Adjustable uterus curette
By designing an adjustable uterine curette, and utilizing a rotating connecting component and a transmission component to peel away tissue from the curette head, the problem of cross-infection of bacteria caused by tissue adhesion during scraping is solved, thus improving operational safety and convenience.
Patent Information
- Application Number
- CN202422478752.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-10-14
AI Technical Summary
The scraped tissue can easily adhere to the scraper head, leading to the risk of cross-infection of bacteria, which is difficult to avoid effectively with current technology.
An adjustable uterine curette is designed, which uses a rotating connecting component and a transmission component to drive the scraping ring to rotate, peeling off the tissue attached to the curette head, thus avoiding the use of external cleaning materials.
This method avoids cross-infection of bacteria during tissue scraping, improves the safety and convenience of the procedure, and reduces the risk of infection.
Smart Images
Figure CN223731471U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to gynecological operation technical field, especially relate to an adjustable uterine curette. BACKGROUND
[0002] Curettage refers to the operation of scraping endometrium or uterine cavity contents, which is a common gynecological operation. In the curettage operation, the curette is the main surgical instrument. Currently, the curette commonly used in hospitals usually includes a curette head, a curette neck and an operating handle. The common curette head is divided into a middle hollow curette head and a middle non-hollow curette head.
[0003] The use method usually includes the following steps, but please note that this is a professional medical operation, which must be performed by trained medical professionals. Preoperative preparation: the patient needs to undergo detailed preoperative evaluation, including medical history inquiry and necessary examination. The doctor will explain the operation process, risks and precautions to the patient and obtain the patient's informed consent. Anesthesia: according to the patient's condition, local anesthesia or general anesthesia may be used. Body position: the patient is usually arranged on the gynecological examination table in a supine position with the legs separated and placed on the support frame. Vaginal dilatation: the doctor uses a vaginal dilator to open the vagina for better observation and access to the uterus. Curettage operation: the doctor inserts the uterine curette into the uterus gently to clean the endometrial tissue by scraping. Care should be taken during operation to avoid damage to the uterus.
[0004] However, when the tissue is scraped off, the scraped tissue is easy to adhere to the curette head, and external cleaning materials are usually used for cleaning, which can easily cause cross infection of bacteria. Therefore, the present application designs an adjustable uterine curette with a stripping function to solve this technical defect. SUMMARY
[0005] The utility model aims at the problems existing in the prior art and provides an adjustable uterine curette.
[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an adjustable uterine curette, comprising a hand-held head, a curette rod installed on the hand-held head, and a curette head installed on the curette rod.
[0007] A stripping scraping ring is arranged in the curette head, and a rotary connection assembly for rotating the stripping scraping ring is arranged between the stripping scraping ring and the curette head.
[0008] A transmission assembly is arranged on the rotary connection assembly.
[0009] A rotary adjustment assembly connected and driven by the transmission assembly is arranged between the hand-held head, the curette rod and the curette head.
[0010] Rotating the rotation adjusting assembly drives the stripping scraping ring to rotate through the transmission assembly, and the tissue attached to the scraping spoon head can be stripped.
[0011] By adopting the above technical scheme, the tissue attached to the scraping spoon rod is stripped and cleaned, thereby avoiding the risk of infection caused by cleaning the tissue attached to the scraping spoon head with external cleaning materials.
[0012] Optionally, the rotation connecting assembly comprises movable seats symmetrically arranged on the two side walls of the scraping spoon head, and a rotating shaft connected with the stripping scraping ring is arranged between the movable seats.
[0013] By adopting the above technical scheme, the stripping scraping ring can be rotated in close contact with the scraping spoon head.
[0014] Optionally, the stripping scraping ring is in close contact with the inner wall of the scraping spoon head, and a gap is formed between the stripping scraping ring and the front surface of the scraping spoon head.
[0015] By adopting the above technical scheme, the stripping scraping ring can be rotated in the scraping spoon head, and the stripping scraping ring has a certain rotating space.
[0016] Optionally, the transmission assembly comprises a worm gear arranged outside the rotating shaft and a support seat arranged on the inner wall of the scraping spoon head.
[0017] The support seat is provided with a worm arranged in mesh with the worm gear.
[0018] Optionally, the rotation adjusting assembly comprises a rotating rod arranged on the worm, penetrating through the scraping spoon rod and the handheld head and extending to the bottom of the handheld head, and a handheld rotating head is arranged at one end of the rotating rod outside the handheld head.
[0019] By adopting the above technical scheme, the stripping scraping ring on the rotation adjusting assembly can be rotated through the transmission of the rotation adjusting assembly and the transmission assembly.
[0020] Optionally, the surface of the handheld head is provided with an identification block, and the scraping spoon head is provided with a limiting block in contact with the stripping scraping ring.
[0021] By adopting the above technical scheme, the limiting of the stripping scraping ring after rotation and resetting can be facilitated.
[0022] Compared with the prior art, the beneficial effects of this utility model are as follows: by holding the hand-held head and inserting the curette head into the uterus to refer to the internal tissue reference block, the curette head's curette surface is always facing the uterus for multi-directional tissue scraping. At the same time, by rotating the rotation adjustment component, under the transmission action of the transmission component, the peeling scraping ring on the rotating connection component is driven to rotate, so that the peeling scraping ring peels off the tissue attached to the curette head. This avoids infection caused by using external cleaning materials to clean the attached tissue, and also facilitates repeated operation and use. Attached Figure Description
[0023] Figure 1 This is a perspective view of the present utility model;
[0024] Figure 2 This is a cross-sectional view of the present invention;
[0025] Figure 3 This is an enlarged view of point A in this utility model;
[0026] Figure 4 This is a partial enlarged view of the present invention;
[0027] Figure 5 This is a side perspective view of the present invention;
[0028] Figure 6 This utility model Figure 4 A three-dimensional image.
[0029] In the diagram: 1. Handheld head; 2. Scraper bar; 3. Scraper head; 4. Movable seat; 5. Rotating shaft; 6. Peeling scraper ring; 7. Worm gear; 8. Support seat; 9. Worm; 10. Rotating rod; 11. Handheld rotating head; 12. Marker block; 13. Limiting block. Detailed Implementation
[0030] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0031] In the description of this utility model, it should be noted that the terms "middle", "upper", "lower", "left", "right", "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 element 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.
[0032] As Figures 1-2 shown in the specific scheme of the embodiment is as follows: an adjustable uterine curette, comprising a handheld head 1 for handheld operation of the base site, the outer surface of the handheld head 1 is paved with resistance particles, which facilitates the medical staff to hold the handheld head 1 without sliding off the hand, and at the same time ensures the stability of the handheld operation, the handheld head 1 is integrally connected with a curette rod 2, the curette rod 2 is integrally connected with a curette head 3, and the upper surface of the curette head 3 has a certain bending amplitude, which facilitates the scraping of the tissue from the uterus.
[0033] The handheld head 1, the curette rod 2 and the curette head 3 are integrally and vertically arranged.
[0034] As Figures 2-3 shown, the curette head 3 is attached with a stripping scraping ring 6, and the stripping scraping ring 6 and the curette head 3 are provided with a rotary connecting assembly for the rotation of the stripping scraping ring 6.
[0035] The stripping scraping ring 6 is a stainless steel sheet.
[0036] The stripping scraping ring 6 is attached to the inner wall of the curette head 3, and there is a gap between the stripping scraping ring 6 and the front surface of the curette head 3, which facilitates the rotation of the stripping scraping ring 6 in the curette head 3, and the stripping scraping ring 6 and the curette head 3 are the same shape.
[0037] The rotatable angle of the stripping scraping ring 6 is zero to eighty degrees.
[0038] The rotary connecting assembly comprises movable seats 4 embedded in the two side walls of the curette head 3 and symmetrically distributed, wherein the inner wall of the curette head 3 is provided with an embedded groove for the installation of the movable seats 4, and the movable seats 4 are circumferentially rotatable with a rotating shaft 5 fixedly connected with the stripping scraping ring 6.
[0039] The rotary connecting assembly is provided with a transmission assembly.
[0040] As Figures 4-5 shown, the transmission assembly comprises a worm gear 7 installed and fixed on the outside of the rotating shaft 5 coaxially with the rotating shaft 5 and a support seat 8 integrally connected to the bottom wall of the curette head 3 and located behind the worm gear 7, and the support seat 8 is L-shaped and made of stainless steel.
[0041] Among them, the support seat 8 is circumferentially rotatable with a worm gear 9 meshing with the worm gear 7.
[0042] The handheld head 1, the curette rod 2 and the curette head 3 are provided with a rotary adjusting assembly connected and driven by the transmission assembly.
[0043] The rotation adjusting assembly comprises a rotating rod 10 integrally connected to the axis of the worm 9, penetrating through the spatula rod 2 and the hand-held head 1 and extending to the bottom of the hand-held head 1, wherein the spatula rod 2 and the hand-held head 1 are both provided with a through hole for the rotating rod 10 to penetrate through, and the end of the rotating rod 10 outside the hand-held head 1 is fixedly provided with a hand-held rotating head 11, and the outside of the hand-held rotating head 11 is provided with a circumferentially arrayed resistance increasing rack, so as to improve the resistance increasing effect of the hand-held rotation and achieve the effect of preventing slipping.
[0044] The surface of the hand-held head 1 is provided with an identification block 12 which is red or of a more conspicuous color, so as to be directly observed by medical staff, and the identification block 12 is aligned with the stripping bending surface of the spatula head 3, so as to ensure that the bending surface of the spatula head 3 is always directed to the endometrium during the hand-held operation of the user, and the spatula head 3 is provided with a limiting block 13 in contact with the stripping scraping ring 6, and the stripping scraping ring 6 is limited to rotate towards the stripping bending surface of the spatula head 3, and the limiting block 13 is arranged to facilitate the reverse rotation of the stripping scraping ring 6 after the stripping scraping ring 6 rotates to strip the attached tissue, so that the stripping scraping ring 6 is reset to the spatula head 3 and is in contact with the limiting block 13 for limiting.
[0045] The limiting block 13 is provided with an insertion slot for the insertion of the stripping scraping ring 6, so as to ensure that the stripping scraping ring 6 is inserted into the insertion slot after rotating and resetting, and is positioned to achieve a stable effect, and there is a certain insertion resistance increasing effect between the limiting block 13 and the stripping scraping ring 6 through the insertion slot, so as to prevent the stripping scraping ring 6 from being detached from the insertion slot.
[0046] The rotation of the stripping scraping ring 6 is driven by the transmission assembly to realize the stripping of the tissue attached to the spatula head 3.
[0047] As shown in Figure 6 The bottom wall of the spatula head 3 is integrally connected with a protective cover which covers the outside of the support seat 8, the worm 9 and the rotating rod 10, so as to achieve the effect of protecting the components and also to avoid contacting the endometrium to cause damage to the endometrium, the protective cover is penetrated by the rotating shaft 5, and a sealing ring is arranged at the penetration position to prevent liquid from entering the protective cover, and the sealing ring needs to be replaced before each use.
[0048] The working principle of the above embodiment is as follows:
[0049] Step one, the medical staff holds the hand-held head 1 to insert the spatula head 3 into the uterus through the vagina, and the front surface of the identification block 12 is always directed to the scraping surface in the uterus during the scraping treatment of the tissue in the uterus, that is, the bending scraping surface of the spatula head 3 is always directed to the scraped endometrial surface, and then the hand-held head 1 can be held to perform multi-directional tissue scraping treatment in the uterus;
[0050] Step two, when the tissue to be scraped is attached to the scraping surface of the spatula head 3, the medical staff rotates the handheld rotating head 11 by hand, drives the worm 9 on the rotating rod 10 to rotate synchronously on the support seat 8, and realizes the synchronous rotation of the worm wheel 7 by using the meshing of the worm 9 and the worm wheel 7, and then synchronously drives the rotating shaft 5 to rotate on the movable seat 4, so that the peeling scraper ring 9 rotates to the bending scraping surface of the spatula head 3, thereby peeling the tissue attached to the scraping surface of the spatula head 3 when the peeling scraper ring 9 rotates, avoiding the use of external cleaning parts to clean the attached tissue, which has the risk of infection;
[0051] Step three, after the tissue peeling is completed, the handheld rotating head 11 is reversely rotated by hand, which can drive the peeling scraper ring 9 to reversely rotate to the inside of the spatula head 3 and contact the limiting block 13 to reset, so as to realize the reuse of the whole device;
[0052] Finally, after the whole device is used, the spatula is washed with physiological saline or water to remove the surface blood and tissue residues, then the spatula is immersed in a solution containing a disinfectant, usually a disinfectant suitable for medical devices such as chlorhexidine or hydrogen peroxide solution is diluted according to the proportion of the instruction manual, then the spatula is taken out after soaking in the disinfectant solution for a certain period of time, and then the spatula is washed thoroughly with clean water to remove the disinfectant residues, finally the cleaned spatula is placed in an autoclave (such as a high-pressure steam sterilizer) for sterilization, usually at 121°C for 15-30 minutes, the specific time and temperature should be adjusted according to the requirements of the equipment and instruments, after the disinfection and sterilization are completed, the spatula is taken out, placed in a sterile environment for natural cooling and drying, and stored.
[0053] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An adjustable uterine curette, characterized in that, Including handheld head (1), be equipped with spatula rod (2) on the handheld head (1), be equipped with spatula head (3) on the spatula rod (2); The spatula head (3) is provided with a stripping scraping ring (6), and a rotating connection assembly for rotating the stripping scraping ring (6) is arranged between the stripping scraping ring (6) and the spatula head (3); The rotating connection assembly is provided with a transmission assembly; The handheld head (1), the spatula rod (2) and the spatula head (3) are provided with a rotating adjusting assembly connected and driven by the transmission assembly; Rotating the rotating adjusting assembly drives the stripping scraping ring (6) to rotate through the transmission assembly, and the tissue attached to the spatula head (3) can be stripped.
2. An adjustable uterine curet according to claim 1, wherein: The rotating connection assembly includes movable seats (4) symmetrically distributed on the two side walls of the spatula head (3), and a rotating shaft (5) connected with the stripping scraping ring (6) is arranged between the movable seats (4).
3. An adjustable uterine curet according to claim 1, wherein: The stripping scraping ring (6) is attached to the inner wall of the spatula head (3), and a gap is formed between the stripping scraping ring (6) and the front surface of the spatula head (3).
4. An adjustable uterine curet according to claim 2, wherein: The transmission assembly includes a worm gear (7) arranged outside the rotating shaft (5) and a support seat (8) mounted on the inner wall of the spatula head (3); Wherein, the support seat (8) is provided with a worm gear (9) engaged with the worm gear (7).
5. An adjustable uterine curet according to claim 4, wherein: The rotating adjusting assembly includes a rotating rod (10) arranged on the worm gear (9), penetrating through the spatula rod (2) and the handheld head (1) and extending to the bottom of the handheld head (1), and a handheld rotating head (11) is arranged at one end of the rotating rod (10) outside the handheld head (1).
6. An adjustable uterine curet according to claim 1, wherein: The surface of the handheld head (1) is provided with an identification block (12), and the spatula head (3) is provided with a limiting block (13) in contact with the stripping scraping ring (6).