Endoscope snake bone

Abstract

The utility model relates to the technical field of medical instruments, in particular to an endoscope snake bone which comprises a front end head body and a cylindrical snake bone body, the snake bone body is made of silica gel materials, and a plurality of traction holes for traction wires to penetrate through are formed in the edge of the end face of the snake bone body in an annular array mode. At least one cavity channel is formed in the axial direction of the snake bone body. The snake bone body is of an integrated structure made of silica gel, the structure is simple, and production difficulty and cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, relate to a endoscope snake bone. BACKGROUND

[0002] Cystoscope is a kind of endoscope, shape is similar with urethral sound, and it is composed of four parts of electric mirror sheath, examination endoscope, disposal and ureteral intubation endoscope and mirror core, and is attached with electric cautery, cutting device and biopsy forceps and other accessories.Currently, the bending part of cystoscope is usually nodal snake bone, and each nodal snake bone is connected in turn, so that the diagnostician can adjust the bending angle of the whole cystoscope by adjusting the position of different snake bones, to facilitate the operation of the diagnostician.However, the current snake bone structure is relatively complex, and usually needs to be made several snake bone units, and then adjacent snake bone units are hinged to form.

[0003] Based on the above problems, the utility model provides an endoscope snake bone. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects of prior art, and provides an endoscope snake bone, the snake bone body is made of one-piece structure of silica gel, simple structure, reduces production difficulty and cost.

[0005] In order to realize the utility model's purpose, the utility model adopts the technical scheme that:

[0006] The utility model discloses an endoscope snake bone, including the snake bone body of cylindrical, the snake bone body is made of silica gel material, and the end surface edge of the snake bone body is annular array and has a plurality of traction holes for the traction wire to pass through;The axial direction of the snake bone body is equipped with at least one cavity.

[0007] The surface of the snake bone body is equally spaced and provided with a plurality of groove groups along its length direction, and each groove group is composed of a plurality of grooves arranged along the circumferential direction of the snake bone body.

[0008] The groove is in diamond structure, and each groove group is composed of four grooves.

[0009] The axial direction of the snake bone body is equipped with two cavities, and the cavity includes instrument cavity and camera cavity, the instrument cavity is in circular structure, and the camera cavity is in one-third circular ring structure.

[0010] The end surface edge of the snake bone body is annular array and has four traction holes for the traction wire to pass through.

[0011] The distal end face of the snake bone body is provided with a fixing groove for fixing the sheet, the fixing groove is a circular structure, the inner diameter of the fixing groove is smaller than the outer diameter of the snake bone body; the edge of the sheet is provided with four fixing holes coaxial with the traction holes and with the same diameter.

[0012] The outer wall of the snake bone body is provided with a limiting ring at both ends, the inner diameter of the limiting ring is equal to the outer diameter of the snake bone body, and the outer diameter of the limiting ring is greater than the outer diameter of the snake bone body.

[0013] The beneficial effects of the utility model lie in:

[0014] (1) The utility model discloses a snake bone body is made of silica gel and is of an integrated structure, simple structure, and reduced production difficulty and cost.

[0015] (2) The utility model discloses a groove is arranged on the surface of the snake bone body, which can reduce the bending force of the snake bone body, so that the traction wire can drive the snake bone body to bend more easily. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic diagram of the utility model;

[0017] Fig. 2 It is a partial structure exploded schematic diagram in the utility model;

[0018] Fig. 3 It is a transverse sectional view of the utility model.

[0019] In the drawing: 1 snake bone body, 2 traction wire, 3 traction hole, 4 cavity, 5 groove, 6 sheet, 7 fixing groove, 8 limiting ring, 41 instrument channel, 42 camera channel, 61 fixing hole. DETAILED DESCRIPTION

[0020] The utility model is further described as follows:

[0021] Please refer to Figs. 1-3 ,

[0022] The utility model discloses a snake bone of endoscope, including the snake bone body 1 of cylindrical, the snake bone body 1 adopts silica gel material to make, the end face edge of the snake bone body 1 is annular array and has a plurality of traction hole 3 for the traction wire 2 to pass through, the axial direction of the snake bone body 1 is provided with at least one cavity 4, the snake bone body 1 of the case is made of silica gel and is of an integrated structure, simple structure, and reduced production difficulty and cost.

[0023] Further, the surface of the snake bone body 1 is provided with a plurality of groove groups at equal intervals along the length direction, each groove group is composed of a plurality of grooves 5 arranged at equal intervals along the circumference of the snake bone body 1, and the bending force of the snake bone body 1 can be reduced by arranging the grooves 5 on the surface of the snake bone body 1, so that the traction wire 2 can more easily drive the snake bone body 1 to bend.

[0024] Further, the groove 5 is in a rhombic structure, and each groove group is composed of four grooves 5, so that the bending force of the snake bone body 1 can be better reduced.

[0025] Further, the snake bone body 1 is provided with two cavities 4 in the axial direction, the cavities 4 include an instrument cavity 41 and a camera cavity 42, the instrument cavity 41 is in a circular structure, and the camera cavity 42 is in a one-third circular ring structure, so that the snake bone body 1 can be conveniently observed and operated after entering the bladder cavity.

[0026] Further, the end face edge of the snake bone body 1 is in a ring array and is provided with four traction holes 3 for the traction wire 2 to pass through, so that the traction wire 2 can stably drive the snake bone body 1 to bend.

[0027] Further, the distal end face of the snake bone body 1 is provided with a fixing groove 7 for fixing a sheet 6, the fixing groove 7 is in a circular structure and has an inner diameter smaller than the outer diameter of the snake bone body 1, and the edge of the sheet 6 is provided with four fixing holes 61 coaxial with and equal in diameter to the traction holes 3, the sheet 6 can be made of metal or high polymer material, and the traction wire 2 can be fixed on the sheet 6 by arranging the sheet 6.

[0028] Further, the outer wall of the snake bone body 1 is provided with a limiting ring 8 at both ends, the limiting ring 8 has an inner diameter equal to the outer diameter of the snake bone body 1 and an outer diameter greater than the outer diameter of the snake bone body 1, and the limiting ring 8 can be used for positioning and limiting when the snake bone body 1 is connected with a front end head and other components.

[0029] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, and any equivalent transformation or direct or indirect application in the related technical field according to the content of the present application is also included in the patent protection range of the present application.

Claims

1. An endoscopic snake bone, characterized by: The invention comprises a cylindrical snake bone body (1), wherein the snake bone body (1) is made of a silicone material, and the edge of the end face of the snake bone body (1) is provided with a plurality of traction holes (3) in a ring array for the traction wire (2) to pass through; the axial direction of the snake bone body (1) is provided with at least one cavity (4); the distal end face of the snake bone body (1) is provided with a fixing groove (7) for fixing a thin sheet (6), and the fixing groove (7) is a circular structure, and its inner diameter is smaller than the outer diameter of the snake bone body (1); the edge of the thin sheet (6) is provided with four fixing holes (61) coaxial with the traction holes (3) and of equal diameter.

2. The endoscopic snake bone according to claim 1, characterized in that: The surface of the snake bone body (1) is provided with a plurality of groove groups at equal intervals along its length direction, and each groove group is composed of a plurality of grooves (5) arranged at equal intervals along the circumference of the snake bone body (1).

3. The endoscopic snake bone according to claim 2, characterized in that: The grooves (5) are in a diamond-shaped structure, and each groove group consists of four grooves (5).

4. The endoscopic snake bone according to claim 1, characterized in that: Two cavities (4) are provided in the axial direction of the snake bone body (1), and the cavities (4) include an instrument cavity (41) and a camera cavity (42). The instrument cavity (41) is a circular structure, and the camera cavity (42) is a one-third circular ring structure.

5. The endoscopic snake bone according to claim 1, characterized in that: The edge of the end face of the snake bone body (1) is in a circular array and has four traction holes (3) for the traction wire (2) to pass through.

6. The endoscopic snake bone according to claim 1, characterized in that: Limiting rings (8) are provided at both ends of the outer wall of the serpentine body (1), the inner diameter of the limiting ring (8) is equal to the outer diameter of the serpentine body (1), and the outer diameter of the limiting ring (8) is larger than the outer diameter of the serpentine body (1).

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