Trocar for embryo transplantation
By adding a positioning mechanism to the trocar for embryo transfer, the problem of cannula sliding is solved, the accuracy and safety of embryo transfer are achieved, and the stable transplantation of embryos is ensured.
Patent Information
- Application Number
- CN202420429160.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-06
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-03-06
AI Technical Summary
The existing trocars for embryo transfer lack the positioning function of cannula and transplant needle, which causes the cannula to slide easily during the transplantation process, affecting the accuracy of embryo transfer.
A trocar for embryo transfer including transplant needles, multiple holes, needles, connectors, handles, soft cannulas and positioning mechanisms was designed. The position of the soft cannula on the transplant needle is fixed through the positioning mechanism to avoid needle puncture. Injure the inner wall of the uterus and achieve stable positioning through screws, sliding plates and positioning blocks.
It effectively avoids needle stabbing the inner wall of the uterus, improves the accuracy and safety of embryo transfer, and allows the liquid containing the embryo to be easily discharged into the uterine cavity through multiple holes, realizing stable embryo transplantation.
Smart Images
Figure CN222172236U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of embryo transplantation, in particular to a trocar for embryo transplantation. Background Art
[0002] Embryo transfer, also known as fertilized egg transfer, refers to the technology of transplanting early embryos in female animals, or embryos obtained through in vitro fertilization or other methods, into other female animals of the same species and physiological conditions, so that they continue to develop into new individuals. During the embryo transfer process, a trocar is required to transfer the embryo.
[0003] Trocar needles are generally divided into a trocar and a transplant needle. However, existing trocar needles for embryo transplantation often do not have the positioning function of the trocar and the transplant needle. Therefore, when the trocar is moved to the embryo, the trocar is easy to slide on the transplant needle, thereby affecting the embryo transplantation.
[0004] Therefore, it is necessary to provide a trocar for embryo transplantation to solve the above technical problems. Utility Model Content
[0005] In order to solve the technical problem that the existing trocar needle for embryo transplantation often lacks the positioning function of the trocar and the transplantation needle, the utility model provides a trocar needle for embryo transplantation.
[0006] The utility model provides a trocar needle for embryo transplantation, comprising: a transplantation needle; a plurality of holes, wherein the plurality of holes are all formed on the transplantation needle; a needle head, wherein the needle head is arranged on the transplantation needle; a connector, wherein the connector is arranged at one end of the transplantation needle; a handle, wherein the handle is sleeved on the transplantation needle; a soft sleeve, wherein the soft sleeve is fixedly mounted at one end of the handle, wherein the soft sleeve is slidably connected to the transplantation needle; and a positioning mechanism, wherein the positioning mechanism is arranged on the handle.
[0007] Preferably, a rectangular groove is provided on the inner wall of the handle, and a shell is fixedly mounted on the rectangular groove.
[0008] Preferably, a plurality of sliding grooves are provided at the bottom of the shell, and the plurality of sliding grooves are all rectangular.
[0009] Preferably, the positioning mechanism includes a screw, a sliding plate and a plurality of positioning blocks, the screw is rotatably mounted on the inner wall of the shell, one end of the screw extends to the outside of the handle, the sliding plate is threadedly sleeved on the screw, the plurality of positioning blocks are fixedly mounted on the bottom of the sliding plate, and the plurality of sliding plates are respectively slidably connected to the inner walls of the plurality of sliding grooves.
[0010] Preferably, arc-shaped grooves are formed at the bottoms of the plurality of positioning blocks, and anti-slip pads are provided on the inner walls of the plurality of arc-shaped grooves.
[0011] Preferably, a plurality of limit rods are fixedly mounted on the inner wall of the shell, and the plurality of limit rods are all slidably connected to the sliding plate.
[0012] Preferably, a knob is fixedly mounted on the top end of the screw rod.
[0013] Compared with the related art, the embryo transplantation trocar provided by the utility model has the following beneficial effects:
[0014] The utility model provides a trocar needle for embryo transplantation, which can discharge liquid containing embryos into the uterine cavity through a plurality of holes, can be connected to a syringe through a connecting head, and can make the soft sleeve move up and down on the transplantation needle more convenient through a handle, can wrap the transplantation needle and the needle head through the soft sleeve, can fix the position of the soft sleeve on the transplantation needle through a positioning mechanism, so as to prevent the needle head from piercing the inner wall of the uterus, can install a shell through a rectangular groove, can limit a plurality of positioning blocks through a plurality of sliding grooves, can drive a sliding plate and a plurality of positioning blocks to move up and down through the rotation of a screw, can improve the stability after positioning through an arc groove and an anti-skid pad, can limit the sliding plate through a plurality of limiting rods, and can drive the screw to rotate through a knob. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a trocar for embryo transplantation provided by the utility model;
[0016] Figure 2 for Figure 1 A schematic diagram of the front appearance structure;
[0017] Figure 3 for Figure 1 An enlarged schematic diagram of part A is shown in FIG.
[0018] Numbers in the figure: 1. transplantation needle; 2. hole; 3. needle; 4. connector; 5. handle; 6. soft sleeve; 7. rectangular groove; 8. shell; 9. sliding groove; 10. screw; 11. sliding plate; 12. positioning block; 13. arc groove; 14. anti-slip pad; 15. limit rod; 16. knob. DETAILED DESCRIPTION
[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0020] Please refer to Figure 1-3 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a trocar for embryo transplantation provided by the utility model; Figure 2 for Figure 1 A schematic diagram of the front appearance structure; Figure 3 for Figure 1The enlarged schematic diagram of part A shown in the figure. The trocar needle for embryo transplantation includes: a transplantation needle 1; a plurality of holes 2, wherein the plurality of holes 2 are all provided on the transplantation needle 1; a needle head 3, wherein the needle head 3 is arranged on the transplantation needle 1; a connector 4, wherein the connector 4 is arranged at one end of the transplantation needle 1; a handle 5, wherein the handle 5 is sleeved on the transplantation needle 1; a soft sleeve 6, wherein the soft sleeve 6 is fixedly mounted at one end of the handle 5, wherein the soft sleeve 6 is slidably connected to the transplantation needle 1; and a positioning mechanism, wherein the positioning mechanism is arranged on the handle 5, wherein the liquid containing the embryo can be discharged into the uterine cavity through the plurality of holes 2, wherein the syringe can be connected through the connector 4, and wherein the soft sleeve 6 can be conveniently moved up and down on the transplantation needle 1 through the handle 5. The transplantation needle 1 and the needle head 3 can be wrapped by the soft sleeve 6, and the position of the soft sleeve 6 on the transplantation needle 1 can be fixed by the positioning mechanism, thereby preventing the needle head 3 from piercing the inner wall of the uterus.
[0021] A rectangular groove 7 is formed on the inner wall of the handle 5 , and a housing 8 is fixedly mounted on the rectangular groove 7 . The housing 8 can be mounted through the rectangular groove 7 .
[0022] A plurality of sliding grooves 9 are formed at the bottom of the housing 8 . The plurality of sliding grooves 9 are all rectangular, and the plurality of positioning blocks 12 can be limited by the plurality of sliding grooves 9 .
[0023] The positioning mechanism includes a screw 10, a sliding plate 11 and a plurality of positioning blocks 12. The screw 10 is rotatably mounted on the inner wall of the shell 8. One end of the screw 10 extends to the outside of the handle 5. The sliding plate 11 is threadedly sleeved on the screw 10. The plurality of positioning blocks 12 are fixedly mounted on the bottom of the sliding plate 11. The plurality of sliding plates 11 are respectively slidably connected to the inner walls of the plurality of sliding grooves 9. The rotation of the screw 10 can drive the sliding plate 11 and the plurality of positioning blocks 12 to move up and down.
[0024] The bottoms of the plurality of positioning blocks 12 are all provided with arc grooves 13 , and the inner walls of the plurality of arc grooves 13 are all provided with anti-skid pads 14 . The stability after positioning can be improved by the arc grooves 13 and the anti-skid pads 14 .
[0025] A plurality of limiting rods 15 are fixedly mounted on the inner wall of the housing 8 . The plurality of limiting rods 15 are all slidably connected to the sliding plate 11 . The sliding plate 11 can be limited by the plurality of limiting rods 15 .
[0026] A knob 16 is fixedly mounted on the top of the screw rod 10 , and the screw rod 10 can be driven to rotate by the knob 16 .
[0027] The working principle of the trocar for embryo transplantation provided by the utility model is as follows:
[0028] When in use, the connector 4 is connected to the syringe, and the liquid containing the embryo is extracted through one end of the needle 3. The soft sleeve 6 is moved by the handle 5 so that the soft sleeve 6 wraps the needle 3. The knob 16 is twisted, and the knob 16 drives the screw 10 to rotate. The rotation of the screw 10 drives the sliding plate 11 to move downward, and the sliding plate 11 drives multiple positioning blocks 12 and multiple anti-skid pads 14 to move downward, so as to fix the position of the handle 5 and the soft sleeve 6 on the transplantation needle 1. Then the sleeve needle is inserted into the uterus. During the process of inserting into the uterus, the transplantation needle 1 and the needle 3 are wrapped by the soft sleeve 6 to prevent the needle 3 from piercing the inner wall of the uterus. When the needle 3 reaches the transplantation position, the knob 16 is twisted in the opposite direction to move the multiple positioning blocks 12 and the multiple anti-skid pads 14 upward. Then the soft sleeve 6 is pushed backward by the handle 5 to expose the transplantation needle 1 and the needle 3. The liquid containing the embryo is injected into the uterine cavity along the multiple holes 2 by the syringe, so as to complete the embryo transplantation.
[0029] Compared with the related art, the embryo transplantation trocar provided by the utility model has the following beneficial effects:
[0030] The utility model provides a trocar needle for embryo transplantation, which can discharge liquid containing embryos into the uterine cavity through a plurality of holes 2, can be connected to a syringe through a connector 4, can make a soft sleeve 6 move up and down on a transplantation needle 1 more convenient through a handle 5, can wrap the transplantation needle 1 and the needle head 3 through the soft sleeve 6, can fix the position of the soft sleeve 6 on the transplantation needle 1 through a positioning mechanism, so as to prevent the needle head 3 from piercing the inner wall of the uterus, can install a shell 8 through a rectangular groove 7, can limit a plurality of positioning blocks 12 through a plurality of sliding grooves 9, can drive a sliding plate 11 and a plurality of positioning blocks 12 to move up and down through the rotation of a screw rod 10, can improve the stability after positioning through an arc groove 13 and an anti-skid pad 14, can limit the sliding plate 11 through a plurality of limiting rods 15, and can drive the screw rod 10 to rotate through a knob 16.
[0031] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A trocar for embryo transplantation, characterized in that: include: Transplant needle; A plurality of holes, wherein the plurality of holes are provided on the transplant needle; a needle, the needle being arranged on the transplant needle; A connector, the connector being arranged at one end of the transplant needle; A handle, wherein the handle is sleeved on the transplant needle; A soft sleeve, the soft sleeve is fixedly mounted on one end of the handle, and the soft sleeve is slidably connected to the transplant needle; A positioning mechanism is arranged on the handle.
2. The trocar for embryo transfer according to claim 1, characterized in that: A rectangular groove is provided on the inner wall of the handle, and a shell is fixedly installed on the rectangular groove.
3. The trocar for embryo transfer according to claim 2, characterized in that: A plurality of sliding grooves are provided at the bottom of the shell, and the plurality of sliding grooves are all rectangular.
4. The trocar for embryo transfer according to claim 3, characterized in that: The positioning mechanism includes a screw, a sliding plate and a plurality of positioning blocks. The screw is rotatably mounted on the inner wall of the shell, one end of the screw extends to the outside of the handle, the sliding plate is threadedly sleeved on the screw, and the plurality of positioning blocks are fixedly mounted on the bottom of the sliding plate. The plurality of sliding plates are respectively slidably connected to the inner walls of the plurality of sliding grooves.
5. The trocar for embryo transfer according to claim 4, characterized in that: The bottoms of the plurality of positioning blocks are all provided with arc-shaped grooves, and the inner walls of the plurality of arc-shaped grooves are all provided with anti-slip pads.
6. The trocar for embryo transfer according to claim 4, characterized in that: A plurality of limiting rods are fixedly mounted on the inner wall of the shell, and the plurality of limiting rods are all slidably connected to the sliding plate.
7. The trocar for embryo transfer according to claim 4, characterized in that: A knob is fixedly mounted on the top end of the screw rod.