CN217885986U

CN217885986U - Sectional type endoscope insertion tube

Info

Publication number: CN217885986U
Application number: CN202221589954.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Shanghai Laiyin Precision Pipe Co ltd
Current assignee: Shanghai Laiyin Precision Pipe Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-11-25
Anticipated expiration: 2032-06-24

Abstract

The utility model belongs to the field of medical instruments, relates to the field of endoscopes, and particularly relates to a sectional endoscope insertion tube which comprises a distal section tube body connected with the end part of an endoscope head, a proximal section tube body connected with an endoscope operation part and a connecting ring; the far-end section pipe body and the near-end section pipe body sequentially comprise a spiral spring pipe, a woven net pipe and a wrapping layer from inside to outside; the distal section pipe body and the proximal section pipe body are connected into a whole through a connecting ring. The distal section tube body and the proximal section tube body are connected into a two-section structure through the connecting ring, so that the hardness of the distal end or the middle section of the insertion tube is improved, and the good insertion property and guidance property of the insertion tube are ensured; meanwhile, the insertion section can be smoothly pushed by using smaller force, the time for the laparoscope to enter the target part is reduced, and the risk of secondary injury of a patient is reduced.

Description

Sectional type endoscope insertion tube

Technical Field

The utility model discloses a belong to the medical instrument field, relate to the endoscope field, specifically are sectional type endoscope insert tube.

Background

The soft laparoscope technology is a minimally invasive operation, which enables doctors to clearly see the conditions of tissues and organs in pelvic cavities and abdominal cavities, can quickly and definitely diagnose and can carry out necessary operation treatment under the laparoscope. The advantages of small wound, light pain, quick recovery and the like are a surgical project which develops rapidly in recent years. The soft laparoscope comprises an operation part, an insertion part and a head end part, wherein the insertion part of the existing soft laparoscope adopts a one-section structure, so that the front end or the middle section of an insertion tube is softer, when a doctor uses the soft laparoscope, the doctor usually needs to spend a longer time to enter a target part because a pore passage of a human body internal tissue organ cavity is relatively smaller, and meanwhile, the doctor needs larger thrust to push the insertion section, so that secondary injury of a patient is easily caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a sectional type endoscope insertion tube.

The utility model provides a technical scheme that its technical problem adopted is:

a sectional endoscope insertion tube comprises a distal section tube body connected with the end part of an endoscope head, a proximal section tube body connected with an endoscope operation part and a connecting ring; the far-end section pipe body and the near-end section pipe body sequentially comprise a spiral spring pipe, a woven net pipe and a wrapping layer from inside to outside; the distal section tube and the proximal section tube are connected into a whole through a connecting ring.

Furthermore, the spiral spring pipe is provided with slits, and the thread pitches between the slits are equal.

Further, the material of the woven mesh tube is one of stainless steel, nickel titanium or light alloy.

Furthermore, the wrapping layer is made of one of fluororesin, polyurethane, polyvinyl chloride, polysulfone or polyamide.

Furthermore, one end of the connecting ring is provided with a first connecting ring groove, and the other end of the connecting ring is provided with a second connecting ring groove; the first connecting ring groove is sleeved with the far-end section pipe body, and the second connecting ring groove is sleeved with the near-end section pipe body.

Further, the distal section tube body, the proximal section tube body and the connecting ring are fixed through gluing or welding.

Further, the connecting ring is made of hard metal materials, and is specifically made of one of stainless steel, nickel titanium or light alloy.

Further, the inner diameter of the connecting ring is equal to the inner diameters of the distal section tube and the proximal section tube.

The utility model has the advantages that:

the utility model provides a sectional endoscope insertion tube, which is provided with a connecting ring to connect a distal section tube body and a proximal section tube body into a two-section structure, compared with the insertion tube of the traditional integrated structure, the hardness of the distal end or the middle section of the insertion tube is improved, and the transmission of the forward thrust of the front end or the middle section of the insertion tube is ensured, thereby providing good insertability and guidance for a soft laparoscope; meanwhile, a doctor can ensure that the insertion section is smoothly pushed by using smaller force, so that the time for the laparoscope to enter a target part is shortened, and the risk of secondary injury of a patient is reduced.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural view of an endoscope provided by the present invention;

FIG. 2 is a schematic structural view of a segmented endoscope insertion tube of the present invention;

FIG. 3 is an enlarged schematic view of the insertion tube A of the sectional endoscope of the present invention;

FIG. 4 is a schematic structural view of a connecting ring of an insertion tube of a sectional endoscope according to the present invention;

FIG. 5 is a schematic structural view of a spring tube of an insertion tube of a sectional endoscope according to the present invention;

fig. 6 is a schematic structural view of the sectional type endoscope insertion tube woven mesh tube of the present invention.

In the figure, 1, an endoscope; 2. an operation unit; 3. an insertion section; 4. a head end portion; 5. a distal section tube; 6. a proximal section tube; 7. a connecting ring; 8. a helical spring tube; 9. weaving a net pipe; 10. a wrapping layer; 101. a first connecting ring groove; 102. and a second connecting ring groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "distal end", "proximal end", "outer", "inner", "parallel", "up and down", "left and right", etc. 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 the 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 the like 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 should also be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "provided," and "connected" are to be construed broadly, and may for example be 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.

Referring to fig. 1 to 5, a sectional endoscope insertion tube of the present invention includes a distal section tube 5 connected to a head end 4 of an endoscope 1, a proximal section tube 6 connected to an operation portion 2 of the endoscope 1, and a connection ring 7; the distal section pipe body 5 and the proximal section pipe body 6 sequentially comprise a spiral spring pipe 8, a woven net pipe 9 and a wrapping layer 10 from inside to outside; the distal section tube 5 and the proximal section tube 6 are connected into a whole by a connecting ring 7.

In this embodiment, further, the spiral spring tube 8 is provided with slits, and the thread pitch between the slits is equal.

In this embodiment, further, the material of the woven mesh tube 9 is one of stainless steel, nickel titanium or light alloy.

In this embodiment, the material of the wrapping layer 10 is one of fluororesin, polyurethane, polyvinyl chloride, polysulfone, and polyamide.

In this embodiment, further, one end of the connecting ring 7 is provided with a first connecting ring groove 101, and the other end is provided with a second connecting ring groove 102. The first connection ring groove 101 is sleeved with the distal end section tube body 5, and the second connection ring groove 102 is sleeved with the proximal end section tube body 6.

In this embodiment, the distal section tube 5, the proximal section tube 6, and the connecting ring 7 are fixed together by gluing or welding.

In this embodiment, further, the connecting ring 7 is made of a hard metal material, specifically, one of stainless steel, nickel titanium or a light alloy.

In this embodiment, further, the inner diameter of the connecting ring 7 is equal to the inner diameters of the distal section tube 5 and the proximal section tube 6.

It should be understood that the above-described embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the present invention in any way. Variations and modifications in other variations and equivalent embodiments may occur to those skilled in the art upon reading the foregoing description, or may be modified to practice equivalents thereof. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still belong to the scope of the technical solution protection of the present invention.

Claims

1. A sectional type endoscope insertion tube is characterized by comprising a distal section tube body connected with the end part of an endoscope head, a proximal section tube body connected with an endoscope operation part and a connecting ring; the far-end section pipe body and the near-end section pipe body sequentially comprise a spiral spring pipe, a woven net pipe and a wrapping layer from inside to outside; the distal section pipe body and the proximal section pipe body are connected into a whole through a connecting ring.

2. A segmented endoscope insertion tube according to claim 1 and wherein said helical spring tube is provided with slits, the pitch of said slits being equal.

3. A segmented endoscope insertion tube according to claim 1 and wherein said woven mesh tube is of one of stainless steel, nickel titanium or a light weight alloy.

4. The insertion tube of a sectional endoscope according to claim 1, wherein the material of the wrapping layer is one of fluorine resin, polyurethane, polyvinyl chloride, polysulfone or polyamide.

5. The insertion tube for a segmented endoscope according to claim 1, wherein said connection ring is provided with a first connection ring groove at one end and a second connection ring groove at the other end; the first connecting ring groove is sleeved with the far-end section pipe body, and the second connecting ring groove is sleeved with the near-end section pipe body.

6. The insertion tube of claim 1, wherein the distal tube, the proximal tube, and the coupling ring are fixed by gluing or welding.

7. A segmented endoscope insertion tube according to claim 1, characterized in that said coupling ring is made of a hard metallic material, in particular one of stainless steel, nickel titanium or a light alloy.

8. The segmented endoscope insertion tube of claim 1, wherein the coupling ring inner diameter is equal to the distal segment tube and the proximal segment tube inner diameter.