CN211408991U

CN211408991U - Gastroscope tube sheath

Info

Publication number: CN211408991U
Application number: CN201922126797.0U
Authority: CN
Inventors: 周锐; 陈洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-09-04
Anticipated expiration: 2029-12-02

Abstract

The embodiment of the utility model provides a gastroscope tube sheath, which relates to the field of medical apparatus and instruments and comprises a main body part, wherein the main body part is provided with a first end surface and a second end surface which are oppositely arranged in the length extending direction; a water-gas channel and a camera channel are arranged in the main body part, and both the water-gas channel and the camera channel simultaneously penetrate through the first end face and the second end face; the first end face is provided with a first opening, and the first opening is communicated with the camera channel through a second opening formed in the inner wall face of the first opening. The embodiment of the utility model provides a through set up first trompil on the first terminal surface of main part to communicate through the second trompil between first trompil and the camera passageway, provide and use tweezers or other instrument to extract the passageway of operation to the camera, compare the current structure that only can penetrate the camera from the second terminal surface, can greatly reduced the assembly degree of difficulty between camera and the gastroscope tube sheath, and then improve assembly efficiency.

Description

Gastroscope tube sheath

Technical Field

The utility model relates to the field of medical equipment, specifically, relate to a gastroscope tube sheath, especially a disposable gastroscope tube sheath.

Background

Gastroscopes are instruments used in medical examinations. It is inserted into the stomach by means of a thin and flexible tube, and the doctor can directly observe the pathological changes of esophagus, stomach and duodenum. The existing gastroscope is generally of an integrated structure, namely a camera, a water-gas channel for cleaning the camera and the like are integrated in a hose. In order to avoid cross infection, the gastroscope needs to be cleaned and disinfected after use, but because the water-gas channel is of a slender structure, the sufficient cleaning and disinfection are difficult to ensure.

For solving above-mentioned problem, also having the disposable tube sheath structure of seting up aqueous vapor passageway and camera mounting hole among the prior art, but for guaranteeing to assemble comparatively reliably between tube sheath and the camera, the end of camera mounting hole generally need carry out transition fit or interference fit with the camera, because the camera is the long and thin structure that has the flexibility, hardly directly wear out the camera from the end of camera mounting hole, and the assembly degree of difficulty is great.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims at providing a gastroscope tube sheath for solve current tube sheath when assembling with the camera, the great problem of the assembly degree of difficulty.

The gastroscope tube sheath provided by the utility model comprises a main body part, wherein the main body part is provided with a first end surface and a second end surface which are oppositely arranged in the length extending direction; a water-gas channel and a camera channel are arranged in the main body part, and both the water-gas channel and the camera channel simultaneously penetrate through the first end face and the second end face;

the first end face is provided with a first opening, and the first opening is communicated with the camera channel through a second opening formed in the inner wall face of the first opening.

Optionally, a blowing hood is arranged on the first end face, an accommodating space is arranged in the blowing hood, and the accommodating space is communicated with the water-gas channel through a first opening arranged on the blowing hood and is communicated with an external space through a second opening arranged on the blowing hood;

the second opening faces the position of the camera channel.

Optionally, the area of the first opening is larger than the area of the second opening.

Optionally, a surgical instrument channel is further disposed in the main body portion, and the surgical instrument channel simultaneously penetrates through the first end face and the second end face.

Optionally, the water gas channel and the surgical instrument channel are respectively located on two sides of the camera channel in the radial direction.

Optionally, an administration channel is further disposed in the main body portion, one end of the administration channel penetrates through the second end face, and the other end of the administration channel penetrates through the first end face or a circumferential outer wall of the main body portion.

Optionally, the administration channel comprises a first channel extending along the length direction of the body part and a second channel extending along the radial direction of the body part, and the first channel and the second channel are communicated with each other;

the cross section of the second channel is in a fan shape.

Optionally, an illumination channel is further disposed on the main body portion, and the illumination channel is disposed adjacent to the camera channel.

Optionally, the first end surface is in smooth transition with a circumferential outer wall of the main body portion.

Compared with the prior art, the utility model discloses following beneficial effect has:

the embodiment of the utility model provides a through set up first trompil on the first terminal surface of main part to communicate through the second trompil between first trompil and the camera passageway, provide and use tweezers or other instrument to extract the passageway of operation to the camera, compare the current structure that only can penetrate the camera from the second terminal surface, can greatly reduced the assembly degree of difficulty between camera and the gastroscope tube sheath, and then improve assembly efficiency.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of a downward-looking three-dimensional structure of a gastroscope sheath according to an embodiment of the present invention;

FIG. 2 is a schematic view of another downward-looking perspective structure of a gastroscopic sheath according to an embodiment of the present invention;

FIG. 3 is a front view of a gastroscopic sheath according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a gastroscopic sheath in elevation A-A according to an embodiment of the present invention;

FIG. 5 is a top view of a gastroscopic sheath provided in accordance with an embodiment of the present invention;

fig. 6 is a schematic sectional view of the gastroscope sheath in a top view B-B direction according to the embodiment of the present invention.

The figures show that: the device comprises a main body part 10, a first end surface 11, a second end surface 12, a camera channel 20, a first opening 21, a second opening 22, a water gas channel 30, an air blowing cover 31, a surgical instrument channel 40, a drug administration channel 50, a first channel 51 and a second channel 52.

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 and 4, a gastroscopic sheath provided by an embodiment of the present invention includes a main body 10, wherein the main body 10 has a first end surface 11 and a second end surface 12 which are oppositely arranged in a length extending direction; a water-air channel 30 and a camera channel 20 are arranged in the main body part 10, and both the water-air channel 30 and the camera channel 20 penetrate through the first end surface 11 and the second end surface 12; the first end surface 11 is provided with a first opening 21, and the first opening 21 is communicated with the camera channel 20 through a second opening 22 arranged on the inner wall surface of the first opening 21.

It will be understood that the first end surface 11 of the main body 10 is the end surface that extends into the examination site during use, and the second end surface 12 is the end surface of the operator's manipulation end. The first opening 21 is opened on the first end surface 11 and has a certain depth, and the second opening 22 is located on the inner wall surface of the first opening 21 and may not directly penetrate through the first end surface 11, that is, there may be a certain distance between the inner wall surface of the second opening 22 and the first end surface 11. The camera channel 20 is used for inserting a camera. In the process of assembling the camera to the camera channel 20, the camera penetrates from the second end surface 12 and reaches the position of the second opening 22, the camera can be exposed in the sight of a doctor through the second opening 22 and the first opening 21, the camera can be clamped through the second opening 22 by tweezers or other tools, and the camera is pulled out towards the opening of the camera channel 20 on the first end surface 11.

The embodiment of the utility model provides a through set up first trompil on first terminal surface to communicate through the second trompil between first trompil and the camera passageway, provide and use tweezers or other instruments to extract the passageway of operation to the camera, compare the current structure that only can penetrate the camera from the second terminal surface, greatly reduced the assembly degree of difficulty between camera and the gastroscope tube sheath, and then improved assembly efficiency.

Furthermore, the embodiment of the utility model provides a gastroscope tube sheath can directly abandon after using with the camera separation, need not to carry out cleaning and disinfection to long and thin aqueous vapor passageway, and the camera is because self can not have the opening, washs and the degree of difficulty of disinfection and reuse lower, has so both realized the cyclic utilization of the higher camera of valuables degree, has saved again and has carried out cleaning and disinfection's operation to long and thin aqueous vapor passageway etc. has effectively improved the work efficiency that the gastroscope used.

Optionally, the projection of the second opening in the depth extending direction is rectangular, so that the camera can be conveniently pulled out by using tweezers and the like.

Optionally, as shown in fig. 1 to fig. 3, a blowing hood 31 is disposed on the first end surface 11, and the blowing hood 31 has a receiving space therein, and the receiving space is communicated with the water gas channel 30 through a first opening disposed on the blowing hood 31 and is communicated with an external space through a second opening disposed on the blowing hood 31; the second opening is directed towards the location of the camera channel 20.

Can let in the aqueous vapor passageway 30, the cover 31 of blowing is used for leading the aqueous vapor, specifically, the aqueous vapor is located the opening blowout on the first terminal surface 11 from aqueous vapor passageway 30, enters into the accommodation space through first opening to from the second opening blowout, the second opening towards camera passageway 20 position, in practical application, the aqueous vapor can wash the camera, avoids the camera to shelter from by stomach material, improves the definition of making a video recording.

The first opening is greater than the second opening for aqueous vapor can have higher speed when spouting, improves the washing effect to the camera. Optionally, the outer surface of the blow-up cover 31 is a curved surface to avoid scratching the patient during use.

Optionally, as shown in fig. 1 to 6, a surgical instrument channel 40 is further disposed in the main body portion 10, and the surgical instrument channel 40 penetrates through both the first end surface 11 and the second end surface 12.

In practice, the gastroscope may not only be used for examination, but also may require surgical operation, and the surgical instrument channel 40 is arranged to facilitate the insertion of the surgical instrument of the surgical forceps and improve the adaptation range of the gastroscope tube sheath.

Optionally, as shown in fig. 4, the water gas channel 30 and the surgical instrument channel 40 are respectively located at two sides of the camera channel 20 in the radial direction.

In an alternative embodiment, the camera channel 20 is centrally located in the cross-section of the main body portion 10 to facilitate viewing by rotating the camera during use. Meanwhile, the influence of moisture on the position and the action of the surgical instrument observed by the camera is reduced.

Optionally, as shown in fig. 2 to 4, an administration channel 50 is further provided in the main body portion 10, one end of the administration channel 50 penetrates through the second end face 12, and the other end of the administration channel 50 penetrates through the first end face 11 or a circumferential outer wall of the main body portion 10.

Since the insertion of the gastroscope sheath from the mouth into the stomach may cause a conditionally reflective action of vomiting by the patient, when the gastroscope sheath is inserted to a certain depth, anesthesia can be delivered through the administration channel 50 to perform local anesthesia on the oropharyngeal site. Of course, the administration channel 50 may be used for direct administration to the stomach after insertion of the gastroscopic sheath into the stomach.

Alternatively, as shown in fig. 4, the administration channel 50 includes a first channel 51 extending along the length direction of the body 10 and a second channel 52 extending along the radial direction of the body 10, and the first channel 51 and the second channel 52 are communicated with each other; the cross-sectional shape of the second channel 52 is a sector.

In this embodiment, the outlet of the administration path 50 is located on the circumferential wall surface of the main body 10 and is fanned out to enlarge the administration area, which is relatively suitable for administration anesthesia to the oropharyngeal site.

Optionally, an illumination channel is further disposed on the main body portion 10, and the illumination channel is disposed adjacent to the camera channel 20.

The existing camera can be a simple camera or a camera integrated with a lighting lamp; in order to facilitate the use of the camera head without the illumination lamp, an illumination channel (not shown) for the illumination lamp to penetrate is provided on the main body portion 10 in the present embodiment, so as to expand the range of use of the gastroscope sheath.

Optionally, the first end surface 11 and the circumferential outer wall of the main body portion 10 are in smooth transition, and due to the arrangement of the smooth outer surface, the patient is effectively prevented from being scratched in the using process of the gastroscope tube sheath.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. A gastroscopic sheath comprising a main body portion (10), said main body portion (10) having a first end face (11) and a second end face (12) which are oppositely disposed in a length extending direction; a water-air channel (30) and a camera channel (20) are arranged in the main body part (10), and both the water-air channel (30) and the camera channel (20) penetrate through the first end face (11) and the second end face (12) simultaneously;

the first end face (11) is provided with a first opening (21), and the first opening (21) is communicated with the camera channel (20) through a second opening (22) formed in the inner wall face of the first opening.

2. The gastroscopic sheath according to claim 1, characterized in that the first end face (11) is provided with an air blowing hood (31), the air blowing hood (31) having a receiving space therein, the receiving space communicating with the water gas channel (30) through a first opening provided on the air blowing hood (31) and communicating with the external space through a second opening provided on the air blowing hood (31);

the second opening faces the position of the camera channel (20).

3. The gastroscopic sheath of claim 2 in which the area of the first opening is greater than the area of the second opening.

4. Gastroscopic sheath according to claim 1, characterized in that a surgical instrument channel (40) is also provided in the main body portion (10), said surgical instrument channel (40) penetrating both the first end face (11) and the second end face (12).

5. Gastroscopic sheath according to claim 4, in which the water gas channel (30) and the surgical instrument channel (40) are located on either radial side of the camera channel (20).

6. Gastroscopic sheath according to claim 1, characterized in that the body part (10) is also provided with an administration channel (50), one end of the administration channel (50) passing through the second end face (12) and the other end of the administration channel (50) passing through the first end face (11) or through the circumferential outer wall of the body part (10).

7. The gastroscopic sheath according to claim 6, wherein the administration channel (50) includes a first channel (51) extending in the lengthwise direction of the body portion (10) and a second channel (52) extending in the radial direction of the body portion (10), the first channel (51) and the second channel (52) communicating with each other;

the second channel (52) has a fan-shaped cross-sectional shape.

8. Gastroscopic sheath according to claim 1, in which the main body part (10) is also provided with an illumination channel arranged adjacent to the camera channel (20).

9. Gastroscopic sheath according to claim 1, characterized by a smooth transition between the first end face (11) and the circumferential outer wall of the body part (10).