CN114271774B - Manufacturing method of uterine cavity lens end channel - Google Patents
Manufacturing method of uterine cavity lens end channel Download PDFInfo
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- CN114271774B CN114271774B CN202210026688.5A CN202210026688A CN114271774B CN 114271774 B CN114271774 B CN 114271774B CN 202210026688 A CN202210026688 A CN 202210026688A CN 114271774 B CN114271774 B CN 114271774B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000011796 hollow space material Substances 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 62
- 238000000034 method Methods 0.000 claims description 26
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
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- 238000004140 cleaning Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
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- 230000003044 adaptive effect Effects 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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- 238000004080 punching Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
The invention discloses a manufacturing method of a uterine cavity lens end channel, which comprises the following steps: s1, preparing a hollow tube with a closed annular cross section as a substrate tube, wherein the inner space of the substrate tube is used as a first channel; s2, preparing a segment of pipe with an arc cross section as an adapting pipe, wherein the segment is provided with two opposite arc edges and two opposite straight edges; s3, fixing two straight sides of the adapting pipe on the outer wall of the base pipe, and forming a hollow space with two open sides between the two arc sides of the adapting pipe and the base pipe, wherein the hollow space is used as a second channel. The manufacturing method of the lens end passage of the uterine cavity provided by the invention has ingenious design and reasonable steps, provides more possibilities for the layout mode of the front section passage of the hysteroscope, and has very remarkable popularization and application significance.
Description
Technical Field
The invention relates to the technical field of hysteroscopes, in particular to a method for manufacturing a lens end channel of a uterine cavity.
Background
Hysteroscopes are fiber light source endoscopes for intrauterine examination and treatment, and the front part of a hysteroscope body is utilized to enter a uterine cavity, so that the hysteroscope has an amplifying effect on an observed part, and an inflow channel, an outflow channel, an instrument channel, an image transmission channel and the like are needed. At present, two design modes of hysteroscopy: firstly, the outer sheath is used for dividing a lumen structure diagram in a metal sleeve mode, the mode has the defects of unreasonable utilization of structural space, structural enlargement caused by superposition of wall thickness, increased external diameter of a hysteroscope and the like, and has the defects of increased number of structural parts, inconvenient operation and larger external diameter; and secondly, an integrated mirror is adopted, but the defect that 'non-coplanar' continuous convection cannot be realized is overcome.
In the prior art, a mode of forming an independent cavity channel by adding a spacer in the middle of a round metal pipe in an internal welding mode is adopted, but the method has the defects of high processing difficulty, high cost, low yield and the like in practice.
Therefore, a new method for manufacturing the lens end passage of the uterine cavity is needed.
Disclosure of Invention
Aiming at the technical problems, the invention provides a manufacturing method of a lens end passage of a uterine cavity, which leads the maximum diameter of an integral insertion part of the front end of a hysteroscope manufactured by the invention to be obviously reduced compared with the prior common technology by providing a novel manufacturing method, and realizes the technical effect of water inlet and outlet on a non-same plane, and the technical scheme adopted by the invention is as follows:
a manufacturing method of a uterine cavity lens end channel comprises the following steps:
Preparing a hollow tube with a closed annular cross section as a base tube, wherein the inner space of the base tube is used as a first channel;
Preparing a segment of pipe sheet with an arc-shaped cross section as an adapting pipe, wherein the segment is provided with two opposite arc-shaped sides and two opposite straight sides;
Two straight sides of the adapting pipe are fixed on the outer wall of the base pipe, a hollow space with two open sides is formed between the two arc sides of the adapting pipe and the base pipe, and the hollow space is used as a second channel.
Preferably, preparing a hollow tube with a closed annular cross section as a substrate tube, wherein in the step of taking the inner space of the substrate tube as a first channel, the prepared substrate tube consists of a semicircular cambered surface and a plane, the cross section of the pipeline is in a D shape, and the joint of the semicircular cambered surface and the plane is provided with two straight edges;
Preparing a segment of pipe sheet with an arc cross section as an adapting pipe, wherein the segment of pipe is provided with two opposite arc sides and two opposite straight sides, and the cross section of the prepared adapting pipe is semicircular;
Two straight edges of the adapting pipe are fixed on the outer wall of the base pipe, a hollow space with openings at two sides is formed between the two arc edges of the adapting pipe and the base pipe, and in the step of taking the hollow space as a second channel, the two straight edges of the base pipe and the two straight edges of the adapting pipe are correspondingly fixed to form a semicircular first channel and a semicircular second channel.
Preferably, a hollow tube with a closed annular cross section is prepared as a base tube, and the cross section of the prepared base tube is circular or elliptical in the step of taking the inner space of the base tube as a first channel;
preparing a segment of pipe with an arc cross section as an adapting pipe, wherein the segment is provided with two opposite arc edges and two opposite straight edges, and the two straight edges of the prepared adapting pipe are mutually close;
two straight edges of the adapting pipe are fixed on the outer wall of the base pipe, a hollow space with openings at two sides is formed between the two arc edges of the adapting pipe and the base pipe, the hollow space is used as a second channel, the prepared two straight edges of the adapting pipe are fixed on the base pipe along the axis of the base pipe, and the base pipe and the adapting pipe are matched to form an 8-shaped structure.
Preferably, a hollow tube with a closed annular cross section is prepared as a base tube, and the cross section of the prepared base tube is circular or elliptical in the step of taking the inner space of the base tube as a first channel;
Preparing a segment of pipe sheet with an arc-shaped cross section as an adapting pipe, wherein the segment is provided with two opposite arc-shaped sides and two opposite straight sides, and the prepared adapting pipe is sleeved on the base pipe;
Two straight edges of the adapting pipe are fixed on the outer wall of the base pipe, a hollow space with openings at two sides is formed between the two arc edges of the adapting pipe and the base pipe, and in the step of taking the hollow space as a second channel, the two straight edges of the prepared adapting pipe are fixed on the base pipe along the axis of the base pipe, and the second channel is crescent.
Preferably, the method for manufacturing the uterine cavity lens end channel further comprises the following steps:
Taking the first channel as a lens channel and a water inlet channel at the same time, and forming the water inlet channel in the residual space in the first channel after arranging the lens module in the first channel;
And taking the second channel as an instrument channel and a water outlet channel at the same time, wherein after the instrument module is arranged in the second channel, the residual space in the second channel forms the water outlet channel.
Preferably, the method for manufacturing the uterine cavity lens end channel further comprises the following steps:
taking the first channel as a lens channel, and arranging a lens module in the lens channel;
taking the second channel as an instrument channel, and arranging an instrument module in the instrument channel;
Two sides of the matrix tube and the adapting tube are matched to form an 8-shaped structure, two side wings are respectively fixed, two independent spaces are formed between the two side wings and the 8-shaped structure, one space is used as a water inlet channel, and the other space is used as a water outlet channel.
Preferably, the method for manufacturing the uterine cavity lens end channel further comprises the following steps:
taking the first channel as a lens channel, and arranging a lens module in the lens channel;
arranging an instrument channel in the second channel, and arranging an instrument module in the instrument channel;
the instrument channel is used as a dividing piece or is additionally and independently arranged, the second channel is divided into two independent spaces, one space is used as a water inlet channel, and the other space is used as a water outlet channel.
Preferably, the water inlet channel is provided with a water inlet at the end face or the side face of the water inlet channel, and the water outlet channel is provided with a water outlet at the end face or the side face of the water outlet channel.
Preferably, the lens module may be an optical lens module or an electrical lens module, and the lens module includes an LED lighting lamp.
Preferably, the adapter tube is fixed to the base tube by welding.
Compared with the prior art, the invention has the following beneficial effects:
1. In the invention, the hollow pipe with the closed annular cross section is prefabricated as the base pipe, and the hollow pipe is fixed on the base pipe through the arc-shaped pipe piece to be used as the adapting pipe, so that a double-channel space is formed, the structure is more compact, the processing difficulty is lower, the yield is improved, and the base pipe and the adapting pipe can be extruded and molded at one time by adopting a plastic die.
2. The invention redesigns the layout of the front end channel of the hysteroscope on the basis of the prepared double-channel tube, generates a more diversified combination mode, can flexibly adjust the sizes of the instrument channel, the lens channel and the water inlet and outlet channel according to actual needs, can adopt asymmetric design if large-diameter instruments are needed, and improves the upper limit of the diameter of the inserted instruments on the premise of not increasing the outer diameter of the maximum inserted part.
3. According to the manufacturing method of the uterine cavity lens end channel, the water inlet channel and the water outlet channel can be provided with the openings on the end face or the side face, the technical effect that water inlet and water outlet are on the non-same plane is achieved on the premise that the lens body is integrally manufactured, the channel punching area is larger, the convection effect is better, the blocking is not easy to occur in operation, and the method is far superior to the prior art.
In conclusion, the manufacturing method of the lens end passage of the uterine cavity provided by the invention has the advantages of ingenious design and reasonable steps, provides more possibilities for the layout mode of the front-section passage of the hysteroscope, and has very remarkable popularization and application significance.
Drawings
The above features, technical features, advantages and implementation of the present invention will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.
FIG. 1 is a schematic diagram of the end face structure of a dual channel pipe in example I of the present invention;
FIG. 2 is a schematic diagram showing the structure of the end face of a two-channel pipe according to a modification of the embodiment I of the present invention;
fig. 3 is a schematic diagram of a layout structure of passages at the lens end of the uterine cavity according to a modification of embodiment i of the present invention;
fig. 4 is an exploded view of a layout structure of passages at the lens end of the uterine cavity according to a modified embodiment of embodiment i of the present invention;
FIG. 5 is a schematic diagram of a dual channel tube made by the method provided in example II of the present invention;
Fig. 6 is a schematic diagram of a layout structure of a lens end passage of a uterine cavity according to embodiment ii of the present invention;
fig. 7 is an exploded view of the layout structure of the lens end passages of the uterine cavity according to embodiment ii of the present invention;
FIG. 8 is a schematic diagram of a dual channel tube made by the method provided in example III of the present invention;
fig. 9 is a schematic diagram of a layout structure of a lens end passage of a uterine cavity according to embodiment iii of the present invention;
fig. 10 is an exploded view of the arrangement of the lens end passages of the uterine cavity according to embodiment iii of the present invention.
Reference numerals illustrate: in the figure: the LED illuminating lamp comprises a base pipe 1, an adapting pipe 2, a lens channel 3, an instrument channel 4, a water inlet channel 5, a water outlet channel 6, a side wing 7, a dividing piece 8, a water inlet 9, a water outlet 10, a water inlet valve 11, a water outlet valve 12 and an LED illuminating lamp 13.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will explain the specific embodiments of the present invention with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For simplicity of the drawing, only the parts relevant to the invention are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 9, the invention provides a method for manufacturing a lens end passage of a uterine cavity, wherein the lens end passage of the uterine cavity needs to comprise a lens passage 3, an instrument passage 4, a water inlet passage 5 and a water outlet passage 6, a lens module is arranged in the lens passage 3 for observing the environment in the uterine cavity, the instrument passage 4 is used for introducing surgical instruments to treat lesions in the uterine cavity, the water inlet passage 5 needs to provide water for cleaning the environment in the uterine cavity and cleaning the lens module, and the water outlet passage 6 is used for discharging waste water after cleaning.
The invention firstly prepares a double-channel tube, and on the basis of the formation of the double-channel tube, the preparation method of the lens end channel of the uterine cavity is provided with different methods, which all comprise the following basic steps:
S1, preparing a hollow tube with a closed annular cross section as a base tube 1, wherein the inner space of the base tube 1 is used as a first channel;
In step S1, the closed ring shape includes, but is not limited to, a circular shape, a square shape, etc., and the base pipe 1 may be manufactured by a one-time pre-molding method.
S2, preparing a segment of pipe with an arc cross section as an adapting pipe 2, wherein the segment is provided with two opposite arc edges and two opposite straight edges;
In step S2, the segment with the arc cross section may be one of two parts cut along a chord line from the complete round tube, or may be a segment prepared by first preparing a rectangular or square segment, and then bending the segment into an arc segment.
S3, fixing two straight sides of the adapting pipe 2 on the outer wall of the base pipe 1, wherein a hollow space with two open sides is formed between the two arc sides of the adapting pipe 2 and the base pipe 1, and the hollow space is used as a second channel.
In step S3, the adapting tube 2 is fixed on the base tube 1 in a plurality of ways, and the lengths of the two arc edges are the same or different, so that the present invention has a plurality of specific structures, in the following examples described in the present invention, the straight edges of the two arc edges of the adapting tube 2 are uniformly fixed on the base tube 1 along the axial direction of the base tube 1, and the lengths of the two arc edges are all set to be the same, so that the opening direction of the hollow space formed between the two arc edges of the adapting tube 2 and the base tube 1 is the same as the opening direction of the base tube 1.
Example 1
Referring to fig. 1 to 4, in this embodiment, a method for manufacturing a lens end passage of a uterine cavity with a specific structure is provided, and the method is further improved in basic steps provided in the present invention, and mainly includes:
In the step S1, the prepared substrate tube 1 is composed of a semicircular cambered surface and a plane, the cross section of the pipeline is in a D shape, and the joint of the semicircular cambered surface and the plane is provided with two straight edges;
s2, the cross section of the prepared adaptive pipe 2 is semicircular;
In step S3, the base pipe 1 and two straight sides of the adapting pipe 2 are correspondingly fixed, so as to form a semicircular first channel and a semicircular second channel.
As a modified embodiment of the present embodiment, the method for manufacturing the lens end passage of the uterine cavity provided in the present embodiment is as follows:
in the step S1, the prepared substrate tube 1 is formed by two cambered surfaces, the cross section of the pipeline is crescent, and the joint of the two cambered surfaces is two straight edges;
s2, the cross section of the prepared adapting pipe 2 is arc-shaped;
in step S3, the base pipe 1 and two straight sides of the adapting pipe 2 are fixed correspondingly, and the base pipe 1 and the adapting pipe 2 integrally form a circular dual-channel pipe having a first channel and a second channel.
After the embodiment and the modified embodiment are implemented, the corresponding manufacturing method of the uterine cavity lens end channel is as follows:
S4, taking the first channel as a lens channel 3 and a water inlet channel 5 at the same time, and forming the water inlet channel 5 in the residual space in the first channel after arranging the lens module in the first channel;
s5, the second channel is used as an instrument channel 4 and a water outlet channel 6 at the same time, and after the instrument module is arranged in the second channel, the residual space in the second channel forms the water outlet channel 6.
Example II
Referring to fig. 5 to 7, in this embodiment, a method for manufacturing a lens end passage of an uterine cavity with another specific structure is provided, and the method is further improved in the basic steps provided in the present invention, and mainly includes:
in step S1, the cross section of the prepared substrate tube 1 is circular or elliptical, and in this embodiment, the cross section is preferably circular;
In step S2, two straight sides of the prepared adapting pipe 2 are close to each other, and since the cross section of the adapting pipe 2 is arc-shaped, the shape of the adapting pipe 2 gradually approaches a circular shape or an elliptical shape in the process of approaching the two straight sides of the adapting pipe 2 to each other;
In step S3, two straight lines of the prepared adapting pipe 2 are fixed on the base pipe 1 along the axis of the base pipe 1, and the base pipe 1 and the adapting pipe 2 are matched to form an 8-shaped structure.
After the embodiment is implemented, the manufacturing method of the corresponding uterine cavity lens end channel comprises the following steps:
S4, taking the first channel as a lens channel 3, and arranging a lens module in the lens channel 3;
s5, taking the second channel as an instrument channel 4, and arranging an instrument module in the instrument channel 4;
S6, two side wings 7 are respectively fixed on two sides of the matrix tube 1 and the adapting tube 2 which are matched to form an 8-shaped structure, two independent spaces are formed between the two side wings 7 and the 8-shaped structure, one space is used as a water inlet channel 5, and the other space is used as a water outlet channel 6.
Example III
Referring to fig. 8 to 10, in this embodiment, a method for manufacturing a lens end passage of an uterine cavity with another specific structure is provided, and the method is further improved in the basic steps provided in the present invention, and mainly includes:
In the step S1, the cross section of the prepared substrate tube 1 is round or elliptical;
s2, sleeving the prepared adapting pipe 2 on the base pipe 1;
In step S3, two straight lines of the prepared adapting pipe 2 are fixed on the base pipe 1 along the axis of the base pipe 1, and the formed second channel is crescent.
After the embodiment is implemented, the manufacturing method of the corresponding uterine cavity lens end channel comprises the following steps:
S4, taking the first channel as a lens channel 3, and arranging a lens module in the lens channel 3;
S5, arranging an instrument channel 4 in the second channel, and arranging an instrument module in the instrument channel 4;
S6, using the instrument channel 4 as a dividing piece 8 or separately arranging the dividing piece 8, dividing the second channel into two separate spaces, wherein one space is used as a water inlet channel 5, and the other space is used as a water outlet channel 6.
The scheme preferably provides the maximum diameter of the second channel through the crescent-shaped design when the maximum diameter of the uterine cavity lens end channel is limited, and further improves the maximum diameter of the insertion-allowed instrument.
In embodiments i to iii of the present invention, the water inlet channel 5 may have a water inlet 9 at an end surface or a side surface of the water inlet channel 5, the water outlet channel 6 may have a water outlet 10 at an end surface or a side surface of the water outlet channel 6, positions of the water inlet 9 and the water outlet 10 may be flexibly adjusted according to different application scenarios, and when openings are formed in the water inlet channel 5 or the side surface of the water outlet channel 6, water inlet and outlet efficiency may be flexibly adjusted according to the number of the openings.
Preferably, a water inlet valve 11 is also arranged on the water inlet channel 5, and a water outlet valve 12 is arranged on the water outlet channel 6, so that the control is convenient.
In embodiments i to iii of the present invention, the lens module may be one of an optical lens module and an electrical lens module, and the lens module includes an LED lighting lamp 13 for lighting purposes, where the LED lighting lamp 13 may be disposed on two sides of the lens or may be disposed in a ring shape along the circumferential direction of the lens.
In examples i to iii of the invention, the fitting tube 2 is fixed to the base tube 1 in a number of embodiments, preferably welded.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (4)
1. The manufacturing method of the uterine cavity lens end channel is characterized by comprising the following steps:
Preparing a hollow tube with a closed annular cross section as a base tube, wherein the inner space of the base tube is used as a first channel;
Preparing a segment of pipe sheet with an arc-shaped cross section as an adapting pipe, wherein the segment is provided with two opposite arc-shaped sides and two opposite straight sides;
fixing two straight sides of the adapting pipe on the outer wall of the base pipe, and forming a hollow space with two open sides between the two arc sides of the adapting pipe and the base pipe, wherein the hollow space is used as a second channel;
Wherein the cross section of the pipeline of the base pipe is circular or elliptical; the cross section of the adapting pipe is arc-shaped; the substrate tube is correspondingly fixed with two straight edges of the adapting tube to form a circular or elliptic first channel and a crescent second channel; taking the first channel as a lens channel, and arranging a lens module in the lens channel; arranging an instrument channel in the second channel, and arranging an instrument module in the instrument channel; the instrument channel is used as a dividing piece or is additionally and independently arranged, the second channel is divided into two independent spaces, one space is used as a water inlet channel, and the other space is used as a water outlet channel.
2. The method for manufacturing the lens end passage of the uterine cavity according to claim 1, wherein the method comprises the following steps: the water inlet channel is provided with a water inlet at the end face or the side face of the water inlet channel, and the water outlet channel is provided with a water outlet at the end face or the side face of the water outlet channel.
3. The method for manufacturing the lens end passage of the uterine cavity according to claim 1, wherein the method comprises the following steps: the lens module can be an optical lens module or an electrical lens module, and the lens module comprises an LED illuminating lamp.
4. The method for manufacturing the lens end passage of the uterine cavity according to claim 1, wherein the method comprises the following steps:
The adapting pipe is fixed on the base pipe by welding.
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| CN202210026688.5A CN114271774B (en) | 2022-01-11 | 2022-01-11 | Manufacturing method of uterine cavity lens end channel |
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| CN202210026688.5A CN114271774B (en) | 2022-01-11 | 2022-01-11 | Manufacturing method of uterine cavity lens end channel |
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| CN114271774B true CN114271774B (en) | 2024-06-07 |
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| CN116869456A (en) * | 2023-08-09 | 2023-10-13 | 上海丽羚健康咨询有限公司 | A hysteroscope dual-channel instrument guidance device |
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| CN104220799A (en) * | 2012-09-19 | 2014-12-17 | 奥林巴斯株式会社 | Connection structure, connection method, and production method for resin member used in the connection structure |
| DE102013104021A1 (en) * | 2013-04-22 | 2014-10-23 | Acandis Gmbh & Co. Kg | Medical catheter, in particular for the endovascular tempering of blood, treatment system and manufacturing method |
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| CN107822580A (en) * | 2017-10-20 | 2018-03-23 | 上海安清医疗器械有限公司 | First end head, endoscope and its manufacture method of a kind of honeycomb structure |
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| CN110522400A (en) * | 2019-07-30 | 2019-12-03 | 北京凡星光电医疗设备股份有限公司 | A kind of monocular electronics rigid pipe endoscope and its manufacturing method |
| CN212574832U (en) * | 2020-09-01 | 2021-02-23 | 宁波市第一医院 | Visual Urinary Tract Aspirator |
| CN112826432A (en) * | 2021-01-07 | 2021-05-25 | 上海宇度医学科技股份有限公司 | Hysteroscope and sheath body structure |
| CN112590153A (en) * | 2021-03-02 | 2021-04-02 | 岱川医疗(深圳)有限责任公司 | Method for manufacturing endoscope insertion tube |
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| CN114271774A (en) | 2022-04-05 |
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