CN210871457U - Connection structure of tip and snake bone - Google Patents
Connection structure of tip and snake bone Download PDFInfo
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- CN210871457U CN210871457U CN201921230724.XU CN201921230724U CN210871457U CN 210871457 U CN210871457 U CN 210871457U CN 201921230724 U CN201921230724 U CN 201921230724U CN 210871457 U CN210871457 U CN 210871457U
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- snake bone
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- protrusion
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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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00089—Hoods
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/0011—Manufacturing of endoscope parts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00131—Accessories for endoscopes
- A61B1/00137—End pieces at either end of the endoscope, e.g. caps, seals or forceps plugs
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
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- Manufacturing & Machinery (AREA)
- Surgical Instruments (AREA)
- Endoscopes (AREA)
Abstract
The utility model discloses a connecting structure of a tip part and a snake bone, which comprises the snake bone, wherein the upper end of the snake bone is sleeved with the tip part, and the tip part is connected with the snake bone through an inserting mechanism; the plug-in mechanism comprises a protrusion and a groove, the protrusion extends outwards and is arranged on the upper edge of the snake bone or the lower edge of the tip part, the groove is arranged on the lower edge of the matched tip part or the upper edge of the matched snake bone, the protrusion and the groove are in one-to-one up-and-down correspondence, and the protrusion is inserted in the groove for connection; the snake bone is connected with the front end part up and down, the inserting mechanism can limit, the snake bone cannot move after being connected with the front end part, the snake bone and the front end part are conveniently glued and bonded after being positioned, the rejection rate is reduced, the inserting mechanism is small in thickness, the space of the front end part or the inner part of the snake bone cannot be occupied, and the purpose of reducing the size of the front end part is achieved.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a connection structure of tip and snake bone earlier.
Background
In order to bend the distal end portion of the endoscope, it is necessary to connect the distal end portion of the endoscope with a metal snake bone, and there are two main ways of connecting the distal end portion of the endoscope with the snake bone: 1) the front end is directly sleeved on the snake bone and then is adhered by using an adhesive. Although the length of the connecting part can be greatly shortened by the connecting process, the displacement can occur during sleeving, and the direction and the position of the tip part and the snake bone are difficult to determine, so that waste products are easy to generate in bonding; 2) the annular part is used as a connecting piece and sleeved outside the connected tip part and the snake. This type of attachment increases the outer diameter of the attachment site, making it more difficult to place the endoscope within the body.
SUMMERY OF THE UTILITY MODEL
In order to overcome at least one above-mentioned prior art's technical problem, the utility model provides a fix a position when easy to assemble, reduce tip external diameter, connect the connection structure of reliable tip and snake bone.
The connecting structure of the tip part and the snake bone comprises the snake bone, wherein the tip part is sleeved on the upper end of the snake bone, and the tip part is connected with the snake bone through an inserting mechanism; the plug-in mechanism comprises a protrusion and a groove, the protrusion extends outwards and is arranged on the upper edge of the snake bone or the lower edge of the tip part, the groove is arranged on the lower edge of the matched tip part or the upper edge of the matched snake bone, the protrusion and the groove are in one-to-one up-and-down correspondence, and the protrusion is inserted in the groove for connection.
The connecting structure of the tip part and the snake bone has at least the following beneficial effects: the snake bone is connected with the front end part up and down, the inserting mechanism can limit, the snake bone cannot move after being connected with the front end part, the snake bone and the front end part are conveniently glued and bonded after being positioned, the rejection rate is reduced, the inserting mechanism is small in thickness, the space of the front end part or the inner part of the snake bone cannot be occupied, and the purpose of reducing the size of the front end part is achieved.
In some embodiments of the above-described connection structure of the tip portion and the snake bone, the groove is provided on an inner peripheral surface of the tip portion or an outer peripheral surface of the snake bone. After the protrusion is inserted into the groove, the front end part or the circumferential surface of the snake bone can play a role of a baffle plate to prevent the protrusion from being removed from the groove.
In some embodiments of the above connection structure of the tip part and the snake bone, at least 2 groups of insertion mechanisms are uniformly arranged on the tip part and the snake bone, and the distance between two adjacent groups of insertion mechanisms is the same. The position of the inserting mechanism is uneven due to different angles, the angle positions of the snake bone and the front end part can be determined when the snake bone and the front end part are connected, the installation is quick, the snake bone and the front end part cannot be dislocated, and the rejection rate is reduced.
In some embodiments of the above connection structure of the tip portion and the snake bone, at least 2 groups of insertion mechanisms are uniformly arranged on the tip portion and the snake bone, and all the insertion mechanisms at least comprise two kinds of protrusions with different shapes. The bulges and the grooves with different shapes can not be mutually clamped, so that the angle position of the snake bone and the front end part can be determined when the snake bone is connected, the installation is quick, the snake bone and the front end part can not be dislocated, and the rejection rate is reduced.
In some embodiments of the above-described connection structure of the tip portion and the snake bone, a plurality of protrusions and grooves are provided on each of the tip portion and the snake bone, and the protrusions and the grooves are alternately arranged. According to the positions of the protrusion and the groove, the positions of the front end part and the snake bone during installation can be determined, the positioning effect is achieved, and the assembling efficiency is accelerated.
In some embodiments of the above-described connection structure of the distal end portion and the snake bone, the projection is a trapezoid having a protruding end side length longer than a connection end side length, and the groove is a trapezoid having a bottom side length longer than an opening side length. The trapezoidal protrusion and the groove are not easy to fall off after being spliced, and the connection is more reliable.
In some embodiments of the above connection structure of the tip portion and the snake bone, a cavity is provided at a lower end of the tip portion, a soft rubber pad is provided at a top edge of the cavity, and an upper end edge of the snake bone is pressed against the soft rubber pad. The soft rubber pad blocks the gap between the top of the snake bone and the tip part, and improves the sealing property of the tip part.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. Obviously, the described figures are only some embodiments of the invention, not all embodiments, and other designs and figures can be obtained by those skilled in the art without inventive effort, based on these figures:
FIG. 1 is a schematic view of a first embodiment of the present invention showing a front end section;
fig. 2 is a schematic structural view of a tip section of a second embodiment of the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It should be noted that unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and include, for example, fixed or removable connections or integral connections; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, the connection structure of the tip part and the snake bone comprises a snake bone 1, wherein a tip part 2 is sleeved on the upper end of the snake bone 1, and the tip part 2 is connected with the snake bone 1 through an insertion mechanism; the plug-in mechanism comprises a protrusion 3 and a groove 4, the protrusion 3 extends outwards and is arranged on the upper edge of the snake bone 1 or the lower edge of the front end part 2, the groove 4 is arranged on the lower edge of the matched front end part 2 or the upper edge of the matched snake bone 1, the protrusion 3 and the groove 4 correspond up and down one by one, the protrusion 3 is inserted into the groove 4 to be connected, the protrusion 3 can be directly inserted into the opening of the groove 4 to be fixed during connection, and the installation process is rapid and convenient.
The insertion mechanism is arranged on the body of the front end part 2 and the snake bone 1, the front end part 2 is connected with the snake bone 1 and then does not occupy the space inside the front end part 2 or the snake bone 1, the purpose of reducing the size of the front end part can be achieved, and the endoscope is miniaturized. And recess 4 can carry on spacingly to arch 3 for be difficult to shift after snake bone 1 and tip portion 2 are connected the rotation, when snake bone 1 and tip portion 2 follow-up glue that carries on gluing bond, snake bone 1 and tip portion 2 can keep the position, and it is effectual to glue, and is fast, has still reduced the rejection rate.
Referring to the first embodiment of the specification and shown in fig. 1, the insertion mechanism does not occupy the inner space of the snake bone 1 and the tip portion 2, and facilitates the entry of a large-diameter medical instrument or catheter into the snake bone 1 and the tip portion 2. The front end part 2 and the snake bone 1 are provided with 3 groups of inserting mechanisms, the plurality of bulges 3 and the grooves 4 in the first embodiment are rectangular, the width of the rectangle of each group of inserting mechanisms is different, the bulges 3 and the grooves 4 in different groups can not be clamped, the relative position of the snake bone 1 and the front end part 2 can be determined during installation, the installation efficiency is improved, and the error rate is reduced.
In other embodiments not shown in the drawings, the protrusions 3 and the grooves 4 of different plugging mechanisms may be arranged in different patterns, for example, the protrusions 3 of different plugging mechanisms are respectively arranged in a triangle, a rectangle and an arc, or the protrusions 3 of different plugging mechanisms are arranged in the same pattern, but the heights are different, and practical applications include, but are not limited to, different embodiments of changing shapes of plugging mechanisms described in the specification.
The groove 4 is arranged on the inner peripheral surface of the front end part 2, when the front end part 2 is sleeved outside the snake bone 1, the protrusion 3 is clamped into the groove 4, the protrusion 3 is pressed on the inner peripheral surface of the front end part 2 in a propping mode, the protrusion 3 has the trend of outward pressure, and the front end part 2 plays a limiting role, so that the snake bone 1 and the front end part 2 are not easy to shift and are connected more stably. In other embodiments not shown in the drawings, when the snake bone 1 is sleeved outside the front end part 2, the groove 4 is arranged on the outer circumferential surface of the snake bone 1, the protrusion 3 on the front end part 2 is clamped in the groove 4, the protrusion 3 is pressed against the outer circumferential surface of the snake bone 1, the protrusion 1 has a tendency of internal pressure, and the outer circumferential surface of the snake bone 1 plays a role in limiting, so that the connection is more reliable. Preferably, the front end of the plastic part is provided with a groove 4, and the snake bone 1 of the metal part is provided with a protrusion 3, so that the processing difficulty can be reduced.
The upper end of the front end part 2 is a top plate provided with a plurality of through holes, the front end part 2 at the lower end of the top plate is of a cavity structure, the edge of the top plate in the cavity is provided with a soft rubber cushion 5, and after the snake bone 1 is vertically connected with the front end part 2, the upper end edge of the snake bone 1 is pressed on the soft rubber cushion 5. The soft rubber cushion 5 seals the gap between the top of the snake bone 1 and the tip part 2, improves the sealing performance of the tip part 2 and prevents the lens from fogging.
Referring to the second embodiment of the specification and the attached fig. 2, the protrusion 3 is a trapezoid with a protruding end longer than a connecting end, and the groove 4 is a trapezoid with a bottom edge longer than an opening. The protruding end refers to an end of the protrusion 3 extending outward, the connecting end refers to an end of the protrusion 3 connected to the edge of the snake bone 1 or the tip portion 2, the bottom side refers to the bottom side of the inner side of the groove 4, and the opening refers to a gap formed by the groove 4 on the edge of the snake bone 1 or the tip portion 2. Because the protrusion 3 has certain elasticity, the trapezoidal protrusion 3 can not influence the protrusion 3 to be clamped into the groove 4, and after the snake bone 1 and the front end part 2 are inserted in place, the protrusion 3 and the groove 4 are limited along the axial direction and the circumferential direction, so that the snake bone is not easy to loosen, and the connection is more stable and reliable.
The front end part 2 and the snake bone 1 are evenly provided with 4 groups of inserting mechanisms, each front end part 2 and the snake bone 1 are respectively provided with 4 bulges 3 and grooves 4, the bulges 3 and the grooves 4 are alternately arranged at intervals, and the distance between every two adjacent groups of inserting mechanisms is different. Due to the different distances between the plugging mechanisms, when the snake bone 1 and the tip part 2 are not rotated in place, the protrusions 3 and the grooves 4 of different groups of plugging mechanisms cannot be aligned and clamped. The relative position of the snake bone 1 and the tip part 2 can be determined during installation, the installation efficiency is improved, and the rejection rate is reduced. In other embodiments not shown in the figures, 4 groups of plug-in mechanisms may be provided, wherein 2 adjacent groups of plug-in mechanisms are at the same distance, and the remaining two adjacent groups of plug-in mechanisms are at different distances. Different groups of plugging mechanisms can be arranged according to actual conditions, and at least 1 group of plugging mechanisms is selected to be arranged at the non-central position of the adjacent left and right plugging mechanisms, so that the plugging mechanisms are not uniformly distributed.
The upper end of the tip part 2 is a top plate provided with a plurality of through holes, the tip part 2 at the lower end of the top plate is of a cavity structure, after the snake bone 1 is connected with the tip part 2 up and down, the upper end edge of the snake bone 1 is pressed on the soft rubber pad 5, and the soft rubber pad 5 seals a gap between the top of the snake bone 1 and the tip part 2, so that the sealing performance of the tip part 2 is improved, and the lens can be prevented from being fogged.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited thereto, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A connection structure of a tip portion and a snake bone, characterized in that:
the snake bone fixing device comprises a snake bone, wherein a tip part is sleeved at the upper end of the snake bone and is connected with the snake bone through an inserting mechanism;
the plug-in mechanism comprises a protrusion and a groove, the protrusion extends outwards and is arranged on the upper edge of the snake bone or the lower edge of the tip part, the groove is arranged on the lower edge of the matched tip part or the upper edge of the matched snake bone, the protrusion and the groove are in one-to-one up-and-down correspondence, and the protrusion is inserted in the groove for connection.
2. The connection structure of the tip portion and the snake bone according to claim 1, wherein: the groove is provided on the inner peripheral surface of the leading end portion or the outer peripheral surface of the snake bone.
3. The connection structure of the tip portion and the snake bone according to claim 1, wherein: the tip part and the snake bone are evenly provided with at least 2 groups of splicing mechanisms, and the distance between two adjacent groups of splicing mechanisms is different.
4. The connection structure of the tip portion and the snake bone according to claim 1, wherein: the tip and the snake bone are evenly provided with at least 2 groups of insertion mechanisms, and all the insertion mechanisms at least comprise two bulges with different shapes.
5. The connection structure of the tip portion and the snake bone according to claim 3, wherein: each tip part and the snake bone are provided with a plurality of bulges and grooves which are alternately arranged.
6. The connection structure of the tip portion and the snake bone according to claim 1, wherein: the protruding end is a trapezoid with the side length of the protruding end longer than that of the connecting end, and the groove is a trapezoid with the bottom side longer than that of the opening.
7. The connection structure of the tip portion and the snake bone according to claim 1, wherein: the lower end of the tip part is provided with a cavity, the top edge of the cavity is provided with a soft rubber pad, and the upper end edge of the snake bone is pressed on the soft rubber pad.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921230724.XU CN210871457U (en) | 2019-07-30 | 2019-07-30 | Connection structure of tip and snake bone |
| DE202019104982.0U DE202019104982U1 (en) | 2019-07-30 | 2019-09-10 | Connection between apex and bending part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921230724.XU CN210871457U (en) | 2019-07-30 | 2019-07-30 | Connection structure of tip and snake bone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210871457U true CN210871457U (en) | 2020-06-30 |
Family
ID=68105221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921230724.XU Active CN210871457U (en) | 2019-07-30 | 2019-07-30 | Connection structure of tip and snake bone |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN210871457U (en) |
| DE (1) | DE202019104982U1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113197538A (en) * | 2021-04-01 | 2021-08-03 | 珠海普生医疗科技有限公司 | Endoscope tip and endoscope thereof |
| WO2023103932A1 (en) * | 2021-12-07 | 2023-06-15 | 广州瑞派医疗器械有限责任公司 | Tip and continuum body connecting structure and endoscope |
-
2019
- 2019-07-30 CN CN201921230724.XU patent/CN210871457U/en active Active
- 2019-09-10 DE DE202019104982.0U patent/DE202019104982U1/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113197538A (en) * | 2021-04-01 | 2021-08-03 | 珠海普生医疗科技有限公司 | Endoscope tip and endoscope thereof |
| CN113197538B (en) * | 2021-04-01 | 2023-11-10 | 珠海普生医疗科技有限公司 | Endoscope |
| WO2023103932A1 (en) * | 2021-12-07 | 2023-06-15 | 广州瑞派医疗器械有限责任公司 | Tip and continuum body connecting structure and endoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202019104982U1 (en) | 2019-09-16 |
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