Snake bone adjusting device and handle thereof

Abstract

The utility model discloses a snake bone adjusting device and a handle thereof, and relates to the field of medical instruments, the snake bone adjusting device comprises an adjusting disc, an adjusting support connected with the adjusting disc and a locking device used for positioning the adjusting disc, and a snake bone traction rope bypasses the adjusting disc. According to the snake bone adjusting device, the adjusting disc rotates to drive the traction rope to adjust the state of the snake bone, meanwhile, the locking device in the scheme can easily achieve locking of the adjusting disc, manual continuous applying for maintaining is not needed, the operation difficulty is lowered, and safety is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical apparatus and instruments more specifically, relate to a snake bone adjusting device and handle thereof. BACKGROUND

[0002] Snake bone plays a crucial role in the medical field, especially in minimally invasive surgery. With its flexible and multi-degree-of-freedom structure, it enables endoscopes, radiofrequency knife heads, and other surgical instruments to move freely in narrow and curved channels, greatly improving the precision and effectiveness of surgery.

[0003] The control method of snake bone is mainly to adjust the position and shape of snake bone by controlling the tightness of the traction rope. This method has a relatively simple structure, but requires a delicate adjustment mechanism to ensure the precision and stability of the operation. The existing traction rope adjustment mechanism controls the tightness of the traction rope through a knob or handle. When it is necessary to bend the snake bone, the traction rope on one side is tightened through the adjustment device, and the snake bone will bend towards that side.

[0004] The above-mentioned adjustment device needs to be manually maintained after the traction rope is adjusted to the right position due to the elasticity of the traction rope. Thus, the personnel operation is easy to be tired, which affects the smoothness and safety of the surgical process. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a snake bone adjusting device to solve the technical problems existing in the background art.

[0006] The utility model technical scheme provides a snake bone adjusting device, which comprises an adjusting disc, an adjusting support connected with the adjusting disc, and a locking device for positioning the adjusting disc, and a snake bone traction rope is arranged around the adjusting disc.

[0007] The adjusting support comprises an adjusting rod and a mounting shaft connected with the adjusting rod, and the mounting shaft is arranged through the first bearing and the second bearing at both ends respectively; the locking device comprises a movable rod arranged through the mounting shaft, a locking disc located on one side of the movable rod, and a pressing disc located on the other side of the movable rod, the locking disc is arranged opposite to the second bearing, the locking disc is provided with a first locking surface, and the second bearing is provided with a second locking surface matched with the first locking surface.

[0008] In a preferred embodiment, the adjusting rod comprises a push rod and a connecting rod connected with the push rod, the mounting shaft is fixed with the connecting rod, the connecting rod is provided with a mounting groove, the pressing disc is inserted into the mounting groove and is movably connected with the mounting groove, and an elastic member is arranged between the pressing disc and the mounting groove.

[0009] In a preferred embodiment, a limiting groove is arranged on the pressing disc, and the elastic member is arranged in the limiting groove and in abutting contact with the connecting rod.

[0010] In a preferred embodiment, the elastic member comprises a reset spring, which is sleeved on the movable rod.

[0011] In a preferred embodiment, the locking device comprises a locking column arranged on one side of the adjusting disc, and a fixing sleeve in threaded connection with the locking column, and when the locking column is rotated, the locking column moves in the direction of approaching or moving away from the adjusting disc.

[0012] In a preferred embodiment, a gap is arranged on one side of the adjusting disc, a ring groove is arranged on the outer periphery of the adjusting disc, limiting blocks are arranged on the two sides of the gap, and through holes are arranged on the limiting blocks, and a traction rope is arranged around the ring groove and passes through the two limiting blocks in sequence.

[0013] In a preferred embodiment, the first locking surface and the second locking surface are rough surfaces, and the first locking surface and the second locking surface are locked when they are in abutting contact.

[0014] A handle comprises an upper shell, a lower shell, an insertion part fixing block arranged at the front end of the upper shell and the lower shell, and a snake bone adjusting device arranged in the space formed by the upper shell and the lower shell.

[0015] In a preferred embodiment, a circuit interface and a waterway interface are arranged on the upper shell.

[0016] The technical scheme of the utility model has the advantages of:

[0017] The snake bone adjusting device can adjust the state of the snake bone by rotating the adjusting disc, and the locking device can easily lock the adjusting disc, without the need for manual continuous application to maintain, thereby reducing the operation difficulty and improving the safety. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a position relationship diagram of the snake bone adjusting device and the handle of the utility model,

[0019] Figure 2 FIG. 3 is a position relationship diagram of the adjusting rod and part of the locking device of the utility model,

[0020] Figure 3 FIG. 5 is a position relationship diagram of the adjusting rod and the mounting shaft of the snake bone adjusting device of the utility model,

[0021] Figure 4 FIG. 7 is a structure schematic diagram of the locking device of the utility model,

[0022] Figure 5 It is the adjusting disc structure schematic view of the utility model,

[0023] Figure 6 It is the handle whole structure schematic view of the utility model.

[0024] Mark explanation: 1 adjusting disc, 11 let position gap, 12 let position ring groove, 13 limit block, 2 adjusting rod, 21 push rod, 22 connecting rod, 23 installation groove, 3 installation shaft, 4 locking device, 41 movable rod, 42 locking disc, 43 first locking surface, 44 first bearing, 45 second bearing, 46 second locking surface, 47 pressing disc, 48 limit recess, 49 reset spring, 5 locking column, 6 fixed sleeve, 7 handle, 71 upper casing, 72 lower casing, 73 insertion part fixed block, 74 circuit interface, 75 waterway interface. DETAILED DESCRIPTION

[0025] The utility model will be further explained in detail in combination with the drawings and specific embodiment. The embodiment of the utility model is given for the convenience of example and description, and is not exhaustive or limits the utility model to the disclosed form. Many modifications and changes are obvious to those skilled in the art. The embodiment is selected and described to better illustrate the principle and practical application of the utility model, and to enable those skilled in the art to understand the utility model so as to design various embodiments with various modifications suitable for specific purposes.

[0026] As Figures 1-5 The utility model technical scheme provides a snake bone adjusting device, it is used for controlling the traction rope of connecting snake bone, thereby adjusting the attitude of snake bone. The snake bone adjusting device includes adjusting disc 1, the adjusting support connected with the adjusting disc 1 and the locking device 4 for positioning the adjusting disc 1, and the snake bone traction rope is set up around the adjusting disc 1. When adjusting, by rotating the adjusting support, the adjusting disc 1 is rotated, and then drives the one side of the snake bone traction rope set up on the adjusting disc 1 to tighten, the other side is loosened, reaches the purpose of adjusting the attitude of snake bone, and the locking device 4 is used to lock the adjusting disc 1 after adjusting, realizes the position fixation of the adjusting disc 1.

[0027] The adjusting support includes adjusting rod 2 and the installation shaft 3 connected with the adjusting rod 2, and the installation shaft 3 both ends are set through first bearing 44 and second bearing 45 respectively. Pushing adjusting rod 2 can drive the adjusting disc 1 fixed with installation shaft 3 to rotate.

[0028] The locking device 4 comprises a movable rod 41 arranged through the mounting shaft 3, a locking disc 42 arranged on one side of the movable rod 41 and a pressing disc 47 arranged on the other side of the movable rod 41, the locking disc 42 is arranged opposite to the second bearing 45, the locking disc 42 is provided with a first locking surface 43, and the second bearing 45 is provided with a second locking surface 46 matched with the first locking surface 43.

[0029] The movable rod 41 can move in the mounting shaft 3, and the movable rod 41 can drive the locking disc 42 and the pressing disc 47 to move at the same time, the first locking surface 43 and the second locking surface 46 are in abutting contact when no adjustment is performed. The first locking surface 43 and the second locking surface 46 are rough surfaces, in the embodiment, the first locking surface 43 and the second locking surface 46 are both provided with sawtooth structures, and the first locking surface 43 and the second locking surface 46 are locked with each other when they are in abutting contact, so that the movable rod 41 cannot rotate, and other structures capable of achieving the locking function can be used. When it is needed to rotate the adjusting disc 1, the first locking surface 43 and the second locking surface 46 can be separated by pushing the pressing disc 47, so that the locking is released.

[0030] The adjusting rod 2 comprises a pushing rod 21 and a connecting rod 22 connected with the pushing rod 21, the mounting shaft 3 is fixed with the connecting rod 22, the connecting rod 22 is provided with a mounting groove 23, the pressing disc 47 is inserted into the mounting groove 23 and movably connected with the mounting groove 23, and an elastic member is arranged between the pressing disc 47 and the mounting groove 23.

[0031] In a natural state, the pressing disc 47 is inserted into the mounting groove 23, and the first locking surface 43 and the second locking surface 46 are in contact and locked. When it is needed to adjust, the pressing disc 47 is pushed to move in the direction of being inserted into the mounting groove 23, so that the first locking surface 43 and the second locking surface 46 can be separated, at this time, the adjusting rod 2 can be rotated, and then the adjusting disc 1 is driven to rotate. After the adjustment is completed, the pressing disc 47 is released, and the movable rod 41 is reset under the action of the elastic member, the locking disc 42 is driven to move in the direction of being close to the second bearing 45, so that the first locking surface 43 and the second locking surface 46 are in contact and locked.

[0032] The pressing disc 47 is provided with a limiting groove 48, and the elastic member is arranged in the limiting groove 48 and in abutting contact with the connecting rod 22. The elastic member comprises a reset spring 49, and the reset spring 49 is sleeved on the movable rod 41.

[0033] As another embodiment of the locking device 4 of the present application, the locking device 4 comprises a locking column 5 located on one side of the adjusting disc 1, and a fixing sleeve 6 threadedly connected with the locking column 5. When the locking column 5 is rotated, the locking column 5 moves in the direction of approaching or moving away from the adjusting disc 1. When the adjusting disc 1 is fixed, the fixing sleeve 6 is fixed and does not move. By rotating the locking column 5, the locking column 5 can move in the fixing sleeve 6 until it is pressed against the side of the adjusting disc 1, so that the fixing disc cannot be rotated. When the locking is released, the locking column 5 is rotated in the opposite direction.

[0034] The adjusting disc 1 is provided with a clearance gap 11 on one side, and a clearance ring groove 12 is arranged on the outer periphery of the adjusting disc 1. Limiting blocks 13 are arranged on both sides of the clearance gap 11, and the limiting blocks 13 are provided with through holes. The traction rope is wound around the clearance ring groove 12 and the two ends are sequentially threaded through the two limiting blocks 13. The two ends of the traction rope are threaded through the through holes in the two limiting blocks 13, and are limited by the clearance ring groove 12 thereon. When the adjusting disc 1 is rotated, one side of the traction rope is tightened while the other side is loosened.

[0035] The snake bone adjusting device of the present application can adjust the state of the snake bone by rotating the adjusting disc 1, and the locking device 4 of the present application can easily lock the adjusting disc 1 without the need for manual continuous application to maintain, reducing the operation difficulty and improving the safety.

[0036] As shown in Figure 1 and Figure 6 A handle 7 comprises an upper shell 71, a lower shell 72, and an insertion part fixing block 73 located at the front end of the upper shell 71 and the lower shell 72. The snake bone adjusting device is arranged in the space formed by the upper shell 71 and the lower shell 72. The upper shell 71 is provided with a circuit interface 74 and a waterway interface 75. The traction rope passes through the end of the handle 7, and the passing part is used for connecting the snake bone. The adjusting rod 2 is located outside the handle 7, which is convenient for operation.

[0037] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the scope of protection of the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as without special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A serpentine bone adjustment device, characterized by: The adjusting device comprises an adjusting disc, an adjusting support connected with the adjusting disc, and a locking device for positioning the adjusting disc, and a snake bone traction rope is arranged around the adjusting disc; The adjusting support comprises an adjusting rod and a mounting shaft connected with the adjusting rod, and the mounting shaft is arranged through the first bearing and the second bearing at two ends respectively; the locking device comprises a movable rod arranged through the mounting shaft, a locking disc located on one side of the movable rod, and a pressing disc located on the other side of the movable rod, the locking disc is arranged opposite to the second bearing, the locking disc is provided with a first locking surface, and the second bearing is provided with a second locking surface matched with the first locking surface.

2. A serpentine bone adjustment device according to claim 1, characterized in that: The adjusting rod comprises a knob rod and a connecting rod connected with the knob rod, the mounting shaft is fixed with the connecting rod, the connecting rod is provided with a mounting groove, the pressing disc is inserted into the mounting groove and is movably connected with the mounting groove, and an elastic member is arranged between the pressing disc and the mounting groove.

3. A serpentine bone adjustment device according to claim 2, characterized in that: The pressing disc is provided with a limiting groove, the elastic member is arranged in the limiting groove and is in abutting contact with the connecting rod.

4. A serpentine bone adjustment device according to claim 2, wherein: The elastic member comprises a reset spring, and the reset spring is sleeved on the movable rod.

5. A serpentine bone adjustment device according to claim 1, characterized in that: The locking device comprises a locking column located on one side of the adjusting disc, and a fixing sleeve threadedly connected with the locking column, when the locking column is rotated, the locking column moves along the direction of approaching or moving away from the adjusting disc.

6. A serpentine bone adjustment device according to claim 1, characterized in that: One side of the adjusting disc is provided with a gap, the outer periphery of the adjusting disc is provided with a gap ring groove, both sides of the gap are provided with limiting blocks, the limiting blocks are provided with through holes, and the traction rope ring is arranged around the gap ring groove and the two ends are sequentially arranged through the two limiting blocks.

7. A serpentine bone adjustment device as claimed in claim 1, wherein: The first locking surface and the second locking surface are rough surfaces, and the first locking surface and the second locking surface are locked when they are in abutting contact.

8. A handle characterized by: The adjusting device comprises an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an 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device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an 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device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting device, an adjusting 9. A handle according to claim 8, wherein: ​

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