Uterine cavity haemostatic forceps

Abstract

The invention relates to the technical field of uterine cavity haemostatic forceps, in particular to a pair of uterine cavity haemostatic forceps. Comprising a first clamp, the first clamp is fixedly connected with a positioning pin, the positioning pin is hinged to a second clamp, the end of the first clamp and the end of the second clamp are rotationally connected with rotating columns, the ends of the rotating columns are fixedly connected with clamp heads, rotating structures are arranged between the clamp heads and the first clamp and between the clamp heads and the second clamp, and a liquid suction structure is arranged on the second clamp head. And a positioning structure is arranged between the clamp I and the clamp II. When the haemostatic forceps are used for stopping bleeding of a patient with a torn uterine cavity, the haemostatic forceps and the medical probe go deep into the body of the patient from the vagina, and when the haemostatic forceps and the medical probe reach the uterine cavity part, the core rod is pulled to drive the piston to move, so that blood on the surface of the piston is sucked into the liquid suction pipe, and when the haemostatic forceps are used for stopping bleeding, the medical probe is not damaged. The surface blood can be absorbed and exposed out of part of the inner wall of the uterine cavity, so that the wound part can be conveniently found when the hemostatic forceps are used, the hemostasis is quicker, and the use is more convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of uterine cavity hemostatic forceps, and specifically refers to a uterine cavity hemostatic forceps. Background Art

[0002] It refers to parturients during childbirth with cervical lacerations greater than 1 cm and accompanied by varying degrees of bleeding. Deeper cervical lacerations can extend upward to the vaginal fornix, the upper 1 / 3 segment of the vagina or the lower uterine segment. During the delivery of primiparas, there are mild lacerations on both sides of the cervical orifice, but the length usually does not exceed 1 cm and there is no obvious bleeding. Generally, it often heals naturally quickly after childbirth, so it belongs to the normal range. The cervical laceration rate is an important indicator to measure the quality of obstetrics. Severe cervical lacerations not detected and treated in time can cause varying degrees of damage to parturients and even endanger their lives. Since the lesions of cervical lacerations are often located in the lower segment of the anterior uterine wall, especially the lower wall where the hysteroscopic electrocision loop is difficult to reach deeply, it is difficult to perform electrocoagulation hemostasis. At this time, clamping the anterior and posterior lips of the cervix with a cervical forceps can often achieve the effect of compressive hemostasis.

[0003] A uterine cavity hemostatic forceps mentioned in the existing Chinese patent publication (authorization announcement number: CN214073440U). It includes 2 forceps head assemblies, 2 forceps rods, and 2 forceps handles. One end of the forceps rod is fixedly connected to the forceps head assembly, and the other end is fixedly connected to the forceps handle. The 2 forceps rods are rotationally connected through a pin shaft at their rod positions. The forceps head assembly includes an oval forceps head. Fine wavy occluding teeth are evenly distributed on the inner sides of the forceps head and the forceps rod. The oval forceps head can increase its contact area with tissue blood vessels, thereby improving the hemostatic effect. The wavy occluding teeth can increase the pressure on the blood vessels and further improve the hemostatic effect. A first locking claw is rotationally connected to one side of the forceps rod through a fixing frame, and a second locking claw is fixedly connected to the other side of the forceps rod. The first locking claw and the second locking claw engage to play a locking role, and the clamping function of the forceps head assembly can be realized. The utility model has a simple and reliable structure and is convenient to operate.

[0004] Currently, for postpartum uterine bleeding, especially when the contraction of the lower uterine segment is weak and the bleeding is difficult to control, local hemostasis needs to be performed on the bleeding site inside the uterine cavity. When using the existing device, the hemostatic forceps need to be inserted into the uterine cavity and searched along the inner wall of the uterine cavity. When the bleeding site is found, the two ends of the forceps head are aligned with the bleeding site for clamping, so that the blood vessels at the bleeding site are subjected to pressure to stop bleeding. However, when the existing hemostatic forceps search for the bleeding opening in the uterine cavity, the continuous bleeding is likely to accumulate on the surface of the uterine cavity, making it difficult for doctors to distinguish the bleeding site during hemostasis and difficult to quickly see the bleeding point for hemostasis. Summary of the Invention

[0005] The purpose of this application is to provide a uterine cavity hemostatic forceps to solve the problem that it is difficult to quickly find the bleeding site when the existing uterine cavity hemostatic forceps perform hemostasis on the inside of the uterine cavity.

[0006] The present application specifically adopts the following technical solutions to achieve the above object:

[0007] A uterine cavity hemostatic forceps includes a clamp one, the clamp one is fixedly connected with a positioning pin, the positioning pin is hinged with a clamp two, both ends of the clamp one and the clamp two are rotatably connected with a rotating column, the end of the rotating column is fixedly connected with a forceps head, a rotating structure is arranged between the forceps head and the clamp one and the clamp two, a liquid suction structure is arranged on the forceps head two, and a positioning structure is arranged between the clamp one and the clamp two.

[0008] By adopting the above technical solutions, when using this device to stop bleeding for patients with cervical laceration bleeding, the whole hemostatic forceps is inserted into the vagina and into the uterine cavity part. At this time, medical staff use a medical probe to illuminate and transmit images of the uterine cavity part, move the end of the hemostatic forceps towards the bleeding part, make its forceps head contact with the uterine cavity, and extract the blood attached to the uterine cavity through the liquid suction structure. After finding the bleeding part, slowly clamp it, and when the blood vessels at the uterine cavity wound are under pressure, bleeding is stopped.

[0009] Further, the liquid suction structure includes a suction nozzle fixedly connected to the rotating column, a hose is fixedly connected to the end of the suction nozzle, a liquid suction tube is fixedly connected to the end of the hose away from the suction nozzle, and the liquid suction tube is fixedly connected with the clamp one.

[0010] By adopting the above technical solutions, the suction nozzle rotates with the rotating column, which can make it keep the same angle as the forceps head, facilitate its fitting with the inner wall of the uterine cavity, and make its blood sucking effect better and it easier to find the bleeding wound part.

[0011] Further, a piston is slidably arranged in the liquid suction tube, and a core rod is rotatably connected to the side of the piston away from the hose.

[0012] By adopting the above technical solutions, the core rod rotates with the piston, so that when the device stores too much blood, it can be offset to pull the core rod to make the blood extraction process not conflict with the clamp one and cause inconvenience.

[0013] Further, the rotating structure includes a torsion spring sleeved on the rotating column, both ends of the torsion spring are respectively fixedly connected with the clamp one and the rotating column, a limiting component is arranged between the clamp one and the forceps head, and a reset component is arranged in the clamp one.

[0014] By adopting the above technical solutions, the torsion spring facilitates the reset of the forceps head, making it more convenient when the forceps head is used or its inclination angle is adjusted.

[0015] Further, the limiting component includes a sliding column slidably connected inside the first clamp. The end of the sliding column located inside the first clamping head is fixedly connected with a limiting piece. One end of the sliding column close to the clamping head is fixedly connected with a semi-circular limiting block. A plurality of semi-circular limiting grooves are provided on the clamping head, and the semi-circular limiting block is adapted to the semi-circular limiting groove.

[0016] By adopting the above technical solution, when the clamping head rotates as it fits against the inner wall of the uterine cavity, the semi-circular limiting block and the semi-circular limiting groove are adapted to each other, which facilitates the clamping head to be adjusted to an appropriate angle and then limited to a certain extent, making it more closely fit the wound part during hemostasis and achieving a better hemostasis effect.

[0017] Further, the reset component includes a spring sleeved on the sliding column. The two ends of the spring are respectively fixedly connected with the semi-circular limiting block and the first clamp.

[0018] By adopting the above technical solution, the spring enables the semi-circular limiting block to abut against the inside of the semi-circular limiting groove, strengthening the limiting effect of the semi-circular limiting block on the clamping head and enabling the device to be used better.

[0019] Further, the positioning structure includes a scale bar fixedly connected to the first clamp. A positioning groove is formed on the second clamp. The scale bar is slidably arranged inside the positioning groove, and a fixing component is arranged between the scale bar and the second clamp.

[0020] By adopting the above technical solution, by clamping the scale bar between the second clamp and the pressing block, the hemostatic force can be controlled to a certain extent when the hemostatic forceps are used, reducing the damage to the inside of the uterine cavity caused by excessive and prolonged clamping force.

[0021] Further, a fixing screw is threadedly connected to the second clamp. The lower end of the fixing screw is fixedly connected with a limiting column. The limiting column is slidably connected to the second clamp. A T-shaped groove is formed on the scale bar. A pressing block is arranged inside the T-shaped groove. The pressing block is fixedly connected with the limiting column. A limiting plate is fixedly connected inside the T-shaped groove. Further, a dust-proof net is installed inside the inner frame, and the dust-proof net is attached to the fiberglass filter layer.

[0022] By adopting the above technical solution, rotate the fixing screw to drive the pressing block to press down on the scale bar, limit the scale bar to determine the positions of the first clamp and the second clamp, and enable the hemostatic forceps to maintain an appropriate force when hemostasis is performed.

[0023] In summary, the present application includes at least one of the following beneficial effects;

[0024] 1. In this application, when using this hemostat to stop bleeding for a patient with a uterine cavity tear, first insert the hemostat and the medical probe into the patient's body through the vagina. When reaching the uterine cavity, distinguish the wound by observing the bleeding situation on the inner wall of the uterine cavity. Then, attach the end of the hemostat to the bleeding inner wall, and drive the piston to move by pulling the core rod so that the blood on its surface is drawn into the inside of the liquid suction tube. When the device stops bleeding, it can absorb the surface blood and expose a part of the inner wall of the uterine cavity, enabling a more intuitive view of the bleeding position, facilitating the search for the wound area when using the hemostat, making the hemostasis faster and the use more convenient.

[0025] 2. In this application, before the hemostat stops bleeding inside the uterine cavity, the clamping head of the hemostat can be attached to the inner wall of the uterine cavity. The medical staff rotates the hand to drive the clamping head to rotate between the first clamp and the second clamp, and then limits the clamping head through the semi-circular limit groove and the semi-circular limit block, enabling the device to adjust the angle of the clamping head according to different wound positions inside the uterine cavity, making it easier for the clamping head to fit the wound during hemostasis and enhancing its hemostasis effect.

[0026] 3. In this application, when the hemostat stops bleeding at the wound, move the clamping head slowly from both sides of the wound for clamping, and observe the bleeding situation of the wound through the medical probe. When it just clamps until the bleeding stops, limit the scale bar through the fixing screw, so that the clamping head on the device maintains the existing angle, reducing the local damage caused by excessive clamping force during use, and making the device cause less harm to the uterine cavity during hemostasis. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a three-dimensional structural schematic diagram of a uterine cavity hemostat in this application;

[0028] Figure 2 is a liquid suction cross-sectional view of a uterine cavity hemostat in this application;

[0029] Figure 3 is a partial cross-sectional view of a uterine cavity hemostat in this application;

[0030] Figure 4 is in this application Figure 3 is an enlarged schematic view of part A in

[0031] Figure 5 is in this application Figure 3 is an enlarged schematic view of part B in

[0032] DESCRIPTION OF THE REFERENCE NUMERALS:

[0033] 1. Clamp 1; 2. Clamp 2; 3. Scale bar; 4. Fixing screw; 5. Rotating column; 6. Plier head; 7. Suction nozzle; 8. Suction tube; 9. Core rod; 10. Piston; 11. Hose; 12. Torsion spring; 13. Sliding column; 14. Spring; 15. Semi-circular limit block; 16. Limit piece; 17. Limit plate; 18. Limit column; 19. Pressing block; 20. Positioning pin. Detailed implementation mode

[0034] The following will further elaborate on this application in conjunction with the attached Figures 1-5 drawings.

[0035] An embodiment of this application discloses a uterine cavity hemostatic forceps.

[0036] Referring to Figure 1 , a uterine cavity hemostatic forceps includes Clamp 1, Clamp 1 is fixedly connected with a positioning pin 20, the positioning pin 20 is hinged with Clamp 2, both ends of Clamp 1 and Clamp 2 are rotatably connected with a rotating column 5, the end of the rotating column 5 is fixedly connected with a plier head 6, a rotating structure is arranged between the plier head 6 and Clamp 1, Clamp 2, a liquid suction structure is arranged on the plier head 6, and a positioning structure is arranged between Clamp 1 and Clamp 2.

[0037] When using this device to stop bleeding for a patient with cervical laceration bleeding, the user first puts the index finger and thumb into Clamp 1 and Clamp 2 respectively, and then inserts the entire hemostatic forceps into the vagina and into the uterine cavity. At this time, medical staff use a medical probe to illuminate and transmit images of the uterine cavity part, roughly distinguish the bleeding part by observing the amount of blood overflow in the uterine cavity, then move the end of the hemostatic forceps towards the bleeding part, make its plier head 6 contact with the uterine cavity, and extract the blood attached to the uterine cavity through the liquid suction structure, so that the surface condition can be clearly shown under the probe. Then open Clamp 1 and Clamp 2, find the bleeding part and slowly clamp it. When the blood vessels at the uterine cavity wound are compressed to stop bleeding, the current clamping degree is restricted through the positioning structure, so that the hemostatic forceps can be clamped with a lighter force during use to stop bleeding, reducing local damage caused by excessive clamping force.

[0038] Referring to Figure 2 And Figure 3 , the liquid suction structure includes a suction nozzle 7 fixedly connected to the rotating column 5, the end of the suction nozzle 7 is fixedly connected with a hose 11, one end of the hose 11 far from the suction nozzle 7 is fixedly connected with a suction tube 8, and the suction tube 8 is fixedly connected with Clamp 2. A piston 10 is slidably arranged in the suction tube 8, and a core rod 9 is rotatably connected to the side of the piston 10 far from the hose 11.

[0039] When the device is searching for the injured position in the uterine cavity, the clamp head 6 is fitted on the inner wall of the uterine cavity and rotated to an angle that is convenient for movement. At this time, the suction nozzle 7 rotates with the rotating column 5 to keep the same angle with the clamp head 6 and is also fitted near the uterine cavity. Then the middle finger replaces the index finger and is sleeved on the clamp 1. The core rod 9 is pulled by the index finger to drive the piston 10 to move in the direction of the core rod 9, so that the suction nozzle 7 generates suction to absorb the blood on the inner wall of the uterine cavity into the suction tube 8, exposing the surface of the uterine cavity. When repeatedly searching for the wound, as the blood in the suction tube 8 increases, the core rod 9 can be slightly rotated to extract blood, reducing the inconvenience caused by the conflict between the core rod 9 and the clamp 1 during absorption, and facilitating the hemostatic forceps to observe the inner wall at any time when searching for the wound in the uterine cavity, making it easier to find the wound in the uterine cavity when using it, and can stop bleeding more quickly.

[0040] Reference Figure 2 and Figure 4 The rotating structure includes a torsion spring 12 sleeved on the rotating column 5, and the two ends of the torsion spring 12 are fixedly connected to the clamp 1 and the rotating column 5 respectively. A limit assembly is arranged between the clamp 1 and the clamp head 6, and a reset assembly is arranged in the clamp 1. The limit assembly includes a sliding column 13 slidably connected to the inside of the clamp 1, and the end of the sliding column 13 located inside the clamp head 6 is fixedly connected to a limit plate 16, and one end of the sliding column 13 close to the clamp head 6 is fixedly connected to a semicircular limit block 15, and the clamp head 6 is provided with a plurality of semicircular limit grooves, and the semicircular limit block 15 is adapted to the semicircular limit grooves. The reset assembly includes a spring 14 sleeved on the sliding column 13, and the two ends of the spring 14 are fixedly connected to the semicircular limit block 15 and the clamp 1 respectively.

[0041] When the hemostatic forceps is used to stop bleeding inside the uterine cavity, the forceps head 6 can be attached to the inner wall of the uterine cavity, and the medical staff can rotate the clamp 1 and the clamp 2 by hand, so that the clamp 1 and the clamp 2 are rotated along the rotating column 5 to rotate the forceps head 6. At this time, the semicircular limiting groove on the forceps head 6 and the semicircular limiting block 15 on the clamp 1 are disengaged from the limiting groove, and the semicircular limiting groove is rotated to the next semicircular limiting groove as the semicircular limiting groove is rotated. At this time, the semicircular limiting block 15 is reset by the spring 14 and moves in the semicircular limiting groove, so that the two are in conflict with each other, so that the forceps head 6 can be rotated and adjusted to a certain extent according to different situations after entering the uterine cavity, so that it is more convenient to clamp and stop bleeding at the wound. When the angle of the forceps head 6 is adjusted, if it is found that the angle is adjusted too much, the hand can stop rotating when the semicircular limiting block 15 does not enter the next semicircular limiting groove, so that the torsion spring 12 drives the forceps head 6 back to the inside of the upper semicircular limiting groove, thereby improving the adjustment fault tolerance of the device during hemostasis.

[0042] Reference Figure 2 and Figure 4, the positioning structure includes a scale bar 3 fixedly connected to the first clamp 1. A positioning groove is provided on the second clamp 2. The scale bar 3 is slidably arranged inside the positioning groove, and a fixing component is arranged between the scale bar 3 and the second clamp 2. A fixing screw 4 is threadedly connected to the second clamp 2. The lower end of the fixing screw 4 is fixedly connected to a limiting post 18. The limiting post 18 is slidably connected to the second clamp 2. A T-shaped groove is provided on the scale bar 3. A pressing block 19 is arranged in the T-shaped groove. The pressing block 19 is fixedly connected to the limiting post 18. A limiting plate 17 is fixedly connected in the T-shaped groove.

[0043] When the hemostatic forceps clamps the wound inside the uterine cavity to stop bleeding, slowly clamp both sides of the wound. By observing the hemostasis situation of the wound, when the wound just stops bleeding as the blood vessels are under pressure, at this time, rotate the fixing screw 4 to make it move inside the second clamp 2, drive the limiting post 18 to press down the pressing block 19 on the rack. When the pressing block 19 is pressed down, it is embedded between the limiting plates 17 in the T-shaped groove on the scale bar 3, and the scale bar 3 is clamped between the second clamp 2 and the pressing block 19, so that the hemostatic forceps can control the hemostatic force to a certain extent during use, reducing the damage to the inside of the uterine cavity caused by excessive and prolonged clamping force.

[0044] Working principle: When using this device to stop bleeding for a patient with cervical laceration bleeding, the user first puts the index finger and thumb into the first clamp 1 and the second clamp 2 respectively, and then inserts the whole hemostatic forceps into the vagina and into the uterine cavity. At this time, the medical staff uses a medical probe to illuminate and transmit images of the uterine cavity part. By observing the amount of blood overflow in the uterine cavity, the bleeding site is roughly distinguished. Then move the end of the hemostatic forceps towards the bleeding site, and the clamp head 6 can be attached to the inner wall of the uterine cavity. By rotating the first clamp 1 and the second clamp 2 by the medical staff's hand, the first clamp 1 and the second clamp 2 rotate the clamp head 6 along the rotating column 5. At this time, the semi-circular limiting groove on the clamp head 6 is disengaged from the semi-circular limiting block 15 on the first clamp 1. As the semi-circular limiting rotates to the next semi-circular limiting groove, at this time, the semi-circular limiting block 15 moves into the semi-circular limiting groove under the reset of the spring 14, so that the two are in contact with each other. When adjusting the angle of the clamp head 6, when it is found that the angle adjustment is excessive, when the semi-circular limiting block 15 has not entered the next semi-circular limiting groove, the hand stops rotating, and the torsion spring 12 drives the clamp head 6 back into the previous semi-circular limiting groove.

[0045] When the clamp head 6 is attached to the inner wall of the uterine cavity, the suction nozzle 7 rotates along with the rotating column 5 and keeps the same angle as the clamp head 6, and also fits near the uterine cavity. Then, the middle finger replaces the index finger and is put into the first clamp 1, and the index finger pulls the core rod 9 to drive the piston 10 to move towards the core rod 9, generating suction at the suction nozzle 7 to suck the blood on the inner wall of the uterine cavity into the liquid suction tube 8, exposing the surface of the uterine cavity. When repeatedly searching for the wound, as the blood in the liquid suction tube 8 increases, the core rod 9 can be slightly rotated and then the blood can be extracted.

[0046] Make the situation on its surface clearly shown under the probe, and then use a hemostatic forceps to clamp and stop bleeding the wound inside the uterine cavity. Slowly clamp both sides of the wound. By observing the hemostasis situation of the wound, when the wound just stops bleeding as the blood vessels are under pressure, at this time, rotate the fixing screw 4 to make it move inside the second clamp 2, drive the limit post 18 to make the pressing block 19 press down on the rack. When the pressing block 19 presses down, it is between the limit plates 17 embedded in the T-shaped grooves on the scale bar 3, and the scale bar 3 is clamped between the second clamp 2 and the pressing block 19.

Claims

1. An intrauterine hemostatic forceps, comprising a clamp (1), characterized in that: The clamp one (1) is fixedly connected to a positioning pin (20), the positioning pin (20) is hinged to the clamp two (2), the ends of the clamp one (1) and the clamp two (2) are both rotatably connected to a rotating column (5), the end of the rotating column (5) is fixedly connected to a clamp head (6), a rotating structure is arranged between the clamp head (6) and the clamp one (1) and the clamp two (2), a liquid suction structure is arranged on the clamp head (6), and a positioning structure is arranged between the clamp one (1) and the clamp two (2).

2. The intrauterine hemostatic forceps according to claim 1, characterized in that: The liquid suction structure comprises a suction nozzle (7) fixedly connected to a rotating column (5); a hose (11) is fixedly connected to the end of the suction nozzle (7); an end of the hose (11) away from the suction nozzle (7) is fixedly connected to a suction pipe (8); and the suction pipe (8) is fixedly connected to the second clamp (2).

3. The intrauterine hemostatic forceps according to claim 2, characterized in that: A piston (10) is slidably arranged inside the liquid suction tube (8), and a core rod (9) is rotatably connected to the side of the piston (10) away from the hose (11).

4. The intrauterine hemostatic forceps according to claim 1, characterized in that: The rotating structure comprises a torsion spring (12) sleeved on a rotating column (5), the two ends of the torsion spring (12) being fixedly connected to the clamp 1 (1) and the rotating column (5) respectively, a limit position component being arranged between the clamp 1 (1) and the clamp head (6), and a reset component being arranged inside the clamp 1 (1).

5. The intrauterine hemostatic forceps according to claim 4, characterized in that: The limiting assembly comprises a sliding column (13) slidably connected inside the clamp (1); the end of the sliding column (13) located inside the clamp head (6) is fixedly connected to a limiting plate (16); one end of the sliding column (13) close to the clamp head (6) is fixedly connected to a semicircular limiting block (15); a plurality of semicircular limiting grooves are provided on the clamp head (6); and the semicircular limiting blocks (15) are adapted to the semicircular limiting grooves.

6. The intrauterine hemostatic forceps according to claim 4, characterized in that: The reset assembly comprises a spring (14) sleeved on a sliding column (13), and two ends of the spring (14) are respectively fixedly connected to a semicircular limit block (15) and a clamp 1 (1).

7. The intrauterine hemostatic forceps according to claim 1, characterized in that: The positioning structure comprises a ruler (3) fixedly connected to the first clamp (1); the second clamp (2) is provided with a positioning groove; the ruler (3) is slidably arranged inside the positioning groove; and a fixing component is arranged between the ruler (3) and the second clamp (2).

8. The intrauterine hemostatic forceps according to claim 7, characterized in that: The second clamp (2) is threadedly connected with a fixing screw (4), the lower end of the fixing screw (4) is fixedly connected to a limiting column (18), the limiting column (18) is slidably connected to the second clamp (2), a T-shaped slot is provided on the ruler (3), a lower pressing block (19) is arranged in the T-shaped slot, the lower pressing block (19) is fixedly connected to the limiting column (18), and a limiting plate (17) is fixedly connected in the T-shaped slot.

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