ENDOSCOPE FOR MULTI-CHANNEL MINIMALLY INVASIVE CHANNEL

Abstract

An endoscope including a working channel and an accessory endoscope. The working channel includes a main channel, an accessory channel, and a handle. The main channel and the accessory channel are rigidly connected to the handle. The main channel and the accessory channel each include an inlet disposed on the handle. The accessory endoscope is disposed in the accessory channel. The accessory endoscope comprises an accessory cleaning channel and an accessory optical channel; and no instrument channel is disposed in the accessory endoscope.

Claims

1. A device, comprising: a working channel and an accessory endoscope, wherein the working channel comprises a main channel, an accessory channel, and a handle; the main channel and the accessory channel are rigidly connected to the handle; the main channel and the accessory channel each comprise an inlet disposed on the handle; the accessory endoscope is disposed in the accessory channel; the accessory endoscope comprises an accessory cleaning channel and an accessory optical channel; and no instrument channel is disposed in the accessory endoscope.

2. The device of claim 1, wherein a length of the main channel is greater than that of the accessory channel.

3. The device of claim 1, wherein the main channel and the accessory channel are arranged at an acute angle, and the main channel and the accessory channel are attached at their outlets and separated at their inlets.

4. The device of claim 1, wherein an endoscope view hole is disposed at one side of a main channel outlet, and located between the main channel outlet and the accessory channel outlet.

5. The device of claim 1, wherein the main channel, the accessory channel and the handle are of an integrated structure, and the main channel and the accessory channel are connected via a reinforcing rib.

6. The device of claim 1, wherein a main channel outlet communicates with the endoscope view hole.

7. The device of claim 1, wherein a main endoscope is disposed in the main channel, and the main endoscope comprises a main cleaning channel, a main optical channel and a main instrument channel.

8. The device of claim 1, wherein a surgical instrument is disposed in the main channel.

9. The device of claim 1, wherein a diameter of the main channel is greater than that of the accessory channel.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0021] FIG. 1 is a schematic diagram of an endoscope in accordance with one embodiment of the disclosure;

[0022] FIG. 2 is a sectional view of a main endoscope of an endoscope in accordance with one embodiment of the disclosure;

[0023] FIG. 3 is a sectional view of an accessory endoscope of an endoscope in accordance with one embodiment of the disclosure;

[0024] FIG. 4 is a sectional view of a working channel taken from line A-A in FIG. 1;

[0025] FIG. 5 is an enlarged drawing of a part B of FIG. 1 in accordance with Example 1;

[0026] FIG. 6 is an enlarged drawing of a part B of FIG. 1 in accordance with Example 2; and

[0027] FIG. 7 is a schematic diagram of an endoscope in Example 3.

[0028] In the drawings, the following reference numbers are used: 1: Working channel; 2: Accessory endoscope; 3: Main endoscope; 4: Surgical instrument; 11: Main channel; 12: Accessory channel; 13: Handle; 14: Main channel outlet; 15: Endoscope view hole; 16: Accessory channel outlet; 17: Reinforcing rib; 21: Accessory cleaning channel; 22: Accessory optical channel; 31: Main cleaning channel; 32: Main optical channel; 33: Main instrument channel.

DETAILED DESCRIPTION

[0029] To further illustrate, embodiments detailing an endoscope for multi-channel minimally invasive channel are described below. It should be noted that the following embodiments are intended to describe and not to limit the disclosure.

Example 1

[0030] As shown in FIGS. 1-5, provided is an endoscope for a multi-channel minimally invasive channel. The endoscope comprises a working channel 1, an accessory endoscope 2, and a main endoscope 3. The working channel 1 comprises a main channel 11, an accessory channel 12 and a handle 13 which are integrally provided; the main channel 11 and the accessory channel 12 are connected to the handle 13, and the main channel 11 and the accessory channel 12 each comprise an inlet disposed on the handle 13. One end of the main channel 11 away from the handle 13 is provided with a main channel outlet 14 and an endoscope view hole 15, and the accessory channel 12 is also provided with an accessory channel outlet 16. The endoscope view hole 15 is disposed at one side of the main channel outlet 14, and is located between the main channel outlet 14 and the accessory channel outlet 16. The main channel 11 and the accessory channel 12 are arranged at an acute angle, and are separated at their inlets and tightly attached at their outlets, that is, the accessory channel outlet 16 is closely attached to the main channel 11. The length of the main channel 11 is greater than that of the accessory channel 12.

[0031] The main channel 11 and the accessory channel 12 are also connected via a reinforcing rib 17.

[0032] The main endoscope 3 is of a traditional endoscope structure, and is provided with a main cleaning channel 31, a main optical channel 32, and a main instrument channel 33 therein. The accessory endoscope 2 comprises an accessory cleaning channel 21 and an accessory optical channel 22, and no instrument channel is provided inside the accessory endoscope 2. The main endoscope 3 is disposed in the main channel 11, and the accessory endoscope 2 is disposed in the accessory channel 12.

[0033] The working principle of the endoscope of the disclosure is as follows: during working, the main endoscope 3 and the accessory endoscope 2 are placed in the main channel 11 and the accessory channel 12 respectively, and this endoscope device is then used for a surgical operation. Both the main endoscope 3 and the accessory endoscope 2 have optical channels and can be switched for observation.

Example 2

[0034] As shown in FIG. 6, in this example, the endoscope view hole 15 and the main channel outlet 14 are integrally provided, which can increase range of motion of an instrument and facilitate observation of the instrument by the accessory endoscope 2. The other parts of this example are basically the same as that in Example 1.

Example 3

[0035] As shown in FIG. 7, in this example, a surgical instrument 4, rather than the main endoscope 3, is directly placed in the main channel 11. Therefore, a larger-sized instrument can be directly used, which increases the versatility in case of the channel diameter being inconvenient. The accessory endoscope 2 can also be used for cleaning and image observation. The other parts of this example are basically the same as that in Example 1.

[0036] It will be obvious to those skilled in the art that changes and modifications may be made, and therefore, the aim in the appended claims is to cover all such changes and modifications.