Arthroscope sheath

Abstract

The utility model discloses an arthroscope sheath, and relates to the technical field of medical instruments. The endoscopic sheath comprises an endoscopic sheath outer tube, an endoscopic sheath inner tube, an endoscopic sheath head and an endoscopic sheath upper end, the endoscopic sheath inner tube penetrates through the endoscopic sheath outer tube, the endoscopic sheath head is fixedly arranged at the other end of the endoscopic sheath inner tube, a connecting seat is fixedly arranged at one end of the endoscopic sheath outer tube, the endoscopic sheath upper end is detachably mounted on the connecting seat, a fixing assembly is arranged on the connecting seat, and the endoscopic sheath outer tube is fixedly connected with the endoscopic sheath inner tube. A dismounting assembly is arranged on the endoscope sheath inner tube; according to the utility model, through the cooperation of the fixing assembly and the dismounting assembly, the upper end of the endoscope sheath is separated from the annular groove, the upper end of the endoscope sheath is dismounted from the connecting seat, and meanwhile, the rubber ring is separated from the connecting groove, so that the inner tube of the endoscope sheath can be drawn out from the outer tube of the endoscope sheath, and the upper end of the endoscope sheath, the outer tube of the endoscope sheath and the inner tube of the endoscope sheath are separated; therefore, the arthroscope sheath can be quickly disassembled conveniently, medical staff can clean and disinfect the arthroscope sheath conveniently, and meanwhile the cleaning and disinfecting effect of the arthroscope sheath is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is arthroscope mirror sheath. BACKGROUND

[0002] Arthroscope is a kind of rod-shaped optical instrument of about 5mm in diameter for observing the internal structure of joint, and is an endoscope for diagnosing and treating joint diseases.A lens is installed at the end of a thin tube, and the structure inside the joint will be displayed on the monitor when the thin tube is inserted into the joint.Therefore, the structure inside the joint can be directly observed.Arthroscope is not only used for disease diagnosis, but also widely used for the treatment of joint diseases.

[0003] Arthroscope mirror sheath is used in cooperation with arthroscope, for puncturing tissue, providing a working channel for arthroscope to enter and exit, and providing a channel for liquid inflow.The sheath tube of arthroscope mirror sheath is mainly used to provide a safe channel for surgical instruments to protect surrounding tissues and blood vessels, reduce surgical damage and complications, and help doctors to more accurately position and operate during surgery, improve the success rate of surgery, and the use of sheath tube is related to various surgeries, including cardiovascular surgery, neurosurgery and some interventional therapy, etc.

[0004] However, the arthroscope mirror sheath in the prior art still has some defects:

[0005] Most of the arthroscope mirror sheaths in the prior art are one-piece, and the main components thereof cannot be individually detached, so that the arthroscope mirror sheath cannot be disassembled, which makes the cleaning and disinfection of the arthroscope mirror sheath more inconvenient and affects the cleaning and disinfection effect. UTILITY MODEL CONTENT

[0006] In order to solve the problem that the arthroscope mirror sheath cannot be disassembled and affects the cleaning and disinfection effect, the utility model aims to provide an arthroscope mirror sheath.

[0007] In order to solve the above technical problems, the utility model adopts the following technical scheme: an arthroscope mirror sheath, which comprises a mirror sheath outer tube, a mirror sheath inner tube, a mirror sheath head and a mirror sheath upper end head, the mirror sheath inner tube penetrates the mirror sheath outer tube, the mirror sheath head is fixedly arranged at the other end of the mirror sheath inner tube, one end of the mirror sheath outer tube is fixedly provided with a connecting seat, the mirror sheath upper end head is detachably installed on the connecting seat, the connecting seat is provided with a fixing assembly, and the mirror sheath inner tube is provided with a dismounting assembly.

[0008] The fixed assembly comprises an annular groove, which is arranged on the upper surface of the connecting base, one end of the upper end of the sheath is movably inserted into the annular groove, the side wall of the annular groove is fixedly provided with a plurality of Z-shaped elastic sheets arranged in an annular array, one end of the Z-shaped elastic sheet movably contacts the outer wall of one end of the upper end of the sheath, one end of each of the Z-shaped elastic sheets is fixedly provided with a guide plate, and the guide plate is arranged obliquely.

[0009] Preferably, one end of the inner tube of the sheath is provided with a plurality of overflow grooves arranged in an annular array, a liquid storage cavity is arranged between the outer tube and the inner tube of the sheath, the overflow grooves are in communication with the liquid storage cavity, one end of the outer tube of the sheath is fixedly provided with a discharge pipe, and the liquid storage cavity and the discharge pipe are in communication.

[0010] Preferably, the disassembling assembly comprises a threaded sleeve, the other end of the inner tube of the sheath is provided with a threaded groove, the threaded sleeve and the threaded groove are threadedly connected, one end of the threaded sleeve is fixedly provided with a rubber ring, the other end of the outer tube of the sheath is provided with a connecting groove, one end of the rubber ring is in interference fit with the inner wall of the connecting groove, the other end of the outer tube of the sheath is fixedly provided with a sealing ring, and the inner tube of the sheath penetrates through the sealing ring and movably contacts the inner wall of the sealing ring.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] In the utility model, the upper end of the sheath is separated from the annular groove through the cooperation of the fixed assembly and the disassembling assembly, the upper end of the sheath is removed from the connecting base, the rubber ring is separated from the connecting groove, the inner tube of the sheath is pulled out of the outer tube of the sheath, and the upper end of the sheath, the outer tube of the sheath and the inner tube of the sheath are separated, so that the arthroscope sheath is quickly disassembled, the arthroscope sheath is conveniently cleaned and disinfected, and the cleaning and disinfecting effect of the arthroscope sheath is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creating labor.

[0014] Figure 1 It is the whole structure schematic view of the arthroscope sheath of the utility model.

[0015] Figure 2 It is the sectional structure schematic view of the outer tube of the sheath and the connecting base of the utility model.

[0016] Figure 3This utility model Figure 2 Enlarged schematic diagram of part A in the diagram.

[0017] Figure 4 This utility model Figure 2 Enlarged schematic diagram of part B in the diagram.

[0018] Figure 5 This is a schematic diagram of the separation structure of the threaded sleeve and the inner tube of the mirror sheath of this utility model.

[0019] In the diagram: 1. Outer tube of the mirror sheath; 11. Inner tube of the mirror sheath; 12. Mirror sheath head; 13. Connecting seat; 14. Overflow groove; 15. Liquid storage chamber; 16. Discharge pipe; 17. Plug; 2. Upper end of the mirror sheath; 3. Fixing assembly; 31. Annular groove; 311. Sealing gasket; 32. Z-shaped elastic sheet; 33. Guide plate; 4. Assembly / disassembly assembly; 41. Threaded sleeve; 42. Threaded groove; 43. Rubber ring; 431. Connecting groove; 44. Sealing ring; 45. Rotating ring; 46. Anti-slip groove. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example: Figures 1-5 As shown, this utility model provides an arthroscopic sheath, which includes an outer tube 1, an inner tube 11, a sheath head 12, and an upper end 2. The inner tube 11 passes through the outer tube 1, and the sheath head 12 is fixedly disposed at the other end of the inner tube 11. A connecting seat 13 is fixedly disposed at one end of the outer tube 1, and the upper end 2 is detachably mounted on the connecting seat 13. A fixing component 3 is disposed on the connecting seat 13, and a disassembly component 4 is disposed on the inner tube 11. By setting the fixing component 3 and the disassembly component 4, the fixing component 3 can easily fix the upper end 2 of the sheath on the connecting seat 13, and the disassembly component 4 can easily remove the inner tube 11 inside the outer tube 1, thereby facilitating the cleaning and disinfection of the arthroscopic sheath.

[0022] The fixed assembly 3 comprises an annular groove 31 formed in the upper surface of the connecting seat 13, one end of the mirror sheath upper end head 2 is movably inserted into the annular groove 31, by arranging the annular groove 31, the connection between the mirror sheath upper end head 2 and the mirror sheath outer tube 1 is facilitated, the bottom wall of the annular groove 31 is fixedly provided with a sealing gasket 311, one end of the mirror sheath upper end head 2 movably contacts the upper surface of the sealing gasket 311, by arranging the sealing gasket 311, the sealing property between the mirror sheath upper end head 2 and the connecting seat 13 is improved, the side wall of the annular groove 31 is fixedly provided with a plurality of Z-shaped elastic sheets 32 arranged in a ring array, one end of the Z-shaped elastic sheet 32 movably contacts the outer wall of one end of the mirror sheath upper end head 2, by arranging the Z-shaped elastic sheet 32, the collapsibility of the Z-shaped elastic sheet 32 can clamp the mirror sheath upper end head 2, so as to facilitate the fixation of the mirror sheath upper end head 2 at the upper end of the mirror sheath outer tube 1, one end of each of the plurality of Z-shaped elastic sheets 32 is fixedly provided with a guide plate 33, the guide plate 33 is arranged obliquely, by arranging the guide plate 33, when the mirror sheath upper end head 2 is inserted into the annular groove 31, the end of the mirror sheath upper end head 2 contacts the inclined surface of the guide plate 33, the downward extrusion force can be absorbed by the Z-shaped elastic sheet 32 through the guide plate 33, when the mirror sheath upper end head 2 completely enters the inside of the annular groove 31, the Z-shaped elastic sheet 32 clamps the mirror sheath upper end head 2.

[0023] The mirror sheath inner tube 11 is provided with a plurality of overflow grooves 14 arranged in a ring array at one end, the mirror sheath outer tube 1 and the mirror sheath inner tube 11 are provided with a liquid storage cavity 15, the overflow grooves 14 are in communication with the liquid storage cavity 15, one end of the mirror sheath outer tube 1 is fixedly provided with a discharge pipe 16, the liquid storage cavity 15 and the discharge pipe 16 are in communication, by arranging the overflow grooves 14, the liquid storage cavity 15 and the discharge pipe 16, when the mirror sheath head 12 penetrates into the tissue, the cavity liquid in the tissue enters the liquid storage cavity 15 through the mirror sheath inner tube 11 and the overflow grooves 14, when the external suction equipment is connected with the discharge pipe 16, the external equipment can draw out the cavity liquid in the liquid storage cavity 15 through the discharge pipe 16, one end of the discharge pipe 16 is movably inserted with a plug 17, by arranging the plug 17, the liquid storage cavity 15 can be plugged, so as to avoid the entry of external dust.

[0024] The disassembling and assembling component 4 comprises a threaded sleeve 41, the other end of the inner tube 11 of the arthroscope sheath is provided with a threaded groove 42, the threaded sleeve 41 and the threaded groove 42 are threadedly connected, by arranging the threaded sleeve 41 and the threaded groove 42, when the threaded sleeve 41 is threadedly rotated on the threaded groove 42, the threaded sleeve 41 can be fixed on the inner tube 11 of the arthroscope sheath, one end of the threaded sleeve 41 is fixedly provided with a rubber ring 43, the other end of the outer tube 1 of the arthroscope sheath is provided with a connecting groove 431, one end of the rubber ring 43 is in interference fit with the inner wall of the connecting groove 431, the other end of the outer tube 1 of the arthroscope sheath is fixedly provided with a sealing ring 44, the inner tube 11 of the arthroscope sheath penetrates through the sealing ring 44 and is in movable contact with the inner wall of the sealing ring 44, by arranging the sealing ring 44 and the rubber ring 43, the sealing ring 44 can improve the sealing performance between the inner tube 11 of the arthroscope sheath and the outer tube 1 of the arthroscope sheath, so that the cavity liquid in the liquid storage cavity 15 is prevented from overflowing, when the threaded sleeve 41 is threadedly rotated upwards, the rubber ring 43 is synchronously lifted upwards, when the rubber ring 43 is lifted into the inside of the connecting groove 431, the inner tube 11 of the arthroscope sheath can be fixed in the outer tube 1 of the arthroscope sheath, one end of the threaded sleeve 41 is fixedly provided with a rotating ring 45, the outer wall of the rotating ring 45 is provided with an anti-skid groove 46, by arranging the rotating ring 45 and the anti-skid groove 46, the threaded sleeve 41 can be conveniently rotated by medical staff, so that the threaded sleeve 41 is fixed on the inner tube 11 of the arthroscope sheath or separated from the inner tube 11 of the arthroscope sheath.

[0025] Working principle: when the arthroscope sheath needs to be cleaned and disinfected, the medical staff first pulls the arthroscope sheath upper end head 2 upwards, so that the arthroscope sheath upper end head 2 is separated from the multiple Z-shaped elastic sheets 32, at this time, the arthroscope sheath upper end head 2 is separated from the annular groove 31 of the connecting seat 13;

[0026] Subsequently, the medical staff rotates the rotating ring 45 counterclockwise, the rotating ring 45 rotates the threaded sleeve 41, the threaded sleeve 41 is counterclockwise threadedly rotated on the threaded groove 42, until the rubber ring 43 is separated from the connecting groove 431, then the arthroscope sheath inner tube 11 is manually pulled out of the arthroscope sheath outer tube 1, at this time, the arthroscope sheath upper end head 2, the arthroscope sheath outer tube 1 and the arthroscope sheath inner tube 11 are in a separated state, so that the arthroscope sheath is quickly disassembled, and then the arthroscope sheath is conveniently cleaned and disinfected, and the cleaning and disinfecting effect of the arthroscope sheath is improved.

[0027] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technologies thereof, the present application also intends to include these modifications and variations.

Claims

1. An arthroscopic sheath, characterized in that The arthroscope sheath comprises an outer sheath tube (1), an inner sheath tube (11), a sheath head (12) and a sheath upper end (2), the inner sheath tube (11) penetrates through the outer sheath tube (1), the sheath head (12) is fixedly arranged at the other end of the inner sheath tube (11), one end of the outer sheath tube (1) is fixedly provided with a connecting seat (13), the sheath upper end (2) is detachably mounted on the connecting seat (13), and the connecting seat (13) is provided with a fixing assembly (3); the inner sheath tube (11) is provided with a dismounting assembly (4). The fixing assembly (3) comprises an annular groove (31) which is arranged on the upper surface of the connecting seat (13), one end of the sheath upper end (2) is movably inserted into the annular groove (31), the side wall of the annular groove (31) is fixedly provided with a plurality of Z-shaped elastic sheets (32) which are arranged in a ring array, one end of each Z-shaped elastic sheet (32) movably contacts the outer wall of one end of the sheath upper end (2), one end of each Z-shaped elastic sheet (32) is fixedly provided with a guide plate (33), and the guide plate (33) is arranged obliquely.

2. The arthroscopic sheath of claim 1, wherein, One end of the inner sheath tube (11) is provided with a plurality of overflow grooves (14) which are arranged in a ring array, a liquid storage cavity (15) is arranged between the outer sheath tube (1) and the inner sheath tube (11), the overflow grooves (14) are in communication with the liquid storage cavity (15), one end of the outer sheath tube (1) is fixedly provided with a discharge pipe (16), and the liquid storage cavity (15) and the discharge pipe (16) are in communication.

3. The arthroscopic sheath of claim 2, wherein, One end of the discharge pipe (16) is movably inserted with a plug (17).

4. The arthroscopic sheath of claim 1 wherein, The bottom wall of the annular groove (31) is fixedly provided with a sealing gasket (311), and one end of the sheath upper end (2) movably contacts the upper surface of the sealing gasket (311).

5. The arthroscopic sheath of claim 1 wherein, The dismounting assembly (4) comprises a threaded sleeve (41), the other end of the inner sheath tube (11) is provided with a threaded groove (42), the threaded sleeve (41) and the threaded groove (42) are threadedly connected, one end of the threaded sleeve (41) is fixedly provided with a rubber ring (43), the other end of the outer sheath tube (1) is provided with a connecting groove (431), one end of the rubber ring (43) is in interference fit with the inner wall of the connecting groove (431), the other end of the outer sheath tube (1) is fixedly provided with a sealing ring (44), and the inner sheath tube (11) penetrates through the sealing ring (44) and movably contacts the inner wall of the sealing ring (44).

6. The arthroscopic sheath of claim 5, wherein, One end of the threaded sleeve (41) is fixedly provided with a rotating ring (45).

7. The arthroscopic sheath of claim 6, wherein, The outer wall of the rotating ring (45) is provided with an anti-skid groove (46).

Images