CN210784248U - Quick-operation joint and adjustable curved sheath system - Google Patents
Quick-operation joint and adjustable curved sheath system Download PDFInfo
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- CN210784248U CN210784248U CN201920654600.8U CN201920654600U CN210784248U CN 210784248 U CN210784248 U CN 210784248U CN 201920654600 U CN201920654600 U CN 201920654600U CN 210784248 U CN210784248 U CN 210784248U
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Abstract
The embodiment of the utility model discloses quick-operation joint and adjustable curved sheath system. Wherein, quick-operation joint includes: a proximal connection and a distal connection; the far-end connecting part and the near-end connecting part are mutually connected and are of an integrated structure, the near-end connecting part is used for extending into the adjusting handle, and the far-end connecting part is used for being exposed out of the adjusting handle; the near-end connecting part is provided with a through near-end channel; the far-end connecting part is provided with a through far-end channel; the near-end channel and the far-end channel are coaxially arranged and are communicated with each other; the near-end connecting portion is provided with an elastic buckle, and the elastic buckle is used for stretching into the clamping groove of the adjusting handle when the extrusion force is applied, and recovering to be clamped in the clamping groove of the adjusting handle after the extrusion force is removed. The utility model provides a quick-operation joint and adjustable curved sheath system can make the adjustment handle in the adjustable curved sheath system realize the high-speed joint with extending working channel to convenient operation.
Description
Technical Field
The embodiment of the utility model provides a relate to medical instrument, especially relate to a quick-operation joint and adjustable curved sheath system.
Background
In medical procedures, particularly in pulmonary surgery, an adjustable curved sheath system is required. Particularly, in the operation process of biopsy sampling, bacteriology, cytology examination and the like of a diseased region clinically by using a respiratory endoscope, an adjustable sheath tube is often used as a channel, so that the diseased region can be conveniently reached.
In order to make the adjustable bending sheath system easier to operate, the connection stability between the adjusting handle and the extension working channel needs to be relied on. Therefore, it is most common to bind the adjustment handle and the extended working channel together by means of a bungee cord binding. However, this method is not only cumbersome to operate, but also difficult to secure the connection stability between the extended working channel and the adjustment handle.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick-operation joint and adjustable curved sheath system can make the adjustment handle in the adjustable curved sheath system realize the high-speed joint with extending working channel to convenient operation.
The embodiment of the utility model provides a quick-operation joint for connect the adjustment handle in the adjustable curved sheath system and extend working channel, quick-operation joint includes: a proximal connection and a distal connection;
the far-end connecting part and the near-end connecting part are connected with each other and are of an integrated structure, the near-end connecting part is used for extending into the adjusting handle, and the far-end connecting part is used for being exposed out of the adjusting handle;
the near-end connecting part is provided with a through near-end channel;
the far-end connecting part is provided with a through far-end channel;
the near-end channel and the far-end channel are coaxially arranged and are communicated with each other;
the near-end connecting portion are provided with elastic buckles, the elastic buckles are used for stretching into the clamping grooves of the adjusting handles when the extrusion force is applied, and the elastic buckles recover to be clamped in the clamping grooves of the adjusting handles after the extrusion force is removed.
In one possible solution, the elastic catch comprises: a link portion and a pinch portion;
the head end of the connecting rod part is fixedly arranged on the near-end connecting part, and the tail end of the connecting rod part is tilted outside the near-end connecting part;
the pinching and holding part is arranged at the tail end of the connecting rod part;
the outer side wall of the connecting rod part is an inclined surface, and a groove is formed in the outer side wall of the connecting rod part.
In one possible embodiment, the pinching portion is 1/4 arc-shaped, and the arc center is on the center line of the proximal connecting portion.
In one possible solution, the groove is a rectangular groove.
In one possible embodiment, the connecting rod portion is flat, and an outer side wall of the proximal end connecting portion is a flat surface.
In a possible solution, the proximal end connection portion is provided with a clamping groove, and the proximal end passage is located in the clamping groove.
In one possible embodiment, the proximal channel has a rib disposed in the snap groove.
In a feasible scheme, the cross section of the clamping groove is in a combined shape comprising a rectangular surface and two semicircular surfaces which are respectively positioned at two ends of the rectangle.
In a possible solution, the diameter of the distal channel is smaller than the diameter of the proximal channel, so that a snap step is formed at the junction of the proximal channel and the distal channel, and the snap step is used for limiting the movement of the extended working channel.
The embodiment of the utility model provides an adjustable curved sheath system is still provided, include: an adjustment handle, an extended working channel, and a quick coupling as described in any of the above possibilities;
the extension working channel is connected with the adjusting handle through the quick connector.
The embodiment of the utility model provides a quick-operation joint and adjustable curved sheath system can make the adjustment handle in the adjustable curved sheath system realize the high-speed joint with extending working channel to convenient operation. In detail, due to the integrated structure of the far-end connecting part and the near-end connecting part of the quick connector, the near-end connecting part can be detachably connected with the adjusting handle, the far-end connecting part can be detachably connected with the extension working channel, the adjusting handle in the adjustable bent sheath system can be quickly connected with the extension working channel, and the quick connector is convenient to operate. When the quick connector is used, the elastic buckles on two sides of the near-end connecting portion slide along the sliding grooves in the far end of the adjusting handle and are extruded to penetrate through the annular clamping rib, and the elastic buckles stretch into the clamping grooves of the adjusting handle and are detachably connected with the adjusting handle due to the fact that the elastic buckles recover to be original shapes when force is removed. Meanwhile, the far-end connecting part is provided with a through far-end channel, and the inner diameter of the far-end channel is matched with the outer diameter of the extending working channel, so that the near end of the extending working channel can be stably inserted into the far-end channel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an adjustable sheath bending system in a first embodiment of the present invention at a viewing angle;
fig. 2 is a schematic structural diagram of an adjustable sheath bending system in a first embodiment of the present invention at another viewing angle;
fig. 3 is a schematic structural diagram of a quick coupling according to a first embodiment of the present invention at a viewing angle;
fig. 4 is a schematic structural diagram of the quick coupling according to the first embodiment of the present invention at another viewing angle;
fig. 5 is a schematic structural diagram of a quick coupling according to a first embodiment of the present invention at a further viewing angle;
fig. 6 is a schematic structural diagram of a quick coupling according to a first embodiment of the present invention at a near-end viewing angle;
fig. 7 is a schematic structural diagram of a quick coupling according to a second embodiment of the present invention at a viewing angle;
fig. 8 is a schematic structural diagram of a quick coupling according to a second embodiment of the present invention at another viewing angle;
the labels in the figure are:
an adjusting handle 1;
extending the working channel 2;
a quick coupling 3;
a chute 11;
a snap-fit rib 12;
a proximal connecting portion 31;
a distal connecting portion 32;
a proximal channel 311;
a distal passage 321;
a card slot 13;
an elastic buckle 312;
the link portion 3121;
a grip portion 3122;
a groove 3123;
a catching groove 313.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
The near end of the utility model refers to the end close to the operator, and the far end refers to the end far away from the operator.
Fig. 1 is the utility model discloses the structural schematic diagram of the sheath system of can turning under a visual angle in the first embodiment, fig. 2 is the utility model discloses the structural schematic diagram of the sheath system of can turning under another visual angle in the first embodiment, fig. 3 is the utility model discloses a quick-operation joint under a visual angle in the first embodiment, fig. 4 is the utility model discloses a quick-operation joint under another visual angle in the first embodiment, fig. 5 is the utility model discloses a quick-operation joint under another visual angle in the first embodiment structural schematic diagram, fig. 6 is the utility model provides a quick-operation joint under near-end visual angle in the first embodiment.
As shown in fig. 1 to 6, the present embodiment provides an adjustable curved sheath system, including: adjustment handle 1, extension working channel 2, and quick-operation joint 3, wherein, extension working channel 2 is connected with adjustment handle 1 through quick-operation joint 3.
The embodiment of the utility model provides a quick-operation joint 3 for connect adjustment handle 1 and extension working channel 2 in the adjustable curved sheath system. This quick-operation joint 3 includes: a proximal connector 31 and a distal connector 32. It should be noted that the end close to the user is the proximal end, and the end far from the user is the distal end.
Specifically, the distal end connecting portion 32 and the proximal end connecting portion 31 are connected to each other and are an integrated structure, the proximal end connecting portion 31 is used for extending into the adjustment handle 1, and the distal end connecting portion 32 is used for being exposed outside the adjustment handle 1. In this embodiment, the proximal connection portion 31 is a cylinder and is provided with a through proximal channel 311, the distal connection portion 32 is a cone and is provided with a through distal channel 321, wherein the proximal channel 311 and the distal channel 321 are coaxially disposed and are communicated with each other, two sides of the proximal connection portion 31 are symmetrically provided with elastic buckles 312, and the elastic buckles 312 are configured to extend into the slots 13 of the adjustment handle 1 when being subjected to an extrusion force and to recover to be buckled in the slots 13 of the adjustment handle 1 after the extrusion force is removed.
In this embodiment, the distal end of the adjustment handle 1 is provided with a sliding slot 11 for the elastic buckle 312 to slide into, and the distal end of the adjustment handle 1 is provided with an annular engaging rib 12, and the engaging rib 12 is wound on the sliding slot 11, so that a clamping slot 13 is formed between the engaging rib 12 and the sliding slot 11.
In addition, the proximal end of the working channel 2 in this embodiment is tubular, and the proximal end of the working channel 2 has a circular cross-section.
Through the above, it can be easily found that, due to the integrated structure of the distal end connecting portion 32 and the proximal end connecting portion 31 of the quick coupling 3, the detachable connection between the proximal end connecting portion 31 and the adjusting handle 1 and the detachable connection between the distal end connecting portion 32 and the extending working channel 2 can be realized, and the quick connection between the adjusting handle 1 and the extending working channel 2 in the adjustable curved sheath system can be realized, and the operation is convenient. Specifically, when the quick connector is used, the elastic buckles 312 on the two sides of the proximal connecting portion 31 slide along the sliding grooves 11 at the distal end of the adjusting handle 1, and the elastic buckles 312 are extruded, so that the elastic buckles 312 penetrate through the annular clamping ribs 12, and because the elastic buckles 312 recover to the original shape when the force is removed, the elastic buckles 312 extend into the clamping grooves 13 of the adjusting handle 1, so that the quick connector 3 is detachably connected with the adjusting handle 1. Meanwhile, since the distal end connecting portion 32 is provided with the through distal end passage 321, the inner diameter of the distal end passage 321 is matched with the outer diameter of the extended working channel 2, so that the proximal end of the extended working channel 2 can be stably inserted into the distal end passage 321.
Optionally, in this embodiment, the elastic buckle 312 includes: a link portion 3121 and a pinch portion 3122. The head end of the link portion 3121 is fixedly disposed on the proximal connecting portion 31, the tail end of the link portion 3121 is tilted outside the proximal connecting portion 31, the pinching portion 3122 is disposed at the tail end of the link portion 3121, the outer side wall of the link portion 3121 is an inclined surface, and the outer side wall of the link portion 3121 is provided with a groove 3123. This kind of elasticity buckle 312 structure is simple structure not only to elasticity resilience ability is better, in addition, because the lateral wall of connecting rod portion 3121 is equipped with recess 3123, this recess 3123 can with annular block muscle 12 block, further improves the connection stability.
More specifically, in the present embodiment, the grasping portion 3122 is an 1/4 arc surface, and the arc center is on the center line of the proximal end connecting portion 31. The grip 3122 can improve the comfort of the user.
Further, in the present embodiment, the groove 3123 is a rectangular groove 3123. In cooperation with this, the cross section of the annular engaging rib 12 is rectangular, so that the groove 3123 and the engaging rib 12 have excellent engaging stability.
Optionally, in this embodiment, the link portion 3121 is flat, and an outer sidewall of the proximal end connecting portion 31 is a plane. This structure allows the link portion 3121 to stably abut against the outside of the proximal end connecting portion 31 when pressed and moved close to the outside of the proximal end connecting portion 31.
In addition, optionally, in this embodiment, the proximal end connecting portion 31 is provided with a clamping groove 313, the proximal end channel 311 is located in the clamping groove 313, and the clamping groove 313 can be clamped with the shape of the distal end of the adjusting handle 1. In addition, in this embodiment, the cross section of the clamping groove 313 is a combined shape including a rectangular surface and two semicircular surfaces respectively located at two ends of the rectangular surface. In addition, in the present embodiment, the proximal passage 311 is provided with a reinforcing rib 3131 inside the coupling groove 3123 to increase structural strength.
It should be noted that in this embodiment, the diameter of the distal channel 321 is smaller than the diameter of the proximal channel 311, so that a clamping step is formed at the joint of the proximal channel 311 and the distal channel 321, and the clamping step is used to limit the movement of the extended working channel 2, thereby controlling the depth of the extended working channel 2 inserted into the distal connecting portion 32.
Fig. 7 is a schematic structural diagram of a quick coupling in the second embodiment of the present invention at a viewing angle, and fig. 8 is a schematic structural diagram of a quick coupling in the second embodiment of the present invention at another viewing angle.
Embodiment two is an alternative of embodiment one, as shown in fig. 7 and 8, the difference between embodiment two and embodiment one is that the number of the elastic buckles 312 'is one, and the elastic buckles 312' are located on one side of the proximal end connecting portion 31 ', and the pinching portions of the elastic buckles 312' are triangular. In addition, the shape of the catching groove 313 'is different from that of the first embodiment, and the shape of the catching groove 313' in this embodiment is a circle with a part missing. Further, the distal connection 32' is cylindrical. The rest is similar to the quick coupling in the first embodiment, and the using conditions and method are also similar, so the description is omitted.
In the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first feature or the second feature or indirectly contacting the first feature or the second feature through an intermediate.
Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A quick connector for connecting an adjustment handle to an elongate working channel in an adjustable curved sheath system, the quick connector comprising: a proximal connection and a distal connection;
the far-end connecting part and the near-end connecting part are connected with each other and are of an integrated structure, the near-end connecting part is used for extending into the adjusting handle, and the far-end connecting part is used for being exposed out of the adjusting handle;
the near-end connecting part is provided with a through near-end channel;
the far-end connecting part is provided with a through far-end channel;
the near-end channel and the far-end channel are coaxially arranged and are communicated with each other;
the near-end connecting portion are provided with elastic buckles, the elastic buckles are used for stretching into the clamping grooves of the adjusting handles when the extrusion force is applied, and the elastic buckles recover to be clamped in the clamping grooves of the adjusting handles after the extrusion force is removed.
2. The quick connector of claim 1, wherein the resilient catch comprises: a link portion and a pinch portion;
the head end of the connecting rod part is fixedly arranged on the near-end connecting part, and the tail end of the connecting rod part is tilted outside the near-end connecting part;
the pinching and holding part is arranged at the tail end of the connecting rod part;
the outer side wall of the connecting rod part is an inclined surface, and a groove is formed in the outer side wall of the connecting rod part.
3. The quick connector of claim 2, wherein the pinch portion is 1/4 arcs and the arc center is on the centerline of the proximal connecting portion.
4. The quick connector of claim 2 wherein said groove is a rectangular groove.
5. The quick connector of claim 2, wherein the connecting rod portion is flat and the outer sidewall of the proximal connecting portion is flat.
6. The quick connector of claim 1, wherein the proximal end connection portion has a snap groove, and the proximal end channel is located in the snap groove.
7. The quick connector of claim 6, wherein the proximal channel has a rib disposed within the snap groove.
8. The quick connector of claim 6, wherein the cross section of the clamping groove is a combined shape comprising a rectangular surface and two semicircular surfaces respectively positioned at two ends of the rectangular surface.
9. The quick connector of claim 1, wherein the diameter of the distal channel is smaller than the diameter of the proximal channel, such that the interface between the proximal channel and the distal channel forms a snap step for limiting movement of the extended working channel.
10. An adjustable curved sheath system, comprising: an adjustment handle, an extended working channel, and a quick coupling according to any one of claims 1 to 9;
the extension working channel is connected with the adjusting handle through the quick connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920654600.8U CN210784248U (en) | 2019-05-08 | 2019-05-08 | Quick-operation joint and adjustable curved sheath system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920654600.8U CN210784248U (en) | 2019-05-08 | 2019-05-08 | Quick-operation joint and adjustable curved sheath system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210784248U true CN210784248U (en) | 2020-06-19 |
Family
ID=71233376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920654600.8U Active CN210784248U (en) | 2019-05-08 | 2019-05-08 | Quick-operation joint and adjustable curved sheath system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210784248U (en) |
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2019
- 2019-05-08 CN CN201920654600.8U patent/CN210784248U/en active Active
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