Hysteroscope with simple waterway system

Abstract

The utility model belongs to the technical field of medical equipment, and particularly relates to a hysteroscope with a simple waterway system. The utility model provides a hysteroscope with a simple waterway system, which aims at the current situation that the waterway system in the prior art mostly adopts a more complicated scheme to divide the inside of the hysteroscope into a water inlet pipeline and a water outlet pipeline, and comprises a shell, a water inlet pipeline and a water outlet pipeline, the shell accommodates and limits the water inlet pipeline and the water outlet pipeline; the hysteroscope waterway system further comprises an elastic nesting connecting piece, the elastic nesting connecting piece is matched with the nested double pipes with different pipe diameters to form the water inlet pipeline and the water outlet pipeline which are isolated from each other, the simple design and assembly scheme of the hysteroscope waterway system meeting the requirement for isolation of the water inlet pipeline and the water outlet pipeline is achieved, and the assembly cost and time are saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical equipment, especially relates to a hysteroscope with simple water system. BACKGROUND

[0002] Hysteroscopy is also called uterine endoscope, which is used for the examination and treatment of uterine cavity. During the hysteroscopy operation, water is injected into the uterus through the hysteroscope to make the uterine cavity expand, which is convenient for observation during the operation process. Therefore, a water circulation system including a water inlet pipeline and a water return pipeline needs to be set in the hysteroscope.

[0003] The water system in the prior art mostly needs to set one or more sealing rings to separate the inside of the hysteroscope into several mutually isolated spaces to ensure the normal operation of the water system, or a sealing member is used alone to block the tail end to prevent leakage, which is relatively complex in structure.

[0004] For example, an international patent application discloses a disposable uterine endoscope [application number: PCT / CN2021 / 098756]. The utility model includes handle mechanism and cannula mechanism, the cannula mechanism includes rotating inner tube and support outer tube, one end of rotating inner tube is connected with handle mechanism rotationally, and the other end is connected with camera; the support outer tube is sleeved on the circumference of the rotating inner tube, one end of the support outer tube is fixedly connected with the handle mechanism, and the other end is provided with a bending section, a continuous bending groove is formed in the bending section, and the bending groove is spirally arranged along the circumference of the bending section. The disposable uterine endoscope has more than two stress points on any cross section of the bending section, and the bending section is less likely to break under the support of the stress points, thereby facilitating the reduction of the medical hazards caused by the breakage of the bending section in the uterus.

[0005] Although the utility model makes the bending section difficult to break through the novel bending section structure, the region separation of the water outlet and the water inlet of the tail end is still relatively complex. SUMMARY

[0006] The utility model aims at the above problems and provides a hysteroscope with simple water system, so as to realize simpler isolation of the water outlet region and the water inlet region and more convenient overall installation of the hysteroscope.

[0007] The utility model discloses, including the casing, water inlet pipeline and water outlet pipeline, and water inlet pipeline and water outlet pipeline nest connection, the casing contains and position water inlet pipeline and water outlet pipeline, the utility model discloses still including elastic nest connecting piece, water inlet pipeline, water outlet pipeline outer diameter bigger relative length is shorter, and water inlet pipeline, water outlet pipeline is away from the one end of elastic nest connecting piece and is in the same plane, one end of water inlet pipeline, water outlet pipeline relatively short one side nest seal connection, one side and casing nest seal connection, and water inlet pipeline, water outlet pipeline relatively long one extends into elastic nest connecting piece, water outlet space and water inlet space of mutual isolation are formed to water outlet pipeline, water inlet pipeline respectively with elastic nest connecting piece.

[0008] Preferably, the water inlet pipeline is nested in the water outlet pipeline.

[0009] Preferably, the elastic nest connecting piece is provided with an instrument opening at one end connected with the casing, and the elastic nest connecting piece is sealedly connected with the casing through the outer wall around the instrument opening.

[0010] Preferably, the sealing member is composed of a sealing cap with a sealing strip and a sealing sleeve with a circular sealing hole.

[0011] Preferably, the water outlet space is connected with a water outlet valve group, and the water inlet space is connected with a water inlet valve group, and the water outlet valve group and the water inlet valve group are respectively used to provide water inlet pressure water supply and water outlet drainage.

[0012] Preferably, the casing comprises a handle part, the handle part is provided with a water outlet passage and a water inlet passage, the water outlet space is connected with the water outlet passage and the water outlet valve group, and the water inlet space is connected with the water inlet passage and the water inlet valve group.

[0013] Preferably, the elastic nest connecting piece comprises at least one annular groove, and an O-shaped sealing ring is sleeved on the annular groove, so that the O-shaped sealing ring is sealedly extruded with the casing to increase the connection stability.

[0014] Preferably, the elastic nest connecting piece comprises a water outlet section and a water inlet section, one end of the water outlet pipeline is located in the water outlet section, and the water inlet pipeline completely passes through the water outlet section and is sealedly nested with the elastic nest connecting piece around the end thereof.

[0015] Preferably, at least one circuit cavity and a corresponding connecting through hole are arranged in the casing.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses a simple waterway system hysteroscope, which comprises a casing, a water inlet pipeline and a water outlet pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole schematic diagram of the utility model;

[0019] Figure 2 It is the section schematic diagram of the utility model;

[0020] Figure 3 It is the explosion drawing of the utility model;

[0021] In the drawing: casing 1, water inlet pipeline 2, water outlet pipeline 3, elastic nested connecting piece 4, water outlet space 5, water inlet space 6, instrument opening 7, sealing element 8, sealing cap 81, sealing sleeve 82, water outlet valve group 9, water inlet valve group 10, water outlet passage 11, water inlet passage 12, O-shaped sealing ring 13, circuit chamber 14, connecting through hole 15, annular groove 41, water outlet section 42, water inlet section 43, handle part 1a. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail in connection with the drawings and specific embodiment.

[0023] The utility model discloses a simple waterway system hysteroscope, which comprises a casing, a water inlet pipeline and a water outlet pipeline. Figure 1 And 2 As shown in the drawing, the casing contains and limits the fixing of the water inlet pipeline and the water outlet pipeline, and the utility model further comprises an elastic nested connecting piece; the longer one of the water inlet pipeline and the water outlet pipeline is relatively short in length, and the ends of the water inlet pipeline and the water outlet pipeline away from the elastic nested connecting piece are in the same plane; one end of the relatively short one of the water inlet pipeline and the water outlet pipeline is nested and sealingly connected to the elastic nested connecting piece, and the other end is nested and sealingly connected to the casing; the relatively long one of the water inlet pipeline and the water outlet pipeline extends into the elastic nested connecting piece; and the elastic nested connecting piece is connected to the water inlet pipeline and the water outlet pipeline to form the water outlet space and the water inlet space.

[0024] The utility model discloses, using, elastic nested connecting piece 4 utilizes the feature of the different length of one end of water inlet pipeline 2, water outlet pipeline 3, and the rear end of the longer forms the sealed nested connection, and the short sealed nesting, and the structure of such assembly can form two sealed spaces that isolate each other. Meanwhile, water inlet pipeline 2, water outlet pipeline 3 also form two spaces that isolate each other through the nested mode, so that the water inlet pipeline and the water outlet pipeline that mutually independent isolation can be collocated. Water inlet pipeline 2, water outlet pipeline 3 are equal to the side of uterine cavity. Water is injected to the water inlet space, and the water inlet pipeline formed by water inlet pipeline 2, water outlet pipeline 3 is equal to the plane of water outlet pipeline 2, water outlet pipeline 3, and the water outlet space 5 is discharged after the contaminated water is pressed into the water outlet pipeline formed by water inlet pipeline 2, water outlet pipeline 3.

[0025] As a preferred scheme, because the water pressure of the water inlet pipeline is large, the outer diameter of the water inlet pipeline 2 is less than that of the water outlet pipeline 3, and the water inlet pipeline 2 is nested in the water outlet pipeline 3, that is, the water outlet space 5 is closer to the equal plane of the water inlet pipeline 2 and the water outlet pipeline 3 relative to the water inlet space, and the above-mentioned water inlet pipeline is the space in the water inlet pipeline 2, and the above-mentioned water outlet pipeline is the space formed by the difference between the inner diameters of the water inlet pipeline 2 and the water outlet pipeline 3.

[0026] As a preferred scheme, as shown in Figure 2 、 3 In order to facilitate the deepening of the instrument, the elastic nested connecting piece 4 is connected to one end of the casing 1 and is provided with an instrument opening 7, and the elastic nested connecting piece 4 is connected to the casing 1 through the outer wall around the instrument opening 7 and is sealed, and the instrument opening 7 is sealed by a sealing element 8 to prevent water leakage.

[0027] Preferably, the sealing element is a sealing cap 81 provided with a one-bar or cross-shaped sealing strip and a sealing sleeve 82 provided with a circular sealing hole, so as to increase the sealing effect.

[0028] Preferably, the water outlet space 5 is connected to a water outlet valve group 9, the water outlet valve group 9 is connected to a drainage pipeline for drainage, the water inlet space 6 is connected to a water inlet valve group 10, and the water inlet valve group 10 provides water flow with a certain water pressure.

[0029] Preferably, in order to facilitate holding, the casing 1 comprises a handle part 1a, and in order to be beautiful and save space, the handle part 1a is provided with a water outlet passage 11 and a water inlet passage 12 that are isolated from each other, the water outlet space 5 is connected to the water outlet valve group 9 through the water outlet passage 11, and the water inlet space 6 is connected to the water inlet valve group 10 through the water inlet passage 12.

[0030] Preferably, the elastic nested connecting piece 4 comprises at least one annular groove 41, and an O-shaped sealing ring 13 is sleeved on the annular groove 41, and the O-shaped sealing ring 13 is tightly pressed with the casing 1, so as to facilitate the closer connection between the elastic nested connecting piece 4 and the casing 1.

[0031] Preferably, corresponding to the arrangement of the water inlet pipe 2 and the water outlet pipe 3, the elastic nested connecting piece 4 comprises a water outlet section 42 and a water inlet section 43, one end of the water outlet pipe 3 is partially located in the water outlet section 42, and the water inlet pipe 2 completely passes through the water outlet section 42 and is sealingly nested with the elastic nested connecting piece 4 at the periphery of the end thereof.

[0032] Preferably, at least one circuit chamber 14 and a corresponding connecting through hole 15 are arranged in the casing 1 for connecting corresponding electronic devices.

[0033] The working principle of the embodiment is that the elastic nested connecting piece 4 is sealingly nested with the rear end of the water inlet pipe 2 and the water outlet pipe 3 by taking advantage of the different lengths of the two pipes, thereby forming two mutually isolated sealed spaces, i.e., a water outlet space 5 and a water inlet space 6. Meanwhile, the water inlet pipe 2 and the water outlet pipe 3 also form two mutually isolated spaces by being nested. The water inlet pipe 2 forms a water inlet pipe, and the space formed by the difference in the inner diameters of the water inlet pipe 2 and the water outlet pipe 3 forms a water outlet pipe. A certain pressure water flow is injected into the water inlet passage 12 through the water inlet valve group 10, thereby injecting water into the water inlet space 6, and the water is injected into the uterine cavity after passing through the inner cavity of the water inlet pipe 2. After the uterine cavity is filled with water, the contaminated water is pressed into the water outlet pipe formed by the nesting of the water inlet pipe 2 and the water outlet pipe 3 to the water outlet space 5, and is discharged through the water outlet passage 11 and the water outlet valve group. The sealing member 8 arranged at the tail of the elastic nested connecting piece 4 can be inserted into the instrument in a simple manner.

[0034] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

[0035] Although the terms such as casing 1, water inlet pipe 2, water outlet pipe 3, elastic nested connecting piece 4, water outlet space 5, water inlet space 6, instrument opening 7, sealing member 8, sealing cap 81, sealing sleeve 82, water outlet valve group 9, water inlet valve group 10, water outlet passage 11, water inlet passage 12, O-shaped sealing ring 13, circuit chamber 14, connecting through hole 15, annular groove 41, water outlet section 42, water inlet section 43, handle part 1a, etc. are used more frequently herein, but the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of the present application; any interpretation of them as any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A hysteroscope with a simple waterway system, comprising a casing (1), a water inlet pipe (2) and a water outlet pipe (3), the water inlet pipe (2) and the water outlet pipe (3) being connected in a nested manner, the casing (1) containing and limiting the water inlet pipe (2) and the water outlet pipe (3), characterized in that: It also includes elastic nested connecting piece (4), the outer diameter of water inlet pipe (2), water outlet pipe (3) is relatively short, the water inlet pipe (2), water outlet pipe (3) far from the elastic nested connecting piece (4) one end is in the same plane, the elastic nested connecting piece (4) one side nests and seals the connection of the one end of the relatively short water inlet pipe (2), water outlet pipe (3), one side nests and seals the connection with the shell (1), the relatively long water inlet pipe (2), water outlet pipe (3) extends into the elastic nested connecting piece (4); the elastic nested connecting piece (4) is respectively connected with the water inlet pipe (2), water outlet pipe (3) and forms the water outlet space (5) and the water inlet space (6) isolated from each other.

2. The hysteroscope with a simple waterway system according to claim 1, wherein: The outer diameter of the water inlet pipe (2) is smaller than that of the water outlet pipe (3), and is nested in the water outlet pipe (3).

3. The hysteroscope with a simple waterway system according to claim 1, wherein: The end of the elastic nested connecting piece (4) connected with the shell (1) is provided with an instrument opening (7), and the elastic nested connecting piece (4) is nested and sealed with the shell (1) through the outer wall around the instrument opening (7), and the instrument opening (7) is plugged with a sealing element (8).

4. The hysteroscope with a simple waterway system according to claim 3, wherein: The sealing element is a sealing cap (81) with a one-bar or cross-shaped sealing strip and a sealing sleeve (82) with a circular sealing hole.

5. The hysteroscope with a simple waterway system according to claim 1, wherein: It also includes water outlet valve group (9) and water inlet valve group (10), the water outlet space (5) is connected with the water outlet valve group (9), and the water inlet space (6) is connected with the water inlet valve group (10).

6. The hysteroscope with a simple waterway system according to claim 5, wherein: The shell (1) includes a handle part (1a), and the handle part (1a) is provided with a water outlet passage (11) and a water inlet passage (12) isolated from each other, the water outlet space (5) is connected with the water outlet valve group (9) through the water outlet passage (11), and the water inlet space (6) is connected with the water inlet valve group (10) through the water inlet passage (12).

7. The hysteroscope with a simple waterway system according to claim 1, wherein: The elastic nested connecting piece (4) includes at least one annular groove (41), and an O-shaped sealing ring (13) is sleeved on the annular groove (41), and the O-shaped sealing ring (13) is in sealing extrusion with the shell (1).

8. The hysteroscope with a simple waterway system according to claim 2, wherein: The elastic nested connecting piece (4) includes a water outlet section (42) and a water inlet section (43), one end of the water outlet pipe (3) is located in the water outlet section (42), and the water inlet pipe (2) completely passes through the water outlet section (42) and makes the periphery of the tail end sealingly nested with the elastic nested connecting piece (4).

9. The hysteroscope with a simple waterway system according to claim 1, wherein: There is at least one circuit cavity (14) and a corresponding connecting through hole (15) in the shell (1).

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