CN107518861A - Snake osteon and snake bone structure - Google Patents
Snake osteon and snake bone structure Download PDFInfo
- Publication number
- CN107518861A CN107518861A CN201710530571.XA CN201710530571A CN107518861A CN 107518861 A CN107518861 A CN 107518861A CN 201710530571 A CN201710530571 A CN 201710530571A CN 107518861 A CN107518861 A CN 107518861A
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- Prior art keywords
- tubular body
- snake
- pin
- osteon
- pivot joint
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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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to technical field of medical instruments, specifically disclose a kind of snake osteon and snake bone structure applied to endoscope, wherein snake osteon includes tubular body, the both ends of the tubular body are provided with two groups of pin-jointed structures being mutually matched, diametrically setting of the pin-jointed structure described in two groups along tubular body；The pin-jointed structure includes the pivot joint female joint positioned at tubular body one end and the pivot joint pin end positioned at the tubular body other end, and the pivot joint female joint is located at the same side of tubular body radial direction with pin end is pivotally connected.Said structure is mutually pivotable connection by being pivotally connected pin end and pivot joint female joint, is assembled without bearing pin, simple in construction, process is simplified；It is pivotally connected the rotary stopper portion of female joint and is pivotally connected between the rotary stopper groove of pin end provided with the anti-detachment position limiting structure being mutually matched, not only adjacent snake osteon can be effectively prevented to be mutually disengaged, and the rotation angle range between adjacent snake osteon can be limited so that the anglec of rotation is controllable.
Description
Technical field
The present invention relates to technical field of medical instruments, and in particular to a kind of snake osteon and snake bone knot applied to endoscope
Structure.
Background technology
Endoscope is a kind of conventional medicine equipment, and endoscope generally includes bending section, and the bending section is made up of snake bone, snake
Bone includes some snake osteons being connected with each other.In the prior art, generally assembled between adjacent snake osteon by bearing pin
Being articulated and connected between adjacent snake osteon is realized, and has no other anti-detachment knots between adjacent snake osteon in addition to hinging pin shaft
Structure.The defects of said structure, is, if broken down at hinging pin shaft, may cause to be mutually disengaged between snake osteon, and
And the anglec of rotation between the adjacent snake osteon of this kind of structure is difficult to control.
The content of the invention
The technical problem to be solved in the present invention solves to lack in addition to hinging pin shaft between snake osteon in the prior art
The uppity technological deficiency of the anglec of rotation between Anti-isenagage structure and adjacent snake osteon.
In order to solve the above-mentioned technical problem, technical scheme provided by the invention is as follows：A kind of snake osteon, including tubulose sheet
Body, the both ends of the tubular body are provided with two groups of pin-jointed structures being mutually matched, footpath of the pin-jointed structure along tubular body described in two groups
To being oppositely arranged；The pin-jointed structure is included positioned at the pivot joint female joint of tubular body one end and positioned at the tubular body other end
Pin end is pivotally connected, pivot joint female joint and the pivot joint pin end is located at the same side of tubular body radial direction；The pivot joint is female
Joint includes swivelling chute and located at the rotary stopper portion of swivelling chute both sides, and the swivelling chute is located remotely from the side of pivot joint pin end
Provided with opening；The pivot joint pin end includes the rotating part being adapted with the swivelling chute and is used to accommodate positioned at rotating part both sides
The rotary stopper groove in rotary stopper portion；It is anti-detachment spacing provided with being mutually matched between the rotary stopper portion and rotary stopper groove
Structure.
The snake osteon of said structure, connection is mutually pivotable by being pivotally connected pin end and pivot joint female joint, is filled without bearing pin
Match somebody with somebody, simple in construction, process is simplified；The anti-detachment position limiting structure being mutually matched is provided between rotary stopper portion and rotary stopper groove,
It not only can effectively prevent adjacent snake osteon to be mutually disengaged, and the anglec of rotation model between adjacent snake osteon can be limited
Enclose so that the anglec of rotation is controllable.
A kind of preferred embodiment, the anti-detachment position limiting structure are included in rotary stopper portion away from swivelling chute side
The snap fit one of end and the snap fit two away from rotating part side in rotary stopper groove, the anti-detachment position limiting structure is by described in
Rotary stopper portion is limited in rotary stopper groove.
A kind of preferred embodiment, the rotary stopper portion include spin turn trough opening extend obliquely out inclined-plane one,
The extrados one of snap fit one and the extrados two that tubular body end face is extended to from snap fit one, the extrados one and extrados two
Concentric with the swivelling chute and extrados one radius is more than the radius of extrados two.
A kind of preferred embodiment, the rotary stopper groove include the inclined-plane two corresponding with the inclined-plane one, with it is described
The intrados one and the intrados two on snap fit two with the cooperation of extrados two that extrados one coordinates, wherein intrados one
Arc length is more than the arc length of extrados one.
A kind of preferred embodiment, rotating part phase vertical with the axis of tubular body with the centre of gyration line of swivelling chute
Hand over.
A kind of preferred embodiment, the rotation center angle that the rotating part rotates against groove are 10 ° ~ 80 °.
A kind of preferred embodiment, the tubular body axially extend provided with two and in the drawings diametrically set
Line is perforated, and two bracing wire perforation are respectively on the tubular body wall between two groups of pin-jointed structures.
A kind of preferred embodiment, the bracing wire perforation are formed from part tubular body wall to tubular body sunken inside.
A kind of snake bone structure, it is end to end including at least the snake osteon described in two.
A kind of preferred embodiment, in addition to end snake osteon, the end snake osteon only have one end and are provided with and institute
State pivot joint public affairs and/or the female joint that snake osteon matches.
Brief description of the drawings
Fig. 1 is a kind of structural representation of snake osteon of the present embodiment；
Fig. 2 is the structural representation of the present embodiment another kind snake osteon；
Fig. 3 is the structural representation of two snake osteon connections in the present embodiment；
Fig. 4 is a kind of structural representation of snake bone structure straight configuration of the present embodiment；
Fig. 5 is a kind of structural representation of snake bone structure case of bending of the present embodiment.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1 and Figure 2, a kind of snake osteon of the present embodiment, including tubular body 100, the tubular body 100
Both ends are provided with two groups of pin-jointed structures being mutually matched, and pin-jointed structure diametrically setting along tubular body 100 described in this two groups
Put.Wherein pin-jointed structure is included positioned at the pivot joint female joint 110 of the one end of tubular body 100 and positioned at the other end of tubular body 100
Pivot joint pin end 120, and it is described pivot joint female joint 110 and pivot joint pin end 120 be located at the radial direction of tubular body 100
The same side.Wherein Fig. 1 show the snake osteon of the first embodiment of the present embodiment, in the embodiment, tubular body 100
Same one end include a pivot joint female joint 110 and the pivot joint pin end 120 that diametrically sets；Fig. 2 show the present embodiment
The snake osteon of second of embodiment, in the embodiment, one end of tubular body 100 is two pivots diametrically set
Pin end 120 is connect, the other end is two pivot joint female joints 110 diametrically set.
A kind of preferred embodiment, as shown in Figure 1 and Figure 2, wherein pivot joint female joint 110 includes swivelling chute 111 and is located at
The side that the rotary stopper portion 113 of the both sides of swivelling chute 111, wherein swivelling chute 111 are located remotely from pivot joint pin end 120 is provided with opening
112, preferably, the central angle of the opening 112 is less than 180 °, i.e. the inner ring surface of swivelling chute 111 is major arc structure.Further
, pivot joint pin end 120 includes the rotating part 121 being adapted with the swivelling chute 111 and is used to hold positioned at the both sides of rotating part 121
Receive the rotary stopper groove 123 in rotary stopper portion 113.
As the improvements of the present embodiment, wherein being provided with phase between the rotary stopper portion 113 and rotary stopper groove 123
The anti-detachment position limiting structure mutually matched.As shown in Figure 1-Figure 3, the rotary stopper portion 113 of the present embodiment includes spin turn trough 111
Be open the inclined-plane 1 extended obliquely out at 112, the snap fit one from end extension of the inclined-plane 1 away from the one end of swivelling chute 111
117 and the extrados 2 116 of the end face of tubular body 100 is extended to from snap fit 1, wherein snap fit 1 has extrados
One 115.In the present embodiment, the extrados 1 and extrados 2 116 be concentric with the swivelling chute 111 and extrados one
115 radius is more than the radius of extrados 2 116.
In the present embodiment, the rotary stopper groove 123 corresponding with rotary stopper portion 113 includes and the phase of inclined-plane 1
Corresponding inclined-plane 2 124, with the extrados 1 coordinate intrados 1, positioned at intrados 1 away from inclined-plane two
The snap fit 2 127 of 124 one end, there is the intrados 2 126 that extrados 2 116 coordinates, wherein intrados wherein on snap fit 2 127
One arc length is more than the arc length of extrados one.Wherein snap fit one and snap fit two form the anti-detachment position limiting structure of the present embodiment, institute
State anti-detachment position limiting structure the rotary stopper portion is limited in rotary stopper groove.
In the present embodiment, the axis of the rotating part 121 and the centre of gyration line and tubular body 100 of swivelling chute 111 hangs down
Straight intersecting, the rotation center angle that rotating part rotates against groove is 10 ° ~ 80 °.Wherein the inclined-plane 1 of side with it is corresponding oblique
The state that face 2 124 is bonded is the first rotation extreme position, and the inclined-plane 1 of opposite side is bonded with corresponding inclined-plane 2 124
State for second rotation extreme position, in rotary course, snap fit one and snap fit two can effectively prevent adjacent snake osteon
Depart from.
Further, the tubular body 100 of the snake osteon of the present embodiment axially extends provided with two and radially
The bracing wire perforation 130 being oppositely arranged, two bracing wire perforation 130 are located at the tubular body wall between two groups of pin-jointed structures respectively
On.Preferably, the bracing wire perforation 130 is formed from part tubular body wall 140 to the sunken inside of tubular body 100.
Fig. 4 show the structural representation of the present embodiment snake bone structure straight configuration, and Fig. 5 show the present embodiment snake bone knot
The structural representation of structure case of bending, wherein snake bone structure are formed by least two foregoing snake osteons are end to end.It is wherein each
Bracing wire is equipped with bracing wire perforation 130（Not shown in figure）, for driving snake bone structure to bend.It should be noted that should also
Including end snake osteon 200, the end snake osteon 200 only has one end and is provided with the pivot joint public affairs to match with the snake osteon
And/or female joint.
The snake osteon of the present embodiment and the snake bone structure being made up of the snake osteon, by being pivotally connected pin end and pivot joint
Female joint is mutually pivotable connection, is assembled without bearing pin, simple in construction, process is simplified；Between rotary stopper portion and rotary stopper groove
Provided with the anti-detachment position limiting structure being mutually matched, not only adjacent snake osteon can be effectively prevented to be mutually disengaged, and can limit
Make the rotation angle range between adjacent snake osteon so that the anglec of rotation is controllable.
In a word, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in the present invention
Spirit and principle within all any modification, equivalent and improvement made etc., should be included in protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of snake osteon, it is characterised in that including tubular body, the both ends of the tubular body are provided with two groups and are mutually matched
Pin-jointed structure, diametrically setting of the pin-jointed structure described in two groups along tubular body；The pin-jointed structure includes being located at tubulose sheet
The pivot joint female joint of body one end and the pivot joint pin end positioned at the tubular body other end, pivot joint female joint and the pivot joint pin end
Positioned at the same side of tubular body radial direction；The pivot joint female joint includes swivelling chute and the rotation located at swivelling chute both sides limits
Position portion, the side that the swivelling chute is located remotely from pivot joint pin end are provided with opening；The pivot joint pin end includes and the rotation
The rotating part and be used for the rotary stopper groove for accommodating rotary stopper portion positioned at rotating part both sides that groove is adapted；The rotary stopper portion
The anti-detachment position limiting structure being mutually matched is provided between rotary stopper groove.
2. according to the snake osteon described in claim 1, it is characterised in that the anti-detachment position limiting structure is included located at rotation limit
Snap fit one in the portion of position away from the side end of swivelling chute one and the snap fit two away from rotating part side in rotary stopper groove, it is described
The rotary stopper portion is limited in rotary stopper groove by anti-detachment position limiting structure.
3. according to the snake osteon described in claim 2, it is characterised in that the rotary stopper portion includes the opening of spin turn trough
Inclined-plane one, the extrados one of snap fit one and the extrados two that tubular body end face is extended to from snap fit one that place extends obliquely out, institute
State that extrados one and extrados two be concentric with the swivelling chute and radius of extrados one is more than the radius of extrados two.
4. according to the snake osteon described in claim 3, it is characterised in that the rotary stopper groove includes and the phase of inclined-plane one
Corresponding inclined-plane two, the intrados one coordinated with the extrados one and the inner arc coordinated on snap fit two with extrados two
Face two, the wherein arc length of intrados one are more than the arc length of extrados one.
5. according to the snake osteon described in claim 1-4, it is characterised in that the centre of gyration line of the rotating part and swivelling chute
Intersected vertically with the axis of tubular body.
6. according to the snake osteon described in claim 5, it is characterised in that the rotating part rotates against the rotation center angle of groove
For 10 ° ~ 80 °.
7. according to the snake osteon described in claim 1-4 or 6 any one, it is characterised in that the tubular body is provided with two
It is individual to axially extend and in the bracing wire perforation diametrically set, two bracing wires perforation respectively positioned at two groups of pin-jointed structures it
Between tubular body wall on.
8. according to the snake osteon described in claim 7, it is characterised in that bracing wire perforation is from part tubular body wall to pipe
Shape body sunken inside is formed.
9. a kind of snake bone structure, it is characterised in that including at least the snake osteon head and the tail described in two claim any one of 1-8
Connect.
10. according to the snake bone structure described in claim 9, it is characterised in that also including end snake osteon, the end snake bone
Unit only has one end and is provided with the pivot joint public affairs to match with the snake osteon and/or female joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530571.XA CN107518861A (en) | 2017-06-29 | 2017-06-29 | Snake osteon and snake bone structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530571.XA CN107518861A (en) | 2017-06-29 | 2017-06-29 | Snake osteon and snake bone structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107518861A true CN107518861A (en) | 2017-12-29 |
Family
ID=60748748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710530571.XA Pending CN107518861A (en) | 2017-06-29 | 2017-06-29 | Snake osteon and snake bone structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN107518861A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107518860A (en) * | 2017-06-29 | 2017-12-29 | 杭州无创光电有限公司 | Endoscope snake bone structure and endoscope |
| CN108030460A (en) * | 2017-11-03 | 2018-05-15 | 珠海普生医疗科技有限公司 | A kind of connection structure of snake bone |
| CN108553069A (en) * | 2018-05-17 | 2018-09-21 | 黄琴 | Controllable bending curved tube structure |
| WO2020135364A1 (en) * | 2018-12-25 | 2020-07-02 | 深圳市先赞科技有限公司 | Bending part of endoscope and endoscope |
| KR20200081125A (en) * | 2018-12-27 | 2020-07-07 | 재단법인대구경북과학기술원 | Compliant joint |
| CN111700578A (en) * | 2020-07-13 | 2020-09-25 | 上海熠达光电科技有限公司 | Endoscope bending part |
| CN113040687A (en) * | 2019-12-27 | 2021-06-29 | 宁波思康鑫电子科技有限公司 | Endoscope snake bone and manufacturing process thereof |
| CN113907876A (en) * | 2021-09-22 | 2022-01-11 | 中南大学湘雅医院 | Spine-imitated high-rigidity linear driving mechanical arm and surgical robot |
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| CN107518860A (en) * | 2017-06-29 | 2017-12-29 | 杭州无创光电有限公司 | Endoscope snake bone structure and endoscope |
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| CN113040687A (en) * | 2019-12-27 | 2021-06-29 | 宁波思康鑫电子科技有限公司 | Endoscope snake bone and manufacturing process thereof |
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