Endoscope lens flushing device

Abstract

The utility model discloses an endoscope lens flushing device which comprises a handle, an adjusting head and a catheter. Wherein the adjusting head is rotationally arranged in the handle, a medium inlet channel is formed in the handle, the first end of the catheter is connected to the adjusting head, the catheter is used for being connected with a medium injected from the medium inlet channel, and the second end of the catheter is used for stretching into an endoscope and extending to a lens. And the second end part of the guide pipe is provided with at least one spray hole for spraying the medium connected into the guide pipe to the lens. The endoscope lens flushing device can be inserted into an endoscope and used for flushing a lens, and can be taken out of the endoscope after flushing is finished, so that the lens can be prevented from being shielded, an observation space is reserved for the lens, and the influence on observation of the internal state of a human body is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of endoscope lens flushing device. BACKGROUND

[0002] At present, endoscope is a kind of medical instrument for inserting into human body to observe the internal state of human body and shoot relevant pictures, in the use process, the lens of endoscope is easily contaminated by foreign matter, thus the lens needs to be cleaned in time. The Chinese patent with the publication number CN208582379U discloses an endoscope provided with an integrated lens flushing device, wherein the inner spray pipe of the water spray head is integrated in the camera module, thus the lens can be flushed in time. However, since the water spray head and the inner spray pipe are fixedly arranged in the camera module, the water spray head and the inner spray pipe protrude outward and will shield the lens, thus affecting the observation of the internal state of human body. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the defects of prior art, provide an endoscope lens flushing device, which can be inserted into endoscope and flush the lens, can be taken out from endoscope after flushing, can avoid shielding the lens, leave observation space for the lens, and avoid affecting the observation of the internal state of human body.

[0004] To solve the above technical problem, the technical scheme of the utility model is as follows: an endoscope lens flushing device, comprising a handle, an adjusting head and a catheter.

[0005] The adjusting head is rotatably arranged in the handle.

[0006] The handle is provided with a medium inlet channel.

[0007] The first end of the catheter is connected to the adjusting head, and the catheter is used to access the medium injected from the medium inlet channel.

[0008] The second end of the catheter is used to extend into endoscope and extend to the lens, and the second end of the catheter is provided with at least one spray hole for spraying the medium accessed in the catheter towards the lens.

[0009] Further, the endoscope lens flushing device further comprises a protective tube sleeved on the outer side of the catheter, one end of the protective tube is connected to the handle, and the second end of the catheter is exposed from the protective tube.

[0010] Further, the catheter comprises a tube body and a tube head.

[0011] The first end of the tube body is connected to the adjusting head, and the tube body is used to access the medium injected from the medium inlet channel.

[0012] The pipe head is connected to the second end of the pipe body, and a transition channel communicating with the pipe body is provided in the pipe head. The spray hole is provided on the pipe head and communicates with the transition channel.

[0013] The protection tube is sleeved on the outer side of the tube body, and the tube head is exposed from the protection tube.

[0014] Furthermore, the spraying direction of the spray hole is from bottom to top and inclined outward.

[0015] Furthermore, the pipe head is connected to a first rotating body, the protective tube is connected to a second rotating body, and the first rotating body and the second rotating body are rotationally matched.

[0016] Furthermore, an inner cavity is provided in the handle, and the medium inlet channel is connected to the inner cavity;

[0017] At least a portion of the regulating head is rotatably disposed in the inner cavity, and an access space is provided in the regulating head, which is located in the inner cavity and is used to access the medium injected from the medium inlet channel;

[0018] The conduit is connected to the regulating head and passes through the access space. The conduit is provided with an access hole for accessing the medium in the access space.

[0019] Furthermore, an annular cavity is provided between the regulating head and the cavity wall of the inner cavity, the access space is communicated with the annular cavity, and the medium inlet channel is communicated with the annular cavity.

[0020] Furthermore, an upper sealing ring and a lower sealing ring are provided between the regulating head and the inner cavity, the upper sealing ring is provided above the annular cavity, and the lower sealing ring is provided below the annular cavity.

[0021] Furthermore, the regulating head includes an upper main body, a lower main body, a first connecting body and a second connecting body;

[0022] The upper end of the first connector and the upper end of the second connector are respectively connected to the lower end of the upper main body;

[0023] The lower end of the first connector and the lower end of the second connector are respectively connected to the upper end of the lower main body;

[0024] The upper body portion, the lower body portion, the first connector, and the second connector are all disposed in the inner cavity, the access space is disposed between the first connector and the second connector, and the annular cavity is disposed between the first connector and the inner cavity and between the second connector and the inner cavity;

[0025] The conduit passes through the lower main body, the access space and the upper main body, and the access hole on the conduit is located in the access space.

[0026] Furthermore, the upper end portion of the handle is provided with a card table portion;

[0027] The regulating head further includes a screw cap portion connected to the upper main body portion and abutting against the upper end surface of the clamping table portion;

[0028] The regulating head also includes a plurality of limit hooks arranged in sequence along the circumferential direction, the upper end of the limit hook is connected to the lower end of the screw cap part, and the lower end of the limit hook is provided with a hook body that protrudes radially inward and abuts against the lower end surface of the clamping platform part.

[0029] After adopting the above technical solution, when in use, the second end of the catheter is inserted into the clamp channel hole in the endoscope and the second end of the catheter is extended to the lens. Then, liquid is injected into the medium inlet channel. The liquid injected from the medium inlet channel will flow into the catheter and flow along the catheter to the nozzle. Then, the liquid is ejected from the nozzle and sprayed onto the lens, thereby achieving flushing of the lens. Then, gas is injected into the medium inlet channel. The gas will also flow into the catheter and flow along the catheter to the nozzle. Then, the gas is ejected from the nozzle and sprayed onto the lens, thereby drying the lens, avoiding water stains on the lens, and ensuring that the lens remains clear. Among them, rotating the adjustment head can drive the catheter to rotate, and then can drive the nozzle on the catheter to rotate, so that the spray direction of the nozzle is aligned with the lens. To be more specific, after the lens is flushed and dried, the catheter is removed from the clamp channel hole of the endoscope. Therefore, the endoscope lens flushing device of the embodiment of the present application can be inserted into the clamp channel hole in the endoscope and flush the lens. After flushing, it can also be removed from the endoscope, avoiding blocking the lens, freeing up observation space for the lens, and avoiding affecting the observation of the internal state of the human body. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic structural diagram of an endoscope lens flushing device according to the present invention;

[0031] Figure 2 This is a cross-sectional view of the endoscope lens flushing device of the present invention;

[0032] Figure 3 for Figure 2 Partial detail of point A in the middle;

[0033] Figure 4 for Figure 2 Partial detail of point B in the middle;

[0034] Figure 5This is a schematic structural diagram of the handle and protective tube of the present invention;

[0035] Figure 6 This is a schematic structural diagram of the regulating head and the conduit of the present invention;

[0036] Figure 7 It is a structural schematic diagram of the regulating head of the utility model. DETAILED DESCRIPTION

[0037] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments in conjunction with the accompanying drawings.

[0038] like Figures 1 to 7 As shown, an endoscope lens flushing device includes a handle 1, an adjustment head 2 and a catheter 3;

[0039] The adjusting head 2 is rotatably arranged in the handle 1;

[0040] The handle 1 is provided with a medium inlet channel 4;

[0041] The first end of the conduit 3 is connected to the regulating head 2 , and the conduit 3 is used to receive the medium injected from the medium inlet channel 4 ;

[0042] The second end of the catheter 3 is configured to extend into the endoscope and to the lens. The second end of the catheter 3 is provided with at least one spray hole 5 for spraying the medium received in the catheter 3 toward the lens. Specifically, during use, the second end of the catheter 3 is inserted into the clamping hole in the endoscope and extended to the lens. Liquid is then injected into the medium inlet channel 4. The liquid injected from the medium inlet channel 4 flows into the catheter 3 and along the catheter 3 to the spray hole 5. The liquid is then ejected from the spray hole 5 and sprayed onto the lens, thereby flushing the lens. Gas is then injected into the medium inlet channel 4. The gas also flows into the catheter 3 and along the catheter 3 to the spray hole 5. The gas is then ejected from the spray hole 5 and sprayed onto the lens, thereby drying the lens, preventing water stains on the lens, and ensuring a clear lens. Rotating the adjustment head 2 can drive the catheter 3 to rotate, thereby rotating the spray hole 5 on the catheter 3, thereby aligning the spray direction of the spray hole 5 with the lens. To be more specific, after the lens is flushed and dried, the catheter 3 is removed from the clamp hole of the endoscope. Therefore, the endoscope lens flushing device of the embodiment of the present application can be inserted into the clamp hole in the endoscope and flush the lens. After flushing, it can also be taken out from the endoscope, avoiding blocking the lens, freeing up observation space for the lens, and avoiding affecting the observation of the internal state of the human body.

[0043] like Figures 1 to 5 As shown, the endoscope lens flushing device may further include a protective tube 6 which is sleeved on the outside of the catheter 3, one end of the protective tube 6 being connected to the handle 1, and the second end of the catheter 3 being exposed from the protective tube 6; specifically, when the second end of the catheter 3 is inserted into the clamp channel hole in the endoscope, the protective tube 6 will also be inserted into the clamp channel, and the protective tube 6 is used to protect the catheter 3.

[0044] like Figure 1 、 2 As shown in , 4 and 6 , the catheter 3 may include a tube body 7 and a tube head 8;

[0045] The first end of the tube body 7 is connected to the regulating head 2 , and the tube body 7 is used to receive the medium injected from the medium inlet channel 4 ;

[0046] The pipe head 8 is connected to the second end of the pipe body 7. The pipe head 8 is provided with a transition channel 9 communicating with the pipe body 7. The spray hole 5 is provided on the pipe head 8 and communicates with the transition channel 9.

[0047] The protective tube 6 is sleeved on the outside of the tube body 7 , and the tube head 8 is exposed from the protective tube 6 ; specifically, the medium injected from the medium inlet channel 4 will flow into the tube body 7 , then flow into the transition channel 9 , and then be ejected from the spray hole 5 .

[0048] like Figure 4 As shown, the spraying direction of the spray hole 5 is from bottom to top and inclined outward; specifically, there are at least two spray holes 5 evenly distributed along the circumference. In this embodiment, there are three spray holes 5.

[0049] like Figure 4 As shown, the pipe head 8 is connected to a first rotating body 10 , and the protection tube 6 is connected to a second rotating body 11 , and the first rotating body 10 and the second rotating body 11 are rotationally matched.

[0050] Specifically, the lower end of the first rotating body 10 is connected to the pipe head 8, and the upper end of the first rotating body 10 is provided with a first step portion 12 protruding radially outward;

[0051] The upper end of the second rotating body 11 is connected to the protection tube 6, and the lower end of the second rotating body 11 is provided with a second step portion 13 protruding radially inward;

[0052] The first step portion 12 is rotatably disposed above the second step portion 13 and is configured to abut against an upper end surface of the second step portion 13 .

[0053] like Figures 1 to 7As shown, the handle 1 may be provided with an inner cavity 14, and the medium inlet channel 4 is connected to the inner cavity 14;

[0054] At least a portion of the regulating head 2 is rotatably disposed in the inner cavity 14 , and an access space 15 is provided in the regulating head 2 , which is located in the inner cavity 14 and is used to access the medium injected from the medium inlet channel 4 ;

[0055] The conduit 3 is connected to the regulating head 2 and passes through the access space 15. The conduit 3 is provided with an access hole 16 for accessing the medium in the access space 15. Specifically, the tube body 7 in the conduit 3 passes through the access space 15, and the access hole 16 is provided on the tube body 7.

[0056] like Figure 2 、 3 As shown in Figures 5, 6, and 7, an annular cavity 17 is provided between the regulating head 2 and the cavity wall of the inner cavity 14, the access space 15 is communicated with the annular cavity 17, and the medium inlet channel 4 is communicated with the annular cavity 17; specifically, the medium injected from the medium inlet channel 4 flows into the annular cavity 17 and into the access space 15, and then flows from the access hole 16 into the tube body 7 in the catheter 3.

[0057] like Figure 2 、 3 As shown in Figures 5, 6 and 7, an upper sealing ring 18 and a lower sealing ring 19 are provided between the regulating head 2 and the inner cavity 14. The upper sealing ring 18 is provided above the annular cavity 17, and the lower sealing ring 19 is provided below the annular cavity 17.

[0058] like Figure 2 、 3 As shown in Figures 5, 6 and 7, the regulating head 2 may include an upper main body 20, a lower main body 21, a first connecting body 22 and a second connecting body 23;

[0059] The upper end of the first connecting body 22 and the upper end of the second connecting body 23 are respectively connected to the lower end of the upper main body 20;

[0060] The lower end of the first connecting body 22 and the lower end of the second connecting body 23 are respectively connected to the upper end of the lower main body 21;

[0061] The upper body portion 20, the lower body portion 21, the first connector 22, and the second connector 23 are all disposed in the inner cavity 14. The access space 15 is disposed between the first connector 22 and the second connector 23. The annular cavity 17 is disposed between the first connector 22 and the inner cavity 14 and between the second connector 23 and the inner cavity 14.

[0062] The conduit 3 passes through the lower main body 21, the access space 15 and the upper main body 20, and the access hole 16 on the conduit 3 is located in the access space 15; in this embodiment, the upper sealing ring 18 is arranged between the upper main body 20 and the inner cavity 14, and the lower sealing ring 19 is arranged between the lower main body 21 and the inner cavity 14.

[0063] Specifically, a packaging hole is also provided at the upper end of the upper main body 20. The upper end of the tube body 7 in the conduit 3 passes through the upper main body 20 and extends into the packaging hole. A packaging glue 24 is provided in the packaging hole. The packaging glue 24 is used to fix the tube body 7 in the conduit 3 to the regulating head 2 and seal the upper port of the tube body 7.

[0064] like Figures 1 to 7 As shown, the upper end of the handle 1 is provided with a card table portion 25;

[0065] The regulating head 2 further includes a screw cap portion 26 connected to the upper main body portion 20 and abutting against the upper end surface of the clamping portion 25;

[0066] The adjusting head 2 also includes a plurality of limiting hooks 27 arranged in sequence along the circumferential direction, the upper end of the limiting hook 27 is connected to the lower end of the screw cap portion 26, and the lower end of the limiting hook 27 is provided with a hook body 28 that protrudes radially inward and abuts against the lower end surface of the clamping portion 25. Through the above mechanism, the adjusting head 2 can be rotatably connected to the handle 1.

[0067] In summary, when in use, the second end of the catheter 3 is inserted into the clamp hole in the endoscope and the second end of the catheter 3 is extended to the lens. Then, liquid is injected into the medium inlet channel 4. The liquid injected from the medium inlet channel 4 will flow into the catheter 3 and flow along the catheter 3 to the nozzle 5. Then, the liquid is ejected from the nozzle 5 and sprayed onto the lens, thereby achieving flushing of the lens. Then, gas is injected into the medium inlet channel 4. The gas will also flow into the catheter 3 and flow along the catheter 3 to the nozzle 5. Then, the gas is ejected from the nozzle 5 and sprayed onto the lens, thereby drying the lens, avoiding water stains on the lens, and ensuring that the lens remains clear. Among them, rotating the adjustment head 2 can drive the catheter 3 to rotate, and then can drive the nozzle 5 on the catheter 3 to rotate, so that the spray direction of the nozzle 5 is aligned with the lens. To be more specific, after the lens is flushed and dried, the catheter 3 is removed from the clamp hole of the endoscope. Therefore, the endoscope lens flushing device of the embodiment of the present application can be inserted into the clamp hole in the endoscope and flush the lens. After flushing, it can also be taken out from the endoscope, avoiding blocking the lens, freeing up observation space for the lens, and avoiding affecting the observation of the internal state of the human body.

[0068] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An endoscope lens flushing device, characterized in that: It comprises a handle (1), an adjusting head (2) and a catheter (3); The adjusting head (2) is rotatably arranged in the handle (1); The handle (1) is provided with a medium inlet channel (4); The first end of the conduit (3) is connected to the regulating head (2), and the conduit (3) is used to receive the medium injected from the medium inlet channel (4); The second end of the catheter (3) is used to extend into the endoscope and extend to the lens. The second end of the catheter (3) is provided with at least one spray hole (5) for spraying the medium connected to the catheter (3) toward the lens.

2. The endoscope lens flushing device according to claim 1, characterized in that: It also includes a protective tube (6) sleeved on the outside of the catheter (3), one end of the protective tube (6) is connected to the handle (1), and the second end of the catheter (3) is exposed from the protective tube (6).

3. The endoscope lens flushing device according to claim 2, characterized in that: The catheter (3) comprises a tube body (7) and a tube head (8); The first end of the tube body (7) is connected to the regulating head (2), and the tube body (7) is used to receive the medium injected from the medium inlet channel (4); The pipe head (8) is connected to the second end of the pipe body (7), a transition channel (9) communicating with the pipe body (7) is provided in the pipe head (8), and the spray hole (5) is provided on the pipe head (8) and communicates with the transition channel (9); The protective tube (6) is sleeved on the outside of the tube body (7), and the tube head (8) is exposed from the protective tube (6).

4. The endoscope lens flushing device according to claim 3, characterized in that: The spraying direction of the spray hole (5) is from bottom to top and tilted outward.

5. The endoscope lens flushing device according to claim 3, characterized in that: The pipe head (8) is connected to a first rotating body (10), the protective tube (6) is connected to a second rotating body (11), and the first rotating body (10) and the second rotating body (11) are rotationally matched.

6. The endoscope lens flushing device according to claim 1, characterized in that: An inner cavity (14) is provided in the handle (1), and the medium inlet channel (4) is in communication with the inner cavity (14); At least a portion of the regulating head (2) is rotatably disposed in the inner cavity (14), and the regulating head (2) is provided with an access space (15) located in the inner cavity (14) and used to access the medium injected from the medium inlet channel (4); The conduit (3) is connected to the regulating head (2) and passes through the access space (15). The conduit (3) is provided with an access hole (16) for accessing the medium in the access space (15).

7. The endoscope lens flushing device according to claim 6, characterized in that: An annular cavity (17) is provided between the regulating head (2) and the cavity wall of the inner cavity (14); the access space (15) is in communication with the annular cavity (17); and the medium inlet channel (4) is in communication with the annular cavity (17).

8. The endoscope lens flushing device according to claim 7, characterized in that: An upper sealing ring (18) and a lower sealing ring (19) are provided between the regulating head (2) and the inner cavity (14); the upper sealing ring (18) is provided above the annular cavity (17), and the lower sealing ring (19) is provided below the annular cavity (17).

9. The endoscope lens flushing device according to claim 7, characterized in that: The regulating head (2) comprises an upper main body (20), a lower main body (21), a first connecting body (22) and a second connecting body (23); The upper end of the first connecting body (22) and the upper end of the second connecting body (23) are respectively connected to the lower end of the upper main body (20); The lower end of the first connecting body (22) and the lower end of the second connecting body (23) are respectively connected to the upper end of the lower main body (21); The upper main body (20), the lower main body (21), the first connector (22) and the second connector (23) are all arranged in the inner cavity (14); the access space (15) is arranged between the first connector (22) and the second connector (23); and the annular cavity (17) is arranged between the first connector (22) and the inner cavity (14) and between the second connector (23) and the inner cavity (14); The conduit (3) passes through the lower main body (21), the access space (15) and the upper main body (20), and the access hole (16) on the conduit (3) is located in the access space (15).

10. The endoscope lens flushing device according to claim 9, characterized in that: The upper end portion of the handle (1) is provided with a clamping portion (25); The regulating head (2) further comprises a screw cap portion (26) connected to the upper main body portion (20) and abutting against the upper end surface of the clamping platform portion (25); The regulating head (2) further comprises a plurality of limiting hooks (27) arranged in sequence along the circumferential direction, the upper end of each limiting hook (27) being connected to the lower end of the screw cap portion (26), and the lower end of each limiting hook (27) being provided with a hook body (28) protruding radially inward and abutting against the lower end surface of the clamping platform portion (25).

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