CN213430520U

CN213430520U - Medical ureteroscope

Info

Publication number: CN213430520U
Application number: CN202021968755.8U
Authority: CN
Inventors: 李新远
Original assignee: Anhui Tuofan Endoscope Service Co ltd
Current assignee: Anhui Tuofan Endoscope Service Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-06-15
Anticipated expiration: 2030-09-10

Abstract

The utility model relates to a medical ureteroscope. The medical ureteroscope comprises an inner sheath, wherein a scope placing cavity is arranged in the inner sheath, the inner sheath is wrapped on the surface of a ureteroscope body, a lens of the ureteroscope penetrates out of the inner sheath, an elastic sleeve is arranged on the surface of the outer wall of the inner sheath, a cavity is formed between the elastic sleeve and the inner sheath, the cavity is connected with an air pipe, and the air pipe penetrates out of the end position of the inner sheath; the cavity is expanded, and the surface of the elastic sleeve is in close contact with the inner surface of the outer sheath; this medical ureteroscope, simple structure, convenient operation uses in a flexible way, helps cooperating the ureteroscope use, convenient to popularize and use.

Description

Medical ureteroscope

Technical Field

The utility model belongs to the technical field of the hard mirror of ureter, concretely relates to medical hard mirror of ureter.

Background

The ureteroscope is generally used together with a flexible ureteroscope sheath (also called flexible ureteroscope delivery sheath) which is a necessary auxiliary instrument in flexible ureteroscope holmium laser lithotripsy. The ureter soft endoscope sheath can be blocked due to the stenosis or tortuosity of the ureter in the process of being placed, in this situation, the ideal method is to visually expand the ureter and visually place the ureter soft endoscope sheath so as to improve the safety and the success rate of the operation, and the existing ureter soft endoscope sheath is composed of a single sheath tube and an expansion rod, so that the clinical requirements of visual expansion and visual placement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a medical ureteroscope with simple structure and reasonable design for solving the problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a medical ureteroscope comprises an inner sheath, wherein a scope placing cavity is arranged inside the inner sheath, the inner sheath is wrapped on the surface of a ureteroscope body, a lens of the ureteroscope penetrates out of the inner sheath, an elastic sleeve is arranged on the surface of the outer wall of the inner sheath, a cavity is formed between the elastic sleeve and the inner sheath, the cavity is connected with a gas pipe, and the gas pipe penetrates out of the end position of the inner sheath; the medical instrument further comprises an outer sheath, wherein the inner sheath is positioned inside the outer sheath, one end of the inner sheath penetrates out of one end of the outer sheath, and when the cavity is expanded, the surface of the elastic sleeve is in close contact with the inner surface of the outer sheath.

As a further optimization scheme of the utility model, the elastic sleeve is flexible plastic or elastic rubber bag.

As a further optimization scheme of the utility model, the internal surface of inner sheath is provided with the elastic component, the elastic component forms gradual change section and limited section.

As a further optimization scheme of the utility model, the end of limiting section is the toper structure.

As a further optimization scheme of the utility model, the outer board of following of end position fixedly connected with of epitheca, the interior board of following of end position fixedly connected with of interior sheath, interior board embedding of following is in the surface of outer board.

As a further optimization scheme of the utility model, the surface of sheath and inner sheath all sets up hydrophilic coating.

The beneficial effects of the utility model reside in that: the utility model is provided with the outer sheath and the inner sheath, when the outer sheath, the inner sheath and the ureteroscope are suitable, the cavity is not inflated firstly, the outer wall of the whole inner sheath can be easily inserted into the outer sheath, after the insertion, the cavity is inflated through the air pipe, so that the elastic sleeve is expanded, the outer sheath is fully contacted with the inner sheath, and the outer sheath is attached to the inner sheath in a seamless way, thereby ensuring the quick installation of the outer sheath and the inner sheath, reducing the difficulty of placing the sheath pipe, and improving the operation safety and the success rate of the first-stage operation; whole device simple structure, convenient operation uses in a flexible way, helps cooperating the hard mirror use of ureter, convenient to popularize and use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the outer sheath and inner sheath of the present invention;

fig. 3 is a schematic structural view of the inner sheath of the present invention.

In the figure: 1. an outer sheath; 2. an inner sheath; 3. an outer edge plate; 4. an inner edge plate; 5. a transition section; 6. defining a segment; 7. placing a lens cavity; 8. an elastic sleeve; 9. the trachea.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

As shown in fig. 1-3, a medical ureteroscope comprises an inner sheath 2, wherein a scope placing cavity 7 is arranged inside the inner sheath 2, the inner sheath 2 is wrapped on the surface of a ureteroscope body, a lens of the ureteroscope penetrates out of the inner sheath 2, an elastic sleeve 8 is arranged on the surface of the outer wall of the inner sheath 2, a cavity is formed between the elastic sleeve 8 and the inner sheath 2, the cavity is connected with a trachea 9, and the trachea 9 penetrates out of the end position of the inner sheath 2; the medical endoscope sheath also comprises an outer sheath 1, wherein the inner sheath 2 is positioned inside the outer sheath 1, one end of the inner sheath 2 penetrates out of one end of the outer sheath 1, and when the cavity is expanded, the surface of the elastic sleeve 8 is tightly contacted with the inner surface of the outer sheath 1.

The elastic sleeve 8 is a flexible plastic or elastic rubber bag; in the present embodiment, the inner sheath 2 may be designed as follows: the inner surface of the inner sheath 2 is provided with an elastic part which can improve the adaptability of the inner sheath 2 and the tube body, and the elastic part forms a gradual change section 5 and a limiting section 6 to facilitate the insertion of the ureteroscope; the end of the limiting section 6 is in a conical structure; the end position of the outer sheath 1 is fixedly connected with an outer edge plate 3, the end position of the inner sheath 2 is fixedly connected with an inner edge plate 4, and the inner edge plate 4 is embedded into the surface of the outer edge plate 3; the outer surfaces of the outer sheath 1 and the inner sheath 2 are both provided with hydrophilic coatings.

When the medical ureteroscope is used, the tube wall of the outer sheath 1 is made of medical high polymer materials and consists of an inner wall layer and an outer wall layer, and a spiral fine steel wire is arranged between the inner wall layer and the outer wall layer to enhance the stability of the inner cavity of the outer sheath 1; the outer edge plate 3 can be made of hard medical materials as an independent part and is bonded and fixed with the tail part of the sheath 1 by medical glue; in practical use, a patient is firstly anesthetized, a lithotomy position is taken, the ureter hard mirror is inserted into the bladder from the urethra under direct vision, the guide wire guides the ureter hard mirror to the affected side ureter and the renal pelvis, the examination and the primary expansion of the affected side ureter are completed, and the ureter hard mirror is withdrawn. If the affected ureter has local stenosis, the ureteroscope is completely sleeved into the inner sheath 2, the ureteroscope and the inner sheath 2 are placed into the renal calyx from the external orifice of the urethra under the direct vision of the guide wire, the visible affected ureter is expanded again, the ureteroscope and the inner sheath 2 are slowly and synchronously withdrawn, the outer sheath 1, the inner sheath 2 and the ureteroscope are assembled, the guide wire is synchronously placed into the renal pelvis from the external orifice of the urethra under the vision, the outer sheath 1 is fixed and reserved, and the inner sheath 2 and the ureteroscope are synchronously withdrawn; and (3) placing the flexible ureteroscope from the sheath 1 to complete holmium laser lithotripsy. If the affected ureter has no local stenosis, directly matching the outer sheath 1, the inner sheath 2 and the ureteral hard lens, directly viewing from the urethral orifice to the renal calyx along the guide wire, keeping the outer sheath 1, synchronously withdrawing the inner sheath 2 and the ureteral hard lens, and placing the ureteral soft lens from the outer sheath 1 to finish holmium laser lithotripsy; when the outer sheath 1, the inner sheath 2 and the ureteroscope are suitable, air is not filled into the cavity at first, the outer wall of the whole inner sheath 2 can be easily inserted into the outer sheath 1, after the insertion, the air is filled into the cavity through the air pipe 9, the elastic sleeve 8 is expanded, the outer sheath 1 is fully contacted with the inner sheath 2, and the sheath is attached without seams, so that the quick installation of the outer sheath 1 and the inner sheath 2 is ensured, the sheath pipe embedding difficulty is reduced, the operation safety and the first-stage operation success rate are improved.

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.

Claims

1. The medical ureteroscope is characterized by comprising an inner sheath (2), wherein a scope placing cavity (7) is arranged inside the inner sheath (2), the inner sheath (2) is wrapped on the surface of a ureteroscope body, a lens of the ureteroscope penetrates out of the inner sheath (2), an elastic sleeve (8) is arranged on the surface of the outer wall of the inner sheath (2), a cavity is formed between the elastic sleeve (8) and the inner sheath (2), the cavity is connected with a gas pipe (9), and the gas pipe (9) penetrates out of the end position of the inner sheath (2); the medical instrument further comprises an outer sheath (1), the inner sheath (2) is located inside the outer sheath (1), one end of the inner sheath (2) penetrates out of one end of the outer sheath (1), and when the cavity is expanded, the surface of the elastic sleeve (8) is in close contact with the inner surface of the outer sheath (1).

2. The medical ureteroscope according to claim 1, wherein: the elastic sleeve (8) is a flexible plastic or elastic rubber bag.

3. The medical ureteroscope according to claim 2, wherein: the inner surface of the inner sheath (2) is provided with an elastic piece which forms a transition section (5) and a limiting section (6).

4. The medical ureteroscope according to claim 3, wherein: the limiting section (6) is in a conical structure at the tail end.

5. The medical ureteroscope according to claim 2, wherein: the end position of the outer sheath (1) is fixedly connected with an outer edge plate (3), the end position of the inner sheath (2) is fixedly connected with an inner edge plate (4), and the inner edge plate (4) is embedded into the surface of the outer edge plate (3).

6. The medical ureteroscope according to claim 2, wherein: the outer surfaces of the outer sheath (1) and the inner sheath (2) are both provided with hydrophilic coatings.