CN211409001U

CN211409001U - Electronic ureteroscope

Info

Publication number: CN211409001U
Application number: CN201922499144.7U
Authority: CN
Inventors: 石长亮; 高怀军; 邹剑龙
Original assignee: Beijing Ruiwo Medical Devices Co ltd
Current assignee: Beijing Ruiwo Medical Devices Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-04
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to the technical field of medical equipment, concretely relates to electron ureteroscope. It includes the outer tube, has in the outer tube along the instrument channel that outer tube length direction set up, the outer tube stretches into internal one end for stretching into the end, the inscribed circle has in the cross section of instrument channel, have big end side in stretching into the cross section of end, the instrument channel is located big end side department. The cross section area of the instrument channel is the largest in size of the cross section area of the extending end, medical instruments used in the instrument channel are generally in fixed sizes and are generally circular, an inscribed circle is arranged in the cross section of the instrument channel, and the cross section of the instrument channel is correspondingly smaller when the area ratio of the inscribed circle to the cross section of the instrument channel is larger under the condition that the diameter of the inscribed circle is fixed; moreover, the instrument channel is positioned at the large end side, so that the cross section area of the outer tube is smaller, the outer tube is thinner, and the situations that the outer tube damages organs in the body and causes sequelae and the like are effectively reduced.

Description

Electronic ureteroscope

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to electron ureteroscope.

Background

Ureteroscopy is a slender instrument consisting of light-conducting fibers, working channels and various working accessories for different purposes, and has a small diameter of 35-45 cm. Ureteroscope operation is to enter a ureter with a diameter of 0.2 to 0.5cm through a urethra, a bladder and a ureter orifice through a slender sight glass, so that pathological changes in the ureter, such as stones, tumors and the like, can be observed clearly under direct vision or by a television monitoring system, and the diagnosis and treatment of ureter diseases are carried out. The ureteroscope is medical equipment for urology treatment, and is used for diagnosing and treating ureteral diseases, so that the diagnosis and treatment level of the ureteral diseases is greatly improved, the hospitalization time of a patient is shortened, the treatment cost is reduced, and a satisfactory effect can be achieved clinically.

The ureteroscope in the prior art generally adopts optical fiber imaging, has high cost and low definition, and has thick outer tubes extending into a body, wherein the thick outer tubes easily damage organs in the body to cause sequelae and the like.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an electronic ureteroscope which has low production cost, high definition and thinner external tube extending into the body.

In order to solve the problem, the utility model discloses an electronic ureteroscope, the female joint comprises an outer tube, have in the outer tube and follow the instrument passageway that outer tube length direction set up, the outer tube stretches into an internal tip for stretching into the end, the inscribed circle has in the cross section of instrument passageway, it is distolateral to have in the cross section of end to stretch into, the instrument passageway is located the distolateral department of big end.

The end part of the extending end is also provided with an electronic camera, and a lead of the electronic camera is arranged in the outer pipe and extends out of the outer pipe to be communicated with the outside.

The electronic camera is characterized by further comprising an illuminating optical fiber arranged in the outer tube, wherein the illuminating end of the illuminating optical fiber is close to the electronic camera to provide illumination for the electronic camera.

The cross section of the end of stretching into is personally submitted the arc melon seed form, stretch into the relative broad one side of end cross section for big end side, stretch into the relative narrower one side of end cross section for little end side, the illumination end of electronic camera and illumination optic fibre is located little end side.

The small end side extends outwards along the length direction of the outer tube to form a protruding end, and the electronic camera and the illumination end are located on the protruding end.

The side wall of the small end side of the extending end, which is far away from the large end side, is provided with a smooth bulge, and the height of the bulge is gradually increased in the direction far away from the extending end.

The outer tube is provided with a plurality of sections, the outer tube is sequentially provided with a first section of outer tube, a second section of outer tube and a third section of outer tube from far to near, the end part of the first section of outer tube, which is far away from the second section of outer tube, is the extending end, and the cross section sizes of the first section of outer tube, the second section of outer tube and the third section of outer tube are sequentially increased.

The cross section of the first section of outer tube is arc melon seed shape, and the cross sections of the second section of outer tube and the third section of outer tube are round.

The operation portion comprises a gas-liquid channel communicated with the instrument channel, a first outlet of the gas-liquid channel is arranged on an extension line of the instrument channel, and a second outlet of the gas-liquid channel is positioned on one side, close to the outer tube, of the first outlet.

The operating part also comprises a water flow channel communicated with the instrument channel, and valves are arranged at two water flow inlets and outlets of the water flow channel.

The utility model discloses technical scheme has following advantage:

1. the utility model discloses an electronic ureteroscope, the female joint comprises an outer tube, have in the outer tube and follow the instrument passageway that outer tube length direction set up, the outer tube stretches into an internal tip for stretching into the end, the inscribed circle has in the cross section of instrument passageway, it is distolateral to have in the cross section of end to stretch into, the instrument passageway is located big distolateral department. The cross section area of the instrument channel is the largest in size of the cross section area of the extending end, medical instruments used in the instrument channel generally have fixed sizes and are generally circular, an inscribed circle is arranged in the cross section of the instrument channel, and the cross section of the instrument channel is correspondingly smaller when the area ratio of the inscribed circle to the cross section of the instrument channel is larger under the condition that the diameter of the inscribed circle is fixed; moreover, the instrument channel is positioned at the large end side, so that the cross section area of the outer tube is smaller, the outer tube is thinner, and the situations that the outer tube damages organs in the body and causes sequelae and the like are effectively reduced.

2. The utility model discloses an electron ureteroscope adopts the formation of image of electron camera, and the definition of formation of image is higher than optic fibre formation of image, and with low costs.

3. The utility model discloses an electron ureteroscope, the illumination end of electronic camera and illumination optic fibre mainly provides visual for the operation of electron ureteroscope, consequently, as long as electronic camera and illumination end satisfy the user demand can, need not occupy great space, with electronic camera and illumination end setting in the little distolateral of stretching into the end, can be corresponding reduce the cross-sectional area of stretching into the end for it is thinner to stretch into the end.

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 embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a perspective view of an electronic ureteroscope of the present invention;

FIG. 2 is a schematic view of a portion B of FIG. 1;

FIG. 3 is a schematic view of an enlarged view of a portion A of FIG. 1;

FIG. 4 is a schematic front view of part A of FIG. 3;

description of reference numerals:

1-an outer tube; 2-instrument channel; 3-extending in end; 4-inscribed circle; 5-the large end side; 6-an electronic camera; 7-an illumination end; 8-small end side; 9-a protruding end; 10-bump; 11-a first section of outer tube; 12-a second section of outer tube; 13-a third section of outer tube; 14-an operating part; 15-a first outlet; 16-a second outlet; 17-water inlet and outlet; 18-a lighting cable interface; 19-a valve; 20-operating handle.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The ureteroscope in this embodiment, as shown in fig. 1 to 4, includes an outer tube 1 and an operation portion 14 connected to the outer tube 1.

The outer tube 1 has multiple sections, which are a first section outer tube 11, a second section outer tube 12 and a third section outer tube 13 in sequence from far to near from the operating part 14, and the end part of the first section outer tube 11 far away from the second section outer tube 12 is the extending end 3. Because a part of the outer tube 1 needs to be inserted into the human body, and the smaller the size of the part inserted into the human body, the better, in this embodiment, the cross-sectional sizes of the first section outer tube 11, the second section outer tube 12 and the third section outer tube 13 are sequentially increased. The cross section of the first section of outer tube 11 is arc melon seed shape, and the cross sections of the second section of outer tube 12 and the third section of outer tube 13 are round. Namely, the cross section of the extending end 3 is arc-shaped melon seed.

The relatively wide side of the cross section of the extending end 3 is a large end side 5, and the relatively narrow side of the cross section of the extending end 3 is a small end side 8. The large end side 5 and the small end side 8 are connected smoothly, and the large end side 5 and the small end side 8 are large and small compared with each other. The small end side 8 extends outwards along the length direction of the outer tube 1 to form a protruding end 9, and the electronic camera 6 and the illumination end 7 are located on the protruding end 9. The side wall of the small end side 8 of the extending end 3, which is far away from the large end side 5, is provided with a smooth protrusion 10, and the height of the protrusion 10 gradually increases in the direction far away from the extending end 3.

The outer tube 1 is internally provided with an instrument channel 2 and an imaging channel which are arranged along the length direction of the outer tube 1. The instrument channel 2 is used for introducing surgical instruments, the instrument channel 2 is located at the large end side 5, and the cross section of the instrument channel 2 is provided with an inscribed circle 4. The imaging channel is used for leading in a conducting wire and an illuminating optical fiber of the electronic camera 6 and is arranged in parallel with the instrument channel 2, and the imaging channel is positioned at the small end side 8. And the conducting wire and the lighting optical fiber of the electronic camera 6 extend out of the outer tube 1 and then are communicated with the outside.

The end of the extending end 3 is provided with an electronic camera 6 and an illuminating end 7 of an illuminating optical fiber, and the illuminating end 7 of the illuminating optical fiber is close to the electronic camera 6 and provides illumination for the electronic camera 6. In this embodiment, as shown in fig. 3 and 4, the electronic camera 6 is square, and the illumination end 7 is disposed around the electronic camera 6. Of course, the electronic camera 6 may be rectangular, oval, circular, or the like.

The operation portion 14 includes an operation handle 20, the imaging passage, and an air-liquid passage water passage communicating with the instrument passage 2. The first outlet 15 of the gas-liquid channel is on the extension line of the instrument channel 2, and the second outlet 16 of the gas-liquid channel is positioned on one side of the first outlet 15 close to the outer tube 1. Valves 19 are arranged at the two water flow inlets and outlets 17 of the water flow channel, and the valves 19 can control the opening and closing, the flow rate and the like of liquid. As shown in fig. 2, in the present embodiment, a valve 19 is also provided at the second outlet 16 for controlling the water flow or the like in the gas-liquid passage. The wires and illumination fibers in the imaging channels extend out of the illumination cable interface 18 and are connected to corresponding operating equipment.

In this embodiment, the cross-sectional area of the instrument channel 2 of the electronic ureteroscope accounts for the largest dimension of the cross-sectional area of the extending end, the medical instrument used in the instrument channel 2 generally has a fixed dimension and is generally circular, an inscribed circle 4 is provided in the cross-section of the instrument channel 2, and when the area ratio of the inscribed circle 4 to the cross-section of the instrument channel 2 is the largest under the condition that the diameter of the inscribed circle 4 is fixed, the cross-section of the instrument channel 2 is correspondingly smaller; moreover, the instrument channel 2 is positioned at the large end side 5, so that the cross-sectional area of the outer tube 1 is smaller, the outer tube 1 is thinner, and the situations that the outer tube 1 damages organs in the body and causes sequelae and the like are effectively reduced. The electronic camera 6 is adopted for imaging, the imaging definition is higher than that of optical fiber imaging, and the cost is low.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides an electron ureteroscope, includes outer tube (1), have in outer tube (1) and follow instrument passageway (2) that outer tube (1) length direction set up, an internal tip of outer tube (1) stretching into is for stretching into end (3), its characterized in that, inscribed circle (4) have in the cross section of instrument passageway (2), it has big terminal side (5) in the cross section of end (3) to stretch into, instrument passageway (2) are located big terminal side (5) department.

2. The electronic ureteroscope according to claim 1, wherein an electronic camera (6) is further disposed at an end of the extending end (3), and a lead of the electronic camera (6) is disposed in the outer tube (1) and extends out of the outer tube (1) to communicate with the outside.

3. The e-ureteroscope according to claim 2, further comprising an illumination fiber disposed within the outer tube (1), wherein an illumination end (7) of the illumination fiber is disposed proximate to the electronic camera (6) to provide illumination to the electronic camera (6).

4. The electronic ureteroscope according to any one of claims 1-3, wherein the cross section of the extending end (3) is arc melon seed-shaped, the relatively wide side of the cross section of the extending end is a large end side (5), the relatively narrow side of the cross section of the extending end is a small end side (8), and the electronic camera (6) and the illumination end (7) of the illumination optical fiber are located on the small end side (8).

5. The e-ureteroscope according to claim 4, wherein the small end side (8) has a protruding end (9) extending outwards along the length of the outer tube (1), and the electronic camera (6) and the illumination end (7) are located on the protruding end (9).

6. The e-ureteroscope according to claim 4, characterized in that the small end side (8) of the insertion end (3) has smooth protrusions (10) on its side wall facing away from the large end side (5), the height of the protrusions (10) increasing in the direction facing away from the insertion end (3).

7. The electronic ureteroscope according to claim 4, wherein the outer tube (1) has multiple segments, and the first, second and third segments of outer tubes (1, 1) are arranged in sequence from far to near from the operation part (14), the end of the first segment of outer tube (1) far away from the second segment of outer tube (1) is the extending end (3), and the cross-sectional dimensions of the first, second and third segments of outer tubes (1) are increased in sequence.

8. The electronic ureteroscope according to claim 7, wherein the cross section of the first section of outer tube (1) is arc melon seed-shaped, and the cross sections of the second section of outer tube (1) and the third section of outer tube (1) are circular.

9. The e-ureteroscope according to claim 7, further comprising an operating portion (14) connected to the outer tube (1), wherein the operating portion (14) comprises a gas-liquid channel communicating with the instrument channel (2), wherein a first outlet (15) of the gas-liquid channel is located on an extension of the instrument channel (2), and wherein a second outlet (16) of the gas-liquid channel is located on a side of the first outlet (15) close to the outer tube (1).

10. The electronic ureteroscope according to claim 9, wherein the operation part (14) further comprises a water flow channel communicated with the instrument channel (2), and valves (19) are arranged at two water flow inlets and outlets (17) of the water flow channel.