CN113729598A - Medical endoscope snake bone pipe capable of being bent in segmented mode - Google Patents
Medical endoscope snake bone pipe capable of being bent in segmented mode Download PDFInfo
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- CN113729598A CN113729598A CN202111135344.XA CN202111135344A CN113729598A CN 113729598 A CN113729598 A CN 113729598A CN 202111135344 A CN202111135344 A CN 202111135344A CN 113729598 A CN113729598 A CN 113729598A
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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
- A61B1/005—Flexible endoscopes
- A61B1/008—Articulations
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Abstract
The invention provides a medical endoscope snake bone tube which can be bent in a segmented manner; comprises a first snake bone pipe body and a second snake bone pipe body; the first snake bone pipe body comprises a plurality of snake bone rings, a plurality of rotating lugs extend from the beginning ends of the snake bone rings, a plurality of rotating grooves matched with the rotating lugs are formed in the tail ends of the snake bone rings, and two adjacent snake bone rings are matched with the rotating grooves through the rotating lugs; two sides of the side wall of the second snake-bone pipe body are respectively provided with two groups of steering incisions, and the steering incisions in the same group are sequentially distributed on the second snake-bone pipe body along the axial direction of the second snake-bone pipe body. The snake bone pipe can achieve the effect of bending the whole snake bone pipe in sections. The invention also provides a medical endoscope which comprises the medical endoscope snake bone pipe capable of being bent in a segmented mode, the endoscope body hose and the tip end part, wherein the tip end part is connected with the endoscope body hose through the snake bone pipe. The medical endoscope can better finish the endoscopic aim by matching with the snake bone tube, and the operation can be smoothly carried out in a narrow space.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a medical endoscope snake bone tube capable of being bent in a segmented mode.
Background
The endoscope is a detection instrument integrating traditional optics, ergonomics, precision machinery, modern electronics, mathematics and software, has an image sensor, an optical lens, light source illumination, water gas control and the like, can enter the kidney through the urethra or enter the body through other natural pores, can achieve the removal of stones and the diagnosis of pathological changes and the like, and can reduce the wound of a patient in a minimally invasive surgery. The front and rear parts of the snake bone pipe used by the existing endoscope are consistent in structure, so that the front and rear parts are identical in bendable degree, the snake bone pipe can integrally turn when turning, the front turning amplitude and the rear amplitude of the snake bone pipe are required to be inconsistent in more and more operation scenes, but the existing snake bone pipe cannot meet the requirements, and a new snake bone pipe is urgently needed to meet the requirements that the pipe body is different in turning amplitude at different positions so as to adapt to the application of more operation scenes.
Disclosure of Invention
The invention aims to solve the technical problem of providing a medical endoscope snake bone tube which has reasonable structure and different steering amplitudes of a tube body and can be bent in a segmented mode.
In order to solve the technical problem, the invention provides a medical endoscope snake bone tube which can be bent in a segmented manner;
comprises a first snake bone pipe body and a second snake bone pipe body;
the first snake bone pipe body comprises a plurality of snake bone rings which are sequentially connected, a plurality of rotating lugs extend from the initial end face of each snake bone ring, a plurality of rotating grooves matched with the rotating lugs are formed in the tail end face of each snake bone ring, and any two adjacent snake bone rings are matched with the corresponding rotating grooves through the rotating lugs;
two sides of the side wall of the second snake-bone pipe body are respectively provided with two groups of steering incisions, each group of steering incisions comprises a plurality of steering incisions, the steering incisions in the same group are sequentially distributed on the side wall of the second snake-bone pipe body along the axial direction of the second snake-bone pipe body, and the two groups of steering incisions are arranged on the side wall of the second snake-bone pipe body in a staggered manner;
the snake bone ring at the tail end of the first snake bone pipe body is connected with the initial end of the second snake bone pipe body, and two rope passing channels for the traction steel wires to penetrate through are respectively arranged in the first snake bone pipe body and the second snake bone pipe body.
For a clearer understanding of the technical content of the present invention, the segmentally bendable medical endoscope snake bone pipe is hereinafter referred to as the present snake bone pipe.
Preferably, the snake bone pipe further comprises a snake bone initial ring, the tail end face of the snake bone initial ring is also provided with a plurality of rotating grooves matched with the rotating lugs, and the rotating lugs of the snake bone ring at the initial end of the first snake bone pipe body are matched with the rotating grooves of the snake bone initial ring.
Preferably, the snake bone pipe comprises a first snake bone pipe body and a second snake bone pipe body, wherein the two side walls of the snake bone ring of the first snake bone pipe body are respectively provided with a first rope passing hole formed by sinking towards the inner side direction of the snake bone ring, the side wall of the second snake bone pipe body is also provided with a plurality of second rope passing holes formed by sinking towards the inner side direction of the second snake bone pipe body, the plurality of second rope passing holes of the second snake bone pipe body are divided into two groups, and the first rope passing holes of all the snake bone rings on one side in the second snake bone pipe body and the group of second rope passing holes in the first snake bone pipe body form a rope passing channel together.
Preferably, the first snake bone pipe body is provided with a plurality of rotary lugs extending from the initial end surface, and a plurality of rotary grooves of the snake bone ring at the tail end of the first snake bone pipe body are matched and connected with a plurality of rotary lugs at the initial end of the second snake bone pipe body, so that the first snake bone pipe body is connected with the second snake bone pipe body.
As the preferred of this snake bone pipe, the rotation groove of snake bone ring is equipped with the notch shoulder at the opening part, the rotation lug of snake bone ring includes neck and rotation portion, and the width of neck is less than the width of rotation portion, leave the space that supplies notch shoulder pivoted between rotation portion and the snake bone ring main part, rotation portion has the pivoted space in rotating the notch.
Preferably, when the snake bone pipe is bent to the maximum angle, the arc length of the first snake bone pipe body accounts for two thirds of the arc length of the snake bone pipe, and the arc length of the second snake bone pipe body accounts for one third of the arc length of the snake bone pipe.
Preferably, the plurality of rotary lugs of the snake bone ring correspond to the plurality of rotary grooves one by one, and the positions of the rotary lugs in the circumferential direction of the snake bone ring main body are consistent with the positions of the corresponding rotary grooves in the circumferential direction of the snake bone ring main body.
Preferably, the total length of the medical endoscope snake bone pipe capable of being bent in sections is 30mm-80mm and the diameter of the snake bone pipe is 2mm-10mm in a straight arrangement state.
After the structure is adopted, when the traction steel wire pulls the snake-bone pipe to be bent, because the friction force between the rotating lug and the rotating groove is only needed to be overcome when the first snake-bone pipe structure is bent, the traction steel wire pulling force needs to be overcome when the second snake-bone pipe structure is bent, the material deformation between the steering cuts is needed to be overcome when the second snake-bone pipe structure is bent, the friction force between any two adjacent snake-bone ring rotating lugs and the rotating groove of the first snake-bone pipe body is smaller than the acting force for overcoming the pipe body deformation when the second snake-bone pipe is bent, so the pulling force of the first snake-bone pipe body is much smaller than that of the second snake-bone pipe body, the first snake-bone pipe body is bent in advance by the pulling force in the bending process of the snake-bone pipe, and after the first snake-bone pipe body is bent in place, the second snake-bone pipe body can be bent by continuously increasing the traction steel wire pulling force, and the effect of bending the whole snake-bone pipe in sections is achieved.
Drawings
FIG. 1 is a partially exploded perspective view of a straight-line layout of an embodiment of the snake.
FIG. 2 is a perspective view of the snake in a semi-flexed state according to the embodiment of the present invention.
FIG. 3 is a perspective view of the snake in a fully bent state in accordance with one embodiment of the present invention.
FIG. 4 is a front view of a snake bone ring of the present snake bone tube embodiment.
FIG. 5 is a perspective view of a second snake tube body of the present snake tube embodiment in a fully bent state.
FIG. 6 is a perspective view of the second embodiment of the snake bone tube in a fully bent state.
Detailed Description
Example one
As shown in fig. 1 to 5
The snake bone tube comprises a snake bone starting ring 2, a first snake bone tube body 1 and a second snake bone tube body 3.
The first snake bone pipe body 1 comprises a plurality of snake bone rings 11, the end face of each snake bone ring 11 is provided with two rotating grooves 11a matched with the rotating lug 11b, and the opening of the rotating groove 11a of each snake bone ring 11 is provided with a notch shoulder 11a 1.
Two rotating lugs 11b extend from the initial end face of each snake bone ring 11, the two rotating lugs 11b correspond to the two rotating grooves 11a one by one, the position of each rotating lug 11b in the circumferential direction of the snake bone ring 11 body is consistent with the position of the corresponding rotating groove 11a in the circumferential direction of the snake bone ring 11 body, each rotating lug 11b comprises a neck part 11b2 and a rotating part 11b1, the width of the neck part 11b2 is smaller than that of the rotating part 11b1, a gap for small rotation of the notch shoulder part 11a1 is reserved between the rotating part 11b1 and the snake bone ring 11 body, and a small rotating gap is reserved in the rotating groove 11a of the rotating part 11b 1.
The side walls of both sides of each snake bone ring 11 are respectively provided with a first rope passing hole 11c formed by sinking towards the inner side direction of the snake bone ring 11.
Any two adjacent snake bone rings 11 are matched with the rotating groove 11a through the rotating lug 11b to realize that the snake bone rings 11 are connected in sequence.
The end surface of the snake bone initial ring 2 is also provided with two rotating grooves which are matched with the rotating lugs 11b, and the two rotating lugs 11b of the snake bone ring 11 at the initial end of the first snake bone pipe body 1 are matched with the two rotating grooves of the snake bone initial ring 2.
Two sets of steering incisions 31 are respectively arranged on two sides of the side wall of the second snake-bone tube body 3, each set of steering incisions 31 comprises a plurality of steering incisions 31, the plurality of steering incisions 31 in the same set are sequentially distributed on the side wall of the second snake-bone tube body 3 along the axial direction of the second snake-bone tube body 3, and the two sets of steering incisions 31 are arranged on the side wall of the second snake-bone tube body 3 in a staggered mode.
The lateral wall of the second snake-bone tube body 3 is also provided with a plurality of second rope passing holes 32 formed by sinking towards the inner side direction of the second snake-bone tube body 3, the plurality of second rope passing holes 32 of the second snake-bone tube body 3 are divided into two groups, the first rope passing holes 11c on one side in all the snake-bone rings 11 of the second snake-bone tube body 3 and the group of second rope passing holes 32 and the first snake-bone rings 11 of the first snake-bone tube body 1 jointly form a rope passing channel, and two rope passing channels for two traction steel wires to run through are formed in the first snake-bone tube body 1 and the second snake-bone tube body 3.
Two rotary lugs are also extended from the starting end surface of the second snake-bone pipe body 3, and two rotary grooves 11a of the snake-bone ring 11 at the tail end of the first snake-bone pipe body 1 are connected and matched with the two rotary lugs at the starting end of the second snake-bone pipe body 3, so that the first snake-bone pipe body 1 and the second snake-bone pipe body 3 are connected.
Example two
As shown in fig. 6
The present embodiment is different from the first embodiment only in that:
under the straight line arrangement state of the snake bone pipe, the total length of the snake bone pipe is 60mm, the length of the first snake bone pipe body 1 ' and the snake bone initial ring 2 ' is 43mm, the length of the second snake bone pipe body 3 ' is 17mm, and the diameter range of the snake bone pipe is 2mm-10 mm.
When the snake-bone pipe is bent to the maximum angle, the arc length of the snake-bone pipe is L3, the arc length of the first snake-bone pipe body 1 ' and the snake-bone initial ring 2 ' is L1, the arc length L1 of the first snake-bone pipe body 1 ' and the snake-bone initial ring 2 ' accounts for two thirds of the arc length L3 of the snake-bone pipe, the arc length of the second snake-bone pipe body 3 ' is L2, the arc length of the second snake-bone pipe body 3 ' is L2, L3 is L1+ L2, and the arc length L2 of the second snake-bone pipe body 3 ' accounts for one third of the arc length L3 of the snake-bone pipe.
In a narrow space where the endoscope is applied, the first snake bone tube body 1' can reduce the occupied space of operation due to small bending radius in the bending process, so that the operation process is smoother.
While only two embodiments of the present invention have been described, it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention, and these changes and modifications should be construed as falling within the scope of the invention.
Claims (8)
1. A medical endoscope snake bone tube capable of being bent in sections, which is characterized in that:
comprises a first snake bone pipe body and a second snake bone pipe body;
the first snake bone pipe body comprises a plurality of snake bone rings which are sequentially connected, a plurality of rotating lugs extend from the initial end face of each snake bone ring, a plurality of rotating grooves matched with the rotating lugs are formed in the tail end face of each snake bone ring, and any two adjacent snake bone rings are matched with the corresponding rotating grooves through the rotating lugs;
two sides of the side wall of the second snake-bone pipe body are respectively provided with two groups of steering incisions, each group of steering incisions comprises a plurality of steering incisions, the steering incisions in the same group are sequentially distributed on the side wall of the second snake-bone pipe body along the axial direction of the second snake-bone pipe body, and the two groups of steering incisions are arranged on the side wall of the second snake-bone pipe body in a staggered manner;
the snake bone ring at the tail end of the first snake bone pipe body is connected with the initial end of the second snake bone pipe body, and two rope passing channels for the traction steel wires to penetrate through are respectively arranged in the first snake bone pipe body and the second snake bone pipe body.
2. The medical endoscope snake bone tube capable of being bent in sections of claim 1, which is characterized in that:
the snake bone pipe also comprises a snake bone initial ring, wherein the tail end face of the snake bone initial ring is also provided with a plurality of rotating grooves matched with the rotating lugs, and the rotating lugs of the snake bone ring at the initial end of the first snake bone pipe body are matched with the rotating grooves of the snake bone initial ring.
3. The medical endoscope snake bone tube capable of being bent in sections as claimed in claim 2, which is characterized in that:
the side walls of two sides of the snake bone ring of the first snake bone pipe body are respectively provided with a first rope passing hole formed by sinking towards the inner side direction of the snake bone ring, the side wall of the second snake bone pipe body is also provided with a plurality of second rope passing holes formed by sinking towards the inner side direction of the second snake bone pipe body, the plurality of second rope passing holes of the second snake bone pipe body are divided into two groups, and the first rope passing holes of all the snake bone rings on one side in the first snake bone pipe body and the group of second rope passing holes in the second snake bone pipe body jointly form a rope passing channel.
4. The medical endoscope snake bone tube capable of being bent in sections of claim 1, which is characterized in that:
the first snake bone pipe body is provided with a plurality of rotation lugs, and a plurality of rotation grooves of the snake bone ring at the tail end of the first snake bone pipe body are matched and connected with a plurality of rotation lugs at the start end of the second snake bone pipe body to realize the connection between the first snake bone pipe body and the second snake bone pipe body.
5. The medical endoscope snake bone tube capable of being bent in sections of claim 1, which is characterized in that:
the rotation groove of snake bone ring is equipped with the notch shoulder at the opening part, the rotation lug of snake bone ring includes neck and rotation portion, and the width of neck is less than the width of rotation portion, leave between rotation portion and the snake bone ring main part and supply notch shoulder pivoted space, rotation portion has the pivoted space in rotating the notch.
6. The medical endoscope snake bone tube capable of being bent in sections of claim 1, which is characterized in that:
when the medical endoscope snake bone pipe capable of being bent in sections is bent to the maximum angle, the arc length of the first snake bone pipe body accounts for two thirds of the arc length of the medical endoscope snake bone pipe capable of being bent in sections, and the arc length of the second snake bone pipe body accounts for one third of the arc length of the medical endoscope snake bone pipe capable of being bent in sections.
7. The medical endoscope snake bone tube capable of being bent in sections of claim 1, which is characterized in that:
the plurality of rotating lugs of the snake bone ring correspond to the plurality of rotating grooves one by one, and the positions of the rotating lugs in the circumferential direction of the snake bone ring main body are consistent with the positions of the corresponding rotating grooves in the circumferential direction of the snake bone ring main body.
8. The medical endoscope snake bone tube capable of being bent in sections of claim 1, which is characterized in that:
under the linear arrangement state of the medical endoscope snake bone pipe capable of being bent in a segmented mode, the total length of the medical endoscope snake bone pipe capable of being bent in a segmented mode is 30mm-80mm, and the diameter range of the medical endoscope snake bone pipe capable of being bent in a segmented mode is 2mm-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111135344.XA CN113729598A (en) | 2021-09-27 | 2021-09-27 | Medical endoscope snake bone pipe capable of being bent in segmented mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111135344.XA CN113729598A (en) | 2021-09-27 | 2021-09-27 | Medical endoscope snake bone pipe capable of being bent in segmented mode |
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| Publication Number | Publication Date |
|---|---|
| CN113729598A true CN113729598A (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111135344.XA Pending CN113729598A (en) | 2021-09-27 | 2021-09-27 | Medical endoscope snake bone pipe capable of being bent in segmented mode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934944A (en) * | 2022-05-14 | 2022-08-23 | 张旭光 | Miniature waterproof crooked coiled pipe device |
| WO2023116666A1 (en) * | 2021-12-24 | 2023-06-29 | 微创优通医疗科技（上海）有限公司 | Bending section structure, probe insertion structure, and flexible probe |
-
2021
- 2021-09-27 CN CN202111135344.XA patent/CN113729598A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023116666A1 (en) * | 2021-12-24 | 2023-06-29 | 微创优通医疗科技（上海）有限公司 | Bending section structure, probe insertion structure, and flexible probe |
| CN114934944A (en) * | 2022-05-14 | 2022-08-23 | 张旭光 | Miniature waterproof crooked coiled pipe device |
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