CN113827327A

CN113827327A - Artificial insemination transplanting device for reproductive medicine

Info

Publication number: CN113827327A
Application number: CN202111322301.2A
Authority: CN
Inventors: 赵彦梅
Original assignee: Second People's Hospital Of Liaocheng
Current assignee: Second People's Hospital Of Liaocheng
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2021-12-24

Abstract

The invention relates to the field of artificial insemination, in particular to an artificial insemination transplanting device for reproductive medicine. The technical problem is as follows: provides an artificial insemination transplantation device for reproductive medicine, which reduces the waste of sperms and medical cost. The technical scheme of the invention is as follows: the utility model provides a reproduction medical science is with artificial insemination transplantation device, includes button head shell, pipe shell, injection mechanism and adjustment mechanism, and threaded connection has the pipe shell on the button head shell, and button head shell internal surface is provided with injection mechanism, and adjustment mechanism sets up in the internal surface of pipe shell, injection mechanism and adjustment mechanism cooperation. The invention avoids most semen in the catheter by arranging the injection mechanism, adjusts the distance of the spray head extending into the uterine cavity of the female to be pregnant according to the physical conditions of different people by arranging the adjusting mechanism, avoids the waste of medical resources by designing the round-head shell and the circular tube shell to be in threaded connection, and also avoids the unclean and repeated use of the semen of the catheter.

Description

Artificial insemination transplanting device for reproductive medicine

Technical Field

The invention relates to the field of artificial insemination, in particular to an artificial insemination transplanting device for reproductive medicine.

Background

Artificial insemination refers to the artificial screening of male sperms in vitro, screening of the sperms with good quality, and transferring the screened sperms into the uterine cavity of a female through a transplanting device to enable the insemination of ova, and the whole process is called artificial insemination.

Present sperm is transplanted and is mostly the vagina expansion with expanding unit with the woman earlier, then will inhale the syringe that has the screening back sperm and be connected to a hose on, send into the uterine cavity of woman through the control hose with the port of hose in, make the sperm enter into the uterine cavity with the propelling movement syringe afterwards, carry out the insemination, but in operation process, the sperm discharge often can appear thoroughly inadequately, it remains in the hose to result in there being a lot of some sperms, cause the waste of sperm, the reduction of sperm quantity can influence the success rate of artificial insemination, furthermore, present transplanting device is disposable mostly, unable reuse, waste resources and medical cost have been increased.

Therefore, aiming at the defects of the prior art, the artificial insemination transplanting device for reproductive medicine is designed, which reduces the waste of sperms and the medical cost.

Disclosure of Invention

In order to overcome the defects that the sperm waste is caused, the success rate of artificial insemination is influenced, resources are wasted, and the medical cost is increased due to the reduction of the number of the sperm, the technical problems are as follows: provides an artificial insemination transplantation device for reproductive medicine, which reduces the waste of sperms and medical cost.

The technical scheme of the invention is as follows: the utility model provides a reproduction medical science is with artificial insemination transplantation device, including button head shell, pipe shell, syringe, injection mechanism and adjustment mechanism, the threaded connection has the pipe shell on the button head shell, is provided with the syringe in the pipe shell, and button head shell internal surface is provided with injection mechanism, and the syringe lower extreme cooperates with injection mechanism, and adjustment mechanism sets up in the internal surface of pipe shell, injection mechanism and adjustment mechanism cooperation.

Further, the injection mechanism comprises a fixed rod, a sliding plate, a first spring, a guide pipe, a connector, a nozzle and a guide block, wherein chutes are respectively formed in the left part and the right part of the inner surface of the round-head shell, the fixed rod is arranged in the chute of the round-head shell, the sliding plates are slidably connected to the upper parts of the two fixed rods, the first spring is sleeved on the fixed rod in a sleeved mode respectively, the outer surface of the upper part of the guide pipe is embedded in the middle of the sliding plate, the connector is fixedly connected to the upper end of the guide pipe and is in threaded connection with the lower end of the injector, the nozzle is fixedly connected to the lower end of the guide pipe, the lower end of the guide pipe is slidably arranged with the round-head shell, the upper end of the guide block is fixedly connected to the inner surface of the round-head shell, and the lower end of the guide block is slidably arranged with the outer surface of the guide pipe.

Furthermore, the connector is a cylindrical shell, the inner surface of the connector is provided with threads, and the inner surface of the upper end of the connector is provided with a chamfer.

Furthermore, the shower nozzle is oval and the surface is smooth, opens in the front side of shower nozzle and is equipped with a plurality of through-hole, and the direction of every through-hole is different.

Further, the adjusting mechanism comprises fixing plates, a sliding strip, a second spring, a sliding circular tube, a circular plate, a first tooth strip, a sliding block, a second tooth strip, a first connecting rod, a third spring, a pull ring, a second connecting rod, a fixing ring, a rotating ring and a friction plate, wherein the two fixing plates are arranged in total, the two fixing plates are respectively and symmetrically fixedly connected to the upper end of the inner surface of the circular tube shell in a front-back manner, sliding grooves are respectively formed in the inner surfaces of the two fixing plates, the sliding strips are respectively and slidably connected in the sliding grooves of the two fixing plates, the second spring is fixedly connected between the inner surface of the lower end of each fixing plate and the lower surface of each sliding strip, the sliding circular tube is fixedly connected to the inner surfaces of the two sliding strips, the circular plate is fixedly connected to the upper end of the sliding circular tube, the first tooth strip is respectively and fixedly connected to the left part and the right part of the outer surface of the upper end of the circular tube shell, the left part and the inner surface of the upper end of the circular tube shell are respectively provided with sliding grooves, and the sliding block is slidably connected in the sliding groove of the circular tube shell, the inner sides of the two sliding blocks are fixedly connected with a second toothed bar respectively, the adjacent first toothed bars are matched with the second toothed bars, the outer sides of the two sliding blocks are fixedly connected with a first connecting rod respectively, the first connecting rod is sleeved with a third spring respectively in a loop mode, the left end and the right end of the third spring are connected with the sliding blocks and the circular tube shell respectively, the outer ends of the two first connecting rods are fixedly connected with pull rings respectively, the front portion and the rear portion of the lower end of the sliding circular tube are fixedly connected with a second connecting rod respectively, the lower end of the two second connecting rods is fixedly connected with a fixing ring, the lower end of the fixing ring is rotatably connected with a rotating ring, the lower end of the rotating ring is in surface contact with the sliding plates, four friction plates are arranged totally, the four friction plates are uniformly and fixedly connected to the upper end of the inner surface of the circular tube shell, and the inner surfaces of the four friction plates are in sliding fit with the sliding circular tube in a sliding mode.

Furthermore, the friction plate is arc-shaped and made of rubber, and is in contact with the outer surface of the sliding circular tube in a fitting mode, so that friction force is achieved.

Furthermore, the device also comprises a threaded sleeve and a sliding sleeve, wherein threads are arranged on the upper part of the outer surface of the circular tube shell, the threaded sleeve is in threaded connection with the upper part of the outer surface of the circular tube shell, and the lower end of the threaded sleeve is rotatably connected with the sliding sleeve.

Furthermore, the material of sliding sleeve is medical rubber that the texture is softer and the surface is smooth mellow and full, and the external diameter of sliding sleeve surface is from last to down diminishing gradually.

Furthermore, the injector further comprises a first fixing frame and a second fixing frame, wherein the first fixing frame is fixedly connected to the upper portion of the inner surface of the circular tube shell, the second fixing frame is fixedly connected to the lower portion of the inner surface of the circular tube shell, the inner diameter of the first fixing frame and the inner diameter of the second fixing frame are larger than the outer diameter of the injector, and the inner diameter of the second fixing frame is smaller.

The beneficial effects are that: the invention designs the conduit into a hose with shorter length by arranging the injection mechanism, and when artificial insemination is performed, avoids most semen from being stored in the catheter, improves the success rate of artificial insemination, and through arranging the adjusting mechanism, according to the physical conditions of different people, the distance from the spray head to the uterine cavity of the female to be pregnant is adjusted by controlling the pressing depth of the pressing circular plate by medical personnel, the discomfort of the female to be pregnant is avoided, and by designing the thread sleeve and the sliding sleeve, the threaded sleeve is rotated according to the condition of a human body, the position of the sliding sleeve entering the vagina of the female to be pregnant is adjusted, the semen is prevented from overflowing, the success rate is reduced, through the design that the round-head shell and the round-tube shell are in threaded connection, the injection mechanism and the adjusting mechanism are separated, the waste of medical resources is avoided, the unclean reuse of the semen of the catheter is avoided, and the injury is brought to the body of the female to be pregnant.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic partial sectional perspective view of the present invention.

Fig. 3 is a schematic perspective view of the injection mechanism of the present invention.

Fig. 4 is a partial perspective view of the adjusting mechanism of the present invention.

Fig. 5 is a partially enlarged perspective view of the adjusting mechanism of the present invention.

FIG. 6 is a schematic side-view, sectional and perspective view of the present invention.

Part names and serial numbers in the figure: 1-round head casing, 2-round tube casing, 3-injector, 401-fixed rod, 402-sliding plate, 403-first spring, 404-guide tube, 405-connector, 406-spray head, 407-guide block, 501-fixed plate, 502-sliding bar, 503-second spring, 504-sliding round tube, 505-round plate, 506-first tooth bar, 507-sliding block, 508-second tooth bar, 509-first connecting rod, 510-third spring, 511-pull ring, 512-second connecting rod, 513-fixed ring, 514-rotating ring, 515-friction plate, 6-thread bush, 7-sliding bush, 8-first fixing frame, 9-second fixing frame.

Detailed Description

The invention is described in detail below with reference to the figures and the embodiments.

Example 1

The utility model provides a reproduction medical science is with artificial insemination transplantation device, as shown in fig. 1-6, including button head shell 1, pipe shell 2, syringe 3, injection mechanism and adjustment mechanism, the threaded connection of button head shell 1 upper end has pipe shell 2, is provided with syringe 3 in the pipe shell 2, and the 1 internal surface of button head shell is provided with injection mechanism, and 3 lower extremes of syringe and injection mechanism cooperate, and adjustment mechanism sets up in the internal surface of pipe shell 2, injection mechanism and adjustment mechanism cooperation.

When the device is used, firstly, a medical worker screws the round-head shell 1 and the circular tube shell 2 through threads, the injection mechanism and the adjusting mechanism are matched, meanwhile, the medical worker inserts the injector 3 which sucks the semen from the upper end of the circular tube shell 2, the lower end of the injector 3 is matched with the injection mechanism, the medical worker slowly feeds the device into the vagina of a woman to be pregnant, after the device reaches a specified position, the medical worker operates the adjusting mechanism, the adjusting mechanism is controlled by the adjusting mechanism to adjust the accurate position, the injection mechanism is aligned to the uterine cavity of the woman to be pregnant, the medical worker slowly pushes the injector 3 at the moment, the semen is injected into the uterine cavity of the woman to be pregnant through the injection mechanism, the artificial operation is completed, then the medical worker controls the adjusting mechanism to reset the injection mechanism, and then the medical worker slowly takes out the device from the vagina of the woman to be pregnant, after the round-head shell 1 and the round tube shell 2 are separated by medical staff, the round-head shell 1, the injection mechanism and the injector 3 are placed in the medical garbage can to be uniformly destroyed, the round tube shell 2 is cleaned and disinfected to facilitate next use, and waste of medical equipment is avoided.

Example 2

Based on embodiment 1, as shown in fig. 3, the injection mechanism includes a fixing rod 401, a sliding plate 402, a first spring 403, a conduit 404, a connector 405, a nozzle 406 and a guide block 407, the left and right parts of the inner surface of the round-head housing 1 are respectively provided with a sliding slot, the sliding slot of the round-head housing 1 is internally provided with the fixing rod 401, the upper parts of the two fixing rods 401 are slidably connected with the sliding plate 402, the fixing rod 401 is respectively sleeved with the first spring 403, the first spring 403 is in contact with the sliding plate 402, the outer surface of the upper part of the conduit 404 is embedded in the middle of the sliding plate 402, the upper end of the conduit 404 is fixedly connected with the connector 405, the connector 405 is shaped as a cylindrical housing, the inner surface of the connector 405 is provided with a thread, the inner surface of the upper end of the connector 405 is provided with a chamfer, the connector 405 is in threaded connection with the lower end of the injector 3, the lower end of the conduit 404 is fixedly connected with the nozzle 406, the nozzle 406 is oval and has a smooth outer surface, a plurality of through holes are arranged on the front side of the nozzle 406, and the direction of each through hole is different, and pipe 404 lower extreme and button head shell 1 slip setting, and the upper end rigid coupling of guide block 407 is in the internal surface of button head shell 1, and the lower extreme of guide block 407 and the surface slip setting of pipe 404.

As shown in fig. 4-6, the adjusting mechanism includes a fixing plate 501, a sliding bar 502, a second spring 503, a sliding circular tube 504, a circular plate 505, a first rack 506, a sliding block 507, a second rack 508, a first link 509, a third spring 510, a pull ring 511, a second link 512, a fixing ring 513, a rotating ring 514 and a friction plate 515, wherein two fixing plates 501 are provided, the two fixing plates 501 are respectively and symmetrically fixed on the upper end of the inner surface of the circular tube housing 2, sliding grooves are respectively formed on the inner surfaces of the two fixing plates 501, the sliding bar 502 is respectively connected in the sliding grooves of the two fixing plates 501 in a sliding manner, the second spring 503 is fixedly connected between the inner surface of the lower end of the fixing plate 501 and the lower surface of the sliding bar 502, the sliding circular tube 504 is fixedly connected on the inner surfaces of the two sliding bars 502, the circular plate 505 is fixedly connected on the upper end of the sliding circular tube 504, the first rack 506 is respectively fixed on the left and right portions of the outer surface of the sliding circular tube 504, the left and right parts of the inner surface of the upper end of the circular tube shell 2 are respectively provided with a sliding groove, the sliding groove of the circular tube shell 2 is connected with a sliding block 507 in a sliding way, the inner sides of the two sliding blocks 507 are respectively fixedly connected with a second rack 508, the adjacent first racks 506 are matched with the second racks 508, the outer sides of the two sliding blocks 507 are respectively fixedly connected with a first connecting rod 509, the first connecting rod 509 is sleeved with a third spring 510 in a sleeving way, the left and right ends of the third spring 510 are respectively connected with the sliding blocks 507 and the circular tube shell 2, the outer ends of the two first connecting rods 509 are respectively fixedly connected with a pull ring 511, the front and rear parts of the lower end of the sliding circular tube 504 are respectively fixedly connected with a second connecting rod 512, the lower ends of the two second connecting rods 512 are fixedly connected with a fixed ring 513, the lower end of the fixed ring 513 is rotatably connected with a rotating ring 514, the lower end of the rotating ring 514 is contacted with the upper surface of the sliding plate 402, and totally four friction plates 515 are arranged, the four friction plates 515 are uniformly and fixedly connected with the upper end of the inner surface of the circular tube shell 2, the inner surfaces of the four friction plates 515 are in sliding fit with the sliding circular tube 504, the friction plates 515 are arc-shaped and made of rubber, and the friction plates 515 are in contact with the outer surface of the sliding circular tube 504 in a fitting mode and have friction force.

When the device is used, after the round-head shell 1 and the round-tube shell 2 are connected by medical staff, the medical staff inserts the injector 3 into the round-tube shell 2, when the lower end of the injector 3 contacts the connector 405, the medical staff controls the injector 3 to rotate reversely, so that the lower end of the injector 3 is in threaded connection with the connector 405, semen overflow in the process of pushing the injector 3 is avoided, the success rate of pregnancy is reduced, the upper part of the connector 405 is provided with a chamfer, the lower end of the injector 3 is conveniently connected with the connector 405 in an aligned position when being connected with the connector 405, the lower end of the injector 3 rotates into the connector 405, the injector 3 is in threaded fit with the connector 405, the device is sent into the vagina of a woman to be pregnant by the medical staff, after the appointed position is reached, the medical staff slowly presses the downward circular plate 505, the circular plate 505 drives the sliding strip 502, the sliding round tube 504 and the first tooth strip 506 to slide downwards along the fixing plate 501, meanwhile, the second spring 503 is pressed, when the first rack 506 slides downwards, the first rack 506 presses the second rack 508, the first rack 506 is disengaged from the second rack 508, the second rack 508 is pressed to move outwards, the second rack 508 drives the sliding block 507, the first link 509 and the pull ring 511 to move outwards, the third spring 510 is pressed, the sliding circular tube 504 drives the second link 512 to move downwards, the second link 512 drives the fixed ring 513 and the rotating ring 514 to move downwards, the rotating ring 514 presses the sliding plate 402 to slide downwards along the fixed link 401, and simultaneously presses the sliding plate 402 to drive the conduit 404, the connector 405 and the spray head 406 to extend along the direction of the through hole formed by the guide block 407, the first spring 403 is compressed therewith, the connector 405 drives the syringe 3 to move downwards simultaneously, the spray head 406 extends forwards, when the spray head extends into the uterine cavity of the female to be pregnant, the medical staff stops pressing the circular plate 505, under the action of the elasticity of a third spring 510, a sliding block 507, a second toothed bar 508, a first connecting rod 509 and a pull ring 511 are reset, the first toothed bar 506 is matched with the second toothed bar 508 again, medical staff slowly pushes the injector 3, semen flows out from the sprayer 406 through a conduit 404, a connector 405 and the sprayer 406, the sprayer 406 is arranged in an oval groove formed in the front side of the round head shell 1, the outer surface of the sprayer is smooth, the phenomenon that when the device enters the vagina of a woman to be pregnant, the sprayer rubs with the inner wall of the vagina to cause discomfort or injury to the body of the woman to be pregnant is avoided, through holes in different directions are formed in the front side of the sprayer 406, when the semen flows into the uterus of the woman to be pregnant, the semen flows in different directions, the success rate of artificial insemination is improved, and the semen flows into the uterine cavity of the woman to be pregnant, and insemination is completed.

Then the medical staff pulls the pull ring 511 leftwards and rightwards with two hands, the pull ring 511 drives the sliding block 507, the second rack 508 and the first connecting rod 509 to move outwards at the same time, and presses the third spring 510 at the same time, under the action of the elastic force of the first spring 403, the sliding plate 402, the conduit 404, the connecting head 405, the spray head 406 and the injector 3 are reset, under the action of the elastic force of the second spring 503, the sliding bar 502, the sliding circular tube 504, the circular plate 505 and the first rack 506 are reset, when the sliding circular tube 504 is reset under the drive of the second spring 503, because the outer surface of the sliding circular tube 504 is subjected to the friction force of the friction sheet 515, the inner surface of the friction sheet 515 is completely contacted with the outer surface of the sliding circular tube 504, and the friction force of the friction sheet 515 reduces the reset speed of the injection device and the adjusting device, the retraction speed of the spray head 406 is reduced, and the situation that the spray head 406 is too fast retracted to rub with the vagina of the woman to be pregnant is avoided, give treat that pregnant woman's health brings discomfort and injury, after this device resets, medical personnel slowly take out this device from waiting pregnant woman's vagina, medical personnel rotate syringe 3 clockwise afterwards, make syringe 3 lower extreme and connector 405 separation, take out syringe 3 afterwards and place in medical dustbin, simultaneously with button head shell 1 and pipe shell 2 separation, sliding plate 402 drives swivel 514 and rotates along solid fixed ring 513, avoid frictional force to make button head shell 1 and pipe shell 2 be difficult to separate, with button head shell 1, dead lever 401, sliding plate 402, first spring 403, pipe 404, connector 405, shower nozzle 406 and guide block 407, all place in medical dustbin, destroy medical rubbish in the dustbin in unison, clear up the disinfection with all the other parts of this device, make things convenient for next time to use, avoid the waste of medical resource.

Example 3

On the basis of embodiment 2, as shown in fig. 1 and 4, the medical rubber tube further comprises a threaded sleeve 6 and a sliding sleeve 7, wherein threads are arranged on the upper portion of the outer surface of the circular tube shell 2, the threaded sleeve 6 is in threaded connection with the upper portion of the outer surface of the circular tube shell 2, the sliding sleeve 7 is rotatably connected to the lower end of the threaded sleeve 6, the sliding sleeve 7 is made of soft medical rubber, the outer surface of the medical rubber is smooth and round, and the outer diameter of the outer surface of the sliding sleeve 7 is gradually reduced from top to bottom.

When the device is put into the vagina of a woman to be pregnant, the medical care personnel shell slowly rotates the threaded sleeve 6 anticlockwise due to different body structures of people, the threaded sleeve 6 drives the sliding sleeve 7 to move downwards, the front end of the sliding sleeve 7 enters the vagina of the woman to be pregnant, the position of the sliding sleeve 7 is adjusted according to the body condition of the woman to be pregnant, the outer surface of the sliding sleeve 7 is completely contacted with the vagina of the woman to be pregnant, the semen is prevented from overflowing out of the body when the semen is pushed into the body, the success rate of artificial insemination is reduced, when the device is taken out from the vagina of the woman to be pregnant after use, the sliding sleeve 7 is moved out of the vagina of the woman to be pregnant, because the outer surface of the sliding sleeve 7 is smooth and mellow, the discomfort brought to the body of the female to be pregnant due to the friction force is reduced, and then the sliding sleeve 7 is reset by the medical staff rotating the threaded sleeve 6 clockwise.

As shown in fig. 2, the injector further comprises a first fixing frame 8 and a second fixing frame 9, the first fixing frame 8 is fixedly connected to the upper portion of the inner surface of the circular tube shell 2, the second fixing frame 9 is fixedly connected to the lower portion of the inner surface of the circular tube shell 2, the inner diameter of the first fixing frame and the inner diameter of the second fixing frame 9 are larger than the outer diameter of the injector 3, and the inner diameter of the second fixing frame 9 is smaller.

When putting into pipe shell 2 with syringe 3 that has inhaled semen, because syringe 3 is thinner, 3 in-process that moves down of syringe rocks about can, it aims at it inconveniently, in 3 in-process that move down of syringe, first mount 8 plays the guide effect to syringe 3, syringe 3 will follow 2 central downstream of pipe shell, when syringe 3 passes second mount 9, the lower extreme of syringe 3 is in same central axis with connector 405, make things convenient for 3 lower extremes of syringe and connector 405 to dock.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a reproduction medical science is with artificial insemination transplantation device, including button head shell (1), pipe shell (2) and syringe (3), threaded connection has pipe shell (2) on button head shell (1), is provided with syringe (3) in pipe shell (2), its characterized in that: the injection mechanism is arranged on the inner surface of the round head shell (1), the lower end of the injector (3) is matched with the injection mechanism, the adjusting mechanism is arranged on the inner surface of the round tube shell (2), and the injection mechanism is matched with the adjusting mechanism.

2. An artificial insemination transfer device for reproductive medicine according to claim 1, characterized in that: the injection mechanism comprises a fixed rod (401), a sliding plate (402), a first spring (403), a conduit (404), a connector (405), a spray head (406) and a guide block (407), wherein the left part and the right part of the inner surface of the round-head shell (1) are respectively provided with a sliding groove, the fixed rod (401) is arranged in the sliding groove of the round-head shell (1), the sliding plates (402) are connected to the upper parts of the two fixed rods (401) in a sliding way, the first spring (403) is respectively sleeved on the fixed rods (401) in a surrounding way, the outer surface of the upper part of the conduit (404) is embedded in the middle part of the sliding plate (402), the connector (405) is fixedly connected to the upper end of the conduit (404), the connector (405) is in threaded connection with the lower end of the injector (3), the spray head (406) is fixedly connected to the lower end of the conduit (404), the lower end of the conduit (404) is slidably arranged with the round-head shell (1), and the upper end of the guide block (407) is fixedly connected to the inner surface of the round-head shell (1), the lower end of the guide block (407) is arranged in a sliding manner with the outer surface of the guide pipe (404).

3. An artificial insemination transfer device for reproductive medicine according to claim 2, characterized in that: the connector (405) is a cylindrical shell, the inner surface of the connector (405) is provided with threads, and the inner surface of the upper end of the connector (405) is provided with a chamfer.

4. An artificial insemination transfer device for reproductive medicine according to claim 2, characterized in that: the spray head (406) is oval and smooth in outer surface, a plurality of through holes are formed in the front side of the spray head (406), and the direction of each through hole is different.

5. An artificial insemination transfer device for reproductive medicine according to claim 2, characterized in that: the adjusting mechanism comprises fixing plates (501), sliding strips (502), second springs (503), a sliding circular tube (504), circular plates (505), first toothed bars (506), sliding blocks (507), second toothed bars (508), a first connecting rod (509), a third spring (510), a pull ring (511), a second connecting rod (512), a fixing ring (513), a rotating ring (514) and friction plates (515), wherein the fixing plates (501) are arranged together, the two fixing plates (501) are respectively and symmetrically fixedly connected to the upper end of the inner surface of the circular tube shell (2) in a front-back manner, sliding grooves are respectively formed in the inner surfaces of the two fixing plates (501), the sliding strips (502) are respectively and slidably connected in the sliding grooves of the two fixing plates (501), the second springs (503) are fixedly connected between the inner surface of the lower ends of the fixing plates (501) and the lower surfaces of the sliding strips (502), and the sliding circular tubes (504) are fixedly connected to the inner surfaces of the two sliding strips (502), a circular plate (505) is fixedly connected to the upper end of a sliding circular tube (504), first toothed bars (506) are fixedly connected to the left portion and the right portion of the outer surface of the sliding circular tube (504), sliding grooves are formed in the left portion and the right portion of the inner surface of the upper end of a circular tube shell (2), sliding blocks (507) are slidably connected to the sliding grooves of the circular tube shell (2), second toothed bars (508) are fixedly connected to the inner sides of the two sliding blocks (507), adjacent first toothed bars (506) are matched with the second toothed bars (508), first connecting rods (509) are fixedly connected to the outer sides of the two sliding blocks (507), third springs (510) are respectively sleeved on the first connecting rods (509) in a surrounding mode, the left end and the right end of each third spring (510) are respectively connected with the sliding blocks (507) and the circular tube shell (2), pull rings (511) are fixedly connected to the outer ends of the two first connecting rods (509), second connecting rods (512) are fixedly connected to the front portion and the rear portion of the lower end of the sliding circular tube (504), the lower ends of the two second connecting rods (512) are fixedly connected with a fixed ring (513), the lower end of the fixed ring (513) is rotatably connected with a rotating ring (514), the lower end of the rotating ring (514) is in contact with the upper surface of the sliding plate (402), four friction plates (515) are arranged, the four friction plates (515) are uniformly and fixedly connected to the upper end of the inner surface of the circular tube shell (2), and the inner surfaces of the four friction plates (515) are in sliding fit with the sliding circular tube (504).

6. An artificial insemination transfer device for reproductive medicine according to claim 5, characterized in that: the friction plate (515) is arc-shaped and made of rubber, and the friction plate (515) is in contact with the outer surface of the sliding circular tube (504) in a fitting mode and has friction force.

7. An artificial insemination transfer device for reproductive medicine according to claim 1, characterized in that: the device is characterized by further comprising a threaded sleeve (6) and a sliding sleeve (7), wherein threads are arranged on the upper portion of the outer surface of the circular tube shell (2), the threaded sleeve (6) is connected to the upper portion of the outer surface of the circular tube shell (2) in a threaded mode, and the sliding sleeve (7) is connected to the lower end of the threaded sleeve (6) in a rotating mode.

8. An artificial insemination transfer device for reproductive medicine according to claim 7, characterized in that: the sliding sleeve (7) is made of medical rubber with soft texture, the outer surface of the sliding sleeve is smooth and mellow, and the outer diameter of the outer surface of the sliding sleeve (7) is gradually reduced from top to bottom.

9. An artificial insemination transfer device for reproductive medicine according to claim 7, characterized in that: the syringe is characterized by further comprising a first fixing frame (8) and a second fixing frame (9), wherein the first fixing frame (8) is fixedly connected to the upper portion of the inner surface of the circular tube shell (2), the second fixing frame (9) is fixedly connected to the lower portion of the inner surface of the circular tube shell (2), the inner diameter of the first fixing frame and the inner diameter of the second fixing frame (9) are larger than the outer diameter of the syringe (3), and the inner diameter of the second fixing frame (9) is smaller.