Abdomen pressing device for assisting transvaginal ultrasonography

By designing a multifunctional bed structure, the problems of multi-directional pressure and patient comfort in existing transvaginal ultrasound examination devices have been solved, resulting in clearer ultrasound images and a more stable patient position, thus improving the examination effect.

CN121910409APending Publication Date: 2026-04-24THE FIRST AFFILIATED HOSPITAL OF HAINAN MEDICAL UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
THE FIRST AFFILIATED HOSPITAL OF HAINAN MEDICAL UNIV
Filing Date
2024-02-28
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Existing abdominal compression devices for transvaginal ultrasound examinations are difficult to achieve multi-directional compression and flexible adjustment, resulting in unclear ultrasound images, patient discomfort, and unstable patient positioning.

Method used

A bed structure was designed that includes an abdominal massage component, a back push component, a lifting component, and a leg support component. Through the motor-driven gear and rack meshing, electric push rods, cams, and other components, the abdominal massage head can be pressed in multiple directions, the angle of the push plate can be adjusted, and the patient's position can be slightly changed. With the help of the arc-shaped guide rail and the leg support component, patient comfort and clear images are ensured.

Benefits of technology

This method enables multi-directional abdominal compression, improves the clarity of ultrasound images, reduces patient discomfort, and ensures the stability and comfort of the patient in the lithotomy position.

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Abstract

The invention aims to provide an abdomen pressing device for assisting transvaginal ultrasonography, and relates to the technical field of medical instruments, an arc-shaped guide rail is arranged, a motor drives a gear to rotate, so that a sliding base is controlled to slide along the guide rail, and an abdomen massaging head arranged on the sliding base can reach the side of the abdomen; the abdomen kneading head is rotationally mounted on the electric push rod of the sliding base, so that the rotating angle of the abdomen kneading head can be adjusted, and the abdomen can be pressed in multiple directions; the back pushing assembly and the lifting assembly are arranged on the bed body, so that the abdomen of a patient is contracted or stretched, a vagina ultrasonic probe stretching into the vagina is convenient to explore, a motor drives a cam to rotate to abut against a lifting block of the lifting assembly to ascend or descend, the body position of the patient is slightly changed, and unclear color ultrasound images of uterine accessories are avoided; the arc-shaped groove is formed in the tail of the bed body, and the leg supporting assemblies are installed on the two sides of the groove, so that a patient keeps a lithotomy position, and a vagina ultrasonic probe can stretch into the groove conveniently.
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Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to an abdominal compression device for assisting transvaginal ultrasound examination. Background Technology

[0002] Uterine and adnexal ultrasound is used in gynecological examinations to examine uterine development, uterine lesions, fallopian tube lesions, and ovarian lesions. There are two methods: transabdominal and transvaginal. Transabdominal ultrasound has a wider range of applications, but it is easily affected by factors such as obesity and abdominal gas, resulting in unclear images and potentially missed or misdiagnosed diagnoses. Furthermore, transabdominal ultrasound requires a moderately full bladder beforehand; those with insufficient bladder fullness may need to continue holding their urine to complete the examination, often requiring multiple attempts. Transvaginal ultrasound, on the other hand, does not require a full bladder; urination is sufficient before the examination. Additionally, the closer proximity of the probe to the examination site allows for better avoidance of interference from intestinal gas, resulting in a clearer view of the organs being examined.

[0003] During the examination, the patient usually needs to be in the lithotomy position. Ultrasound images can be of poor quality due to interference from intestinal gas, visceral obscuration or adhesions, poor positioning, volume artifacts, excessively large uterine or ovarian lesions, or exceeding the maximum depth of transvaginal ultrasound, leading to frequent misdiagnosis and missed diagnoses. When encountering these problems, the sonographer usually presses or pushes the bowel to remove intestinal gas interference.

[0004] The utility model with publication number CN216823490U discloses an abdominal compression device for assisting transvaginal ultrasound examination, including a bed body, a hip support provided at the top of the bed body, and a U-shaped frame provided above the bed body. The left inner wall and right inner wall of the U-shaped frame are slidably connected to the left and right sides of the bed body, respectively.

[0005] Existing technology achieves abdominal compression of patients through a simple structure, and the foot-operated mechanism facilitates the operation for doctors, saving time and effort, and resulting in clearer ultrasound images. It is highly practical, but the following problems still exist:

[0006] 1. The abdominal compression device for assisting transvaginal ultrasound examination in the prior art (CN216823490U) can drive the transmission box and the compression ball to move laterally through the sliding limit cooperation between the sliding cable and the sliding rail. However, it is not easy to press the side of the abdomen, and it is not convenient to compress the abdomen from multiple directions. It cannot effectively solve the problem of unclear ultrasound images.

[0007] 2. The abdominal compression device for assisting transvaginal ultrasound examination in the existing technology (CN216823490U) has the compression ball and foot support on the same plane. When the patient is in the lithotomy position, the compression ball is not easy to reach the abdomen, the adjustment is not flexible enough, and it is easy to cause discomfort to the patient. Summary of the Invention

[0008] To address the shortcomings of existing technologies, this invention provides the following technical solution:

[0009] An abdominal massage device for assisting transvaginal ultrasound examination includes a bed frame. The bed frame is equipped with an abdominal massage component and a leg support component according to human anatomy. The abdominal massage component includes a guide rail, a sliding base, and an abdominal massage head. The two ends of the guide rail are slidably connected to the bed frame via sliders. The guide rail has an arc-shaped structure. One end of the guide rail is rotatably connected to the slider, and the other end is detachably connected to the slider via a buckle. The sliding base is slidably connected to the guide rail. A motor is installed on the sliding base. The rotating shaft of the motor is equipped with a gear that meshes with a rack fixedly installed on the guide rail. The motor drives the gear to rotate, thereby controlling the sliding base to slide along the guide rail. The abdominal massage head is rotatably connected to the sliding base via an electric push rod.

[0010] The upper end of the bed has an installation groove, and a backrest assembly is provided in the installation groove. The backrest assembly includes a push plate rotatably connected to the installation groove and a wedge block slidably installed in the installation groove. The wedge block is located between the push plate and the installation groove. An electric push rod is provided below the bed. The wedge block is fixedly connected to the electric push rod. The extension and retraction of the electric push rod controls the sliding of the wedge block, thereby controlling the rotation angle of the push plate.

[0011] A through slot is provided in the middle of the bed, and a lifting component is slidably installed in the through slot. The lifting component includes a cam and a lifting block slidably connected to the through slot. The cam abuts against the bottom surface of the lifting block. The cam is installed on the rotating shaft of a motor below the bed. The motor drives the cam to rotate, thereby causing the lifting block to rise or fall.

[0012] Furthermore, the leg support assembly includes two support plates and a telescopic rod fixedly connected to the bed frame. The support plates are rotatably connected to the telescopic rod via a pivot. A sliding sleeve and a limiting sleeve are fitted onto the telescopic rod. The limiting sleeve is threadedly connected to the telescopic rod. A telescopic side rod is rotatably installed below the support plates and rotatably connected to the sliding sleeve. By rotating the limiting sleeve, the sliding of the sliding sleeve is controlled, thereby driving the telescopic side rod to control the rotation of the support plates to adjust the angle.

[0013] Furthermore, a lead screw is rotatably installed in the bed body corresponding to the abdominal kneading component. The lead screw is threadedly connected to the slider. A motor is installed on the bed body, and a gear is installed on the rotating shaft of the motor, which meshes with the gear installed on the lead screw. The motor drives the gear to rotate, which in turn drives the lead screw to rotate, causing the slider to slide along the bed body, thereby driving the abdominal kneading component to slide.

[0014] Furthermore, an arc-shaped groove is formed at the rear end of the bed, and the leg support assembly is located on both sides of the groove.

[0015] Furthermore, a plurality of first sliding grooves are formed in the through groove, and the edge of the lifting block slides up and down along the first sliding grooves by setting a limiting block.

[0016] Furthermore, a second sliding groove is formed at the bottom of the mounting groove, and the wedge block slides within the second sliding groove.

[0017] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0018] 1. This invention features an arc-shaped guide rail with a sliding base slidably mounted on it. A motor is mounted on the sliding base, and a gear on the motor's rotating shaft meshes with a rack fixedly mounted on the guide rail. The motor drives the gear to rotate, thereby controlling the sliding base to slide along the guide rail. This allows the abdominal massage head mounted on the sliding base to reach the side of the abdomen. The abdominal massage head is rotatably mounted on an electric push rod on the sliding base, allowing adjustment of the rotation angle of the abdominal massage head to achieve multi-directional abdominal pressure. One end of the guide rail is slidably connected to the bed frame via a rotatable slider, while the other end is detachably connected to the slider via a buckle, preventing the guide rail from blocking the patient and making it inconvenient for the patient to lie on the bed.

[0019] 2. The present invention is equipped with a back-pushing component and a lifting component on the bed. The wedge block slides between the push plate and the mounting groove by the extension and retraction of the electric push rod, thereby controlling the rotation angle of the push plate, so that the patient's abdomen contracts or relaxes, which facilitates the vaginal ultrasound probe inserted into the vagina. The cam driven by the motor rotates to push the lifting block of the lifting component to rise or fall, slightly changing the patient's position and avoiding unclear color ultrasound images of the uterus and adnexa.

[0020] 3. The present invention has an arc-shaped groove at the tail of the bed and leg support components installed on both sides of the groove. The patient's legs can be placed on the support plate of the leg support components to keep the patient in the lithotomy position, which facilitates the insertion of the vaginal ultrasound probe. By rotating the limiting sleeve of the leg support components, the sliding sleeve is controlled to slide, thereby driving the telescopic side rod to control the rotation of the support plate to adjust the angle, thereby adjusting to adapt to the bending angle of the patient's knee joint and making the patient more comfortable. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a side cross-sectional view of the present invention;

[0023] Figure 3 This is a schematic diagram of the motor driving the lead screw rotation of the present invention;

[0024] Figure 4 This is a schematic diagram showing the positions of the cam and the lifting block in this invention;

[0025] Figure 5This is a schematic diagram of the abdominal massage component of the present invention;

[0026] Figure 6 This is a schematic diagram of the leg support component structure of the present invention;

[0027] Figure 7 This is a schematic diagram of the bed structure of the present invention.

[0028] In the diagram: Bed body-1, through groove-101, first sliding groove-1011, mounting groove-102, second sliding groove-1021, abdominal massage assembly-2, guide rail-201, slider-202, buckle-203, sliding base-204, abdominal massage head-205, leg support assembly-3, telescopic rod-301, limit sleeve-302, sliding sleeve-303, telescopic side rod-304, support plate-305, back push assembly-4, push plate-401, wedge block-402, lifting assembly-5, lifting block-501, limit block-5011, cam-502, rack-6, gear-7, motor-8, lead screw-9, electric push rod-10. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Example 1:

[0031] Please see Figure 1-7 An abdominal massage device for assisting transvaginal ultrasound examination includes a bed 1. The bed 1 is equipped with an abdominal massage component 2 and a leg support component 3 according to the human anatomical structure. The abdominal massage component 2 includes a guide rail 201, a sliding base 204, and an abdominal massage head 205. The two ends of the guide rail 201 are slidably connected to the bed 1 through sliders 202. The guide rail 201 has an arc-shaped structure. One end of the guide rail 201 is rotatably connected to the slider 202, and the other end is detachably connected to the slider 202 through a buckle 203. When the patient lies on the bed 1, the guide rail 201 is rotated and fixed at one end through the buckle 203 to prevent the guide rail 201 from blocking the patient and making it inconvenient for the patient to lie on the bed.

[0032] In this embodiment, the sliding base 204 is slidably connected to the guide rail 201. A motor 8 is provided on the sliding base 204. A gear 7 is provided on the rotating shaft of the motor 8 and meshes with a rack 7 fixedly installed on the guide rail 201. The motor 8 drives the gear 7 to rotate, thereby controlling the sliding base 204 to slide along the guide rail 201, so that the abdominal massage head 205 provided on the sliding base 204 can reach the side of the abdomen for pressing.

[0033] In this embodiment, the sliding base 204 is rotatably connected to the abdominal kneading head 205 via an electric push rod 10, which can further adjust the angle of the abdominal kneading head 205. A lead screw 9 is rotatably provided inside the bed body 1 corresponding to the abdominal kneading component 2. The lead screw 9 is threadedly connected to the slider 202. A motor 8 is provided on the bed body 1, and a gear 7 is provided on the rotating shaft of the motor 8 to mesh with the gear 7 provided on the lead screw 9. The motor 8 drives the gear 7 to rotate, which in turn drives the lead screw 9 to rotate, so that the slider 202 slides along the bed body 1, thereby driving the abdominal kneading component 2 to slide.

[0034] In this embodiment, a lead screw 9 is rotatably installed inside the bed body 1 corresponding to the abdominal kneading component 2. The lead screw 9 is threadedly connected to the slider 202. A motor 8 is installed on the bed body 1, and a gear 7 is installed on the rotating shaft of the motor 8, which meshes with the gear 7 installed on the lead screw 9. The motor 8 drives the gear 7 to rotate, which in turn drives the lead screw 9 to rotate, causing the slider 202 to slide along the bed body 1, thereby driving the abdominal kneading component 2 to slide.

[0035] In this embodiment, an arc-shaped guide rail 201 is provided, and a sliding base 204 is slidably installed on the guide rail 201. A motor 8 is provided on the sliding base 204, and a gear 7 is provided on the rotating shaft of the motor 8, which meshes with a rack 6 fixedly installed on the guide rail 201. The motor 8 drives the gear 7 to rotate, thereby controlling the sliding base 204 to slide along the guide rail 201, so that the abdominal massage head 205 provided on the sliding base 204 can reach the side of the abdomen. The abdominal massage head 205 is rotatably installed on the electric push rod 10 of the sliding base 204, and the rotation angle of the abdominal massage head 205 can be adjusted to achieve multi-directional abdominal massage.

[0036] Example 2:

[0037] Please see Figure 1-7According to Embodiment 1, an installation groove 102 is provided at the upper end of the bed body 1. A backrest assembly 4 is provided in the installation groove 102. The backrest assembly 4 includes a push plate 401 rotatably connected to the installation groove 102 and a wedge block 402 slidably installed in the installation groove 102. A second sliding groove 1021 is provided at the bottom of the installation groove 102. The wedge block 402 slides in the second sliding groove 1021. The wedge block 402 is located between the push plate 401 and the installation groove 102. An electric push rod 10 is provided below the bed body 1. The wedge block 402 is fixedly connected to the electric push rod 10. The sliding of the wedge block 402 is controlled by the extension and retraction of the electric push rod 10, thereby controlling the rotation angle of the push plate 401.

[0038] In this embodiment, the electric push rod 10 retracts, causing the wedge block 402 to slide towards the angle between the push plate 401 and the mounting groove 102, thus rotating and pushing the push plate 401 up, pushing the patient's back and causing the patient's abdomen to contract, a process similar to a sit-up. Conversely, the electric push rod 10 extends, causing the wedge block 402 to move away from the angle between the push plate 401 and the mounting groove 102, and the push plate 401 rotates and retracts into the mounting groove 102 under the action of the patient's gravity, causing the patient's back to lie flat and the abdomen to relax.

[0039] Example 3:

[0040] Please see Figure 1-7 According to Embodiment 1, a through groove 101 is formed in the middle of the bed body 1. A lifting component 5 is slidably installed in the through groove 101. The lifting component 5 includes a cam 502 and a lifting block 501 slidably connected to the through groove 101. A plurality of first sliding grooves 1011 are formed in the through groove 101. The edge of the lifting block 501 slides up and down along the first sliding grooves 1011 by setting a limiting block 5011. The cam 502 abuts against the bottom surface of the lifting block 501. The cam 502 is mounted on the rotating shaft of the motor 8 below the bed body 1. The motor 8 drives the cam 502 to rotate, thereby driving the lifting block 501 to rise or fall. The lifting block 501 is positioned at the patient's waist. The rise or fall of the lifting block 501 can slightly change the patient's position and avoid unclear ultrasound images of the uterus and adnexa.

[0041] Example 4:

[0042] Please see Figure 1-7According to Embodiment 1, the leg support assembly 3 includes two support plates 305 and a telescopic rod 301 fixedly connected to the bed frame 1. The support plates 305 are rotatably connected to the upper end of the telescopic rod 301 via a pivot. A sliding sleeve 303 and a limiting sleeve 302 are sleeved on the telescopic rod 301. The limiting sleeve 302 is threadedly connected to the telescopic rod 301. The lower part of the support plate 305 is rotatably connected to the sliding sleeve 303 via a telescopic side rod 304. By rotating the limiting sleeve 302, the sliding of the sliding sleeve 303 is controlled, thereby driving the telescopic side rod 304 to control the rotation of the support plate 305 to adjust the angle. An arc-shaped groove is opened at the tail end of the bed frame 1, and the leg support assembly 3 is located on both sides of the groove.

[0043] In this embodiment, an arc-shaped groove is provided at the rear of the bed 1, and leg support components 3 are installed on both sides of the groove. The patient's legs can be placed on the support plate 305 of the leg support component 3 to keep the patient in the lithotomy position, which facilitates the insertion of the vaginal ultrasound probe. By rotating the limiting sleeve 302 of the leg support component 3, the sliding sleeve 303 is controlled to slide, thereby driving the telescopic side rod 304 to control the rotation of the support plate 305 to adjust the angle, thereby adjusting to adapt to the bending angle of the patient's knee joint and making the patient more comfortable.

[0044] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. An abdominal massage device for assisting transvaginal ultrasound examination, comprising a bed, wherein the bed is provided with an abdominal massage component and a leg support component according to human anatomical structure, characterized in that, The abdominal massage assembly includes a guide rail, a sliding base, and an abdominal massage head. The two ends of the guide rail are slidably connected to the bed through sliders. The guide rail has an arc-shaped structure. One end of the guide rail is rotatably connected to the slider, and the other end is detachably connected to the slider through a buckle. The sliding base is slidably connected to the guide rail. A motor is installed on the sliding base. A gear on the rotating shaft of the motor meshes with a rack fixedly installed on the guide rail. The motor drives the gear to rotate, thereby controlling the sliding base to slide along the guide rail. The abdominal massage head is rotatably connected to the sliding base through an electric push rod. The upper end of the bed has an installation groove, and a backrest assembly is provided in the installation groove. The backrest assembly includes a push plate rotatably connected to the installation groove and a wedge block slidably installed in the installation groove. The wedge block is located between the push plate and the installation groove. An electric push rod is provided below the bed. The wedge block is fixedly connected to the electric push rod. The extension and retraction of the electric push rod controls the sliding of the wedge block, thereby controlling the rotation angle of the push plate. A through slot is provided in the middle of the bed, and a lifting component is slidably installed in the through slot. The lifting component includes a cam and a lifting block slidably connected to the through slot. The cam abuts against the bottom surface of the lifting block. The cam is installed on the rotating shaft of a motor below the bed. The motor drives the cam to rotate, thereby causing the lifting block to rise or fall.

2. The abdominal compression device for assisting transvaginal ultrasound examination according to claim 1, characterized in that, The leg support assembly includes two support plates and a telescopic rod fixedly connected to the bed frame. The support plates are rotatably connected to the telescopic rod via a pivot. A sliding sleeve and a limiting sleeve are fitted onto the telescopic rod. The limiting sleeve is threadedly connected to the telescopic rod. A telescopic side rod is rotatably installed below the support plates and is rotatably connected to the sliding sleeve. By rotating the limiting sleeve, the sliding of the sliding sleeve is controlled, thereby driving the telescopic side rod to control the rotation of the support plates to adjust the angle.

3. The abdominal compression device for assisting transvaginal ultrasound examination according to claim 1, characterized in that, A lead screw is rotatably installed inside the bed corresponding to the abdominal kneading component. The lead screw is threadedly connected to the slider. A motor is installed on the bed, and a gear on the rotating shaft of the motor meshes with a gear on the lead screw. The motor drives the gear to rotate, which in turn drives the lead screw to rotate, causing the slider to slide along the bed, thereby causing the abdominal kneading component to slide.

4. The abdominal compression device for assisting transvaginal ultrasound examination according to claim 1, characterized in that, The bed frame has an arc-shaped groove at its rear end, and the leg support components are located on both sides of the groove.

5. The abdominal compression device for assisting transvaginal ultrasound examination according to claim 1, characterized in that, A plurality of first sliding grooves are formed in the through groove, and the edge of the lifting block slides up and down along the first sliding grooves by setting a limiting block.

6. The abdominal compression device for assisting transvaginal ultrasound examination according to claim 1, characterized in that, A second sliding groove is formed at the bottom of the mounting groove, and the wedge block slides within the second sliding groove.

Citation Information

Patent Citations

  • Abdomen pressing device for assisting transvaginal ultrasonography

    CN216823490U