CN210582439U

CN210582439U - Nephroscope for percutaneous nephroscope operation

Info

Publication number: CN210582439U
Application number: CN201920206373.2U
Authority: CN
Inventors: 廖锦先
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-18
Filing date: 2019-02-18
Publication date: 2020-05-22
Anticipated expiration: 2029-02-18

Abstract

The utility model relates to a nephroscope for percutaneous nephroscope operation, including the stereoplasm scope, a plurality of apparatus passageways with stereoplasm scope tip intercommunication, the passageway of intaking, go out the water passageway, cold light source input, eyepiece input and image data output, the stereoplasm scope is the linear type, stereoplasm scope front end is the non-bending end, the front end is the front end of stereoplasm endoscope axial direction of advance promptly, the contained angle between the radial plane of the front end port place plane of stereoplasm scope and stereoplasm scope is 30 ~ 60, the inside liquid passage that is equipped with of stereoplasm scope, laser device and imaging device.

Description

Nephroscope for percutaneous nephroscope operation

Technical Field

The utility model relates to the field of medical equipment, concretely relates to modern medicine carries out a novel medical instrument of percutaneous nephrosis operation, a percutaneous nephroscope promptly.

Background

The percutaneous nephroscope operation is a means for solving the problem of renal calculus, a hard percutaneous nephroscope enters the kidney through a channel from the skin established at the waist to the kidney, and the renal calculus is broken and taken out by using lithotripsy tools such as laser, ultrasound and the like.

Among the prior art, percutaneous nephroscope operation is when handling the calculus at dead angle position, because the visual scope of the visual angle of traditional hard view lens end is limited, probably lead to looking for the calculus difficult, and apparatus passageway and water passageway are as an organic whole, even if the calculus is in visual scope, because laser fiber can not be crooked by oneself, still can't aim and carry out the rubble, if change the scope angle of advancing by force or increase puncture passageway, then can lead to the damage of kidney tissue, and prolong operation time, increase the probability of complication such as passageway hemorrhage.

The prior Chinese patents (such as CN202859076U, CN202682049U and the like) disclose percutaneous nephroscopes with bendable front ends, the front end design can be bent, but the technical scheme can additionally increase the operation difficulty of the operation, and is not practical in the percutaneous nephroscope operation, especially under the conditions of unobvious hydronephrosis, narrow calyx neck and the like. The straight-line mirror body is the best choice for percutaneous nephroscope surgery, but the straight-line mirror body still has the defects.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a nephroscope for percutaneous nephroscope operation, including the stereoplasm scope, a plurality of apparatus passageways with stereoplasm scope tip intercommunication, the water inlet channel, go out the water passageway, the cold light source input, eyepiece input and image data output, the stereoplasm scope is the linear type, the stereoplasm scope front end is the non-bending end, the front end is the front end of stereoplasm endoscope axial direction of advance promptly, the contained angle between the radial plane of front end port place plane and stereoplasm scope of stereoplasm scope is 30 ~ 60, the inside liquid channel that is equipped with of stereoplasm scope, laser device and imaging device.

Furthermore, the imaging device comprises a cold light source output end, an optical lens and an optical conduction device, wherein the size of the optical lens is not less than 3.6mm, and the field angle of the lens is 100 degrees or more; the optical conduction channel is respectively connected with the optical lens and the image data output end; the output end of the cold light source is connected with the input end of the cold light source. The cold light source output end is used for providing a light source.

Furthermore, the front end port of the hard endoscope is provided with a water outlet hole of a liquid channel, an optical lens, a light outlet hole of a cold light source output end and a transmitting hole of a laser device in an integrated mode. The plane where the optical lens is located and the radial plane of the hard endoscope are arranged in an inclined mode, the included angle between the plane where the optical lens is located and the radial plane of the hard endoscope is a lens viewing direction angle, and the lens viewing direction angle is 30-60 degrees. The water outlet hole of the liquid channel is respectively communicated with the water inlet channel and the water outlet channel.

Furthermore, the path of the laser emitted by the emitting hole of the laser device is perpendicular to the plane of the optical lens. Preferably, the laser device transmits laser light by using an optical fiber, and the optical fiber is connected with the laser generator from the instrument channel. The entrance of the instrument channel is positioned at the rear end of the hard endoscope, and the laser device is adopted to carry out laser lithotripsy on complex stones, so that the lithotripsy effect of the traditional percutaneous nephroscope is improved, the operation time is shortened, and the probability of postoperative complications is reduced.

The beneficial effects of the utility model reside in that:

the utility model discloses a percutaneous nephroscope passes through the front end port slope setting of stereoplasm scope, has increased the camera lens and has looked to the angle and enlarged the field of vision, when handling the complexity calculus clinically, can increase the effective range of laser rubble through under the stereoplasm scope axial displacement stereoplasm scope circumstances along, reduces the crooked damage to the kidney tissue of stereoplasm scope front end to improved rubble efficiency, reduced the calculus and remained, improved the rubble effect of first-stage percutaneous nephroscope operation.

The utility model provides a percutaneous nephroscope accessible carries out percutaneous nephroscope operation as follows step:

(1) entering a focus position:

firstly, accurate positioning is guided by a mobile C-shaped arm X-ray machine or B-ultrasonic, percutaneous puncture and gradual expansion are carried out, a channel sheath is placed to establish a percutaneous renal channel, then the endoscope is operated gently and gently, and enters the kidney through the renal channel sheath in the state that the whole section of the endoscope tube is straightened, so that the endoscope enters the renal pelvis, each renal calyx or the upper section of the ureter without dead angles to carry out endoscopic surgical exploration;

(2) preparation before laser lithotripsy:

after the hard endoscope is placed into the endoscope through a renal channel sheath, the hard endoscope can carry out two operations, namely, the hard endoscope moves along the axial direction of the hard endoscope, and rotates by taking a hard endoscope shaft as an axis, target calculus is found through an imaging device in the hard endoscope, endoscopic laser lithotripsy is carried out on the target calculus through a laser device, and the effective range of laser lithotripsy is increased under the condition that the hard endoscope moves along the axial direction of the hard endoscope;

(3) treatment of the crushed stones:

when the laser emitted from the emitting hole of the laser device breaks the stone, the small-sized broken stone chips can be injected into perfusate through the water outlet hole of the liquid channel and flushed into the renal pelvis, and the pressure difference between the inside and the outside of the kidney is utilized, so that the liquid pressure in the kidney is greater than the atmospheric pressure in the outside of the body, and the liquid is flushed out of the body along with the perfusate through the kidney channel sheath.

Drawings

The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.

Fig. 1 is a schematic structural diagram of a nephroscope according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the front end of the hard endoscope of the present invention.

Fig. 3 is a schematic structural view of the front end face of the hard endoscope of the present invention.

Fig. 4 is a schematic view of the observation range of the optical lens of the nephroscope of the present invention.

Fig. 5 is a schematic view of the effective range of the laser lithotripsy of the optical lens of the nephroscope of the present invention.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 1, a nephroscope for percutaneous nephroscope surgery includes a rigid endoscope 1, a cold light source input terminal 2, an image data output terminal 3, an instrument channel 4, a water inlet channel 5 and a water outlet channel 6. Cold light source input end 2, image data output end 3 lie in the same one side of 1 axis of stereoplasm scope, and cold light source input end 2 becomes 90 degrees designs with the axis, and image data output end 3 becomes 45 degrees designs with the axis, wholly is "gun type" structure, has strengthened operation operator's gripping nature, stability effectively. The hard endoscope 1 is linear, the front end 11 of the hard endoscope is a non-bending end, and a liquid channel, a laser device and an imaging device are arranged inside the hard endoscope 1.

As shown in fig. 2 and 3, the included angle θ =30 ° between the plane of the port at the distal end 11 of the rigid endoscope 1 and the radial plane of the rigid endoscope 1. The port of the front end 11 is integrally provided with a water outlet hole 114 of a liquid channel, an optical lens 111, a light outlet hole 113 of a cold light source output end and an emission hole 112 of a laser device. The plane of the optical lens 111 and the radial plane of the hard endoscope are arranged in an inclined manner, the included angle between the plane of the optical lens and the radial plane of the hard endoscope is a lens viewing direction angle, and the lens viewing direction angle is 30 degrees. The emitting hole 112 of the laser device emits laser light with a path perpendicular to the plane of the optical lens 111. The light outlet 113 at the output end of the cold light source is used for providing a cold light source, and the optical lens 111 is connected with the optical conduction channel 7 for imaging.

As shown in fig. 4, the front end port of the hard endoscope of the conventional nephroscope is perpendicular to the central axis of the hard endoscope, so that the imaging range of the optical lens is only a1 in the figure, and the front end 11 port of the hard endoscope 1 of the nephroscope of the present invention is inclined, so that the imaging range of the optical lens 111 is (a 1+ a 2) in the figure, and is larger than the imaging range of the conventional nephroscope under the condition that the front end 11 of the hard endoscope 1 is not bent. The imaging range of the optical lens 111 can be enlarged by rotating the hard endoscope 1 about its central axis.

As shown in fig. 5, the working range of the laser emitted by the existing nephroscope is b1, and the utility model provides a nephroscope can increase the effective range of laser lithotripsy to b2 under the condition that the front end 11 of the hard endoscope 1 is not bent through moving the hard endoscope 1 along the axial direction of the hard endoscope 1, which is larger than the laser lithotripsy range of the prior art.

Example 2

A nephroscope for percutaneous nephroscope surgery, which has the structure as in embodiment 1, except that the included angle θ =40 ° between the plane of the port of the front end 11 of the rigid endoscope 1 and the radial plane of the rigid endoscope 1, and the viewing angle of the lens is 40 °.

Example 3

A nephroscope for percutaneous nephroscope surgery, which is constructed as described in embodiment 1, except that the angle θ =50 ° between the plane of the port of the distal end 11 of the rigid endoscope 1 and the radial plane of the rigid endoscope 1, and the viewing angle of the lens is 50 °.

Example 4

A nephroscope for percutaneous nephroscope surgery, which has the structure as in embodiment 1, except that the included angle θ =60 ° between the plane of the port of the front end 11 of the rigid endoscope 1 and the radial plane of the rigid endoscope 1, and the viewing angle of the lens is 60 °.

Example 5

A nephroscope for percutaneous nephroscope surgery, which has the structure as in embodiment 1, except that the included angle θ =30 ° between the plane of the port of the front end 11 of the rigid endoscope 1 and the radial plane of the rigid endoscope 1, and the viewing angle of the lens is 60 °.

Example 6

A nephroscope for percutaneous nephroscope surgery, which is constructed as described in embodiment 1, except that the angle θ =40 ° between the plane of the port of the distal end 11 of the rigid endoscope 1 and the radial plane of the rigid endoscope 1, and the viewing angle of the lens is 50 °.

Example 7

A nephroscope for percutaneous nephroscope surgery, which is constructed as described in embodiment 1, except that the angle θ =50 ° between the plane of the port of the distal end 11 of the rigid endoscope 1 and the radial plane of the rigid endoscope 1, and the viewing angle of the lens is 40 °.

Example 8

A nephroscope for percutaneous nephroscope surgery, which is constructed as described in embodiment 1, except that the angle θ =60 ° between the plane of the port of the distal end 11 of the rigid endoscope 1 and the radial plane of the rigid endoscope 1, and the viewing angle of the lens is 30 °.

Example 9

A nephroscope for percutaneous nephroscope surgery, which has the structure as in embodiment 1, except that the included angle θ =45 ° between the plane of the port of the front end 11 of the rigid endoscope 1 and the radial plane of the rigid endoscope 1, and the viewing angle of the lens is 45 °. Utilize this embodiment 9 the nephroscope, at the operation implementation in-process, when meetting the unable condition of peeping clear calculus of current nephroscope, put into in the puncture sheath the utility model discloses a nephroscope through enlarging field of vision scope and laser working range, can carry out accurate rubble at bigger within range.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a nephroscope for percutaneous nephroscope operation, includes the stereoplasm scope, with a plurality of apparatus passageways, inlet channel, outlet channel, cold light source input, eyepiece input and image data output of stereoplasm scope tip intercommunication, its characterized in that:

the hard endoscope is linear, the front end of the hard endoscope is a non-bending end, an included angle between a plane where a front end port of the hard endoscope is located and a radial plane of the hard endoscope is 30-60 degrees, and a liquid channel, a laser device and an imaging device are arranged inside the hard endoscope;

the imaging device comprises a cold light source output end, an optical lens and an optical conduction device, wherein the size of the optical lens is not less than 3.6mm, and the field angle of the lens is 100 degrees or more; the optical conduction channel is respectively connected with the optical lens and the image data output end; the output end of the cold light source is connected with the input end of the cold light source;

the front end port of the hard endoscope is integrally provided with a water outlet hole of the liquid channel, the optical lens, a light outlet hole of the cold light source output end and an emission hole of the laser device;

the water outlet hole of the liquid channel is respectively communicated with the water inlet channel and the water outlet channel;

the plane where the optical lens is located and the radial plane of the hard endoscope are arranged in an inclined mode, the included angle between the plane where the optical lens is located and the radial plane of the hard endoscope is a lens viewing direction angle, and the lens viewing direction angle is 30-60 degrees.

2. A nephroscope for percutaneous nephroscopy procedures according to claim 1, wherein: the laser path emitted by the emitting hole of the laser device is perpendicular to the plane of the optical lens.