CN215457833U - Bending tube for endoscope and endoscope - Google Patents
Bending tube for endoscope and endoscope Download PDFInfo
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- CN215457833U CN215457833U CN202120942041.8U CN202120942041U CN215457833U CN 215457833 U CN215457833 U CN 215457833U CN 202120942041 U CN202120942041 U CN 202120942041U CN 215457833 U CN215457833 U CN 215457833U
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Abstract
The utility model discloses a bending tube for an endoscope and the endoscope, wherein the bending tube comprises a plurality of bone sections which are connected in a front-back manner through a connecting structure, and the connecting structure comprises a connecting groove, a connecting sheet and a reinforcing mechanism. The connecting groove is arranged at one end of the bone joint and is arc-shaped. The connecting piece sets up the other end at the condyle, the connecting piece is circular, and the connecting piece card is in the spread groove, and the connecting piece can rotate in the spread groove. The reinforcing mechanism comprises a limiting groove and a limiting sheet, the limiting sheet rotates along with the bending of the bone section in the limiting groove, one of the limiting groove and the limiting sheet is arranged on the connecting groove, and the other is arranged on the connecting sheet. The reinforcing mechanism enables the connection between the connecting sheet and the connecting groove to be more reliable, the tensile strength between the bone sections can be enhanced in the axial direction of the bending pipe, the bone sections are not prone to being broken, the connection reliability between the connecting sheet and the connecting groove is enhanced when the bone sections are bent, and therefore the effect of increasing the bending strength of the bending pipe is achieved, and the bending pipe is not prone to being broken.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a bending tube for an endoscope and the endoscope.
Background
Endoscopes are medical devices that are widely used for clinical examination and diagnosis. The snake bone is used as an important part of an endoscope and is generally formed by sequentially connecting a plurality of bone segments, the connecting structure of two adjacent bone segments enables the two bone segments to relatively rotate within a certain range, and a traction rope arranged in the snake bone is pulled to realize bending and turning to form a bending pipe of the endoscope. However, since the snake bone is often bent, the strength of the bent portion is insufficient, and the bent portion of the snake bone is easily broken, and the connecting piece in the snake bone is separated from the connecting groove, it is necessary to provide a high-strength endoscope bending tube.
SUMMERY OF THE UTILITY MODEL
In order to overcome at least one of the above-mentioned problems of the prior art, the present invention provides a bending tube for an endoscope and an endoscope, which can effectively increase the bending strength and simultaneously increase the tensile strength.
The utility model provides a bending tube for endoscope, includes a plurality of condyles, the condyle meets through connection structure front and back, connection structure includes spread groove, connection piece and reinforcing mechanism. The connecting groove is arranged at one end of the bone joint and is arc-shaped. The connecting piece sets up the other end at the condyle, the connecting piece is circular, and the connecting piece card is in the spread groove, and the connecting piece can rotate in the spread groove. The reinforcing mechanism comprises a limiting groove and a limiting sheet, the limiting sheet rotates along with the bending of the bone section in the limiting groove, one of the limiting groove and the limiting sheet is arranged on the connecting groove, and the other is arranged on the connecting sheet.
The endoscope bending tube has at least the following advantages: the connecting piece and the connecting groove have the effect of connecting the bone sections, and a reinforcing mechanism is additionally arranged on the basis, so that the connecting piece and the connecting groove are more reliable in connection. Tensile strength between the bone sections can be enhanced in the axial direction of the bending pipe, the bone sections are not prone to being broken, and connection reliability between the connecting sheet and the connecting groove is enhanced when the bone sections are bent, so that the effect of increasing bending strength of the bending pipe is achieved, and the bone sections are not prone to being broken.
In some embodiments of the above bending tube for an endoscope, the limiting groove and the limiting sheet are strip-shaped, the limiting groove and the limiting sheet are curved into an arc shape, and a rotating gap is left at two ends of the limiting groove after the limiting sheet is clamped. The strip-shaped structure can increase the contact area in the stretching direction, thereby increasing the strength in the stretching direction.
As a further improvement of the scheme, the radian of the limiting groove and the limiting sheet is consistent with that of the connecting sheet. The bending angle of the condyle is consistent with that of the reinforcing structure, so that the radian is consistent when the condyle is bent, and the condyle can be bent more smoothly.
As a further improvement of the scheme, the reinforcing mechanism is arranged on the condyle close to the tail end, the bending angle of the tail end is large, the tail end is easy to break, the reinforcing effect of the reinforcing mechanism at the tail end is better, and the processing amount can be reduced.
As a further improvement of the above scheme, at least two groups of connecting structures are arranged on the condyle, the connecting structures are arranged at intervals along the circumferential direction of the condyle at equal intervals, and the connecting structures with the same groups are arranged according to the bending direction of the condyle, so that the multidirectional bending of the bending pipe is realized.
In some embodiments of the above endoscope bending tube, each condyle is provided with two pressing grooves extending along the circumferential direction of the condyle, and a tube wall between the pressing grooves is recessed inwards for fixing a traction wire for controlling the bending tube, so that the endoscope bending tube is easy and quick to process and is convenient for the traction wire to pass through.
The endoscope comprises the bending tube for the endoscope and a handle, and the tail end of the bending tube is fixed on the handle.
The endoscope has at least the following beneficial effects: the bending pipe is high in strength, the use effect cannot be influenced even if the bending angle is increased, the endoscope is better in performance, and the service life is longer.
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 utility model, 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 structural diagram of a preferred embodiment of the present invention;
fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Detailed Description
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 simplicity of description, but do not indicate or imply that the device or element being 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 meanings 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, disclosed is a bending tube for an endoscope, which includes a plurality of condyles 1, wherein the condyles 1 are connected in a front-to-back manner by a connection structure, and the connection structure includes a connection groove 2, a connection piece 3 and a reinforcement mechanism. The connecting groove 2 is arranged at one end of the bone section 1, and the connecting groove 2 is arc-shaped. The connecting piece 3 is arranged at the other end of the condyle 1, the connecting piece 3 is circular, the connecting piece 3 is clamped in the connecting groove 2, and the connecting piece 3 can rotate in the connecting groove 2. The both sides of connection piece 3 are provided with the recess, spread groove 2 includes the entry between two side arms and the side arm, and two side arms encircle to be convex, and two side arms insert in the recess of connection piece 3 and carry out spacing connection, connect reliably.
The reinforcing mechanism comprises a limiting groove 4 and a limiting sheet 5, wherein the limiting sheet 5 rotates along with the bending of the bone section 1 in the limiting groove 4, one of the limiting groove 4 and the limiting sheet 5 is arranged on the connecting groove 2, and the other is arranged on the connecting sheet 3. In the embodiment of the drawings, the limiting groove 4 is arranged at the top of the connecting piece 3, the limiting piece 5 is arranged at the bottom of the connecting groove 2, in the embodiment not shown, the limiting groove 4 can be arranged on the bottom condyle 1 of the connecting groove 2, the limiting piece 5 is arranged at the top of the connecting piece 3 and extends out, and the reinforcing mechanism can be arranged along the circumferential direction of the connecting piece 3.
The connecting piece 3 and the connecting groove 2 play a role in connecting the bone sections 1 with each other, and a reinforcing mechanism is additionally arranged on the basis, so that the connecting piece 3 and the connecting groove 2 are more reliable in connection. Tensile strength between the condyle 1 can be enhanced in the axial direction of the bending tube, the stretching tube is not easy to break, the bending limiting groove 4 and the limiting sheet 5 of the condyle 1 also rotate, the limiting groove 4 and the limiting sheet 5 can prevent the connecting sheet 3 from falling off from the connecting groove 2, thereby achieving the effect of increasing the bending strength of the bending tube and being not easy to break.
The radian of the limiting groove 4 and the limiting sheet 5 is consistent with that of the connecting sheet 3. The bending angle of the condyle 1 is consistent with that of the reinforcing structure, so that the radian is consistent when the condyle is bent, and the condyle can be bent more smoothly.
Reinforcing mechanism sets up on being close to terminal condyle 1, and terminal bending angle is big, and easy breaking occurs, and reinforcing mechanism is located terminal reinforcing effect better, can reduce condyle 1's processingamount for production efficiency.
Be provided with two sets of at least connection structure on the condyle 1, connection structure sets up along the circumference equidistance interval of condyle 1, sets up the connection structure of the same group number according to the crooked direction of condyle 1, realizes the multidirectional bending of crooked pipe.
Every all be provided with two indent 6 on the condyle 1, indent 6 extends along the circumference of condyle 1, and the pipe wall between indent 6 is inwards sunken to be used for the pull wire of the crooked pipe of fixed control, and processing is simple swift, makes things convenient for the pull wire to pass.
The endoscope comprises any one of the endoscope bending tubes and a handle for holding and operating, and the tail end of the bending tube is fixed on the handle. The bending pipe is high in strength, the use effect cannot be influenced even if the bending angle is increased, the endoscope is better in performance, and the service life is longer.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.
Claims (7)
1. A bending tube for an endoscope comprises a plurality of bone segments which are connected front and back through a connecting structure, and is characterized in that: the connecting structure comprises
The connecting groove is arranged at one end of the bone joint and is arc-shaped;
the connecting piece is arranged at the other end of the condyle and is round, the connecting piece is clamped in the connecting groove and can rotate in the connecting groove;
the reinforcing mechanism comprises a limiting groove and a limiting sheet, wherein the limiting sheet rotates along with the bending of the bone section in the limiting groove, one of the limiting groove and the limiting sheet is arranged on the connecting groove, and the other is arranged on the connecting sheet.
2. The endoscopic bending tube according to claim 1, wherein: the limiting groove and the limiting sheet are strip-shaped, the limiting groove and the limiting sheet are bent to be arc-shaped, and rotating gaps are reserved at two ends of the limiting groove after the limiting sheet is clamped in.
3. The endoscopic bending tube according to claim 2, wherein: the radian of the limiting groove and the limiting sheet is consistent with that of the connecting sheet.
4. The endoscopic bending tube according to claim 1, wherein: the reinforcing mechanism is disposed on the condyle near the distal end.
5. The endoscopic bending tube according to claim 1, wherein: at least two groups of connecting structures are arranged on the condyle, and the connecting structures are arranged at intervals along the circumferential direction of the condyle at equal intervals.
6. The endoscopic bending tube according to claim 1, wherein: every all be provided with two indent on the condyle, the indent extends along the circumference of condyle.
7. An endoscope, characterized by: the endoscopic bending tube according to any one of the preceding claims, further comprising a handle to which the distal end of the bending tube is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120942041.8U CN215457833U (en) | 2021-04-30 | 2021-04-30 | Bending tube for endoscope and endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120942041.8U CN215457833U (en) | 2021-04-30 | 2021-04-30 | Bending tube for endoscope and endoscope |
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| Publication Number | Publication Date |
|---|---|
| CN215457833U true CN215457833U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120942041.8U Active CN215457833U (en) | 2021-04-30 | 2021-04-30 | Bending tube for endoscope and endoscope |
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| Country | Link |
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| CN (1) | CN215457833U (en) |
Cited By (1)
| 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 |
-
2021
- 2021-04-30 CN CN202120942041.8U patent/CN215457833U/en active Active
Cited By (1)
| 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 |
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