CN209984188U

CN209984188U - Visual sheath placing mirror

Info

Publication number: CN209984188U
Application number: CN201920175794.3U
Authority: CN
Inventors: 蒋祥新
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2020-01-24
Anticipated expiration: 2029-01-31

Abstract

The utility model belongs to the technical field of medical appliances, in particular to a visual sheath placing mirror, which comprises a hard ureteroscope and a mirror sheath which are connected in a matching way; a connecting mechanism is arranged between the endoscope tube and the endoscope sheath; the appearance of the most part of the endoscope sheath is in a round tube shape, the head end is in a taper tube shape, the endoscope sheath cavity allows the endoscope tube to be completely placed in, and the head end is in seamless joint. After the endoscope sheath and the endoscope tube are locked, the endoscope sheath can be completely sleeved in the inner cavity of a common ureter soft endoscope sheath, the endoscope sheath is longer than the ureter soft endoscope sheath, and the head end of the endoscope sheath is in seamless fit with the head end of the ureter soft endoscope sheath. The beneficial effects are that: the utility model discloses have the function of traditional stereoplasm ureteroscope after taking off the mirror sheath for ureter and kidney disease's inspection, diagnosis and treatment. After the endoscope tube and the sheath tube are locked, the visual expansion function of the ureter mouth or ureter stenosis can be realized; can be sleeved into and matched with the inner cavity of the ureter soft lens sheath to realize the function of visual sheath placement.

Description

Visual sheath placing mirror

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to visual sheath mirror of putting.

Background

In soft ureteroscope lithotripsy, the use of a hard ureteroscope and a soft ureteroscope sheath is indispensable. Firstly, a hard ureteroscope is used for checking and primarily expanding a sick side ureter, then a flexible ureteroscope sheath (also called flexible ureteroscope conveying sheath) is arranged along a guide wire, and after the flexible ureteroscope sheath is successfully arranged, a flexible ureteroscope is arranged along the flexible ureteroscope sheath to finish the lithotripsy treatment.

The insertion of the ureter soft lens sheath is obstructed due to the stenosis or tortuosity of the ureter, and in this case, the ideal method is to perform the visible expansion of the ureter and to visually insert the ureter soft lens sheath, so as to improve the safety and success rate of the operation. The structure of the prior ureter soft endoscope sheath is composed of a sheath tube and an expansion rod, and the prior ureter soft endoscope sheath does not have the functions of visual expansion and visual implantation.

The ureteroscope tube of the hard ureteroscope adopts a multi-section structural design with a thin head section and a thick rear section, and has the unique advantages of simple manufacturing process, firmness, durability and easiness in endoscope entering, but the flexible ureteroscope sheath is in a circular tube shape, the working length and the outer diameter of the flexible ureteroscope sheath are not matched, and the flexible ureteroscope sheath cannot be matched to meet the clinical requirement of visual sheath placement.

SUMMERY OF THE UTILITY MODEL

In order to remedy the defects of the prior art, the utility model aims to provide a technical scheme that not only remains traditional stereoplasm ureteroscope design advantage and function, but also makes it possess and can match the use with current ureteroscope sheath, realizes the visual novel stereoplasm ureteroscope who puts the sheath function.

The visual sheath placing mirror is characterized by comprising a hard ureteroscope, a mirror sheath and a connecting mechanism between the hard ureteroscope and the mirror sheath, wherein the mirror sheath is sleeved outside a mirror tube of the hard ureteroscope, the head end of the mirror sheath is in a conical tube shape, the mirror sheath allows the mirror tube to be completely placed in, the head ends of the mirror sheath and the mirror tube to be attached in a seamless mode, the appearance of the rear portion of the mirror sheath is in a round tube shape, and the mirror sheath can be attached to the head end of a flexible ureteroscope sheath in a seamless mode after being sleeved into an inner cavity of.

The visual sheath placing mirror is characterized in that the connecting mechanism comprises a connecting upper part, a connecting lower part and a connecting cap, and the connecting mechanism is arranged at the tail part of the mirror sheath and the tail part of the mirror tube and used for locking or detaching the mirror sheath and the mirror tube.

The visual sheath placing mirror is characterized in that the mirror sheath adopts a two-section structure and comprises a front-section mirror sheath and a rear-section mirror sheath, and connecting mechanisms are respectively arranged between the tail part of the front-section mirror sheath and the head part of the rear-section mirror sheath and between the tail part of the rear-section mirror sheath and the starting part of a mirror tube; the front section sheath is longer than the female ureter soft sheath, and the head ends of the front section sheath and the female ureter soft sheath are seamlessly jointed after the front section sheath is sleeved.

The beneficial effects of utility model are that: a, after the sheath is detached, the utility model has the function of the traditional hard ureteroscope and is used for the examination, diagnosis and treatment of ureter and kidney diseases; b, after the endoscope tube and the endoscope sheath are locked, the diameter of the endoscope tube is increased, and the visual expansion function of ureter orifice or ureter stenosis can be realized; c, the utility model discloses the mirror tube can embolia ureter soft lens sheath inner chamber and match with it after locking with the mirror sheath, realizes the visual sheath function of putting.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is an exploded view of the structure of example 1;

FIG. 3 is a schematic view showing a connecting structure of a connecting lower part and a connecting cap in embodiment 1;

FIG. 4 is a schematic structural view of example 2;

FIG. 5 is an exploded view of the preferred embodiment 2;

FIG. 6 is an exploded view of a connecting mechanism in embodiment 2;

in the figure: 1 hard ureteroscope, 11 scope pipes, 2 scope sheaths, 3 connecting mechanisms, 3A first connecting mechanism, 3B second connecting mechanism, 31 connecting upper part, 32 connecting lower part, 33 connecting caps, 311 annular groove, 312 clamping protrusions, 321 transverse sliding grooves, 322 holes, 323 hole bolts, 324 clamping grooves, 331 pulling pins, 332 sliding ways, 4 front section scope sheaths and 5 rear section scope sheaths.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Example 1

As shown in fig. 1-3, a visual sheath placing mirror comprises a hard ureteroscope 1 and a mirror sheath 2 which are connected in a matching way, wherein the hard ureteroscope 1 is made of a known structure and material; a connecting mechanism 3 for locking or releasing between the tail part of the sheath 2 and the tail part of the tube 11 is arranged between the two. The endoscope tube 11 is longer than the endoscope sheath 2, the endoscope tube 11 is 520mm long, the head end is thin, the tail end is thick, the endoscope sheath 2 is 510 mm long, the rear part of the endoscope sheath 2 is in a circular tube shape, 490mm long, the outer diameter is F11.5, the head end is in a tapered cone shape, 20mm long, and the endoscope tube 11 is allowed to be completely placed in the inner cavity of the endoscope sheath 2 and the head end is in seamless fit. After the endoscope sheath 2 is locked with the endoscope tube 11, the endoscope sheath can be completely sleeved in the inner cavity of a common F14/12 flexible ureteroscope sheath, the working length of the flexible ureteroscope sheath is about 450mm, the tail length is about 30mm, the total length is about 480mm, the endoscope sheath is longer than the flexible ureteroscope sheath, and the head end of the endoscope sheath is in seamless fit with the head end of the flexible ureteroscope sheath.

The connecting mechanism 3 is a known structure in the art, and comprises a connecting upper portion 31 arranged at the beginning of the endoscope tube 11, a connecting lower portion 32 arranged at the tail of the endoscope sheath 2, and a connecting cap 33, wherein the connecting upper portion 31 is provided with an annular groove 311 and a clamping protrusion 312, the outer wall of the connecting lower portion 32 is provided with a transverse sliding groove 321 with a diameter less than a quarter of the circumference, two holes 322 penetrating through the tube wall are symmetrically arranged at the adjacent position of the transverse sliding groove 321 relative to the axis of the connecting lower portion 32, the bottom of the hole bolt 323 is a spherical surface with a wide bottom and a narrow top, the spherical surface can be inwards placed into and exposed out of the inner cavity from the outer side opening of the hole 322, the opening end of the tube wall of the connecting lower portion 32 is provided with a clamping groove 324, and the; a pull pin 331 is arranged on the side wall of the connecting cap 33, and the pull pin 331 can extend into the transverse sliding groove 321 and can fixedly connect the lower part 32 and the connecting cap 33; the inner side surface of the connecting cap 33 is symmetrically provided with slide ways 332 lower than the inner side surface, and the length of each slide way 332 is smaller than the inner circumference 1/4 of the connecting cap 33; when the connecting cap 33 is sleeved on the connecting lower part 32, the slide 332 has a space reserved for the hole bolt 323 to move. When the pull pin 331 is in the release position, the two hole bolt 323 pairs are positioned on the two slide ways 332, the connecting upper part 31 is placed in the connecting lower part 32, the clamping protrusion 312 is matched with the clamping groove 324 to limit the rotation of the connecting upper part 31 and the connecting lower part, and meanwhile, the connecting upper part 31 extrudes the hole bolt 323 to partially retreat into the slide ways 332; the pulling pin 331 is pulled to rotate the connecting cap 33, the slide way 332 on the inner side surface of the connecting cap 33 is correspondingly shifted, and meanwhile, the extrusion hole bolt 323 is partially inserted into the annular groove 311, so that the endoscope tube 11 and the endoscope sheath 2 can be locked; the pull pin 331 is pulled reversely to release the tube 11 and sheath 2.

Example 2

As shown in fig. 4 to 6, in this embodiment, based on embodiment 1, the sheath 2 is a two-segment structure as a female-dedicated sheath. The special female endoscope sheath comprises a front section endoscope sheath 4 and a rear section endoscope sheath 5, the tail of an endoscope tube 11 is connected with the tail of the rear section endoscope sheath 5 through a first connecting mechanism 3A, and the tail of the front section endoscope sheath 4 is connected with the head of the rear section endoscope sheath 5 through a second connecting mechanism 3B. Specifically, the hard ureteroscope 1 and the front section of the rear section scope sheath 5 are provided with a connecting upper part 31, and the tail end of the rear section scope sheath 5 and the tail end of the front section scope sheath 4 are provided with a connecting lower part 32.

The sheath 2 and the connecting mechanism 3 are made of high-quality medical stainless steel or medical plastic.

Claims

1. The utility model provides a visual sheath mirror of putting, its characterized in that structure includes stereoplasm ureteroscope (1), mirror sheath (2) and coupling mechanism (3) between the two, mirror sheath (2) overcoat is outside mirror tube (11) of stereoplasm ureteroscope (1), mirror sheath (2) head end is the taper pipe form, mirror sheath (2) allow mirror tube (11) to put into completely and both head ends seamless laminating, mirror sheath (2) rear portion outward appearance is the pipe form, can seamless laminating with ureter soft mirror sheath head end after emboliaing ureteroscope soft mirror sheath inner chamber.

2. A visual sheath endoscope according to claim 1, characterized in that the connecting mechanism (3) comprises a connecting upper part (31), a connecting lower part (32) and a connecting cap (33), the connecting mechanism (3) is arranged at the tail part of the endoscope sheath (2) and the tail part of the endoscope tube (11) for locking or releasing between the two.

3. A visual sheath endoscope according to claim 1, characterized in that the endoscope sheath (2) adopts a two-section structure, and comprises a front section endoscope sheath (4) and a rear section endoscope sheath (5), and connecting mechanisms (3) are respectively arranged between the tail part of the front section endoscope sheath (4) and the head part of the rear section endoscope sheath (5), and between the tail part of the rear section endoscope sheath (5) and the starting part of the endoscope tube (11); the front section sheath (4) is longer than the female ureter soft sheath, and the head ends of the front section sheath and the female ureter soft sheath are seamlessly jointed after the front section sheath is sleeved.