Filtering type hysteroscope

Abstract

The utility model relates to a filtering type hysteroscope which comprises a hysteroscope body, a liquid outlet assembly and a liquid inlet assembly are arranged in the hysteroscope body, the liquid outlet assembly is provided with a liquid outlet pipeline, a filtering device is arranged in the liquid outlet pipeline and comprises a device body, an inlet is formed in the upper end of the device body, and an outlet is formed in the lower end of the device body. A liquid inlet cavity is formed in the upper end of the interior of the device body and communicated with the inlet, a filtering cavity is formed in the position, located at the lower end of the liquid inlet cavity, of the interior of the device body and communicated with the outlet, a filtering mechanism is arranged at the upper end of the filtering cavity and comprises a filtering plate, a plurality of filtering holes are distributed in the filtering plate, and the filtering plate extends upwards to form a liquid guiding column. A flow guide channel penetrates through the liquid guide column. Therefore, the independent filtering device is arranged, large-particle chippings can be stored, and blockage of the liquid outlet pipeline is avoided.

Description

Technical Field

[0001] The utility model relates to a hysteroscope, in particular to a filtering hysteroscope. Background Art

[0002] According to existing technology, a hysteroscope is an instrument used for intrauterine examination and treatment. When used, the hysteroscope's lens can magnify and observe the area inside the uterine cavity. Surgical instruments can be used to perform surgical operations on the uterine cavity through the hysteroscope.

[0003] During intrauterine surgery, fluid is used to maintain a certain pressure within the uterus. Furthermore, to maintain a clear field of view, fluid circulation is necessary, allowing clear fluid to enter and turbid fluid (surgical tissue debris) to exit. To maintain intrauterine pressure during the procedure, the inflow flow must be greater than the outflow flow. To achieve this, appropriate flow restrictions must be implemented at the outlet.

[0004] However, existing flow-restricting structures can narrow the internal fluid passages, which can easily clog the outlet channels with tissue debris, resulting in poor fluid circulation and turbidity in the uterine fluid, affecting efficacy. Furthermore, residual debris or blood from the tissue removal process can also clog the fluid passages, compromising the uterine opening effect.

[0005] In view of the above-mentioned defects, the present designer has actively carried out research and innovation in order to create a filtering hysteroscope to make it more valuable for industrial use. Utility Model Content

[0006] In order to solve the above technical problems, the purpose of the present utility model is to provide a filtering hysteroscope.

[0007] The utility model discloses a filtering hysteroscope, comprising a hysteroscope body, wherein a liquid outlet component and a liquid inlet component are arranged in the hysteroscope body, wherein: the liquid outlet component is configured with a liquid outlet pipeline, a filtering device is arranged in the liquid outlet pipeline, the filtering device comprises a device body, an upper end of the device body is provided with an inlet, a lower end of the device body is provided with an outlet, an upper end of the interior of the device body is provided with a liquid inlet cavity, the liquid inlet cavity is communicated with the inlet, a filtering cavity is provided at the lower end of the interior of the device body at the liquid inlet cavity, the filtering cavity is communicated with the outlet, a filtering mechanism is arranged at the upper end of the filtering cavity, the filtering mechanism comprises a filter plate, a plurality of filtering holes are distributed on the filter plate, a liquid guide column is extended upward from the filter plate, and a guide channel is provided through the liquid guide column.

[0008] Furthermore, in the above-mentioned filtering hysteroscope, the inlet and the outlet are both equipped with long strip-shaped guiding mechanisms.

[0009] Furthermore, in the above-mentioned filtering hysteroscope, the outer side surface of the guiding mechanism is provided with a thread; or the outer side surface of the guiding mechanism is provided with an expansion ring.

[0010] Furthermore, in the above-mentioned filtering hysteroscope, the diameter of the inlet is larger than the diameter of the outlet.

[0011] Furthermore, in the above-mentioned filtering hysteroscope, the diameter of the inlet is larger than the diameter of the filtering hole.

[0012] Furthermore, in the above-mentioned filtering hysteroscope, the diameter of the outlet is larger than the diameter of the filtering hole.

[0013] Furthermore, in the above-mentioned filtering hysteroscope, the diameter of the diversion channel is the same as the diameter of the outlet.

[0014] Furthermore, in the above-mentioned filtering hysteroscope, the filtering holes are arranged in a ring array.

[0015] Furthermore, in the above-mentioned filtering hysteroscope, the device body is a columnar structure, and the upper and lower edges of the columnar structure are provided with arc chamfers.

[0016] Furthermore, in the above-mentioned filtering hysteroscope, the filter plate is an upwardly raised arc structure, and the liquid guide column is located at the center of the filter plate; a sedimentation tank is provided at the junction of the outer edge of the filter plate and the inner wall of the device body.

[0017] By means of the above solution, the present invention has at least the following advantages:

[0018] 1. It is equipped with an independent filtering device to collect large particles of debris to avoid congestion in the liquid outlet pipeline.

[0019] 2. It has a reasonable conduction diameter planning to properly limit the flow of liquid. When debris appears, it will not cause blockage due to the concentrated accumulation of debris due to excessive flow.

[0020] 3. It can transform the existing hysteroscope with uterine expansion effect and has good versatility.

[0021] 4. The overall structure of the filter device is simple and easy to manufacture and use.

[0022] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1It is a schematic diagram of the structure of a filtering hysteroscope.

[0024] Figure 2 It is a schematic diagram of the external structure of the filtering device.

[0025] Figure 3 It is a schematic diagram of the internal structure of the filtering device.

[0026] Figure 4 This is a schematic diagram of the distribution of filter holes.

[0027] The meanings of the reference numerals in the figures are as follows.

[0028] 1 Hysteroscope body 2 Liquid outlet tube

[0029] 3 Filter device 4 Inlet

[0030] 5 outlet 6 into the liquid chamber

[0031] 7 Filter chamber 8 Filter plate

[0032] 9 Filter hole 10 Liquid guide column

[0033] 11 diversion channel 12 guide mechanism

[0034] 13 Sedimentation Tanks DETAILED DESCRIPTION

[0035] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0036] like Figures 1 to 4The filtering hysteroscope includes a hysteroscope body 1, in which a liquid outlet component and a liquid inlet component are provided. The difference lies in that the liquid outlet component is configured with a liquid outlet pipeline 2, and a filtering device 3 is provided in the liquid outlet pipeline 2. Specifically, the filtering device 3 used in the present invention includes a device body, an inlet 4 is provided at the upper end of the device body, and an outlet 5 is provided at the lower end of the device body. In order to filter debris from the inflowing liquid and perform effective "solid-liquid separation", a liquid inlet cavity 6 is provided at the upper end of the device body, and the liquid inlet cavity 6 is connected to the inlet 4. At the same time, a filtering cavity 7 is provided at the lower end of the liquid inlet cavity 6 inside the device body, and the filtering cavity 7 is connected to the outlet 5. Taking into account that the debris has different sizes of particles, in order to avoid causing subsequent clogging of the outlet 5, a filtering mechanism is provided at the upper end of the filtering cavity 7, and the filtering mechanism includes a filter plate 8, and a plurality of filter holes 9 are distributed on the filter plate 8. Furthermore, to prevent subsequent accumulation of debris on filter plate 8 and to prevent congestion, a fluid guide column 10 extends upward from filter plate 8 and is penetrated by a fluid channel 11. It should be noted that the inlet assembly, also referred to in this utility model as the liquid inlet assembly, is used to introduce clean saline or specialized uterine infusion fluid into the uterine cavity. The outlet assembly is used to discharge fluid from the uterine cavity.

[0037] In conjunction with a preferred embodiment of the present invention, in order to dock with the liquid outlet pipe 2, the inlet 4 and outlet 5 used are both equipped with a long strip-shaped guiding mechanism 12. In this way, the guiding mechanism 12 is relatively slender as a whole, and can also play an appropriate flow-limiting role. When debris appears, it will not cause blockage due to the accumulation of debris due to excessive flow. In addition, considering the liquid-tight effect of docking, if the liquid outlet pipe 2 is threaded, a thread can be provided on the outer side of the guiding mechanism 12. If it is a plug-in type liquid outlet pipe 2, an expansion ring can be provided on the outer side of the guiding mechanism 12. Of course, other contact structures can also be used, as long as a stable and long-term liquid-tight connection is achieved.

[0038] Furthermore, the diameter of the inlet 4 used is larger than the diameter of the outlet 5. In this way, the maximum flow rate can be achieved to prevent the liquid containing debris from blocking the inlet 4. At the same time, the diameter of the inlet 4 is larger than the diameter of the filter hole 9. In this way, as the liquid flows through, the debris can be blocked by the filter plate 8 and remain in the liquid inlet chamber 6. In addition, the diameter of the outlet 5 is larger than the diameter of the filter hole 9. For small debris that has passed through the filter hole 9, it can be directly discharged through the outlet 5, and there will be no accumulation and congestion in the liquid outlet pipe 2. Furthermore, the diameter of the guide channel 11 used in the present invention is the same as the diameter of the outlet 5. In this way, even in extreme cases, when the filter holes 9 are completely blocked by large particles of debris, the filter device 3 can still be guaranteed to have a conduction effect.

[0039] In practical applications, to achieve optimal filtration, the filter holes 9 are arranged in a circular array. This allows for optimal filtration of debris of the most appropriate particle size under appropriate flow rates. Of course, other arrangements of the filter holes 9 can be employed for certain extreme environments, which will not be discussed further here.

[0040] Furthermore, the device body used in the present invention is a columnar structure, and the upper and lower edges of the columnar structure are provided with arc chamfers. In this way, there are no sharp parts, and other components installed in the hysteroscope body 1 will not be squeezed or scratched.

[0041] To prevent turbulence, the filter plate 8 is designed as an upwardly raised arc, with the liquid guide column 10 located at the center of the filter plate 8. Furthermore, a settling trough 13 is provided at the junction of the outer edge of the filter plate and the inner wall of the device body. This ensures that even if debris accumulates, the liquid flow can quickly collect it in the settling trough 13, ensuring proper collection and preventing improper blockage of the filter holes 9.

[0042] The working principle of this utility model is as follows:

[0043] The coordination of the liquid outlet assembly and the liquid inlet assembly allows the uterine cavity to be inflated with liquid, achieving a uterine expansion effect. This facilitates a clear field of view for the image sensor of the hysteroscope body 1. During the corresponding surgical procedure, debris from tissue shearing flows through the filter device 3. Small debris that is unlikely to cause blockage is discharged through the liquid outlet pipe 2. Larger debris is collected by the filter device 3.

[0044] After use, the used filter device 3 can be replaced.

[0045] It can be seen from the above text description and the accompanying drawings that the present invention has the following advantages:

[0046] 1. It is equipped with an independent filtering device to collect large particles of debris to avoid congestion in the liquid outlet pipeline.

[0047] 2. It has a reasonable conduction diameter planning to properly limit the flow of liquid. When debris appears, it will not cause blockage due to the concentrated accumulation of debris due to excessive flow.

[0048] 3. It can transform the existing hysteroscope with uterine expansion effect and has good versatility.

[0049] 4. The overall structure of the filter device is simple and easy to manufacture and use.

[0050] In addition, the indicated orientations or positional relationships described in the present invention are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or structure referred to must have a specific orientation or be operated in a specific orientation structure. Therefore, they cannot be understood as a limitation on the present invention.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A filtering hysteroscope, comprising a hysteroscope body, wherein a liquid outlet assembly and a liquid inlet assembly are provided in the hysteroscope body, characterized in that: The liquid outlet component is equipped with a liquid outlet pipeline, and a filtering device is provided in the liquid outlet pipeline. The filtering device includes a device body, an inlet is provided at the upper end of the device body, an outlet is provided at the lower end of the device body, a liquid inlet cavity is provided at the upper end inside the device body, and the liquid inlet cavity is communicated with the inlet, a filtering cavity is provided at the lower end of the liquid inlet cavity inside the device body, and the filtering cavity is communicated with the outlet, and a filtering mechanism is provided at the upper end of the filtering cavity, and the filtering mechanism includes a filter plate, a plurality of filter holes are distributed on the filter plate, a liquid guide column extends upward from the filter plate, and a guide channel is provided through the liquid guide column.

2. The filtering hysteroscope according to claim 1, characterized in that: The inlet and the outlet are both provided with a long strip-shaped guiding mechanism.

3. The filtering hysteroscope according to claim 2, characterized in that: The outer side surface of the guide mechanism is provided with a thread; or the outer side surface of the guide mechanism is provided with an expansion ring.

4. The filtering hysteroscope according to claim 1, characterized in that: The diameter of the inlet is larger than the diameter of the outlet.

5. The filtering hysteroscope according to claim 1, characterized in that: The diameter of the inlet is larger than the diameter of the filter hole.

6. The filtering hysteroscope according to claim 1, characterized in that: The diameter of the outlet is larger than the diameter of the filter hole.

7. The filtering hysteroscope according to claim 1, characterized in that: The diameter of the flow guiding channel is the same as the diameter of the outlet.

8. The filtering hysteroscope according to claim 1, characterized in that: The filtering holes are arranged in a ring array.

9. The filtering hysteroscope according to claim 1, characterized in that: The device body is a columnar structure, and the upper and lower edges of the columnar structure are provided with arc chamfers.

10. The filtering hysteroscope according to claim 1, characterized in that: The filter plate is an upwardly raised arc structure, and the liquid guide column is located at the center of the filter plate; a sedimentation tank is provided at the junction of the outer edge of the filter plate and the inner wall of the device body.

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