Anti-fogging thoracoscope

Abstract

The utility model relates to an anti-fogging thoracoscope which comprises a thoracoscope body, a sleeve and a sealing ring are installed on a thoracoscope tube of the thoracoscope body, the sealing ring is located between the sleeve and a thoracoscope body of the thoracoscope body, the sleeve is sleeved on the thoracoscope tube and a lens of the thoracoscope body, and a circle of annular cavity is formed between the thoracoscope tube and the sleeve. Two separation strips are installed between the sleeve and a tube of the thoracoscope, the two separation strips divide the annular cavity into an air inlet channel and an air outlet channel, a circle of flow guide ring is arranged on the head of the sleeve, an air blowing opening and an air exhaust opening are formed among the flow guide ring, a lens of the thoracoscope and the separation strips, and two air inlet nozzles and two air exhaust nozzles are fixedly connected to the side wall of the tail of the sleeve. The air inlet nozzle, the air inlet channel and the air blowing opening are sequentially communicated, and the air extraction opening, the air outlet channel and the air extraction nozzle are sequentially communicated. Gas passes through the gas inlet channel from the gas inlet nozzle, then is blown out from the gas blowing opening to the lens of the thoracoscope, and then is discharged from the gas extraction opening, the gas outlet channel and the gas extraction nozzle in sequence, so that the lens of the thoracoscope is prevented from fogging, and gasified materials are prevented from being attached.

Description

Technical Field

[0001] The utility model relates to the field of thoracoscopes, in particular to an anti-fogging thoracoscope. Background Art

[0002] Thoracoscope is a medical device with a miniature camera, which mainly includes the following five basic systems: thoracoscope video monitoring system, CO 2 Pneumoperitoneum system, electrosurgical cutting system, irrigation-suction system, surgical instruments, etc.

[0003] The thoracoscope lens can easily become blurred during use due to temperature differences and debris accumulated during surgery, disrupting the normal operation. Current solutions include: removing the lens for replacement or cleaning; installing a cleaning mechanism within the guide tube to clean the lens; and adding a heating device around the lens for heating and demisting. This application aims to provide a lens cleaning mechanism based on the air-blowing principle. Utility Model Content

[0004] The purpose of the utility model is to overcome the above problems existing in the prior art and provide an anti-fogging thoracoscope.

[0005] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0006] The diaphragm of claim 1, wherein the diaphragm is secured to a position adjacent to the mirror tube of the scope and is secured to a location adjacent to the mirror tube of the scope. The diaphragm is secured to a location adjacent to the mirror tube of the scope and is secured to a location adjacent to the mirror tube of the scope.

[0007] Wherein, the width of the blowing port and the width of the exhaust port are equal to the diameter of the lens of the thoracoscope.

[0008] Wherein, two symmetrical arc-shaped limiting plates are provided at the top of the sealing ring, and the width of the limiting plates is equal to the diameter of the lens of the thoracoscope.

[0009] Among them, two symmetrical first pin holes are opened on the side wall of the tail of the sleeve, a second pin hole is opened on each of the limiting plates, and two symmetrical pin grooves are provided on the outer side wall of the tail of the scope tube of the thoracoscope, and a pin is inserted into the pin groove and the adjacent first pin hole and second pin hole.

[0010] The thickness of the dividing strip is equal to half of the difference between the inner diameter of the sleeve and the outer diameter of the thoracoscope tube. The outer surface of the dividing strip is an outer arc surface that fits tightly with the inner wall of the sleeve, and the inner surface of the dividing strip is an inner arc surface that fits tightly with the outer wall of the thoracoscope tube.

[0011] The head of the dividing bar is provided with a limit block protruding toward the inner side of the dividing bar, the distance between the two limit blocks is smaller than the diameter of the thoracoscope lens, and the distance between the two limit blocks is larger than the diameter of the output light beam of the thoracoscope lens.

[0012] The beneficial effect of the utility model is that the gas is blown out from the air inlet nozzle through the air inlet channel to the lens of the thoracoscope from the air outlet, and then discharged from the air exhaust port, the air outlet channel and the air exhaust nozzle in sequence, thereby preventing the lens of the thoracoscope from fogging and vaporized matter from adhering. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0014] Figure 1 This is a schematic structural diagram of the anti-fogging thoracoscope in the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the anti-fogging thoracoscopic longitudinal head section in the utility model;

[0016] Figure 3 This is a structural diagram of the position of the sealing ring of the anti-fogging thoracoscope after longitudinal cutting in the utility model;

[0017] Figure 4 It is a structural diagram of the sleeve in the utility model;

[0018] Figure 5 This is a structural diagram of the first perspective of the head of the dividing strip in the utility model;

[0019] Figure 6 This is a structural diagram of the second viewing angle of the head of the dividing strip in the present invention;

[0020] Figure 7 This is a schematic structural diagram of the sealing ring in the utility model;

[0021] Explanation of the numbers in the figure: thoracoscope, mirror body 101, mirror tube 102, lens 103, pin groove 104, sleeve 1, sealing ring 2, limit plate 3, first pin hole 4, second pin hole 5, pin 6, separator 7, air inlet channel 8, air outlet channel 9, guide ring 10, air blowing port 11, air exhaust port 12, air inlet nozzle 13, air exhaust nozzle 14, outer arc surface 15, inner arc surface 16, limit block 17. DETAILED DESCRIPTION

[0022] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0023] like Figures 1 to 7 As shown, an anti-fogging thoracoscopic device comprises a thoracoscopic device, wherein a tubular sleeve 1 and an annular sealing ring 2 are installed on the mirror tube 102 of the thoracoscopic device, the sleeve 1 is sleeved on the mirror tube 102 and the lens 103 of the thoracoscopic device, the sealing ring 2 is located between the sleeve 1 and the mirror body 101 of the thoracoscopic device, and two symmetrical arc-shaped limiting plates 3 are provided on the top of the sealing ring 2, which are integrally formed with the sealing ring 2, and the width of the limiting plates 3 is equal to the diameter of the lens 103 of the thoracoscopic device; two symmetrical first pin holes 4 are provided on the side wall of the rear end of the sleeve 1, and a second pin hole 5 is provided on each limiting plate 3, and two symmetrical pin grooves 104 are provided on the outer side wall of the rear end of the mirror tube 102 of the thoracoscopic device, and a pin 6 is inserted into the pin groove 104 and the adjacent first pin hole 4 and second pin hole 5.

[0024] A circular cavity is formed between the thoracoscope tube 102 and the sleeve 1. Two symmetrical dividing strips 7 are installed between the sleeve 1 and the thoracoscope tube 102. The two dividing strips 7 divide the circular cavity into an air inlet channel 8 and an air outlet channel 9. The head of the sleeve 1 is provided with a circular guide ring 10 extending toward the center of the sleeve 1. An air blowing port 11 and an air exhaust port 12 symmetrically arranged about the thoracoscope lens 103 are formed between the guide ring 10, the thoracoscope lens 103 and the dividing strip 7. The width of the air blowing port 11 and the width of the air exhaust port 12 are equal to the diameter of the thoracoscope lens 103. Two air inlet nozzles 13 and air exhaust nozzles 14 symmetrical about the central axis of the sleeve 1 are fixed to the side wall of the rear end of the sleeve 1. The air inlet nozzle 13, the air inlet channel 8, and the air blowing port 11 are connected in sequence, and the air exhaust port 12, the air outlet channel 9, and the air exhaust nozzle 14 are connected in sequence.

[0025] The thickness of the dividing strip 7 is equal to half of the difference between the inner diameter of the sleeve 1 and the outer diameter of the mirror tube 102 of the thoracoscope. The outer side surface of the dividing strip 7 is an outer arc surface 15 that fits tightly with the inner wall of the sleeve 1, and the inner side surface of the dividing strip 7 is an inner arc surface 16 that fits tightly with the outer wall of the mirror tube 102 of the thoracoscope.

[0026] The head of the dividing bar 7 is provided with a limit block 17 protruding toward the inner side of the dividing bar 7. The distance between the two limit blocks 17 is smaller than the diameter of the thoracoscope lens 103, and the distance between the two limit blocks 17 is larger than the diameter of the output light beam of the thoracoscope lens 103.

[0027] The divider and seal are made of silicone, and the sleeve and pin are made of medical-grade stainless steel.

[0028] Before use, connect the air inlet nozzle to the air outlet of the CO2 pneumoperitoneum system of the thoracoscope with a pipe, and connect the air outlet nozzle to the air inlet of the flushing-suction system of the thoracoscope with a pipe.

[0029] During use, the gas passes through the air inlet channel from the air inlet nozzle and is blown out from the air outlet to the lens of the thoracoscope, and then is discharged from the air exhaust port, the air outlet channel and the air exhaust nozzle in sequence, thereby preventing the lens of the thoracoscope from fogging and vaporized matter from adhering.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. An anti-fogging thoracoscope, comprising a thoracoscope, characterized in that: The mirror tube of the thoracoscope is equipped with a tubular sleeve and an annular sealing ring, the sealing ring is located between the sleeve and the mirror body of the thoracoscope, the sleeve is sleeved on the mirror tube and lens of the thoracoscope, a circle of annular cavity is formed between the mirror tube of the thoracoscope and the sleeve, two symmetrical dividing strips are installed between the sleeve and the mirror tube of the thoracoscope, the two dividing strips divide the annular cavity into an air inlet channel and an air outlet channel, the head of the sleeve is provided with a circle of annular guide ring extending toward the center of the sleeve, the guide ring and the lens of the thoracoscope and the dividing strip form a blowing port and an exhaust port symmetrically arranged about the lens of the thoracoscope, two air inlet nozzles and exhaust nozzles symmetrical about the central axis of the sleeve are fixedly connected to the side wall of the tail of the sleeve, the air inlet nozzle, the air inlet channel and the blowing port are connected in sequence, and the exhaust port, the air outlet channel and the exhaust nozzle are connected in sequence.

2. The anti-fogging thoracoscope according to claim 1, characterized in that: The width of the air blowing port and the width of the air extraction port are equal to the diameter of the lens of the thoracoscope.

3. The anti-fogging thoracoscope according to claim 1, characterized in that: Two symmetrical arc-shaped limiting plates are provided on the top of the sealing ring, and the width of the limiting plates is equal to the diameter of the lens of the thoracoscope.

4. The anti-fogging thoracoscope according to claim 3, characterized in that: Two symmetrical first pin holes are provided on the side wall of the tail end of the sleeve, a second pin hole is provided on each of the limit plates, and two symmetrical pin grooves are provided on the outer side wall of the tail end of the scope tube of the thoracoscope, and a pin is inserted into the pin groove and the adjacent first pin hole and second pin hole.

5. The anti-fogging thoracoscope according to claim 1, characterized in that: The thickness of the dividing strip is equal to half of the difference between the inner diameter of the sleeve and the outer diameter of the thoracoscope tube. The outer side surface of the dividing strip is an outer arc surface that fits tightly with the inner wall of the sleeve, and the inner side surface of the dividing strip is an inner arc surface that fits tightly with the outer wall of the thoracoscope tube.

6. The anti-fogging thoracoscope according to claim 1, characterized in that: The head of the dividing bar is provided with a limit block protruding toward the inside of the dividing bar, the distance between the two limit blocks is smaller than the diameter of the thoracoscope lens, and the distance between the two limit blocks is larger than the diameter of the output light beam of the thoracoscope lens.

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