CN210408351U - Unilateral-driven bidirectional snake bone and endoscope - Google Patents
Unilateral-driven bidirectional snake bone and endoscope Download PDFInfo
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- CN210408351U CN210408351U CN201821649372.7U CN201821649372U CN210408351U CN 210408351 U CN210408351 U CN 210408351U CN 201821649372 U CN201821649372 U CN 201821649372U CN 210408351 U CN210408351 U CN 210408351U
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Abstract
The utility model relates to a unilateral driving bidirectional snake bone, which comprises a snake bone main body, wherein the snake bone main body comprises an elastic supporting piece and a plurality of bone segments, the elastic supporting piece is bent to one side to form an arc shape, and the bone segments are sequentially arranged on the outer arc surface of the elastic supporting piece; and the traction part penetrates through the snake bone main body and is used for traction the snake bone main body to perform bending movement towards the direction opposite to the bending direction of the elastic support. The utility model discloses still relate to an endoscope, the endoscope includes two-way snake bone. Implement the utility model discloses a two-way snake bone and endoscope can effectively reduce the diameter of two-way snake bone and endoscope flexion.
Description
Technical Field
The utility model relates to an endoscope technical field, in particular to unilateral driven two-way snake bone.
Background
The endoscope is a medical instrument commonly used in modern medicine, and comprises an insertion part directly inserted into the human body, a bending part capable of being bent at will and a control end part used for manually controlling an operation handle, wherein a snake bone is arranged inside the bending part, and the bending of the snake bone can be realized through manually operating the control end part, so that the bending of the bending part is realized.
The endoscope with smaller diameter and bending radius is more and more needed in the diagnosis and treatment process of modern medicine, namely the snake bone with smaller diameter and bending radius is needed, the existing bidirectional snake bone is generally provided with two steel wire ropes for traction and two traction channels for placing the steel wire ropes inside the snake bone, the two steel wire ropes connected with the snake bone are pulled by the control end part to realize the bending of the snake bone in two directions, but the internal space of the snake bone is crowded and narrow, the reduction of the diameter of the snake bone is not facilitated, and meanwhile, the arrangement work of cables, light beams, water gas pipes, clamp pipe pipes and other pipelines inside the snake bone is also not facilitated.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, an object of the present invention is to provide a unilateral-driven bidirectional snake bone, which can realize bidirectional bending of the snake bone by setting a traction wire, and can reduce the diameter of the snake bone, thereby minimizing the diameter of the bending portion of the endoscope.
The utility model discloses a first aspect provides a unilateral driven two-way snake bone, including the snake bone main part, the snake bone main part includes elastic support piece and a plurality of condyle, elastic support piece bends to one side and forms the arc, a plurality of condyle locates in proper order the extrados of elastic support piece; and the traction part penetrates through the snake bone main body and is used for traction the snake bone main body to perform bending movement towards the direction opposite to the bending direction of the elastic support.
Further, the elastic supporting piece is made of an elastic metal material through a heat treatment process.
Further, the elastic metal material is a stainless steel material or a titanium alloy metal material.
Further, the traction portion includes: a plurality of traction channels are arranged on the inner surfaces of the plurality of bone segments opposite to the elastic supporting piece in sequence; the traction wire is positioned in the traction channel, the front end of the traction wire is fixed at the front end of the snake bone main body, and the rear end of the traction wire extends out of the rear end of the snake bone main body.
Furthermore, a plurality of the bone sections are arranged on the extrados surface of the elastic supporting part at equal intervals.
Furthermore, the bone segments are in an asymmetrically designed annular structure, and the width of the bone segment on the side connected with the elastic supporting piece is larger than that of the bone segment on the side opposite to the elastic supporting piece.
Optionally, each of the bone segments is a spiral, and a plurality of the spiral bone segments are connected end to end at the elastic support.
Further, the condyle and the elastic support member are integrally formed.
The utility model also provides an endoscope, including above-mentioned arbitrary one unilateral driven two-way snake bone.
Because of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses a two-way snake bone can realize two-way bending through a pull wire, has reduced the diameter of two-way snake bone, has made things convenient for the inside winding displacement work of two-way snake bone.
The endoscope of the utility model is provided with the bidirectional snake bone driven by the single side, and the diameter of the bending part of the endoscope can be reduced to the maximum extent.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural view of a unilateral driving bidirectional snake bone in an unstressed state according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of another angle when the unilateral driving bidirectional snake bone is in an unstressed state according to the first embodiment of the present invention;
fig. 3 is a schematic structural view of a unilateral driving bidirectional snake bone in a less stressed state according to a first embodiment of the present invention;
fig. 4 is a schematic structural view of a unilateral driving bidirectional snake bone in a large stress state according to an embodiment of the present invention.
In the drawings:
1-elastic support 2-condyle 3-traction channel
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first", "second", and the like in the description and in the claims and in the drawings of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
Example one
Referring to fig. 1 and fig. 2, for the utility model provides a two-way snake bone of unilateral driven, including snake bone main part and traction portion, the snake bone main part includes elastic support element 1 and a plurality of condyle 2, elastic support element 1 forms the arc to one side bending, and is a plurality of condyle 2 locates in proper order elastic support element 1's extrados, traction portion runs through the snake bone main part is used for pulling the snake bone main part orientation the opposite direction of the crooked direction of elastic support element 1 carries out bending movement.
In some possible embodiments, the elastic support 1 is made of an elastic metal material, such as a stainless steel material or a titanium alloy metal material, which is first fixed in an arc shape bent to a certain side by a tool holder, and then is treated by a heat treatment process to obtain the elastic support 1 which is permanently bent in an arc shape and has a certain resilience.
In some possible embodiments, the condyles 2 are integrally formed with the elastic support 1, for example, the condyles 2 and the elastic support 1 are integrally formed by an injection molding process, and then the serpentine body with the condyles 2 and the elastic support 1 integrally formed is obtained by a heat treatment process, the distance between every two condyles 2 is equal, the plurality of the condyles 2 are all of an asymmetrically designed ring-shaped structure, the width of the condyle 2 on the side connected with the elastic support 1 is greater than the width of the condyle 2 on the side opposite to the elastic support 1, so as to ensure that the serpentine body can perform the maximum bending movement towards the direction opposite to the bending direction of the elastic support 1.
In some possible embodiments, the traction part includes a plurality of traction channels 3 and traction wires (not shown), the plurality of traction channels 3 are respectively arranged one by one corresponding to the plurality of bone segments 2, and the plurality of traction channels 3 are sequentially arranged on the inner surfaces of the plurality of bone segments 2 opposite to the elastic supporting member 1. The traction channel 3 and the snake bone main body are integrally formed through an injection molding process, optionally, the traction channel 3 can also be sequentially arranged in a plurality of the bone sections 2 opposite to the elastic support member 1, namely, the traction channel 3 is a row of through holes arranged in the bone sections 2. The traction wires are positioned in each traction channel 3, the front ends of the traction wires are fixed at the front ends of the snake bone main bodies, the rear ends of the traction wires extend out of the traction channels 3 at the rear ends of the snake bone main bodies and are used for drawing the snake bones to perform bending movement towards the opposite direction of the bending direction of the snake bones, and preferably, the traction wires are steel wire ropes.
Accordingly, as shown in fig. 1 and 2, in the case that the traction wire is not pulled, the bidirectional serpentine is bent to one side to form an arc shape, and when the traction wire is pulled with a certain force, the bidirectional serpentine is bent to the opposite direction of the bending direction of the bidirectional serpentine itself, as shown in fig. 3, and a proper force is applied, the bidirectional serpentine is in an upright state under the combined action of the pulling of the traction wire and the resilient support of the bidirectional serpentine itself, as shown in fig. 4, and when the traction wire is further pulled, the bidirectional serpentine is further bent to the opposite direction of the bending direction of the bidirectional serpentine due to the gaps between the plurality of segments 2 and the asymmetric design of the segments 2 until the narrower sides of the plurality of segments 2 are tightly contacted, and at this time, the maximum bending degree of the bidirectional serpentine in the direction is reached.
When the bidirectional snake bone needs to carry out bending movement towards the bending direction of the bidirectional snake bone, the traction wire only needs to be gradually loosened, the bidirectional snake bone can gradually carry out bending movement towards the bending direction of the bidirectional snake bone under the action of self resilience force, the specific process is opposite to the process of drawing the traction wire, and the description is omitted here.
Example two
The embodiment of the utility model provides another kind of unilateral driven two-way snake bone, including snake bone main part and traction portion, the snake bone main part includes elastic support piece and a plurality of condyle, elastic support piece forms the arc to a lateral bending, and is a plurality of the condyle is located in proper order elastic support piece's extrados face, traction portion runs through the snake bone main part is used for pulling the snake bone main part orientation the opposite direction of the crooked direction of elastic support piece carries out bending movement.
In some possible embodiments, the elastic support is made of an elastic metal material, such as a stainless steel material or a titanium alloy metal material, which is first fixed in an arc shape bent to a certain side by a tool holder, and then is treated by a heat treatment process to make the elastic support which is permanently bent in an arc shape and has a certain resilience.
In some possible embodiments, the bone segments are integrally formed with the elastic support member, for example, the bone segments and the elastic support member are integrally formed through an injection molding process, and then the serpentine bone body with the bone segments and the elastic support member integrally formed is obtained through a heat treatment process, wherein the spacing between every two bone segments is equal, each bone segment is in a spiral shape, and a plurality of the spiral bone segments are connected end to end at the elastic support member to form a structure similar to a spiral tube.
In some possible embodiments, the traction part includes a plurality of traction channels and a traction wire, the plurality of traction channels are respectively arranged corresponding to the plurality of bone segments one by one, and the plurality of traction channels are sequentially arranged on the inner surfaces of the plurality of bone segments opposite to the elastic supporting member. The traction channel and the snake bone main body are integrally formed through an injection molding process, optionally, the traction channel can also be sequentially arranged in a plurality of bone sections opposite to the elastic supporting piece, namely, the traction channel is a row of through holes arranged in the plurality of bone sections. The traction wire is positioned in each traction channel, the front end of the traction wire is fixed at the front end of the snake bone main body, the rear end of the traction wire extends out of the traction channel at the rear end of the snake bone main body and is used for traction of the snake bone to perform bending movement towards the direction opposite to the bending direction of the snake bone, and preferably, the traction wire is a steel wire rope.
The operation method of the bidirectional snake bone in this embodiment is similar to that in the embodiment, and is not described herein again.
EXAMPLE III
The third embodiment of the present invention provides an endoscope, the endoscope includes flexion and control end, the inside two-way snake bone that has embodiment one or embodiment two to provide that disposes of flexion, the pull wire with control end links to each other, works as through control end tractive and release the pull wire can realize the two-way bending of flexion specifically can refer to the description of above-mentioned embodiment, and this department is no longer repeated.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A unilateral driving, bi-directional snake bone, comprising:
the snake bone comprises a snake bone main body, wherein the snake bone main body comprises an elastic supporting piece (1) and a plurality of bone sections (2), the elastic supporting piece (1) is bent towards one side to form an arc shape, and the bone sections (2) are sequentially arranged on the extrados surface of the elastic supporting piece (1);
the traction part penetrates through the snake bone main body and is used for traction the snake bone main body to perform bending movement towards the direction opposite to the bending direction of the elastic support (1).
2. A unilateral driving bidirectional snake bone according to claim 1, wherein the elastic support member (1) is made of an elastic metal material through a heat treatment process.
3. A unilateral driving bidirectional snake bone according to claim 2, wherein the elastic metal material is a stainless steel material or a titanium alloy metal material.
4. A unilateral driving, bi-directional snake bone according to claim 1, wherein the distraction portion comprises:
a plurality of traction channels (3), wherein the plurality of traction channels (3) are sequentially arranged on the inner surfaces of the plurality of bone sections (2) opposite to the elastic supporting member (1);
the traction wire is positioned in the traction channel (3), the front end of the traction wire is fixed at the front end of the snake bone main body, and the rear end of the traction wire extends out of the rear end of the snake bone main body.
5. A unilateral driving bidirectional snake bone according to claim 1, wherein a plurality of the condyles (2) are equally spaced on the extrados of the elastic support member (1).
6. A unilateral driving bidirectional snake bone according to claim 1, wherein the condyle (2) is an asymmetrically designed ring-shaped structure, and the width of the condyle (2) at the side connected with the elastic supporting member (1) is larger than the width of the condyle (2) at the side opposite to the elastic supporting member (1).
7. A unilateral driving, bi-directional snake bone according to claim 1, wherein each of the condyles is a helix, and a plurality of the helical condyles meet end-to-end at the resilient support.
8. A unilateral driving bidirectional snake bone according to claim 1, wherein the condyle (2) is formed integrally with the elastic support member (1).
9. An endoscope, comprising a unilateral driving bidirectional snake bone according to any one of claims 1-8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821649372.7U CN210408351U (en) | 2018-10-11 | 2018-10-11 | Unilateral-driven bidirectional snake bone and endoscope |
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| CN201821649372.7U CN210408351U (en) | 2018-10-11 | 2018-10-11 | Unilateral-driven bidirectional snake bone and endoscope |
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| CN210408351U true CN210408351U (en) | 2020-04-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316157A (en) * | 2018-10-11 | 2019-02-12 | 苏州中科先进技术研究院有限公司 | A kind of two-way snake bone and endoscope of unilateral driving |
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2018
- 2018-10-11 CN CN201821649372.7U patent/CN210408351U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316157A (en) * | 2018-10-11 | 2019-02-12 | 苏州中科先进技术研究院有限公司 | A kind of two-way snake bone and endoscope of unilateral driving |
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