Rotatable endoscope insertion tube mechanism

Abstract

The utility model provides a rotatable endoscope insertion tube mechanism which comprises an insertion tube and a handle, a rotating sleeve is arranged at the rear end of the insertion tube, the handle is fixedly connected to the side, away from the insertion tube, of the rotating sleeve, the insertion tube and the handle are connected together through the rotating sleeve, and an insertion tube supporting sleeve is arranged at the position, close to the front end, of the insertion tube. An insertion tube fixing sleeve is arranged at the rear end of the insertion tube, the rotating sleeve is arranged on the outer side of the insertion tube fixing sleeve, a base sleeve is further arranged on the outer side of the insertion tube fixing sleeve, a handle shell is arranged on the outer side of the base sleeve, and a displayer is arranged on the handle. Meanwhile, the probe arranged at the front end of the insertion tube can also rotate, and the probe can be controlled to rotate by nearly 360 degrees in the using process, so that multidirectional image information is obtained, especially when the view field direction of the probe is perpendicular to the insertion direction.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a rotatable endoscope insertion tube mechanism. Background Technology

[0002] The development of endoscopic technology has brought better treatment outcomes and less pain to patients. It is an important component of modern medical technology and industrial inspection. Endoscopy is a technique that uses an endoscope that can be inserted into the body cavity or the internal cavity of a workpiece to perform direct examination and treatment of patients or observe defects in workpieces. It uses a system of cold light source lenses, optical fibers, and wires to convert images inside the body into digital signals and display them on a screen. Endoscopic technology has advantages such as minimal invasiveness, rapid recovery, and high accuracy. Compared with traditional open surgery, it reduces patient trauma and pain, provides high-definition images, and helps doctors perform surgery more accurately. The endoscope transmits the acquired image information to a rear display through a thin insertion tube on the handle and a probe at the front end. It can observe areas that are not easily seen with the naked eye and has wide applications in medical and industrial inspection. However, in the use of existing endoscopes, the probe at the front end cannot be rotated, resulting in the inability to obtain comprehensive image information. Utility Model Content

[0003] The purpose of this invention is to provide a rotatable endoscope insertion tube mechanism to solve the problem that endoscopes cannot obtain omnidirectional image information.

[0004] The technical solution adopted by the above-mentioned utility model is as follows: a rotatable endoscope insertion tube mechanism, including an insertion tube and a handle. A rotating sleeve is provided at the rear end of the insertion tube. A handle is fixedly connected to the side of the rotating sleeve away from the insertion tube. The insertion tube and the handle are connected together through the rotating sleeve. An insertion tube support sleeve is provided near the front end of the insertion tube. An insertion tube fixing sleeve is provided at the rear end of the insertion tube. The rotating sleeve is provided outside the insertion tube fixing sleeve. A base sleeve is also provided outside the insertion tube fixing sleeve. A handle shell is provided outside the base sleeve. A display is provided on the handle.

[0005] Furthermore, the left end of the base sleeve is provided with a first thread, the positioning sleeve is provided with a corresponding threaded hole, and the base sleeve is fixed relative to the handle shell.

[0006] Furthermore, the rotating sleeve is provided with a corresponding second side plane, the left side of the insertion tube fixing sleeve is provided with a second thread, the outside of the insertion tube fixing sleeve is provided with a first side plane, and the rotating sleeve is provided with a locking nut.

[0007] Furthermore, a positioning sleeve is provided at the left end of the handle housing, a stop pin is provided on the left side of the positioning sleeve, and a C-shaped groove is provided on the right side of the rotating sleeve.

[0008] Furthermore, a locking screw is provided on the outer side of the handle housing, the locking screw passes through the through hole of the handle housing, and the locking screw passes through the corresponding first screw hole on the base sleeve.

[0009] Furthermore, the positioning sleeve is provided with a set screw hole, and a plurality of second screw holes are provided on the left side edge of the positioning sleeve, the plurality of second screw holes being arranged sequentially in the circumferential direction of the positioning sleeve.

[0010] Furthermore, a signal transmission wire is provided inside the insertion tube.

[0011] Furthermore, an O-ring is provided between the base sleeve and the insertion tube fixing sleeve.

[0012] Furthermore, the insertion tube support sleeve is made of a flexible material.

[0013] This invention utilizes a rotating sleeve located at the root of the insertion tube, allowing the tube to rotate around its axis. Simultaneously, the probe at the front end of the insertion tube also rotates. During use, the probe can be controlled to rotate 360°, thus obtaining multi-directional image information. This is especially convenient when the probe's field of view is perpendicular to the insertion, making it easier to observe the periphery of the cavity or the inner wall of tubular objects. The locking screw ensures that when tightened, its top contacts the insertion tube fixing sleeve, preventing rotation. Conversely, loosening the locking screw restores the insertion tube fixing sleeve to its rotatable state, thus improving the ease of use of this rotatable endoscope insertion tube mechanism. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the first embodiment of the present utility model;

[0015] Figure 2 This is a schematic diagram of the structure in the first embodiment of the present invention;

[0016] Figure 3 This is a schematic diagram showing the connection between the insertion tube and the handle in the first embodiment of this utility model;

[0017] Figure 4 This is a diagram showing the connection structure of the insertion tube and the handle in the first embodiment of this utility model;

[0018] Figure 5 This is a schematic diagram of the rotating sleeve in the first embodiment of this utility model.

[0019] Explanation of key component symbols:

[0020] Insertion tube 1 handle 2 Rotating sleeve 3 monitor 4 Signal transmission wires 5 Handle shell 6 base sleeve 7 Insertion tube fixing sleeve 8 Insertion tube support sleeve 9 Locking nut 10 positioning sleeve 11 stop pin 12 O-ring 13 Second screw hole 14 Threaded hole 15 set screw hole 16 First side plane 17 First thread 18 First screw hole 19 Second side plane 20 Second thread 21 Locking screws 22 Via 23 C-groove 24

[0021] The following detailed description, in conjunction with the accompanying drawings, will further illustrate this utility model. Detailed Implementation

[0022] To facilitate understanding of this utility model, a more comprehensive description will be given below with reference to the accompanying drawings. Several embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this utility model will be more thorough and complete.

[0023] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0025] See appendix Figure 1 To be continued Figure 5 The figure shows a specific embodiment of a rotatable endoscope insertion tube mechanism provided by the utility model.

[0026] See appendix Figure 1 A rotatable endoscope insertion tube mechanism includes an insertion tube 1 and a handle 2. A rotating sleeve 3 is provided at the rear end of the insertion tube 1. The handle 2 is fixedly connected to the side of the rotating sleeve 3 away from the insertion tube 1. The insertion tube 1 and the handle 2 are connected together through the rotating sleeve 3. An insertion tube support sleeve 9 is provided near the front end of the insertion tube 1. An insertion tube fixing sleeve 8 is provided at the rear end of the insertion tube 1. The rotating sleeve 3 is provided outside the insertion tube fixing sleeve 8. A base sleeve 7 is also provided outside the insertion tube fixing sleeve 8. A handle shell 6 is provided outside the base sleeve 7. A display 4 is provided on the handle 2.

[0027] See appendix Figure 3In the above embodiment, the left end of the base sleeve 7 is provided with a first thread 18, and the positioning sleeve 11 is provided with a corresponding threaded hole 15. The base sleeve 7 cannot rotate relative to the handle shell 6. The base sleeve 7 passes through the handle shell 6. When the positioning sleeve 11 is tightened, the base sleeve 7 and the handle shell will be completely fixed relative to each other. The insertion tube fixing sleeve 8 is placed inside the base sleeve 7 and can rotate.

[0028] See appendix Figure 3 and attached Figure 4 In the above embodiment, the rotating sleeve 3 is provided with a corresponding second side plane 20, the left side of the insertion tube fixing sleeve 8 is provided with a second thread 21, the outside of the insertion tube fixing sleeve 8 is provided with a first side plane 17, and the rotating sleeve 3 is provided with a locking nut 10. When the rotating sleeve 3 is rotated, due to the limiting effect of the side plane, the insertion tube fixing sleeve 8 and the insertion tube 1 will also rotate. The left side of the insertion tube fixing sleeve 8 is provided with a thread, and the locking nut 10 is screwed in to restrict the rotating sleeve 3 from moving to the left.

[0029] See appendix Figure 3 and attached Figure 5 In the above embodiment, a positioning sleeve 11 is provided at the left end of the handle shell 6, a stop pin 12 is provided on the left side of the positioning sleeve 11, and a C-shaped groove 24 is provided on the right side of the rotating sleeve 3. With the C-shaped groove 24 on the right side of the rotating sleeve 3 and the stop pin 12 on the left side of the positioning sleeve 11, the stop pin 12 is inserted into the C-shaped groove 24 of the rotating sleeve 3. Due to the blocking effect of the stop pin 12, the maximum rotation angle of the rotating sleeve 3 is close to 360 degrees.

[0030] See appendix Figure 2 and attached Figure 3 In the above embodiment, a locking screw 22 is provided on the outer side of the handle housing 6. The locking screw 22 passes through the through hole 23 of the handle housing 6 and through the corresponding first screw hole 19 on the base sleeve 7. Because the locking screw 22 is provided on the outer side of the handle housing 6, passes through the through hole 23 of the outer housing, and can pass through the corresponding first screw hole 19 on the base sleeve 7, when the locking screw 22 is tightened, its top will contact the insertion tube fixing sleeve 8, preventing it from rotating. Conversely, loosening the locking screw 22 restores the insertion tube fixing sleeve 8 to a rotatable state. Threaded holes 15 distributed circumferentially are used to fix the stop pin 12. By selecting different threaded holes 15, the starting angle of rotation of the insertion tube 1 can be determined.

[0031] See appendix Figure 3In the above embodiment, the positioning sleeve 11 is provided with a set screw hole 16, and a plurality of second screw holes 14 are provided on the left side edge of the positioning sleeve 11. The plurality of second screw holes 14 are arranged sequentially in the circumferential direction of the positioning sleeve 11. Because the positioning sleeve 11 is provided with a set screw hole 16, a set screw can be driven in after the positioning sleeve 11 is screwed in, so that it is more reliably fixed relative to the base sleeve 7.

[0032] See appendix Figure 1 In the above embodiment, the insertion tube 1 is provided with a signal transmission wire 4. The C-shaped groove 24 and the stop pin 12 are provided to limit the rotation angle of the insertion tube 1 to no more than 360 degrees. Since the insertion tube 1 is provided with a signal transmission wire 4, the angle limit of no more than 360 degrees protects the wire from excessive twisting and damage.

[0033] See appendix Figure 2 In the above embodiment, an O-ring 13 is provided between the base sleeve 7 and the insertion tube fixing sleeve 8. The O-ring 13 is provided between the base sleeve 7 and the insertion tube fixing sleeve 8 to play a damping role, making the rotation smoother.

[0034] See appendix Figure 2 and attached Figure 3 In the above embodiment, the insertion tube support sleeve 9 is made of flexible material, which provides support and protection for the root of the insertion tube 1.

[0035] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A rotatable endoscope insertion tube mechanism comprising an insertion tube (1) and a handle (2), characterized in that: The rear end of the insertion tube (1) is provided with a rotating sleeve (3), one side of the rotating sleeve (3) away from the insertion tube (1) is fixedly connected with a handle (2), the insertion tube (1) and the handle (2) are connected together through the rotating sleeve (3), the insertion tube (1) is provided with an insertion tube supporting sleeve (9) close to the front end position, the insertion tube (1) is provided with an insertion tube fixing sleeve (8) at the rear end position, the rotating sleeve (3) is arranged outside the insertion tube fixing sleeve (8), the insertion tube fixing sleeve (8) is further provided with a base sleeve (7), the base sleeve (7) is provided with a handle shell (6) outside, the handle (2) is provided with a display (4); The left end of the handle shell (6) is provided with a positioning sleeve (11), the left side of the positioning sleeve (11) is provided with a stop pin (12), the right side of the rotating sleeve (3) is provided with a C-shaped groove (24); The outer side of the handle shell (6) is provided with a locking screw (22), the locking screw (22) passes through the through hole (23) of the handle shell (6), the locking screw (22) passes through the corresponding first screw hole (19) on the base sleeve (7).

2. A rotatable endoscope insertion tube mechanism according to claim 1, wherein: The left end of the base sleeve (7) is provided with a first thread (18), the positioning sleeve (11) is provided with a corresponding threaded hole (15), the base sleeve (7) is fixed relative to the handle shell (6).

3. A rotatable endoscope insertion tube mechanism according to claim 2, wherein: The rotating sleeve (3) is provided with a corresponding second side plane (20), the left side of the insertion tube fixing sleeve (8) is provided with a second thread (21), the outside of the insertion tube fixing sleeve (8) is provided with a first side plane (17), the rotating sleeve (3) is provided with a locking female (10) inside.

4. A rotatable endoscope insertion tube mechanism according to claim 2, wherein: The positioning sleeve (11) is provided with a top screw hole (16), the left side edge of the positioning sleeve (11) is provided with a plurality of second screw holes (14), a plurality of the second screw holes (14) are arranged in the circumferential direction of the positioning sleeve (11) in turn.

5. A rotatable endoscope insertion tube mechanism according to claim 1, wherein: The inside of the insertion tube (1) is provided with a signal transmission lead (5).

6. A rotatable endoscope insertion tube mechanism according to claim 3, wherein: The base sleeve (7) and the insertion tube fixing sleeve (8) are provided with an O-shaped ring (13) therebetween.

7. A rotatable endoscope insertion tube mechanism according to claim 1, wherein: The insertion tube supporting sleeve (9) is made of flexible material.

Images