Open hysteroscope
By designing a retractable and expandable working end of the hysteroscope, the problem of obstruction of the access path by existing hysteroscopes has been solved, thereby achieving greater diversity of surgical instruments and improving patient comfort.
Patent Information
- Application Number
- CN202422981220.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-04
AI Technical Summary
The imaging devices of existing hysteroscopes obstruct the internal passage and limit the size of surgical instruments, resulting in increased patient discomfort when the hysteroscope is inserted or removed from the patient's body.
An open-type hysteroscope was designed with a working end that has a contracted and extended state. The sliding structure is driven by a control component to switch states inside the patient's body, ensuring that the surgical instruments can be smoothly inserted into the uterus.
It reduces patient discomfort during surgery, allows various types of surgical instruments to enter the patient's uterus through the working end, and improves the convenience and comfort of the surgery.
Smart Images
Figure CN223715696U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of medical instruments, and particularly relates to a kind of open hysteroscope. BACKGROUND
[0002] Hysteroscope is surgical instrument used in gynecology, and can be directly operated by hysteroscope for all space-occupying lesions in uterine cavity, endometrial biopsy, adhesion release and longitudinal septate uterus. Currently, surgical instruments used with hysteroscope include electrotome instrument, cold knife instrument and planing knife system.
[0003] Hysteroscopic surgery refers to a kind of surgery that uses hysteroscope to assist various surgical operations to treat diseases related to cervical canal and uterine cavity.
[0004] The distal end of the hysteroscope currently used is provided with a photographing device to facilitate observation of the internal condition of the uterus. However, the photographing device blocks the passage inside the hysteroscope, limiting the size of the surgical instrument that enters the internal uterus of the patient through the hysteroscope. If a surgical instrument with a larger size is used, the size of the distal end of the hysteroscope needs to be increased. When the hysteroscope enters and exits the patient's body, it causes discomfort to the patient and increases the patient's pain.
[0005] The utility model provides a kind of open hysteroscope for the above problems. UTILITY MODEL CONTENT
[0006] In order to overcome the problems in the background art, the utility model provides an open hysteroscope.
[0007] An open hysteroscope includes a connection end, a holding segment, an extension segment and a working end arranged along an axis. The connection end, the holding segment, the extension segment and the working end have a through working channel inside. The working end includes a fixed structure, a sliding structure and a camera unit. One end of the fixed structure is fixedly connected with the extension segment, and the other end is slidingly connected with the sliding structure. The camera unit is arranged at one end of the sliding structure away from the extension segment. A control assembly is arranged on the holding segment. The control assembly includes a control valve, a first connecting structure and a second connecting structure. The control valve is rotationally connected with the holding segment. One end of the first connecting structure is fixedly connected with the control valve, and the other end is fixedly connected with the sliding structure. One end of the second connecting structure is fixedly connected with the control valve, and the other end is fixedly connected with the sliding structure. The first connecting structure and the second connecting structure are arranged on the two sides of the control valve respectively. The first connecting structure and the second connecting structure are arranged on the two sides of the sliding structure respectively.
[0008] Further, the working end portion has a retracted state and an expanded state; when the working end portion is in the retracted state, one end of the sliding structure is inserted into the fixed structure and blocks the channel in the fixed structure; when the working end portion is in the expanded state, one end of the sliding structure extends out of the fixed structure and no longer blocks the channel in the fixed structure.
[0009] Further, the first connecting structure and the second connecting structure are located inside the extension section.
[0010] Further, the holding section is provided with a transmission assembly; the transmission assembly comprises a transmission line and a transmission port; the transmission line is located inside the extension section; and the transmission port is located on the outer wall of the holding section.
[0011] Further, the holding section is provided with an injection port; one end of the injection port is inserted into the holding section and communicates with the working channel.
[0012] Further, the holding section is provided with a suction port; one end of the suction port is inserted into the holding section and communicates with the working channel.
[0013] Further, the holding section is provided with a closure valve for controlling the injection port and the suction port; one end of the closure valve is inserted into the holding section and is rotationally connected with the holding section.
[0014] Further, the closure valve is provided with a through hole; when the through hole coincides with the injection port or the suction port, the injection port or the suction port can communicate with the working channel.
[0015] Further, the injection port is provided with a first pressure measuring unit; and the suction port is provided with a second pressure measuring unit.
[0016] Further, the working channel communicates with an auxiliary port; one end of the auxiliary port is inserted into the holding section and communicates with the working channel, and the other end is detachably connected with a sealing cover.
[0017] The working end portion has a retracted state and an expanded state; when the working end portion is in the retracted state, one end of the sliding structure is inserted into the fixed structure and blocks the channel in the fixed structure; when the working end portion is in the expanded state, one end of the sliding structure extends out of the fixed structure and no longer blocks the channel in the fixed structure. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a perspective view of the hinged hysteroscope according to the present application;
[0019] Figure 2 It is a top view of the hinged hysteroscope according to the present application;
[0020] Figure 3 is a sectional view along A-A of Figure 2
[0021] Figure 4 is an enlarged view of Figure 3
[0022] Figure 5 is a connection diagram of the sliding structure, the first connecting structure and the second connecting structure for realizing the utility model
[0023] Figure 6 is a front view of the hinged hysteroscope for realizing the utility model
[0024] Figure 7 is a sectional view along B-B of Figure 6
[0025] Figure 8 is a perspective view of the working end in the contracted state for realizing the utility model
[0026] Figure 9 is a perspective view of the working end in the expanded state for realizing the utility model
[0027] In the figure, 1, connecting end; 2, transmission assembly; 3, auxiliary port; 4, injection port; 5, suction port; 6, control assembly; 7, extension section; 8, working end; 9, closed valve; 21, transmission line; 22, transmission port; 61, control valve; 62, first connecting structure; 63, second connecting structure; 81, fixed structure; 82, sliding structure; 83, camera unit. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. The utility model can also be implemented or applied through other different specific embodiments, and the following embodiments and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the utility model.
[0029] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature.
[0031] like Figures 1-9 The diagram shows an open-type hysteroscope, comprising a connecting end 1, a holding section, an extension section 7, and a working end 8 arranged along an axis; the connecting end 1, the holding section, the extension section 7, and the working end 8 have a through working channel; the working end 8 includes a fixed structure 81, a sliding structure 82, and a camera unit 83; one end of the fixed structure 81 is fixedly connected to the extension section 7, and the other end is slidably connected to the sliding structure 82; the camera unit 83 is located at the end of the sliding structure 82 away from the extension section 7; a control component 6 is provided on the holding section; the control component 6 includes a control valve 61, a first connecting structure 62, and a second connecting structure 63; the control valve 61 is rotatably connected to the holding section; one end of the first connecting structure 62 is fixedly connected to the control valve 61, and the other end is fixedly connected to the sliding structure 82; one end of the second connecting structure 63 is fixedly connected to the control valve 61, and the other end is fixedly connected to the sliding structure 82; the first connecting structure 62 and the second connecting structure 63 are respectively located on both sides of the control valve 61; the first connecting structure 62 and the second connecting structure 63 are respectively located on both sides of the sliding structure 82.
[0032] The working end 8 has a retracted state and an extended state; when the working end 8 is in the retracted state, one end of the sliding structure 82 is inserted into the interior of the fixed structure 81 and blocks the channel inside the fixed structure 81; when the working end 8 is in the extended state, one end of the sliding structure 82 extends out of the fixed structure 81 and no longer blocks the channel inside the fixed structure 81.
[0033] During the process of the working end 8 entering and exiting the patient's body, the working end 8 is in a contracted state to reduce the patient's discomfort; after the working end 8 enters the patient's body, the working end 8 enters an unfolded state under the drive of the control component 6. At this time, the sliding structure 82 no longer blocks the channel inside the fixed structure 81, so that various types of surgical instruments can enter the patient's uterus through the working end 8.
[0034] Specifically, such as Figure 4 ,5 As shown, pulling the first connecting structure 62 away from the sliding structure 82 makes the connecting part of the first connecting structure 62 and the sliding structure 82 gradually straight, while the connecting part of the second connecting structure 63 and the sliding structure 82 gradually bends, and one end of the sliding structure 82 gradually extends out of the fixed structure 81, so that the working end 8 enters the unfolded state.
[0035] Similarly, pulling the second connecting structure 63 away from the sliding structure 82 makes the connecting part of the second connecting structure 63 and the sliding structure 82 gradually straight, while the connecting part of the first connecting structure 62 and the sliding structure 82 gradually bends, and one end of the sliding structure 82 gradually retracts into the fixed structure 81, so that the working end 8 enters the folded state.
[0036] The first connecting structure 62 and the second connecting structure 63 are respectively arranged on both sides of the control valve 61, and rotating the control valve 61 can pull the first connecting structure 62 or the second connecting structure 63 away from the sliding structure 82, so as to drive the working end 8 to enter the folded state or the unfolded state.
[0037] Specifically, the first connecting structure 62 and the second connecting structure 63 are both filamentous structures, which can be made of guide wire, steel wire, etc.
[0038] In some embodiments of the present application, as shown in Figures 1-9 The first connecting structure 62 and the second connecting structure 63 are located inside the extension section 7, so as to prevent the patient's body tissue from pulling the first connecting structure 62 during the process of the working end 8 entering or exiting the patient's body, so that the working end 8 accidentally enters the unfolded state.
[0039] In the illustrative embodiments of the present application, the holding section is provided with a transmission assembly 2; the transmission assembly 2 includes a transmission line 21 and a transmission port 22; the transmission line 21 is located inside the extension section 7; and the transmission port 22 is located on the outer side wall of the holding section. The transmission line 21 connects the transmission port 22 and the camera unit 83, and when in use, connecting an external device to the transmission port 22 can observe the picture taken by the camera unit 83.
[0040] In some examples of the present application, the holding section is provided with an injection port 4; one end of the injection port 4 is inserted into the inside of the holding section and communicates with the working channel. When in use, the injection port 4 can inject drugs or flush the camera unit 83 through the extension section 7 and the working end 8 into the patient's body.
[0041] Preferably, the injection port 4 is provided with a first pressure measuring unit to detect the pressure of the injection port 4, so as to prevent the pressure of the object injected into the patient's body through the injection port 4 from being too high or the speed from being too fast, thereby damaging the patient's healthy tissue.
[0042] In the specific example of the present application, the holding section is provided with a suction port 5; one end of the suction port 5 is inserted into the interior of the holding section and communicates with the working channel. When in use, liquid in the patient's body can be sucked out through the extension section 7 and the working end 8 via the suction port 5, so as to achieve the purposes of drainage, emptying the surgical field, etc.
[0043] Preferably, the suction port 5 is provided with a second pressure measuring unit to detect the pressure of the suction port 5, so as to prevent the pressure of the suction port 5 from being too high or the speed of sucking liquid in the patient's body from being too fast, and thus damaging the healthy tissue of the patient.
[0044] Preferably, the holding section is provided with a closure valve 9 for controlling the injection port 4 and the suction port 5; one end of the closure valve 9 is inserted into the interior of the holding section and is rotationally connected with the holding section.
[0045] Specifically, the closure valve 9 is provided with a through hole, when the through hole coincides with the injection port 4 or the suction port 5, the injection port 4 or the suction port 5 can communicate with the working channel.
[0046] Further, the working channel is communicated with an auxiliary port 3; one end of the auxiliary port 3 is inserted into the interior of the holding section and communicates with the working channel, and the other end is detachably connected with a sealing cover. When the sealing cover is opened, the interior of the working channel can be injected with medicine or surgical instruments via the auxiliary port 3.
[0047] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present description, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0048] The embodiments described in the present application are only part of the embodiments of the present application, not all the embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosure of the present application. The present application can also be implemented or applied by other different specific embodiments, and the following embodiments and features in the embodiments can be combined with each other without conflict, and all other embodiments obtained by those skilled in the art without creative labor based on the embodiments in the present application belong to the scope of protection of the present application.
Claims
1. A hysteroscope comprising a connecting end, a holding section, an elongated section and a working end arranged along an axis, the connecting end, the holding section, the elongated section and the working end having a through working channel in their interior, characterized in that The working end portion comprises a fixed structure, a sliding structure and a camera unit; one end of the fixed structure is fixedly connected with the extension section, and the other end is slidingly connected with the sliding structure; the camera unit is arranged at one end of the sliding structure away from the extension section; the holding section is provided with a control assembly; the control assembly comprises a control valve, a first connecting structure and a second connecting structure; the control valve is rotationally connected with the holding section; one end of the first connecting structure is fixedly connected with the control valve, and the other end is fixedly connected with the sliding structure; one end of the second connecting structure is fixedly connected with the control valve, and the other end is fixedly connected with the sliding structure; the first connecting structure and the second connecting structure are arranged on the two sides of the control valve respectively; the first connecting structure and the second connecting structure are arranged on the two sides of the sliding structure respectively.
2. The open speculum of claim 1, wherein, The working end portion has a contracted state and an expanded state; when the working end portion is in the contracted state, one end of the sliding structure is inserted into the interior of the fixed structure and blocks the passage in the interior of the fixed structure; when the working end portion is in the expanded state, one end of the sliding structure protrudes out of the fixed structure and no longer blocks the passage in the interior of the fixed structure.
3. The open speculum of claim 1, wherein, The first connecting structure and the second connecting structure are located in the interior of the extension section.
4. The open speculum of claim 1, wherein, The holding section is provided with a transmission assembly; the transmission assembly comprises a transmission line and a transmission port; the transmission line is located in the interior of the extension section; and the transmission port is located on the outer side wall of the holding section.
5. The open speculum of claim 1, wherein, The holding section is provided with an injection port; one end of the injection port is inserted into the interior of the holding section and communicates with the working passage.
6. The spreader hysteroscope according to claim 5, wherein, The holding section is provided with a suction port; one end of the suction port is inserted into the interior of the holding section and communicates with the working passage.
7. The spreader hysteroscope according to claim 6, wherein, The holding section is provided with a closure valve for controlling the injection port and the suction port; one end of the closure valve is inserted into the interior of the holding section and is rotationally connected with the holding section.
8. The spreader hysteroscope according to claim 7, wherein, The closure valve is provided with a through hole; when the through hole coincides with the injection port or the suction port, the injection port or the suction port can communicate with the working passage.
9. The spreader hysteroscope according to claim 6, wherein, The injection port is provided with a first pressure measuring unit; and the suction port is provided with a second pressure measuring unit.
10. The spreader hysteroscope according to any one of claims 1-9, characterized in that, The working passage communicates with an auxiliary port; one end of the auxiliary port is inserted into the interior of the holding section and communicates with the working passage, and the other end is detachably connected with a sealing cover.