Endometrial sampling device
By designing an endometrial sampling device that does not require coordination with hysteroscopy, the endometrium is flushed and sampled using a tube body, an integrated mechanism and a sampling component, the complex operation and high false positive rate in the prior art are solved. Problem, enabling convenient and accurate acquisition and diagnosis of endometrial tissue.
Patent Information
- Application Number
- CN202420799502.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-04-17
AI Technical Summary
The existing endometrial sampling methods have problems such as complex operation, many equipment, and high false positive rates, making it difficult to achieve convenient and accurate acquisition and diagnosis of endometrial tissue.
An endometrial sampling device is designed, including a tube body, an integrated mechanism and a sampling assembly, which can rinse and sample the endometrium through an integrated mechanism that does not require hysteroscopy, and avoid falsehood through a retractable sampling assembly. Positive.
The device conveniently rinses and samples the endometrium in a visual environment, which is easy to operate, can effectively reduce the false positive rate and improve the accuracy of detection.
Smart Images
Figure CN222426082U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical devices, in particular to an endometrial sampling device. Background Art
[0002] Endometrial cancer is the most common malignant tumor in the female reproductive system. In recent years, with the rapid development of the economy, people's living habits and dietary structure have changed greatly, and the incidence of various metabolic diseases has increased year by year. Along with this, the incidence of endometrial cancer has increased significantly and is showing a trend of younger age.
[0003] Endometrial lesions mainly occur in women in the menopausal transition period and postmenopausal period, which seriously threatens the physical and mental health of patients. The development of endometrial diseases is a process of gradual transformation from benign to malignant. If abnormal endometrial hyperplasia can be detected early in clinical practice, the further deterioration of endometrial cancer can be effectively prevented. However, effective means of screening for early lesions of endometrial cancer have not yet been found.
[0004] There are many different ways to examine endometrial cancer in the clinic. Ultrasound examination is less invasive to patients, but has a high false positive rate. Diagnostic curettage causes more pain to patients and is prone to postoperative infection. The most commonly used method is to perform a biopsy of the patient's endometrium under hysteroscopy, which is the gold standard for the clinical diagnosis of endometrial cancer.
[0005] Therefore, how to conveniently obtain endometrial tissue and accurately diagnose it is a current research hotspot. Some researchers have used endometrial cell brushes to examine patients, providing a meaningful reference for the study of endometrial samplers. In recent years, endometrial samplers have been continuously updated and improved, but there are still shortcomings in sampling; among them, the direct use of endometrial samplers or sampling brushes for endometrial sampling, although there are few equipment and convenient operation, but in exfoliated cytology examinations, there is a 50% chance of positive and endometrial cancer falling off into the vagina, and most of them have necrosis or bloody secretions, so the positive rate of the examination is high; secondly, the use of samplers combined with hysteroscopy to sample the endometrium requires a lot of equipment, complex operation, and high requirements for the operator's operating skills.
[0006] Therefore, it is necessary to propose an endometrial sampling device to solve the above problems. Utility Model Content
[0007] The utility model aims to provide an endometrial sampling device in view of the problems existing in the background technology.
[0008] The technical solution of the utility model is: an endometrial sampling device, including a tube body, and also including: an integrated mechanism arranged in the tube body for flushing and sampling the endometrium without the need to cooperate with a hysteroscope; a sampling component, which can be retracted into the tube body by retreating, closing and overlapping, and advanced to the outside of the tube body to expand and sample, and is used to avoid false positives in the sampling results.
[0009] Optionally, the integrated mechanism includes a plurality of vertical baffles fixed in the tube body, which are divided into a sampling chamber, a flushing and suction chamber and an imaging chamber by the vertical baffles; a sampler is provided inside the sampling chamber, a suction piston is provided inside the flushing and suction chamber, a sealing plate is provided at the top cavity opening of the flushing and suction chamber, a plurality of flushing and suction holes are opened on the sealing plate, a transparent baffle is provided at the top cavity opening of the imaging chamber, a miniature camera is fixedly installed on the inner top of the imaging chamber, an LED lamp is fixedly installed on one side of the miniature camera, an airbag is fixedly sleeved on the top outer wall of the tube body, the airbag is connected to the trachea in the imaging chamber, and the end of the trachea away from the airbag moves through the imaging chamber and is connected to the air pump.
[0010] Optionally, the sampler includes an anti-slip rod, a handle and a sampling assembly, the top end of the anti-slip rod is fixedly connected to the sampling assembly, and the bottom end of the anti-slip rod is movable through the sampling cavity and then fixedly connected to the handle.
[0011] Optionally, an anti-skid tube movably connected to the anti-skid rod is fixedly connected to the inner wall of the sampling cavity, and a plurality of anti-skid rubber rings arranged linearly and for the anti-skid rod to pass through in sequence are fixedly connected to the interior of the anti-skid tube.
[0012] Optionally, the sampling assembly includes a front sampling bar, a left sampling bar, a right sampling bar and a rear sampling bar which are arranged in an overlapping manner, one ends of the front sampling bar, the left sampling bar, the right sampling bar and the rear sampling bar are movably connected by a connecting nail, the front sampling bar and the rear sampling bar are each provided with vertical through grooves that overlap with each other, the left sampling bar and the right sampling bar are each provided with inclined through grooves that are symmetrical to each other, the inner top wall of the sampling cavity is fixedly connected with a fixing nail for supporting the rotation of the front sampling bar, the left sampling bar, the right sampling bar and the rear sampling bar, the end of the fixing nail away from the inner wall of the sampling cavity is fixedly connected with a fixing piece, and the top end of the anti-slip rod is fixedly connected to the tail end of the front sampling bar.
[0013] Optionally, the head ends of the front sampling bar, the left sampling bar, the right sampling bar and the rear sampling bar are all fixedly connected with arc-shaped directional heads.
[0014] Optionally, opposite side surfaces of the left sampling strip and the right sampling strip are fixedly connected with sampling plates, and the sampling plates are provided with scraping brushes.
[0015] Optionally, the suction piston member includes a piston and a liquid tube, the piston is located in the middle of the flushing and suction chamber, a through hole is opened on the piston, one end of the liquid tube is fixedly connected to the through hole on the piston, and the other end of the liquid tube is movable through the flushing and suction chamber and then connected to the syringe.
[0016] Optionally, one end of the wire of the micro camera and the LED light is movably passed through the imaging cavity and then connected to the display screen controller.
[0017] Compared with the prior art, the utility model has the following beneficial technical effects:
[0018] The utility model utilizes the coordination of structures such as a tube body, an integrated mechanism, a sampling component and a sampler, so that the endometrial sampling device integrates video recording, flushing and aspiration, and sampling. It does not need to be coordinated with a hysteroscope, and the endometrium can be flushed and sampled in a visual environment, which is easy to operate. In addition, by arranging a sampling component that can retreat, close and overlap into the sampling cavity, and can advance to the outside of the sampling cavity and expand to take samples, false positives in sampling can be avoided, thereby greatly improving the accuracy of detection. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 A schematic structural diagram of an endometrial sampling device of the utility model is given;
[0020] Figure 2 for Figure 1 A schematic cross-sectional structure diagram of ;
[0021] Figure 3 for Figure 2 The enlarged schematic diagram of point A in the middle;
[0022] Figure 4 for Figure 2 The enlarged schematic diagram of point B in the middle;
[0023] Figure 5 for Figure 2 The enlarged schematic diagram of the center C;
[0024] Figure 6 for Figure 2 The enlarged schematic diagram of point D in the middle;
[0025] Figure 7 for Figure 1 Schematic diagram of the structure of the sampling component.
[0026] Figure numerals: 1, tube body; 2, vertical baffle; 3, sampling chamber; 4, flushing and suction chamber; 5, imaging chamber; 6, anti-skid rod; 7, handle; 8, anti-skid tube; 9, front sampling strip; 10, left sampling strip; 11, right sampling strip; 12, rear sampling strip; 13, connecting nail; 14, vertical through groove; 15, inclined through groove; 16, fixing nail; 17, fixing piece; 18, sampling plate; 19, scraper; 20, sealing sheet; 21, flushing and suction hole; 22, piston; 23, liquid pipe; 24, transparent baffle; 25, miniature camera; 26, LED lamp; 27, airbag; 28, trachea; 29, arc-shaped directional head; 30, anti-skid rubber ring. DETAILED DESCRIPTION
[0027] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.
[0028] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.
[0029] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.
[0030] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0031] It should be noted that the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0033] Example
[0034] like Figure 1 , Figure 2 As shown, the utility model proposes an endometrial sampling device, including a tube body 1, and also includes: an integrated mechanism arranged in the tube body 1 for flushing and sampling the endometrium without the need to cooperate with a hysteroscope; a sampling component, which can be retracted into the tube body 1 by retreating, closing, overlapping, and advancing to the outside of the tube body 1 to expand and sample, and is then used to avoid false positives in the sampling results.
[0035] For further information, please refer to Figure 3 , Figure 4 The integrated mechanism includes a plurality of vertical baffles 2 fixed in the tube body 1, which are divided into a sampling chamber 3, a flushing and suction chamber 4 and an imaging chamber 5 by the vertical baffles 2. A sampler is provided inside the sampling chamber 3, a suction piston is provided inside the flushing and suction chamber 4, a sealing sheet 20 is provided at the top cavity opening of the flushing and suction chamber 4, and a plurality of flushing and suction holes 21 are opened on the sealing sheet 20. A transparent baffle 24 is provided at the top cavity opening of the imaging chamber 5. A micro camera 25 is fixedly installed at the inner top of the imaging chamber 5, and an LED lamp 26 is fixedly installed on one side of the micro camera 25. The LED lamp 26 is usually used to provide lighting to help doctors observe and identify the surgical area during surgery. One end of the wire of the micro camera 25 and the LED lamp 26 is movably passed through the imaging chamber 5 and connected to the display screen controller. The micro camera 25 and the LED lamp 26 are controlled by the display screen controller to switch on and off, and the image taken by the micro camera 25 can be displayed to assist the operator in observing the position during operation. An airbag 27 is fixedly sleeved on the outer wall of the top end of the tube body 1. The airbag 27 is connected to the trachea 28 located in the imaging cavity 5. The end of the trachea 28 away from the airbag 27 is movable through the imaging cavity 5 and is connected to the air pump. The airbag 27 can be inflated and deflated by the air pump to make the airbag 27 larger or smaller. The enlarged airbag 27 is used to clamp out the cervical opening when necessary to facilitate sampling operations.
[0036] Among them Figure 1 , Figure 2 and Figure 5The sampler includes an anti-slip rod 6, a handle 7 and a sampling assembly. The top end of the anti-slip rod 6 is fixedly connected to the sampling assembly, and the bottom end of the anti-slip rod 6 is movably passed through the sampling cavity 3 and then fixedly connected to the handle 7.
[0037] Secondly, the inner wall of the sampling cavity 3 is fixedly connected with an anti-skid tube 8 that is movably connected to the anti-skid rod 6. The function of the anti-skid tube 8 is to limit the direction of movement of the anti-skid rod 6 and prevent the anti-skid rod 6 from deviating from the corresponding trajectory. The interior of the anti-skid tube 8 is fixedly connected with a plurality of anti-skid rubber rings 30 that are linearly arranged and pass through the anti-skid rod 6 in sequence. The anti-skid rubber ring 30 acts as a resistance to the anti-skid rod 6. When no external force is applied, the anti-skid rod 6 and the anti-skid tube 8 are in a relatively static state. This connection method can drive the sampling assembly forward or backward, and the anti-skid rod 6 can remain relatively motionless when no force is applied.
[0038] For further information, please see Figure 7 The sampling assembly includes a front sampling strip 9, a left sampling strip 10, a right sampling strip 11 and a rear sampling strip 12 which are arranged in sequence and overlap each other. The head ends of the front sampling strip 9, the left sampling strip 10, the right sampling strip 11 and the rear sampling strip 12 are fixedly connected with an arc-shaped directional head 29. One end of the front sampling strip 9, the left sampling strip 10, the right sampling strip 11 and the rear sampling strip 12 are movably connected through a connecting pin 13. The opposite side surfaces of the left sampling strip 10 and the right sampling strip 11 are fixedly connected with a sampling tray 18. The sampling tray 18 is provided with a scraping brush 19. The sampling assembly supports an opening, and the scraping brush 19 is used to scrape endometrial cell tissue. The front sampling strip 9 and the rear sampling strip 12 are both provided with vertical through grooves 14 that overlap each other, and the left sampling strip 10 and the right sampling strip 11 are both provided with symmetrical inclined through grooves 15. The inner top wall of the sampling chamber 3 is fixedly connected with a fixing nail 16 for supporting the rotation of the front sampling strip 9, the left sampling strip 10, the right sampling strip 11 and the rear sampling strip 12. The end of the fixing nail 16 away from the inner wall of the sampling chamber 3 is fixedly connected with a fixing member 17, and the top of the anti-slip rod 6 is fixedly connected with the tail end of the front sampling strip 9. When the anti-slip rod 6 rotates and moves upward to drive the sampling assembly to move upward, since the fixing nail 16 is fixed, the sampling assembly moves upward, and the fixing nail 16 gradually moves downward in the vertical through groove 14 and the inclined through groove 15, and moves toward the connecting nail 13. At this time, the sampling assembly moves upward, and the tops of the left and right sampling strips are opened to the left and right sides respectively, which is convenient for sampling.
[0039] In this embodiment, Figure 4 , Figure 6The suction piston member includes a piston 22 and a liquid pipe 23. The piston 22 is a key component in the suction piston member, which is used to generate negative pressure or positive pressure during operation, thereby realizing the suction or discharge of liquid or gas. The movement of the piston 22 in the flushing and suction chamber 4 can change the volume, thereby realizing the purpose of sucking or discharging the medium. The liquid pipe 23 is a key component in the suction piston member, which is used to generate negative pressure or positive pressure during operation, thereby realizing the suction or discharge of liquid or gas. The piston 22 is located in the middle of the flushing and suction chamber 4. A through hole is provided on the piston 22. One end of the liquid pipe 23 is fixedly connected to the through hole on the piston 22. The other end of the liquid pipe 23 is connected to the syringe after movably passing through the flushing and suction chamber 4. The syringe can be used to inject disinfectant into the flushing and suction chamber. It can be used to disinfect and clean the cervix after being inserted into the vagina. It can also be inserted into the uterus to clean the uterus, and then extract the uterus cleaning fluid to detect uterine endocrine secretions.
[0040] In this embodiment, when the endometrial sampling device is in use, the uterus can be flushed and the flushing liquid can be sucked back through the flushing and suction chamber 4 to detect endometrial secretions; then the sampling assembly is rotated through the sampling chamber 3 to move the sampling assembly upward. After the sampling assembly is opened again, the endometrium is sampled using the sampling disks 18 on the left and right sides. After the sampling is completed, the sampling assembly is rotated, and the front sampling strip 9, the left sampling strip 10, the right sampling strip 11 and the rear sampling strip 12 are closed, and then retreated into the sampling chamber 3, so as to prevent the sample from being contaminated when it exits the vagina. At the same time, the whole process can be photographed by the miniature camera 25 in the imaging chamber 5, and illuminated by the LED light 26, and finally displayed on the external display screen for auxiliary operation.
[0041] The preferred embodiments of the utility model of the above utility model are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims
1. An endometrial sampling device, comprising a tube body (1), characterized in that: Also includes: An integrated mechanism disposed in the tube (1) and used for flushing and sampling the endometrium without the need for cooperation with a hysteroscope; The sampling component is retracted into the tube body (1) by retreating, closing and overlapping, and is advanced to the outside of the tube body (1) to expand and take samples, and is used to avoid false positives in the sampling results.
2. An endometrial sampling device according to claim 1, characterized in that: The integrated mechanism comprises a plurality of vertical baffles (2) fixed in the tube body (1), which are divided into a sampling chamber (3), a flushing and suction chamber (4) and an imaging chamber (5) by the vertical baffles (2); a sampler is provided inside the sampling chamber (3); a suction piston is provided inside the flushing and suction chamber (4); a sealing sheet (20) is provided at the top of the flushing and suction chamber (4); a plurality of flushing and suction holes (21) are provided on the sealing sheet (20); and a suction piston is provided at the top of the imaging chamber (5). A transparent baffle (24) is provided at the cavity opening, a micro camera (25) is fixedly mounted on the inner top of the imaging cavity (5), an LED lamp (26) is fixedly mounted on one side of the micro camera (25), an air bag (27) is fixedly sleeved on the outer wall of the top end of the tube body (1), the air bag (27) is communicated with an air pipe (28) located in the imaging cavity (5), and one end of the air pipe (28) away from the air bag (27) movably penetrates the imaging cavity (5) and is connected to an air pump.
3. An endometrial sampling device according to claim 2, characterized in that: The sampler comprises an anti-slip rod (6), a handle (7) and a sampling assembly. The top end of the anti-slip rod (6) is fixedly connected to the sampling assembly, and the bottom end of the anti-slip rod (6) is movably passed through the sampling cavity (3) and then fixedly connected to the handle (7).
4. An endometrial sampling device according to claim 2, characterized in that: The inner wall of the sampling cavity (3) is fixedly connected to an anti-skid tube (8) that is movably sleeved with the anti-skid rod (6), and the interior of the anti-skid tube (8) is fixedly connected to a plurality of anti-skid rubber rings (30) that are linearly arranged and through which the anti-skid rod (6) passes in sequence.
5. The endometrial sampling device according to claim 3, characterized in that: The sampling assembly comprises a front sampling bar (9), a left sampling bar (10), a right sampling bar (11) and a rear sampling bar (12) which are arranged in sequence and overlap each other. One end of the front sampling bar (9), the left sampling bar (10), the right sampling bar (11) and the rear sampling bar (12) are movably connected via a connecting pin (13). The front sampling bar (9) and the rear sampling bar (12) are both provided with vertical through grooves (14) which overlap each other. The splines (11) are all provided with mutually symmetrical inclined through grooves (15); the inner top wall of the sampling chamber (3) is fixedly connected with a fixing nail (16) for supporting the rotation of the front sampling bar (9), the left sampling bar (10), the right sampling bar (11) and the rear sampling bar (12); one end of the fixing nail (16) away from the inner wall of the sampling chamber (3) is fixedly connected with a fixing piece (17); the top end of the anti-slip rod (6) is fixedly connected with the rear end of the front sampling bar (9).
6. An endometrial sampling device according to claim 5, characterized in that: The head ends of the front sampling strip (9), the left sampling strip (10), the right sampling strip (11) and the rear sampling strip (12) are all fixedly connected with an arc-shaped directional head (29).
7. An endometrial sampling device according to claim 6, characterized in that: The opposite side surfaces of the left sampling strip (10) and the right sampling strip (11) are both fixedly connected with a sampling disc (18), and the sampling disc (18) is provided with a scraper (19).
8. An endometrial sampling device according to claim 2, characterized in that: The suction piston member comprises a piston (22) and a liquid tube (23); the piston (22) is located in the middle of the flushing and suction chamber (4); a through hole is provided on the piston (22); one end of the liquid tube (23) is fixedly connected to the through hole on the piston (22); and the other end of the liquid tube (23) movably penetrates the flushing and suction chamber (4) and is connected to the syringe.
9. An endometrial sampling device according to claim 2, characterized in that: One end of the wire of the micro camera (25) and the LED lamp (26) is movably passed through the imaging cavity (5) and then connected to the display screen controller.