide groove or the guide tube is arranged on the body of the existing soft visual laryngoscope, and the guide piece connected with the tracheal catheter can slide in the guide groove or the guide tube with a groove or a slit. In practical application, after the endoscope body is stretched into the pharyngeal cavity of a patient and aligned with the glottis of the patient, the guide piece is inserted into the guide groove or the guide tube on the endoscope body, and then the guide piece is pushed so that the guide piece enters the trachea with the tracheal catheter, and then the guide piece and the endoscope body are taken out, so that the intubation operation of the tracheal catheter is completed. The guide groove of the soft visual laryngoscope with the structure can be directly arranged on the scope body, and the guide pipe can be attached to the outer surface of the scope body.

However, the lens body of the soft visual laryngoscope is provided with a flexible bending section, and the guide groove is directly arranged on the whole lens body, so that the lens body needs to be grooved, and the problem of high manufacturing difficulty (particularly the grooving at the bending section) exists; the provision of the guide tube on the outer surface of the mirror body requires that the guide tube be integrally adhered to the outer surface of the mirror body, and has a problem that it is difficult to stably fix (particularly, fix at the curved section).

Therefore, how to provide a flexible visual laryngoscope which is easy to manufacture and has good fixing stability is a technical problem to be solved in the field.

Disclosure of utility model

The utility model aims to provide a novel technical scheme of a soft visual laryngoscope which is easy to manufacture and good in fixing stability.

According to a first aspect of the present utility model there is provided a flexible visual laryngoscope.

The flexible visual laryngoscope comprises a scope body and a guide mechanism extending along the length direction of the scope body, wherein the scope body comprises a control section, a bending section and a lens section which are sequentially connected, the guide mechanism comprises a first guide section, a second guide section and a third guide section, guide channels extending along the length direction of the scope body are arranged in the first guide section, the second guide section and the third guide section, separating parts extending along the length direction of the guide channels and communicated with the guide channels are arranged on the first guide section, the first guide section is connected with the control section, the third guide section is connected with the lens section, the second guide section is correspondingly arranged with the bending section, and two ends of the second guide section are respectively matched with or connected with the tail ends of the first guide section and the initial ends of the third guide section.

Optionally, the first guiding section is fixedly connected with the control section; and/or

The third guide section is fixedly connected with the lens section.

Optionally, the first guiding section and the control section are integrally formed; and/or

The third guide section and the lens section are integrally formed.

Optionally, the second guiding section is connected to the curved section.

Optionally, the second guide section is a flexible tube.

Optionally, two ends of the second guiding section are respectively in plug-in fit or scarf fit with the first guiding section and the third guiding section; and/or

And two ends of the second guide section are respectively adhered to the first guide section and the third guide section.

Optionally, a flared portion is provided at the beginning of the first guiding section, and the inner diameter of the flared portion gradually decreases along a direction away from the beginning of the first guiding section.

Optionally, a deflection guiding section is arranged at the tail end of the third guiding section, and the extending direction of the deflection guiding section faces to the axle center of the mirror body.

Optionally, a distal end of the third guiding section is provided with a constriction, and an inner diameter of the constriction gradually decreases in a direction toward the distal end of the third guiding section.

Optionally, a tongue depressor is further arranged on the mirror body.

Optionally, the separating portion is an opening or a cutout, and structures of the separating portions on the first guide section, the second guide section and the third guide section are the same or different.

Optionally, the separating portions on the first guide section, the second guide section and the third guide section are sequentially engaged.

Optionally, the start end of the second guide section is located in the guide channel of the first guide section, and the start end of the second guide section extends to a first preset position in the guide channel of the first guide section; and/or

The end of the second guide section is located within the guide channel of the third guide section, and the end of the second guide section extends to a second preset position within the guide channel of the third guide section.

According to a second aspect of the present utility model there is provided a flexible visual laryngoscope case.

The soft visual laryngoscope lens sleeve comprises a lens sleeve main body and a guide mechanism extending along the length direction of the lens sleeve main body, wherein the lens sleeve main body comprises a lens sleeve control section, a lens sleeve bending section and a lens sleeve lens section which are sequentially connected, the lens sleeve control section, the lens sleeve bending section and the lens sleeve lens section are respectively and correspondingly arranged with the control section, the bending section and the lens section of the lens body, the guide mechanism comprises a first guide section, a second guide section and a third guide section, guide channels extending along the length direction of the lens sleeve main body are respectively arranged in the first guide section, the second guide section and the third guide section, a separation part extending along the length direction of the guide channels and communicated with the guide channels is arranged on the first guide section, the third guide section is connected with the lens sleeve control section, and the second guide section is correspondingly arranged with the second guide section and the first guide section or the second guide section is correspondingly arranged at the first guide section and the second guide section.

Optionally, the first guiding section is fixedly connected with the mirror sleeve control section; and/or

The third guide section is fixedly connected with the lens section of the mirror sleeve.

Optionally, the first guiding section and the mirror sleeve control section are integrally formed; and/or

The third guide section and the lens section of the mirror sleeve are integrally formed.

Optionally, the second guide section is a flexible tube.

Optionally, two ends of the second guiding section are respectively in plug-in fit or scarf fit with the first guiding section and the third guiding section; and/or

And two ends of the second guide section are respectively adhered to the first guide section and the third guide section.

Optionally, a flared portion is provided at the beginning of the first guiding section, and the inner diameter of the flared portion gradually decreases along a direction away from the beginning of the first guiding section.

Optionally, a deflection guide section is disposed at the end of the third guide section, and the extending direction of the deflection guide section faces the axis of the lens sleeve main body.

Optionally, a distal end of the third guiding section is provided with a constriction, and an inner diameter of the constriction gradually decreases in a direction toward the distal end of the third guiding section.

Optionally, a tongue depressor is further arranged on the soft visual laryngoscope sleeve.

Optionally, the separating portion is an opening or a cutout, and structures of the separating portions on the first guide section, the second guide section and the third guide section are the same or different.

Optionally, the separating portions on the first guide section, the second guide section and the third guide section are sequentially engaged.

Optionally, the start end of the second guide section is located in the guide channel of the first guide section, and the start end of the second guide section extends to a first preset position in the guide channel of the first guide section; and/or

The end of the second guide section is located within the guide channel of the third guide section, and the end of the second guide section extends to a second preset position within the guide channel of the third guide section.

According to a third aspect of the present utility model there is provided an endotracheal intubation device.

The tracheal intubation device comprises the soft visual laryngoscope and the intubation mechanism or comprises the soft visual laryngoscope sleeve, the soft visual laryngoscope and the intubation mechanism; wherein,

The intubation mechanism comprises a guide piece and a guide rope, wherein a guide sliding hole is formed in the guide piece, and the guide rope is used for being matched with the guide channel and the guide sliding hole.

The guide mechanism of the soft visual laryngoscope is in a multi-section split structure, and can be respectively arranged on different parts of the laryngoscope body, thereby being beneficial to reducing the requirements on the treatment of the laryngoscope body. Moreover, the independent second guide section corresponding to the bending section can better adapt to the flexible deformation requirement of the bending section, so that the stability of fixing the guide mechanism on the lens body of the soft visual laryngoscope is improved.

The soft visual laryngoscope cover can be sleeved on the lens body of the soft visual laryngoscope, the lens body can be effectively isolated from the external environment, and the lens body is not required to be cleaned and disinfected by only replacing the soft visual laryngoscope cover when in use, so that the use convenience of the soft visual laryngoscope is improved. The guiding mechanism is of a multi-section split structure and can be arranged on different parts of the mirror sleeve main body respectively, so that the requirement on the treatment of the mirror sleeve main body is reduced. Moreover, the independent second guide section corresponding to the bending section can better adapt to the flexible deformation requirement of the bending section of the lens sleeve, so that the stability of fixing the guide mechanism on the lens sleeve of the soft visual laryngoscope is improved.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic structural view of an embodiment of a flexible laryngoscope according to the utility model.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is an enlarged view at B in fig. 1.

Fig. 4 is a schematic structural view of an embodiment of a flexible visual laryngoscope sheath according to the utility model.

Fig. 5 is an enlarged view at C in fig. 4.

Fig. 6 is an enlarged view of D in fig. 4.

The figures are marked as follows:

The lens comprises a lens body-1, a control section-11, a bending section-12, a lens section-13, a guide mechanism-2, a first guide section-21, a flaring part-210, a second guide section-22, a third guide section-23, a necking part-230, a separating part-24, a tongue depressor-3, a lens sleeve main body-1 ', a lens sleeve control section-11', a lens sleeve bending section-12 ', a lens sleeve section-13', a guide mechanism-2 ', a first guide section-21', a flaring part-210 ', a second guide section-22', a third guide section-23 ', a necking part-230', a separating part-24 ', and a tongue depressor-3'.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

As shown in fig. 1 to 3, the flexible visual laryngoscope of the utility model comprises a scope body 1 and a guide mechanism 2 extending along the length direction of the scope body 1. In the specific implementation, the soft visual laryngoscope is also provided with a handle, the handle can be connected with a display screen, and a part of a channel for air supply, medicine supply or decontamination is arranged on the handle.

The lens body 1 comprises a control section 11, a bending section 12 and a lens section 13 which are connected in sequence.

The control section 11 may be a straight section and is connected to the handle of a flexible visual laryngoscope. The control section 11 may have a tubular structure, and the control section 11 may be a metal spiral tube or a metal tube.

The bending section 12 is typically provided with a deforming mechanism. The deformation mechanism can be, for example, a snake bone mechanism, the shape of the deformation mechanism can be adjusted by applying force to the snake bone mechanism through an angle trigger or a knob and the like, and the deformation mechanism drives the bending section 12 to bend and deform, so that the purpose of changing the direction of the image pickup end of the mirror body 1 is achieved. The curved section 12 generally has a predetermined curved shape, which is adjustable to the curved section 12 by a deforming mechanism within the curved section 12. The predetermined curved shape of the curved section 12 may be, for example, arc-shaped, wavy, or angular, etc.

The lens section 13 is provided with an imaging unit, and an image of the front end of the lens body 1 can be acquired by the imaging unit.

The guide mechanism 2 includes a first guide section 21, a second guide section 22, and a third guide section 23, and guide channels extending along the length direction of the mirror body 1 are provided in each of the first guide section 21, the second guide section 22, and the third guide section 23. The first guide section 21, the second guide section 22 and the third guide section 23 of the guide mechanism 2 are of a split type structure. The guiding channels provided in the first guiding section 21, the second guiding section 22 and the third guiding section 23, respectively, may form a complete channel which may be used for guiding the rope or the guiding unit to move for guiding the endotracheal tube.

The first, second and third guide sections 21, 22 and 23 are provided with a separation portion 24 extending along the length direction of the guide passage and communicating with the guide passage. The guide cable or guide unit within the guide channel may exit the guide channel from the separation 24. The separation 24 may be an opening, a notch, a slit, or a slit that is closed by a flexible closure flap formed in the guide channel.

The first guide section 21 is connected to the control section 11. The first guide section 21 may be a groove-like structure formed directly on the outer wall surface of the control section 11. Or the first guide section 21 may be a guide tube attached to the outer wall surface of the control section 11. Still alternatively, the first guide section 21 may be a guide tube secured within a groove-like structure on the outer wall surface of the control section 11. The first guide section 21 may be attached to the control section 11 by bonding or welding or strapping or by integral formation.

The second guide section 22 is disposed corresponding to the curved section 12, and both ends of the second guide section 22 are respectively fitted or connected with the distal end of the first guide section 21 and the start end of the third guide section 23. The second guide section 22 may be secured to the curved section 12 by bonding or welding, or the second guide section 22 may not have a connecting relationship with the curved section 12 (i.e., the second guide section 22 is separated from the curved section 12). The second guide section 22 may have a generally tubular structure, such as a telescoping tube or a flexible tube. The two ends of the second guiding section 22 may be mated with the end of the first guiding section 21 and the start of the third guiding section 23 by plugging or sleeving, and may be further fixed with the first guiding section 21 or the third guiding section 23 by bonding or binding. The two ends of the second guide section 22 may also be connected to the end of the first guide section 21 and the beginning of the third guide section 23 by means of plastic welding. The distal end of the first guiding section 21 refers to the end of the first guiding section 21 remote from the handle of the flexible laryngoscope. The beginning of the third guiding section 23 refers to the end of the third guiding section 23 remote from the blade 3 of the flexible laryngoscope.

The third guide section 23 is connected to the lens section 13. The third guide section 23 may be a groove-like structure formed directly on the outer wall surface of the lens section 13. Or the third guide section 23 may be a guide tube attached to the outer wall surface of the lens section 13. Still alternatively, the third guide section 23 may be a guide tube fixed in a groove-like structure on the outer wall surface of the lens section 13. The third guide section 23 may be attached to the lens section 13 by bonding or welding or strapping or integrally formed.

When the soft visual laryngoscope is used, the lens body 1 of the soft visual laryngoscope is firstly stretched into the pharyngeal cavity of a patient, and the front end of the lens body 1 is adjusted through the angle trigger, so that the front end of the lens body 1 is aligned with the glottis of the patient. The guide cable or guide unit may then be inserted from the beginning of the first guide section 21, passed through the first, second and third guide sections 21, 22, 23, and extended from the end of the third guide section 23, and one end of the guide cable or guide unit extending from the third guide section 23 may enter the glottis.

The guide mechanism 2 of the soft visual laryngoscope is of a multi-section split structure, and can be respectively arranged on different parts of the lens body 1, thereby being beneficial to reducing the requirements on the treatment of the lens body 1. Moreover, the separate second guiding section 22 corresponding to the bending section 12 can better adapt to the flexible deformation requirement of the bending section 12, thereby improving the stability of the fixing of the guiding mechanism 2 on the body 1 of the flexible visual laryngoscope.

In one embodiment of the flexible laryngoscope of the utility model, the first guide section 21 is fixedly connected to the control section 11 for improved safety and convenience of use. The fixed connection between the first guide section 21 and the control section 11 may be achieved by means of adhesive bonding or welding or by means of an integral moulding.

In one embodiment of the flexible video laryngoscope of the utility model, the third guide section 23 is fixedly connected to the lens section 13 for improved safety and convenience of use. The fixed connection between the third guide section 23 and the lens section 13 may be achieved by means of adhesive bonding or welding or by means of an integral moulding.

In one embodiment of the flexible video laryngoscope of the utility model, the first guide section 21 is fixedly connected to the control section 11 and the third guide section 23 is fixedly connected to the lens section 13 for improved safety and convenience of use. The fixed connection between the first guide section 21 and the control section 11 may be achieved by means of adhesive bonding or welding or by means of an integral moulding. The fixed connection between the third guide section 23 and the lens section 13 may be achieved by means of adhesive bonding or welding or by means of an integral moulding.

Further, the first guiding section 21 is integrally formed with the control section 11; and/or the third guide section 23 is integrally formed with the lens section 13. The guide section is formed on the body 1 of the soft visual laryngoscope in an integrated manner, which is beneficial to ensuring the reliability of fixing the guide section on the body 1 to the greatest extent.

In one embodiment of the flexible video laryngoscope of the utility model, the second guide section 22 is connected to the curved section 12. The connection of the second guiding section 22 to the bending section 12 allows the second guiding section 22 to bend simultaneously with the bending section 12, improving the safety of the use of the flexible laryngoscope. The second guide section 22 may be secured to the curved section 12 by bonding or welding.

In one embodiment of the flexible video laryngoscope of the utility model, the second guide section 22 is a flexible tube in order to enhance the ease of use of the second guide section 22. The flexible tube may be made of silica gel.

In one embodiment of the flexible laryngoscope of the utility model, the two ends of the second guide section 22 are respectively in a plug-in or scarf-fit with the first guide section 21 and the third guide section 23 for improved ease of assembly.

In one embodiment of the flexible laryngoscope of the utility model, the two ends of the second guide section 22 are bonded to the first guide section 21 and the third guide section 23 respectively, in order to increase the safety of the connection.

In one embodiment of the flexible laryngoscope of the utility model, the initial end of the first guiding section 21 is provided with a flared portion 210, the inner diameter of the flared portion 210 gradually decreasing in a direction away from the initial end of the first guiding section 21. The flared portion 210 may be funnel-shaped or trumpet-shaped. The guide cable or guide unit can be conveniently and quickly introduced into the guide channel of the first guide section 21 through the flared portion 210.

In one embodiment of the flexible video laryngoscope of the utility model, the end of the third guiding section 23 is provided with a deflection guiding section, the extension direction of which is directed towards the axis of the lens body 1. The deflecting guide section may act to guide a guide cable or guide unit extending from the distal end of the third guide section 23 towards the axis of the flexible visual laryngoscope, allowing the guide cable or guide unit to more easily enter the glottis. In practice, the exit of the deflection guide section may be flush with the end of the body 1 of the flexible video laryngoscope, or the exit of the deflection guide section may extend beyond the end of the body 1 of the flexible video laryngoscope.

In one embodiment of the flexible laryngoscope of the utility model, the distal end of the third guide section 23 is provided with a cuff 230, the inner diameter of the cuff 230 gradually decreasing in a direction towards the distal end of the third guide section 23. The provision of the cuff 230 may more effectively guide the guide cable or guide unit into the glottis.

In practice, the deflector guide section and the receiving portion 230 may be the same portion, i.e., the end of the third guide section 23 is both deflected and received.

When the soft visual laryngoscope with the expanding part 210, the deflection guiding section and the collecting part 230 is used, the lens body 1 of the soft visual laryngoscope is firstly stretched into the pharyngeal cavity of a patient, and the front end of the lens body 1 is adjusted through the angle trigger, so that the front end of the lens body 1 is aligned with the glottis of the patient. The guide cable or guide unit is then inserted from the flared portion 210 of the first guide channel and extends from the deflection guide section (the narrowed portion 230) of the third guide channel, and one end of the guide cable or guide unit extending from the deflection guide section (the narrowed portion 230) can enter the glottis in a direction approaching the axis of the soft visual laryngoscope under the guiding action of the deflection guide section (the narrowed portion 230).

In one embodiment of the flexible visual laryngoscope of the utility model, the body 1 is further provided with a tongue depressor 3. A tongue depressor 3 is provided on the image acquisition end of the mirror body 1 for lifting the epiglottis to expose the glottis. When encountering a sagged epiglottis, the tongue depressor 3 can lift the epiglottis to expose the glottis without having to bypass the epiglottis from below, and the operation is simple and convenient. Meanwhile, the flexible visual laryngoscope with the tongue depressor 3 can enlarge the visual field at the front end of the flexible visual laryngoscope in the process of inserting the tongue into the pharyngeal cavity, and the structure of the oropharyngeal cavity can be distinguished more easily.

In one embodiment of the flexible laryngoscope of the utility model, the separation 24 is an opening or incision. When the separating portion 24 is open, the guide passage may take the form of a C-shaped groove. When the separating portion 24 is a slit, the guide passage may take on a structure having a slit.

The structures of the separating portions 24 on the first guide section 21, the second guide section 22, and the third guide section 23 are the same or different. The skilled person can choose the configuration of the separator 24 of the guide section suitable for the actual use requirements. For example, the separating portions 24 on the first guide section 21 and the third guide section 23 are both openings; the separating parts 24 on the first guide section 21 and the third guide section 23 are all cut-outs; the separating part 24 on the first guiding section 21 is an opening, and the separating part 24 on the third guiding section 23 is a cut; the separating part 24 on the first guiding section 21 is a cut, and the separating part 24 on the third guiding section 23 is an opening; the separating portion 24 on the second guide section 22 is an opening or a cutout.

In one embodiment of the flexible visual laryngoscope of the utility model, the separation 24 on the first, second and third guide sections 21, 22, 23 are engaged sequentially so that the guide cable or guide unit can more smoothly and easily exit the guide section through the separation 24.

In one embodiment of the flexible visual laryngoscope of the utility model, the beginning of the second guiding section 22 is located within the guiding channel of the first guiding section 21, and the beginning of the second guiding section 22 extends to a first preset position within the guiding channel of the first guiding section 21. The first preset position of the guide channel of the first guide section 21 may be flexibly selected according to actual requirements, for example, the first preset position is at the end of the flared portion 210 of the first guide section 21 or the first preset position is at the middle position of the first guide section 21. By arranging the end of the second guide section 22 within the first guide section 21, the guide cable or guide unit can be made to leave the guide channel more smoothly through the separation 24. The beginning of the second guiding section 22 refers to the end of the second guiding section 22 adjacent to the handle of the flexible laryngoscope. The distal end of the second guide section 22 is the end of the second guide section 22 remote from the handle of the flexible laryngoscope.

In one embodiment of the flexible visual laryngoscope of the utility model, the end of the second guide section 22 is located within the guide channel of the third guide section 23, and the end of the second guide section 22 extends to a second predetermined position within the guide channel of the third guide section 23. The second preset position of the guide channel of the third guide section 23 may be flexibly selected according to actual requirements, for example, the second preset position is at the beginning of the closing portion 230 of the third guide section 23, or the second preset position is at the middle position of the third guide section 23. By arranging the end of the second guide section 22 in the third guide section 23, the guide cable or guide unit can be made to leave the guide channel more smoothly through the separation 24.

As shown in fig. 4 to 6, the soft visual laryngoscope case of the present utility model includes a case body 1' and a guide mechanism 2' extending along a length direction of the case body 1 '. The soft visual laryngoscope cover can be sleeved outside the soft visual laryngoscope body.

The lens sleeve main body 1' comprises a lens sleeve control section 11', a lens sleeve bending section 12' and a lens sleeve lens section 13' which are sequentially connected, wherein the lens sleeve control section 11', the lens sleeve bending section 12' and the lens sleeve lens section 13' are respectively and correspondingly arranged with the control section, the bending section and the lens section of the lens body. The end of the lens section 13' of the lens sleeve can be provided with a transparent piece, and the transparent piece corresponds to the shooting end of the soft visual laryngoscope. The transparent member may be made of a transparent material such as polymethyl methacrylate (PMMA) or Polycarbonate (PC), and may have a plate-like structure or a film-like structure. In practice, the lens sleeve segment 13' may be made of a rigid plastic material to more stably and reliably sleeve the body of the soft laryngoscope.

The guide mechanism 2 'includes a first guide section 21', a second guide section 22', and a third guide section 23', and guide channels extending along the length direction of the lens housing main body 1 'are provided in each of the first guide section 21', the second guide section 22', and the third guide section 23'. The first 21', second 22' and third 23 'guide sections of the guide mechanism 2' are of split construction. The guiding channels provided in the first guiding section 21', the second guiding section 22' and the third guiding section 23', respectively, may form a complete channel which may be used for guiding the rope or the guiding unit for guiding the endotracheal tube.

The first guide section 21', the second guide section 22' and the third guide section 23 'are provided with a separation portion 24' extending along the length direction of the guide passage and communicating with the guide passage. The guide cable or guide unit within the guide channel may leave the guide channel from the separation 24'. The separation 24' may be an opening, a notch, a slit, or a slit that is closed by a flexible closure flap formed in the guide channel.

The first guide section 21 'is connected to the mirror housing control section 11'. The first guide section 21 'may be a groove-like structure formed directly on the outer wall surface of the mirror housing control section 11'. Or the first guide section 21 'may be a guide tube attached to the outer wall surface of the mirror housing control section 11'. Alternatively, the first guide section 21 'may be a guide tube fixed in a groove-like structure on the outer wall surface of the mirror housing control section 11'. The first guide section 21 'may be attached to the lens housing control section 11' by bonding or welding or by an integral molding.

The second guiding section 22' is disposed corresponding to the lens sleeve bending section 12', and both ends of the second guiding section 22' are respectively matched with or connected to the end of the first guiding section 21' and the beginning of the third guiding section 23 '. The second guide section 22 'may be secured to the sheath bending section 12' by bonding or welding, or the second guide section 22 'may not have a connection relationship with the sheath bending section 12' (i.e., the second guide section 22 'is separated from the sheath bending section 12'). The second guide section 22' may have a generally tubular structure, such as a telescoping tube or a flexible tube. The two ends of the second guide section 22' may be mated with the end of the first guide section 21' and the start of the third guide section 23' by plugging or sleeving, and may be further fixed with the first guide section 21' or the third guide section 23' by bonding. The two ends of the second guide section 22' may also be connected to the end of the first guide section 21' and the beginning of the third guide section 23' by means of plastic welding. The distal end of the first guide section 21 'is the end of the first guide section 21' remote from the handle of the flexible laryngoscope. The beginning of the third guiding section 23' refers to the end of the third guiding section 23' remote from the blade 3' of the flexible laryngoscope.

The third guide section 23 'is connected to the lens sleeve section 13'. The third guide section 23 'may be a groove-like structure formed directly on the outer wall surface of the lens barrel section 13'. Or the third guide section 23 'may be a guide tube attached to the outer wall surface of the lens barrel section 13'. Still alternatively, the third guide section 23 'may be a guide tube secured within a groove-like structure on the outer wall surface of the sleeve lens section 13'. The third guide section 23 'may be attached to the sleeve lens section 13' by bonding or welding or by integral molding.

The soft visual laryngoscope cover can be sleeved on the lens body of the soft visual laryngoscope, the lens body can be effectively isolated from the external environment, and the lens body is not required to be cleaned and disinfected by only replacing the soft visual laryngoscope cover when in use, so that the use convenience of the soft visual laryngoscope is improved. The guiding mechanism 2' is of a multi-section split structure and can be arranged on different parts of the mirror sleeve main body 1', so that the processing requirement on the mirror sleeve main body 1' is reduced. Moreover, the independent second guiding section 22' corresponding to the bending section can better adapt to the flexible deformation requirement of the lens sleeve bending section 12', thereby improving the stability of the fixing of the guiding mechanism 2' on the soft visual laryngoscope lens sleeve.

In one embodiment of the flexible visual laryngoscope sheath of the utility model, the first guide section 21 'is fixedly connected to the sheath control section 11' for improved safety and convenience of use. The fixed connection between the first guide section 21 'and the mirror housing control section 11' can be achieved by means of gluing or welding or by means of an integral molding.

In one embodiment of the flexible video laryngoscope sheath of the utility model, the third guide section 23 'is fixedly connected to the sheath lens section 13'. The fixed connection between the third guide section 23 'and the lens section 13' of the lens sleeve can be achieved by means of bonding or welding or by means of integral molding.

In one embodiment of the flexible visual laryngoscope sheath of the utility model, the first guide section 21 'is fixedly connected to the sheath control section 11' and the third guide section 23 'is fixedly connected to the sheath lens section 13' for improved safety and convenience of use. The fixed connection between the first guide section 21 'and the mirror housing control section 11' can be achieved by means of gluing or welding or by means of an integral molding. The fixed connection between the third guide section 23 'and the lens section 13' of the lens sleeve can be achieved by means of bonding or welding or by means of integral molding.

Further, the first guiding section 21 'is integrally formed with the mirror housing control section 11'; and/or the third guide section 23 'is integrally formed with the sleeve lens section 13'. The guide section is formed on the soft visual laryngoscope sleeve in an integrated forming mode, so that the reliability of fixing the guide section on the sleeve is guaranteed to the greatest extent.

In one embodiment of the soft visual laryngoscope sheath of the utility model, the second guide section 22 'is a flexible tube in order to enhance the ease of use of the second guide section 22'. The flexible tube may be made of silica gel.

In one embodiment of the flexible visual laryngoscope sheath of the utility model, the two ends of the second guiding section 22' are respectively in plug-fit or scarf-fit with the first guiding section 21' and the third guiding section 23', in order to improve the convenience of assembly.

In one embodiment of the flexible visual laryngoscope sheath according to the utility model, the two ends of the second guide section 22' are bonded to the first guide section 21' and the third guide section 23', respectively, in order to increase the safety of the connection.

In one embodiment of the flexible visual laryngoscope sheath of the utility model, the initial end of the first guiding section 21 'is provided with a flared portion 210', the inside diameter of the flared portion 210 'gradually decreasing in a direction away from the initial end of the first guiding section 21'. The flared portion 210' may be funnel-shaped or trumpet-shaped. The guide cable or guide unit can be conveniently and quickly introduced into the guide channel of the first guide section 21 'through the flared portion 210'.

In one embodiment of the flexible visual laryngoscope sheath of the utility model, the end of the third guiding section 23 'is provided with a deflection guiding section, the direction of extension of which is directed towards the centre of the sheath body 1'. The deflecting guide section may act to guide a guide cable or guide unit extending from the distal end of the third guide section 23' closer to the axis of the flexible visual laryngoscope sheath, allowing the guide cable or guide unit to more easily enter the glottis. In particular embodiments, the outlet of the deflection guide section may be flush with the end of the flexible visual laryngoscope sheath, or the outlet of the deflection guide section may extend beyond the end of the flexible visual laryngoscope sheath.

In one embodiment of the flexible visual laryngoscope sheath of the utility model, the distal end of the third guide section 23 'is provided with a cuff 230', the inner diameter of the cuff 230 'gradually decreasing in a direction towards the distal end of the third guide section 23'. The provision of the cuff 230' may more effectively guide the guide cable or guide unit into the glottis.

In particular, the deflector guide section and the receiving portion 230 'may be the same portion, i.e., the end of the third guide section 23' is both deflected and received.

In one embodiment of the flexible visual laryngoscope cover of the utility model, a tongue depressor 3' is also provided on the flexible visual laryngoscope cover. A tongue depressor 3' is provided on the end of the flexible visual laryngoscope for lifting the epiglottis to expose the glottis. When encountering a sagged epiglottis, the tongue depressor 3' can lift the epiglottis to expose the glottis without having to bypass the epiglottis from below, and the operation is simple and convenient. Meanwhile, in the process that the soft visual laryngoscope with the tongue depressor 3' is sleeved in the pharyngeal cavity of the insertion port, the visual field at the front end of the soft visual laryngoscope can be enlarged, and the structure of the oropharyngeal cavity can be distinguished more easily.

In one embodiment of the flexible video laryngoscope sheath of the utility model, the separation 24' is an opening or incision. When the separating portion 24' is open, the guide passage may take the form of a C-shaped groove. When the separating portion 24' is a slit, the guide passage may take on a structure having a slit.

The structure of the separating portions 24 'on the first guide section 21', the second guide section 22 'and the third guide section 23' is the same or different. The person skilled in the art can choose the configuration of the separating portion 24' of the guiding section suitable for the actual use requirements.

In one embodiment of the flexible visual laryngoscope sheath of the utility model, the separation 24' on the first 21', second 22' and third 23' guide sections are joined in sequence so that the guide cable or guide unit can more smoothly and easily exit the guide sections through the separation 24 '.

In one embodiment of the soft visual laryngoscope sheath of the utility model, the beginning of the second guide section 22 'is located within the guide channel of the first guide section 21', and the beginning of the second guide section 22 'extends to a first predetermined position within the guide channel of the first guide section 21'. The first preset position of the guide channel of the first guide section 21 'may be flexibly selected according to actual requirements, for example, the first preset position is at the end of the flared portion 210' of the first guide section 21', or the first preset position is at the middle position of the first guide section 21'. By arranging the end of the second guide section 22' within the first guide section 21', the guide cable or guide unit can be made to leave the guide channel more smoothly through the separation 24 '. The beginning of the second guide section 22 'is the end of the second guide section 22' adjacent the handle of the flexible laryngoscope. The distal end of the second guide section 22 'is the end of the second guide section 22' distal from the handle of the flexible laryngoscope.

In one embodiment of the flexible visual laryngoscope sheath of the utility model, the distal end of the second guide section 22 'is located within the guide channel of the third guide section 23', and the distal end of the second guide section 22 'extends to a second predetermined location within the guide channel of the third guide section 23'. The second preset position of the guide channel of the third guide section 23 'may be flexibly selected according to actual requirements, for example, the second preset position is at the beginning of the receiving portion 230' of the third guide section 23', or the second preset position is at the middle position of the third guide section 23'. By arranging the end of the second guide section 22' in the third guide section 23', the guide cable or guide unit can be made to leave the guide channel more smoothly through the separation 24 '.

The utility model also provides an endotracheal intubation device comprising the soft visual laryngoscope and intubation mechanism of the present disclosure.

The intubation mechanism comprises a guide piece and a guide rope, and a guide sliding hole is arranged in the guide piece. The guide slide hole may extend from a start end of the guide to an end of the guide, and both end openings of the guide slide hole may be located on a side wall surface of the guide. The leading end of the guide means one end of the guide which is inserted into the glottis, and the trailing end of the guide means the other end of the guide which is opposite to the leading end of the guide.

The guide cable is configured to mate with the guide channel and the guide slide aperture. The guide slide aperture is typically a sliding fit with the guide cable. In practice, the width of the separating portion 24 and the diameter of the guide wire may be selected differently depending on the design of the separating portion 24 of the guide channel. For example, if the separator 24 has a relatively good flexibility, the diameter of the guide wire may be greater than or equal to the width of the separator 24. For another example, if the separation portion 24 has a large hardness, the diameter of the guide wire may be smaller than or equal to the width of the separation portion 24.

In addition, the size of the leading end of the guide may be set to be larger than the width of the separation portion 24 to avoid the problem that the leading end of the guide protrudes from the separation portion 24 into the guide passage to cause an increase in resistance to movement of the guide.

The tracheal intubation device of the present disclosure may be used as follows:

The endoscope body 1 of the soft visual laryngoscope is firstly stretched into the pharyngeal cavity of a patient, the guide mechanism 2 enters the pharyngeal cavity of the patient along with the endoscope body 1, and the front end of the endoscope body 1 is adjusted through the angle trigger, so that the front ends of the endoscope body 1 and the guide mechanism 2 are aligned with the glottis of the patient. The guide cable is then inserted from the first guide section 21 and extends from the third guide section 23, the end of the guide cable extending beyond the third guide section 23 being accessible to the glottis. Then, the guide member and the endotracheal tube which are fitted over the guide wire are pushed, and the endotracheal tube and the guide member are moved along the guide wire, and the guide member applies a pulling force to the guide wire toward the outside of the separation portion 24 during the movement, and the guide wire is pulled out of the guide passage from the separation portion 24 by the pulling force. When the guide moves to the end of the third guide section 23, both the guide and the guide cable are separated from the guide mechanism 2. Then, the tracheal tube is pushed further, and the guide piece slides into the glottis along the guide rope and enters the trachea with the tracheal tube. Finally, the guide rope and the guide piece are pulled out from the tracheal catheter, and meanwhile, the soft visual laryngoscope is withdrawn, so that the intubation of the tracheal catheter is completed.

In the actual operation process, the guide rope can be inserted into the guide channel in advance, and then the guide rope is inserted into the glottis of the patient through the operation that the soft visual laryngoscope enters the pharyngeal cavity of the patient. And then the assembly of the guide piece and the guide rope and the subsequent operation are carried out.

The utility model also provides an endotracheal intubation device which comprises the soft visual laryngoscope sleeve, the soft visual laryngoscope and an intubation mechanism.

The intubation mechanism comprises a guide piece and a guide rope, and a guide sliding hole is arranged in the guide piece. The guide slide hole may extend from a start end of the guide to an end of the guide, and both end openings of the guide slide hole may be located on a side wall surface of the guide. The leading end of the guide means one end of the guide which is inserted into the glottis, and the trailing end of the guide means the other end of the guide which is opposite to the leading end of the guide.

The guide cable is configured to mate with the guide channel and the guide slide aperture. The guide slide aperture is typically a sliding fit with the guide cable. In practice, the width of the separating portion 24 'and the diameter of the guide wire may be selected differently depending on the design of the separating portion 24' of the guide channel. For example, if the separation portion 24 'has a relatively good flexibility, the diameter of the guide wire may be greater than or equal to the width of the separation portion 24'. For another example, if the separation portion 24 'has a greater hardness, the diameter of the guide wire may be less than or equal to the width of the separation portion 24'.

In addition, the size of the leading end of the guide may be set to be larger than the width of the separation portion 24 'to avoid the problem that the leading end of the guide protrudes from the separation portion 24' into the guide passage to cause an increase in resistance to movement of the guide.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (26)

1. The utility model provides a soft visual laryngoscope, its characterized in that includes the mirror body and follows the guiding mechanism that the length direction of mirror body extends, wherein, the mirror body includes control section, crooked section and the camera lens section of connecting in order, guiding mechanism includes first guide section, second guide section and third guide section, just all be provided with in the first guide section, second guide section and the third guide section along the guiding channel that the length direction of mirror body extends, be equipped with on first guide section, second guide section and the third guide section along the length direction of guiding channel extends and with the separation portion that guiding channel is linked together, first guide section with control section is connected, third guide section with camera lens section is connected, the second guide section with crooked section corresponds the setting, just the both ends of second guide section respectively with the terminal of first guide section and the beginning of third guide section match or be connected.

2. A flexible visual laryngoscope according to claim 1, wherein the first guide section is fixedly connected to the control section; and/or

The third guide section is fixedly connected with the lens section.

3. A flexible visual laryngoscope according to claim 2, wherein the first guide section is integrally formed with the control section; and/or

The third guide section and the lens section are integrally formed.

4. A flexible visual laryngoscope according to claim 1, wherein the second guide section is connected to the curved section.

5. A flexible visual laryngoscope according to claim 1, wherein the second guide section is a flexible tube.

6. A flexible visual laryngoscope according to claim 1, wherein the two ends of the second guide section are in a plug or scarf fit with the first guide section and the third guide section respectively; and/or

And two ends of the second guide section are respectively adhered to the first guide section and the third guide section.

7. A flexible visual laryngoscope according to claim 1, wherein the initial end of the first guide section is provided with a flared portion, the flared portion having an inner diameter which tapers in a direction away from the initial end of the first guide section.

8. A flexible visual laryngoscope according to claim 1, wherein the end of the third guide section is provided with a deflection guide section, the direction of extension of the deflection guide section being towards the centre of the lens body.

9. A flexible visual laryngoscope according to claim 1, wherein the distal end of the third guide section is provided with a cuff portion having an inner diameter that tapers in a direction towards the distal end of the third guide section.

10. A flexible visual laryngoscope according to claim 1, wherein the body is further provided with a tongue depressor.

11. A flexible visual laryngoscope according to any one of claims 1 to 10, wherein the separation is an opening or cut, the separation on the first, second and third guide sections being of the same or different construction.

12. A flexible visual laryngoscope according to claim 11, wherein the separation on the first, second and third guide sections is in sequential engagement.

13. A flexible visual laryngoscope according to claim 11, wherein the beginning of the second guide section is located within the guide channel of the first guide section and the beginning of the second guide section extends to a first predetermined position within the guide channel of the first guide section; and/or

The end of the second guide section is located within the guide channel of the third guide section, and the end of the second guide section extends to a second preset position within the guide channel of the third guide section.

14. The utility model provides a soft visual laryngoscope mirror cover, its characterized in that includes mirror cover main part and along the guiding mechanism that the length direction of mirror cover main part extends, wherein, mirror cover main part includes mirror cover control section, mirror cover bending section and mirror cover lens section that connects in order, mirror cover control section mirror cover bending section with mirror cover lens section respectively with the control section of mirror body, bending section and lens section correspond the setting, guiding mechanism includes first guide section, second guide section and third guide section, just all be provided with in the first guide section, second guide section and the third guide section along the guiding channel that the length direction of mirror cover main part extends, first guide section second guide section and be equipped with on the third guide section along the length direction of guiding channel extends and with guiding channel is linked together, first guide section with mirror cover control section is connected, the third guide section with the cover lens section is connected, just second guide section is connected with second guide section and is connected with second guide section is connected with the corresponding first guide section and the both ends of bending section respectively.

15. A flexible visual laryngoscope case according to claim 14, wherein the first guide section is fixedly connected to the case control section; and/or

The third guide section is fixedly connected with the lens section of the mirror sleeve.

16. A flexible visual laryngoscope case according to claim 15, wherein the first guide section is integrally formed with the case control section; and/or

The third guide section and the lens section of the mirror sleeve are integrally formed.

17. A soft visual laryngoscope case according to claim 14, wherein the second guide section is a flexible tube.

18. A flexible visual laryngoscope case according to claim 14, wherein the two ends of the second guide section are respectively in a plug or scarf fit with the first guide section and the third guide section; and/or

And two ends of the second guide section are respectively adhered to the first guide section and the third guide section.

19. A flexible visual laryngoscope case according to claim 14, wherein the initial end of the first guide section is provided with a flared portion, the flared portion having an inner diameter which tapers in a direction away from the initial end of the first guide section.

20. A flexible visual laryngoscope case according to claim 14, wherein the end of the third guide section is provided with a deflection guide section, the direction of extension of the deflection guide section being towards the centre of the case body.

21. A flexible visual laryngoscope case according to claim 14, wherein the end of the third guide section is provided with a constriction, the constriction having an inner diameter which tapers in a direction towards the end of the third guide section.

22. The flexible visual laryngoscope sheath according to claim 14, wherein the flexible visual laryngoscope sheath is further provided with a tongue depressor.

23. A flexible visual laryngoscope sheath according to any one of claims 14 to 22, wherein the separation is an opening or cut, and the structures of the separation on the first, second and third guide sections are the same or different.

24. A flexible visual laryngoscope case according to claim 23, wherein the separating portions on the first, second and third guide sections are engaged sequentially.

25. A flexible visual laryngoscope case according to claim 23, wherein the start of the second guide section is located within the guide channel of the first guide section and the start of the second guide section extends to a first predetermined position within the guide channel of the first guide section; and/or

The end of the second guide section is located within the guide channel of the third guide section, and the end of the second guide section extends to a second preset position within the guide channel of the third guide section.

26. An endotracheal intubation device comprising a flexible laryngoscope and intubation mechanism according to any one of claims 1 to 13, or a flexible laryngoscope sheath, flexible laryngoscope and intubation mechanism according to any one of claims 14 to 25; wherein,

The intubation mechanism comprises a guide piece and a guide rope, wherein a guide sliding hole is formed in the guide piece, and the guide rope is used for being matched with the guide channel and the guide sliding hole.