CN114869203A - Snake bone structure and soft lens - Google Patents
Snake bone structure and soft lens Download PDFInfo
- Publication number
- CN114869203A CN114869203A CN202210294925.6A CN202210294925A CN114869203A CN 114869203 A CN114869203 A CN 114869203A CN 202210294925 A CN202210294925 A CN 202210294925A CN 114869203 A CN114869203 A CN 114869203A
- Authority
- CN
- China
- Prior art keywords
- snake bone
- adjustment section
- fine adjustment
- unit
- arc
- 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.)
- Pending
Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 129
- 241000270295 Serpentes Species 0.000 title claims abstract description 128
- 238000005452 bending Methods 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 210000000244 kidney pelvis Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0055—Constructional details of insertion parts, e.g. vertebral elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0057—Constructional details of force transmission elements, e.g. control wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/008—Articulations
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Prostheses (AREA)
Abstract
The invention relates to the technical field of medical instruments, in particular to a snake bone structure and a soft lens, which comprise a coarse adjustment section and a fine adjustment section, wherein the coarse adjustment section comprises a plurality of coarse adjustment snake bone units, and the coarse adjustment snake bone units are hinged with each other; the fine adjustment section is connected with the coarse adjustment section and comprises a plurality of fine adjustment snake bone units, the fine adjustment snake bone units are hinged with each other, and the lengths of the fine adjustment snake bone units are gradually reduced in the direction away from the coarse adjustment section. Thus, when the snake bone is bent, the rough adjustment section of the snake bone can be kept in a substantially straight line, the fine adjustment section of the snake bone can be bent, and the closer to the front end, the larger the bending width of the snake bone, the more the snake bone can be bent in a narrow space.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a snake bone structure and a soft lens.
Background
The endoscope is a common medical instrument and comprises a bending part, the snake bone is a transmission device which is commonly used for controlling the rotation direction of the bending part of the endoscope, the endoscope is usually arranged at one end of the snake bone, and the rotation of the endoscope in the corresponding direction is realized through the bending of the snake bone.
The existing snake bone generally comprises a plurality of bone sections which are sequentially connected in series to form a snake bone body, and the snake bone body is pulled by a rope to generate corresponding bending action. The general structure on the market is the curve structure that the radius is fixed at present, turns round when the action in work and is whole radius action together, and basic working range also can reach, stretches into inside the renal pelvis when carrying out the calculus operation at present, and the internal space of renal pelvis is narrow and small, and the structure is special, and the bending of swinging is carried out in the narrow and small scope in space, then just is inconvenient.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the snake bone in the prior art is inconvenient to bend in a narrow range, so that a snake bone structure and a soft lens are provided.
In order to solve the problems, the invention provides a snake bone structure which comprises a coarse adjustment section and a coarse adjustment section, wherein the coarse adjustment section comprises a plurality of coarse adjustment snake bone units, and the coarse adjustment snake bone units are hinged with each other; the fine adjustment section is connected with the coarse adjustment section and comprises a plurality of fine adjustment snake bone units, the fine adjustment snake bone units are hinged with each other, and the lengths of the fine adjustment snake bone units are gradually reduced in the direction far away from the coarse adjustment section; the bending radian of the coarse adjustment section is smaller than that of the fine adjustment section.
Optionally, the rough adjustment snake bone unit comprises a first male joint and a first female joint which are arranged at two axial ends, and the first male joint and the first female joint in the adjacent rough adjustment snake bone unit are hinged end to end.
Optionally, the fine tuning snake bone unit comprises a second male joint and a second female joint which are arranged at two axial ends, and the second male joint and the second female joint in the adjacent fine tuning snake bone unit are hinged end to end.
Optionally, a middle snake bone unit is further arranged between the coarse adjustment section and the fine adjustment section, the middle snake bone unit is respectively connected with the coarse adjustment snake bone unit and the fine adjustment snake bone unit, a first female connector and a second male connector are respectively arranged at two ends of the middle snake bone unit, or a first male connector and a second female connector are respectively arranged at two ends of the middle snake bone unit.
Optionally, the lengths of adjacent coarse snake bone units are equal.
Optionally, the first male connector includes a first circular protrusion and first arc protrusions disposed on two sides of the first circular protrusion, and the first female connector includes a first circular groove matched with the first circular protrusion and a first arc groove matched with the first arc protrusions.
Optionally, the second male connector includes a second circular protrusion, and the second female connector includes a second circular groove matching with the second circular protrusion.
Optionally, a second arc-shaped protrusion is further arranged on the first circular protrusion, and a second arc-shaped groove matched with the second arc-shaped protrusion is formed in the first female joint.
Optionally, the fine adjustment snake bone unit and the coarse adjustment snake bone unit are both metal pieces.
The invention also provides a soft lens which comprises the snake bone structure.
The invention has the following advantages:
1. in the scheme, the snake bone is divided into two sections, namely a fine adjustment section at the front end and a coarse adjustment section at the rear end, wherein the fine adjustment section can obtain a larger bending radian, and the coarse adjustment section bends at a small radian, so that the snake bone is bent in an involute form instead of a semicircular form integrally in the past, and the snake bone in the scheme can be bent at a narrow position and even turned around;
2. in the scheme, the bending radian of the coarse adjustment section is smaller than that of the fine adjustment section, and the coarse adjustment section can be kept in a linear form approximately, so that the rear end of the snake bone obtains good rigidity and strength.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 shows a schematic view of a snake bone structure of an embodiment of the invention;
FIG. 2 shows a schematic diagram of a coarse snake bone element according to an embodiment of the present invention;
FIG. 3 shows a schematic diagram of the connection of coarse snake bone elements according to an embodiment of the present invention;
FIG. 4 shows a schematic view of a fine tuning snake bone element of an embodiment of the present invention;
FIG. 5 shows a schematic view of the connection of the fine tuning snake bone elements of an embodiment of the present invention;
fig. 6 shows a schematic view of an intermediate snake bone element of an embodiment of the present invention.
Description of reference numerals:
1. a coarse adjustment section; 2. a fine adjustment section; 3. a middle snake bone unit; 11. roughly adjusting the snake bone unit; 12. a first male connector; 121. a first circular protrusion; 122. a first arc-shaped protrusion; 123. a second arc-shaped protrusion; 13. a first female joint; 131. a first circular groove; 132. a first arc-shaped slot; 133. a second arc-shaped slot; 21. fine-tuning the snake bone unit; 22. a second male connector; 221. a second circular protrusion; 23. a second female joint; 231. a second circular groove.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 6, the present invention discloses a soft lens, which comprises a snake bone structure, wherein the snake bone structure comprises a coarse adjustment section 1 and a fine adjustment section 2, the fine adjustment section 2 is connected with the coarse adjustment section 1, the bending degree of the coarse adjustment section 1 is smaller, and the bending degree of the fine adjustment section 2 is larger, i.e. the bending radian of the coarse adjustment section 1 is smaller than that of the fine adjustment section 2. In actual work, the fine adjustment section 2 is located at the front end, the coarse adjustment section 1 is located at the rear end, bending of the fine adjustment section 2 is mainly adjusted, and movement of the fine adjustment section 2 drives the coarse adjustment section 1 to move. Thus, the rough adjusting section 1 can be kept unchanged approximately, the fine adjusting section 2 can obtain larger bending, and the snake bone can move flexibly in the renal pelvis with narrow space. In the scheme, only the renal pelvis is taken as an example of a working environment, the bending mode of the snake bone structure is introduced, the snake bone structure is not only applied to the interior of the renal pelvis, but also applied to other working environments, such as the stomach, the throat and the like.
Referring to fig. 1, 2 and 3, the rough adjusting section 1 comprises a plurality of rough adjusting snake bone units 11, the rough adjusting snake bone units 11 are hinged end to end, the number of the rough adjusting snake bone units 11 is not limited, and the rough adjusting snake bone units can be freely designed according to actual needs. The rough regulating snake bone units 11 are sleeve-shaped as a whole, the two axial ends of each rough regulating snake bone unit are respectively provided with a first male joint 12 and a first female joint 13, and the first male joints 12 and the first female joints 13 in the adjacent rough regulating snake bone units 11 are hinged with each other, so that the adjacent rough regulating snake bone units 11 are connected with each other.
In the scheme, one end of each coarse tuning snake bone unit 11 is provided with a first male connector 12 and a first female connector 13, and the first male connector 12 and the first female connector 13 are symmetrically arranged relative to the central axis of the coarse tuning snake bone unit 11.
In the present embodiment, the first male connectors 12 and the first female connectors 13 on both sides of each coarse adjustment snake bone unit 11 in the axial direction are arranged upside down, that is, the two first male connectors 12 or the two first female connectors 13 on each coarse adjustment snake bone unit 11 are not arranged on the same side. The first male connector 12 and the first female connector 13 arranged in a staggered manner can enable the whole rough adjusting section 1 to be connected more firmly, so that the single rough adjusting snake bone unit 11 is not easy to jump off.
The connection of the first male connector 12 and the first female connector 13 will be described below with reference to the structure of the single first male connector 12 and the single first female connector 13. Specifically, the first male connector 12 includes a first circular protrusion 121 and first arc-shaped protrusions 122 disposed on two sides of the first circular protrusion 121, and the arc centers corresponding to the two first arc-shaped protrusions 122 are consistent with the circle center corresponding to the first circular protrusion 121. The first circular protrusion 121 is further provided with a second arc-shaped protrusion 123, an arc center corresponding to the second arc-shaped protrusion 123 is consistent with a circle center corresponding to the first circular protrusion 121, and the second arc-shaped protrusion 123 is arranged at an axial end of the first circular protrusion 121.
The first female connector 13 includes a first circular groove 131, the first circular groove 131 is used for accommodating the first circular protrusion 121, and the first circular protrusion 121 can rotate in the first circular groove 131 for a certain angle. The first female joint 13 further includes two first arc-shaped slots 132, the first arc-shaped slots 132 correspond to the first arc-shaped protrusions 122 one by one, the first arc-shaped slots 132 are used for accommodating the first arc-shaped protrusions 122, and the first arc-shaped protrusions 122 can rotate in the first arc-shaped slots 132 by a certain angle. The first female connector 13 further includes a second arc-shaped slot 133, the second arc-shaped slot 133 is used for accommodating the second arc-shaped protrusion 123, and the second arc-shaped protrusion 123 can move in the second arc-shaped slot 133 for a certain angle. Wherein, the first arc-shaped bulge 122 provides a radial support for the coarse adjustment section 1, so that the radial support of the coarse adjustment section 1 is more stable; the second arc-shaped protrusion 123 provides an axial support, so that the coarse adjustment section 1 is more stable in axial support.
Referring to fig. 1, 4 and 5, the fine tuning section 2 includes a plurality of fine tuning snake bone units 21, the fine tuning snake bone units 21 are hinged to each other, the number of the fine tuning snake bone units 21 is not limited, and the fine tuning snake bone units are freely designed according to actual working conditions. Each fine tuning snake bone unit 21 comprises a second male joint 22 and a second female joint 23 which are arranged along the two axial ends of the fine tuning snake bone unit, and the second male joint 22 and the second female joint 23 in the adjacent fine tuning snake bone units 21 are hinged end to end.
In this embodiment, the second male connector 22 and the second female connector 23 of the fine adjustment snake bone unit 21 are arranged in the same manner as the first male connector 12 and the first female connector 13 of the coarse adjustment snake bone unit 11. Specifically, each fine tuning snake bone unit 21 comprises two second male connectors 22 and two second female connectors 23, each end of the fine tuning snake bone unit 21 is provided with one second male connector 22 and one second female connector 23, the second male connectors 22 and the second female connectors 23 at the same end are symmetrically arranged about the center line of the fine tuning snake bone unit 21, and the second male connectors 22 and the second female connectors 23 at different ends are arranged in a staggered mode.
The second male connector 22 includes a second circular protrusion 221, the second female connector 23 includes a second circular groove 231, the second circular protrusion 221 is rotatable in the second circular groove 231, and the second circular protrusion 221 is constrained by the edge of the second circular groove 231 and can only rotate at a certain angle.
Referring to fig. 6, a middle snake bone unit 3 is further arranged between the coarse adjustment section 1 and the fine adjustment section 2, the middle snake bone unit 3 is respectively connected with the coarse adjustment snake bone unit 11 and the fine adjustment snake bone unit 21, a first male connector 12 and a first female connector 13 are arranged at one axial end of the middle snake bone unit 3, and a second male connector 22 and a second female connector 23 are arranged at one axial end of the other end snake bone unit, so that the coarse adjustment section 1 and the fine adjustment section 2 are connected together by the middle snake bone unit 3.
The rough adjustment snake bone unit 11 and the fine adjustment snake bone unit 21 are both metal pieces, and more specifically, are made of steel.
In the present embodiment, the lengths of the coarse snake bone units 11 are equal.
In another embodiment, the lengths of the rough regulating snake bone units 11 are different, and the specific length can be designed according to actual needs.
In the scheme, the lengths of the fine tuning snake bone units 21 in the fine tuning section 2 are different, and the lengths of the fine tuning snake bone units 21 are gradually reduced in the direction away from the coarse tuning section 1. Thus, the farther from the coarse adjustment section 1, the more the end of the snake bone can be bent into a large arc, and the further the snake bone can be steered in a narrow position.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A snake bone structure, which is characterized in that: the method comprises the following steps:
the rough adjusting section (1) comprises a plurality of rough adjusting snake bone units (11), and the rough adjusting snake bone units (11) are hinged with each other;
the fine adjustment section (2) is connected with the coarse adjustment section (1), the fine adjustment section (2) comprises a plurality of fine adjustment snake bone units (21), the fine adjustment snake bone units (21) are hinged with each other, and the lengths of the fine adjustment snake bone units (21) are gradually reduced in the direction far away from the coarse adjustment section (1); the bending radian of the coarse adjustment section (1) is smaller than that of the fine adjustment section (2).
2. A snake bone structure according to claim 1, wherein: the rough regulating snake bone unit (11) comprises a first male joint (12) and a first female joint (13) which are arranged at two axial ends, and the first male joint (12) and the first female joint (13) in the adjacent rough regulating snake bone unit (11) are hinged end to end.
3. A snake bone structure according to claim 2, wherein: the fine tuning snake bone unit (21) comprises a second male joint (22) and a second female joint (23) which are arranged at two axial ends, and the second male joint (22) and the second female joint (23) in the fine tuning snake bone unit (21) are adjacent and hinged end to end.
4. A snake bone structure according to claim 3, wherein: the middle snake bone unit (3) is further arranged between the coarse adjustment section (1) and the fine adjustment section (2), the middle snake bone unit (3) is connected with the coarse adjustment snake bone unit (11) and the fine adjustment snake bone unit (21) respectively, a first female connector (13) and a second male connector (22) are arranged at two ends of the middle snake bone unit (3) respectively, or a first male connector (12) and a second female connector (23) are arranged at two ends of the middle snake bone unit (3) respectively.
5. A snake bone structure according to claim 1, wherein: the lengths of the adjacent coarse snake bone units (11) are equal.
6. A snake bone structure according to claim 3, wherein: the first male connector (12) comprises a first circular protrusion (121) and first arc-shaped protrusions (122) arranged on two sides of the first circular protrusion (121), and the first female connector (13) comprises a first circular groove (131) matched with the first circular protrusion (121) and a first arc-shaped groove (132) matched with the first arc-shaped protrusions (122).
7. A snake bone structure according to claim 3, wherein: the second male connector (22) comprises a second circular protrusion (221), and the second female connector (23) comprises a second circular groove (231) which is matched with the second circular protrusion (221).
8. A snake bone structure according to claim 6, wherein: the first circular protrusion (121) is further provided with a second arc protrusion (123), and the first female joint (13) is provided with a second arc groove (133) matched with the second arc protrusion (123).
9. A snake bone structure according to claim 1, wherein: the fine adjustment snake bone unit (21) and the coarse adjustment snake bone unit (11) are both metal pieces.
10. A soft lens, characterized by: comprising a snake bone structure according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210294925.6A CN114869203A (en) | 2022-03-23 | 2022-03-23 | Snake bone structure and soft lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210294925.6A CN114869203A (en) | 2022-03-23 | 2022-03-23 | Snake bone structure and soft lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114869203A true CN114869203A (en) | 2022-08-09 |
Family
ID=82668339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210294925.6A Pending CN114869203A (en) | 2022-03-23 | 2022-03-23 | Snake bone structure and soft lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114869203A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160022960A1 (en) * | 2013-04-05 | 2016-01-28 | Terumo Kabushiki Kaisha | Elongated member |
| CN107518860A (en) * | 2017-06-29 | 2017-12-29 | 杭州无创光电有限公司 | Endoscope snake bone structure and endoscope |
| CN210300919U (en) * | 2019-05-22 | 2020-04-14 | 安徽航天生物科技股份有限公司 | Snake bone of electronic endoscope |
| CN113040687A (en) * | 2019-12-27 | 2021-06-29 | 宁波思康鑫电子科技有限公司 | Endoscope snake bone and manufacturing process thereof |
| WO2021184151A1 (en) * | 2020-03-16 | 2021-09-23 | 张敏 | Endoscope bending tube and endoscope |
-
2022
- 2022-03-23 CN CN202210294925.6A patent/CN114869203A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160022960A1 (en) * | 2013-04-05 | 2016-01-28 | Terumo Kabushiki Kaisha | Elongated member |
| CN107518860A (en) * | 2017-06-29 | 2017-12-29 | 杭州无创光电有限公司 | Endoscope snake bone structure and endoscope |
| CN210300919U (en) * | 2019-05-22 | 2020-04-14 | 安徽航天生物科技股份有限公司 | Snake bone of electronic endoscope |
| CN113040687A (en) * | 2019-12-27 | 2021-06-29 | 宁波思康鑫电子科技有限公司 | Endoscope snake bone and manufacturing process thereof |
| WO2021184151A1 (en) * | 2020-03-16 | 2021-09-23 | 张敏 | Endoscope bending tube and endoscope |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1867270B1 (en) | Flexible tube for endoscope and endoscope device | |
| EP1366705A1 (en) | Articulating vertebrae with asymmetrical and variable radius of curvature | |
| KR100922917B1 (en) | Endoscope | |
| US5271381A (en) | Vertebrae for a bending section of an endoscope | |
| US20080214897A1 (en) | Flexible Tube for Endoscope and Endoscope Device | |
| US20080249364A1 (en) | Endoscopic instrument | |
| US7828724B2 (en) | Endoscope including a flexible tube | |
| US20100010309A1 (en) | Endoscope bend tube and endoscope including the bend tube | |
| EP3829412B1 (en) | A joint | |
| US20100087711A1 (en) | Repeatably flexible surgical instrument | |
| JPH03264039A (en) | Angle for flexible pipe | |
| EP2127589A1 (en) | Endoscope | |
| WO2020082640A1 (en) | Multi-segment bending tube apparatus for endoscope, and endoscope | |
| CN114869203A (en) | Snake bone structure and soft lens | |
| CN111643034A (en) | Bending unit, bending structure, and endoscope | |
| WO2018029917A1 (en) | Endoscope | |
| KR100867656B1 (en) | Bending section for endoscope | |
| US20170150879A1 (en) | Bendable tube segment, bendable tube and insertion device | |
| CN214712491U (en) | Snake bone tube | |
| JP5030658B2 (en) | Endoscope | |
| CN219250102U (en) | Bending assembly and endoscope | |
| CN219089209U (en) | Endoscope insertion tube | |
| EP4302675A1 (en) | Bendable tube for use in a surgical device | |
| CN215534195U (en) | Snake bone unit and snake bone structure | |
| CN215534193U (en) | Snake bone group and snake bone pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |