CN220212879U - Endoscope light guide hose - Google Patents
Endoscope light guide hose Download PDFInfo
- Publication number
- CN220212879U CN220212879U CN202321658585.7U CN202321658585U CN220212879U CN 220212879 U CN220212879 U CN 220212879U CN 202321658585 U CN202321658585 U CN 202321658585U CN 220212879 U CN220212879 U CN 220212879U
- Authority
- CN
- China
- Prior art keywords
- light guide
- hose
- metal
- endoscope
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 47
- 239000002184 metal Substances 0.000 claims abstract description 47
- 239000010935 stainless steel Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 3
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 claims description 3
- -1 fluororesin Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229920002492 poly(sulfone) Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 239000013307 optical fiber Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 8
- 238000005452 bending Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910001234 light alloy Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model belongs to the field of medical instruments, relates to the field of endoscopes, and in particular relates to an endoscope light guide hose, which comprises a metal hose, a wrapping layer arranged on the metal hose and a metal wire arranged between the metal hose and the wrapping layer. According to the telescopic optical fiber endoscope, the metal wire is wound in the metal hose to play a role in shrinkage and limiting, so that the breakage of the optical fiber in the tube caused by overlarge expansion of the light guide hose is effectively prevented, and the service life of the endoscope is prolonged.
Description
Technical Field
The utility model belongs to the field of medical instruments, relates to the field of endoscopes, and particularly relates to an endoscope light guide hose.
Background
The electronic soft endoscope consists of an operation part, an insertion part, a bending part and a light guide part, and is connected with an image processing device and a cold light source device to output real-time intracavity images on a monitor for direct observation, diagnosis and treatment of the human body cavity and the internal organs. In the prior art, the light guide hose of the light guide part has good torsion control property and elasticity. However, in the operation process, in order to obtain a better observation angle, a doctor needs to frequently rotate or move the operation part of the endoscope to realize an ideal bending direction and an ideal bending angle, so that the light guide part connected with the endoscope can be simultaneously subjected to the action of tensile stress, and the flexibility of the light guide hose of the endoscope is increased in the stress process for a long time, thereby causing the breakage of the light guide optical fiber in the light guide hose and affecting the imaging quality of images and the service life of the light guide part.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an endoscope light guide hose.
The technical scheme adopted for solving the technical problems is as follows:
an endoscope light guide hose comprises a metal hose, a wrapping layer arranged on the metal hose and a metal wire arranged between the metal hose and the wrapping layer; the metal hose is a spiral tubular body, and the cross section of the metal hose is circular; a groove is formed on the outer peripheral side surface of the spiral tube body; the metal wire is spirally wound in the groove, and the metal wire is in a round shape, a square shape or a flat shape.
Further, the pitches between adjacent spirals of the spiral pipe body are equal.
Further, single strand or multi-strand metal wires are arranged in the groove, and each strand of wire is axially abutted against the ring.
Further, the metal hose is made of one of stainless steel, nickel titanium or light alloy.
Further, the metal wire is made of stainless steel.
Further, the wrapping layer is made of one of polyurethane, fluororesin, polyvinyl chloride, polysulfone or polyamide.
The utility model has the beneficial effects that:
the utility model provides an endoscope light guide hose, wherein the metal hose is a spiral tubular body, equidistant grooves are arranged between adjacent spirals, and the metal wire is wound in the grooves of the spiral tubular body to play a role of shrinkage and limit, so that the breakage of optical fibers in the tube caused by overlarge shrinkage of the light guide hose is effectively prevented, and the service life of the endoscope is prolonged.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of an endoscope according to the present utility model;
FIG. 2 is a schematic cross-sectional view of an endoscope light guide hose of the present utility model;
FIG. 3 is a schematic view of an endoscope light guide hose of the present utility model assembled with a wire;
FIG. 4 is a schematic view of a metal hose for an endoscope light guide hose according to the present utility model;
FIG. 5 is an enlarged view of a portion of a conduit hose of the present utility model at a metal hose A;
FIG. 6 is a schematic view of the structure of an endoscopic light guide hose wire of the present utility model;
FIG. 7 is a schematic structural view of a fixture for a light guide hose according to the present utility model;
fig. 8 is a schematic view of an endoscope light guide hose according to the present utility model.
1, an endoscope; 2. an operation unit; 3. an insertion section; 4. a bending portion; 5. a light guide section; 6. a light guide hose; 7. a metal hose; 8. a wrapping layer; 9. a wire; 10. a core rod; 11. a fixture tool; 12. an image processing apparatus; 13. a cold light source device; 101 grooves.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "distal", "proximal", "outer", "inner", "axial", "up and down", "left and right", "center", "inner", "one end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. 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 utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 6, a light guiding hose 6 of an endoscope 1 according to the present utility model includes a metal hose 7, a wrapping layer 8 disposed on the metal hose 7, and a wire 9 disposed between the metal hose 7 and the wrapping layer 8; the metal hose 7 is a spiral tubular body, and the cross section of the metal hose 7 is circular; a groove 101 is formed on the outer peripheral side surface of the spiral tube body; the wire 9 is spirally wound in the groove 101, and the wire 9 has a round or square or flat structure.
In this embodiment, further, the pitches between adjacent spirals of the spiral body are equal; preferably, the continuous equidistant helical tubular body approximates a spring structure, so that the metal hose 7 has good bending and torsion control properties.
In this embodiment, further, a single strand or a plurality of strands of wires 9 are arranged in the groove 101, and each strand of wire is axially abutted against the coil; preferably, the more the number of wire 9 windings, the better the connection with the metal hose 7, and the smaller the overall contraction range of the metal hose 7.
In this embodiment, further, the material of the metal hose 7 is one of stainless steel, nickel titanium or light alloy; preferably, the metal hose 7 is made of stainless steel, and the stainless steel has good corrosion resistance, high toughness, easy processing and good biocompatibility, is widely used in the medical industry, and is beneficial to prolonging the service life of the light guide hose 6.
In this embodiment, further, the metal wire 9 is made of stainless steel; preferably, the metal wire 9 is 304 type stainless steel, and the 304 stainless steel has the characteristics of easy forming and deformation resistance, so that the stability of the assembled integral structure of the metal wire 9 and the metal hose 7 is improved.
In this embodiment, further, the material of the wrapping layer 8 is one of polyurethane, fluororesin, polyvinyl chloride, polysulfone or polyamide; preferably polyurethane, which has excellent chemical stability, corrosion resistance, sealing property, non-tackiness and aging resistance, the coating layer 8 is beneficial to the protection of the light guide hose 6.
In this embodiment, referring to fig. 7 to 8, when the light guide hose 6 is manufactured, the metal hose 7 with a reserved size is sleeved in the mandrel 10 and fixed on the fixture 11; then the metal wire 9 is wound in the groove 101, and the required size is obtained by laser cutting after assembly; and fixing the finished semi-finished tube on a fixture tool 11, uniformly coating polyurethane glue on the semi-finished tube to form a wrapping layer 8, and polishing to obtain the catheter hose 6.
It should be apparent that the above embodiments are merely examples for clarity of illustration and are not intended to limit the present utility model in any way. Other variations and modifications in various forms, or equivalent embodiments will occur to those skilled in the art upon the reading of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent substitution, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (6)
1. An endoscope light guide hose comprises a metal hose, a wrapping layer arranged on the metal hose and a metal wire arranged between the metal hose and the wrapping layer; the metal hose is a spiral tubular body, and the cross section of the metal hose is circular; a groove is formed on the outer peripheral side surface of the spiral tube body; the metal wire is spirally wound in the groove, and the metal wire is in a round shape, a square shape or a flat shape.
2. An endoscope light guide hose according to claim 1, wherein the pitch between adjacent spirals of the spiral tube is equal.
3. An endoscope light guide hose according to claim 1, wherein single or multiple strands of wire are provided in the groove, each strand being axially abutted against the loop.
4. The light guide tube of claim 1, wherein the metal tube is one of stainless steel, nickel titanium or a lightweight alloy.
5. An endoscope light guide hose according to claim 1, wherein the wire material is stainless steel.
6. The light guide tube of claim 1, wherein the wrapping layer is made of one of polyurethane, fluororesin, polyvinyl chloride, polysulfone, or polyamide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321658585.7U CN220212879U (en) | 2023-06-28 | 2023-06-28 | Endoscope light guide hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321658585.7U CN220212879U (en) | 2023-06-28 | 2023-06-28 | Endoscope light guide hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220212879U true CN220212879U (en) | 2023-12-22 |
Family
ID=89188687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321658585.7U Active CN220212879U (en) | 2023-06-28 | 2023-06-28 | Endoscope light guide hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220212879U (en) |
-
2023
- 2023-06-28 CN CN202321658585.7U patent/CN220212879U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |