CN109330545A - A kind of the four-way snake bone and endoscope of bilateral driving - Google Patents
A kind of the four-way snake bone and endoscope of bilateral driving Download PDFInfo
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- CN109330545A CN109330545A CN201811184605.5A CN201811184605A CN109330545A CN 109330545 A CN109330545 A CN 109330545A CN 201811184605 A CN201811184605 A CN 201811184605A CN 109330545 A CN109330545 A CN 109330545A
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- snake bone
- main body
- optical member
- elastic supporting
- supporting optical
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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
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0055—Constructional details of insertion parts, e.g. vertebral elements
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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
- A61B1/00112—Connection or coupling means
- A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
- A61B1/00128—Connectors, fasteners and adapters, e.g. on the endoscope handle mechanical, e.g. for tubes or pipes
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Optics & Photonics (AREA)
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- Endoscopes (AREA)
Abstract
The present invention relates to a kind of four-way snake bones of bilateral driving, including snake bone main body, the snake bone main body includes elastic supporting member for supporting optical member and multiple joints, and the elastic supporting member for supporting optical member is formed by bending arc to first direction, and multiple joints are sequentially arranged in the extrados of the elastic supporting member for supporting optical member；First tractive unit, first tractive unit run through the snake bone main body of the elastic supporting member for supporting optical member side, carry out bending motion towards second direction for drawing the snake bone main body；Second tractive unit, second tractive unit run through the snake bone main body of the elastic supporting member for supporting optical member other side, carry out bending motion towards third direction for drawing the snake bone main body；The opposite direction that first tractive unit and the second tractive unit are also used to draw the snake bone main body towards first direction jointly carries out bending motion.The invention further relates to a kind of endoscope, the endoscope includes the four-way snake bone.Implement of the invention a kind of four-way snake bone and endoscope, the diameter of four-way snake bone and curved part of endoscope can be effectively reduced.
Description
Technical field
The present invention relates to endoscopic technique field, in particular to a kind of four-way snake bone of bilateral driving.
Background technique
Endoscope is the common medical instrument of modern medicine comprising, can for being inserted directly into the insertion section of inside of human body
Random curved bending section, and the control end for manual control operation handle, wherein bending section is internally provided with snake
Bone, the bending of snake bone can be realized by controlling end by manual operation, and then realize the bending of bending section.
The endoscope of smaller diameter and bending radius is had increasing need in the diagnosis and treatment process of modern medicine, namely is needed more
The snake bone of minor diameter and bending radius, and existing four-way snake bone be arranged generally inside snake bone the wirerope of four tractions with
And four column place wirerope traction channel, by control end drawing connect with snake bone four wirerope realization four, snake bone
The bending in direction, but this necessarily to will cause snake bone inner space crowded narrow, be unfavorable for the reduction of snake bone diameter, while also unfavorable
In the arrangement work of the pipelines such as snake bone internal cable line, light beam, water air pipe and pincers deferent.
Summary of the invention
In view of the above problems in the prior art, the purpose of the present invention is to provide a kind of four-way snake bones of bilateral driving, lead to
Crossing two draught lines of setting can be realized the four-way bending of snake bone, can reduce the diameter of snake bone, thus in farthest reducing
The diameter of sight glass bending section.
First aspect present invention provides a kind of four-way snake bone of bilateral driving, including snake bone main body, the snake bone main body packet
Elastic supporting member for supporting optical member and multiple joints are included, the elastic supporting member for supporting optical member is formed by bending arc to first direction, and multiple joints are successively
Set on the extrados of the elastic supporting member for supporting optical member；First tractive unit, first tractive unit is through the elastic supporting member for supporting optical member side
Snake bone main body carries out bending motion towards second direction for drawing the snake bone main body；Second tractive unit, second traction
The snake bone main body of the elastic supporting member for supporting optical member other side is run through in portion, is bent for drawing the snake bone main body towards third direction
Movement；First tractive unit and the second tractive unit are also used to draw opposite direction of the snake bone main body towards first direction jointly
Carry out bending motion.
Further, the elastic supporting member for supporting optical member is made by the thermally treated technique of elastic metallic material.
Further, the elastic metallic material is stainless steel material or titanium alloy metal material.
Further, first tractive unit includes the first traction channel, and there is multiple, Duo Gesuo in first traction channel
State the inner surface that the first traction channel is sequentially arranged at multiple joints of the elastic supporting member for supporting optical member side；First draught line, institute
It states the first draught line to be located in first traction channel, before the snake bone main body is fixed in first traction line front end
The rear end of the snake bone main body is extended in end, first traction line back end.
Further, second tractive unit includes the second traction channel, and there is multiple, Duo Gesuo in second traction channel
State the inner surface that the second traction channel is sequentially arranged at multiple joints of the elastic supporting member for supporting optical member other side；Second draught line,
Second draught line is located in second traction channel, before the snake bone main body is fixed in second traction line front end
The rear end of the snake bone main body is extended in end, second traction line back end.
Further, multiple joints are equidistantly set to the extrados of the elastic supporting member for supporting optical member.
Further, the joint is the cyclic structure of asymmetrical design, the bone for the side that is connected with the elastic supporting member for supporting optical member
Byte wide is greater than the joint width with the elastic supporting member for supporting optical member opposite side.
Optionally, each joint is spiral shape, and multiple spiral joints are at the elastic supporting member for supporting optical member
It is end to end.
Further, the joint and the elastic supporting member for supporting optical member are integrally formed.
The present invention also provides a kind of endoscopes, including a kind of four-way snake bone of bilateral driving described in any of the above embodiments.
Due to above-mentioned technical proposal, the invention has the following beneficial effects:
Four-way snake bone of the invention can be realized four-way bending by two draught lines, reduce the diameter of four-way snake bone,
Facilitate the winding displacement work inside four-way snake bone.
Endoscope of the invention, the four-way snake bone configured with the driving of above-mentioned bilateral, it is curved can farthest to reduce endoscope
The diameter of pars convoluta.
Detailed description of the invention
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical solution of the present invention
The attached drawing used is briefly described.It should be evident that drawings in the following description are only some embodiments of the invention, it is right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
Fig. 1 is the structure when four-way snake bone that a kind of bilateral that the embodiment of the present invention one provides drives is in non-stress
Schematic diagram；
Fig. 2 is that structure when a kind of four-way snake bone for bilateral driving that the embodiment of the present invention one provides is in upright state is shown
It is intended to；
Fig. 3 is another angle when the four-way snake bone that a kind of bilateral that the embodiment of the present invention one provides drives is in upright state
The structural schematic diagram of degree；
Fig. 4 is the vertical view when four-way snake bone that a kind of bilateral that the embodiment of the present invention one provides drives is in upright state
Figure；
Fig. 5 is a kind of four-way snake bone for bilateral driving that the embodiment of the present invention one provides in the opposite direction to first direction
Structural schematic diagram when bending；
Fig. 6 is structure when a kind of four-way snake bone for bilateral driving that the embodiment of the present invention one provides is bent to second direction
Schematic diagram；
Fig. 7 is structure when a kind of four-way snake bone for bilateral driving that the embodiment of the present invention one provides is bent to third direction
Schematic diagram；
Fig. 8 is that structure when a kind of four-way snake bone of bilateral driving provided by Embodiment 2 of the present invention is in upright state is shown
It is intended to.
In attached drawing:
1- elastic supporting member for supporting optical member 2- joint 3- first draws channel
4- second draws channel
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that term " first ", " second " etc. in description and claims of this specification and attached drawing
It is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that the number used in this way
According to being interchangeable under appropriate circumstances, so that the embodiment of the present invention described herein can be in addition to illustrating herein or describing
Those of other than sequence implement.In addition, term " includes " and " having " and their any deformation, it is intended that covering is not
Exclusive includes.
Embodiment one
Referring to attached drawing 1, for a kind of four-way snake bone for bilateral driving that the embodiment of the present invention one provides, including snake bone main body,
First tractive unit and the second tractive unit, the snake bone main body include elastic supporting member for supporting optical member 1 and multiple joints 2, the elastic supporting member for supporting optical member 1
It is formed by bending arc to first direction, multiple joints 2 are sequentially arranged in the extrados of the elastic supporting member for supporting optical member 1；Described first
Tractive unit runs through the snake bone main body of 1 side of elastic supporting member for supporting optical member, carries out for drawing the snake bone main body towards second direction
Bending motion；Second tractive unit runs through the snake bone main body of 1 other side of elastic supporting member for supporting optical member, for drawing the snake bone master
Body carries out bending motion towards third direction；First tractive unit and the second tractive unit are also used to draw the snake bone master jointly
The opposite direction of body towards first direction carries out bending motion.
In some possible embodiments, the elastic supporting member for supporting optical member 1 is by elastic metallic material such as stainless steel material or titanium
Alloy metal material composition, the elastic metallic material pass through tool holder first and are fixed into the curved arc of first direction, so
Permanent bend camber and the elastic supporting member for supporting optical member 1 with certain screen resilience are made after handling by heat treatment process.
In some possible embodiments, the joint 2 is integrally formed with the elastic supporting member for supporting optical member 1, for example, the bone
Section 2 is integrally formed with the elastic supporting member for supporting optical member 1 by Shooting Technique, then obtains joint 2 by heat treatment process and elasticity is propped up
The integrally formed snake bone main body of support member 1, spacing is equal between joint 2 described in every two, and multiple joints 2 are not right
Claim the cyclic structure of design, 2 width of joint for the side that is connected with the elastic supporting member for supporting optical member 1 is greater than and 1 phase of elastic supporting member for supporting optical member
To 2 width of joint of side, for guaranteeing that it is maximum that the snake bone main body can be carried out towards the opposite direction of the first direction
The bending motion of degree.
In some possible embodiments, as shown in Fig. 4, first tractive unit includes the first traction 3 He of channel
First draught line (not shown), first traction channel 3 has multiple, respectively corresponds multiple joints 2 and is arranged one by one, multiple
First traction channel 3 is sequentially arranged at the inner surface of multiple joints 2 of 1 side of elastic supporting member for supporting optical member.Described first
It draws channel 3 and the snake bone main body to be integrally formed by Shooting Technique, optionally, first traction channel 3 can also be successively
The inside of multiple joints 2 of 1 side of elastic supporting member for supporting optical member is set, i.e. first traction channel 3 is to be arranged more
A column through-hole inside a joint 2.First draught line is located in each first traction channel 3, and described first
The front end of the snake bone main body is fixed in traction line front end, and the snake bone body rear is extended in first traction line back end
First traction channel 3 carries out bending motion towards second direction for drawing the snake bone, and the second direction is located at institute
The clockwise direction of first direction is stated, the second direction and first direction form 0-180 degree (not including 0 degree and 180 degree)
Angle, the size of the angle is related with the first traction setting position in channel 3, and first traction channel setting is got over
When close to the elastic supporting member for supporting optical member, the angle of the second direction and first direction is smaller, first traction channel setting 3
When further away from the elastic supporting member for supporting optical member 1, i.e., closer to the opposite of the elastic supporting member for supporting optical member 1 when, the second direction and first
The angle in direction is bigger.
In some possible embodiments, second tractive unit draws channel 4 and the second draught line (not including second
Show), second traction channel 4 has multiple, respectively corresponds multiple joints 2 and is arranged one by one, multiple second tractions
Channel 4 is sequentially arranged at the inner surface of multiple joints 2 of 1 other side of elastic supporting member for supporting optical member.It is described second traction channel 4 with
The snake bone main body is integrally formed by Shooting Technique, and optionally, second traction channel 4 can also be successively set on the bullet
Property 1 other side of supporting element multiple joints 2 inside, i.e., it is described second traction channel 4 be arranged in multiple joints 2
Internal another column through-hole.Second draught line is located in each second traction channel 4, second traction line front end
It is fixed on the front end of the snake bone main body, second traction line back end is extended described the second of the snake bone body rear and led
Draw channel 4, carries out bending motion towards third direction for drawing the snake bone, it is preferable that first draught line and second
Draught line is wirerope.The third direction is located at the counter clockwise direction of the first direction, the third direction and first party
To the angle for forming 0-180 degree (not including 0 degree and 180 degree), the setting of the size of the angle and second traction channel 4
Position is related, second traction channel 4 be arranged closer to the elastic supporting member for supporting optical member 1 when, the third direction and first party
To angle it is smaller, it is described second traction channel 4 be arranged further away from the elastic supporting member for supporting optical member 1 when, i.e., closer to the elasticity
When the opposite of supporting element 1, the angle of the third direction and first direction is bigger.
In some possible embodiments, the second traction channel 4 is symmetricly set on first traction channel 3
The two sides of the elastic supporting member for supporting optical member, first draught line and the second draught line for drawing the snake bone towards first party jointly
To opposite direction carry out bending motion.If it should be noted that the second traction channel 4 and first traction channel 3
The two sides of the elastic supporting member for supporting optical member 1 are not symmetricly set on, first draught line and second draught line can also be used for altogether
Bending motion is carried out with the opposite direction for drawing the snake bone towards first direction, only first draught line and the second draught line
Draft travel it is different.
Accordingly, as shown in Fig. 1, in the case where not pulling draught line, the four-way snake bone is to first direction Curved
Camber, when pulling the first draught line and the second draught line respectively with the power of same size, i.e., described first draught line and second
The draft travel of draught line is identical, and the four-way snake bone is bent to the opposite direction of the first direction, such as attached drawing 2 and attached drawing 3
Shown, when applying a suitable power, the four-way snake bone pulls and four-way snake in the first draught line and the common of the second draught line
It is in upright state under the collective effect of bone screen resilience support itself, as shown in Fig. 5, is drawn when further pulling described first
Line and the second draught line, due to the asymmetrical design in gap and joint 2 between the multiple joint 2, the four-way snake bone
It can be further bent to the opposite direction of the first direction, until the relatively narrow side of multiple joints 2 is closely, this
When, reach four-way snake bone in the maximum flexion of the direction.
When the four-way snake bone needs to carry out bending motion to first direction, it is only necessary to while gradually unclamping described first
Draught line and the second draught line, the four-way snake bone can be gradually bent to first direction under the action of screen resilience itself
The process of movement, detailed process and drawing draught line is on the contrary, details are not described herein again.
As shown in Fig. 6, when only pulling first draught line, the four-way snake bone gradually carries out to second direction curved
Qu Yundong, when the four-way snake bone needs recovery to first direction, it is only necessary to gradually unclamp first draught line.
As shown in Fig. 7, when only pulling second draught line, the four-way snake bone gradually carries out to third direction curved
Qu Yundong, when the four-way snake bone needs recovery to first direction, it is only necessary to gradually unclamp second draught line.
Embodiment two
Second embodiment of the present invention provides the four-way snake bones of another bilateral driving, including snake bone main body, the first tractive unit
With the second tractive unit, the snake bone main body includes elastic supporting member for supporting optical member and multiple joints, and the elastic supporting member for supporting optical member is curved to first direction
Curved camber, multiple joints are sequentially arranged in the extrados of the elastic supporting member for supporting optical member；First tractive unit is through described
The snake bone main body of elastic supporting member for supporting optical member side carries out bending motion towards second direction for drawing the snake bone main body；Described
Two tractive units run through the elastic supporting member for supporting optical member other side snake bone main body, for draw the snake bone main body towards third direction into
Row bending motion；First tractive unit and the second tractive unit are also used to draw the snake bone main body jointly towards first direction
Opposite direction carries out bending motion.
In some possible embodiments, the elastic supporting member for supporting optical member is closed by elastic metallic material such as stainless steel material or titanium
Golden metal material composition, the elastic metallic material pass through tool holder first and are fixed into the curved arc of first direction, then
Permanent bend camber and the elastic supporting member for supporting optical member with certain screen resilience are made after thermally treated process.
In some possible embodiments, the joint and the elastic supporting member for supporting optical member are integrally formed, for example, the joint
It is integrally formed with the elastic supporting member for supporting optical member by Shooting Technique, joint and elastic supporting member for supporting optical member one is then obtained by heat treatment process
The body formed snake bone main body, as shown in Fig. 8, the spacing between joint described in every two is equal, and each joint is equal
For spiral shape, multiple spiral joints are end to end at the elastic supporting member for supporting optical member, form the knot for being similar to helix tube
Structure, thus on bending direction more freely.
The structure of first tractive unit and the second tractive unit described in the present embodiment is the same as example 1, and details are not described herein again.
Four-way snake bone described in the present embodiment, operating method is similar with embodiment one, and details are not described herein again.
Embodiment three
The embodiment of the present invention three provides a kind of endoscope, and the endoscope includes bending section and controls end, described curved
The four-way snake bone provided inside pars convoluta configured with embodiment one or embodiment two, the draught line are connected with the control end,
When pulling by the control end and discharging the draught line, the four-way that the bending section can be realized is bent, specifically can be with
Refering to the description of above-described embodiment, details are not described herein again.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Only several embodiments of the present invention are expressed for above embodiments, and the description thereof is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of four-way snake bone of bilateral driving characterized by comprising
Snake bone main body, the snake bone main body include elastic supporting member for supporting optical member (1) and multiple joints (2), and the elastic supporting member for supporting optical member (1) is to
One direction is formed by bending arc, and multiple joints (2) are sequentially arranged in the extrados of the elastic supporting member for supporting optical member (1)；
First tractive unit, first tractive unit run through the snake bone main body of the elastic supporting member for supporting optical member (1) side, described for drawing
Snake bone main body carries out bending motion towards second direction；
Second tractive unit, second tractive unit runs through the snake bone main body of the elastic supporting member for supporting optical member (1) other side, for drawing
It states snake bone main body and carries out bending motion towards third direction；
First tractive unit and the second tractive unit are also used to draw phase negative side of the snake bone main body towards first direction jointly
To progress bending motion.
2. a kind of four-way snake bone of bilateral driving according to claim 1, which is characterized in that the elastic supporting member for supporting optical member (1)
It is made by the thermally treated technique of elastic metallic material.
3. a kind of four-way snake bone of bilateral driving according to claim 2, which is characterized in that the elastic metallic material is
Stainless steel material or titanium alloy metal material.
4. a kind of four-way snake bone of bilateral driving according to claim 1, which is characterized in that the first tractive unit packet
It includes:
First traction channel (3), it is described first traction channel (3) have it is multiple, it is multiple it is described first traction channel (3) is sequentially arranged at
The inner surface of multiple joints (2) of elastic supporting member for supporting optical member (1) side；
First draught line, first draught line are located in first traction channel (3), and first traction line front end is fixed
In the front end of the snake bone main body, the rear end of the snake bone main body is extended in first traction line back end.
5. a kind of four-way snake bone of bilateral driving according to claim 1, which is characterized in that the second tractive unit packet
It includes:
Second traction channel (4), it is described second traction channel (4) have it is multiple, it is multiple it is described second traction channel (4) is sequentially arranged at
The inner surface of multiple joints (2) of elastic supporting member for supporting optical member (1) other side；
Second draught line, second draught line are located in second traction channel (4), and second traction line front end is fixed
In the front end of the snake bone main body, the rear end of the snake bone main body is extended in second traction line back end.
6. a kind of four-way snake bone of bilateral driving according to claim 1, which is characterized in that multiple described joints (2) etc.
Spacing is set to the extrados of the elastic supporting member for supporting optical member (1).
7. a kind of four-way snake bone of bilateral driving according to claim 1, which is characterized in that the joint (2) is not right
Claim the cyclic structure of design, joint (2) width for the side that is connected with the elastic supporting member for supporting optical member (1) is greater than and the elastic supporting member for supporting optical member
(1) joint (2) width of opposite side.
8. a kind of four-way snake bone of bilateral driving according to claim 1, which is characterized in that each joint is spiral shell
Shape is revolved, multiple spiral joints are end to end at the elastic supporting member for supporting optical member.
9. a kind of four-way snake bone of bilateral driving according to claim 1, which is characterized in that the joint (2) with it is described
Elastic supporting member for supporting optical member (1) is integrally formed.
10. a kind of endoscope, which is characterized in that including a kind of described in any item four-ways of bilateral driving of such as claim 1-9
Snake bone.
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (3)
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|---|---|---|---|---|
| CN109893073A (en) * | 2019-04-19 | 2019-06-18 | 广州瑞派医疗器械有限责任公司 | Medical snake bone pipe |
| CN113558552A (en) * | 2021-07-21 | 2021-10-29 | 上海优医基医学科技有限公司 | Bending adjusting device for endoscope and endoscope |
| CN115153391A (en) * | 2022-07-13 | 2022-10-11 | 广州奥立医疗设备有限公司 | Snake bone with integrated active reduction function |
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| CN109893073A (en) * | 2019-04-19 | 2019-06-18 | 广州瑞派医疗器械有限责任公司 | Medical snake bone pipe |
| CN113558552A (en) * | 2021-07-21 | 2021-10-29 | 上海优医基医学科技有限公司 | Bending adjusting device for endoscope and endoscope |
| CN115153391A (en) * | 2022-07-13 | 2022-10-11 | 广州奥立医疗设备有限公司 | Snake bone with integrated active reduction function |
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