CN213721862U - Laryngoscope lens subassembly and tongue depressor - Google Patents

Abstract

The utility model provides a laryngoscope lens subassembly and tongue depressor, this laryngoscope lens subassembly include the lens and set up and be used for blockking the protection piece that takes place the virus propagation between doctor and the patient in laryngoscope lens rear end, the tongue depressor include the tongue depressor body, one side that the tongue depressor body is close to the doctor is equipped with and is used for blockking the protection piece that takes place the virus propagation between doctor and the patient.

Description

Laryngoscope lens subassembly and tongue depressor

Technical Field

The utility model belongs to the field of visual medical instrument, concretely relates to laryngoscope lens subassembly and tongue depressor.

Background

The tongue depressor is an instrument for depressing the tongue to facilitate examination of surrounding organs and tissues, is mainly used for pharyngeal vision examination, and is a necessary examination instrument for doctors. The traditional tongue depressor is a wooden strip veneer with two semicircular ends, and the wooden tongue depressor belongs to a consumable material and has large demand on wood. The doctor lightly presses 2/3 the front of the tongue with the spatula and checks the tonsil, the arch of tongue and palate, the arch of pharynx and palate, the back wall of pharynx, etc. During an outbreak, throat swab collection is an important test to detect the presence or absence of infection with new coronavirus. The collection of throat swab for nucleic acid detection is one of the methods for determining new coronavirus infection, and the collection of throat swab specimen usually requires the operation of a tongue depressor. When a patient breathes out, a large amount of virus-carrying aerosol and the possibility of droplets are generated. The large number of patients presents a significant challenge and threat to healthcare workers who conduct the collection work on a daily basis. In summary, the conventional tongue depressor has the following disadvantages: no direct protective measures are taken between medical care personnel and patients, so that the probability of virus infection is increased; when virus collection or pharyngeal examination is carried out, an external light source is required to be matched under the influence of the environment, so that the operation of medical personnel is inconvenient; the wooden tongue depressor consumes a large amount of raw materials and is not environment-friendly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a laryngoscope lens subassembly, this subassembly include the lens and set up and be used for blockking the protection piece that takes place the virus propagation between doctor and the patient at laryngoscope lens rear end.

Preferably, the shield comprises a flap which is integrally or removably fixedly attached to the laryngoscope lens.

Preferably, the lens comprises a tube body sleeved on the laryngoscope handle and a tongue depressor arranged on the tube body and extending forwards relative to the front end of the tube body, the tube body comprises an arc-shaped tube section matched with the physiological curvature of the oral cavity and the throat of a human body and a connecting tube section used for connecting the laryngoscope handle, the connecting tube section is detachably connected with the laryngoscope handle, and the protection piece is arranged on the connecting tube section.

Preferably, the guard has a blocking face towards the patient end, the blocking face being dimensioned to block at least the oronasal region of the patient.

Preferably, the baffle has a mainboard body and an auxiliary plate body, the auxiliary plate body extends downwards along the interlude of mainboard body to leave the space that supplies the doctor to gather the operation between mainboard body and the auxiliary plate body.

Preferably, the guard is substantially perpendicular to the connecting segment.

Preferably, the baffle is made of transparent materials.

Preferably, the baffle plate forms a mounting hole for the baffle plate to be sleeved on the connecting pipe section, and the baffle plate is tightly fitted with the connecting pipe section through the mounting hole.

Preferably, the connecting pipe section is a conical pipe, the conical pipe is arranged on the rear side of the arc-shaped pipe section and is integrally connected with the arc-shaped pipe section, a buckle used for being connected with a buckle of a laryngoscope handle is arranged on the inner side of the conical pipe, a limiting bulge is arranged on the outer side wall of the conical pipe, a mounting hole used for sleeving the baffle plate on the conical pipe is arranged in the middle area of the baffle plate, and a limiting groove in limiting fit with the limiting bulge is formed in the inner wall of the mounting hole.

Based on the utility model discloses think, the utility model discloses still provide a tongue depressor, a serial communication port, the tongue depressor include the tongue depressor body, one side that the tongue depressor body is close to the doctor is equipped with and is used for blockking the protection piece that takes place virus propagation between doctor and the patient.

Compared with the prior art, the utility model discloses following technological effect has:

the laryngoscope lens component provided by the utility model can effectively prevent virus transmission between doctors and patients; particularly, when a doctor performs throat swab collection and detection, the laryngoscope lens provided by the utility model can effectively prevent other gas and liquid such as aerosol exhaled by a patient from being transmitted to the doctor, thereby remarkably reducing the infection rate of the doctor in diagnosis and treatment of viral infection diseases; while also avoiding the spread of the doctor towards the patient.

Through the utility model provides a laryngoscope lens can reduce accommodating volume with protection piece and laryngoscope lens quick assembly disassembly, also can only use the tongue depressor body simultaneously, avoids causing the encumbrance, practical convenient to the doctor when some non-viral inspection.

Furthermore, the utility model discloses a design into the opposite sex shape with the baffle, make things convenient for the doctor to gather the operation when effectively blockking the virus propagation.

Drawings

Fig. 1 is a schematic structural view of a visual laryngoscope provided by the invention;

fig. 2 is a schematic view of the visual laryngoscope provided by the utility model;

fig. 3 to 4 are schematic structural views of laryngoscope lenses and D-direction sectional views thereof according to the present invention;

fig. 5 is a schematic structural view of a visual laryngoscope for preoperative evaluation provided by the invention.

Detailed Description

The embodiments of the present invention will be described in detail below, and the embodiments described with reference to the drawings are exemplary and are only used for explaining the present invention, and cannot be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "front", "back", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, 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 limited, the terms "mounted" and "connected" should be interpreted broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, directly or indirectly through an intermediate medium, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

Example 1

Referring to fig. 1-2, the visual laryngoscope comprises a display 1, a handle 2, a laryngoscope handle 3 and a lens 5, wherein the display 1 and the laryngoscope handle 3 are arranged on the handle 2, a visual device such as a camera 31 is arranged at the front end of the laryngoscope handle 3, and the lens 5 is detachably sleeved on the laryngoscope handle 5;

referring to fig. 4, the lens 5 includes a tube body 51 for being sleeved on the laryngoscope handle and a tongue depressor 52 which is arranged on the tube body 51 and extends forward relative to the front end of the tube body 51, the tube body 51 includes an arc-shaped tube section 511 adapted to the physiological curvature of the oral cavity and the throat of a human body and a connecting tube section 512 for connecting the laryngoscope handle 3, and the connecting tube section 512 is detachably connected and matched with the laryngoscope handle 3 in a snap connection mode and the like;

based on the above visual laryngoscope, please refer to fig. 1-2 again, the present embodiment provides an improved laryngoscope lens assembly, which includes a laryngoscope lens 5 and a protection component 6 disposed at the rear end of the laryngoscope lens 5 for blocking the virus transmission between the doctor and the patient.

The laryngoscope lens assembly provided by the embodiment can effectively prevent virus propagation between a doctor and a patient; particularly, when a doctor performs throat swab collection and detection, the laryngoscope lens assembly provided by the utility model can effectively prevent other gas and liquid such as aerosol exhaled by a patient from being transmitted to the doctor, thereby remarkably reducing the infection rate of the doctor in diagnosis and treatment of viral infection diseases; while also avoiding the spread of the doctor towards the patient.

For high and the inconvenient scheduling problem of doctor wear of cost such as protective clothing, the utility model provides a laryngoscope lens subassembly can provide preliminary isolation measure at the detection initial stage, with low costs and convenient to use, and the convenience increases popularization and application clinically.

The arrangement form and the position of the protection part 6 can be changed in many ways; in some embodiments, the protection member 6 is integrally connected with the rear end of the laryngoscope lens 5, i.e. the protection member 6 and the laryngoscope lens 5 cannot be separated for single use by a doctor; in some preferred embodiments, the protective piece is fixedly connected with the laryngoscope lens in a removable mode, and the accommodating space is obviously reduced; at the same time, without the risk of viral infection, the doctor can use only the laryngoscope lens without using a protective element; in some embodiments, the protective member 6 is in a positive fit with the laryngoscope lens 5, such as a snap fit, a male-female fit, or the like; referring to fig. 3-4, in one embodiment, the protection device is a baffle 6, the baffle is blocked between the doctor and the patient, the baffle has a blocking surface facing the patient end, and the blocking surface is designed to at least block the mouth and nose of the patient; thus, other gas and liquid such as aerosol exhaled by the mouth and the nose of the patient can be effectively blocked inside the baffle plate, wherein the inside refers to the inner side and the outer side relative to a doctor.

As mentioned above, referring to fig. 3, the lens 5 includes a tube 51 for being sleeved on the laryngoscope handle and a tongue depressor 52 disposed on the tube 51 and extending forward relative to the front end of the tube, the tube includes an arc-shaped tube section 511 adapted to the physiological curvature of the oral cavity and throat of a human body and a connecting tube section 512 for connecting the laryngoscope handle, the connecting tube section 512 is detachably connected with the laryngoscope handle; specifically, the baffle 6 is disposed on the connecting pipe section 512, thus serving to block the spread of viruses while not obstructing the visualization and tongue depressing operations; in some embodiments, the baffle 6 is removably sleeved on the connecting section of the pipe body; specifically, the baffle 6 is provided with a mounting hole 61 for the baffle 6 to be sleeved on the outer wall of the connecting pipe section 512, so that the baffle can be in close fit to avoid falling off; preferably, the baffle 6 is provided with a mounting hole 61 which extends forwards from the plane of the baffle to form a longitudinally extending cylindrical thin wall 610, and the longitudinally extending mounting hole 61 can improve the matching strength of the baffle and the connecting pipe section.

In some preferred embodiments, referring to fig. 2 and fig. 4, a limiting groove 611 is formed on an inner wall of the mounting hole 61, and the connecting pipe section is provided with a corresponding limiting protrusion (not shown), so that when the mounting hole 61 is sleeved on the connecting pipe section 512, the limiting protrusion is clamped into the limiting groove 611 to realize limiting fit between the mounting hole and the connecting pipe section, and thus, the baffle can be prevented from sliding off the lens or rotating and displacing while being conveniently taken and placed; when the laryngoscope lens is actually used, the tube body of the laryngoscope lens and the tongue depressor penetrate through the baffle mounting hole, and the limiting bulge on the tongue depressor is in limiting fit with the limiting groove of the connecting tube section; therefore, the baffle can be stably sleeved on the connecting pipe section, and the connecting pipe section is prevented from sliding off from the laryngoscope lens; in this embodiment, referring to fig. 3, a stopper 5122 is formed at the head end of the connecting pipe section 512, and when the baffle is sleeved on the connecting pipe section, the stopper 5122 is stopped at the rear side of the baffle, so that the baffle 6 is further prevented from moving towards the display, and the stability of the baffle is further improved.

In this embodiment, as shown in fig. 4, the connection pipe section 512 is a tapered pipe, the tapered pipe is disposed at the rear side of the arc pipe section 511 and integrally connected with the arc pipe section 511, and the inner wall of the installation hole is tightly attached to the tapered pipe, wherein a buckle 5121 connected with a latch of the laryngoscope handle is disposed at the inner side of the tapered pipe 512, and a limiting protrusion is disposed on the outer wall of the tapered pipe and is in limiting fit with a limiting groove on the installation hole, so that the baffle is tightly attached to the tapered pipe, and the baffle is fixed while the defect of virus propagation caused by a gap formed between the installation hole and the connection pipe section is avoided.

Further preferably, the baffle 6 is disposed substantially vertically with respect to the connecting pipe section 512, where the substantially vertical disposition includes a vertical disposition and a deviation from the vertical direction of not more than about 20 °; at this time, if the included angle between the baffle 6 and the laryngoscope lens 5 close to the doctor is too large, the face of the patient is easily pressed and uncomfortable, and the doctor is difficult to perform other operations; if the included angle is too small, the virus transmission cannot be effectively blocked. Clinical trials show that the protective piece and the laryngoscope lens connecting section are arranged basically vertically, so that the protective piece can play a role in blocking viruses while not obstructing the operation of a doctor.

In addition, as shown in fig. 3, the baffle plate 6 provided in this embodiment has a main plate body 61 and a sub-plate body 62, wherein the sub-plate body 62 extends downward along the middle section of the main plate body 61, so that a space a for collecting operation of a doctor is left between the main plate body 61 and the sub-plate body 62; thus, if the size of the whole baffle is large, the doctor is difficult to effectively collect body fluid due to the blocking of the baffle 6; therefore, as shown in the figure, the whole baffle is arranged in an approximately inverted convex shape, and the vacant area at the side of the auxiliary plate body is used for the collection instrument to carry out collection operation; it will be appreciated that the main plate is positioned to correspond to the oronasal region of the patient as a primary active surface and the secondary plate corresponds to the position of the mandible below the oronasal region of the patient, so that a reduction in size of the secondary plate compared to the main plate does not impair the blocking effect of the virus. In this embodiment, the transition department of the main plate body 61 and the auxiliary plate body 62 adopts the arc transition 63, avoids adopting the right angle transition to cause the hand cutting phenomenon, further improves the comfort level of doctor's operation.

Specifically, baffle 6 adopt transparent material preparation to form, the process of aspect doctor's visit into patient's oral cavity is observed through this baffle, avoids blind insertion.

Due to the influence of virus infection, the laryngoscope lens 5 provided by the embodiment is a disposable product, and cross infection is effectively avoided.

Optionally, an included angle α between the plate surface of the tongue depressor and a tangent line of the extending tail end of the concave surface of the arc tube body is 10 ° to 18 °.

The tongue depressor 52 extends out of the arc tube body 51 by a distance M of 8mm to 12 mm.

The bending radian beta of the arc-shaped pipe body relative to the central axis of the mirror handle is 8-12 degrees, and the opening section (rear end) of the pipe body

The distance N to the closed end (front end) is 110mm to 120 mm.

The shape, angle, data, length of this lens all depend on a large amount of clinical testing data, have adapted to human oral cavity structure well, improve the flexibility ratio of operation, reduce patient's discomfort degree to make clinical practicality, security, the reliability of tongue depressor obtain showing and improving, comfortable patient, in addition, the baffle of increase has protected medical personnel.

Example 2

This embodiment provides a visual laryngoscope, including display 1, handle 2 and laryngoscope handle 3 and embodiment 1 the lens subassembly, wherein, the display setting supplies the doctor to observe the use on the handle, laryngoscope handle 3 sets up in the bottom of handle just visual ware such as camera is installed to the front end of laryngoscope handle for transmit the internal image of patient to the display, lens 5 establish with detachable mode cover on the laryngoscope handle.

The lens and baffle are preferably disposable products.

Example 3

According to the concept of example 1, the present embodiment provides a tongue depressor, which includes a tongue depressor body, and a protection element is disposed on one side of the tongue depressor body close to a doctor for blocking virus transmission between the doctor and a patient.

The tongue depressor provided by the embodiment can effectively prevent virus transmission between doctors and patients; particularly when a doctor collects the throat swab for detection, the tongue depressor provided by the utility model can effectively prevent other gas and liquid such as aerosol exhaled by a patient from being transmitted to the doctor, thereby obviously reducing the infection rate of the doctor in diagnosis and treatment of viral infection diseases; while also avoiding the spread of the doctor towards the patient.

It can be understood that the tongue depressor body may be connected with other structures as a whole, as described in embodiment 1, the tongue depressor body may be connected with the laryngoscope lens as a whole, or may be used alone.

Example 4

On the basis of example 1, and the present embodiment further improves the laryngoscope lens, a visual laryngoscope lens 5 for preoperative evaluation is provided, and the bending radian alpha of the lens 5 is 0.3rad to 0.4 rad.

The laryngoscope lens 5 has a tube 51 and a tongue depressor 52 disposed thereon and projecting forwardly of the tube 51,

preferably, a tangent to the tube body 51 is inclined downward by 30 ° to 33 ° with respect to the central axis of the scope handle 3.

Further, the tongue depressor 52 extends forwards 15 mm-20 mm compared with the tube body 51.

In this embodiment, the lens 5 has a radius of 223mm, an arc length of 70mm (0.314 rad), and the lens 5 is inclined downward about 32 ° relative to the central axis of the handle (31.94 °); the tongue depressor 52 protrudes forward by 18mm compared to the tube body 51.

Can be convenient for outpatient service doctor judges whether the patient is difficult air flue to can shoot glottic picture synchronous transfer to the electronic medical record in, the patient of being convenient for when the different stages of seeing a doctor, the doctor can both accurately judge the patient condition.

Claims (8)

1. A laryngoscope lens assembly, characterised in that the assembly comprises a lens (5) and a guard (6) disposed at the rear end of the laryngoscope lens for blocking the transmission of viruses between a doctor and a patient; the protection part (6) comprises a baffle which is integrally connected with the laryngoscope lens or fixedly connected with the laryngoscope lens in a detachable mode; the baffle plate is provided with a main plate body (61) and an auxiliary plate body (62), wherein the auxiliary plate body (62) extends downwards along the middle section of the main plate body, so that a space (A) for collecting and operating by a doctor is reserved between the main plate body and the auxiliary plate body.

2. A laryngoscope lens assembly according to claim 1, wherein the lens (5) comprises a tube (51) adapted to fit over the laryngoscope handle and a tongue depressor (52) disposed on the tube and extending forwardly relative to the forward end of the tube, the tube comprising an arcuate tube section (511) adapted to the physiological curvature of the oral cavity and throat of a human body and a connecting tube section (512) for connection to the laryngoscope handle, the connecting tube section being detachably connectable to the laryngoscope handle, and the protective member (6) being disposed on the connecting tube section.

3. The laryngoscope lens assembly as recited in claim 1, wherein the guard has a blocking surface towards the patient end that is dimensioned to at least occlude the oronasal region of the patient.

4. The laryngoscope lens assembly as recited in claim 2, wherein the guard is disposed substantially perpendicular to the connecting tube section.

5. The laryngoscope blade assembly as recited in claim 1, wherein the cover is formed of a transparent material.

6. A laryngoscope lens assembly as claimed in claim 2, wherein the baffle defines a mounting aperture (60) for nesting with the connector section, through which the baffle fits snugly with the connector section.

7. The laryngoscope lens assembly as recited in claim 6, wherein the connecting tube is a tapered tube, the tapered tube is disposed at the rear side of the arc-shaped tube and integrally connected therewith, the tapered tube is provided with a buckle for buckling connection with the laryngoscope handle at the inner side and a limit protrusion at the outer side wall, the baffle plate is provided with a mounting hole at the middle region for sleeving the baffle plate on the tapered tube, and the mounting hole is formed with a limit groove (611) for limit-matching with the limit protrusion.

8. A tongue depressor, characterized in that, the tongue depressor comprises a tongue depressor body, the side of the tongue depressor body near the doctor is provided with a protection piece for blocking virus transmission between the doctor and the patient according to any one of claims 1-7.

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