CN215534241U - Guide tube sheath of medical endoscope - Google Patents
Guide tube sheath of medical endoscope Download PDFInfo
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- CN215534241U CN215534241U CN202121695645.3U CN202121695645U CN215534241U CN 215534241 U CN215534241 U CN 215534241U CN 202121695645 U CN202121695645 U CN 202121695645U CN 215534241 U CN215534241 U CN 215534241U
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Abstract
The utility model discloses a guide tube sheath of a medical endoscope, which comprises an accommodating tube, wherein the tail end of the accommodating tube is fixedly connected with a connecting piece of an endoscope body; the accommodating tube comprises an accommodating tube body, a partition plate extending along the axial direction is formed inside the accommodating tube body, and the partition plate divides an inner cavity of the accommodating tube into a lens accommodating channel and a monitoring channel which are independent of each other; the front ends of the lens body accommodating channel and the monitoring channel are opened. The monitoring channel of the utility model is communicated with the inner cavity of the human body and the endoscope body accommodating channel which is also used as a water channel, and the water pressure in the monitoring channel is the same as the pressure of the inner cavity of the human body, so that the pressure sensor connected with the monitoring tube of the endoscope body connecting piece can monitor the pressure of the inner cavity of the human body in real time by collecting the water pressure in the monitoring channel, thereby providing data support for the smooth operation.
Description
Technical Field
The utility model relates to a medical instrument, in particular to a guide tube sheath of a medical endoscope.
Background
The urology scope is an instrument for examining and treating urinary system cavities such as bladder, ureter, kidney, urethra and the like by using an endoscope.
The existing urology mirror has the disadvantages of complex structure, large occupied space, thick diameter, easy secondary damage to patients during use, great discomfort for patients, high manufacturing cost and great economic pressure for patients.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a guide tube sheath of a medical endoscope, which can obviously reduce the manufacturing cost of a urology endoscope.
In order to solve the technical problems, the technical solution of the guide tube sheath of the medical endoscope of the utility model is as follows:
comprises an accommodating tube 1, the tail end of the accommodating tube 1 is fixedly connected with a lens body connecting piece 2; the accommodating tube 1 comprises an accommodating tube body 1-1, a partition plate 1-2 extending along the axial direction is formed inside the accommodating tube body 1-1, and the partition plate 1-2 divides the inner cavity of the accommodating tube 1 into a lens accommodating channel H1 and a monitoring channel H2 which are independent from each other; the front ends of the mirror body accommodating channel H1 and the monitoring channel H2 are open.
In another embodiment, the section of the scope housing passage H1 is larger than the section of the scope insertion portion 3 of the medical endoscope.
In another embodiment, a cavity is formed between the inner wall of the scope housing channel H1 and the scope insertion portion 3 of the medical endoscope.
In another embodiment, the inner wall of the scope housing channel H1 and one side of the scope insertion part 3 of the medical endoscope form a cavity.
In another embodiment, the cross-section of the scope-receiving channel H1 is larger than the cross-section of the monitoring channel H2.
In another embodiment, the endoscope connecting piece 2 comprises an endoscope inserting tube 2-1, a transition tube 2-2, a monitoring tube 2-3 and a water outlet tube 2-4, wherein the axes of the endoscope inserting tube 2-1 and the transition tube 2-2 are on the same straight line; the inner holes of the endoscope body insertion tube 2-1 and the transition tube 2-2 form an endoscope body insertion channel 2-11; the inner hole of the monitoring pipe 2-3 forms a monitoring channel 2-31; the inner hole of the water outlet pipe 2-4 forms a water outlet channel 2-41; the endoscope body accommodating passage H1 of the accommodating tube 1 is communicated with the endoscope body inserting passage 2-11 and the water outlet passage 2-41 of the endoscope body connecting piece 2; the monitoring channel H2 of the accommodating tube 1 is communicated with the monitoring channels 2-31 of the endoscope connecting piece 2.
In another embodiment, the entrance of the scope insertion channel 2-11 is formed with a tapered locking hole 2-12.
In another embodiment, the ends of the scope insertion tube 2-1, the monitoring tube 2-3 and the water outlet tube 2-4 are respectively formed with luer fittings.
In another embodiment, flow valves 2-5 are respectively arranged on the monitoring pipes 2-3 and the water outlet pipes 2-4.
In another embodiment, the outer wall of the receiving tube 1 is provided with a coating. The coating can ensure that the guide tube sheath is smoother in the process of being inserted into the human body cavity.
The utility model can achieve the technical effects that:
the monitoring channel of the utility model is communicated with the inner cavity of the human body and the endoscope body accommodating channel which is also used as a water channel, and the water pressure in the monitoring channel is the same as the pressure of the inner cavity of the human body, so that the pressure sensor connected with the monitoring tube of the endoscope body connecting piece can monitor the pressure of the inner cavity of the human body in real time by collecting the water pressure in the monitoring channel, thereby providing data support for the smooth operation.
The endoscope body can be fixedly connected with the guide tube sheath through the conical locking joint, the guide tube sheath cannot slip off due to the movement of the endoscope body when the instrument is used, the stability of the endoscope body can be ensured, and the endoscope body is prevented from shaking in the guide tube sheath, so that pictures collected by the endoscope body are clear and stable.
The negative-pressure suction device can realize water circulation in the use process, so that turbid liquid and blood clots in an operation visual field are sucked out through negative pressure, the effect of clearing the operation visual field can be effectively achieved, and the medical care personnel can conveniently perform subsequent operation. The utility model can wash and extract simultaneously, and can ensure that the internal organ pressure of the patient is in a normal state in the operation.
Drawings
It is to be understood by those skilled in the art that the following description is only exemplary of the principles of the present invention, which may be applied in numerous ways to achieve many different alternative embodiments. These descriptions are made for the purpose of illustrating the general principles of the present teachings and are not meant to limit the inventive concepts disclosed herein.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and, together with the general description given above and the detailed description of the drawings given below, serve to explain the principles of the utility model.
The utility model is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic view of a guide sheath of a medical endoscope of the present invention;
FIG. 2 is a schematic elevational view of the introducer sheath of the present invention;
FIG. 3 is a schematic cross-sectional view of an introducer sheath of the utility model;
FIG. 4 is a schematic sectional view taken along line B-B in FIG. 2;
FIG. 5 is a schematic view of the scope body of the medical endoscope of the present invention;
FIG. 6 is a schematic front view of the mirror body of the present invention;
FIG. 7 is a schematic cross-sectional view of the mirror body of the present invention;
FIG. 8 is a schematic sectional view taken along line A-A in FIG. 6;
fig. 9 is a schematic view of a medical endoscope of the present invention.
The reference numbers in the figures illustrate:
1 is a holding tube, 2 is a lens body connecting piece,
1-1 is a containing pipe body, 1-2 is a clapboard,
2-1 is a lens body inserting tube, 2-2 is a transition tube,
2-3 is a monitoring pipe, 2-4 is a water outlet pipe,
2-5 are adjustable flow valves,
2-11 are inserted channels of the lens body, 2-12 are tapered locking holes,
2-31 are monitoring channels, 2-41 are water outlet channels of the lens body connecting piece,
h1 is a lens accommodating channel, H2 is a monitoring channel,
3 is an inserting part, 4 is a handle,
3-1 and 3-2 are straight sides, 3-3 is a water inlet channel of the insertion part,
4-1 is a handle main body, 4-2 is a holding part,
4-3 is a water inlet pipe connecting piece, 4-4 is an appliance connecting piece,
4-5 is a spanner part, 4-6 is a connecting joint,
4-7 are flow regulating valves, 4-8 are regulating valves,
4-11 is a water inlet channel of the handle main body, 4-12 is a conical locking joint,
4-31 is a water inlet channel of the water pipe connecting piece, 4-32 is a sealing gasket,
4-41 are instrument channels, 4-42 are tapered locking holes,
4-51 are spare water inlet channels, and 4-52 are tapered locking holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used herein, the terms "first," "second," and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" and similar words are intended to mean that the elements or items listed before the word cover the elements or items listed after the word and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The utility model relates to a medical endoscope, which comprises a guide tube sheath and an endoscope body, wherein the endoscope body can extend into the guide tube sheath;
as shown in fig. 1, the guiding sheath comprises a containing tube 1, and the tail end of the containing tube 1 is fixedly connected with a connecting piece 2 of the endoscope body;
as shown in fig. 2 and 3, the endoscope connecting piece 2 comprises an endoscope inserting tube 2-1, a transition tube 2-2, a monitoring tube 2-3 and a water outlet tube 2-4, wherein the axes of the endoscope inserting tube 2-1 and the transition tube 2-2 are in the same straight line, so that the endoscope can pass through the endoscope connecting piece 2;
the inner holes of the endoscope body insertion tube 2-1 and the transition tube 2-2 form an endoscope body insertion channel 2-11, and a conical locking hole 2-12 is formed at the inlet of the endoscope body insertion channel 2-11 and is used for fixedly connecting the endoscope body; the inner hole of the monitoring pipe 2-3 forms a monitoring channel 2-31, and the inner hole of the water outlet pipe 2-4 forms a water outlet channel 2-41; the monitoring pipe 2-3 is used for connecting a pressure sensor;
luer connectors are respectively formed at the end parts of the endoscope body insertion tube 2-1, the monitoring tube 2-3 and the water outlet tube 2-4;
the monitoring pipe 2-3 and the water outlet pipe 2-4 are respectively provided with an adjustable flow valve 2-5;
as shown in fig. 4, the accommodating tube 1 comprises an accommodating tube body 1-1, a partition plate 1-2 extending along the axial direction is formed inside the accommodating tube body 1-1, and the partition plate 1-2 divides the inner cavity of the accommodating tube 1 into a scope accommodating passage H1 and a monitoring passage H2 which are independent from each other; the partition board 1-2 is deviated from the center of the accommodating tube body 1-1, so that the section of the mirror body accommodating passage H1 is larger than that of the monitoring passage H2;
the endoscope body accommodating passage H1 of the accommodating tube 1 is communicated with the endoscope body inserting passage 2-11 and the water outlet passage 2-41 of the endoscope body connecting piece 2, so that the endoscope body can extend into the accommodating tube 1 through the endoscope body connecting piece 2; the monitoring channel H2 of the accommodating tube 1 is communicated with the monitoring channels 2-31 of the endoscope connecting piece 2;
the front ends of the scope accommodating passage H1 and the monitoring passage H2 are open.
As shown in fig. 5, the endoscope body comprises an insertion part 3, and the tail end of the insertion part 3 is fixedly connected with a handle 4;
as shown in fig. 6 and 7, the handle 4 comprises a handle body 4-1, the tail end of the handle body 4-1 is connected with a water inlet pipe connector 4-3 for connecting a water injection pipe, the rear part of the handle body 4-1 forms a holding part 4-2, the upper part of the handle body 4-1 forms an instrument connector 4-4, and the lower part of the handle body 4-1 forms a wrench part 4-5; the front end of the handle main body 4-1 is fixedly provided with a connecting joint 4-6 with external threads;
a water inlet channel 4-11 extending along the length direction of the handle main body 4-1 is formed in the handle main body 4-1, and the water inlet channel 4-11 is communicated with a water inlet channel 4-31 of a water inlet pipe connecting piece 4-3;
a sealing gasket 4-32 with a groove is arranged between the water inlet pipe connecting piece 4-3 and the tail end of the handle main body 4-1; when the water inlet control valve is opened, the water pressure of the water injection pipe can flush the scratch groove of the sealing gasket 4-32 and flow into the water inlet channel 4-11 of the handle main body 4-1 through the water inlet channel 4-31 of the water inlet pipe connecting piece 4-3; the water inlet control valve is closed and the scoring of the sealing gaskets 4-32 is closed.
The water inlet channel 4-11 of the handle main body 4-1 is communicated with the inner hole 3-3 of the insertion part 3;
an instrument channel 4-41 is formed in the instrument connecting piece 4-4, and a tapered locking hole 4-42 is formed at the inlet of the instrument channel 4-41 and is used for fixedly connecting an operating instrument; the appliance connecting piece 4-4 is provided with an adjusting valve 4-8; the instrument channel 4-41 is communicated with the water inlet channel of the insertion part 3 through the water inlet channel 4-11 of the handle main body 4-1;
as a preferred embodiment, a spare water inlet channel 4-51 is formed in the wrench part 4-5, and a tapered locking hole 4-52 is formed at the inlet of the spare water inlet channel 4-51; the wrench part 4-5 is provided with a flow regulating valve 4-7; the standby water inlet channel 4-51 is communicated with the water inlet channel of the insertion part 3 through the water inlet channel 4-11 of the handle main body 4-1;
a taper locking joint 4-12 is formed at the front end of the handle 4, and the tail end of the insertion part 3 is fixedly connected with the taper locking joint 4-12 of the handle 4; the conical locking joint 4-12 is matched with the conical locking hole 2-12 of the guide tube sheath;
as shown in fig. 8, the insertion portion 3 is circular with two side surfaces forming straight edges 3-1 and 3-2, an inner hole 3-3 extending along the axial direction is formed in the insertion portion 3, and the inner hole 3-3 of the insertion portion 3 is used as a water inlet channel of the insertion portion 3;
the first straight edge 3-1 of the insertion part 3 is matched with the straight edge of the lens accommodating channel H1, and the second straight edge 3-2 and the arc edge of the lens accommodating channel H1 form a cavity which is used as a water outlet channel of the accommodating tube 1.
The working principle of the utility model is as follows;
as shown in fig. 9, the insertion section 3 of the scope is inserted from the scope connector 2 of the introducer sheath, and the insertion section 3 extends into the scope housing passage H1 through the scope insertion passage 2-11 until the front end of the insertion section 3 is close to or flush with the front end of the scope housing passage H1; at the moment, the conical locking joint 4-12 at the tail end of the insertion part 3 is matched and connected with the conical locking hole 2-12 of the guide tube sheath, so that the relative fixation of the endoscope body and the guide tube sheath is realized;
in the process of examination or treatment, in order to avoid blurred vision, a water inlet control valve is opened, water flows into an inner hole 3-3 of the insertion part 3 from a water inlet channel 4-31 of a water pipe connecting piece 4-3 of the handle 4 through a water inlet channel 4-11 of the handle main body 4-1 through a water inlet pipe, and finally flows into a human body inner cavity for washing;
the sewage after washing flows back to the water outlet channel positioned at one side of the inserting part 3 from the opening at the front end of the endoscope accommodating channel H1, the sewage flows out along the water outlet channel and is discharged from the water outlet channels 2-41 of the endoscope connecting piece 2, and water circulation is realized;
meanwhile, the sewage after flushing flows back to the monitoring channel H2 from the front end opening of the monitoring channel H2 and is discharged from the monitoring channels 2-31 of the endoscope connecting piece 2, so that water circulation is realized.
The utility model can be used as a urological mirror, and can also be inserted into other natural cavities of the human body for examination and treatment.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the utility model. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1. A guide tube sheath of a medical endoscope is characterized by comprising an accommodating tube (1), wherein the tail end of the accommodating tube (1) is fixedly connected with a connecting piece (2) of an endoscope body; the accommodating tube (1) comprises an accommodating tube body (1-1), a partition plate (1-2) extending along the axial direction is formed inside the accommodating tube body (1-1), and the partition plate (1-2) divides the inner cavity of the accommodating tube (1) into a lens accommodating channel (H1) and a monitoring channel (H2) which are independent of each other; the front ends of the lens accommodating channel (H1) and the monitoring channel (H2) are opened.
2. The introducer sheath for a medical endoscope according to claim 1, characterized in that the section of the scope housing passage (H1) is larger than the section of the scope insertion portion (3) of the medical endoscope.
3. The introducer sheath for a medical endoscope according to claim 1, characterized in that a cavity is formed between the inner wall of the scope housing channel (H1) and the scope insertion portion (3) of the medical endoscope.
4. The introducer sheath for a medical endoscope according to claim 1, characterized in that an inner wall of the scope housing passage (H1) forms a cavity with a side of the scope insertion portion (3) of the medical endoscope.
5. The introducer sheath for a medical endoscope according to any one of claims 1 to 4, characterized in that the section of the scope housing channel (H1) is larger than that of the monitor channel (H2).
6. The guiding sheath of medical endoscope according to claim 5, characterized in that the endoscope connecting piece (2) comprises an endoscope inserting tube (2-1), a transition tube (2-2), a monitoring tube (2-3), a water outlet tube (2-4), the axes of the endoscope inserting tube (2-1) and the transition tube (2-2) are on the same straight line; the inner holes of the endoscope body insertion tube (2-1) and the transition tube (2-2) form an endoscope body insertion channel (2-11); the inner hole of the monitoring pipe (2-3) forms a monitoring channel (2-31); the inner hole of the water outlet pipe (2-4) forms a water outlet channel (2-41); the endoscope body accommodating passage (H1) of the accommodating tube (1) is communicated with the endoscope body inserting passage (2-11) and the water outlet passage (2-41) of the endoscope body connecting piece (2); the monitoring channel (H2) of the accommodating tube (1) is communicated with the monitoring channels (2-31) of the endoscope body connecting piece (2).
7. The introducer sheath for a medical endoscope according to claim 6, characterized in that the entrance of the scope insertion passage (2-11) is formed with a tapered locking hole (2-12).
8. The introducer sheath for a medical endoscope according to claim 6, characterized in that luer fittings are formed at the ends of the scope insertion tube (2-1), the monitor tube (2-3) and the water outlet tube (2-4), respectively.
9. The introducer sheath for a medical endoscope, according to claim 6, characterized in that the monitoring tube (2-3) and the outlet tube (2-4) are respectively provided with a flow valve (2-5).
10. The introducer sheath for a medical endoscope, according to claim 1, characterized in that the outer wall of the housing tube (1) is provided with a coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121695645.3U CN215534241U (en) | 2021-07-23 | 2021-07-23 | Guide tube sheath of medical endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121695645.3U CN215534241U (en) | 2021-07-23 | 2021-07-23 | Guide tube sheath of medical endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215534241U true CN215534241U (en) | 2022-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121695645.3U Active CN215534241U (en) | 2021-07-23 | 2021-07-23 | Guide tube sheath of medical endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215534241U (en) |
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2021
- 2021-07-23 CN CN202121695645.3U patent/CN215534241U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230414 Address after: Building 5, Junding Science and Technology Park, No. 81 Bishui Street, Shanyincun Town, Luquan District, Shijiazhuang City, Hebei Province, 050221 Patentee after: Hebei Yanfu Technology Co.,Ltd. Address before: 135099 group 2, Third Committee, Jiefang street, Meihekou City, Tonghua City, Jilin Province Patentee before: Liu Ning |