CN114010137A

CN114010137A - Anti-fogging and anti-pollution endoscope

Info

Publication number: CN114010137A
Application number: CN202111295037.8A
Authority: CN
Inventors: 华贻军; 陈明远; 范育英; 夏乐; 韩媛; 邹雄
Original assignee: Sun Yat Sen University Cancer Center
Current assignee: Sun Yat Sen University Cancer Center
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-02-08
Anticipated expiration: 2041-11-03
Also published as: CN114010137B

Abstract

The invention relates to the technical field of medical instruments, in particular to an anti-fogging and anti-pollution endoscope which comprises a light guide fiber pipeline, wherein an endoscope lens is arranged at the front end of the light guide fiber pipeline, the rear end of the light guide fiber pipeline is respectively connected with an external light source access port and an endoscope observation port, suction pipes and spray pipes which are mutually symmetrical are arranged on two sides of the light guide fiber pipeline, the spray pipes are connected with a constant temperature box through guide pipes, cleaning liquid is contained in the constant temperature box, the suction pipes are connected with a waste water tank through the guide pipes, and openings facing the endoscope lens are arranged at the front ends of the suction pipes and the spray pipes. According to the invention, the suction pipe and the spray pipe which are symmetrical to each other are arranged on the two sides of the optical fiber pipeline, the spray pipe can spray cleaning fluid at the opening to eliminate fog or stains on the lens of the endoscope, and then the suction pipe sucks the cleaning fluid away through the opening, so that the interference on the operation process is reduced, the operation of frequently taking out is avoided, the time and the labor are saved, and the continuity of the operation is enhanced.

Description

Anti-fogging and anti-pollution endoscope

Technical Field

The invention relates to the technical field of medical instruments, in particular to an anti-fogging and anti-pollution endoscope.

Background

The invention of the endoscope makes a great contribution to the development of minimally invasive surgery, the minimally invasive surgery is more and more popular at present, especially relating to the operation of ear, nose and throat, the minimally invasive surgery assisted by the endoscope not only can achieve good operation treatment effect, but also can achieve small wound, has the advantages of no disfigurement, quick postoperative recovery and the like, and basically does not influence the normal work and life of patients. However, two troublesome problems can affect the endoscopic surgery, one is that after the endoscope enters the human body cavity, because the body temperature of the human body is maintained at about 37 ℃, the endoscope lens at room temperature is easy to fog, which interferes with the smooth operation, and the current clinical common solution is to wipe the lens by warm water or iodophor, but the method is continuous, needs to be frequently taken out for operation and wastes time; the second problem is that blood splashed by the operation easily pollutes the lens, needs to be frequently taken out and wiped, is time-consuming and labor-consuming, and is especially the case of the otorhinolaryngological operation. Frequent wiping, washing or warming leads to prolonged operation time, affects the consistency of the operation and also increases the anxiety of the operator.

Disclosure of Invention

The invention aims to provide an anti-fogging and anti-pollution endoscope which can prevent fogging of an endoscope lens and contamination of the endoscope lens in minimally invasive surgery, avoid prolongation of operation time and enhance the continuity of operation in the operation.

The invention provides an anti-fogging and anti-pollution endoscope which comprises a light-guide fiber pipeline, wherein an endoscope lens is arranged at the front end of the light-guide fiber pipeline, the rear end of the light-guide fiber pipeline is respectively connected with an external light source access port and an endoscope observation port, suction pipes and spray pipes which are symmetrical to each other are arranged on two sides of the light-guide fiber pipeline, the spray pipes are connected with a constant temperature box through guide pipes, cleaning liquid is contained in the constant temperature box, the suction pipes are connected with a waste water tank through the guide pipes, and openings facing the endoscope lens are arranged at the front ends of the suction pipes and the spray pipes.

Preferably, the cleaning solution is normal saline or pure water, and is maintained at 37 ℃.

Preferably, the endoscope lens is circular.

Preferably, the openings are arranged symmetrically to each other along a diameter of the endoscope lens.

Preferably, a pipe sleeve is sleeved outside the optical fiber pipeline, and the pipe sleeve is made of rubber and used for protecting the optical fiber pipeline.

Preferably, the lowest point of the opening is flush with the mirror surface of the endoscope lens.

Preferably, the width of the opening is 1-2mm and the height is 1 mm.

Preferably, a first pressure pump is arranged on the conduit connected with the spray pipe, and a second pressure pump is arranged on the conduit connected with the suction pipe.

Preferably, still include the control box, be equipped with controller, time delay switch and time relay in the control box, the controller time delay switch with first force pump electric connection in proper order, the controller time relay with second force pump electric connection in proper order.

Preferably, the controller is connected with a switch pedal for controlling the opening and closing of the delay switch and the time relay.

Preferably, the time relay is model DH48S-S of OMRON.

Has the advantages that:

according to the invention, the suction pipe and the spray pipe which are symmetrical to each other are arranged on the two sides of the optical fiber pipeline, the front ends of the suction pipe and the spray pipe are provided with the openings facing the endoscope lens, the spray pipe is connected with the constant temperature box through the guide pipe, the cleaning liquid is filled in the constant temperature box, the suction pipe is connected with the waste water box through the guide pipe, when the endoscope lens is fogged or polluted by the splashed liquid, the spray pipe can spray the cleaning liquid at the openings to eliminate the fog or stain on the endoscope lens, then the suction pipe sucks the cleaning liquid through the openings, the interference to the operation process is reduced, the frequent taking-out operation is avoided, the time and the labor are saved, the continuity of the operation is enhanced, and the anxiety of an operator is relieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of an endoscope body of the present invention;

FIG. 2 is an overall schematic view of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

fig. 4 is a schematic view showing the connection of parts according to the present invention.

Description of reference numerals: 1-optical fiber pipeline, 2-endoscope lens, 3-endoscope viewing port, 4-suction pipe, 5-spray pipe, 6-thermostat, 7-waste water tank, 8-opening, 9-pipe sleeve, 10-first pressure pump, 11-second pressure pump, 12-control box, 13-controller, 14-delay switch, 15-time relay, 16-switch pedal and 17-external light source access port.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

An anti-fogging and anti-pollution endoscope is shown in fig. 1-4 and comprises an optical fiber pipeline 1, wherein a pipe sleeve 9 is sleeved outside the optical fiber pipeline 1, and the pipe sleeve 9 is used for protecting the optical fiber pipeline 1. The front end of optical fiber pipeline 1 is equipped with endoscope camera lens 2, endoscope camera lens 2 is circular, the rear end of optical fiber pipeline 1 is connected with external light source incoming port 17 and endoscope viewing aperture 3 respectively, optical fiber pipeline 1 both sides are equipped with straw 4 and spray tube 5 of mutual symmetry, spray tube 5 has thermostated container 6 through pipe connection, contain 37 ℃ of normal saline in the thermostated container 6, straw 4 has waste water tank 7 through pipe connection, be equipped with first force pump 10 on the pipe of being connected with spray tube 5, be equipped with second force pump 11 on the pipe of being connected with straw 4, the front end of straw 4 and spray tube 5 is equipped with the opening 8 towards the endoscope camera lens, opening 8 sets up along the mutual symmetry of the diameter of endoscope camera lens 2, the minimum point of opening 8 flushes with the mirror surface of endoscope camera lens 2, the width of opening 8 is 2mm, the height is 1 mm. When the endoscope lens 2 is fogged or is polluted by splashed liquid, the spray pipe 5 can spray physiological saline at 37 ℃ at the opening 8 for eliminating fog or stains on the endoscope lens, then the suction pipe 4 sucks away the physiological saline through the opening 8 on the suction pipe, the interference of the operation process is reduced, the operation of frequently taking out the endoscope is avoided, time and labor are saved, the continuity of the operation is enhanced, and the anxiety of an operator is relieved. In addition, the hydraulic control system further comprises a control box 12, a controller 13, a delay switch 14 and a time relay 15 are arranged in the control box 12, the controller 13, the delay switch 14 and the first pressure pump 10 are electrically connected in sequence, the controller 13, the time relay 15 and the second pressure pump 11 are electrically connected in sequence, the controller 13 is connected with a switch pedal 16 used for controlling the delay switch 14 and the time relay 15 to be opened and closed, and the time relay 15 is of a DH48S-S model of OMRON. The time of the delay switch 14 is set to 1s, and the delay switch 14 can make the circuit be disconnected after working for 1 s; adjusting the working mode of the time relay 15, presetting time periods T1 and T2, time and working modes, setting T1 and T2 to be 1s, starting time delay at T1 after electrification, enabling the relay to be in an off-state, working the relay when T1 arrives, starting time delay at T2, enabling the relay to be in an off-state again when T2 arrives, and finishing single-time execution work of the time relay 15. The specific time interval can be adjusted according to actual conditions.

The working and using processes are as follows:

after the camera lens pollutes or the fog, the operator only needs the foot to step on switch footboard 16 and starts this device once, this device starts the back, spray tube 5 spouts the normal saline of thermostated container 6 to the mirror surface of endoscope camera lens 2 through the pipe from opening 8 of spray tube 5 under the effect of first force pump 10 and reaches the effect of washing, the water spray sets for 1 second, immediately, after spraying water 1 second, second force pump 11 begins to work, attract through second force pump 11 negative pressure, 8 departments of opening of straw 4 absorb through the negative pressure and eliminate the remaining water droplet of mirror surface, this process duration is 1 second, reach through two seconds so far and need not to shift out the endoscope, the effect of the clean mirror surface fast effectively. If the mirror surface is seriously polluted and the one-time cleaning effect is not satisfactory, the process can be continued for a plurality of times.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an anti-pollution endoscope of antifogging, its characterized in that, includes the optical fiber pipeline, the front end of optical fiber pipeline is equipped with the endoscope camera lens, the rear end of optical fiber pipeline is connected with external light source access port and endoscope viewing aperture respectively, optical fiber pipeline both sides are equipped with straw and the spray tube of mutual symmetry, the spray tube has the thermostated container through pipe connection, contain the washing liquid in the thermostated container, the straw has the waste water tank through pipe connection, the front end of straw and spray tube is equipped with the opening towards the endoscope camera lens.

2. The anti-fogging and anti-contamination endoscope according to claim 1, wherein the endoscope lens is circular.

3. The anti-fogging and anti-contamination endoscope according to claim 2, wherein the openings are arranged symmetrically to each other along a diameter of the endoscope lens.

4. The anti-fogging and anti-contamination endoscope according to claim 1, wherein a tube sleeve is sleeved outside the optical fiber tube.

5. The anti-fogging and anti-contamination endoscope according to claim 1, wherein the lowest point of the opening is flush with the mirror surface of the endoscope lens.

6. The anti-fogging and anti-contamination endoscope according to claim 5, wherein the opening has a width of 1-2mm and a height of 1 mm.

7. The anti-fogging and anti-contamination endoscope according to claim 1, wherein a first pressure pump is provided on the tube connected to the nozzle tube, and a second pressure pump is provided on the tube connected to the suction tube.

8. The anti-fogging and anti-contamination endoscope according to claim 7, further comprising a control box, wherein a controller, a time delay switch and a time relay are arranged in the control box, the controller, the time delay switch and the first pressure pump are electrically connected in sequence, and the controller, the time relay and the second pressure pump are electrically connected in sequence.

9. The endoscope of claim 8, wherein a switch pedal is connected to the controller for controlling the opening and closing of the delay switch and the time relay.