Detachable rotary joint endoscope

Abstract

The joint endoscope comprises a mirror, a double-valve mirror sheath and a hole closing device, the double-valve mirror sheath is composed of a sheath tube, a water inlet valve and a front sealing ring, a plurality of water outlet holes and a plurality of water inlets are formed in the front end and the rear end of the sheath tube respectively, the water inlet valve is arranged on the sheath tube in a sleeved mode, and the water inlet valve is arranged on the front sealing ring in a sleeved mode. A rotating rod and a lock catch which are matched with the mirror are installed at the rear end of the sheathing canal. The utility model relates to the technical field of joint endoscopes. According to the detachable rotary joint endoscope, after the mirror is connected with the double-valve mirror sheath, the mirror can be driven to rotate through the rotating rod, so that the observation angle is more comprehensive, secondary injury to a wound of a patient is avoided while the observation angle is increased, the operation time is shortened, the operation efficiency is improved, and the infection risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to joint endoscope technical field, concretely is a detachable rotatable joint endoscope. BACKGROUND

[0002] In recent years, arthroscopic technique has been more and more widely used in clinical diagnosis and treatment, and the specific implementation form of arthroscopic technique is very useful in minimally invasive surgery. In the use process, the front end of the arthroscope is generally inserted into the human body through the joint wound, so as to collect and transmit the intraoperative image, and the arthroscope often has an image collection angle, usually 0 or 30 degree image collection angle, and the single image collection angle limits the visual range of the arthroscope to a small area.

[0003] However, if you want to obtain multi-angle and relatively complete lesion area image, or want to observe the area around the lesion, the user needs to rotate and swing the arthroscope around the patient's wound at the corresponding angle, but the large number of rotation and swing operations not only affect the efficiency of the operation, but also increase the stress frequency of the patient's wound, and the probability of secondary injury and infection of the patient's wound also rises, and since most of the endoscopes on the market are integrated, it is difficult to clean and disinfect thoroughly, which further increases the risk of infection, therefore, a detachable rotatable joint endoscope is proposed. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of the prior art, the utility model provides a detachable rotatable joint endoscope, which solves the problems of large number of rotation and swing operations, secondary injury and infection of the patient's wound, and most of the endoscopes are integrated, which is difficult to clean and disinfect thoroughly.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a detachable rotatable joint endoscope, comprising a mirror, a double-valve mirror sheath and a obturator, the double-valve mirror sheath is composed of a sheath tube, a water inlet valve and a front seal ring, a plurality of water outlets and a water inlet are formed in the front end and the rear end of the sheath tube respectively, the water inlet valve is sleeved on the sheath tube, a rotating rod and a lock catch matched with the mirror are installed at the rear end of the sheath tube, the mirror is composed of a lens, a mirror tube and a light source connector, the lens is arranged at the front end of the mirror tube, the light source connector is fixedly installed on one side of the rear end of the mirror tube, and the obturator comprises a obturator needle and a handle, and one end of the obturator needle is fixedly installed on one side of the handle.

[0006] Preferably, the front seal ring is threadedly connected to the surface of the sheath tube, the front and rear ends of the water inlet are provided with seal ring grooves, the surface in the seal ring grooves is provided with a seal ring, and the front end of the seal ring is provided with a front seal thread matched with the front seal ring.

[0007] Preferably, the upper end and the lower end of the water inlet valve are respectively provided with an upper valve and a lower valve.

[0008] Preferably, the front end of the handle is provided with a lock groove matched with the sheath and the lock catch.

[0009] Advantages

[0010] The utility model provides a detachable rotation's arthroscope. Compared with prior art has the following advantages:

[0011] (1) the utility model discloses through mirror and double -valve mirror sheath connection, can drive mirror through rotating lever and rotate, thereby the angle of observation is more comprehensive, increases the observation angle, and does not carry out secondary injury to the patient's incision, shortens the operation time, improves the operation efficiency, reduces the risk of infection.

[0012] (2) the utility model discloses through the lock catch of double -valve mirror sheath rear end and the buckle connection of mirror tube side 'L type' lock groove, mirror can simply separate mirror sheath, thereby can conveniently clean the stain, and the disassembly is more simple.

[0013] (3) the utility model discloses that the water inlet of sheath pipe both ends is equipped with sealing ring, and still be equipped with a circle sealing ring in the sheath pipe rear end inner wall of connecting mirror for protecting mirror, prevents the effusion of liquid. DRAWINGS

[0014] Figure 1 It is the structure diagram of the lens, mirror tube, light source connector, water outlet hole, sheath pipe, rotating lever, lock catch and upper valve of the utility model;

[0015] Figure 2 It is the structure diagram of the water outlet hole, sheath pipe, rotating lever, obturator needle and handle of the utility model;

[0016] Figure 3 It is the structure diagram of the water outlet hole, sheath pipe, front sealing thread, sealing ring, rotating lever and lock catch of the utility model;

[0017] Figure 4 It is the structure diagram of the lens, mirror tube, light source connector, mirror and lock groove of the utility model;

[0018] Figure 5 It is the structure diagram of the obturator, obturator needle, lock groove and handle of the utility model;

[0019] Figure 6 It is the structure diagram of the water inlet valve, upper valve and lower valve of the utility model;

[0020] Figure 7 It is the side view of the water inlet valve, upper valve and lower valve structure of the utility model.

[0021] In the figure: 1, mirror; 2, double valve mirror sheath; 3, obturator; 4, water inlet valve; 5, sealing ring; 6, front sealing ring; 7, lock groove; 11, lens; 12, mirror tube; 13, light source connector; 21, water outlet hole; 22, sheath tube; 23, front sealing thread; 24, water inlet; 25, rotating rod; 26, lock catch; 27, sealing ring groove; 31, obturator needle; 32, handle; 41, upper valve; 42, lower valve. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0023] Please refer to Figures 1-7 The utility model provides a kind of detachable rotary arthroscope, including mirror 1, double valve mirror sheath 2 and obturator 3, double valve mirror sheath 2 is by sheath tube 22, water inlet valve 4 and front sealing ring 6 are formed, the front end and rear end of sheath tube 22 are respectively provided with a plurality of water outlet holes 21 and water inlet 24, water inlet valve 4 is sleeved on sheath tube 22, the rear end of sheath tube 22 is equipped with rotating rod 25 and lock catch 26 compatible with mirror 1, mirror 1 is by lens 11, mirror tube 12 and light source connector 13 are formed, lens 11 is arranged at the front end of mirror tube 12, the rear end of mirror tube 12 is fixedly installed with the side of light source connector 13, obturator 3 includes obturator needle 31 and handle 32, one end of obturator needle 31 is fixedly installed with the side of handle 32.

[0024] It needs to be explained that, by rotating rod 25 drive lock catch 26 the sheath tube 22 where 26 is located is rotated, water inlet valve 4 is sleeved on sheath tube 22, but also can rotate, so water inlet valve 4 is relatively stationary, sheath tube 22 can rotate, and mirror 1 of the sheath tube 22 buckle connection can be rotated 360 °, increase the observation angle of mirror 1, rotating rod 25 is more convenient to operate mirror 1 rotation;

[0025] The front end of obturator needle 31 is round blunt shape, needle head is prevented to prick, lock groove 7 on handle 32, lock groove 7 is L-shaped.

[0026] Further, in order to facilitate the disassembly of double valve mirror sheath 2, front sealing ring 6 is threadedly connected to the surface of sheath tube 22, sealing ring groove 27 is formed in the front and rear ends of water inlet 24, sealing ring 5 is installed on the surface in sealing ring groove 27, front sealing thread 23 is formed in the front end of sealing ring 5, which is compatible with front sealing ring 6, and lock groove 7 is formed in the front end of handle 32, which is compatible with sheath tube 22 and lock catch 26.

[0027] Further, the upper end and the lower end of water inlet valve 4 are respectively provided with upper valve 41 and lower valve 42.

[0028] In use, the double-valve mirror sheath 2 is composed of the sheath tube 22, the water inlet valve 4 and the front sealing ring 6, the sheath tube 22 is provided with the water outlet hole 21 in front, the rear end of the sheath tube 22 is provided with the water inlet 24, the water inlet valve 4 is sleeved on the water inlet 24, the front end of the water inlet valve 4 is the front sealing ring 6, the front sealing ring 6 is threadedly connected on the sheath tube 22, the water inlet valve 4 is clamped on the sheath tube 22, the rear end of the sheath tube 22 is provided with the rotating rod 25 and the lock catch 26, the lock catch 26 is used for clamping and connecting the mirror 1 or the obturator 3, the mirror 1 can be driven to rotate through the rotating rod 25, the visual field is adjusted, the observation angle is increased, the wound of the patient is not secondarily injured, the lock catch 26 at the rear end of the double-valve mirror sheath 2 is clamped and connected with the "L-shaped" lock groove 7 on the side of the mirror tube 12, the mirror 1 can be simply separated from the mirror sheath and be cleaned of stains, the water inlet 24 of the sheath tube 22 is provided with the sealing ring 5 at both ends, the rear end inner wall of the sheath tube 22 connected with the mirror 1 is further provided with a ring of sealing rings 5 for protecting the mirror 1 and preventing liquid from leaking out.

Claims

1. A detachable and rotatable arthroscope comprising a scope (1), a double valve scope sheath (2) and a obturator (3), characterized in that: The double-valve mirror sheath (2) is composed of a sheath tube (22), a water inlet valve (4) and a front sealing ring (6), a plurality of water outlet holes (21) and a water inlet (24) are arranged on the front end and the rear end of the sheath tube (22) respectively, the water inlet valve (4) is sleeved on the sheath tube (22), a rotating rod (25) and a lock catch (26) which are matched with the mirror (1) are arranged on the rear end of the sheath tube (22), the mirror (1) is composed of a lens (11), a mirror tube (12) and a light source connector (13), the lens (11) is arranged on the front end of the mirror tube (12), the light source connector (13) is fixedly arranged on one side of the rear end of the mirror tube (12), the obturator (3) comprises an obturator needle (31) and a handle (32), one end of the obturator needle (31) is fixedly arranged on one side of the handle (32).

2. A detachable articulating arthroscope according to claim 1, wherein: The front sealing ring (6) is threadedly connected to the surface of the sheath tube (22), the front end and the rear end of the water inlet (24) are both provided with a sealing ring groove (27), a sealing ring (5) is arranged on the surface in the sealing ring groove (27), a front sealing thread (23) which is matched with the front sealing ring (6) is arranged on the front end of the sealing ring (5).

3. A detachable articulating arthroscope according to claim 1, wherein: The upper end and the lower end of the water inlet valve (4) are respectively provided with an upper valve (41) and a lower valve (42).

4. A detachable articulating arthroscope according to claim 1, wherein: The front end of the handle (32) is provided with a lock groove (7) which is matched with the sheath tube (22) and the lock catch (26).

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