具有可调节伸缩镜片的喉镜

Abstract

本实用新型为一种具有可调节伸缩镜片的喉镜，所述具有可调节伸缩镜片的喉镜包括镜片和手柄，所述镜片位于所述手柄的一端，所述手柄上设置有调节轮；所述手柄的内部设置有传动机构和驱动齿条，所述镜片连接于所述驱动齿条上，所述调节轮通过所述传动机构与所述驱动齿条传动相连，转动所述调节轮并通过所述传动机构带动所述驱动齿条沿其长度方向移动，以调节所述镜片伸出所述手柄的长度。本实用新型解决了可视喉镜的镜片长度调节不便的技术问题。

Claims

1. A laryngoscope having an adjustable telescopic lens, characterized in that, The laryngoscope with adjustable telescopic lenses includes: lens; A handle, wherein the lens is located at one end of the handle, and an adjustment wheel is provided on the handle; The handle is internally equipped with a transmission mechanism and a drive rack. The lens is connected to the drive rack. The adjustment wheel is connected to the drive rack through the transmission mechanism. Rotating the adjustment wheel and driving the drive rack to move along its length direction through the transmission mechanism can adjust the length of the lens extending out of the handle.

2. The laryngoscope with adjustable telescopic lens of claim 1, wherein, The transmission mechanism includes a first transmission shaft, a first bevel gear, and a transmission rod. The axis of the adjusting wheel is connected to one end of the first transmission shaft, and the first bevel gear is located at the other end of the first transmission shaft. The transmission rod is perpendicular to the first transmission shaft. One end of the transmission rod is provided with a second bevel gear. The teeth on the first bevel gear mesh with the teeth on the second bevel gear. By rotating the adjusting wheel, the first bevel gear and the second bevel gear are driven to rotate, thereby driving the transmission rod to rotate circumferentially.

3. The laryngoscope with adjustable telescopic lens of claim 2, wherein, The top of the drive rack has a first tooth along its length. The other end of the transmission rod is provided with a third bevel gear, and a fourth bevel gear is provided between the third bevel gear and the drive rack. The teeth on the third bevel gear mesh with the teeth on the fourth bevel gear, and the teeth on the fourth bevel gear mesh with the first teeth on the drive rack. The transmission rod drives the third bevel gear and the fourth bevel gear to rotate. The transmission mechanism also includes a spur gear coaxially arranged with the fourth bevel gear. The teeth on the spur gear mesh with the first tooth of the drive rack, and the drive rack is driven to move along its length direction by the spur gear.

4. The laryngoscope with adjustable telescopic lens of claim 3, wherein, The transmission mechanism includes a second transmission shaft perpendicular to the transmission rod, one end of the second transmission shaft is connected to the axis of the fourth bevel gear, and the other end of the second transmission shaft is rotatably connected to the inner wall of the handle; The spur gear is mounted on the second drive shaft.

5. The laryngoscope with adjustable telescopic lens of claim 2, wherein, The end face of the first bevel gear is provided with multiple locking grooves along its circumference; The handle has a locking rod inside that can move toward or away from the end face of the first bevel gear. A locking button is provided on the handle and is exposed on the outer wall of the handle. The locking button is connected to one end of the locking rod. Pressing the locking button moves the other end of the locking rod toward the end face of the first bevel gear until the other end of the locking rod is inserted into the corresponding locking groove to lock the adjusting wheel.

6. The laryngoscope with adjustable telescopic lens of claim 5, wherein, The handle is equipped with a first indicator light to show that the lens is in a locked state and a second indicator light to show that the lens is in an unlocked state.

7. The laryngoscope with adjustable telescopic lens of claim 1, wherein, The handle has an oxygen supply connection port, and the lens has an oxygen outlet port; The laryngoscope with an adjustable telescopic lens also includes an oxygen supply channel passing through the inside of the handle and the inside of the lens, with the two ends of the oxygen supply channel connected to the oxygen supply connection port and the oxygen outlet port, respectively.

8. The laryngoscope with adjustable telescopic lens of claim 1, wherein, The handle has a negative pressure connection port, and the lens has a suction port; The laryngoscope with an adjustable telescopic lens also includes a suction channel passing through the inside of the handle and the inside of the lens, with both ends of the suction channel connected to the negative pressure connection port and the suction port, respectively.

9. The laryngoscope with adjustable telescopic lens of claim 1, wherein, The laryngoscope with an adjustable telescopic lens also includes a camera and a display screen. The camera is disposed at the end of the lens, and the display screen is disposed on the handle. The signal output terminal of the camera is electrically connected to the signal receiving terminal of the display screen, and the display screen is used to display the image captured by the camera.

10. The laryngoscope with adjustable telescopic lens of claim 9, wherein, The end of the lens is also provided with a power lamp, which is used to provide illumination for the camera to capture images.

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