CN110575114A - Bending mechanism, bending control device, and endoscope - Google Patents
Bending mechanism, bending control device, and endoscope Download PDFInfo
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- CN110575114A CN110575114A CN201910881348.9A CN201910881348A CN110575114A CN 110575114 A CN110575114 A CN 110575114A CN 201910881348 A CN201910881348 A CN 201910881348A CN 110575114 A CN110575114 A CN 110575114A
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- 238000005452 bending Methods 0.000 title claims abstract description 184
- 230000007246 mechanism Effects 0.000 title claims abstract description 48
- 238000009434 installation Methods 0.000 claims abstract description 28
- 238000003780 insertion Methods 0.000 claims description 33
- 230000037431 insertion Effects 0.000 claims description 33
- 230000005540 biological transmission Effects 0.000 claims description 10
- 210000004907 gland Anatomy 0.000 claims description 10
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 13
- 238000001514 detection method Methods 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
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- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000036285 pathological change Effects 0.000 description 2
- 231100000915 pathological change Toxicity 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
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Classifications
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- 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
- A61B1/00071—Insertion part of the endoscope body
-
- 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
- A61B1/00131—Accessories for endoscopes
-
- 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
- A61B1/0052—Constructional details of control elements, e.g. handles
-
- 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
Abstract
the invention discloses a bending mechanism, a bending control device and an endoscope.A first adjusting rope and a second adjusting rope are respectively wound on a mounting surface from two opposite sides of a rotating wheel along a bending groove; and then the first adjusting rope and the second adjusting rope are respectively fixed on the mounting surface, so that the bending mechanism structure is reasonably designed, the mounting mode of the adjusting ropes on the rotating wheel is simplified, the first adjusting rope and the second adjusting rope are rapidly mounted on the rotating wheel, the assembly efficiency of the endoscope is greatly improved, and the endoscope is convenient for medical workers to use. Because the both ends in the groove of bending all pierce through the installation face, extend respectively to the installation face on the both ends in the groove of bending promptly, consequently, guarantee first regulation rope and second and adjust the rope and when passing through to the installation face from the face of bending, all be located the inslot of bending, avoid first regulation rope and second to adjust the rope and be broken away from easily in the groove of bending by jack-up at the juncture of face of bending and installation face.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a bending mechanism, a bending control device and an endoscope.
Background
In order to clearly and visually know the pathological change part and improve the accuracy of pathological change diagnosis, the endoscope plays a vital role in the operation process. The conventional endoscope mainly comprises an insertion part, a connecting part and an operation part, wherein the insertion part is introduced into a pre-examined organ; the inserting part is controlled by the operating part to bend so as to observe the organ. However, the traditional mode of installing the wire on the operating part on the rotating wheel is complex, so that the assembly difficulty is high, and the use of the endoscope is seriously influenced. Meanwhile, in the bending operation process, the wire is easy to separate from the rotating wheel, so that the insertion part cannot be bent, and the detection result of the operation is influenced.
Disclosure of Invention
Therefore, a bending mechanism, a bending control device and an endoscope are needed to be provided, the structure is simple, the installation of an adjusting rope is convenient, and the endoscope can be assembled quickly; meanwhile, the wire rod is effectively prevented from being separated from the rotating wheel, and the accuracy of the operation detection result is ensured.
The technical scheme is as follows:
A bending mechanism comprising: the rotating wheel is rotatably arranged in the control shell and comprises a bending surface and an installation surface which are oppositely arranged, a bending groove is formed in the bending surface and is arranged along the circumferential direction of the rotating wheel, and two ends of the bending groove penetrate through the installation surface; the first adjusting rope and the second adjusting rope are wound on the mounting surface along the bending groove from two opposite sides of the rotating wheel respectively, and the first adjusting rope and the second adjusting rope are connected on the mounting surface.
The bending mechanism is characterized in that the first adjusting rope and the second adjusting rope are wound on the mounting surface along the bending groove from two opposite sides of the rotating wheel respectively; and then the first adjusting rope and the second adjusting rope are respectively fixed on the mounting surface, so that the bending mechanism structure is reasonably designed, the mounting mode of the adjusting ropes on the rotating wheel is simplified, the first adjusting rope and the second adjusting rope are rapidly mounted on the rotating wheel, the assembly efficiency of the endoscope is greatly improved, and the endoscope is convenient for medical workers to use. Because the both ends in the groove of bending all pierce through the installation face, the both ends in the groove of bending extend to on the installation face respectively promptly, consequently, when guaranteeing that first regulation rope and second regulation rope transition from the face of bending to the installation face, all be located the inslot of bending, avoid first regulation rope and second regulation rope to be broken away from easily at the juncture of the face of bending and installation face by jack-up and in the inslot of bending, so, make first regulation rope and second regulation rope be located the inslot of bending throughout at bending process, so that the portion of inserting realizes stably in the human body, accurate bending, thereby be favorable to improving the accuracy of operation testing result.
the principle and effect of the invention will be further explained by combining the above scheme:
In one embodiment, the rotating wheel is provided with a first guide portion and a second guide portion, the first guide portion and the second guide portion are located in the bending groove at intervals, a first guide through hole and a second guide through hole are correspondingly formed in the first guide portion and the second guide portion respectively, the first adjusting rope penetrates out of the first guide through hole to the installation surface, and the second adjusting rope penetrates out of the second guide through hole to the installation surface.
In one embodiment, the bending mechanism further comprises a fixing piece, a mounting groove is formed in the mounting surface, and the first adjusting rope and the second adjusting rope are connected in the mounting groove through the fixing piece.
In one embodiment, the installation surface is further provided with more than two wire grooves, one end of the installation groove is communicated with one end of the bending groove through the wire grooves, and the other end of the installation groove is communicated with the other end of the bending groove through the wire grooves.
In one embodiment, the number of the fixing pieces and the number of the mounting grooves are two, the first adjusting rope is connected to one of the mounting grooves through one of the fixing pieces, and the second adjusting rope is connected to the other mounting groove through the other fixing piece.
In one embodiment, the first adjusting rope and the second adjusting rope are connected to the fixing member, the fixing member is embedded into the mounting groove, and two ends of the fixing member respectively abut against two opposite side walls of the mounting groove.
In one embodiment, the bending mechanism further comprises a gland, the gland is arranged on the mounting surface, and the fixing piece is located between the mounting surface and the gland.
The utility model provides a bending control device, includes control shell, adjustment handle and above arbitrary one bending mechanism, the runner is rotationally installed in the control shell, adjustment handle rotationally install on the control shell and with runner transmission cooperation, be equipped with the through wires hole on the control shell, first regulation rope with the second is adjusted the rope and is all passed through the through wires hole is used for being connected with the portion of inserting.
The bending control device adopts the bending mechanism, and the first adjusting rope and the second adjusting rope are wound on the mounting surface along the bending groove from two opposite sides of the rotating wheel respectively; and then the first adjusting rope and the second adjusting rope are respectively fixed on the mounting surface, so that the bending mechanism structure is reasonably designed, the mounting mode of the adjusting ropes on the rotating wheel is simplified, the first adjusting rope and the second adjusting rope are rapidly mounted on the rotating wheel, the assembly efficiency of the endoscope is greatly improved, and the endoscope is convenient for medical workers to use. Because the both ends in the groove of bending all pierce through the installation face, the both ends in the groove of bending extend to on the installation face respectively promptly, consequently, when guaranteeing that first regulation rope and second regulation rope transition from the face of bending to the installation face, all be located the inslot of bending, avoid first regulation rope and second regulation rope to be broken away from easily at the juncture of the face of bending and installation face by jack-up and in the inslot of bending, so, make first regulation rope and second regulation rope be located the inslot of bending throughout at bending process, so that the portion of inserting realizes stably in the human body, accurate bending, thereby be favorable to improving the accuracy of operation testing result.
in one embodiment, the bending control device further includes a first rope loop and a second rope loop, the first rope loop and the second rope loop are arranged in the control shell side by side, and the first rope loop and the second rope loop are respectively sleeved on the first adjusting rope and the second adjusting rope in a corresponding manner.
In one embodiment, the bending control device further comprises a first operating rope connected to the first adjusting rope and a second operating rope connected to the second adjusting rope, and the first operating rope and the second operating rope both extend out of the control shell through the threading holes.
In one embodiment, the bending control device further comprises a locking member disposed on the control housing, and the locking member is used for locking the rotating wheel.
In one embodiment, a rotating shaft is arranged on the rotating wheel, a bearing seat is arranged in the control shell, and the rotating shaft is sleeved outside or inside the bearing seat.
An endoscope comprising the bending control apparatus of any one of the above.
The endoscope adopts the bending mechanism, and the first adjusting rope and the second adjusting rope are wound on the mounting surface along the bending groove from two opposite sides of the rotating wheel respectively; and then the first adjusting rope and the second adjusting rope are respectively fixed on the mounting surface, so that the bending mechanism structure is reasonably designed, the mounting mode of the adjusting ropes on the rotating wheel is simplified, the first adjusting rope and the second adjusting rope are rapidly mounted on the rotating wheel, the assembly efficiency of the endoscope is greatly improved, and the endoscope is convenient for medical workers to use. Because the both ends in the groove of bending all pierce through the installation face, the both ends in the groove of bending extend to on the installation face respectively promptly, consequently, when guaranteeing that first regulation rope and second regulation rope transition from the face of bending to the installation face, all be located the inslot of bending, avoid first regulation rope and second regulation rope to be broken away from easily at the juncture of the face of bending and installation face by jack-up and in the inslot of bending, so, make first regulation rope and second regulation rope be located the inslot of bending throughout at bending process, so that the portion of inserting realizes stably in the human body, accurate bending, thereby be favorable to improving the accuracy of operation testing result.
Drawings
FIG. 1 is a schematic view of a bending mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic view of the rotor of FIG. 1;
FIG. 3 is a cross-sectional view of the rotor structure of FIG. 2;
FIG. 4 is a schematic view of a bending mechanism according to another embodiment of the present invention;
FIG. 5 is a schematic view of the rotor of FIG. 4;
FIG. 6 is a schematic view of the gland structure of FIG. 4;
FIG. 7 is a schematic structural diagram of a bending control apparatus according to an embodiment of the present invention;
FIG. 8 is an exploded view of a bend control apparatus according to an embodiment of the present invention;
FIG. 9 is a partial schematic view of a connection structure of an adjusting rope and an operating rope according to an embodiment of the present invention;
Fig. 10 is a partial schematic view of a connection structure of an adjusting rope and an operating rope according to another embodiment of the invention.
Description of reference numerals:
100. bending mechanism, 110, turning wheel, 111, bending surface, 1111, bending groove, 112, mounting surface, 1121, mounting groove, 1122, wire guide groove, 113, rotating shaft, 1131, first shaft hole, 114, first guide portion, 1141, first guide through hole, 115, second guide portion, 1151, second guide through hole, 120, first adjusting rope, 130, second adjusting rope, 140, pressing cover, 141, first fastening portion, 142, second fastening portion, 143, connecting portion, 144, fixing portion, 1441, fixing groove, 150, fixing member, 200, control housing, 210, bearing seat, 211, second shaft hole, 220, mounting seat, 221, first mounting member, 222, second mounting member, 230, locking hole, 240, threading hole, 250, first housing, 260, second housing, 270, first limiting portion, 280, second limiting portion, 300, adjusting handle, 310, transmission shaft, 400, locking member, 500, first rope sleeve, 510, and the like, A second rope socket 600, a first operating rope 610, a second operating rope 700, a first adjusting piece 800 and a second adjusting piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
it will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.
In one embodiment, referring to fig. 1, 4 and 7, a bending mechanism 100 includes: a wheel 110, a first adjusting rope 120 and a second adjusting rope 130. The rotor 110 is rotatably disposed in the control housing 200, and the rotor 110 includes a curved surface 111 and a mounting surface 112 opposite to each other. The bending surface 111 is provided with a bending groove 1111. The bent groove 1111 is disposed along the circumferential direction of the wheel 110, and both ends of the bent groove 1111 penetrate the mounting surface 112. The first adjusting rope 120 and the second adjusting rope 130 are wound on the mounting surface 112 along the bending groove 1111 from two opposite sides of the rotating wheel 110, and both the first adjusting rope 120 and the second adjusting rope 130 are connected to the mounting surface 112.
In the bending mechanism 100, the first adjusting rope 120 and the second adjusting rope 130 are respectively wound on the mounting surface 112 along the bending groove 1111 from opposite sides of the rotating wheel 110; and then the first adjusting rope 120 and the second adjusting rope 130 are fixed on the mounting surface 112, so that the bending mechanism 100 is designed reasonably, the mounting manner of the adjusting ropes on the rotating wheel 110 is simplified, the first adjusting rope 120 and the second adjusting rope 130 are mounted on the rotating wheel 110 quickly, the assembly efficiency of the endoscope is greatly improved, and the endoscope is convenient for medical staff to use. Because both ends of the bending groove 1111 penetrate through the mounting surface 112, that is, both ends of the bending groove 1111 extend to the mounting surface 112, it is ensured that the first adjusting rope 120 and the second adjusting rope 130 are both located in the bending groove 1111 when the first adjusting rope 120 and the second adjusting rope 130 transition from the bending surface 111 to the mounting surface 112, and it is avoided that the first adjusting rope 120 and the second adjusting rope 130 are jacked up at the junction of the bending surface 111 and the mounting surface 112 and are easily separated from the bending groove 1111, so that the first adjusting rope 120 and the second adjusting rope 130 are always located in the bending groove 1111 in the bending process, so that the insertion portion can be stably and accurately bent in a human body, and the accuracy of the operation detection result is improved. Meanwhile, the bending mechanism 100 of the embodiment has a simple structure and is convenient to operate, not only is the use of medical personnel convenient, but also the manufacturing cost of the endoscope is favorably reduced, and the patient can bear the disposable use cost conveniently.
Optionally, the first adjustment cord 120 and the second adjustment cord 130 are connected to the mounting surface 112 by the fixing member 150 in the following manner: directly fixed to the mounting surface 112, for example, by binding, by plugging, by knotting, etc.; alternatively, the mounting surface 112 may be secured by additional fastening elements, such as bolts, screws, snaps, etc.
Alternatively, one end of the first adjustment cord 120 and one end of the second adjustment cord 130 may be connected together or disconnected. One end of the first adjusting rope 120 and one end of the second adjusting rope 130 are connected together by a knotting method, an integral forming method, an adhering method or other methods. When the first adjusting rope 120 and the second adjusting rope 130 are connected together in an integral forming mode, the first adjusting rope 120 and the second adjusting rope 130 are the same wire, so that the endoscope is convenient to assemble quickly; meanwhile, the production cost of the bending mechanism 100 is also reduced.
it should be noted that, referring to fig. 1 and 5, the connection of the first adjusting rope 120 and the second adjusting rope 130 to the mounting surface 112 through the fixing member 150 should be understood as follows: when the fixing member 150 is one, the first adjusting rope 120 and the second adjusting rope 130 are connected to the mounting surface 112 together through the fixing member 150; when the number of the fixing members 150 is two, the first adjusting rope 120 and the second adjusting rope 130 are respectively connected to the mounting surface 112 through the two fixing members 150; of course, the fixing member 150 may also be multiple, when the fixing member 150 is multiple, the first adjusting rope 120 is fixed by one part of the fixing member 150, and the second adjusting rope 130 is fixed by the other part of the fixing member 150, wherein the number ratio of the fixing members 150 corresponding to the first adjusting rope 120 and the second adjusting rope 130 may be specifically set according to actual needs.
It should be noted that, in this embodiment, specific materials of the first adjusting rope 120 and the second adjusting rope 130 are not limited, and only the first adjusting rope 120 and the second adjusting rope 130 need to realize stable bending of the insertion portion, for example, the first adjusting rope 120 and the second adjusting rope 130 may be steel wire ropes, nylon ropes, fiber ropes, or other material ropes.
To facilitate understanding of the bending process of the bending mechanism 100, taking fig. 1 or fig. 4 as an example, the wheel 110 is first rotated counterclockwise, so that the second adjusting rope 130 is wound on the bending surface 111, and thus the second adjusting rope 130 is in a tightened state; meanwhile, the first adjusting rope 120 is released from the bending surface 111, so that the first adjusting rope 120 is in a loose state, and thus, the elastic pipe sleeved on the adjusting rope is bent, so that the insertion part connected to the adjusting rope is bent downwards, and the adjustment of the direction of the insertion part is realized; similarly, the rotating wheel 110 is rotated clockwise, so that the first adjusting rope 120 is wound on the bending surface 111, and the first adjusting rope 120 is in a tightened state; at the same time, the second adjusting string 130 is released from the bending surface 111 so that the second adjusting string 130 is in a loose state, and thus, the insertion portion connected to the adjusting string is bent upward.
Further, referring to fig. 2 and fig. 3, the wheel 110 is provided with a first guiding portion 114 and a second guiding portion 115. The first guide portion 114 and the second guide portion 115 are spaced in the bending groove 1111, and a first guide through hole 1141 and a second guide through hole 1151 are respectively and correspondingly formed on the first guide portion 114 and the second guide portion 115. The first adjustment cord 120 extends out of the first guide through hole 1141 to the mounting surface 112. The second adjustment cord 130 extends out of the second guide through hole 1151 to the mounting surface 112. Therefore, in the installation process of the bending mechanism 100, the first adjusting rope 120 penetrates into the first guiding through hole 1141 from one side of the rotating wheel 110 along the bending groove 1111, penetrates out of the first guiding through hole 1141 and is wound on the installation surface 112; the second adjusting rope 130 passes through the second guiding through hole 1151 along the bending groove 1111 from the other side of the wheel 110, and passes through the second guiding through hole 1151 to be wound on the mounting surface 112. In this embodiment, the first guide portion 114 and the second guide portion 115 are disposed in the bending groove 1111, so that the first adjusting rope 120 and the second adjusting rope 130 are more smoothly wound or released, and the insertion portion can better perform the bending operation. Meanwhile, the first adjusting rope 120 and the second adjusting rope 130 are limited by the first guide portion 114 and the second guide portion 115 in the bending process, so that the shaking of the adjusting ropes in the bending process is reduced, and the stability of the bending mechanism 100 is improved. In the present embodiment, the first guide portion 114 and the second guide portion 115 are respectively disposed at two ends of the bending groove 1111, so that the guiding effect on the first adjusting rope 120 and the second adjusting rope 130 is greater, and the bending mechanism 100 is more stable.
In one embodiment, referring to fig. 1 and 5, the bending mechanism 100 further includes a fixing member 150. The mounting surface 112 is provided with a mounting groove 1121. The first adjusting rope 120 and the second adjusting rope 130 are both connected in the mounting groove 1121 through the fixing member 150. Therefore, the fixing member 150 is connected to the mounting groove 1121, so that the mounting operation of the fixing member 150 on the mounting surface 112 is facilitated, and the height of the fixing member 150 on the mounting surface 112 is reduced, so that the first adjusting rope 120 and the second adjusting rope 130 are arranged close to the mounting surface 112, and the situation that the bending mechanism 100 cannot be normally used due to the fact that the first adjusting rope 120 or the second adjusting rope 130 is easily separated from the rotating wheel 110 when the first adjusting rope 120 or the second adjusting rope 130 is in a loose state is avoided, and therefore, the stable operation of the bending mechanism 100 is facilitated to be.
Optionally, referring to fig. 1, the first adjusting rope 120 and the second adjusting rope 130 are connected in the mounting groove 1121 through the fixing member 150 in the following manner: the fixing member 150 is a bolt or a screw, and the first adjusting rope 120 and the second adjusting rope 130 are fixed on the mounting surface 112 by the bolt or the screw; or, the fixing element 150 is an adhesive, and the first adjusting rope 120 and the second adjusting rope 130 are adhered in the mounting groove 1121 through the adhesive; or, the fixing member 150 is a buckle structure, and the first adjusting rope 120 and the second adjusting rope 130 are buckled in the installing groove 1121 through the buckle structure, wherein when the fixing member 150 is the buckle structure, the first adjusting rope 120 and the second adjusting rope 130 can be connected to the buckle structure through a knotting manner or a bolt or screw fixing manner.
Alternatively, referring to fig. 1 and fig. 5, the number of the mounting grooves 1121 may be one, or may be more than two. When there is one mounting groove 1121, there may be one fixing element 150 or more than two fixing elements 150, and at this time, one or more than two fixing elements 150 are connected in the same mounting groove 1121; when there are two mounting grooves 1121, there are two fixing pieces 150, and at this time, the first adjusting rope 120 is connected in one of the mounting grooves 1121 through one of the fixing pieces 150, and the second adjusting rope 130 is connected in the other mounting groove 1121 through the other fixing piece 150; when there are a plurality of mounting grooves 1121, there are a plurality of fixing pieces 150, and the fixing pieces 150 and the mounting grooves 1121 are disposed in a one-to-one correspondence, where how the first adjusting rope 120 and the second adjusting rope 130 are fixed by the plurality of fixing pieces 150 is stated above, and details are not repeated here.
Further, referring to fig. 1, the mounting surface 112 is further provided with two or more wire slots 1122. One end of the mounting groove 1121 is communicated with one end of the bending groove 1111 through the wire groove 1122, and the other end of the mounting groove 1121 is communicated with the other end of the bending groove 1111 through the wire groove 1122. Therefore, in the installation process of the bending mechanism 100, the first adjusting rope 120 sequentially penetrates into the installation groove 1121 from the side of the rotating wheel 110 along the bending groove 1111 and the wire guide 1122, and is fixed by the fixing member 150; the second adjusting rope 130 sequentially passes through the bending groove 1111 and the wire guide 1122 from the other side of the wheel 110 into the mounting groove 1121, and is also fixed by the fixing member 150. So for first regulation rope 120 and second regulation rope 130 are in groove structure completely, thereby make the left and right sides of first regulation rope 120 and second regulation rope 130 all obtain effectual restriction, avoid first regulation rope 120 and second regulation rope 130 to take place to squint about the bending process takes place. When there are two or more mounting grooves 1121, the two adjacent mounting grooves 1121 are communicated with each other by the wire groove 1122.
In one embodiment, referring to fig. 1, the first adjustment cord 120 and the second adjustment cord 130 are connected to the fixing member 150. The fixing element 150 is embedded in the mounting groove 1121, and two ends of the fixing element 150 respectively abut against two opposite sidewalls of the mounting groove 1121. Therefore, when the fixing member 150 is connected in the mounting groove 1121, two ends of the fixing member 150 respectively abut against and fit with two opposite side walls of the mounting groove 1121, so that the sliding of the fixing member 150 in the mounting groove 1121 is limited by the side walls of the mounting groove 1121, and the bending mechanism 100 is prevented from being unable to accurately control the bending angle of the insertion portion due to the sliding of the fixing member 150, thereby being beneficial to improving the detection precision of the endoscope.
in one embodiment, referring to fig. 4, the bending mechanism 100 further includes a gland 140. The cover 140 covers the mounting surface 112. The retainer 150 is located between the mounting face 112 and the gland 140. Thus, the fixing member 150 is pressed against the mounting surface 112 by the pressing cover 140, so that the mounting stability of the fixing member 150 on the mounting surface 112 is improved, and the fixing member 150 is prevented from being detached from the mounting surface 112 due to fatigue failure. Meanwhile, the pressing cover 140 is arranged on the mounting surface 112, so that the first adjusting rope 120 and the second adjusting rope 130 are tightly attached to the mounting surface 112, and the bending mechanism 100 can run more stably.
Further, referring to fig. 6, the pressing cover 140 includes a first fastening portion 141, a second fastening portion 142, and a connecting portion 143 connected between the first fastening portion 141 and the second fastening portion 142. The first fastening portion 141, the connecting portion 143, and the second fastening portion 142 form a fastening groove. The snap-fit groove snap-fits with the wheel 110 and the connecting portion 143 overlies the mounting surface 112. Of course, in order to make the connection between the gland 140 and the wheel 110 more secure, the first and second fastening parts 141 and 142 may be connected to the wheel 110 by bolts or screws, respectively.
Further, referring to fig. 6, the pressing cover 140 further includes a fixing portion 144 connected to the second fastening portion 142, the rotating wheel 110 is provided with a rotating shaft 113, and the fixing portion 144 is connected to the rotating shaft 113. In this way, the mounting of the gland 140 on the runner 110 is made more stable. In the embodiment, the fixing portion 144 is connected to the rotating shaft 113 by a bolt or a screw. Specifically, in the present embodiment, the fixing portion 144 is provided with a fixing groove 1441, and the rotating shaft 113 is sleeved in the fixing groove 1441.
In an embodiment, referring to fig. 1 and 4, the bending surface 111 is a circular arc surface, and the mounting surface 112 is a plane surface, so that a corner is formed at a junction of the bending surface 111 and the mounting surface 112, and the specific structure can refer to fig. 1 or fig. 4. As shown in fig. 1 or 4, when the rotating wheel 110 rotates clockwise, the first adjusting rope 120 is subjected to a certain pulling force, so that the first adjusting rope is wound on the rotating wheel 110, at this time, a part of the pulling force applied to the first adjusting rope 120 comes from the fixing member 150, and another part of the pulling force comes from a corner between the finished surface and the mounting surface 112, so that the load on the fixing member 150 is effectively shared through the corner structure, the structure of the bending mechanism 100 is more stable, and the phenomenon that the fixing member 150 is loosened or slipped easily due to the fact that the pulling force is entirely from the fixing member 150 is avoided.
In one embodiment, referring to fig. 1, 4 and 7, a bending control apparatus includes a control housing 200, an adjustment handle 300 and the bending mechanism 100 of any of the above embodiments. The wheel 110 is rotatably installed in the control housing 200. The adjustment handle 300 is rotatably mounted on the control housing 200 and is in driving engagement with the wheel 110. The control case 200 is provided with a threading hole 240. The first and second adjusting strings 120 and 130 are connected to the insertion portion through the string holes 240.
In the bending control device, the bending mechanism 100 is adopted to wind the first adjusting rope 120 and the second adjusting rope 130 on the mounting surface 112 along the bending groove 1111 from the opposite sides of the rotating wheel 110; then, the first adjusting rope 120 and the second adjusting rope 130 are respectively fixed on the mounting surface 112 through the fixing member 150, so that the bending mechanism 100 is reasonably designed in the embodiment, the mounting manner of the adjusting ropes on the rotating wheel 110 is simplified, the first adjusting rope 120 and the second adjusting rope 130 are rapidly mounted on the rotating wheel 110, the assembly efficiency of the endoscope is greatly improved, and the endoscope is convenient for medical staff to use. Because both ends of the bending groove 1111 penetrate through the mounting surface 112, that is, both ends of the bending groove 1111 extend to the mounting surface 112, it is ensured that the first adjusting rope 120 and the second adjusting rope 130 are both located in the bending groove 1111 when the first adjusting rope 120 and the second adjusting rope 130 transition from the bending surface 111 to the mounting surface 112, and it is avoided that the first adjusting rope 120 and the second adjusting rope 130 are jacked up at the junction of the bending surface 111 and the mounting surface 112 and are easily separated from the bending groove 1111, so that the first adjusting rope 120 and the second adjusting rope 130 are always located in the bending groove 1111 in the bending process, so that the insertion portion can be stably and accurately bent in a human body, and the accuracy of the operation detection result is improved.
the insertion portion is integrated with devices such as an objective lens, a beam cover glass, and a nozzle, and the specific structure of the insertion portion is not specifically described here since the insertion portion is not a structure to be protected by this embodiment.
It should be further noted that, referring to fig. 9 and 10, the first adjusting string 120 and the second adjusting string 130 are both connected to the insertion portion through the string hole 240, which means that the first adjusting string 120 is directly or indirectly connected to the insertion portion through the string hole 240, and the second adjusting string 130 is directly or indirectly connected to the insertion portion through the string hole 240. When the first adjusting rope 120 is directly connected with the insertion part, one end of the first adjusting rope 120 penetrates through the threading hole 240; when the first adjusting rope 120 is indirectly connected to the insertion portion, one end of the first adjusting rope 120 is connected to the intermediate connecting rope, and the intermediate connecting rope passes through the threading hole 240 and is connected to the insertion portion. Similarly, when the second adjusting rope 130 is directly connected to the insertion portion, one end of the second adjusting rope 130 passes through the threading hole 240; when the second adjusting rope 130 is indirectly connected to the insertion portion, one end of the second adjusting rope 130 is connected to the intermediate connecting rope, and the intermediate connecting rope passes through the threading hole 240 and is directly connected to the insertion portion.
Optionally, referring to fig. 8, the adjustment handle 300 is in transmission fit with the wheel 110, and the following implementation manners are implemented: firstly, the adjusting handle 300 is directly matched with the rotating wheel 110 in a transmission way, such as: the transmission shaft 310 on the adjustment handle 300 is inserted into the first shaft hole 1131 on the rotating wheel 110; second, the adjustment handle 300 is indirectly in transmission fit with the rotating wheel 110, for example, a gear set is arranged between the adjustment handle 300 and the rotating wheel 110, and transmission between the adjustment handle 300 and the rotating wheel 110 is realized through the gear set.
Further, referring to fig. 8, the bending control device further includes a first rope loop 500 and a second rope loop 510, the first rope loop 500 and the second rope loop 510 are disposed in the control shell 200 side by side, and the first rope loop 500 and the second rope loop 510 are respectively sleeved on the first adjusting rope 120 and the second adjusting rope 130 correspondingly. Thus, through the first rope sling 500 and the second rope sling 510, the first adjusting rope 120 and the second adjusting rope 130 are effectively protected. Meanwhile, the first rope loop 500 and the second rope loop 510 are respectively sleeved on the first adjusting rope 120 and the second adjusting rope 130, which is beneficial to improving the structural rigidity of the adjusting ropes, and is convenient for the adjusting ropes to be easily bent in the winding or releasing process, so that the insertion parts can smoothly and stably complete the bending operation. It should be noted that the first adjustment cord 120 and the second adjustment cord 130 of the present embodiment are directly connected to the insertion portion through the threading hole 240. The first rope sling 500 and the second rope sling 510 can be spring tubes or rubber tubes. It should be noted that one end of the first and second rope loops 500 and 510 is used for connecting with the insertion portion.
Further, referring to fig. 8, a mounting seat 220, a first mounting part 221 and a second mounting part 222 are disposed in the control housing 200. The first rope sling 500 is arranged on the mounting block 220 by a first mounting part 221. Second socket 510 is disposed on mount 220 by second mount 222. Thus, the first rope sling 500 and the second rope sling 510 are stably fixed in the control shell 200, so that the first adjusting rope 120 and the second adjusting rope 130 are more stably wound and unwound under the action of the first rope sling 500 and the second rope sling 510.
Alternatively, the first and second mounting members 221 and 222 may be bolts, screws, wire clips, clip structures, or other components.
in another embodiment, referring to fig. 10, the bending control apparatus further includes a first operating cord 600 connected to the first adjusting cord 120 and a second operating cord 610 connected to the second adjusting cord 130. The first operating cord 600 and the second operating cord 610 both extend out of the control housing 200 through the threading hole 240. Therefore, the first adjusting rope 120 of the embodiment is indirectly connected with the insertion part through the first operating rope 600, the second adjusting rope 130 is indirectly connected with the insertion part through the second operating rope 610, and thus, the first adjusting rope 120 and the second adjusting rope 130 are effectively lengthened, the first adjusting rope 120 and the second adjusting rope 130 are prevented from being easily broken due to overlong, the whole adjusting rope needs to be replaced, and the maintenance cost of the bending control device is favorably reduced. At this time, the first rope sling 500 and the second rope sling 510 are correspondingly sleeved on the first operation rope 600 and the second operation rope 610. The first operating rope 600 and the second operating rope 610 may be steel wire ropes, nylon ropes, fiber ropes, or other material ropes.
Further, referring to fig. 10, the bending control apparatus further includes a first adjusting member 700 and a second adjusting member 800, the first operating cord 600 is connected to the first adjusting cord 120 through the first adjusting member 700, and the second operating cord 610 is connected to the second adjusting cord 130 through the second adjusting member 800. The first adjusting part 700 is used to adjust the distance between the first operating string 600 and the first adjusting string 120, and the second adjusting part 800 is used to adjust the distance between the second operating string 610 and the second adjusting string 130. So, through first regulating part 700 and second regulating part 800, be favorable to adjusting the rate of tension of first regulation rope 120 and second regulation rope 130 to guarantee that bending control device's structure is more stable.
Specifically, the first adjusting member 700 and the second adjusting member 800 are both a bolt and nut combined structure, the first operating rope 600 and the second operating rope 610 are respectively connected to two bolts, and the first adjusting rope 120 and the second adjusting rope 130 are respectively connected to two nuts; alternatively, the first operation rope 600 and the second operation rope 610 are respectively connected to two nuts, and the first adjustment rope 120 and the second adjustment rope 130 are respectively connected to two bolts.
In one embodiment, referring to FIG. 8, the bending control apparatus further comprises a locking member 400. A locking member 400 is provided at the control housing 200, and the locking member 400 is used to lock the runner 110. Therefore, when the bending angle of the insertion part needs to be fixed, the turning wheel 110 is locked by the locking piece 400, the first adjusting rope 120 and the second adjusting rope 130 are ensured not to be wound or released any more, and thus, the operation precision of the endoscope is favorably improved.
Further, referring to fig. 8, a locking hole 230 is formed on the control housing 200, the locking member 400 penetrates through the locking hole 230 and is adjustably engaged with the control housing 200, and one end of the locking member 400 is used for being abutted against and engaged with the rotary wheel 110. Therefore, the position of the locking member 400 on the control shell 200 is adjusted, so that one end of the locking member 400 abuts against the rotating wheel 110, thereby the rotating wheel 110 is in a locking state, and the bending angle of the insertion part is ensured to be fixed. Specifically, in this embodiment, an internal thread is provided in the locking hole 230, an external thread is provided on the locking member 400, and the locking member 400 is adjusted and matched with the control housing 200 through the matching of the internal thread and the external thread.
In one embodiment, referring to fig. 1, fig. 4 and fig. 8, the rotating wheel 110 is provided with a rotating shaft 113. A bearing housing 210 is provided in the control housing 200. The rotating shaft 113 is sleeved outside or inside the bearing seat 210. Thus, the rotating shaft 113 is matched with the bearing seat 210, so that the rotating wheel 110 can rotate more smoothly. Specifically, in this embodiment, the rotating shaft 113 is provided with a first shaft hole 1131, the bearing seat 210 is provided with a second shaft hole 211, the adjustment handle 300 is provided with a transmission shaft 310, and the transmission shaft 310 sequentially penetrates through the first shaft hole 1131 and the second shaft hole 211.
In one embodiment, referring to FIG. 8, the control housing 200 includes a first housing 250 and a second housing 260 that are removable, thereby facilitating quick assembly and maintenance of the bend control device. Meanwhile, the control shell 200 is further provided with a first limiting portion 270 and a second limiting portion 280 at intervals, the adjusting handle 300 is located between the first limiting portion 270 and the second limiting portion 280, and the adjusting handle 300 is used for limiting and matching with the first limiting portion 270 and the second limiting portion 280, so that the rotating wheel 110 is prevented from being broken or slipping due to overlarge angle rotation of the adjusting rope due to the limiting and matching of the first limiting portion 270 and the second limiting portion 280.
In one embodiment, referring to fig. 1, 4 and 8, an endoscope comprises the bending control device of any one of the above embodiments.
In the endoscope, the first adjustment cord 120 and the second adjustment cord 130 are wound around the mounting surface 112 along the bending groove 1111 from the opposite sides of the wheel 110 by using the bending mechanism 100; then, the first adjusting rope 120 and the second adjusting rope 130 are respectively fixed on the mounting surface 112 through the fixing member 150, so that the bending mechanism 100 is reasonably designed in the embodiment, the mounting manner of the adjusting ropes on the rotating wheel 110 is simplified, the first adjusting rope 120 and the second adjusting rope 130 are rapidly mounted on the rotating wheel 110, the assembly efficiency of the endoscope is greatly improved, and the endoscope is convenient for medical staff to use. Because both ends of the bending groove 1111 penetrate through the mounting surface 112, that is, both ends of the bending groove 1111 extend to the mounting surface 112, it is ensured that the first adjusting rope 120 and the second adjusting rope 130 are both located in the bending groove 1111 when the first adjusting rope 120 and the second adjusting rope 130 transition from the bending surface 111 to the mounting surface 112, and it is avoided that the first adjusting rope 120 and the second adjusting rope 130 are jacked up at the junction of the bending surface 111 and the mounting surface 112 and are easily separated from the bending groove 1111, so that the first adjusting rope 120 and the second adjusting rope 130 are always located in the bending groove 1111 in the bending process, so that the insertion portion can be stably and accurately bent in a human body, and the accuracy of the operation detection result is improved.
the technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. a bending mechanism, comprising:
The rotating wheel is rotatably arranged in the control shell and comprises a bending surface and an installation surface which are oppositely arranged, a bending groove is formed in the bending surface and is arranged along the circumferential direction of the rotating wheel, and two ends of the bending groove penetrate through the installation surface;
the first adjusting rope and the second adjusting rope are wound on the mounting surface along the bending groove from two opposite sides of the rotating wheel respectively, and the first adjusting rope and the second adjusting rope are connected on the mounting surface.
2. The bending mechanism according to claim 1, wherein the rotating wheel is provided with a first guide portion and a second guide portion, the first guide portion and the second guide portion are located in the bending groove at intervals, a first guide through hole and a second guide through hole are correspondingly formed in the first guide portion and the second guide portion respectively, the first adjusting rope penetrates out of the first guide through hole to the mounting surface, and the second adjusting rope penetrates out of the second guide through hole to the mounting surface.
3. The bending mechanism according to claim 1, further comprising a fixing member, wherein a mounting groove is formed in the mounting surface, and the first adjusting rope and the second adjusting rope are connected in the mounting groove through the fixing member.
4. the bending mechanism according to claim 3, wherein the mounting surface is further provided with more than two wire guiding grooves, one end of the mounting groove is communicated with one end of the bending groove through the wire guiding grooves, and the other end of the mounting groove is communicated with the other end of the bending groove through the wire guiding grooves.
5. The bending mechanism according to claim 3, wherein there are two fixing members and two mounting grooves, the first adjusting rope is connected to one of the mounting grooves through one of the fixing members, and the second adjusting rope is connected to the other of the mounting grooves through the other of the fixing members; alternatively, the first and second electrodes may be,
first regulation rope with the second is adjusted the rope and is connected on the mounting, the mounting embedding in the mounting groove, just the both ends of mounting are contradicted respectively on the relative both sides wall of mounting groove.
6. The flexure mechanism of any one of claims 3-5, further comprising a gland disposed on the mounting surface, the mount being located between the mounting surface and the gland.
7. A bending control device, comprising a control shell, an adjusting handle and the bending mechanism of any one of claims 1 to 6, wherein the rotating wheel is rotatably mounted in the control shell, the adjusting handle is rotatably mounted on the control shell and is in transmission fit with the rotating wheel, the control shell is provided with a threading hole, and the first adjusting rope and the second adjusting rope are connected with the insertion part through the threading hole.
8. The bending control device according to claim 7, further comprising a first rope loop and a second rope loop, wherein the first rope loop and the second rope loop are arranged in the control shell side by side, and the first rope loop and the second rope loop are respectively sleeved on the first adjusting rope and the second adjusting rope in a corresponding manner; alternatively, the first and second electrodes may be,
The bending control device further comprises a first operating rope connected to the first adjusting rope and a second operating rope connected to the second adjusting rope, and the first operating rope and the second operating rope extend out of the control shell through the threading hole.
9. The bending control apparatus according to claim 7, further comprising a locking member provided in the control housing, the locking member being configured to lock the pulley; alternatively, the first and second electrodes may be,
The rotating wheel is provided with a rotating shaft, a bearing seat is arranged in the control shell, and the rotating shaft is sleeved outside or inside the bearing seat.
10. an endoscope comprising the bending control apparatus according to any one of claims 7 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910881348.9A CN110575114A (en) | 2019-09-18 | 2019-09-18 | Bending mechanism, bending control device, and endoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910881348.9A CN110575114A (en) | 2019-09-18 | 2019-09-18 | Bending mechanism, bending control device, and endoscope |
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| CN110575114A true CN110575114A (en) | 2019-12-17 |
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| CN201910881348.9A Pending CN110575114A (en) | 2019-09-18 | 2019-09-18 | Bending mechanism, bending control device, and endoscope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021122445A1 (en) | 2021-08-31 | 2023-03-02 | Hoya Corporation | Endoscope with glued traction cable |
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