Uterine cavity dosing device

Abstract

The utility model relates to the technical field of uterine cavity administration, in particular to a uterine cavity administration device which comprises a tube body, an expansion ball is fixedly arranged on the side face of the tube body, four expansion blocks are arranged in the expansion ball, supporting rods are fixedly arranged on one sides of the four expansion blocks, first sliding blocks are fixedly arranged at one ends of the four supporting rods, and second sliding blocks are fixedly arranged at the other ends of the four supporting rods. A mounting base is fixedly arranged in the pipe body, four first sliding grooves are formed in the mounting base, the interiors of the four first sliding grooves are slidably connected with the side faces of four first sliding blocks correspondingly, push-pull rods are hinged to one sides of the four first sliding blocks correspondingly, and rotating rings are arranged at one ends of the four push-pull rods; the device has the advantages that the sealing area of the expansion ball can be conveniently adjusted, discomfort of a patient caused by the fact that the sealing area of the expansion ball is too large or leakage of liquid medicine caused by the fact that the sealing area of the expansion ball is too small is avoided, and therefore the application range of the device is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of intrauterine drug administration, in particular to an intrauterine drug administration device. Background Art

[0002] When the patient's uterine cavity needs to be medicated, an intrauterine medicating device is required. The existing intrauterine medicating device usually pushes a medicating tube into the uterine cavity, and pushes the medicated liquid in the medicating tube into the uterine cavity.

[0003] After checking, the public announcement number: CN212730689U discloses a self-service intrauterine drug delivery device, including a tube body, a first sphere and a second sphere. The tube body is a hollow structure, and a drug outlet is opened at the top of the tube body. The tube body passes through the center of the first sphere and is fixedly connected to the first sphere. The second sphere is sleeved on the tube body and can slide on the tube body; the inner diameter of the second sphere gradually increases from the top of the tube body to the end of the tube body. This technology discloses that "the utility model can adapt to the size of the vaginal opening or the depth of the vagina of different users during the drug delivery process, without the need to use vaginal dilators or cervical clamps, and without the need to use air or water filling devices, reducing additional devices and reducing the chance of infection."

[0004] When an existing self-service intrauterine drug delivery device is in use, the sizes of the first sphere and the second sphere are constant. When the patient's vaginal opening is wide, the first sphere and the second sphere have poor blocking ability on the vaginal opening, which easily leads to leakage of drug solution. When the patient's vaginal opening is narrow, the first sphere and the second sphere will cause pain to the patient when moving in the vaginal opening, which reduces the application range of the device.

[0005] In order to solve the above problems, the present application proposes an intrauterine drug delivery device. Utility Model Content

[0006] To solve the problems raised in the above background technology. The utility model provides an intrauterine drug delivery device, which can easily adjust the sealing area of ​​the expansion ball, avoiding discomfort to the patient caused by the expansion ball sealing area being too large, or leakage of the drug solution caused by the expansion ball sealing area being too small, thereby improving the application range of the device, avoiding the reflux of the drug solution, and improving the drug delivery effect of the device.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an intrauterine drug delivery device, comprising a tube body, an expansion ball is fixedly provided on the side of the tube body, four expansion blocks are provided inside the expansion ball, one side of the four expansion blocks are fixedly provided with a support rod, one end of the four support rods are fixedly provided with a first slider, a mounting seat is fixedly provided inside the tube body, four first sliding grooves are opened inside the mounting seat, the interior of the four first sliding grooves are respectively slidably connected to the side surfaces of the four first sliders, one side of the four first sliders are hinged with a push-pull rod, one end of the four push-pull rods is provided with a rotating ring, the side surfaces of the rotating ring are respectively hinged to one end of the four push-pull rods, the inner side of the rotating ring is rotatably connected to a rotating rod, the internal thread of the rotating rod is connected to a threaded rod, and one end of the threaded rod is fixedly connected to one side of the mounting seat.

[0008] As a preferred intrauterine drug delivery device of the utility model, a placement groove is opened on one side of the tube body, the interior of the placement groove fits with the side of the rotating rod, and a first handle is fixedly provided on the side of the rotating rod, and the first handle is convenient for driving the rotating rod to rotate.

[0009] As a preferred embodiment of the intrauterine drug delivery device of the utility model, four connecting holes are provided on the side of the tube body, and the insides of the four connecting holes are respectively fitted with the side surfaces of four support rods. The support rods facilitate the movement of the expansion block.

[0010] As a preferred intrauterine drug delivery device of the utility model, a drug inlet is provided on one side of the tube body, a drug inlet tube is fixedly provided inside the drug inlet, a drug outlet is provided on the other side of the tube body, the inside of the drug outlet is fixedly connected to one end of the drug inlet tube, and the drug inlet tube is convenient for placing the medicine liquid tube.

[0011] As a preferred intrauterine drug delivery device of the utility model, a limit block is fixedly provided on the side of the drug feeding tube, and the bottom end of the limit block is fixedly connected to the inside of the tube body, so that the limit block is convenient for limiting the position of the drug feeding tube.

[0012] As a preferred intrauterine drug delivery device of the utility model, a slide rail is fixedly provided inside the tube body, a second slide groove is opened on one side of the slide rail, a second slider is slidably connected inside the second slide groove, an extrusion rod is fixedly provided at the bottom end of the second slider, an extrusion block is fixedly provided at the bottom end of the extrusion rod, an extrusion groove is opened at the top end of the limit block, the interior of the extrusion groove is fitted with the side of the extrusion block, and the extrusion block facilitates sealing the medicine feeding tube.

[0013] As a preferred intrauterine drug delivery device of the utility model, a movable rod is hinged on one side of the second slider, a push rod is hinged on the top of the movable rod, a through hole is opened inside the mounting seat, the inside of the through hole fits with the side of the push rod, and the push rod facilitates the movable rod to move.

[0014] As a preferred intrauterine drug delivery device of the utility model, a fixing hole is opened on one side of the tube body, the interior of the fixing hole fits with the side of the push rod, and a second handle is fixed on the side of the push rod to facilitate the movement of the push rod.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. Turn the first handle to drive the rotating rod to move to the left, thereby driving the expansion block to move outward, and expanding the expansion ball through the expansion block, thereby increasing the sealing area of ​​the expansion ball. Reverse the first handle to drive the rotating rod to move to the right, thereby driving the expansion block to move into the tube body, thereby reducing the sealing area of ​​the expansion ball, so that the device is easy to adjust the sealing area of ​​the expansion ball, avoiding the expansion ball sealing area being too large to cause patient discomfort, or the expansion ball sealing area being too small to cause liquid leakage, thereby improving the application range of the device;

[0017] 2. The medicine inlet tube is a soft tube. When the medicine tube finishes injecting the medicine, the medicine tube is pulled out. At this time, the medicine is easy to flow back. When the medicine tube is pulled out a short distance, the push rod is pushed, thereby driving the push rod to move to the left, thereby driving the movable rod to move to the left, and the second slider is squeezed by the movable rod, thereby driving the second slider to move downward, thereby driving the squeezing rod to move downward, thereby driving the squeezing block to move downward, and squeezing the medicine inlet tube through the squeezing block, so that the medicine inlet tube is sealed, thereby avoiding the reflux of the medicine and improving the drug delivery effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the expansion ball of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the tube body of the utility model;

[0022] Figure 4 This is a schematic diagram of the installation structure of the expansion block of the utility model;

[0023] Figure 5 This is a schematic diagram of the installation structure of the extrusion block of the utility model.

[0024] In the figure:

[0025] 1. Tube body; 2. Expansion ball; 3. Expansion block; 4. Support rod; 5. First slider; 6. Mounting seat; 7. Push-pull rod; 8. Rotating ring; 9. Rotating rod; 10. Threaded rod; 11. First handle; 12. Medicine inlet tube; 13. Limit block; 14. Slide rail; 15. Second slider; 16. Extrusion rod; 17. Movable rod; 18. Push rod; 19. Second handle; 20. Extrusion block. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1

[0028] like Figure 1-Figure 5 As shown;

[0029] A uterine cavity drug delivery device comprises a tube body.

[0030] After checking, the public announcement number: CN212730689U discloses a self-service intrauterine drug delivery device, including a tube body, a first sphere and a second sphere. The tube body is a hollow structure, and a drug outlet is opened at the top of the tube body. The tube body passes through the center of the first sphere and is fixedly connected to the first sphere. The second sphere is sleeved on the tube body and can slide on the tube body; the inner diameter of the second sphere gradually increases from the top of the tube body to the end of the tube body. This technology discloses that "the utility model can adapt to the size of the vaginal opening or the depth of the vagina of different users during the drug delivery process, without the need to use vaginal dilators or cervical clamps, and without the need to use air or water filling devices, reducing additional devices and reducing the chance of infection."

[0031] When an existing self-service intrauterine drug delivery device is in use, the sizes of the first sphere and the second sphere are constant. When the patient's vaginal opening is wider, the first sphere and the second sphere have poor blocking ability on the vaginal opening, which can easily lead to leakage of the drug solution. When the patient's vaginal opening is narrower, the first sphere and the second sphere will cause pain to the patient when moving in the vaginal opening, making the application range of the device lower. Combined with actual use, this problem is obviously a real problem that is difficult to solve. In view of this, in order to solve this technical problem, an expansion block and a support rod are added to the application document.

[0032] According to the above content, in order to solve the problem that the size of the ball is fixed and cannot be adjusted, resulting in a low scope of application of the device, it also includes a tube body 1, an expansion ball 2 is fixedly arranged on the side of the tube body 1, four expansion blocks 3 are arranged inside the expansion ball 2, one side of the four expansion blocks 3 is fixedly arranged with a support rod 4, one end of the four support rods 4 is fixedly arranged with a first slider 5, the inside of the tube body 1 is fixedly provided with a mounting seat 6, four first sliding grooves are opened inside the mounting seat 6, the inside of the four first sliding grooves are respectively slidably connected to the side of the four first sliders 5, one side of the four first sliders 5 is hinged with a push-pull rod 7, one end of the four push-pull rods 7 is provided with a rotating ring 8, the side of the rotating ring 8 is respectively hinged to one end of the four push-pull rods 7, the inner side of the rotating ring 8 is rotatably connected to a rotating rod 9, the internal thread of the rotating rod 9 is connected to a threaded rod 10, and one end of the threaded rod 10 is fixedly connected to one side of the mounting seat 6.

[0033] In this embodiment: the expansion ball 2 is made of silicone and has a certain elasticity. The tube body 1 is placed in the patient's vaginal opening, and the first handle 11 is rotated to drive the rotating rod 9 to rotate, so that the threaded rod 10 is retracted into the rotating rod 9, so that the rotating rod 9 moves to the left, and the push-pull rod 7 is prevented from affecting the rotation of the rotating rod 9 by the rotating ring 8. When the rotating rod 9 moves, the push-pull rod 7 is driven to move, and the first slider 5 is pushed by the push-pull rod 7 to move in the first slide groove, thereby driving the support rod 4 to move outside the tube body 1, thereby driving the expansion block 3 to move outward, and expanding the expansion ball 2 through the expansion block 3, so that the sealing area of ​​the expansion ball 2 is increased, and the first handle 11 is reversed, thereby driving the rotating rod 9 to reverse, so that the rotating rod 9 moves to the right. When the rotation When the rod 9 moves in the opposite direction, it will drive the push-pull rod 7 to move in the opposite direction, and the push-pull rod 7 will push the first sliding block 5 to move in the opposite direction in the first sliding groove, thereby driving the support rod 4 to move into the tube body 1, thereby driving the expansion block 3 to move into the tube body 1, thereby reducing the sealing area of ​​the expansion ball 2, so that the sealing area of ​​the expansion ball 2 can be adjusted. When it is adjusted to a suitable size, the tube body 1 is driven to move into the vaginal opening, and the medicine tube is placed in the medicine inlet tube 12. The medicine is injected into the medicine tube through a syringe, etc., so that the medicine enters the uterine cavity, so that the device is easy to adjust the sealing area of ​​the expansion ball 2, avoiding the expansion ball 2 The sealing area is too large to cause discomfort to the patient, or the expansion ball 2 is too small to cause leakage of the medicine, thereby improving the scope of application of the device.

[0034] In an optional embodiment: a placement groove is opened on one side of the tube body 1, the interior of the placement groove fits with the side of the rotating rod 9, and a first handle 11 is fixedly provided on the side of the rotating rod 9.

[0035] In this embodiment: the rotating rod 9 is convenient for driving the push-pull rod 7 to move.

[0036] In an optional embodiment: four connecting holes are opened on the side of the tube body 1, and the insides of the four connecting holes are respectively fitted with the side surfaces of the four support rods 4.

[0037] In this embodiment: the support rod 4 is convenient for driving the expansion block 3 to move.

[0038] In an optional embodiment: a drug inlet is opened on one side of the tube body 1, and a drug inlet tube 12 is fixedly installed inside the drug inlet; a drug outlet is opened on the other side of the tube body 1, and the inside of the drug outlet is fixedly connected to one end of the drug inlet tube 12.

[0039] In this embodiment, the medicine inlet pipe 12 is convenient for placing the medicine liquid pipe to prevent the medicine liquid pipe from being contaminated.

[0040] In an optional embodiment: a limiting block 13 is fixedly provided on the side of the medicine inlet tube 12 , and the bottom end of the limiting block 13 is fixedly connected to the inside of the tube body 1 .

[0041] In this embodiment, the limiting block 13 is convenient for limiting the position of the medicine feeding tube 12 and the extrusion block 20 .

[0042] In an optional embodiment: a slide rail 14 is fixedly provided inside the tube body 1, a second slide groove is opened on one side of the slide rail 14, a second slider 15 is slidably connected inside the second slide groove, an extrusion rod 16 is fixedly provided at the bottom end of the second slider 15, an extrusion block 20 is fixedly provided at the bottom end of the extrusion rod 16, an extrusion groove is opened at the top end of the limit block 13, and the inside of the extrusion groove fits with the side of the extrusion block 20.

[0043] In this embodiment, the slide rail 14 is convenient for improving the stability of the second slider 15 when it moves, and the second slider 15 is convenient for driving the squeezing rod 16 to move downward, thereby driving the squeezing block 20 to move downward, squeezing the medicine inlet tube 12, so that the medicine inlet tube 12 is sealed.

[0044] In an optional embodiment: a movable rod 17 is hinged on one side of the second slider 15, a push rod 18 is hinged on the top of the movable rod 17, a through hole is opened inside the mounting seat 6, and the inside of the through hole fits with the side of the push rod 18.

[0045] In this embodiment, the push rod 18 facilitates pushing the movable rod 17 , thereby driving the second sliding block 15 to move downward.

[0046] In an optional embodiment: a fixing hole is opened on one side of the tube body 1 , the interior of the fixing hole fits with the side of the push rod 18 , and a second handle 19 is fixedly provided on the side of the push rod 18 .

[0047] In this embodiment, the second handle 19 facilitates the push rod 18 to move.

[0048] The working principle and use process of the utility model are as follows: the expansion ball 2 is made of silicone and has a certain elasticity. The tube body 1 is placed in the patient's vaginal opening, and the first handle 11 is rotated to drive the rotating rod 9 to rotate, so that the threaded rod 10 is retracted into the rotating rod 9, so that the rotating rod 9 moves to the left, and the push-pull rod 7 is prevented from affecting the rotation of the rotating rod 9 by the rotating ring 8. When the rotating rod 9 moves, the push-pull rod 7 is driven to move, and the first slider 5 is pushed by the push-pull rod 7 to move in the first slide groove, thereby driving the support rod 4 to move outward from the tube body 1, thereby driving the expansion block 3 to move outward, and expanding the expansion ball 2 by the expansion block 3, thereby increasing the sealing area of ​​the expansion ball 2, and reversing the first handle 11 to drive the rotating rod 9 to reverse and move the rotating rod 9 to the right. When the rotating rod 9 moves in the opposite direction, the push-pull rod 7 is driven to move in the opposite direction, and the first slider 5 is pushed by the push-pull rod 7 to move in the opposite direction in the first slide groove, thereby driving the support rod 4 to move into the tube body 1, thereby driving the expansion block 3 to move into the tube body 1, thereby reducing the sealing area of ​​the expansion ball 2, thereby The sealing area of ​​the expansion ball 2 is adjustable. When it is adjusted to a suitable size, the tube body 1 is driven to move into the vaginal opening, the liquid medicine tube is placed in the medicine inlet tube 12, and the liquid medicine is injected into the liquid medicine tube through a syringe, so that the liquid medicine enters the uterine cavity, so that the device is easy to adjust the sealing area of ​​the expansion ball 2, avoiding discomfort to the patient caused by too large a sealing area of ​​the expansion ball 2, or leakage of the liquid medicine caused by too small a sealing area of ​​the expansion ball 2, thereby improving the application range of the device. The medicine inlet tube 12 is a hose. When the liquid medicine tube is injected with liquid medicine, The medicine tube is pulled out, and the medicine is easy to flow back. When the medicine tube is pulled out a short distance, the push rod 18 is pushed, thereby driving the push rod 18 to move to the left, thereby driving the movable rod 17 to move to the left, and the second slider 15 is squeezed by the movable rod 17, thereby driving the second slider 15 to move downward, thereby driving the squeezing rod 16 to move downward, thereby driving the squeezing block 20 to move downward, and the squeezing block 20 squeezes the medicine inlet tube 12, so that the medicine inlet tube 12 is sealed, thereby avoiding the reflux of the medicine and improving the drug delivery effect of the device.

[0049] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A uterine cavity drug delivery device, comprising a tubular body (1), characterized in that: An expansion ball (2) is fixedly provided on the side of the tube body (1), and four expansion blocks (3) are provided inside the expansion ball (2). Support rods (4) are fixedly provided on one side of the four expansion blocks (3). One end of the four support rods (4) is fixedly provided with a first slider (5). A mounting seat (6) is fixedly provided inside the tube body (1). Four first sliding grooves are provided inside the mounting seat (6). The inside of the four first sliding grooves are respectively slidably connected to the side of the four first sliders (5). One side of the four first sliders (5) is hinged with a push-pull rod (7). One end of the four push-pull rods (7) is provided with a rotating ring (8). The side of the rotating ring (8) is respectively hinged to one end of the four push-pull rods (7). The inner side of the rotating ring (8) is rotatably connected to a rotating rod (9). The inner side of the rotating rod (9) is threadedly connected to a threaded rod (10). One end of the threaded rod (10) is fixedly connected to one side of the mounting seat (6).

2. The intrauterine drug delivery device according to claim 1, characterized in that: A placement groove is provided on one side of the tube body (1), the interior of the placement groove fits with the side of the rotating rod (9), and a first handle (11) is fixedly provided on the side of the rotating rod (9).

3. The intrauterine drug delivery device according to claim 1, characterized in that: Four connection holes are provided on the side of the tube body (1), and the insides of the four connection holes are respectively fitted with the side surfaces of four support rods (4).

4. The intrauterine drug delivery device according to claim 1, characterized in that: A drug inlet is provided on one side of the tube body (1), a drug inlet tube (12) is fixedly provided inside the drug inlet, and a drug outlet is provided on the other side of the tube body (1), the inside of the drug outlet is fixedly connected to one end of the drug inlet tube (12).

5. The intrauterine drug delivery device according to claim 4, characterized in that: A limiting block (13) is fixedly provided on the side of the medicine inlet pipe (12), and the bottom end of the limiting block (13) is fixedly connected to the inside of the pipe body (1).

6. The intrauterine drug delivery device according to claim 5, characterized in that: A slide rail (14) is fixedly provided inside the tube body (1), a second slide groove is provided on one side of the slide rail (14), a second slider (15) is slidably connected inside the second slide groove, an extrusion rod (16) is fixedly provided at the bottom end of the second slider (15), an extrusion block (20) is fixedly provided at the bottom end of the extrusion rod (16), an extrusion groove is provided at the top end of the limit block (13), and the inside of the extrusion groove is in contact with the side surface of the extrusion block (20).

7. The intrauterine drug delivery device according to claim 6, characterized in that: A movable rod (17) is hinged on one side of the second sliding block (15), a push rod (18) is hinged on the top end of the movable rod (17), a through hole is provided inside the mounting seat (6), and the inside of the through hole fits with the side surface of the push rod (18).

8. The intrauterine drug delivery device according to claim 7, characterized in that: A fixing hole is provided on one side of the tube body (1), the interior of the fixing hole is fitted with the side of the push rod (18), and a second handle (19) is fixedly provided on the side of the push rod (18).

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