CN111700578A - Endoscope bending part - Google Patents
Endoscope bending part Download PDFInfo
- Publication number
- CN111700578A CN111700578A CN202010669254.8A CN202010669254A CN111700578A CN 111700578 A CN111700578 A CN 111700578A CN 202010669254 A CN202010669254 A CN 202010669254A CN 111700578 A CN111700578 A CN 111700578A
- Authority
- CN
- China
- Prior art keywords
- snake bone
- bone joint
- bending
- endoscope
- guide surface
- 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
- 238000005452 bending Methods 0.000 title claims abstract description 83
- 241000270295 Serpentes Species 0.000 claims abstract description 151
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 150
- 238000012545 processing Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000013307 optical fiber Substances 0.000 description 6
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000003445 biliary tract Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
- 239000002699 waste material Substances 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00105—Constructional details of the endoscope body characterised by modular construction
-
- 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
Abstract
The invention provides an endoscope bending part, which comprises an operation wire and a plurality of snake bone joints, wherein: a plurality of snake bone joints are sequentially hinged to form a bending unit; the operation wire operates the bending unit to form bending in at least two directions; at least one part of the snake bone joints are provided with a limiting guide surface for limiting the operating wire. The snake bone joint processing technology is simple, greatly breaks through the wall thickness size limit of the snake bone joint processing technology in the prior art, and is high in strength, high in yield and low in cost. Although the hinge device corresponds to the traction hole with the built-in traction wire, the hinge device is at a certain distance from the traction hole, and the traction wire is not easy to bend and fatigue damage. The invention realizes the maximization of the utilization of the inner cavity space. The invention can realize two-direction bending and four-direction bending through different combinations of the snake bone joints, and greatly breaks through the outer diameter limit of the existing two-direction bending endoscope and four-direction bending endoscope.
Description
Technical Field
The invention relates to the field of endoscopes, in particular to an endoscope bending part.
Background
The endoscope has an elongated insertion portion that is insertable into a body cavity, a bending portion is provided on a distal end side of the insertion portion, and a tip portion is provided on a distal end side of the bending portion. The head end part is at least internally provided with an imaging unit, an image transmission unit and an illumination unit. The bending portion is operated by an operation device provided in the operation portion to perform a bending operation by operating the traction wire.
Generally, the bending portion of the endoscope is composed of a plurality of snake bone joints connected with each other. In order to achieve a bending action in the bending section, the snake bone joint must have several basic features: the snake bone joint is provided with a traction hole for passing through a traction wire; adjacent snake joints are connected by an articulation which allows them to pivot relative to each other; the snake bone joint has enough lumen space to pass through wires, optical fibers, etc.
Conventionally, there is known an endoscope bending portion in which a plurality of cylindrical snake bone joints are connected to each other rotatably and coaxially. As a method for connecting the snake bone joints, for example, caulking is used. That is, a pair of tongue pieces are projected on both end surfaces of the cylindrical portion of the snake bone joint in a central axis symmetry manner, and the tongue pieces of the adjacent two snake bone joints are superposed on each other and are rotationally riveted and fixed. Refer to fig. 1. However, it is very difficult to adopt a fastening method of caulking in a small diameter endoscope. Moreover, the riveting structure not only occupies the inner cavity space of the snake bone joint, but also can locally increase the external dimension of the bending part. When the required diameter of the small-diameter endoscope is small to a certain degree, the snake bone joint cannot have enough inner cavity space for passing through electric wires, optical fibers and the like; if the outer diameter of the endoscope locally exceeds the required diameter, the insertion performance of the endoscope is impaired.
When the required diameter of the small diameter endoscope is small to some extent, such as 2.4mm, the presently known bending portion of the endoscope, and yet another configuration, referring to fig. 2 and 3, each of the serpentine joints includes an articulation means which mates with the articulation means of the adjacent serpentine joint; four traction holes are also formed in the circumferential direction of each snake bone joint so as to penetrate through traction wires; this articulated mounting and two traction holes in opposite directions are for corresponding the setting to increase articulated mounting's cooperation size, prevent faults such as dislocation, disjointing of adjacent snake bone joint, lead to the flexion to become invalid. However, the above proposal is limited by the processing technique of the snake bone joint, the wall thickness dimension of each part has processing limit, and the bendable endoscope produced by using the snake bone with the structure is known to be 2.4mm at minimum. Because the hinge device corresponds to the traction hole with the built-in traction wire, the traction wire at the hinge device is easy to bend and fatigue damage.
Patent of invention of prior art CN 105911687a discloses an endoscope bending part, refer to fig. 4 and 5, comprising a snake bone body; the snake bone body comprises a plurality of snake bone joints which are hinged in sequence; a hinged support is arranged in the inner cavity of the snake bone joint; the two side ends of the hinged support part are connected with the inner wall surface of the snake bone joint to divide the inner cavity into a first concealed space and a second concealed space; one end of the hinged support is provided with a first hinged piece, and the other end of the hinged support is provided with a second hinged piece matched with the first hinged piece; and a plurality of traction holes which axially penetrate through the hinge support are formed in the hinge support. The invention removes the traction hole and the connecting wire of the built-in connecting wire of the snake bone joint in the prior art, and the traction wire not only bears the original function of the traction wire, but also bears the function of the connecting wire, thereby reducing the number of parts and increasing the hidden space. The hinge device of the scheme is arranged between two traction holes passing through the traction wire instead. In this way, both the wall thickness forming the traction bore is ensured and is used to form the hinge. However, the technical scheme has the defects of complex processing technology, high difficulty, low strength, low yield, high cost and the like of the snake bone joint, and the inner cavity space is wasted too much, so that the snake bone joint can only be bent in two directions due to the fact that more wires, optical fibers, working channels and the like cannot be passed through to the maximum extent.
Disclosure of Invention
In view of the deficiencies in the prior art, it is an object of the present invention to provide an endoscope bend.
According to the present invention, there is provided an endoscope bending portion including an operation wire and a plurality of snake bone joints, wherein:
a plurality of snake bone joints are sequentially hinged to form a bending unit;
the operation wire operates the bending unit to complete the bending action;
at least one part of the snake bone joints are provided with a limiting guide surface for limiting the operating wire.
Preferably, both sides of one end face of each snake bone joint are provided with first notches, a clamping block matched with the first notches is arranged at the corresponding position of the other end face of each snake bone joint, and the clamping block of one snake bone joint is clamped into the first notch of the adjacent snake bone joint and can be hinged and rotated in the first notch.
Preferably, the side surface of the snake bone joint is provided with at least one limit guide surface, the limit guide surface is recessed from the side surface of the snake bone joint to the axial direction of the snake bone joint, and the limit guide surface is arranged between two first notches along the circumferential direction of the snake bone joint.
Preferably, the snake bone joint further comprises a connecting line which is fixedly connected with the inner walls corresponding to the clamping blocks of the plurality of snake bone joints.
Preferably, the other two sides of one end surface of the snake bone joint are provided with second gaps which are the same as the first gaps.
Preferably, the side surface of the snake bone joint is provided with a limit guide surface, and the position of the limit guide surface can be any one of the following three modes:
mode 1: a limiting guide surface is arranged between each first notch and the corresponding fixture block;
mode 2: limiting guide surfaces are arranged at the positions, which are staggered with each first notch at a set angle in the circumferential direction of the snake bone joint;
mode 3: the position between each first gap and the corresponding fixture block, and the position dislocated with each first gap in the circumferential direction of the snake bone joint at a set angle are provided with a limiting guide surface.
Preferably, when the fixture blocks of the adjacent snake bone joints are correspondingly arranged, the bending unit forms two-direction bending;
when the positions of the clamping blocks of the adjacent snake bone joints are arranged in a staggered mode, the bending units are bent in four directions.
Preferably, the other end surface of the snake bone joint and the two side surfaces of the fixture block form a set included angle with each other.
Preferably, the middle area of the outer surface of the limiting guide surface forms a partial inner cylindrical surface, and the corresponding complete cylinder of the partial inner cylindrical surface is tangent to the inner wall of the snake bone joint.
Preferably, the snake bone joint is arranged in a hollow mode.
Compared with the prior art, the invention has the following beneficial effects:
1. the snake bone joint processing technology is simple, greatly breaks through the wall thickness size limit of the snake bone joint processing technology in the prior art, and has high strength, high yield and low cost;
2. the hinge device corresponds to the traction hole with the built-in traction wire, and the hinge device is at a certain distance from the traction hole, so that the traction wire is not easy to bend and fatigue damage;
3. the invention realizes the extremely simplified design of the elements forming the bending part of the endoscope, maximizes the utilization of the inner cavity space, has no waste except the minimum necessary wall thickness, can pass more wires, optical fibers and working channels, and perfectly solves the contradiction of the maximization of the inner cavity of the endoscope with the minimized outer diameter for many years;
4. the invention can realize two-direction bending and four-direction bending through different combinations of the snake bone joints, greatly breaks through the outer diameter limit of the existing two-direction bending endoscope and four-direction bending endoscope, and can realize the theoretical outer diameter limit in an engineering way.
5. The bending part can realize two-direction bending or four-direction bending only by combining one or two snake bone joints, the processing of the snake bone joints is simple, the assembly of the bending part is simple, the large-scale production of the snake bone joints and the bending part is convenient, the cost is far lower than that of various bending parts in the prior art, the theoretical cost limit can be realized in an engineering way, and the contradiction between the low cost and the high performance quality of the prior bending part technology of the medical disposable endoscope is perfectly solved.
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:
FIGS. 1 to 5 are schematic structural views of a bending portion of a conventional endoscope;
FIG. 6 is a schematic structural view of a first embodiment of a bending section of an endoscope in accordance with the present invention;
FIG. 7 is a front view of a first embodiment of the bending portion of the endoscope of the present invention and a schematic structural view of a single serpentine joint;
FIG. 8 is a schematic structural view of a second embodiment of the bending section of the endoscope of the present invention;
FIG. 9 is a front view of a second embodiment of the bending portion of the endoscope of the present invention and a schematic structural view of a single serpentine joint;
FIG. 10 is a schematic structural view of a third embodiment of the bending section of the endoscope of the present invention;
FIG. 11 is a schematic structural view of a fourth embodiment of a bending section of an endoscope of the present invention;
FIG. 12 is a front view of a fourth embodiment of the bending portion of the endoscope of the present invention and a schematic structural view of a single serpentine joint;
FIG. 13 is a schematic configuration view of a fifth embodiment of the bending section of the endoscope of the present invention;
FIG. 14 is a schematic view showing the structure of a single snake bone joint of a fifth embodiment of the bending section of the endoscope of the present invention.
The figures show that:
operating line 1
Second notch 4
Limiting guide surface 6
Through-hole 7
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
The requirement of the ultra-fine diameter bendable endoscope is that the outer diameter is minimized so as to easily enter the urethra, biliary tract, lacrimal passage, cardiac blood vessel and the like of a human body, and an ultra-small inner cavity and the like of the industries such as aerospace military industry and the like. But the lumen is maximized to allow for the passage of relatively many wires, optical fibers, working channels, etc. The more the wires are, the higher the pixel number of the camera can be, and the clearer the image is; the more optical fibers, the higher the illumination intensity; the larger the working channel is, the more functional the surgical instruments can be used, thus being beneficial to minimally invasive surgery and the like. In view of the above problems, the present invention creatively proposes: each snake bone joint comprises a hinge device which is matched with the hinge device of the adjacent snake bone joint; at least two traction holes are formed in the circumferential direction of each snake bone joint so as to penetrate through traction wires; the hinge device and the two opposite traction holes are correspondingly arranged or are arranged in a 90-degree staggered manner; the hinge device is at a certain distance from the traction hole; the traction hole is tangent to the inner hole of the snake bone joint, the gap between the traction hole and the traction line is not larger than the wall thickness of the snake bone joint, and the failure of the bending part caused by the dislocation, disjointing and other faults of adjacent snake bone joints is prevented.
Example 1:
specifically, as shown in fig. 6 and 7, according to the first embodiment of the present invention, there is provided a snake bone joint comprising an operation wire 1 and a plurality of snake bone joints 2, wherein: a plurality of snake bone joints 2 are sequentially hinged to form a bending unit; the operation wire 1 operates the bending unit to form a bend in two directions. One end face of the snake bone joint 2 is provided with two first gaps 3 and two second gaps 4, the two first gaps 3 and the two second gaps 4 are distributed in a staggered mode at equal intervals in the circumferential direction, and the first gaps 3 are identical to the second gaps 4. A clamping block 5 is arranged at the position corresponding to the two first gaps 3 on the other end surface of the snake bone joint 2.
The snake bone joint 2 is provided with a limit guide surface 6 for limiting an operation line, the snake bone joint 2 with two structures exists in the embodiment, the limit guide surface 6 of the first snake bone joint 2 is arranged between the first notch 3 and the fixture block 5, and the limit guide surface 6 of the second snake bone joint 2 is arranged at a position which is staggered by 90 degrees in the circumferential direction of the snake bone joint 1 with the first notch 3. When concrete connection, the snake bone joints 2 of two kinds of structures are in staggered connection, and the fixture blocks 5 of the snake bone joints 2 of two kinds of structures are located at corresponding positions, the control line sequentially penetrates through the inner wall of the first kind of snake bone joint 2, and the limit guide surface 6 of the second kind of snake bone joint 2 realizes the control of the bent angles in two directions.
Example 2:
as shown in fig. 8 and 9, according to the second embodiment provided by the present invention, there is provided a snake bone joint comprising an operation wire 1 and a plurality of snake bone joints 2, wherein: a plurality of snake bone joints 2 are sequentially hinged to form a bending unit; the operation wire 1 operates the bending unit to form a bend in two directions. One end face of the snake bone joint 2 is provided with two first gaps 3 and two second gaps 4, the two first gaps 3 and the two second gaps 4 are distributed in a staggered mode at equal intervals in the circumferential direction, and the first gaps 3 are identical to the second gaps 4. A clamping block 5 is arranged at the position corresponding to the two first gaps 3 on the other end surface of the snake bone joint 2.
Be provided with the spacing guide surface 6 to the operating wire is spacing on snake bone joint 2, only have the snake bone joint 2 of a structure in this embodiment, the spacing guide surface 6 of snake bone joint 2 sets up between first breach 3 and fixture block 5, and when concrete connection, adjacent snake bone joint 2 is crisscross 90 and is connected to fixture block 5 of adjacent snake bone joint 2 is in crisscross 90 positions, and the operating wire passes spacing guide surface 6 of looks spaced snake bone joint 2 in proper order, and has realized that the bent angle of four directions is controlled.
Example 3:
as shown in fig. 10, according to a third embodiment provided by the present invention, there is provided a snake bone joint comprising an operation wire 1 and a plurality of snake bone joints 2, wherein: a plurality of snake bone joints 2 are sequentially hinged to form a bending unit; the operation wire 1 operates the bending unit to form a bend in two directions. One end face of the snake bone joint 2 is provided with two first gaps 3 and two second gaps 4, the two first gaps 3 and the two second gaps 4 are distributed in a staggered mode at equal intervals in the circumferential direction, and the first gaps 3 are identical to the second gaps 4. A clamping block 5 is arranged at the position corresponding to the two first gaps 3 on the other end surface of the snake bone joint 2.
The snake bone joint 2 is provided with a limit guide surface 6 for limiting the operating wire, the limit guide surface 6 of the snake bone joint 2 in the embodiment is arranged between the first notch 3 and the fixture block 5 and at a position which is 90 degrees staggered with the first notch 3 in the circumferential direction of the snake bone joint 1, when in specific connection, the adjacent snake bone joints 2 can be connected by 90 degrees in a staggered manner, the fixture blocks 5 of the adjacent snake bone joints 2 are at 90 degrees in a staggered manner, the operating wire sequentially passes through the limit guide surface 6 of the snake bone joints 2, and the four-direction bend angle control is realized. The adjacent snake bone joints 2 can also be correspondingly connected, the fixture blocks 5 of the adjacent snake bone joints 2 are positioned at the same straight line position, the control line sequentially passes through the limiting guide surfaces 6 of the snake bone joints 2, and the control of the bending angles in two directions is realized.
Example 4:
as shown in fig. 11 and 12, according to a fourth embodiment provided by the present invention, there is provided a manipulating wire 1 and a plurality of snake bone joints 2, wherein: a plurality of snake bone joints 2 are sequentially hinged to form a bending unit; the operation wire 1 operates the bending unit to form a bend in two directions. One end face of the snake bone joint 2 is provided with two first notches 3 which are oppositely arranged, and the other end face of the snake bone joint 2 is provided with a clamping block 5 at the position corresponding to the two first notches 3.
The snake bone joint 2 of the embodiment is provided with two types, the first type of snake bone joint 2 is provided with a limit guide surface 6 for limiting an operation line, the limit guide surface 6 of the snake bone joint 2 is provided with two types, and the limit guide surface 6 is arranged in the middle of two first gaps 2 in the circumferential direction of the snake bone joint 1 and is arranged oppositely. The second snake bone joint 2 is not provided with a limit guide surface 6. When in specific connection, the two snake bone joints 2 are connected in a staggered mode, the positions of the clamping blocks 5 of the adjacent snake bone joints 2 are in a linear direction, the control wire sequentially penetrates through the limiting guide surface 6 of the first snake bone joint 2 and the inner wall of the second snake bone joint 2, and the control of the bending angles in the two directions is realized.
Example 5:
as shown in fig. 13 and 14, according to a fifth embodiment provided by the present invention, there is provided a snake bone joint comprising an operation wire 1 and a plurality of snake bone joints 2, wherein: a plurality of snake bone joints 2 are sequentially hinged to form a bending unit; the operation wire 1 operates the bending unit to form a bend in two directions. One end face of the snake bone joint 2 is provided with two first notches 3 which are oppositely arranged, and the other end face of the snake bone joint 2 is provided with a clamping block 5 at the position corresponding to the two first notches 3.
The snake bone joint 2 of the embodiment is provided with a limit guide surface 6 for limiting the operation wire, only one limit guide surface 6 is arranged on the snake bone joint 2, and the limit guide surface 6 is arranged between two first notches 2 along the circumferential direction of the snake bone joint 1. When in specific connection, the adjacent snake bone joints 2 are connected in a rotating mode by 180 degrees, the positions of the clamping blocks 5 of the adjacent snake bone joints 2 are in a straight line direction, the control wires sequentially penetrate through the limiting guide surface 6 of the first snake bone joint 2 and the inner wall of the second snake bone joint 2 in a staggered mode, and the control of the bending angles in two directions is achieved.
The invention can realize two-direction bending and four-direction bending through different combinations of the snake bone joints, and greatly breaks through the outer diameter limit of the existing two-direction bending endoscope and four-direction bending endoscope.
The foregoing description of specific embodiments of the present 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 or modifications may be made by one 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 (10)
1. An endoscope bending section comprising an operation wire and a plurality of snake bone joints, wherein:
a plurality of snake bone joints are sequentially hinged to form a bending unit;
the operation wire operates the bending unit to complete the bending action;
at least one part of the snake bone joints are provided with a limiting guide surface for limiting the operating wire.
2. The bending portion of an endoscope as claimed in claim 1, wherein first notches are formed on two sides of one end surface of each snake bone joint, a clamping block matched with the first notch is arranged at a corresponding position on the other end surface of each snake bone joint, and the clamping block of one snake bone joint is clamped into the first notch of the adjacent snake bone joint and can be hinged and rotated in the first notch.
3. The endoscope bending section according to claim 2, wherein the side surface of the snake bone joint is provided with at least one stopper guide surface recessed from the side surface of the snake bone joint in the axial direction of the snake bone joint, the stopper guide surface being provided between two first notches in the circumferential direction of the snake bone joint.
4. The bending portion of an endoscope according to claim 2, further comprising a connecting wire fixedly connected to inner walls of the plurality of segments of the snake bone joint.
5. The endoscope bending section according to claim 2, wherein second notches identical to the first notches are provided on the other two sides of one end surface of the snake bone joint.
6. The bending portion of an endoscope according to claim 5, wherein a side surface of the snake bone joint is provided with a position-limiting guide surface, and the position of the position-limiting guide surface can be any one of the following three types:
mode 1: a limiting guide surface is arranged between each first notch and the corresponding fixture block;
mode 2: limiting guide surfaces are arranged at the positions, which are staggered with each first notch at a set angle in the circumferential direction of the snake bone joint;
mode 3: the position between each first gap and the corresponding fixture block, and the position dislocated with each first gap in the circumferential direction of the snake bone joint at a set angle are provided with a limiting guide surface.
7. The endoscopic flexure of claim 6,
when the clamping blocks of the adjacent snake bone joints are correspondingly arranged, the bending units form two-direction bending;
when the positions of the clamping blocks of the adjacent snake bone joints are arranged in a staggered mode, the bending units are bent in four directions.
8. The bending portion of an endoscope according to claim 2, wherein the other end surface of the snake bone joint and the surfaces of the two sides of the fixture are at a predetermined angle.
9. The endoscopic flexure of claim 1, wherein the mid-region of the outer surface of the stop guide surface forms a partial cylindrical surface with a corresponding full cylinder tangent to the inner wall of the snake bone joint.
10. The endoscope bending section of claim 1, wherein the snake bone joint is hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010669254.8A CN111700578A (en) | 2020-07-13 | 2020-07-13 | Endoscope bending part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010669254.8A CN111700578A (en) | 2020-07-13 | 2020-07-13 | Endoscope bending part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111700578A true CN111700578A (en) | 2020-09-25 |
Family
ID=72546282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010669254.8A Pending CN111700578A (en) | 2020-07-13 | 2020-07-13 | Endoscope bending part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111700578A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4282317A1 (en) | 2022-05-24 | 2023-11-29 | Ambu A/S | Endoscope comprising a bending section having individual segments |
-
2020
- 2020-07-13 CN CN202010669254.8A patent/CN111700578A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4282317A1 (en) | 2022-05-24 | 2023-11-29 | Ambu A/S | Endoscope comprising a bending section having individual segments |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5807241A (en) | Bendable tube and method for its manufacture | |
| JP6931074B2 (en) | Snake joints for surgical robots, surgical instruments and endoscopes | |
| CN112842534B (en) | Surgical tool system | |
| CN102858227B (en) | Endoscope | |
| US7828724B2 (en) | Endoscope including a flexible tube | |
| JP5548320B2 (en) | Insertion equipment | |
| KR101911810B1 (en) | Bending module provided in endoscope and fabricating method thereof | |
| US9468359B2 (en) | Control apparatus | |
| ITMI952724A1 (en) | VERTEBRAL SUPPORT AND IMPLEMENTATION SYSTEM IN PARTICULAR FOR SURGICAL AND DIAGNOSTIC INSTRUMENTS | |
| CN105286775A (en) | Flexible transforaminal endoscope provided with telescopic sheath | |
| CN111700578A (en) | Endoscope bending part | |
| CN214342218U (en) | Endoscope bending part | |
| CN212281292U (en) | Endoscope bending part | |
| CN215605556U (en) | Endoscope bending part | |
| CN113712611A (en) | Bone segment, vertebral segment assembly and surgical instrument | |
| KR100867656B1 (en) | Bending section for endoscope | |
| CN110367911A (en) | A kind of snake bone and preparation method thereof | |
| CN219021101U (en) | Snake bone unit, snake bone, insertion part and endoscope | |
| KR101311232B1 (en) | Bending type end-effector | |
| CN112985656B (en) | Force or force shape sensing integrated driving wire of flexible robot and application method thereof | |
| CN115316914A (en) | Bendable structure, flexible instrument and endoscope | |
| CN115104996A (en) | Self-adaptive bending tube, bending tube for endoscope and endoscope | |
| CN210204673U (en) | Bendable device of endoscope insertion tube and endoscope | |
| CN219397178U (en) | Snake bone and endoscope | |
| US20230255700A1 (en) | Surgical robotic arm, flexible arm and flexible joint |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240115 Address after: Room 3554, 3rd Floor, Building 3, No. 25 Yanqi South Fourth Street, Yanqi Economic Development Zone, Huairou District, Beijing, 101407 Applicant after: Zhongke Optoelectronics (Beijing) Intelligent Technology Co.,Ltd. Address before: 201100 rooms 401, 402, 403, 405, building 5, 439 Jinglian Road, Minhang District, Shanghai Applicant before: SHANGHAI EDA PHOTOELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right |