Test tube baby egg taking device

Abstract

The utility model discloses a test tube baby ovum extractor, which relates to the technical field of medical instruments and comprises an extraction needle cylinder, the right end of the extraction needle cylinder is fixedly connected with a three-way catheter, the right end of the three-way catheter is fixedly connected with a puncture needle, and the bottom end of the three-way catheter is fixedly connected with a connecting mechanism. And a storage pipe is fixedly installed at the bottom end of the connecting mechanism, a drawing piston is slidably connected to the left side of the inner wall of the drawing needle cylinder, and a buckling and pulling ring is slidably connected to the outer surface of the drawing needle cylinder. The connecting pipe is inserted into the connecting sleeve, the connecting pipe can be fixed through the semicircular clamping plate, sealing can be conducted by extruding the sealing ring, and when the connecting pipe is detached, the semicircular clamping plate can be driven to retract only by rotating the U-shaped lantern ring, so that fixing of the connecting pipe can be relieved, and the connecting pipe can be conveniently detached. The storage tube is convenient to disassemble, and the test tube baby egg taking device is convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to an egg extractor for test-tube babies. Background Art

[0002] With the development of medical technology, in vitro fertilization has been favored by many infertile patients. In vitro fertilization refers to the use of artificial methods to fertilize eggs and sperm in vitro, and to carry out early embryonic development, which is then transplanted into the mother's uterus to develop and give birth to a baby. An egg retrieval device is required during the egg retrieval.

[0003] The existing technology has the following problems:

[0004] When the existing in vitro fertilization egg retrieval device is in use, the retrieved eggs will be sent to the storage tube. The connection between the existing egg retrieval device and the storage tube is very tight. After the connection, it is not easy to remove the storage tube. At the same time, the existing in vitro fertilization egg retrieval device will extract eggs through an extraction syringe, but the position of the buckle pull ring on the extraction syringe is fixed, and the hand sizes of different medical staff are different. Therefore, when different medical staff use it, it is very inconvenient and is not conducive to the use function of the in vitro fertilization egg retrieval device. Utility Model Content

[0005] The utility model provides an in vitro fertilization egg extractor to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A test tube baby egg retrieval device comprises an extraction syringe, the right end of the extraction syringe is fixedly connected to a three-way catheter, the right end of the three-way catheter is fixedly connected to a puncture needle, the bottom end of the three-way catheter is fixedly connected to a connecting mechanism, the bottom end of the connecting mechanism is fixedly installed with a storage tube, the left side of the inner wall of the extraction syringe is slidably connected to a pulling piston, and the outer surface of the extraction syringe is slidably connected to a buckle pull ring.

[0008] The connecting mechanism includes a connecting sleeve, which is fixedly connected to the bottom end of the three-way conduit, a sealing ring is fixedly connected to the upper inner wall of the connecting sleeve, a connecting pipe is slidably inserted below the inner wall of the connecting sleeve, the bottom end of the connecting pipe is fixedly connected to the top end of the storage pipe, an annular groove is provided on the outer surface of the connecting pipe, a U-shaped ring is turned out and sleeved on the outer surface of the connecting sleeve, and a plurality of fixing mechanisms are movably connected to the annular array on the lower side of the inner wall of the U-shaped ring.

[0009] A further improvement of the technical solution of the utility model is that the fixing mechanism includes a pulling plate, which is movably connected to the lower side of the inner wall of the U-shaped ring, and one end of the pulling plate away from the U-shaped ring is movably connected to a semicircular clamping plate, and the semicircular clamping plate is slidably connected to the inside of the connecting sleeve and extends to the inside of the annular groove.

[0010] A further improvement of the technical solution of the utility model is that a tensioning spring is fixedly connected to one side of the semicircular clamping plate away from the annular groove, there are two tensioning springs, and one end of the tensioning spring away from the semicircular clamping plate is fixedly connected to the inside of the connecting sleeve.

[0011] A further improvement of the technical solution of the utility model is that the buckle pull ring includes a sliding groove, and the sliding groove has two sliding grooves respectively opened on the upper and lower sides of the outer surface of the extraction syringe, and the sliding pull plate is slidably connected inside the sliding groove, and a through hole penetrating from front to back is opened in the middle of the sliding pull plate.

[0012] A further improvement of the technical solution of the utility model is that: limiting grooves are provided on both the front and rear sides of the sliding groove away from the outer surface of the extraction syringe, and the left and right sides of the sliding pull plate close to the extraction syringe are fixedly connected to limiting plates, and the limiting plates are slidably connected to the inside of the limiting groove.

[0013] A further improvement of the technical solution of the utility model is that a plurality of positioning grooves are provided on a side of the sliding plate away from the outer surface of the extraction syringe, and a positioning mechanism is movably connected to the right side of the sliding plate.

[0014] A further improvement of the technical solution of the utility model is that: the positioning mechanism includes an extrusion block, which is slidably connected to the right side of the sliding pull plate and extends to the inside of the sliding pull plate, the left end of the extrusion block is fixedly connected to an extrusion spring, the left end of the extrusion spring is fixedly connected to the inside of the sliding pull plate, the middle part of the left end of the extrusion block is fixedly connected to a sliding column, and the extrusion spring is arranged on the side of the sliding column.

[0015] A further improvement of the technical solution of the utility model is that: a pulling rod is movably connected to the bottom of the left end of the sliding column, and a sliding top plate is movably connected to the bottom end of the sliding column, and the sliding top plate is slidably connected to the inside of the sliding pull plate, and positioning blocks are fixedly connected to the left and right sides of the bottom end of the sliding top plate, and the bottom end of the positioning block extends to the inside of the positioning groove.

[0016] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0017] 1. The utility model provides an in vitro fertilization egg retrieval device. Through the mutual cooperation among a connecting sleeve, a sealing ring, a connecting tube, an annular groove, a U-shaped sleeve, a pulling plate, a semicircular clamping plate, and a tightening spring, the connecting tube is inserted into the interior of the connecting sleeve, the connecting tube can be fixed by the semicircular clamping plate, and can be sealed by squeezing the sealing ring. When removing, the semicircular clamping plate can be driven to retract by rotating the U-shaped sleeve, thereby releasing the fixation of the connecting tube, facilitating the removal of the storage tube, and facilitating the use of the in vitro fertilization egg retrieval device.

[0018] 2. The utility model provides an in vitro fertilization egg retrieval device, which facilitates pushing the extraction piston in the extraction syringe by pulling the buckle ring through the mutual cooperation between the sliding groove, the sliding pull plate, the limit groove, the limit plate, the positioning groove and the positioning mechanism. At the same time, the position of the buckle ring can be adjusted by sliding the sliding pull plate in the sliding groove, and the position of the sliding pull plate after adjustment can be fixed by the positioning mechanism, which facilitates the change of the position of the buckle ring according to different medical staff, making the use of the in vitro fertilization egg retrieval device more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 It is a cross-sectional structural diagram of the connection mechanism of the utility model;

[0021] Figure 3 It is an enlarged structural schematic diagram of the fixing mechanism of the utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the extraction syringe of the utility model;

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the sliding pull plate of the utility model.

[0024] In the figure: 1. extraction syringe; 2. three-way catheter; 3. puncture needle; 4. connecting mechanism; 41. connecting sleeve; 42. sealing ring; 43. connecting tube; 44. annular groove; 45. U-shaped ring; 46. fixing mechanism; 461. pulling plate; 462. semicircular clamping plate; 463. tightening spring; 5. storage tube; 6. pulling piston; 7. buckle pull ring; 71. sliding groove; 72. sliding pull plate; 73. limiting groove; 74. limiting plate; 75. positioning groove; 76. positioning mechanism; 761. extrusion block; 762. extrusion spring; 763. sliding column; 764. pulling rod; 765. sliding top plate; 766. positioning block. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods:

[0026] like Figure 1 As shown, the utility model provides an in vitro fertilization egg retrieval device, comprising an extraction syringe 1, a three-way catheter 2 is fixedly connected to the right end of the extraction syringe 1, a puncture needle 3 is fixedly connected to the right end of the three-way catheter 2, a connecting mechanism 4 is fixedly connected to the bottom end of the three-way catheter 2, a storage tube 5 is fixedly installed at the bottom end of the connecting mechanism 4, a pulling piston 6 is slidably connected to the left side of the inner wall of the extraction syringe 1, and a buckle pull ring 7 is slidably connected to the outer surface of the extraction syringe 1;

[0027] When the in vitro fertilization egg retrieval device is used, the puncture needle 3 will be inserted into the interior of the ovary, and by pulling the buckle ring 7, it is convenient to push the extraction piston 6 in the extraction syringe 1, so that the egg can be extracted. The egg will enter the storage tube 5 through the puncture needle 3 and the three-way catheter 2. The storage tube 5 can be removed through the connecting mechanism 4, thereby completing the extraction of the egg.

[0028] like Figure 2-3 As shown, the utility model provides an in vitro fertilization egg retrieval device, the connecting mechanism 4 includes a connecting sleeve 41, the connecting sleeve 41 is fixedly connected to the bottom end of the three-way catheter 2, a sealing ring 42 is fixedly connected to the upper inner wall of the connecting sleeve 41, a connecting tube 43 is slidably inserted at the lower inner wall of the connecting sleeve 41, the bottom end of the connecting tube 43 is fixedly connected to the top end of the storage tube 5, an annular groove 44 is provided on the outer surface of the connecting tube 43, a U-shaped collar 45 is turned out of the outer surface of the connecting sleeve 41, and a plurality of fixed rings 45 are movably connected to the lower inner wall of the U-shaped collar 45. Mechanism 46, the fixing mechanism 46 includes a pulling plate 461, the pulling plate 461 is movably connected to the lower side of the inner wall of the U-shaped ring 45, and the end of the pulling plate 461 away from the U-shaped ring 45 is movably connected to a semicircular clamping plate 462, the semicircular clamping plate 462 is slidably connected to the inside of the connecting sleeve 41 and extends to the inside of the annular groove 44, and the side of the semicircular clamping plate 462 away from the annular groove 44 is fixedly connected to a tightening spring 463, the number of the tightening springs 463 is two, and the end of the tightening spring 463 away from the semicircular clamping plate 462 is fixedly connected to the inside of the connecting sleeve 41;

[0029] When connecting the storage tube 5, the connecting tube 43 is inserted into the interior of the connecting sleeve 41. Under the pushing of the tightening spring 463, the semicircular clamping plate 462 can be close to the interior of the annular groove 44, so that the connecting tube 43 can be fixed by the semicircular clamping plate 462. At the same time, the connecting tube 43 can achieve a sealing effect by squeezing the sealing ring 42. When removing the storage tube 5, only the U-shaped ring 45 needs to be rotated to pull the semicircular clamping plate 462 back into the interior of the connecting sleeve 41 through the pulling plate 461, thereby releasing the fixation of the connecting tube 43 and facilitating the removal of the storage tube 5.

[0030] like Figure 4 As shown, the utility model provides an in vitro fertilization egg retrieval device, the buckle pull ring 7 includes a sliding groove 71, and the sliding groove 71 has two sliding grooves 71 respectively opened on the upper and lower sides of the outer surface of the extraction syringe 1, and a sliding pull plate 72 is slidably connected inside the sliding groove 71, and a through hole penetrating front and back is opened in the middle of the sliding pull plate 72, and limiting grooves 73 are opened on the front and back sides of the side of the sliding groove 71 away from the outer surface of the extraction syringe 1, and the left and right sides of the end of the sliding pull plate 72 close to the extraction syringe 1 are fixedly connected to the limiting plate 74, and the limiting plate 74 is slidably connected to the inside of the limiting groove 73, and a plurality of positioning grooves 75 are opened on the side of the sliding pull plate 72 away from the outer surface of the extraction syringe 1, and a positioning mechanism 76 is movably connected to the right side of the sliding pull plate 72;

[0031] By pulling the buckle ring 7, it is convenient to push the withdrawal piston 6 in the extraction syringe 1, and at the same time, the position of the buckle ring 7 can be adjusted by the sliding of the sliding plate 72 in the sliding groove 71, and the sliding of the limiting plate 74 in the limiting groove 73 can limit the sliding plate 72 to prevent the sliding plate 72 from sliding out of the sliding groove 71. After that, the position of the sliding plate 72 after adjustment can be fixed through the cooperation of the positioning mechanism 76 and the positioning groove 75, which facilitates the adjustment of the position of the buckle ring 7 according to different medical staff.

[0032] like Figure 5As shown, the utility model provides an in vitro fertilization egg retrieval device, the positioning mechanism 76 includes an extrusion block 761, the extrusion block 761 is slidably connected to the right side of the sliding pull plate 72 and extends to the inside of the sliding pull plate 72, the left end of the extrusion block 761 is fixedly connected with an extrusion spring 762, the left end of the extrusion spring 762 is fixedly connected to the inside of the sliding pull plate 72, the middle part of the left end of the extrusion block 761 is fixedly connected with a sliding column 763, the extrusion spring 762 is arranged on the side of the sliding column 763, the left end bottom of the sliding column 763 is movably connected with a pulling rod 764, the bottom end of the sliding column 763 is movably connected with a sliding top plate 765, the sliding top plate 765 is slidably connected to the inside of the sliding pull plate 72, the bottom end of the sliding top plate 765 is fixedly connected with positioning blocks 766 on both sides, and the bottom end of the positioning block 766 extends to the inside of the positioning groove 75;

[0033] By snapping the positioning block 766 into the positioning groove 75, the position of the sliding pull plate 72 can be fixed, and by pressing the extrusion block 761, the extrusion spring 762 can be squeezed, and the sliding column 763 can be pressed to slide, so that the sliding top plate 765 can be pulled by the pulling rod 764, so that the sliding top plate 765 can pull the positioning block 766 to slide out of the positioning groove 75, thereby facilitating the adjustment of the position of the sliding pull plate 72.

[0034] Let’s talk about the working principle of the IVF egg retrieval device in detail.

[0035] like Figure 1-5 As shown, when the in vitro fertilization egg retrieval device is used, the position of the buckle ring 7 can be adjusted by sliding the sliding pull plate 72 in the sliding groove 71, and the position of the buckle ring 7 can be fixed by the positioning block 766 being inserted into the interior of the positioning groove 75, which facilitates the adjustment of the position of the buckle ring 7 according to different medical staff. When in use, the puncture needle 3 is inserted into the interior of the ovary, and the buckle ring 7 is pulled to facilitate the pushing of the extraction piston 6 in the extraction syringe 1, so that the egg can be extracted. The egg will enter the storage tube 5 through the puncture needle 3 and the three-way catheter 2, and by rotating the U-shaped ring 45, the semicircular clamping plate 462 can be pulled back from the inside of the annular groove 44 through the pulling plate 461, which facilitates the removal of the storage tube 5, thereby completing the extraction of the egg.

[0036] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. An in vitro fertilization egg retrieval device, comprising an extraction syringe (1), the right end of the extraction syringe (1) is fixedly connected to a three-way catheter (2), and the right end of the three-way catheter (2) is fixedly connected to a puncture needle (3), characterized in that: The bottom end of the three-way catheter (2) is fixedly connected to a connecting mechanism (4), the bottom end of the connecting mechanism (4) is fixedly installed with a storage tube (5), the left side of the inner wall of the extraction syringe (1) is slidably connected to a pulling piston (6), and the outer surface of the extraction syringe (1) is slidably connected to a buckle pull ring (7); The connecting mechanism (4) comprises a connecting sleeve (41), the connecting sleeve (41) is fixedly connected to the bottom end of the three-way conduit (2), a sealing ring (42) is fixedly connected to the upper inner wall of the connecting sleeve (41), a connecting pipe (43) is slidably inserted at the lower inner wall of the connecting sleeve (41), the lower end of the connecting pipe (43) is fixedly connected to the top end of the storage pipe (5), an annular groove (44) is provided on the outer surface of the connecting pipe (43), a U-shaped collar (45) is sleeved on the outer surface of the connecting sleeve (41), and a plurality of fixing mechanisms (46) are movably connected in an annular array at the lower inner wall of the U-shaped collar (45); The fixing mechanism (46) comprises a pulling plate (461), wherein the pulling plate (461) is movably connected to the lower side of the inner wall of the U-shaped ring (45), and one end of the pulling plate (461) away from the U-shaped ring (45) is movably connected to a semicircular clamping plate (462), wherein the semicircular clamping plate (462) is slidably connected to the inside of the connecting sleeve (41) and extends to the inside of the annular groove (44), and a tensioning spring (463) is fixedly connected to one side of the semicircular clamping plate (462) away from the annular groove (44), wherein there are two tensioning springs (463), and one end of the tensioning spring (463) away from the semicircular clamping plate (462) is fixedly connected to the inside of the connecting sleeve (41).

2. The in vitro fertilization egg retrieval device according to claim 1, characterized in that: The buckle pull ring (7) comprises a sliding groove (71), wherein the sliding groove (71) has two portions which are respectively opened on the upper and lower sides of the outer surface of the extraction syringe (1), and a sliding pull plate (72) is slidably connected inside the sliding groove (71), and a through hole which penetrates front and back is opened in the middle of the sliding pull plate (72).

3. The in vitro fertilization egg retrieval device according to claim 2, characterized in that: The sliding groove (71) is provided with limiting grooves (73) on both the front and rear sides of the side away from the outer surface of the extraction syringe (1), and the sliding pull plate (72) is fixedly connected to limiting plates (74) on both the left and right sides of the end close to the extraction syringe (1), and the limiting plates (74) are slidably connected to the inside of the limiting groove (73).

4. The in vitro fertilization egg retrieval device according to claim 2, characterized in that: A plurality of positioning grooves (75) are provided on one side of the sliding plate (72) away from the outer surface of the extraction syringe (1), and a positioning mechanism (76) is movably connected to the right side of the sliding plate (72).

5. The in vitro fertilization egg retrieval device according to claim 4, characterized in that: The positioning mechanism (76) comprises an extrusion block (761), the extrusion block (761) is slidably connected to the right side of the sliding plate (72) and extends to the inside of the sliding plate (72), the left end of the extrusion block (761) is fixedly connected to an extrusion spring (762), the left end of the extrusion spring (762) is fixedly connected to the inside of the sliding plate (72), the middle part of the left end of the extrusion block (761) is fixedly connected to a sliding column (763), and the extrusion spring (762) is arranged on the side of the sliding column (763).

6. The test tube baby egg retrieval device according to claim 5, characterized in that: The left bottom end of the sliding column (763) is movably connected to a pulling rod (764), and the bottom end of the sliding column (763) is movably connected to a sliding top plate (765). The sliding top plate (765) is slidably connected to the inside of the sliding pull plate (72). The left and right sides of the bottom end of the sliding top plate (765) are fixedly connected to positioning blocks (766), and the bottom end of the positioning block (766) extends to the inside of the positioning groove (75).

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