CN108836235B - Controllable bending pipe structure - Google Patents
Controllable bending pipe structure Download PDFInfo
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- CN108836235B CN108836235B CN201810476037.XA CN201810476037A CN108836235B CN 108836235 B CN108836235 B CN 108836235B CN 201810476037 A CN201810476037 A CN 201810476037A CN 108836235 B CN108836235 B CN 108836235B
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- bending
- pipe section
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- 238000005452 bending Methods 0.000 title claims abstract description 104
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
Abstract
The invention discloses a controllable bending pipe structure, which comprises a plurality of circular pipe sections connected in series, wherein one end of each pipe section is provided with a C-shaped engaging part, the other end of each pipe section is provided with a C-shaped notch and a spherical bulge which are matched with the C-shaped engaging part, the opening direction of the C-shaped engaging part forms a first included angle with the axial direction of a controllable bending pipe, the C-shaped engaging part can be inserted into the C-shaped notch of an adjacent pipe section, the spherical bulge of the adjacent pipe section is clamped in the center of the C-shaped engaging part, and the two end parts of the C-shaped engaging part can relatively move in the C-shaped notch of the adjacent pipe section after being clamped. The spherical bulges clamped when the controllable bending tube is bent are difficult to fall off from the C-shaped occlusion parts, so that the connection between the tube sections is more firm, and the C-shaped occlusion parts can form displacement in the C-shaped notch, thereby providing bending space required by bending the tube body, being beneficial to controlling the bending degree by controlling the displacement degree and providing great convenience for operation.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a controllable bending tube structure.
Background
An endoscope applicable to industrial and medical applications is provided with an insertion portion to be inserted into a living body or a tube. In general, in an endoscope having a soft insertion portion, a controllable bending portion is provided on a distal end side of the insertion portion. The bending portion is capable of bending in response to an operation of an operation device provided in the operation portion. Therefore, in an endoscope having a bending portion, the direction of the observation portion provided at the distal end portion can be oriented in a desired direction by the operation device.
In the patent application CN200510076111.1, a bendable portion (8 ') is disclosed, the bendable portion (8') being arranged at the distal end of an insertion tube of an endoscope, comprising: -a plurality of pipe sections (9 '), each of said pipe sections (9 ') having a connection means (11), which connection means (11) cooperate with connection means (11) of an adjacent pipe section (9 '); and a control wire with which bending of the bendable portion (8') can be controlled; wherein the individual connection means (11) of the pipe sections (9 ') are arranged such that they protrude axially from their faces (12 and 13 respectively) and are positioned in the housing (15') of the pipe section (9 ') such that they do not exceed the thickness of the housing, wherein the connection means (11) arranged on the individual faces (12 and 13 respectively) of adjacent pipe sections (9') and positioned opposite each other are complementary to each other in a hinged connection.
Patent document CN201280041664.1 discloses a bending portion having a bending block group in which a plurality of bending blocks are rotatably and continuously provided, the bending block group being formed by cutting a hard tube to form bending blocks, and forming a convex portion on one side of the bending block and a concave portion on the other side of the bending block to form an engaging portion rotatably connecting the bending blocks, wherein the engaging portion includes: a 1 st engagement portion which is composed of a 1 st convex portion formed on one side of the bending block by cutting and a 1 st concave portion simultaneously formed on the other side of the bending block and for sliding the 1 st convex portion; and a 2 nd engaging portion including a pair of 2 nd projecting portions formed on the other side of the bending block through the 1 st recess portion by cutting and a pair of 2 nd recess portions formed on the one side of the bending block at the same time for the pair of 2 nd projecting portions to slide respectively, wherein either a 1 st reinforcing portion which cuts off a part of a bottom portion of the 1 st recess portion and widens a bending block end on one end side or a 2 nd reinforcing portion which widens a bending block end on the other end side from a bottom surface of the pair of 2 nd recess portions is provided in the bending block.
Patent document CN201580047959.3 discloses an endoscope apparatus having a bending tube with enhanced resistance to external forces applied to a plurality of bending pieces formed to be connected by laser drawing, including pulling, bending, and twisting. In order to achieve the above object, a bending tube according to an embodiment of the present invention includes: a 1 st bending block for forming a bendable bending tube; a 2 nd flexure block for rotation relative to the 1 st flexure block; a link portion formed in the 1 st bending block and having a rotation shaft for rotating the 2 nd bending block; an engagement portion formed in the 2 nd bending block and having a sliding surface substantially parallel to the rotation axis and sliding with respect to the link portion, the engagement portion being engaged with the link portion so as to be rotatable; and a receiving portion formed in the 1 st bending piece in the vicinity of the link portion, the receiving portion having a vertical surface that can come into contact with the engagement portion when the engagement portion engaged with the link portion rotates, the receiving portion being formed in a direction substantially perpendicular to the rotation axis.
However, in the curved tube structure provided in the above document, the connection structures of the respective curved blocks or tube segments constituting the curved tube are recesses and protrusions that are engaged with each other, and the opening direction of the recesses is consistent with the axial direction of the curved tube, and the protrusions are engaged into the recesses along the axial direction of the curved tube to connect the respective curved blocks or tube segments in series.
Disclosure of Invention
The invention discloses a controllable bending pipe structure, which comprises a plurality of circular pipe sections which are mutually connected in series and form a controllable bending pipe, and a control device for controlling the controllable bending pipe to bend, wherein one end of each pipe section is provided with a C-shaped engaging part in a protruding mode, the wall of each pipe section is provided with a C-shaped notch and a spherical bulge which are matched with the C-shaped engaging part, the opening direction of each C-shaped engaging part forms an included angle with the axial direction of the controllable bending pipe, when the pipe section is connected with an adjacent pipe section in series, the spherical bulge can be clamped into the C-shaped engaging part of the adjacent pipe section, so that the C-shaped engaging part of the adjacent pipe section can be embedded into the C-shaped notch of the pipe section, and two ends of the C-shaped engaging part of the adjacent pipe section can relatively move in the C-shaped notch of the pipe section after clamping.
Preferably, the opening direction of the C-shaped occlusion part forms an included angle with the axial direction of the controllably bending tube in the range of 10-90 degrees.
Further, two C-shaped engaging parts are arranged on one end of each pipe section in the circumferential direction relatively, two groups of C-shaped notches and spherical protrusions matched with the C-shaped engaging parts are correspondingly arranged on the wall of each pipe section in the circumferential direction relatively, a crack is formed between any two adjacent pipe sections after being clamped, and the crack is arranged at intervals of the C-shaped engaging parts and extends along the circumferential direction of the pipe section.
Preferably, one or more grooves are provided in the pipe section wall between each pipe section and the pinch formed by the two pipe sections, the grooves extending in the circumferential direction of the respective pipe sections.
Further, the control device comprises one or more traction wires which penetrate from one end of the pipe joints connected in series, and are fixedly connected with the pipe joint positioned at the outermost end of the other end of the pipe joints connected in series.
Preferably, the tube segment is further provided with one or more fixing portions for fixing the traction wires.
Further, the fixing parts are uniformly distributed in the circumferential direction of the pipe joint.
Preferably, the fixing part is a circular tube fixedly connected to the inner wall of the pipe joint.
According to the controllable bending pipe structure, as the opening direction of the C-shaped engaging part of each pipe section forming the bending pipe forms an included angle with the axial direction of the bending pipe, the spherical protrusions which are clamped during bending are difficult to fall off from the opening direction, so that the connection between each pipe section is more firm, and the C-shaped engaging part can form displacement in the C-shaped notch, so that the bending space required by pipe bending is provided, the bending degree is controlled by controlling the displacement degree, great convenience is provided for operation, and the controllable bending pipe structure has high practical value.
In order to make the above-mentioned objects of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The invention will now be described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of a controllably bending tube as disclosed in an embodiment of the present invention;
FIG. 2 is a schematic view of a pipe joint according to an embodiment of the present invention;
FIG. 3 is a side view of one direction of a controllably curved tube as disclosed in an embodiment of the present invention;
FIG. 4 is a side view of another orientation of the controllably curved tube disclosed in an embodiment of the present invention;
fig. 5 is a schematic view showing the overall structure of a bending state of a controllable bending tube according to an embodiment of the present invention.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present invention with specific examples.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the examples described herein, which are provided to fully and completely disclose the present invention and fully convey the scope of the invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, like elements/components are referred to by like reference numerals.
Unless otherwise indicated, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art. In addition, it will be understood that terms defined in commonly used dictionaries should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
The structure of the controllable bending tube 100 shown in fig. 1 is obviously visible, and the controllable bending tube comprises a plurality of circular tube-shaped tube sections 10 which are connected in series and form the controllable bending tube, as can be seen from fig. 2, one end of each tube section 10 is provided with a C-shaped engaging part 101 in a protruding mode, the tube section wall is provided with a C-shaped notch 102 matched with the C-shaped engaging part and a spherical protrusion 103, the opening direction of the C-shaped engaging part 101 forms an included angle r with the axial direction of the controllable bending tube 100, when the tube section 10 is connected in series with the adjacent tube section 10 ', the spherical protrusion 103 can be clamped with the C-shaped engaging part inner 101 of the adjacent tube section, so that the C-shaped engaging part 101 of the adjacent tube section 10 ' can be embedded into the C-shaped notch 102 of the tube section 10, and two ends of the C-shaped engaging part 101 of the adjacent tube section 10 ' can relatively move in the C-shaped notch 102 of the tube section 10 after clamping.
Specifically, if the pipe sections are required to be connected together, and additional devices such as bolts are not required to be applied, a clamping structure is arranged at one end of each pipe section to clamp or clamp the protruding portion at the other end of each adjacent pipe section, in the embodiment of the invention, a C-shaped clamping portion 101 is arranged at one end of each pipe section in a protruding manner, a C-shaped notch 102 which is mutually matched with the C-shaped clamping portion is arranged at the other end of each adjacent pipe section, and a spherical protrusion 103 is arranged at one side of the center of each C-shaped notch, and because the opening direction of each C-shaped clamping portion 101 forms an included angle r with the axial direction of the bent pipe 10, the spherical protrusion 103 is arranged at one side of the center of each C-shaped notch 102 in a matching manner, and the diameter of the spherical protrusion is larger than the opening caliber of each C-shaped clamping portion, so that the spherical protrusion 103 is difficult to fall off from the opening of each C-shaped clamping portion in an axial clamping manner when being stretched or bent, the C-shaped clamping portion can be firmly clamped in the C-shaped clamping portion, and the C-shaped clamping portion can be displaced in the C-shaped notch to provide bending space for the pipe body, and the stability of the pipe section can be ensured, and the controllability between the pipe sections can be simultaneously improved.
The pipe joint 10 in the embodiment of the invention has simple structure, can be formed by laser cutting, and has low processing cost and high yield. The material of the pipe wall is preferably a metal material, such as sus304, sus316 or nickel-titanium alloy. Nonmetallic materials such as nylon, polyurethane (PU), thermoplastic polyurethane elastomer rubber (TPU), polyvinyl chloride (PVC), thermoplastic elastomer (TPE) and other plastic materials can also be selected.
In a preferred embodiment of the present invention, the first included angle r formed by the opening direction of the C-shaped engaging portion 101 and the axial direction of the controllable bending tube 10 may be in the range of 10 ° -90 °, and the optimal clamping and limiting effect can be obtained in this range, so that the convenience of the connection process and the stable limiting effect can be obtained, and thus the present invention can be well applied in practice.
According to an embodiment of the present invention, the C-shaped notch 102 into which the C-shaped bite 101 is inserted should also have an opening, and the direction of the opening may be consistent with the axial direction of the controllably curved tube 100, so that the C-shaped bite 101 is conveniently embedded into the C-shaped notch on the tube segment wall of the adjacent tube segment, which facilitates the connection of two tube segments in series, and increases the convenience of installation.
A plurality of C-shaped engaging parts can be arranged on one end of each pipe joint 10 in a protruding mode in the circumferential direction so as to meet the bending direction requirements of different application scenes. In another preferred embodiment of the present invention, as shown in fig. 3 to 5, two opposite C-shaped engaging portions 101 are circumferentially provided at one end of each tube segment 10, two sets of C-shaped notches 102 and spherical protrusions 103 matching with the C-shaped engaging portions 101 are correspondingly provided at the circumferential direction of the tube segment wall, a slit 104 is provided between any two adjacent tube segments 10 and 10 'after engagement, the slit 104 is provided at intervals of the C-shaped engaging portions and extends along the circumferential direction of the tube segment, the controllable bending tube of this embodiment can bend in two directions under the control of the control device, the slit 104 provides a bending space for bending the controllable bending tube 100, when the controllable bending tube is bent in one direction, the C-shaped engaging portions 101 of each tube segment 10 displace in the C-shaped notches 102 of the adjacent tube segment 10', specifically, a certain angle of rotation occurs around the spherical protrusions 103, and at the same time, the opening directions of the C-shaped notches 102 correspondingly rotate, and the opposite side slits 104 provided at intervals of the C-shaped engaging portions 101 are increased on one side, and the opposite side slits 104 are satisfied on the other side, and when the opposite side slits of the other side of the C-shaped engaging portions 101 are bent, the opposite side is bent, and the opposite bending space is reduced, and the bending space is required when the opposite bending tube is bent in all directions. It will be appreciated by those skilled in the art that the design of the C-shaped bite should not be limited to the positions and numbers provided in this embodiment, and may be designed accordingly to meet different bending direction requirements depending on the particular application scenario.
As can be seen in fig. 4, one or more grooves 105 may be further provided between each pipe section 10 and the slit 104 formed by the adjacent pipe section 10', the grooves 105 extending in the circumferential direction of the pipe section 10, and the grooves 105 may have various shapes such as a circular shape, a square shape, or an elongated shape. The two elongated slots 105 parallel to each other are provided between the slits 104 of each tube segment 10 shown in fig. 4, and the slots 105 can further provide space for bending the tube body, increase the angle range of bending the tube body controllably, enhance the flexibility of the tube body, and reduce the weight and manufacturing cost of the tube body, which is a very ingenious design in practice.
In order to allow a user to better control the controllable bending device, in one embodiment of the invention the pipe sections 10 connected in series with each other are also controlled by means of a control device. Further, the control device is preferably one or more traction wires, and is used for controlling the pipe joint 10 after being connected in series to bend towards one or more directions, the traction wires penetrate from one end of the pipe joint 10 connected in series with each other and are fixedly connected with the pipe joint 10 positioned at the outermost end of the other end of the pipe joint 10 connected in series with each other, when external force is applied to the traction wires, namely the traction wires are pulled, the pipe joint 10 fixedly connected with the traction wires can be driven to move, at the moment, the C-shaped engagement part 101 on the pipe joint 10 rotates with the spherical bulge 103 of the pipe joint 10 ' adjacent to the C-shaped engagement part 101 of the pipe joint 10, and when the C-shaped engagement part 101 of the pipe joint 10 rotates to the limit position of the C-shaped notch 102 of the adjacent pipe joint 10 ', the traction wires are pulled continuously, the adjacent pipe joint 10 ' can be driven continuously to rotate continuously, so that the whole bending device is bent; when the bending device is bent to the angle required by the user, the external force applied to the bending device is removed, and the traction wire is fixed, so that the bending device can be kept at the bending position.
Further, in one embodiment of the present invention, the traction portion is preferably a steel wire, but not limited thereto, and the traction portion may be any filament-like structure, and the filament-like structure may be made of any metal or nonmetal material.
In order to better fit the traction wire with the bending device, and prevent the traction wire from moving in the pipe joint 10 of the bending device to influence the bending effect, in one embodiment of the invention, one or more fixing parts for fixing the traction wire can be further arranged on the pipe joint 10. In one embodiment of the invention, one or two traction wires may be preferably provided as a control device 20 within a plurality of pipe sections 10 connected in series so that the controllable bending device may bend in one or two directions. Further, in this embodiment, when the pipe section 10 is provided with a plurality of fixing portions, the plurality of fixing portions are uniformly distributed on the pipe section 10 to ensure that the bending device can bend in various directions.
Further, the fixing portion may be a circular tube fixedly connected to the inner wall of the pipe joint 10, or may be a wire slot formed in the inner wall of the pipe joint 10. The traction wire is fixed through the fixing part, so that the failure of the controllable bending device caused by the slipping of the traction wire can be prevented. The controllable bending device can bend the pipe section group by utilizing the control part according to the needs of a user, and can bend towards any direction required by the user, so that the controllable bending device is flexible and convenient. The above provides a preferred control means for controlling the controllable bending tube, and those skilled in the art will appreciate that in practice a number of control means or control devices are included for controlling the bending of the controllable bending tube in a desired direction, and are not limited to the control devices provided in the preferred embodiments described above.
In summary, according to the controllable bending tube structure, since the opening of the C-shaped engaging portion of each joint forming the bending tube forms an included angle with the axial direction of the bending tube, the spherical protrusions engaged during bending are difficult to fall off from the opening, so that the connection between the tube sections is more tight, and the C-shaped engaging portion can relatively move in the C-shaped notch to form displacement, thereby providing a bending space required by bending the tube body, being beneficial to controlling the bending degree by controlling the displacement degree, providing great convenience for operation and having high practical value.
Furthermore, the foregoing embodiments of the invention are illustrative only of the principles and functions of the present invention, and are not in limitation thereof. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations be included in the scope of the following claims be embraced by the claims, which are intended to be included within the scope of the present invention.
Claims (7)
1. The controllable bending pipe structure is characterized by comprising a plurality of circular pipe sections which form the controllable bending pipe and a control device for controlling the controllable bending pipe to bend, wherein one end of each pipe section is provided with a C-shaped meshing part in a protruding mode, the wall of each pipe section is provided with a C-shaped notch matched with the C-shaped meshing part and a spherical bulge, the opening direction of each C-shaped meshing part forms an included angle with the axial direction of the controllable bending pipe, the diameter of each spherical bulge is larger than the opening caliber of each C-shaped meshing part, when the pipe section is connected in series with the adjacent pipe section, the spherical bulge can be clamped into the C-shaped meshing part of the adjacent pipe section, so that the two ends of the C-shaped meshing part of the adjacent pipe section can relatively move in the C-shaped notch of the pipe section after being clamped;
two C-shaped engaging parts are oppositely arranged on one end of each pipe joint in the circumferential direction, two groups of C-shaped notches and spherical protrusions which are matched with the C-shaped engaging parts are correspondingly arranged on the circumferential direction of the pipe joint wall of each pipe joint, a gap is formed between any two adjacent pipe joints after the pipe joints are clamped, the gap is arranged at intervals of the C-shaped engaging parts and extends along the circumferential direction of the pipe joint, the controllable bent pipe is bent towards two directions under the control of the control device, the gap provides a bending space for bending of the controllable bent pipe, when the controllable bent pipe is bent towards one direction, the C-shaped engaging parts of each pipe joint rotate around the spherical protrusions by a certain angle in the C-shaped notches of the adjacent pipe joints, the opening direction of each C-shaped notch also correspondingly rotates, and the gap on one side of the opposite two opposite sides of the gap arranged at intervals of each C-shaped engaging part is increased, and the gap on the other side of the opposite sides of the gap is decreased so as to meet the bending space required by the pipe body.
2. The steerable bend tube structure of claim 1, wherein the opening direction of the C-shaped bite is in the range of 10 ° to 90 ° from the axial direction of the steerable bend tube.
3. A controllably curved tube structure according to claim 1, wherein one or more grooves are provided in the tube section wall between each tube section and the pinch formed by the adjacent tube sections, said grooves extending in the circumferential direction of the respective tube sections.
4. A controllably curved tube structure according to claim 1, wherein said control means comprises one or more traction wires threaded from one end of said tube segments in series with each other and fixedly connected to said tube segments at the outermost ends of the other ends of said tube segments in series with each other.
5. The steerable bend tube structure of claim 4, wherein the tube segment is further provided with one or more securing portions for securing the pull wire.
6. The controllably curved tube structure of claim 5, wherein said securing portions are uniformly distributed about the circumference of said tube segment.
7. The steerable bend tube structure of claim 6, wherein the securing portion is a circular tube fixedly attached to the inner wall of the tube segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810476037.XA CN108836235B (en) | 2018-05-17 | 2018-05-17 | Controllable bending pipe structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810476037.XA CN108836235B (en) | 2018-05-17 | 2018-05-17 | Controllable bending pipe structure |
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| CN108836235A CN108836235A (en) | 2018-11-20 |
| CN108836235B true CN108836235B (en) | 2024-02-09 |
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| CN201810476037.XA Active CN108836235B (en) | 2018-05-17 | 2018-05-17 | Controllable bending pipe structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108553069B (en) * | 2018-05-17 | 2020-08-28 | 黄琴 | Controllable bent pipe structure |
| CN108577789A (en) | 2018-05-17 | 2018-09-28 | 上海安清医疗器械有限公司 | Endoscope |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0764423A1 (en) * | 1995-09-22 | 1997-03-26 | Richard Wolf GmbH | Bendable pipe and process of manufacturing |
| CN1723835A (en) * | 2004-06-08 | 2006-01-25 | 亨克-萨斯,沃尔夫有限公司 | Bendable portion of an insertion tube of an endoscope and method of producing it |
| WO2008146510A1 (en) * | 2007-05-31 | 2008-12-04 | Olympus Corporation | Curved tube in endoscope, endoscope, and method of manufacturing curved tube in endoscope |
| EP2581031A1 (en) * | 2011-10-13 | 2013-04-17 | Johann Klaffenböck | Bending device |
| WO2013084985A1 (en) * | 2011-12-06 | 2013-06-13 | オリンパスメディカルシステムズ株式会社 | Flexure |
| JP5489141B1 (en) * | 2013-09-04 | 2014-05-14 | 株式会社アクトメント | Bent tube, method for manufacturing the same, and various apparatuses including the same |
| CN205947765U (en) * | 2016-03-03 | 2017-02-15 | 申亚琪 | Endoscope of controllable bending apparatus and controllable bending |
| CN106901676A (en) * | 2016-03-03 | 2017-06-30 | 申亚琪 | Controlled deflection device |
| CN209360629U (en) * | 2018-05-17 | 2019-09-10 | 上海安清医疗器械有限公司 | Controllable bending curved tube structure |
-
2018
- 2018-05-17 CN CN201810476037.XA patent/CN108836235B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0764423A1 (en) * | 1995-09-22 | 1997-03-26 | Richard Wolf GmbH | Bendable pipe and process of manufacturing |
| CN1723835A (en) * | 2004-06-08 | 2006-01-25 | 亨克-萨斯,沃尔夫有限公司 | Bendable portion of an insertion tube of an endoscope and method of producing it |
| WO2008146510A1 (en) * | 2007-05-31 | 2008-12-04 | Olympus Corporation | Curved tube in endoscope, endoscope, and method of manufacturing curved tube in endoscope |
| EP2581031A1 (en) * | 2011-10-13 | 2013-04-17 | Johann Klaffenböck | Bending device |
| WO2013084985A1 (en) * | 2011-12-06 | 2013-06-13 | オリンパスメディカルシステムズ株式会社 | Flexure |
| JP5489141B1 (en) * | 2013-09-04 | 2014-05-14 | 株式会社アクトメント | Bent tube, method for manufacturing the same, and various apparatuses including the same |
| CN205947765U (en) * | 2016-03-03 | 2017-02-15 | 申亚琪 | Endoscope of controllable bending apparatus and controllable bending |
| CN106901676A (en) * | 2016-03-03 | 2017-06-30 | 申亚琪 | Controlled deflection device |
| CN209360629U (en) * | 2018-05-17 | 2019-09-10 | 上海安清医疗器械有限公司 | Controllable bending curved tube structure |
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| CN108836235A (en) | 2018-11-20 |
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