Anesthetic laryngoscope with replaceable laryngoscope blade

Abstract

An anaesthetic laryngoscope with a replaceable laryngoscope blade effectively solves the problem that the laryngoscope blade is not easy to replace and comprises a handle and the laryngoscope blade, a first supporting seat is arranged on the outer side of the handle, a second supporting seat is arranged on the inner side of the handle, a plurality of guide rods are installed between the first supporting seat and the second supporting seat, and the guide rods slide up and down in the handle. A limiting groove in the horizontal direction is formed in the first supporting seat, a base is connected in the limiting groove in a left-right sliding mode, a clamping block corresponding to the right end face of the base is connected in the first supporting seat in an up-down sliding mode, the upper end of the base is fixedly connected with the laryngoscope blade, a lead screw in the vertical direction is rotationally connected in the handle, and the lead screw is in threaded connection with the second supporting seat.

Description

Technical Field

[0001] This utility model belongs to the field of medical device technology, and in particular relates to an anesthesia laryngoscope with replaceable laryngoscope blades. Background Technology

[0002] Endotracheal intubation is a routine procedure in surgery and emergency care. The larynx is located deep within the body and has a complex physiological structure, making direct visualization impossible. Anesthesia laryngoscopes are essential instruments in otolaryngology departments for visualizing and examining lesions in the patient's throat. However, existing anesthesia laryngoscopes have several drawbacks. They are generally available in large, medium, and small sizes, with identical handle structures, differing only in the length of the laryngoscope blade. Therefore, the blade itself needs to be replaced to suit different patient types. However, the installation of existing laryngoscope blades is complex and inconvenient, impacting work efficiency. Utility Model Content

[0003] In view of the above situation and to overcome the defects of the prior art, the purpose of this utility model is to provide an anesthesia laryngoscope with replaceable laryngoscope blades, which effectively solves the problem that the laryngoscope blades are not easy to replace.

[0004] The technical solution to the technical problem is as follows: it includes a handle and a laryngoscope blade. A first support seat is provided on the outside of the handle, and a second support seat is provided on the inside of the handle. Multiple guide rods are installed between the first and second support seats. The guide rods slide up and down inside the handle. A horizontal limiting groove is provided inside the first support seat. A base is slidably connected to the limiting groove. A locking block corresponding to the right end face of the base is slidably connected to the first support seat. The upper end of the base is fixedly connected to the laryngoscope blade. A vertical lead screw is rotatably connected inside the handle. The lead screw is threadedly connected to the second support seat.

[0005] Preferably, the limiting groove is a T-shaped groove, with the left end of the limiting groove closed and the right end of the limiting groove open, so that the base can be inserted into the limiting groove from right to left.

[0006] Preferably, the cross-section of the card block is a right-angled triangle, the left end face of the card block is a vertical face, and the height of the card block increases sequentially from right to left.

[0007] Preferably, the first support base is provided with a sliding groove, the locking block slides up and down in the sliding groove, and a plurality of vertical springs are installed in the sliding groove. The top end of the spring is connected to the bottom end of the locking block, and the bottom end of the spring is connected to the first support base.

[0008] Preferably, the handle has guide rails fixed inside on the left and right sides of the lead screw, and the second support seat slides up and down along the guide rails.

[0009] Preferably, the lead screw is coaxially fixed with a knob located on the outside of the handle.

[0010] This invention has the following advantages over traditional equipment: 1) The handle and laryngoscope blade are assembled as one unit and can be disassembled for easy storage, replacement or maintenance when not in use. It is flexible in operation, low in cost, and economical and practical; 2) The height of the first support seat and the second support seat in the handle can be adjusted by adjusting the screw, thereby adjusting the extension and retraction height of the laryngoscope blade. It is suitable for laryngoscope examinations of different patients, which is convenient, quick and easy and improves safety. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the three-dimensional structure of this utility model;

[0012] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0013] Figure 3 This is a schematic diagram of the three-dimensional structure of the first support base in this utility model;

[0014] Figure 4 This is a schematic diagram of the cross-sectional view of the first support base in this utility model.

[0015] Reference numerals: 1. Handle; 2. Laryngoscope blade; 3. First support seat; 4. Second support seat; 5. Guide rod; 6. Limiting groove; 7. Base; 8. Locking block; 9. Lead screw; 10. Sliding groove; 11. Spring; 12. Guide rail; 13. Knob. Detailed Implementation

[0016] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0017] Depend on Figures 1 to 4 An anesthesia laryngoscope with replaceable laryngoscope blades is provided, including a handle 1 and a laryngoscope blade 2. A first support seat 3 is provided on the outer side of the handle 1, and a second support seat 4 is provided on the inner side of the handle 1. Multiple guide rods 5 are installed between the first support seat 3 and the second support seat 4. The guide rods 5 slide up and down in the handle 1. A horizontal limiting groove 6 is provided in the first support seat 3. A base 7 is slidably connected to the limiting groove 6. A locking block 8 corresponding to the right end face of the base 7 is slidably connected to the first support seat 3. The upper end of the base 7 is fixedly connected to the laryngoscope blade 2. A vertical lead screw 9 is rotatably connected in the handle 1. The lead screw 9 is threadedly connected to the second support seat 4.

[0018] The limiting groove 6 is a T-shaped groove. The left end of the limiting groove 6 is closed, and the right side of the limiting groove 6 is open, so that the base 7 can be inserted into the limiting groove 6 from right to left.

[0019] The cross-section of the card block 8 is a right-angled triangle, the left end face of the card block 8 is a vertical face, and the height of the card block 8 increases sequentially from right to left.

[0020] The first support base 3 is provided with a sliding groove 10, and the locking block 8 slides up and down in the sliding groove 10. Multiple vertical springs 11 are installed in the sliding groove 10. The top end of the spring 11 is connected to the bottom end of the locking block 8, and the bottom end of the spring 11 is connected to the first support base 3.

[0021] To ensure the stability of the second support base 4 sliding up and down inside the handle 1, the handle 1 is fixed with guide rails 12 located on the left and right sides of the lead screw 9, and the second support base 4 slides up and down along the guide rails 12.

[0022] To facilitate the rotation of the lead screw 9, a knob 13 located on the outside of the handle 1 is coaxially fixed to the lead screw 9.

[0023] In use, the base 7 of the laryngoscope blade 2 is inserted into the limiting groove 6 from right to left. The limiting groove 6 is a T-shaped groove to ensure the limiting of the base 7 in the vertical and horizontal directions. The height of the locking block 8 increases sequentially from right to left. As the base 7 moves from right to left within the limiting groove 6, it continuously presses the locking block 8 downwards until it is completely pressed into the sliding groove 10. The spring 11 is in a compressed state. When the base 7 moves to the leftmost end of the limiting groove 6, the left end of the limiting groove 6 is closed, the left end face of the base 7 is close to the first support 3, and the right end face of the base 7 is just completely disengaged from the locking block 8. Under the action of the spring 11, the locking block 8 moves upwards and resets within the sliding groove 10. The cross-section of the locking block 8 is a right-angled triangle. The left end face of the locking block 8... The vertical surface of the base allows the left end of the locking block 8 to lock onto the right end of the base 7, thus limiting the position of the base 7 in the up, down, forward, backward, left, and right directions. This design is simple to operate, provides all-around fixation, and offers good stability. Rotating the knob 13 causes the lead screw 9 to rotate coaxially, which in turn causes the second support seat 4 to slide up and down along the guide rail 12. The second support seat 4, via the guide rod 5, causes the first support seat 3 to move up and down, which in turn causes the laryngoscope blade 2 to move up and down. This effectively adjusts the extension and retraction height of the laryngoscope blade 2, making it suitable for laryngoscope examinations on different anesthetized patients and improving the safety of laryngoscope use. When the laryngoscope blade 2 needs to be replaced, the locking block 8 is moved downwards into the sliding groove 10, allowing the base 7 to slide out to the right from the limiting groove 6, thus enabling the replacement of the laryngoscope blade 2. This design is convenient and practical.

[0024] This embodiment does not impose any limitation on the shape, material, structure, etc. of this utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this utility model shall fall within the protection scope of this utility model.

Claims

1. An anesthesia laryngoscope with replaceable laryngoscope blades, comprising a handle (1) and laryngoscope blades (2), characterized in that, The handle (1) has a first support seat (3) on the outside and a second support seat (4) on the inside. Multiple guide rods (5) are installed between the first support seat (3) and the second support seat (4). The guide rods (5) slide up and down inside the handle (1). The first support seat (3) has a horizontal limiting groove (6). The limiting groove (6) is connected to the base (7) by sliding left and right. The first support seat (3) is connected to the card block (8) corresponding to the right end face of the base (7) by sliding up and down. The upper end of the base (7) is fixedly connected to the laryngoscope blade (2). The handle (1) is rotatably connected to the vertical screw (9). The screw (9) is threadedly connected to the second support seat (4).

2. The anesthesia laryngoscope with replaceable laryngoscope blades according to claim 1, characterized in that, The limiting groove (6) is a T-shaped groove. The left end of the limiting groove (6) is closed, and the right side of the limiting groove (6) is open, so that the base (7) can be inserted into the limiting groove (6) from right to left.

3. The anesthesia laryngoscope with replaceable laryngoscope blades according to claim 1, characterized in that, The cross-section of the card block (8) is a right triangle, the left end face of the card block (8) is a vertical face, and the height of the card block (8) increases from right to left.

4. An anesthesia laryngoscope with replaceable laryngoscope blades according to claim 1, characterized in that, The first support base (3) is provided with a sliding groove (10), and the locking block (8) slides up and down in the sliding groove (10). Multiple vertical springs (11) are installed in the sliding groove (10). The top of the spring (11) is connected to the bottom of the locking block (8), and the bottom of the spring (11) is connected to the first support base (3).

5. An anesthesia laryngoscope with replaceable laryngoscope blades according to claim 1, characterized in that, The handle (1) is fixed with guide rails (12) located on the left and right sides of the lead screw (9), and the second support (4) slides up and down along the guide rails (12).

6. An anesthesia laryngoscope with replaceable laryngoscope blades according to claim 1, characterized in that, The lead screw (9) is coaxially fixed with a knob (13) located outside the handle (1).

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