CN212438697U - Handle with rotating channel and endoscope - Google Patents
Handle with rotating channel and endoscope Download PDFInfo
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- CN212438697U CN212438697U CN202020209127.5U CN202020209127U CN212438697U CN 212438697 U CN212438697 U CN 212438697U CN 202020209127 U CN202020209127 U CN 202020209127U CN 212438697 U CN212438697 U CN 212438697U
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- 238000003780 insertion Methods 0.000 claims abstract description 10
- 230000037431 insertion Effects 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000001574 biopsy Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a handle with a rotary channel and an endoscope, wherein the handle comprises a shell, a working channel is arranged in the shell, the tail end of the working channel is hinged with an instrument channel, and the tail end of the instrument channel extends out of the shell; the insertion tube of the endoscope is in communication with the handle. The instrument channel is hinged to the working channel, so that the instrument channel can rotate along the axial direction, when the holding direction is changed, the instrument channel can be rotated, so that the medical instrument can be placed more conveniently, and the medical instrument can be operated to enter a patient body more conveniently.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a handle and endoscope of taking swivelling joint way.
Background
An endoscope is a commonly used medical device, which includes a handle and an insertion tube, and the insertion tube is controlled by the handle to enter the body through a natural orifice or an surgically formed orifice of the human body. The handle is internally provided with a connecting channel and an instrument channel, and the instrument channel is used for the entrance and exit of various medical instruments such as biopsy forceps, guide wires and the like. In the prior art, the direction of an instrument channel is fixed, and when a user changes a holding hand or holding direction, a cable connected to the rear end of the instrument is easy to interfere with the holding hand, so that the operation of the endoscope by the user is influenced.
In order to facilitate holding of a user by both hands, some endoscope instrument channels are externally connected with rotary joints, and the rotary joints are connected with extension pipes, so that the extension pipes can rotate, the direction of instrument cables can be adjusted, but the external rotary joints need to be additionally assembled, operation steps are increased, and the preparation time before use is prolonged.
SUMMERY OF THE UTILITY MODEL
In order to overcome at least one technical problem of the prior art, the utility model provides a handle and endoscope that can change the apparatus entering direction, be fit for different angles and grip, more convenient area revolving channel.
The handle with the rotating channel comprises a shell, wherein a working channel is arranged in the shell, the tail end of the working channel is hinged with an instrument channel, and the tail end of the instrument channel extends out of the shell.
The handle with the rotating channel has at least the following beneficial effects: the instrument channel is hinged to the working channel, so that the instrument channel can rotate along the axial direction, when the holding direction is changed, the instrument channel can be rotated, so that the medical instrument can be placed more conveniently, and the medical instrument can be operated to enter a patient body more conveniently.
In some embodiments of the handle with a swivel channel, the distal end of the working channel is sleeved with the head end of the instrument channel, and the instrument channel rotates around the distal end of the working channel. The cup joint installation is very convenient and fast, and the connecting part is small in size and suitable for being used by a miniaturized handle.
In some embodiments of the above handle with a rotary channel, the inner wall of the head end of the instrument channel or the tail end of the working channel is provided with a stepped hole, when in sleeve joint, the tail end of the working channel or the head end of the instrument channel is pressed against the end face of the stepped hole, and the inner wall of the instrument channel and the inner wall of the working channel are located on the same circumferential surface. The bulges in the connecting sections of the instrument channel and the working channel are eliminated, the instruments are prevented from being scraped and rubbed when passing in and out, dirt is prevented from being accumulated at the bulges, and the difficulty in cleaning during repeated use is reduced.
In some embodiments of the handle with a rotation channel, the wall thickness of the head end or the tail end of the instrument channel is gradually reduced towards the end. The bulges at the inner part of the connection part of the instrument channel and the working channel are eliminated, and the transition of the inner peripheral surfaces of the instrument channel and the working channel is smooth, so that the working channel is inserted into the instrument channel or the instrument channel is more quickly passed in and out of the working channel.
In some embodiments of the handle with the rotation channel, the joint of the working channel and the instrument channel is sleeved with an outer sleeve, the tail end of the working channel is fixedly connected with the outer sleeve, and the head end of the instrument channel is rotatably connected with the outer sleeve. The outer sleeve can reduce the processing degree of difficulty of apparatus passageway and working channel, reduces the arch and the space of apparatus passageway and working channel junction, improves airtight effect.
In some embodiments of the above handle with a rotation channel, the working channel is further provided with a communicating liquid channel, and a distal end of the liquid channel extends out of the housing. The liquid channel can be used for transfusion or liquid drainage, and the using effect of the endoscope is improved.
In some embodiments of the above handle with a rotation channel, the instrument channel is further provided with a communicating fluid channel. The liquid channel can be used for transfusion or liquid drainage, and the using effect of the endoscope is improved.
In some embodiments of the above handle with a rotation channel, the instrument channel is connected with a damping mechanism for increasing the rotation friction of the instrument channel, and the damping mechanism comprises a sealing ring sleeved between the instrument channel and a pipeline hinged with the instrument channel. Resistance when increase frictional force can make the apparatus passageway rotatory is bigger, plays and carries on spacingly to the apparatus passageway, prevents the apparatus passageway effect of pivoted at will, and the sealing washer can also improve the sealed effect between working channel and the articulated pipeline, prevents that gas leakage weeping's problem from appearing in articulated department.
In some embodiments of the above handle with a rotation channel, the distal end of the working channel is curved towards the hole site of the instrument channel extending out of the housing, and the distal end of the instrument channel is curved away from the housing. The radian is arranged at one end, hinged to the instrument channel, of the working channel, the instrument channel can be conveniently connected, the instrument channel is arranged in the shell in an inclined mode, the instrument channel extending out of the shell is bent towards the direction far away from the handle, and the situation that a cable connected with a medical instrument obstructs the operation of a user is avoided.
There is also provided an endoscope comprising an insertion tube connected to either of the handles described above, the insertion tube being substantially coincident with the axis of the working channel in the handle.
The endoscope has at least the following beneficial effects: the endoscope with the rotary channel is more convenient to use, does not need to assemble accessories, is short in preparation time before use, and is more convenient for doctors to use.
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 preferred embodiment of an endoscope of the present invention;
FIG. 2 is a schematic view of the internal structure of the working channel of the preferred embodiment of the handle of the present invention;
FIG. 3 is a cross-sectional view of the working channel of the preferred embodiment of the handle of the present invention;
fig. 4 is a sectional view of a working channel of a second embodiment of the handle of the present invention.
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 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 to 4, the handle with the rotation channel comprises a shell 1, a working channel 2 is arranged in the shell 1, the tail end of the working channel 2 is hinged with an instrument channel 3, and the tail end of the instrument channel 3 extends out of the shell 1. According to fig. 3, articulated can select for use that apparatus passageway 3 and working channel 2 cup joint each other, and the internal surface of apparatus passageway 3 front end is provided with the burr, and the terminal surface of working channel is provided with the dimpled grain, and the front end cover of apparatus passageway 3 is established and is connected outside working channel 2, and the gomphosis of burr and dimpled grain makes apparatus passageway 3 and working channel 2 connect to make apparatus passageway 3 rotate along the junction axis, or establish the end cover of working channel 2 outside apparatus passageway 3, make apparatus passageway 3 internal rotation in working channel 2.
Referring to the second embodiment in fig. 4, in addition to the tool channel 3 being sleeved on the working channel 2, an outer sleeve 7 may be disposed at the joint of the working channel 2 and the tool channel 3, the inner surface of the outer sleeve 7 is provided with convex patterns, the outer surface of the front end of the tool channel 3 is provided with concave patterns, the working channel 2 and the outer sleeve 7 are fixedly connected by different methods such as adhesive, connector or integral molding, and then the tool channel 3 is inserted into the outer sleeve 7, and the tool channel 3 is sleeved outside the working channel 2 by the concave-convex patterns, so that the working channel 2 and the tool channel 3 are both disposed in the outer sleeve 7, and the tool channel 3 can rotate along the inner circumferential surface of the outer sleeve 7.
The style and structure of burr and dimpled grain in working channel 2 and the 3 cover structures of apparatus passageway are not limited to the structure shown in this best embodiment description attached drawing, can also set up the concavo-convex line to the screw thread form, or wedge, as long as can all be included with working channel 2 and the articulated mode of apparatus passageway 3 the utility model discloses an in the protection scope.
When the working channel 2 and the instrument channel 3 are connected in a sleeved mode, in order to eliminate the protrusion formed in the inner wall when the instrument channel 3 is connected with the working channel 2, a stepped hole is formed in the inner wall of the head end of the instrument channel 3 or the tail end of the working channel 2, when the instrument channel 3 is inserted into the working channel 2 or the working channel 2 is inserted into the instrument channel 3, the tail end of the working channel 2 or the head end of the instrument channel 3 is pressed against the end face of the stepped hole, the inner walls of the instrument channel 3 and the working channel 2 are located in the same circumferential plane, and the instrument channel 3 after being butted with the working channel 2 is connected to form a smooth inner wall. Or the wall thickness of the tail end of the instrument channel 3 or the head end of the working channel 2 is gradually reduced, so that when the working channel 2 is inserted into the instrument channel 3 or the instrument channel 3 is inserted into the working channel 2, the end part of the instrument channel 3 or the working channel 2 and the inner wall of another pipeline form a gentle transition, and the bulge can be eliminated. The bulges in the channel can be avoided by the structures, the instruments are prevented from colliding when entering and exiting the channel, the instruments are prevented from being damaged, dirt can be easily accumulated on the bulges, the bulges can reduce the difficulty of repeated cleaning, and the multifunctional instrument is more sanitary.
In the preferred embodiment shown in fig. 2, a plurality of slots are formed in the housing 1, and a plurality of sheet-shaped protrusions are arranged on the working channel 2, and the sheet-shaped protrusions are clamped into the slots to fix the working channel 2 in the housing 1, so that the clamping can facilitate the replacement or the loading and unloading of the working channel 2. In other embodiments, the working channel 2 may be integrally injection molded with the housing 1, and may be connected by an adhesive, and the connection manner of the working channel 2 and the housing 1 includes but is not limited to the above-mentioned embodiments.
The working channel 2 in fig. 1-4 is further provided with a communicating liquid channel 4, and the end of the liquid channel 4 extends out of the housing 1. In some embodiments not shown in the drawings, the fluid channel 4 may be disposed on the instrument channel 3 and in communication with the instrument channel 3. The liquid channel 4 can be used for transfusion or liquid drainage, and the using function of the endoscope is increased.
The instrument channel 3 is connected with a damping mechanism that increases the rotational friction of the instrument channel 3. In fig. 3, the damping mechanism is preferably a sealing ring 5 arranged between the working channel 2 and the instrument channel 3, and when the working channel 2 and the instrument channel 3 are connected through an outer sleeve 7, the damping mechanism is preferably a sealing ring 5 arranged between the instrument channel 3 and the outer sleeve 7. The optimized sealing ring 5 not only has the function of improving the friction force, but also can increase the sealing effect and prevent the problems of air leakage and liquid leakage. However, the damping mechanism includes, but is not limited to, the seal ring 5, and may be provided as a gasket, a friction plate, or other different mechanisms.
The distal end of the working channel 2 in the preferred embodiment is curved towards the opening of said instrument channel 3 out of the housing 1, and the distal end of the instrument channel 3 is also curved away from the handle housing 1. The radian is arranged at one end, hinged with the instrument channel 3, of the working channel 2, so that the instrument channel 3 can be conveniently connected, and the instrument channel 3 can be conveniently and obliquely arranged in the shell 1. The instrument channel 3 extending outside the housing 1 is curved away from the handle to facilitate gripping and to avoid the cables to which the medical instrument is connected from interfering with the user's operation.
An endoscope comprising an insertion tube 6, said insertion tube 6 being connected to any of the handles described in the preceding description, said insertion tube and the axis of the working channel 2 in the handle being substantially coincident, substantially coincident to within a tolerance. In a conventional endoscope, the instrument channel is fixed, and when a user rotates the endoscope, the instrument channel rotates along with the endoscope, such as when the endoscope is rotated outwards, the instrument channel also rotates outwards, and at the moment, another holding hand for controlling the in and out of the instrument is difficult to operate the instrument. However, in the embodiment, the instrument channel 3 of the endoscope can rotate, and after the shell 1 rotates, the position of the tail end of the instrument channel 3 can be adjusted, so that the endoscope is suitable for being held at different angles and directions, and the endoscope is more convenient to use.
While the preferred embodiments of the present invention have been described in detail, the embodiments described are only some embodiments of the present invention, and not all embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and other embodiments can be obtained without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a handle of rotatory passageway in area which characterized in that: the multifunctional medical instrument comprises a shell (1), wherein a working channel (2) is arranged in the shell (1), the tail end of the working channel (2) is hinged with an instrument channel (3), and the tail end of the instrument channel (3) extends out of the shell (1).
2. The handle with the rotary channel as claimed in claim 1, wherein: the tail end of the working channel (2) is sleeved with the head end of the instrument channel (3), and the instrument channel (3) rotates around the tail end of the working channel (2).
3. The handle with the rotary channel as claimed in claim 2, wherein: the inner wall of the head end of the instrument channel (3) or the tail end of the working channel (2) is provided with a stepped hole, the tail end of the working channel (2) or the head end of the instrument channel (3) is pressed against the end face of the stepped hole during sleeving, and the inner walls of the instrument channel (3) and the working channel (2) are located on the same circumferential surface.
4. The handle with the rotary channel as claimed in claim 2, wherein: the wall thickness of the head end of the instrument channel (3) or the tail end of the working channel (2) is gradually reduced towards the end.
5. The handle with the rotary channel as claimed in claim 1, wherein: the joint of the working channel (2) and the instrument channel (3) is sleeved with an outer sleeve (7), the tail end of the working channel (2) is fixedly connected with the outer sleeve (7), and the head end of the instrument channel (3) is rotatably connected with the outer sleeve (7).
6. The handle with the rotary channel as claimed in claim 1, wherein: the working channel (2) is also provided with a communicated liquid channel (4), and the tail end of the liquid channel (4) extends out of the shell (1).
7. The handle with the rotary channel as claimed in claim 1, wherein: the instrument channel (3) is also provided with a communicated liquid channel (4).
8. The handle with the rotary channel as claimed in claim 1, wherein: the instrument channel (3) is connected with a damping mechanism for increasing the rotating friction force of the instrument channel (3), and the damping mechanism comprises a sealing ring (5) which is sleeved outside the instrument channel (3) and is hinged with the instrument channel.
9. The handle with the rotary channel as claimed in claim 1, wherein: the tail end of the working channel (2) bends towards the direction of the hole site of the instrument channel (3) extending out of the shell (1), and the tail end of the instrument channel (3) bends towards the direction far away from the shell.
10. An endoscope, characterized by: comprising an insertion duct (6) associated with the handle according to any of the preceding claims 1-9, said insertion duct (6) being substantially coincident with the axis of the working channel (2) in the handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020209127.5U CN212438697U (en) | 2020-02-25 | 2020-02-25 | Handle with rotating channel and endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020209127.5U CN212438697U (en) | 2020-02-25 | 2020-02-25 | Handle with rotating channel and endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212438697U true CN212438697U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020209127.5U Active CN212438697U (en) | 2020-02-25 | 2020-02-25 | Handle with rotating channel and endoscope |
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| CN (1) | CN212438697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111345857A (en) * | 2020-02-25 | 2020-06-30 | 珠海普生医疗科技有限公司 | Handle with rotating channel and endoscope |
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2020
- 2020-02-25 CN CN202020209127.5U patent/CN212438697U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111345857A (en) * | 2020-02-25 | 2020-06-30 | 珠海普生医疗科技有限公司 | Handle with rotating channel and endoscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 519085 5th floor, No.33 Keji 3rd road, Tangjiawan Town, high tech Zone, Zhuhai City, Guangdong Province Patentee after: Zhuhai Pusen Medical Technology Co.,Ltd. Country or region after: China Address before: 519085 5th floor, No.33 Keji 3rd road, Tangjiawan Town, high tech Zone, Zhuhai City, Guangdong Province Patentee before: ZHUHAI PUSHENG MEDICAL SCIENCE & TECHNOLOGY Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |