CN113499024A - Deflector, deflection system and lens holding system - Google Patents
Deflector, deflection system and lens holding system Download PDFInfo
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- CN113499024A CN113499024A CN202111052836.2A CN202111052836A CN113499024A CN 113499024 A CN113499024 A CN 113499024A CN 202111052836 A CN202111052836 A CN 202111052836A CN 113499024 A CN113499024 A CN 113499024A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
- A61B1/126—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements provided with means for cleaning in-use
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Abstract
The embodiment of the disclosure provides a deflector, a deflection system and a lens maintaining system. The deflector includes: a side wall; a bottom wall defining with said side wall a chamber housing a cavity mirror; the blocking part is arranged at one end of the bottom wall and is suitable for fixing the lens of the cavity mirror in the deflector; a gas channel; and a liquid channel. The deflection system includes: deflector, sheath pipe, capillary steel pipe, lock and tie and pyrocondensation pipe. The lens maintaining system comprises a deflection system, an air delivery system and an air delivery system. When the endoscope is used for endoscopic surgery, the deflector can deflect gas and liquid for lens cleaning to the direction of the endoscope lens, so that the endoscope lens cleaning can be completed more quickly and efficiently.
Description
Technical Field
The disclosure relates to the technical field of medical instruments, in particular to a deflector, a deflection system and a lens maintaining system.
Background
At present, endoscopic surgery is a common and rapid surgical method as a representative of minimally invasive surgery; typically, when performing laparoscopic surgery, the lens of the scope is susceptible to contamination and fogging within the patient. In the prior art, the operation time for cleaning and demisting the lens in the operation is long, the water consumption is large, and the lens cleaning cannot be completed quickly and efficiently.
Therefore, a new deflector, deflection system and lens maintenance system are needed.
Disclosure of Invention
In order to solve the problems in the prior art, embodiments of the present disclosure provide a deflector, a deflection system, and a lens maintenance system, which can quickly and efficiently complete lens cleaning and defogging during an endoscopic surgery.
To solve the above technical problem, an embodiment of the present disclosure provides a deflector, including: a side wall; a bottom wall defining with said side wall a chamber housing a cavity mirror; the blocking part is arranged at one end of the bottom wall and is suitable for fixing the lens of the cavity mirror in the deflector; a gas channel including a first gas channel portion and a second gas channel portion, the first gas channel portion communicating with the second gas channel portion, the first gas channel portion extending through the bottom wall to the blocking portion, the second gas channel portion deflecting from the blocking portion toward the lens of the cavity mirror and toward the center of the chamber, an air outlet hole being formed in a side surface of the blocking portion; and the liquid channel comprises a first liquid channel part and a second liquid channel part, the first liquid channel part is communicated with the second liquid channel part, the first liquid channel part passes through the bottom wall and extends to the blocking part, the second liquid channel part deflects from the blocking part towards the lens of the cavity mirror, and a liquid outlet hole is formed in the side surface of the blocking part.
Optionally, the axial angle between the axis of the second gas passage portion and the axial direction of the chamber is 50 ° to 60 °, and the radial angle between the axis of the second gas passage portion and the radial direction of the chamber is 65 ° to 75 °.
Optionally, the axis of the second liquid passage portion is angled from 50 ° to 60 ° axially of the chamber.
Optionally, the deflector comprises at least two of said gas channels and one of said liquid channels.
Optionally, two of the gas channels are symmetrically arranged, the liquid channel being located between the two gas channels.
Optionally, the cross-sectional area of the gas outlet is smaller than the cross-sectional area of the second gas channel portion.
Optionally, the cross-sectional area of the exit aperture is smaller than the cross-sectional area of the second liquid channel portion.
Optionally, the liquid outlet hole is a kidney-shaped hole.
Optionally, the method further comprises: and the opening is positioned on the bottom wall and is suitable for enabling the water flowing back after the lens is washed to flow out of the opening.
Optionally, the blocking part and the lens of the cavity mirror form a special-shaped step, and the special-shaped step is suitable for preventing water accumulation in front of the lens of the cavity mirror.
Optionally, the deflector has an outer diameter of no more than 12.8mm and an inner diameter of no less than 10 mm.
Optionally, the deflector is made of a white light-transmitting material, and the side surface of the blocking portion is a matte surface.
The embodiments of the present disclosure also provide a deflection system, including: a deflector adapted to deflect incoming liquid and gas; the sheath tube is suitable for protecting the endoscope; a capillary steel tube adapted to transport the input liquid and gas; a binder adapted to ensure the relative orientation of the scope and the deflector; a heat shrink tube adapted to protect the capillary steel tube; wherein the deflector, the sheath tube, the capillary steel tube, the binder and the heat shrink tube are bonded by glue.
The embodiment of the present disclosure further provides a lens maintaining system, including: a deflection system adapted to deflect gas and liquid for lens cleaning at the lens, respectively; the gas transmission system comprises a negative pressure ball, one end of the negative pressure ball is connected with the deflection system, and the other end of the negative pressure ball is connected with the pneumoperitoneum machine and is suitable for providing gas for cleaning the lens; and the infusion system is suitable for providing liquid for lens cleaning.
Compared with the prior art, the technical scheme of the embodiment of the disclosure has the following beneficial effects:
the deflector deflects the cleaning gas and the cleaning liquid transported in the gas channel and the liquid channel to the direction of the lens of the endoscope, and pressurizes the gas and the liquid used for cleaning at the gas outlet and the liquid outlet, so that the lens can be rapidly and effectively demisted and decontaminated.
According to the deflection system disclosed by the embodiment of the disclosure, the deflector is connected to one side of the sheath tube, so that in the process of endoscopic surgery, when stains such as mist, blood stains, tissue fragments and the like are covered on the surface of the endoscope lens, the position of the endoscope in the body can be prevented from moving, and gas and liquid used for cleaning are directly deflected to the endoscope lens through the deflector to clean the endoscope lens.
The lens maintaining system of the embodiment of the disclosure connects the deflection system with the gas transmission system and the liquid transmission system, so that the gas transmission system and the liquid transmission system can continuously provide cleaning gas and cleaning liquid for the endoscope lens in the process of the endoscope operation, and the endoscope lens can be cleaned quickly and efficiently.
Drawings
Other features and advantages of the present invention will be better understood by the following detailed description of alternative embodiments, taken in conjunction with the accompanying drawings, in which like characters represent the same or similar parts, and in which:
fig. 1 is a schematic perspective view of a deflector according to an embodiment of the present disclosure;
FIG. 2 is a schematic side view of a deflector according to an embodiment of the present disclosure;
FIG. 3 is a schematic partial structural view of a deflector according to an embodiment of the present disclosure;
FIGS. 4a and 4b are schematic diagrams of the cooperation of the deflector and the cavity mirror of the disclosed embodiment;
FIG. 5 is a schematic structural diagram of a deflection system according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a lens holding system according to an embodiment of the disclosure.
Detailed Description
The embodiment of the disclosure provides a deflector, a deflection system and a lens maintaining system, which are used in an endoscopic surgery process, and can quickly and efficiently complete lens cleaning and defogging during the surgery under the condition of not changing the relative position of an endoscope.
In order to make the objects, technical solutions and effects of the present disclosure clearer and clearer, the present disclosure is further described in detail below with reference to the accompanying drawings and preferred embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and do not limit the scope of the disclosure.
The description of the present disclosure herein uses the same reference numerals for like components in the various embodiments. Although the present disclosure is described with respect to a typical deflector, deflection system and lens maintenance system, it should be understood that the present disclosure is also applicable to other similar medical devices. For example, the present disclosure is equally applicable to endoscopes, which can be introduced into the body from natural orifices of the body or from surgical incisions, for visual inspection and treatment; and is suitable for other medical instruments with miniature cameras.
Referring to fig. 1 and 2, embodiments of the present disclosure provide a deflector 10. The deflector 10 includes: side wall 20, bottom wall 30, stop 40. The side walls 20 are connected to the bottom wall 30 to form a structure longitudinally enclosing the cavity mirror, the side walls 20 and the bottom wall 30 defining a chamber for receiving the cavity mirror. A stop 40 extends from one end of the bottom wall 30 and is adapted to secure the lens of the cavity mirror within the deflector 10.
Two gas passages 50 and one liquid passage 60 are provided inside the deflector 10, and the two gas passages 50 are symmetrically disposed about the liquid passage 60 inside the deflector 10. The gas passage 50 and the liquid passage 60 may be passages formed inside the deflector 10 or grooves formed on the surface of the deflector 10, and then, for example, capillary tubes are placed in the grooves to conduct gas and liquid. As shown in fig. 2 and 3, each gas channel 50 includes a first gas channel portion 510 and a second gas channel portion 520, the first gas channel portion 510 communicating with the second gas channel portion 520, the first gas channel portion 510 extending through the bottom wall 30 to the blocking portion 40, the second gas channel portion 520 deflecting from the blocking portion 40 toward the lens of the cavity mirror and toward the center of the chamber, and forming gas outlet holes 530 at the sides of the blocking portion 40. The liquid channel 60 comprises a first liquid channel portion 610 and a second liquid channel portion 620, the first liquid channel portion 610 communicating with the second liquid channel portion 620, the first liquid channel portion 610 extending through the bottom wall 30 to the blocking portion 40, the second liquid channel portion 620 deflecting from the blocking portion 40 towards the lens of the cavity mirror, forming an exit hole 630 in the side of the blocking portion 40.
In the disclosed embodiment, as shown in fig. 3, the air outlet 530 is an elliptical hole, and the liquid outlet 630 is a kidney-shaped hole. In some other embodiments, the gas outlet 530 and the liquid outlet 630 may have other shapes.
In some embodiments, the axis of the second gas passage portion 520 includes an axial angle α 1 with the chamber of 50o~60oThe axis of the second gas passage portion 520 makes an angle beta of 65 degrees with the radial direction of the chambero~75o(ii) a The axis of the second fluid passage portion 620 includes an axial angle α 2 with the chamber of 50o~60oThe axial included angle α 1 and the axial included angle α 2 may be the same or different. With particular reference to the direction of the arrows in fig. 2 and 3 for the second gas passage section 520 and the second liquid passage section 620.
In the embodiment shown in fig. 2, the gas channel 50 is tapered in the direction of clean gas transport, i.e., the inner diameter of the outlet of the first gas channel portion 510 near the baffle 40 is smaller than the inner diameter of the inlet of the first gas channel portion 510 near the bottom wall 30, and the inner diameter of the outlet of the second gas channel portion 520 near the gas outlet 530 is smaller than the inner diameter of the inlet of the second gas channel portion 520. In this embodiment, similarly to the gas passage 50, the liquid passage 60 is also gradually narrowed in the cleaning liquid conveying direction, which will not be described herein.
In some embodiments, the inner diameter of the gas channel 50 inside the deflector 10 is not changed, and the inner diameter of the liquid channel 60 inside the deflector is not changed, so that the transported gas and liquid can be pressurized by only setting the cross-sectional area of the gas outlet 530 smaller than the cross-sectional area of the second gas channel portion 520 and the cross-sectional area of the liquid outlet 630 smaller than the cross-sectional area of the second liquid channel portion 620, thereby achieving the lens cleaning.
In the embodiment shown in fig. 2, the bottom wall 30 of the deflector 10 is further provided with an opening 310, the opening 310 is located on the outer side of the bottom wall 30, the width of the opening 310 is 3.5 mm-4.5 mm, and the opening 310 is suitable for enabling water flowing back for washing the cavity mirror lens to flow out of the opening 310, so that liquid accumulation is prevented from forming on the surface of the cavity mirror lens.
In some embodiments, as shown in fig. 4a and 4b, the blocking portion 40 may form a shaped step 71 with the lens of the cavity mirror 70 adapted to prevent water pooling of the lens of the cavity mirror 70 when the lens of the cavity mirror 70 is placed inside the deflector 10.
In some embodiments, the outer diameter of the deflector 10 is no more than 12.8mm, and the inner diameter of the deflector 10 is no less than 10mm, which can be used with a 10mm diameter endoscope.
In some embodiments, the deflector 10 is a white light transmissive material and the barrier 40 is frosted on the sides. The reduction of the intensity of the illumination light or the facula caused by shielding the light source in the process of the endoscopic surgery can be avoided.
The deflector deflects the cleaning gas and the cleaning liquid transported in the gas channel and the liquid channel to the direction of the lens of the endoscope, and pressurizes the gas and the liquid used for cleaning at the gas outlet and the liquid outlet, so that the lens can be rapidly and effectively demisted and decontaminated.
With particular reference to fig. 5, the disclosed embodiments also provide a deflection system 14. The deflection system 14 includes: the deflector 10 of any of the above embodiments for deflecting incoming liquid and gas; the sheath tube 11 is used for protecting the endoscope, and the endoscope enters the body through the sheath tube 11 during endoscopic surgery; the three capillary steel tubes 12 are respectively used for transporting liquid and gas used for cleaning the endoscope lens; a binder 13 adapted to ensure the relative orientation of the scope and the deflector; a heat shrink tube (not shown) adapted to protect the capillary steel tube; and the deflector 10, the sheath tube 11, the capillary steel tube 12, the binder 13 and the heat shrinkable tube are bonded by glue. Other configurations of the deflection system 14 are known to those skilled in the art and will not be described in detail herein.
According to the deflection system disclosed by the embodiment of the disclosure, the deflector is connected to one side of the sheath tube, so that in the process of endoscopic surgery, when stains such as mist, blood stains, tissue fragments and the like are covered on the surface of the endoscope lens, the position of the endoscope in the body can be prevented from moving, and gas and liquid used for cleaning are directly deflected to the endoscope lens through the deflector to clean the endoscope lens.
With particular reference to fig. 6, the embodiment of the present disclosure further provides a lens maintaining system 1. The lens maintenance system includes: the deflection system 14 according to the above embodiment deflects the gas and the liquid for lens cleaning to the lens, respectively; the gas transmission system 2 with the negative pressure ball 4 can accelerate the flow of gas, and two ends of the negative pressure ball 4 are respectively connected with the deflection system 14 and the pneumoperitoneum machine and are suitable for providing gas for cleaning the lens; and a fluid delivery system 3 adapted to provide fluid for lens cleaning.
The lens maintaining system of the embodiment of the disclosure connects the deflection system with the gas transmission system and the liquid transmission system, so that the gas transmission system and the liquid transmission system can continuously provide cleaning gas and cleaning liquid for the endoscope lens in the process of the endoscope operation, and the endoscope lens can be cleaned quickly and efficiently.
The technical content and technical features of the present disclosure have been disclosed above, however, it is understood that various changes and modifications of the concept disclosed above can be made by those skilled in the art under the inventive concept of the present disclosure, and all fall within the scope of the present disclosure. The above description of embodiments is intended to be illustrative, and not restrictive, and the scope of the disclosure is defined by the appended claims.
Claims (14)
1. A deflector, comprising:
a side wall;
a bottom wall defining with said side wall a chamber housing a cavity mirror;
the blocking part is arranged at one end of the bottom wall and is suitable for fixing the lens of the cavity mirror in the deflector;
a gas channel including a first gas channel portion and a second gas channel portion, the first gas channel portion communicating with the second gas channel portion, the first gas channel portion extending through the bottom wall to the blocking portion, the second gas channel portion deflecting from the blocking portion toward the lens of the cavity mirror and toward the center of the chamber, an air outlet hole being formed in a side surface of the blocking portion; and
and the liquid channel comprises a first liquid channel part and a second liquid channel part, the first liquid channel part is communicated with the second liquid channel part, the first liquid channel part passes through the bottom wall and extends to the blocking part, the second liquid channel part deflects from the blocking part towards the lens of the cavity mirror, and a liquid outlet hole is formed in the side surface of the blocking part.
2. The deflector according to claim 1, wherein the axis of the second gas passage portion makes an angle of 50 ° to 60 ° with the axial direction of the chamber, and the axis of the second gas passage portion makes an angle of 65 ° to 75 ° with the radial direction of the chamber.
3. A deflector according to claim 1, wherein the axis of the second liquid passage portion is angled from 50 ° to 60 ° to the axial direction of the chamber.
4. A deflector according to any of claims 1 to 3, wherein the deflector comprises at least two of said gas passages and one of said liquid passages.
5. The deflector according to claim 4, wherein two of the gas passages are symmetrically arranged, and the liquid passage is located between the two gas passages.
6. A deflector according to any one of claims 1 to 3, wherein the cross-sectional area of the gas outlet holes is smaller than the cross-sectional area of the second gas channel portion.
7. A deflector according to any one of claims 1 to 3, wherein the exit opening has a cross-sectional area smaller than the cross-sectional area of the second liquid channel portion.
8. The deflector of claim 7, wherein the exit holes are kidney-shaped holes.
9. The deflector according to any one of claims 1 to 3, further comprising: and the opening is positioned on the bottom wall and is suitable for enabling the water flowing back after the lens is washed to flow out of the opening.
10. A deflector according to any one of claims 1 to 3, wherein the blocking portion forms a shaped step with the lens of the cavity mirror adapted to prevent water accumulation in front of the lens of the cavity mirror.
11. A deflector according to any of claims 1 to 3, wherein the deflector has an outer diameter of no more than 12.8mm and an inner diameter of no less than 10 mm.
12. A deflector according to any one of claims 1 to 3, wherein the deflector is made of a white light-transmitting material and the barrier is frosted on its side.
13. A deflection system, comprising:
the deflector of any one of claims 1-12, adapted to deflect incoming liquids and gases;
the sheath tube is suitable for protecting the endoscope;
a capillary steel tube adapted to transport the input liquid and gas;
a binder adapted to ensure the relative orientation of the scope and the deflector;
a heat shrink tube adapted to protect the capillary steel tube;
wherein the deflector, the sheath tube, the capillary steel tube, the binder and the heat shrink tube are bonded by glue.
14. A lens maintenance system, comprising:
the deflection system according to claim 13, adapted to deflect gas and liquid for lens cleaning, respectively, at the lens;
the gas transmission system comprises a negative pressure ball, one end of the negative pressure ball is connected with the deflection system, and the other end of the negative pressure ball is connected with the pneumoperitoneum machine and is suitable for providing gas for cleaning the lens;
and the infusion system is suitable for providing liquid for lens cleaning.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111052836.2A CN113499024B (en) | 2021-09-09 | 2021-09-09 | Deflector, deflection system and lens holding system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111052836.2A CN113499024B (en) | 2021-09-09 | 2021-09-09 | Deflector, deflection system and lens holding system |
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| CN113499024A true CN113499024A (en) | 2021-10-15 |
| CN113499024B CN113499024B (en) | 2022-01-21 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113499024B (en) | 2022-01-21 |
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