A laparoscopic uterine curette

Abstract

The present application relates to the field of medical devices, and specifically discloses a laparoscopic uterine curette, comprising: a spoon body, including a connecting rod and a spoon head fixedly arranged at the end of the connecting rod; a handle, arranged at the end of the connecting rod away from the spoon head; a connecting piece, connecting the spoon body and the handle; a camera, arranged on the side wall of the connecting rod close to the key head; wherein, the connecting rod has a first connecting cavity, and a suction port is formed at the junction of the connecting rod and the key head; the handle has a second connecting cavity; the connecting piece has a third connecting cavity to connect the first connecting cavity and the second connecting cavity; a first injection port and a second injection port are arranged on the inner wall of the second connecting cavity; the first injection port is connected to an external negative pressure machine, and the second injection port is connected to an external pump body to inject liquid into the second connecting cavity; the camera is electrically connected to an external display to display internal images; the beneficial effect of the present application is to provide a laparoscopic uterine curette that can suck and flush the inner wall of the uterus during laparoscopic surgery.

Description

Technical Field

[0001] The present application relates to the field of medical devices, and in particular to a laparoscopic uterine curette. Background Art

[0002] Endometrial lesions are a common type of gynecological disease, including functional uterine bleeding, endometrial polyps, and endometrial cancer. These diseases all require diagnostic curettage for diagnosis and treatment.

[0003] Currently, all curettages are performed blindly, with the operator judging the extent of the procedure by feeling with their hands. The usual method is: at the beginning of the procedure, the scraping of the uterine cavity feels smooth, and when the endometrium is about to be scraped clean, the scraping of the uterine cavity feels rough. Some doctors describe it as "scraping bitter melon peel," reminding the doctor that the procedure should be over. Continuing to scrape can cause permanent damage to the basal layer of the endometrium. However, due to the different conditions of patients and individual differences, and the inconsistent experience and feelings of each doctor, the incidence of complications such as endometrial damage is very high.

[0004] In order to solve the above problems, a visual curettage spoon has appeared on the market, which can be understood as being able to transmit the image of the inside of the uterus to an external display during the curettage. However, in the actual operation process, it was found that the doctor did not remove the internal residues during the curettage, resulting in blurred vision and increasing the difficulty of the doctor's operation. Therefore, it is necessary to design a laparoscopic curettage spoon that can clean the uterus during the curettage process. Summary of the Invention

[0005] In order to improve the problem of energy consumption, the present application provides a laparoscopic uterine curette.

[0006] The present application provides a laparoscopic uterine curette using the following technical solutions:

[0007] The key body comprises a connecting rod and a key head fixed to the end of the connecting rod;

[0008] A handle is provided at the end of the connecting rod away from the key head;

[0009] A connecting piece, connecting the key body and the handle;

[0010] A camera is arranged on the side wall of the connecting rod close to the key head;

[0011] Among them, the connecting rod has a first connecting cavity, and a suction port is formed at the connection between the connecting rod and the key head; the handle has a second connecting cavity; the connecting piece has a third connecting cavity to connect the first connecting cavity and the second connecting cavity; the inner wall of the second connecting cavity is provided with a first injection port and a second injection port; the first injection port is connected to an external negative pressure machine, and the second injection port is connected to an external pump body to inject liquid into the second connecting cavity; the camera is electrically connected to an external display to display internal images.

[0012] By adopting the above technical solution, when scraping the inner wall of the uterus, the negative pressure generated by the first injection port can absorb the scraped residues of the inner wall of the uterus; the inner wall of the uterus can be flushed through the second injection port; this integration of flushing and suction makes it easier for doctors to adapt to more different situations and improves the convenience during the operation.

[0013] Optionally, the first injection port and the second injection port are distributed vertically along the axial direction of the handle;

[0014] A blocking ring is provided on the inner wall of the second communicating cavity, and the surface of the blocking ring at least completely covers the first injection port / the second injection port;

[0015] The blocking ring is slidably arranged along the axial direction of the handle to correspond alternately between the first injection port and the second injection port.

[0016] Optionally, two limiting rings are formed on the inner wall of the second communicating cavity and on the inner walls on both sides of the first injection port / the second injection port;

[0017] The blocking ring slides between the two limiting rings;

[0018] An elastic member is provided between the blocking ring and the limiting ring, and the elastic member always gives the blocking ring an elastic force corresponding to the second injection port.

[0019] Optionally, the connecting piece is spherical and rotatably arranged at the end of the handle.

[0020] Optionally, a first rotating block is provided when the handle is rotated, and the first rotating block contacts the surface of the connecting member to drive the connecting member to rotate along the circumferential direction of the handle;

[0021] The handle is rotated to set a second rotating block, and the second rotating block contacts the surface of the connecting member to drive the connecting member to rotate along the axial direction of the handle;

[0022] Wherein, an adjustment ring is provided on the surface of the handle and contacts the first rotating block / the second rotating block; the adjustment ring moves along the axial direction of the handle and rotates along the circumferential direction of the handle.

[0023] Optionally, a first gear ring corresponding to the first rotating block is provided on the surface of the connecting member along the warp direction; and a second gear ring corresponding to the second rotating block is provided along the weft direction;

[0024] Gears corresponding to the first ring gear and the second ring gear are formed on the surfaces of the first rotating block and the second rotating block, respectively.

[0025] Optionally, the inner wall of the adjustment ring forms a rack corresponding to the first rotating block and a gear ring corresponding to the second rotating block.

[0026] Optionally, a sliding groove is formed on the surface of the handle to guide the adjustment ring to slide along the axial direction of the handle;

[0027] The sliding arrangement in the chute and connected to the adjusting ring is a slider;

[0028] An annular groove connected to the sliding block is formed on the inner wall of the adjusting ring along the circumferential direction.

[0029] Optionally, a tapered opening is formed at the end of the second communicating cavity close to the connecting piece.

[0030] Optionally, a deformable inner sleeve is fixedly provided on the inner wall of the cone mouth, and a resistance rod that contacts the surface of the deformable inner sleeve is provided on the side wall of the handle.

[0031] In summary, the present application includes at least one of the following beneficial technical effects: 1. By setting the first injection port, negative pressure can be generated, so that residues can be cleaned in time when scraping the inner wall of the uterus; 2. By injecting physiological saline through the second injection port, flushing can be performed during the operation, thereby improving cleaning; 3. The flushing function has the effect of clearing blockages; 4. The position of the key head can be conveniently adjusted by the setting of the connecting piece, which facilitates the doctor to perform more detailed operations during the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0033] Figure 2 is an exploded schematic diagram of this application;

[0034] Figure 3 It is a half-section structural diagram of this application;

[0035] Figure 4 This is a diagram of the installation structure of the first rotating block of the present application;

[0036] Figure 5 This is a diagram of the installation structure of the second rotating block of the present application;

[0037] Figure 6 It is a structural diagram of the spoon body of the present application;

[0038] Figure 7 is a structural diagram of the second ring gear of the present application;

[0039] Figure 8 is a structural diagram of the first ring gear of the present application;

[0040] Figure 9 It is a structural diagram of the adjustment ring of this application.

[0041] Figure markings: 1-spoon body; 2-handle; 3-connecting piece; 5-connecting rod; 6-spoon head; 7-first communicating chamber; 8-suction port; 9-second communicating chamber; 10-first injection port; 11-second injection port; 12-blocking ring; 13-through hole; 14-limiting ring; 15-elastic piece; 16-guide groove; 17-slide; 18-third communicating chamber; 19-conical mouth; 20-first rotating block; 21-second rotating block; 22-first gear ring; 23-second gear ring; 24-gear ring; 25-adjusting ring; 27-deformation inner sleeve; 28-resistance rod; 30-slide groove; 31-slider; 32-ring groove. DETAILED DESCRIPTION

[0042] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments described herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are for illustrative purposes only and are not intended to limit the scope of protection of the present disclosure.

[0043] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0044] It should be noted that the concepts of "first" and "second" mentioned in this disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0045] It should be noted that the modifications of "one" and "multiple" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, they should be understood as "one or more".

[0046] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0047] refer to Figures 1 to 9 The embodiment of the present application discloses a laparoscopic uterine curette, comprising: a spoon body 1, a handle 2, a connecting piece 3, and a camera;

[0048] Specifically, the spoon body 1 includes a connecting rod 5 and a key head 6; wherein, the key head 6 is fixedly arranged at the end of the connecting rod 5 extending into the interior of the uterus, and the fixing method can be welding, one-piece molding or threaded connection, etc.; the connecting rod 5 and the key head 6 are made of 304 stainless steel, which has high corrosion resistance and antibacterial ability; the key head 6 is constructed in a triangular shape to facilitate contact with the inner wall of the uterus to increase the scraping range; the end of the connecting rod 5 away from the key head 6 is connected to the handle 2 through a connector 3 to form a laparoscopic uterine curette; a camera is arranged at a position of the connecting rod 5 near the key head 6, and a transmission channel for transmitting electrical signals of the image integration mechanism is arranged on the surface of the connecting rod 5, and the transmission channel is electrically connected to an external display to image the internal situation of the uterus; the setting of the above scheme can make the surgical situation more intuitive during operation. This technology is often used in laparoscopic surgery and is an existing technology, which improves the accuracy and stability of the surgery.

[0049] In a more specific embodiment, the connecting rod 5 has a first connecting cavity 7, and a suction port 8 is formed at the connection between the connecting rod 5 and the key head 6; a second connecting cavity 9 is provided in the handle 2, and a first injection port 10 and a second injection port 11 are arranged in the second connecting cavity 9; wherein, the first injection port 10 is connected to an external negative pressure machine, and the first connecting cavity 7 is sucked in by the negative pressure machine, and when the inner wall of the uterus is scraped, the residue on the inner wall of the uterus is sucked into the first connecting cavity 7 from the suction port 8 under the action of the negative pressure; the second injection port 11 is connected to an external water pump, so that physiological saline is injected into the second connecting cavity 9 under the action of the water pump, so that when the uterus is scraped, if cleaning is required, it can be flushed with physiological saline; if blockage is encountered, it can also be cleared by flushing.

[0050] In a more specific embodiment, in the axial direction of the handle 2, the first injection port 10 and the second injection port 11 are distributed up and down; a blocking ring 12 is slidably provided on the inner wall of the second connecting cavity 9, and in the initial state, the blocking ring 12 can completely cover the first injection port 10 and the second injection port 11; wherein, the surface of the blocking ring 12 is radially penetrated to form a through hole 13 corresponding to the first injection port 10 / the second injection port 11; when the blocking ring 12 slides upward or downward, the through hole 13 can correspond to the first injection port 10 / the second injection port 11, thereby realizing suction or injection of physiological saline; more specifically, the inner wall of the second connecting cavity 9 and located on both sides of the first injection port 10 / the second injection port 11 along the axial direction of the handle 2 Two limiting rings 14 are formed on the walls respectively; the blocking ring 12 is located between the two limiting rings 14 and moves; wherein, an elastic member 15 is arranged between the blocking ring 12 and the limiting ring 14, and the elastic member 15 is a spring and always gives an elastic force to the blocking ring 12 so that the through hole 13 is always located between the first injection port 10 and the second injection port 11; more specifically, the surface of the handle 2 penetrates through the second connecting cavity 9 to form a guide groove 16 for guiding the axial movement of the blocking ring 12; a slide 17 is slidingly arranged on the surface of the handle 2, and a part of the slide 17 penetrates the guide groove 16 and is fixedly connected to the blocking ring 12; with such an arrangement, as long as the slide 17 is moved along the axial direction of the handle 2, the residue on the inner wall of the uterus can be sucked out and cleaned, which is convenient for changing the operation mode.

[0051] In another more specific embodiment, the connecting member 3 is constructed in the form of a sphere and is rotatably arranged at the end of the handle 2; specifically, the end of the connecting rod 5 away from the spoon body 1 is fixedly connected to the connecting member 3; the connection method can be any connection method that is convenient for disassembly and assembly of the connecting rod 5, such as threaded connection or clamping, so that it can be easily disassembled and assembled, and is convenient for subsequent repair, disinfection and maintenance; wherein, a third connecting cavity 18 is provided in the connecting member 3 to connect the first connecting cavity 7 and the second connecting cavity 9; a tapered opening 19 is formed at the end of the second connecting cavity 9 near the connecting member 3, and the diameter of the tapered opening 19 near the end of the third connecting cavity 18 is larger than the diameter of the second connecting cavity 9; with this arrangement, when the connecting member 3 is rotated, the third connecting cavity 18 can always be connected to the tapered opening 19, thereby improving the sealing performance;

[0052] In another more specific embodiment, the handle 2 is rotatably provided with a first rotating block 20 and a second rotating block 21 that are in contact with the surface of the connecting member 3; wherein, the first rotating block 20 is in contact with the surface of the connecting member 3; rotating the first rotating block 20 can cause the connecting member 3 to rotate under the action of friction; the rotation direction of the first rotating block 20 is to rotate along the circumferential direction of the handle 2, so that the connecting member 3 can be driven to rotate along the circumferential direction of the handle 2, thereby adjusting the rotation of the spoon body 1; the second rotating block 21 rotates along the axial direction of the handle 2, and rotating the second rotating block 21 can cause the connecting member 3 to rotate along the axial direction of the handle 2, thereby adjusting the position of the spoon body 1; through the design of the above scheme, the position of the spoon body 1 can be easily adjusted, thereby facilitating the doctor to make subtle adjustments in the uterus.

[0053] In another more preferred embodiment, a first gear ring 22 is provided on the surface of the connecting member 3 along the warp direction, and a second gear ring 23 is provided along the weft direction; a gear ring 24 is provided on both the first rotating block 20 and the second rotating block 21 so as to engage with the first gear ring 22 and the second gear ring 23 respectively; wherein, an adjustment ring 25 is slidably provided on the surface of the handle 2, and the inner wall of the adjustment ring 25 forms gear rings 24 corresponding to the two gears respectively; specifically, a groove 30 is formed on the surface of the handle 2 to guide the adjustment ring 25 to slide along the axial direction of the handle 2, and a slider 31 connected to the adjustment ring 25 is slidably provided in the groove 30, and a ring groove 32 connected to the slider 31 is formed on the inner wall of the adjustment ring 25 along the circumferential direction; with such arrangement, sliding the adjustment ring 25 along the axial direction of the handle 2 can rotate the second rotating block 21; rotating along the circumferential direction of the handle 2 can rotate the first rotating block 20; this is convenient for the doctor to operate.

[0054] In another preferred embodiment, a deformable inner sleeve 27 is also fixedly provided on the inner wall of the cone mouth 19, and the deformable inner sleeve 27 is made of materials such as rubber and silicone that can be deformed under the action of external force and can basically return to the pre-deformation state after the external force disappears; the fixing method can be, for example, gluing, clamping and locking through the handle 2 and a pressure piece connected by an additional thread thereon; wherein, a resistance rod 28 is provided on the side wall of the handle 2, and the handle 2 is radially inserted into the second connecting cavity 9 to resist the surface of the deformable inner sleeve 27; a spring is provided between the resistance rod 28 and the handle 2, which always keeps the resistance rod 28 away from the elastic force of the deformable inner sleeve 27; when in use, the resistance rod 28 can cause the deformable inner sleeve 27 to deform, thereby changing the inner diameter of the flow; in this way, the flow rate / flow rate of suction or flushing can be changed.

[0055] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0056] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A laparoscopic curette, characterized by: include: The key body comprises a connecting rod and a key head fixedly arranged at the end of the connecting rod; a handle, disposed at an end of the connecting rod away from the key head; A connecting piece, connecting the spoon body and the handle; a camera, disposed on a side wall of the connecting rod close to the key head; The connecting rod has a first connecting cavity, and a suction port is formed at the connection between the connecting rod and the key head; the handle has a second connecting cavity; the connecting piece has a third connecting cavity to connect the first connecting cavity and the second connecting cavity; the inner wall of the second connecting cavity is provided with a first injection port and a second injection port; the first injection port is connected to an external negative pressure machine, and the second injection port is connected to an external pump body to inject liquid into the second connecting cavity; the camera is electrically connected to an external display to display internal images; The connecting piece is spherical and rotatably arranged at the end of the handle; The handle is rotated to provide a first rotating block, the first rotating block contacts the surface of the connecting member to drive the connecting member to rotate along the circumferential direction of the handle; The handle is rotated to provide a second rotating block, the second rotating block contacts the surface of the connecting member to drive the connecting member to rotate along the axial direction of the handle; Wherein, the handle surface is provided with an adjustment ring which contacts the first rotating block / the second rotating block; the adjustment ring moves along the axial direction of the handle and rotates along the circumferential direction of the handle; A first gear ring corresponding to the first rotating block is provided on the surface of the connecting member along the warp direction; a second gear ring corresponding to the second rotating block is provided along the weft direction; Gears corresponding to the first ring gear and the second ring gear are formed on surfaces of the first rotating block and the second rotating block, respectively.

2. The laparoscopic curette according to claim 1, characterized in that: The first injection port and the second injection port are distributed up and down along the axial direction of the handle; A blocking ring is provided on the inner wall of the second communicating cavity, and the surface of the blocking ring at least completely covers the first injection port / the second injection port; The blocking ring is slidably arranged along the axial direction of the handle to correspond alternately between the first injection port and the second injection port.

3. The laparoscopic curette according to claim 2, characterized in that: Two limiting rings are formed on the inner wall of the second communicating cavity and on the inner walls on both sides of the first injection port / the second injection port; The blocking ring slides between the two limiting rings; An elastic member is provided between the blocking ring and the limiting ring, and the elastic member always applies an elastic force to the blocking ring corresponding to the second injection port.

4. The laparoscopic curette according to claim 3, characterized in that: A rack corresponding to the first rotating block and a gear ring corresponding to the second rotating block are formed on the inner wall of the adjusting ring.

5. The laparoscopic curette according to claim 4, characterized in that: A sliding groove is formed on the surface of the handle to guide the adjusting ring to slide along the axial direction of the handle; The sliding arrangement in the slide groove and connected to the adjustment ring is a slider; An annular groove connected to the sliding block is formed on the inner wall of the adjusting ring along the circumferential direction.

6. The laparoscopic curette according to claim 1, characterized in that: The second communicating cavity is formed with a tapered opening at an end portion close to the connecting piece.

7. The laparoscopic curette according to claim 6, characterized in that: A deformable inner sleeve is fixedly arranged on the inner wall of the cone mouth, and a resisting rod which resists against the surface of the deformable inner sleeve is arranged on the side wall of the handle.

Images