CN112023234A

CN112023234A - Upper respiratory tract surface anesthesia device for fiber laryngoscope

Info

Publication number: CN112023234A
Application number: CN202010940792.6A
Authority: CN
Inventors: 刘勇; 何志颖; 王芸芸; 张欣; 黄东海
Original assignee: Xiangya Hospital of Central South University
Current assignee: Xiangya Hospital of Central South University
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2020-12-04
Anticipated expiration: 2040-09-09
Also published as: CN112023234B

Abstract

A upper respiratory tract surface anesthesia device for a fiber laryngoscope comprises a drug injection device and an extension device, wherein the extension device comprises a tube body and an atomizing spray head, the atomizing spray head is provided with a plugging part which is selectively unfolded or folded, when the atomizing spray head is inserted into a biopsy channel of the fiber laryngoscope along with the tube body, the plugging part is folded, so that the insertion operation is convenient, when the atomizing spray head reaches an opening at the top end of the biopsy channel of the fiber laryngoscope, the plugging part is unfolded and tightly attached to the biopsy channel, so that the atomizing spray head and the fiber laryngoscope are mutually fixed, and the atomizing spray head can synchronously act along with the fiber laryngoscope; meanwhile, the position of the atomizing nozzle in the biopsy channel can be calibrated and positioned in the unfolding process of the blocking component, so that the nozzle body is coaxial with the biopsy channel, the outgoing direction of the liquid medicine is consistent with the direction of the lens of the fiber laryngoscope, and the outgoing position of the liquid medicine is ensured to correspond to the observation position of the lens.

Description

Upper respiratory tract surface anesthesia device for fiber laryngoscope

Technical Field

The invention relates to the technical field of medical instruments, in particular to an upper respiratory tract surface anesthesia device for a fiber laryngoscope.

Background

The fiber laryngoscope is a medical optical fiber device, and can visually present a focus through imaging and visualization technologies when the detailed examination of the throat is carried out. The fiber laryngoscope is provided with a hollow structure made of optical fibers, a biopsy channel is arranged in the hollow structure of the fiber laryngoscope, the fiber laryngoscope can be connected with a biopsy forceps to carry out biopsy operation, and local anesthesia needs to be carried out on a biopsy area before the biopsy operation. Current local anesthesia device, generally including injection device and extension fixture, the injection device is including storing up medicine room and pressurization structure, store up the interior liquid medicine of medicine room, the pressurization structure pressurizes and realizes the injection operation to storing up medicine room inside, the extension fixture includes body and atomizer, the tail end of body is connected with the injection device, the head end of body sets up atomizer, atomizer includes the shower nozzle body, the shower nozzle body is hollow structure, this internal cavity that is linked together with the body that sets up of shower nozzle, and set up the liquid medicine export of a plurality of above-mentioned cavities of intercommunication on the shower nozzle body, guide and spray the liquid medicine to treating the anesthesia position. However, the existing anesthetic device cannot be applied to a fiber laryngoscope, because the fiber laryngoscope is of a soft lens structure, the hard tube body easily damages the optical fiber of the laryngoscope when in use, the orientation of the atomizing spray head cannot be controlled after the soft tube body is inserted into the biopsy channel of the fiber laryngoscope, the emitting direction of the anesthetic liquid medicine is not consistent with the visual field direction of the laryngoscope, the anesthetic liquid medicine cannot be sprayed to the biopsy area, and pain of a patient is easily caused. In addition, because the hollow structure of the fiber laryngoscope and the space of the biopsy channel are small, the existing anesthesia device can not be conveniently inserted into the fiber laryngoscope.

Disclosure of Invention

In order to overcome the defects in the background art, the invention discloses an upper respiratory tract surface anesthesia device for a fiber laryngoscope.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention discloses an upper respiratory tract surface anesthesia device for a fiber laryngoscope, which comprises a drug injection device and an extension device, wherein the drug injection device comprises a drug storage chamber and a pressurizing structure, liquid medicine is stored in the drug storage chamber, the pressurizing structure pressurizes the interior of the drug storage chamber and realizes drug injection operation, the extension device comprises a tube body and an atomizing spray head, the tail end of the tube body is connected with the drug injection device, the head end of the tube body is provided with the atomizing spray head, the atomizing spray head comprises a spray head body, the spray head body is of a hollow structure, a cavity communicated with the tube body is arranged in the spray head body, a plurality of liquid medicine outlets communicated with the cavity are arranged on the spray head body and used for guiding and spraying the liquid medicine to a position to be anesthetized, the atomizing spray head is provided with a selectively unfolded or folded plugging part, and an operation part is connected with the plugging part.

The technical scheme can also adopt the following technical measures:

the plugging part is of an umbrella-shaped structure and comprises a plugging wall, a fixed frame, a supporting rod and a movable sleeve; the blocking wall and the spray head body are integrally formed, and the blocking wall is a movable end arranged at the tail part of the spray head body; the fixed frame is of an annular structure, and the position between the fixed frame and the spray head body is relatively fixed; the supporting frames are arranged on the inner side of the plugging wall and are uniformly distributed, and the head ends of the supporting frames are respectively hinged with the fixing frame; the movable sleeve is sleeved outside the pipe body and connected with the movable sleeve and driven by the movable sleeve to move along the direction of the pipe body; the bracing piece sets up between movable sleeve and shutoff wall, bracing piece and support frame one-to-one, and the one end of bracing piece is articulated mutually with the support frame middle part that corresponds respectively, and the other end of bracing piece is articulated mutually with movable sleeve.

The fixed mount is fixed with the spray head body or the pipe body, and the fixed mount is coaxially arranged with the spray head body, the plugging wall and the movable sleeve.

The shower nozzle body, shutoff wall be the rubber material, parcel support frame, bracing piece and movable sleeve when shutoff wall folds.

The edge of the blocking wall is folded inwards and is of an arc surface structure.

The medicine storage chamber of the medicine injection device is made of transparent materials, and corresponding scales are arranged on the medicine storage chamber.

The pressurizing structure comprises a piston rod and a piston, the piston is tightly matched with the medicine storage chamber, the tail end of the medicine storage chamber is provided with a limiting bulge, and the piston rod drives the piston to move.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

in the upper respiratory tract surface anesthesia device for the fiber laryngoscope, the atomizing nozzle is provided with the plugging part which is selectively unfolded or folded, when the atomizing nozzle is inserted into the biopsy channel of the fiber laryngoscope along with the tube body, the plugging part is folded, so that the insertion operation is convenient, when the atomizing nozzle reaches the opening at the top end of the biopsy channel of the fiber laryngoscope, the plugging part is completely unfolded and is tightly attached to the biopsy channel, so that the atomizing nozzle and the fiber laryngoscope are mutually fixed, and the atomizing nozzle can synchronously act along with the fiber laryngoscope; meanwhile, the position of the atomizing nozzle in the biopsy channel can be calibrated and positioned in the unfolding process of the blocking component, so that the nozzle body is coaxial with the biopsy channel, the outgoing direction of the liquid medicine is consistent with the direction of the lens of the fiber laryngoscope, and the outgoing position of the liquid medicine is ensured to correspond to the observation position of the lens.

Drawings

FIG. 1 is a schematic view showing the overall construction of an upper airway surface anesthesia apparatus for use with a fiber laryngoscope according to the present invention;

FIG. 2 is a schematic structural view of an atomizer in an upper airway surface anesthesia apparatus for fiber laryngoscope according to the present invention when deployed;

FIG. 3 is a schematic view showing the construction of the atomizer of the upper airway surface anesthesia apparatus for fiber laryngoscope of the present invention when it is closed.

Detailed Description

The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.

As shown in figures 1 to 3, the upper respiratory tract surface anesthesia device for a fiber laryngoscope comprises a drug injection device 1 and an extension device 2, wherein the drug injection device comprises a drug storage chamber 3 and a pressurizing structure, the drug storage chamber stores drug liquid, the pressurizing structure pressurizes the interior of the drug storage chamber and realizes drug injection operation, the extension device comprises a tube body 5 and an atomizing nozzle 6, the tail end of the tube body is connected with the drug injection device, the head end of the tube body is provided with the atomizing nozzle, the atomizing nozzle comprises a nozzle body 7, the nozzle body is of a hollow structure, the nozzle body is internally provided with a cavity 8 communicated with the tube body, and the spray head body is provided with a plurality of liquid medicine outlets 9 communicated with the cavity to guide and spray the liquid medicine to the position to be anesthetized, the atomizing spray head is provided with a selectively opened or closed plugging part, an operation part is connected with the plugging part and drives the plugging part to unfold or fold through the operation part.

The plugging part is of an umbrella-shaped structure and comprises a plugging wall 10, a fixed frame 11, a supporting frame 12, a supporting rod 13 and a movable sleeve 14; the blocking wall and the spray head body are integrally formed, and the blocking wall is a movable end arranged at the tail part of the spray head body; the fixed frame is of an annular structure, and the position between the fixed frame and the spray head body is relatively fixed; the supporting frames are arranged on the inner side of the plugging wall and are uniformly distributed, and the head ends of the supporting frames are respectively hinged with the fixing frame; the movable sleeve is sleeved outside the pipe body and connected with the movable sleeve 15 and driven by the movable sleeve to move along the direction of the pipe body; the bracing piece sets up between movable sleeve and shutoff wall, bracing piece and support frame one-to-one, and the one end of bracing piece is articulated mutually with the support frame middle part that corresponds respectively, and the other end of bracing piece is articulated mutually with movable sleeve. In the biopsy passageway, can drive each bracing piece and rotate when promoting the movable sleeve pipe to drive the support frame and be the radial evenly opening of circumference, and then drive the shutoff wall and outwards expand, continue to impel the body forward in the biopsy passageway at the development in-process, thereby under the effect of the reaction force of biopsy passageway inner wall to the shutoff wall, make the relative biopsy passageway of atomizer coaxial centering gradually, when the biopsy passageway inner wall of the tight laminating fibre laryngoscope of shutoff wall, the direction of atomizer is unanimous basically with the camera lens direction of spacing laryngoscope.

The fixing frame is fixed with the spray head body or the pipe body, and the fixing frame is coaxially arranged with the spray head body, the plugging wall and the movable sleeve, so that the plugging part is enabled to be stressed evenly in the unfolding or folding process, and the operation is smoother.

The shower nozzle body, shutoff wall are the rubber material, parcel support frame, bracing piece and movable sleeve when the shutoff wall folds, and the rubber material can effectively cushion the contact atress between atomizer and fibre laryngoscope in use, and the shutoff wall of rubber separates metal material's support frame, bracing piece and movable sleeve and optic fibre, avoids causing the damage to the fibre laryngoscope. The support frame is a metal plate with elasticity.

The edge of the blocking wall is folded inwards and is of an arc surface structure, so that the protection of the fiber laryngoscope is further improved, and the damage is avoided.

The medicine storage chamber of the medicine injection device is made of transparent materials, corresponding scales are arranged on the medicine storage chamber, a user can see the residual medicine amount inside the medicine storage chamber, the injected medicine amount can be obtained through the scales, and therefore accurate control is conducted on the injected medicine amount.

The pressurization structure includes piston rod 4a and piston 4b, and the piston closely cooperates with the medicine storage chamber, and the tail end of medicine storage chamber sets up spacing protruding 4c, and spacing protruding relative medicine storage chamber's of limited piston displacement distance is prescribed a limit to, avoids the piston to deviate from in by the medicine storage chamber, and piston rod drive piston motion to carry out the accurate injection.

The invention is not described in detail in the prior art, and it is apparent to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides an upper respiratory tract surface anesthesia device for fibre laryngoscope, including injection device and extension fixture, the injection device is including storing up medicine room and pressurization structure, store up the liquid medicine in the medicine room, the pressurization structure pressurizes and realizes the injection operation to storing up medicine room inside, the extension fixture includes body and atomizer, the tail end of body is connected with the injection device, the head end of body sets up atomizer, atomizer includes the shower nozzle body, the shower nozzle body is hollow structure, this internal cavity that is linked together with the body that sets up of shower nozzle, and set up the liquid medicine export of a plurality of above-mentioned cavities of intercommunication on the shower nozzle body, guide and spray the liquid medicine to treating the anesthesia position, a serial communication port, the last shutoff part that sets up the selectivity and expand or fold that sets up of atomizer, be connected with the shutoff part and be equipped with operating means, expand or fold through operating means drive shutoff part.

2. An upper airway surface anaesthetic device for use in a fiber laryngoscope as claimed in claim 1 wherein: the plugging part is of an umbrella-shaped structure and comprises a plugging wall, a fixed frame, a supporting rod and a movable sleeve; the blocking wall and the spray head body are integrally formed, and the blocking wall is a movable end arranged at the tail part of the spray head body; the fixed frame is of an annular structure, and the position between the fixed frame and the spray head body is relatively fixed; the supporting frames are arranged on the inner side of the plugging wall and are uniformly distributed, and the head ends of the supporting frames are respectively hinged with the fixing frame; the movable sleeve is sleeved outside the pipe body and connected with the movable sleeve and driven by the movable sleeve to move along the direction of the pipe body; the bracing piece sets up between movable sleeve and shutoff wall, bracing piece and support frame one-to-one, and the one end of bracing piece is articulated mutually with the support frame middle part that corresponds respectively, and the other end of bracing piece is articulated mutually with movable sleeve.

3. An upper airway surface anaesthetic device for use in a fiber laryngoscope as claimed in claim 2 wherein: the fixed mount is fixed with the spray head body or the pipe body, and the fixed mount is coaxially arranged with the spray head body, the plugging wall and the movable sleeve.

4. An upper airway surface anaesthetic device for use in a fiber laryngoscope as claimed in claim 3 wherein: the nozzle body and the plugging wall are made of rubber materials, and the supporting frame, the supporting rod and the movable sleeve are wrapped when the plugging wall is folded.

5. An upper airway surface anaesthetic device for use in a fiber laryngoscope as claimed in claim 4 wherein: the edge of the plugging wall is folded inwards and has an arc surface structure.

6. An upper airway surface anaesthetic device for use in a fibre laryngoscope according to claim 1 or 4 wherein: the medicine storage chamber of the medicine injection device is made of transparent materials, and corresponding scales are arranged on the medicine storage chamber.

7. An upper airway surface anaesthetic device for use in a fiber laryngoscope as claimed in claim 6 wherein: the pressurizing structure comprises a piston rod and a piston, the piston is tightly matched with the medicine storage chamber, the tail end of the medicine storage chamber is provided with a limiting bulge, and the piston rod drives the piston to move.