CN111248845A

CN111248845A - Expandable support laryngoscope

Info

Publication number: CN111248845A
Application number: CN202010112770.0A
Authority: CN
Inventors: 钟磊
Original assignee: Zigong Fourth Peoples Hospital Zigong Emergency Center
Current assignee: Zigong Fourth Peoples Hospital Zigong Emergency Center
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-06-09

Abstract

The invention discloses an expandable support laryngoscope, which comprises a cylindrical laryngoscope body, wherein one end of the laryngoscope body is provided with a cylindrical expansion section, the expansion section comprises four expansion lobes which are distributed annularly, an expansion mechanism is arranged between two adjacent expansion lobes, the expansion mechanism comprises a rack body, a rack shell, an adjusting gear and a gear shell, the rack shell is a rectangular pipeline, one end of the rack shell is connected with the inner wall of the expansion lobe, one end of the rack body is connected with the inner wall of the other adjacent expansion lobe, the gear shell is arranged on one side surface of the rack shell, the adjusting gear is positioned in the gear shell and is meshed with the rack body, and the end surface of the adjusting gear is provided with a cross-shaped groove. The expansion section with adjustable expansion degree can properly open the interior of the laryngeal cavity and adapt to local fine surgery.

Description

Expandable support laryngoscope

Technical Field

The invention relates to the field of medical treatment, in particular to an expandable support laryngoscope.

Background

A laryngoscope is one type of microscopical laryngoscope. The structure is that the laryngoscope is connected on a support frame with adjustable height and distance, or the support frame is arranged on a chest protecting tray, so that the laryngoscope is more stable and fixed, and an operator can operate surgical instruments with both hands simultaneously. The support laryngoscope can fully expose the laryngopharyngeal cavity and the supraglottic structure, so that the whole epiglottis valley is exposed in the operation field, and the operation in the operation is facilitated. The existing laryngoscope is mainly a steel tube, the tail end of the steel tube is an oblique opening and is used for being inserted into the throat of a patient, the tail end of the laryngoscope is sharper, the injury to the throat of the patient is large, the size of the laryngoscope is fixed, and when the laryngoscope needs to be locally enlarged and expanded to perform more precise operation, the laryngoscope has no change space.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides an expandable support laryngoscope which is provided with an expansion section with adjustable expansion degree, can appropriately expand the interior of a laryngeal cavity and is suitable for local fine surgery.

The technical scheme adopted by the invention is as follows:

the utility model provides an expandable support laryngoscope, includes cylindric laryngoscope body, the one end of laryngoscope body is equipped with cylindric expansion section, the expansion section is equipped with the expanding mechanism including the four lamella expansion lamellas of annular distribution between two adjacent expansion lamellas, the expanding mechanism includes rack body, rack shell, adjusting gear and gear housing, the rack shell is long cubic's pipeline, wherein one end of rack shell with the inner wall of expansion lamella links to each other, wherein one end of rack body links to each other with another adjacent expansion lamella inner wall, gear housing locates a side of rack shell, adjusting gear is located in the gear housing and with the meshing of rack body mutually, the recess of cross form has been seted up on adjusting gear's the terminal surface.

The adjusting gear is screwed by a tool, the adjusting gear drives the rack to move, the distance between the arc plate and the arc plate is increased, and the tail end of the second circular tube is expanded, so that the tail end of the support laryngoscope is expanded. This allows the distal end of the laryngoscope to be adjustably expanded to accommodate local delicate surgery.

Preferably, the rotating shaft of the adjusting gear is connected with an adjusting rod, and the adjusting rod penetrates through the rack guide tube and extends out of the laryngoscope.

The expansion degree of the laryngoscope can be adjusted by directly twisting the adjusting rod by setting the adjusting rod, and the affected part is prevented from being touched by mistake when the tool stretches into the throat.

Further preferably, the edges of the expansion lobes are rounded.

The sharp edges can be prevented from extruding the throat to hurt the patient in the expanding and recovering processes by pouring the edges into round corners.

Further preferably, the expansion flap is a memory titanium alloy.

The titanium alloy has stable property, good compatibility with human tissues, no side effect caused by the contact of metal with human body, good resilience and difficult plastic deformation.

Further preferably, the expansion sections are all coated with a silica gel layer.

The silica gel layer is coated outside the expansion section, so that the discomfort of the patient can be relieved.

The beneficial effects of the invention include:

1. the adjusting gear is screwed by a tool, the adjusting gear drives the rack to move, the distance between the arc plate and the arc plate is increased, and the tail end of the second circular tube is expanded, so that the tail end of the support laryngoscope is expanded. Thus, the tail end of the laryngoscope can be adjustably expanded to adapt to local fine surgery;

2. the adjusting rod can be arranged to adjust the expansion degree of the laryngoscope by directly twisting the adjusting rod, so that the affected part is prevented from being touched by mistake when the tool extends into the throat;

3. the sharp edges are prevented from extruding the throat to hurt the patient in the expanding and recovering process by chamfering the edges;

4. the titanium alloy has stable property, has good phase property with human tissues, does not generate side effect due to the contact of metal with human bodies, has good resilience and is not easy to generate plastic deformation;

5. the silica gel layer is coated outside the expansion section, so that the discomfort of the patient can be relieved.

Drawings

Fig. 1 is a front view of an expandable support laryngoscope according to embodiment 1 of the invention;

fig. 2 is a left side view of an expandable support laryngoscope according to embodiment 1 of the invention;

FIG. 3 is a right side view of an expandable support laryngoscope according to embodiment 1 of the invention;

fig. 4 is a front view of an expandable support laryngoscope according to embodiment 2 of the invention;

fig. 5 is a left side view of an expandable support laryngoscope according to embodiment 2 of the invention;

FIG. 6 is a schematic view of an expandable support laryngoscope according to embodiment 3 of the invention;

fig. 7 is a schematic view of an expandable support laryngoscope according to embodiment 5 of the invention.

Reference numerals:

1-laryngoscope body, 2-expansion section, 3-expansion flap, 4-expansion mechanism, 5-rack body, 6-rack shell, 7-adjusting gear, 8-gear shell, 9-groove, 10-adjusting rod and 11-silica gel layer.

Detailed Description

Example 1:

as shown in fig. 1, 2 and 3, an expandable support laryngoscope comprises a cylindrical laryngoscope body 1, one end of the laryngoscope body 1 is provided with a cylindrical expansion section 2, the expansion section 2 comprises four expansion petals 3 distributed annularly, an expansion mechanism 4 is arranged between two adjacent expansion petals 3, the expansion mechanism 4 comprises a rack body 5, a rack housing 6, an adjusting gear 7 and a gear housing 8, the rack housing 6 is a rectangular pipeline, one end of the rack housing 6 is connected with the inner wall of the expansion petal 3, one end of the rack body 5 is connected with the inner wall of the other adjacent expansion petal 3, the gear housing 8 is arranged on one side surface of the rack housing 6, the adjusting gear 7 is arranged in the gear housing 8 and meshed with the rack body 5, and a cross-shaped groove 9 is formed in the end surface of the adjusting gear 7.

The adjusting gear 7 is screwed by a tool, the adjusting gear 7 drives the rack to move, the distance between the arc plate and the arc plate is increased, and the tail end of the second circular tube is expanded, so that the tail end of the support laryngoscope is expanded. This allows the distal end of the laryngoscope to be adjustably expanded to accommodate local delicate surgery.

Example 2:

as shown in fig. 4 and 5, on the basis of the embodiment 1, an adjusting rod 10 is connected to the rotating shaft of the adjusting gear 7, and the adjusting rod 10 extends out of the support laryngoscope through the rack conduit.

The adjusting rod 10 is arranged to adjust the expansion degree of the laryngoscope by directly twisting the adjusting rod 10, so that the affected part is prevented from being touched by mistake when the tool stretches into the throat.

Example 3:

as shown in fig. 6, the edges of the expansion lobes 3 are rounded off on the basis of example 2.

Example 4:

in example 3, the expansion flap 3 is made of a memory titanium alloy.

Example 5:

as shown in fig. 7, based on the embodiment 4, the expanding section 2 is covered with a silicone layer 11.

The silica gel layer 11 is coated outside the expansion section 2, so that the discomfort of the patient can be relieved.

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

Claims

1. The utility model provides an expandable support laryngoscope, includes cylindric laryngoscope body, its characterized in that, the one end of laryngoscope body is equipped with cylindric expansion section, the expansion section is equipped with the expansion mechanism including the four lamella expansion lamella of annular distribution between two adjacent expansion lamellas, the expansion mechanism includes rack body, rack shell, adjusting gear and gear housing, the rack shell is long cubic's pipeline, wherein one end of rack shell with the inner wall of expansion lamella links to each other, wherein one end of rack body links to each other with another adjacent expansion lamella inner wall, gear housing locates a side of rack shell, adjusting gear is located in the gear housing and with the meshing of rack body mutually, the recess of cross form has been seted up on adjusting gear's the terminal surface.

2. The expandable laryngoscope as recited in claim 1, wherein an adjustment rod is coupled to the rotatable shaft of the adjustment gear, and extends through the rack conduit and out of the laryngoscope.

3. An expandable support laryngoscope according to claim 2, wherein the edges of the expansion flap are rounded.

4. An expandable support laryngoscope according to claim 3, wherein the expansion flap is of a memory titanium alloy.

5. The expandable support laryngoscope according to claim 4, wherein the dilating segments are coated with a silicone layer.