CN219539241U - Three-way pipe structure and endoscope - Google Patents
Three-way pipe structure and endoscope Download PDFInfo
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- CN219539241U CN219539241U CN202223524244.9U CN202223524244U CN219539241U CN 219539241 U CN219539241 U CN 219539241U CN 202223524244 U CN202223524244 U CN 202223524244U CN 219539241 U CN219539241 U CN 219539241U
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- pressure suction
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Abstract
The utility model provides a three-way pipe structure and an endoscope, the three-way pipe structure comprises a main body, an inlet and outlet pipe and a negative pressure suction pipe, wherein the main body is provided with an inlet and outlet pipe, an instrument or perfusate pipe and a negative pressure suction pipe, one end of each of the instrument or perfusate pipe and the negative pressure suction pipe is communicated with the inlet and outlet pipe, the negative pressure suction pipe and the inlet and outlet pipe are in the same straight line, the included angle between the instrument or perfusate pipe and the inlet and outlet pipe is larger than or equal to 150 degrees, and a first mounting hole and a second mounting hole are arranged at the inner side of one end of the negative pressure suction pipe; one end of the inlet and outlet pipeline is arranged in the inlet and outlet channel and is communicated with the inside of the inlet and outlet channel; the end part of the negative pressure suction pipe is inserted into the first mounting hole, or the negative pressure suction pipe is inserted into the second mounting hole; the endoscope includes a three-way tube structure. The utility model is convenient for smoothly leading in the instrument, and can select the negative pressure suction tube with proper specification according to actual needs.
Description
Technical Field
The utility model relates to the field of endoscopes, in particular to a three-way pipe structure and an endoscope.
Background
Endoscopes are commonly used in the medical field, which can be passed orally into the stomach or through other natural tunnels to view lesions in the body that cannot be revealed by X-rays. The endoscope comprises an insertion part inserted into the body and an operation part used for operating the insertion part, the operation part comprises a three-way pipe, the three-way pipe comprises an access channel, an instrument or perfusion fluid channel and a negative pressure suction channel, one end of each of the instrument or perfusion fluid channel and the negative pressure suction channel is communicated with the access channel, a turning part is arranged between the instrument or perfusion fluid channel and the access channel, and the instrument can enter the access channel only through the turning part. The included angle between the existing instrument or perfusion fluid channel and the inlet and outlet channel is smaller, so that the space at the turning position is smaller, and when the instrument is introduced, the situations of unsmooth introduction and easy damage to the turning position of the pipeline, damage to the instrument and the like are easy to occur. In addition, the negative pressure suction channel of the existing three-way pipe can only correspondingly install negative pressure suction pipes of one specification, and if the negative pressure suction pipes of different specifications are required to be replaced, the whole three-way pipe or the whole operation part is required to be replaced, so that inconvenience is brought to users.
Disclosure of Invention
The first object of the present utility model is to provide a three-way tube structure that facilitates smooth introduction of instruments.
A second object of the present utility model is to provide an endoscope comprising the above three-way tube structure.
In order to achieve the first object, the utility model provides a three-way pipe structure, which comprises a main body, an inlet and outlet pipe and a negative pressure suction pipe, wherein the main body is provided with an inlet and outlet pipe, an instrument or perfusate pipe and a negative pressure suction pipe, one end of each of the instrument or perfusate pipe and the negative pressure suction pipe is communicated with the inlet and outlet pipe, the negative pressure suction pipe and the inlet and outlet pipe are in the same straight line, an included angle between the instrument or perfusate pipe and the inlet and outlet pipe is larger than or equal to 150 degrees, a first mounting hole and a second mounting hole are arranged at the inner side of one end of the negative pressure suction pipe, and the diameter of the first mounting hole is larger than that of the second mounting hole; one end of the inlet and outlet pipeline is arranged in the inlet and outlet channel and is communicated with the inside of the inlet and outlet channel, and the other end of the inlet and outlet pipeline protrudes out of the inlet and outlet channel; one end of the negative pressure suction pipe is arranged in the negative pressure suction channel and is communicated with the inside of the negative pressure suction channel, and the end part of the negative pressure suction pipe is inserted in the first mounting hole or the end part of the negative pressure suction pipe is inserted in the second mounting hole.
According to the scheme, the included angle between the instrument or the perfusate channel and the access channel is larger than or equal to 150 degrees, so that the instrument can conveniently pass through the corner between the instrument or the perfusate channel and the access channel smoothly, and the instrument or the channel is prevented from being damaged; through setting up first mounting hole and second mounting hole, the user can select suitable negative pressure suction tube and install in suitable mounting hole according to actual need, ensures that the negative pressure suction tube homoenergetic of two different specifications is firmly connected with the three-way pipe.
Further, the minimum diameter of the instrument or the perfusate channel is larger than the diameter of the access channel, and an inclined plane is arranged at the communication position of the instrument or the perfusate channel and the access channel.
Further, the difference between the smallest diameter of the instrument or perfusate channel and the diameter of the aspiration channel is greater than 1/3 of the aspiration channel diameter.
The further scheme is that the first mounting hole and the second mounting hole are coaxially arranged, the second mounting hole is arranged on one side, close to the middle of the negative pressure suction channel, of the first mounting hole, a first stop part is arranged between the first mounting hole and the second mounting hole, and a second stop part is arranged between the second mounting hole and the negative pressure suction channel.
The further scheme is that the number of the negative pressure suction pipes is two, the diameters of the two negative pressure suction pipes are different, one negative pressure suction pipe is used for being connected with the first mounting hole in a matched mode, and the other negative pressure suction pipe is used for being connected with the second mounting hole in a matched mode.
The device or the perfusion fluid channel is provided with a sealing conical surface at the inner side of one end far away from the access channel, and the diameter of the sealing conical surface is smaller towards the middle part of the device or the perfusion fluid channel.
Further, the apparatus or perfusate channel is provided with a valve connection outside the end far from the access channel.
The further scheme is that the outer side of the main body is provided with an ear seat, and the ear seat is provided with a fixing hole.
In order to achieve the second object, the present utility model provides an endoscope, which includes the three-way tube structure described above.
Drawings
Fig. 1 is an exploded view of a first embodiment of the tee structure of the present utility model.
Fig. 2 is a cross-sectional view of a first embodiment of the tee structure of the present utility model.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is an exploded view of a second embodiment of the tee structure of the present utility model.
Fig. 5 is a cross-sectional view of a second embodiment of the tee structure of the present utility model.
The utility model is further described below with reference to the drawings and examples.
Detailed Description
Tee structure first embodiment:
referring to fig. 1 and 2, the three-way pipe structure provided in this embodiment includes a main body 1, an inlet and outlet pipe 2, and a negative pressure suction pipe 3a. The main body 1 is provided with an access channel 11, an instrument or perfusate channel 12 and a negative pressure suction channel 13, the access channel 11, the instrument or perfusate channel 12 and the negative pressure suction channel 13 are integrally formed, one end of each of the instrument or perfusate channel 12 and the negative pressure suction channel 13 is communicated with the access channel 11, the negative pressure suction channel 13 and the access channel 11 are in the same straight line, and an included angle between the instrument or perfusate channel 12 and the access channel 11 is greater than or equal to 150 degrees, namely, an included angle between the instrument or perfusate channel 12 and the negative pressure suction channel 13 is less than or equal to 30 degrees. The instrument or perfusate channel 12 has a plurality of different diameters, arranged in order from large to small, with the smallest diameter being located near one end of the aspiration channel 11. The smallest diameter of the instrument or perfusion fluid channel 12 is larger than the diameter of the access channel 11, preferably the difference between the smallest diameter of the instrument or perfusion fluid channel 12 and the diameter of the access channel 11 is larger than 1/3 of the diameter of the access channel 11, reserving sufficient space for the passage of instruments. The communication part of the instrument or perfusate channel 12 and the access channel 11 is provided with an inclined surface 121, and the inclined surface 121 inclines towards the direction of the access channel 11 and smoothly transits with the access channel 11, so that the instrument can smoothly transit the turning part between the two, and the damage to the inner wall of the channel and the instrument is prevented.
The instrument or perfusate channel 12 is provided with a sealing conical surface 122 at the inner side of one end far away from the access channel 11, and the diameter of the sealing conical surface 122 is smaller towards the middle part of the instrument or perfusate channel 12. The instrument or perfusate channel 12 is provided with a connection 123 outside the end remote from the access channel 11 for connection with an instrument tube.
The inside first mounting hole 131 and the second mounting hole 132 that is provided with of one end of negative pressure suction channel 13, the diameter of first mounting hole 131 is greater than the diameter of second mounting hole 132, first mounting hole 131 with the coaxial setting of second mounting hole 132, second mounting hole 132 sets up first mounting hole 131 is close to one side in the middle part of negative pressure suction channel 13. An annular first stop part 133 is arranged between the first mounting hole 131 and the second mounting hole 132; the diameter of the second mounting hole 132 is larger than that of the negative pressure suction channel 13, and an annular second stop portion 134 is arranged between the second mounting hole 132 and the negative pressure suction channel 13.
One end of the negative pressure suction tube 3a is inserted into the negative pressure suction channel 13 and is communicated with the inside of the negative pressure suction channel, and the other end of the negative pressure suction tube 3a protrudes out of the negative pressure suction channel 13. In this embodiment, the negative pressure suction tube 3a has a larger outer diameter, the end of the negative pressure suction tube 3a is inserted into the first mounting hole 131, the negative pressure suction tube 3a is in interference fit with the first mounting hole 131, and the end of the negative pressure suction tube 3a abuts against the first stop portion 133.
One end of the inlet and outlet pipe 2 is arranged in the inlet and outlet channel 11 and is communicated with the inside of the inlet and outlet channel, and the other end of the inlet and outlet pipe 2 protrudes out of the inlet and outlet channel 11.
The outside of main part 1 is provided with ear seat 14, and ear seat 14 and apparatus or perfusate passageway 12 set up respectively in the left and right sides of main part 1, ear seat 14 has seted up fixed orifices 141, conveniently fixes whole three-way pipe.
Tee structure second embodiment:
referring to fig. 4 and 5, on the basis of the structure and the above-mentioned embodiment, the negative pressure suction tube 3b of the present embodiment has a smaller outer diameter, the negative pressure suction tube 3b is inserted into the second mounting hole 132, the negative pressure suction tube 3b is in interference fit with the second mounting hole 132, and the end of the negative pressure suction tube 3b abuts against the second stop portion 134.
Endoscopic embodiment:
the endoscope provided by the embodiment comprises the three-way pipe structure of any embodiment, wherein the three-way pipe structure is arranged on the handle of the endoscope and is used for introducing instruments or perfusion liquid into a body and also used for sucking the liquid or gas in the body to the outside under negative pressure.
In summary, the included angle between the instrument or the perfusate channel and the access channel is larger than or equal to 150 degrees, so that the instrument can conveniently pass through the corner between the instrument or the perfusate channel and the access channel smoothly, and the instrument or the channel is prevented from being damaged; through setting up first mounting hole and second mounting hole, the user can select suitable negative pressure suction tube and install in suitable mounting hole according to actual need, ensures that the negative pressure suction tube homoenergetic of two different specifications is firmly connected with the three-way pipe.
Finally, it should be emphasized that the foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the utility model, but rather that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the utility model, and any modifications, equivalent substitutions, improvements, etc. are intended to be included within the scope of the present utility model.
Claims (9)
1. Tee pipe structure, its characterized in that includes:
the main body is provided with an access channel, an instrument or perfusate channel and a negative pressure suction channel, one end of each of the instrument or perfusate channel and the negative pressure suction channel is communicated with the access channel, the negative pressure suction channel and the access channel are positioned on the same straight line, the included angle between the instrument or the perfusate channel and the inlet and outlet channel is larger than or equal to 150 degrees, a first mounting hole and a second mounting hole are formed in the inner side of one end of the negative pressure suction channel, and the diameter of the first mounting hole is larger than that of the second mounting hole;
the inlet and outlet pipe is arranged in the inlet and outlet channel at one end and communicated with the inside of the inlet and outlet channel, and the other end of the inlet and outlet pipe protrudes out of the inlet and outlet channel;
the negative pressure suction pipe, one end of negative pressure suction pipe sets up in the negative pressure suction passageway and communicates with its inside, the tip cartridge of negative pressure suction pipe is in the first mounting hole, perhaps, the tip cartridge of negative pressure suction pipe is in the second mounting hole.
2. The tee structure of claim 1, wherein:
the minimum diameter of the instrument or the perfusate channel is larger than the diameter of the access channel, and an inclined plane is arranged at the communication position of the instrument or the perfusate channel and the access channel.
3. The tee structure of claim 2, wherein:
the difference between the smallest diameter of the instrument or perfusate channel and the diameter of the aspiration channel is greater than 1/3 of the aspiration channel diameter.
4. The tee structure of claim 1, wherein:
the first mounting hole and the second mounting hole are coaxially arranged, the second mounting hole is arranged on one side, close to the middle of the negative pressure suction channel, of the first mounting hole, a first stop part is arranged between the first mounting hole and the second mounting hole, and a second stop part is arranged between the second mounting hole and the negative pressure suction channel.
5. The tee structure of claim 4, wherein:
the number of the negative pressure suction pipes is two, the diameters of the two negative pressure suction pipes are different, one negative pressure suction pipe is used for being connected with the first mounting hole in a matched mode, and the other negative pressure suction pipe is used for being connected with the second mounting hole in a matched mode.
6. The tee structure of claim 1, wherein:
the inner side of one end of the instrument or the perfusion fluid channel far away from the access channel is provided with a sealing conical surface, and the diameter of the sealing conical surface is smaller towards the middle part of the instrument or the perfusion fluid channel.
7. The tee structure of claim 6, wherein:
the instrument or perfusate channel is provided with a valve connection outside the end remote from the access channel.
8. The tee structure of claim 1, wherein:
the outside of main part is provided with the ear seat, the fixed orifices has been seted up to the ear seat.
9. An endoscope, characterized in that: comprising a tee structure as claimed in any one of the preceding claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223524244.9U CN219539241U (en) | 2022-12-26 | 2022-12-26 | Three-way pipe structure and endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223524244.9U CN219539241U (en) | 2022-12-26 | 2022-12-26 | Three-way pipe structure and endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219539241U true CN219539241U (en) | 2023-08-18 |
Family
ID=87733872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223524244.9U Active CN219539241U (en) | 2022-12-26 | 2022-12-26 | Three-way pipe structure and endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219539241U (en) |
-
2022
- 2022-12-26 CN CN202223524244.9U patent/CN219539241U/en active Active
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