A ureteroscope

Abstract

The utility model relates to the field of adult urology technology, and in particular to a ureteroscope, including a sheath, a fixed shell fixed on the sheath, a light guide port, an eyepiece and two flushing ports fixed on the fixed shell, and a fixed rod provided on the sheath, one end of the fixed rod is inserted into the inside of the sheath and fixed with an adjustment rod, and the other end is arranged outside the sheath and fixed with a pull ring. When the utility model is in use, the pull ring is held to adjust the use position of the adjustment rod through the fixed rod, so that the movable adjustment rod can continuously drive the stones stuck in the sheath from the side, thereby adjusting the position of the stones stuck in the sheath, and even crushing the stones stuck in the sheath, so as to facilitate the discharge of the stones stuck in the sheath, and ensure the smooth use of the sheath of the ureteroscope, without the need to replace the ureteroscope, and thus will not increase the patient's surgical costs.

Description

Technical Field

[0001] The utility model relates to the technical field of adult urology, in particular to a ureteroscope. Background Art

[0002] Ureteroscopy is a slender instrument composed of a light-guiding fiber, a working cavity, and various working accessories for different purposes. Ureteroscopy is divided into flexible ureteroscope and rigid ureteroscope. Although flexible ureteroscope is flexible and has the advantage of less trauma, in actual use, the angle of use of flexible ureteroscope is difficult to control and accurate surgery cannot be performed. Rigid ureteroscope can avoid this problem. Although the rigid ureteroscope can accurately perform surgery, that is, it can remove kidney stones, the shape of the stones is often irregular during the removal process. When the stones pass through the sheath of the rigid ureteroscope, if the passing position of the stones is inappropriate, the stones are easily stuck in the sheath of the rigid ureteroscope, which will directly affect the subsequent removal of stones. In severe cases, the rigid ureteroscope must be replaced, resulting in an increase in the cost of surgery for patients. Utility Model Content

[0003] The utility model aims to provide a ureteroscope in order to solve the defect in the prior art that stones stuck in the sheath of the ureteroscope cannot be cleaned when the ureteroscope is in use.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A ureteroscope is designed, comprising a sheath, a fixing shell is fixed on the sheath, a light guide port, an eyepiece and two flushing ports are fixed on the fixing shell, a fixing rod is provided on the sheath, one end of the fixing rod is inserted into the sheath and fixed with an adjustment rod, and the other end is arranged outside the sheath and fixed with a pull ring.

[0006] Preferably, the adjusting rod is an arc-shaped structure, and the adjusting rod is arranged on one side of the extension line of the fixing rod.

[0007] Preferably, a sleeve is fixed on the sheath on one side of the fixed shell, and an anti-slip rod is fixed on the sleeve.

[0008] Preferably, a limiting mechanism is fixed on the sleeve.

[0009] Preferably, the limiting mechanism comprises a third fixing ring, the third fixing ring is sleeved on the fixing rod, and a connecting mechanism is fixed to the third fixing ring and the sleeve.

[0010] Preferably, a bearing is fixed inside the third fixing ring, a plurality of rollers are fixed on the inner side wall of the bearing, and the plurality of rollers are all in contact with the fixing rod.

[0011] Preferably, the connecting mechanism comprises a first fixing ring, the first fixing ring is fixed on the sleeve, a second fixing ring is threadedly sleeved on the first fixing ring, and two connecting rods are commonly fixed between the second fixing ring and the third fixing ring.

[0012] The utility model provides a ureteroscope, which has the beneficial effect that when the ureteroscope is in use, a pull ring is held to adjust the use position of the adjustment rod through the fixed rod, so that the movable adjustment rod can continuously drive the stones stuck in the sheath from the side, thereby adjusting the position of the stones stuck in the sheath, and even crushing the stones stuck in the sheath, so as to facilitate the discharge of the stones stuck in the sheath, thereby ensuring smooth use of the sheath of the ureteroscope, without the need to replace the ureteroscope, and thus not increasing the patient's surgical cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view of a ureteroscope proposed by the utility model;

[0014] Figure 2 This is a top view of a ureteroscope proposed by the utility model;

[0015] Figure 3 A ureteroscope provided by the utility model Figure 1 The enlarged view of point A in the middle;

[0016] Figure 4 A ureteroscope provided by the utility model Figure 1 The enlarged view of point B in the middle;

[0017] Figure 5 It is a right side view of a limiting mechanism of a ureteroscope proposed in the utility model.

[0018] In the figure: 1. sheath; 2. fixed shell; 3. light guide port; 4. eyepiece; 5. flushing port; 6. fixing rod; 7. adjustment rod; 8. pull ring; 9. sleeve; 10. anti-slip rod; 11. first fixing ring; 12. second fixing ring; 13. connecting rod; 14. third fixing ring; 15. bearing; 16. roller. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Example 1

[0021] Reference Figure 1-4, a ureteroscope, comprising a sheath 1, a fixed shell 2 is fixed on the sheath 1, a light guide port 3, an eyepiece 4 and two flushing ports 5 are fixed on the fixed shell 2, a fixed rod 6 is provided on the sheath 1, one end of the fixed rod 6 is inserted into the sheath 1 and fixed with an adjusting rod 7, and the other end is arranged outside the sheath 1 and fixed with a pull ring 8, when the pull ring 8 is held, the use position of the adjusting rod 7 in the sheath 1 can be controlled by the fixed rod 6, the adjusting rod 7 is an arc structure, and the adjusting rod 7 is arranged on one side of the extension line of the fixed rod 6, when the adjusting rod 7 moves inside the sheath 1, it moves along the edge of the inner wall of the sheath 1, so that when the adjusting rod 7 encounters a stone in the sheath 1, the adjusting rod 7 can contact the stone from the edge of the stone as much as possible, thereby reducing the distance that the adjusting rod 7 pushes the stone in the sheath 1 in the opposite direction;

[0022] A sleeve 9 is fixed on the sheath 1 at one side of the fixed shell 2, and an anti-slip rod 10 is fixed on the sleeve 9. The arrangement of the sleeve 9 and the anti-slip rod 10 facilitates the staff to operate the ureteroscope.

[0023] When the ureteroscope is in use, when stones are stuck in the sheath 1, that is, when the ureteroscope cannot be used normally due to the stuck stones, the pull ring 8 is held to insert the adjustment rod 7 into the sheath 1 through the fixed rod 6. When resistance is felt, the pull ring 8 is pulled back and forth, and the pull ring 8 is assisted to rotate to adjust the position of the adjustment rod 7, so that the movable adjustment rod 7 can continuously drive the stones stuck in the sheath 1 from the side to adjust the position of the stones stuck in the sheath 1, and even crush the stones stuck in the sheath 1 to facilitate the discharge of the stones stuck in the sheath 1, thereby ensuring the smooth use of the sheath 1 of the ureteroscope, without the need to replace the ureteroscope, and thus will not increase the patient's surgical costs.

[0024] Example 2

[0025] In Example 1, since the arc-shaped adjusting rod 7 is inserted into the sheath 1, the specific position of the adjusting rod 7 in the sheath 1 can only be controlled by the medical staff by hand, which makes it easy for the adjusting rod 7 to contact the inner wall of the sheath 1. Due to the friction between the sheath 1 and the adjusting rod 7, the medical staff will feel the illusion of resistance, which is not conducive to accurately letting the adjusting rod 7 find the stuck stone. Figure 1 , 2 , 4 and 5, as another preferred embodiment of the utility model, differs from embodiment 1 in that a limiting mechanism is fixed on the sleeve 9, and the limiting mechanism is used to limit the moving position of the adjusting rod 7 inserted into the sheath 1, so that the adjusting rod 7 will not rub against the inner wall of the sheath 1, thereby not affecting the feel of the medical staff when moving the adjusting rod 7.

[0026] The limiting mechanism includes a third fixing ring 14, which is mounted on the fixing rod 6. A bearing 15 is fixed inside the third fixing ring 14, and a plurality of rollers 16 are fixed on the inner wall of the bearing 15. The plurality of rollers 16 are all in contact with the fixing rod 6. The setting of the plurality of rollers 16 does not affect the movement of the fixing rod 6 in the third fixing ring 14, and can also limit the moving position of the adjusting rod 7 in the sheath 1. At the same time, the setting of the bearing 15 will not encounter large resistance when the adjusting rod 7 is rotated.

[0027] A connecting mechanism is fixed on the third fixing ring 14 and the sleeve 9, and the connecting mechanism includes a first fixing ring 11, the first fixing ring 11 is fixed on the sleeve 9, a second fixing ring 12 is threadedly mounted on the first fixing ring 11, and two connecting rods 13 are fixed between the second fixing ring 12 and the third fixing ring 14. The second fixing ring 12 can be removed from the first fixing ring 11 by utilizing the threaded engagement between the first fixing ring 11 and the second fixing ring 12, and at the same time, the pull ring 8 can be pulled to remove the adjusting rod 7 from the sheath 1, which will not affect the use of the ureteroscope.

[0028] When in use, after the adjusting rod 7 is inserted into the sheath 1, the second fixing ring 12 is screwed onto the first fixing ring 11, thereby limiting the position of the second fixing ring 12. At the same time, with the assistance of the two connecting rods 13, the position of the third fixing ring 14 is limited. The arrangement of multiple rollers 16 and bearings 15 is used to limit the path of the fixing rod 6 inserted into the sheath 1, but at the same time, it will not affect the linear movement and rotation of the fixing rod 6 and the adjusting rod 7, thereby avoiding direct contact between the adjusting rod 7 and the inner wall of the sheath 1.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A ureteroscope, comprising a sheath (1), a fixed shell (2) fixed on the sheath (1), a light guide port (3), an eyepiece (4) and two flushing ports (5) fixed on the fixed shell (2), characterized in that: The tube sheath (1) is provided with a fixing rod (6), one end of the fixing rod (6) is inserted into the tube sheath (1) and fixed with an adjusting rod (7), and the other end is arranged outside the tube sheath (1) and fixed with a pull ring (8), the adjusting rod (7) is an arc-shaped structure, and the adjusting rod (7) is arranged on one side of the extension line of the fixing rod (6), a sleeve (9) is fixed on the tube sheath (1) on one side of the fixing shell (2), and an anti-slip rod (10) is fixed on the sleeve (9).

2. The ureteroscope according to claim 1, characterized in that: A limiting mechanism is fixed on the sleeve (9).

3. The ureteroscope according to claim 2, characterized in that: The limiting mechanism comprises a third fixing ring (14), the third fixing ring (14) being sleeved on the fixing rod (6), and a connecting mechanism being fixed to the third fixing ring (14) and the sleeve (9).

4. The ureteroscope according to claim 3, characterized in that: A bearing (15) is fixed inside the third fixing ring (14), and a plurality of rollers (16) are fixed on the inner side wall of the bearing (15), and the plurality of rollers (16) are all in contact with the fixing rod (6).

5. The ureteroscope according to claim 3, characterized in that: The connecting mechanism comprises a first fixing ring (11), the first fixing ring (11) being fixed on the sleeve (9), a second fixing ring (12) being threadedly sleeved on the first fixing ring (11), and two connecting rods (13) being fixed between the second fixing ring (12) and the third fixing ring (14).

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