A cervical dilator for bovine embryo transfer

Abstract

The present application belongs to the field of embryo transplantation technology, and particularly relates to a cervix dilating device for bovine embryo transplantation, which comprises a hand-held part, a dilating part, a wiping mechanism, a liquid supply mechanism and a storage mechanism. The hand-held part comprises a mounting shell and a storage box fixedly installed at the bottom of the mounting shell. The dilating mechanism comprises a supporting tube, a control wheel and a squeezing wheel. A through hole for the sliding of the supporting tube is formed in the outer wall of the mounting shell. The squeezing wheel is used for squeezing the supporting tube and is elastically arranged in the interior of the mounting shell. The control wheel is rotationally installed in the interior of the mounting shell, and the radial outer wall thereof is attached to the outer wall of the supporting tube. The wiping mechanism comprises a mounting ring and a wiping layer. The mounting ring is a hollow structure and is rotationally installed on the inner wall of the mounting shell. The wiping layer is fixedly installed on the inner wall of the mounting ring. The liquid supply mechanism is used for providing the inner cavity of the mounting ring with disinfectant. The storage mechanism comprises a storage box and an elastic strip. The above-mentioned structure cooperation effectively reduces the stress reaction of the mother body, improves the success rate of embryo transplantation and the operation safety.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of embryo transplantation, in particular to a cervix dilating device for bovine embryo transplantation. BACKGROUND

[0002] In the bovine embryo transplantation technology, the smooth passing of the cervix is the key prerequisite to guarantee the success rate of embryo implantation. The cervix of a cow has a special anatomical structure, the lumen of which is narrow and distributed with transverse folds. In the natural state, it is closed to maintain the stability of the intrauterine environment. This physiological structure will form a natural obstacle during embryo transplantation. If not pre-dilated, the implantation gun is difficult to pass through the cervix canal to reach the uterine horn. Forced operation may cause the folds to tear, the mucosa to bleed, and even cause the cervix canal to adhere, seriously damaging the physiological environment of embryo implantation and significantly reducing the success rate of transplantation. Therefore, moderate dilatation and support of the cervix are necessary operations to ensure the smooth passage of the implantation instrument and reduce tissue damage.

[0003] Traditional dilating devices are mostly made of metal or hard plastic materials. The surface often has micro concave-convex lines due to the processing technology. When contacting with the soft cervical mucosa, these uneven structures will cause mechanical friction, damage the integrity of the mucosal epithelium, and trigger local inflammatory reactions. At the same time, there is a significant difference between the temperature of such instruments and the body temperature of the mother (38-39℃). After the low-temperature instrument enters the body, it will stimulate the cervical smooth muscle through heat conduction, causing spastic contraction, which not only increases the operation resistance, but also may cause the mother's stress hormone level to rise through nerve reflex, interfering with the stability of the intrauterine environment. In addition, in order to reduce the risk of infection, the instrument needs to be treated with chemical disinfectants. Residual disinfectants or drug ingredients used in the operation, such as lubricants, will change the physiological pH value in the cervix canal, destroy the balance of the bacterial flora, and weaken the natural defense function of the mucosa, further exacerbating the stress response of the mother.

[0004] These multi-dimensional stimuli not only increase the operation difficulty and prolong the operation time, but also may reduce the success rate of embryo transplantation by affecting the local microenvironment of the cervix and the overall physiological state of the mother.

[0005] Therefore, the application provides a cervix dilating device for bovine embryo transplantation. SUMMARY

[0006] In order to make up for the shortcomings of the prior art and solve at least one technical problem raised in the background.

[0007] The technical scheme adopted by the application to solve its technical problems is: the cervix dilating device for bovine embryo transplantation comprises a hand-held part, a dilating part, a wiping mechanism, a liquid supply mechanism and a storage mechanism.

[0008] The hand-held part comprises a mounting shell and a storage box fixedly mounted at the bottom of the mounting shell;

[0009] The expansion mechanism comprises a supporting tube, a control wheel and a pressing wheel, a through hole for the supporting tube to slide is formed in the outer wall of the mounting shell, the pressing wheel is used for pressing the supporting tube and is elastically arranged in the interior of the mounting shell, the control wheel is rotationally mounted in the interior of the mounting shell and the radial outer wall thereof is attached to the outer wall of the supporting tube;

[0010] The wiping mechanism comprises a mounting ring and a wiping layer, the mounting ring is of a hollow structure and is rotationally mounted on the inner wall of the mounting shell, and the wiping layer is fixedly mounted on the inner wall of the mounting ring;

[0011] The liquid supply mechanism is used for supplying the interior of the mounting ring with disinfectant liquid;

[0012] The storage mechanism comprises a storage box and an elastic strip, the storage box is detachably mounted on the inner wall of the mounting shell, and one end of the elastic strip extends into the interior of the storage box.

[0013] Preferably, the mounting shell is slidably mounted with a mounting frame on the inner wall thereof through an elastic member, and the side wall of the pressing wheel is rotationally connected with the mounting frame through a pin shaft;

[0014] The inner wall of the mounting shell is fixedly mounted with a steering box, the inner wall of the steering box is rotationally mounted with a transmission worm wheel, and the axial end of the transmission worm wheel is provided with a roller attached to the control wheel;

[0015] The inner wall of the steering box is rotationally mounted with a transmission worm.

[0016] Preferably, the outer wall of the mounting shell is fixedly mounted with a guide cylinder, and the inner wall of the guide cylinder is elastically mounted with a control cylinder;

[0017] The inner wall of the control cylinder is fixedly mounted with a guide bead, the inner wall of the control cylinder is slidably mounted with a sliding shaft, and the radial outer wall of the sliding shaft is provided with a first helical groove slidably matched with the guide bead;

[0018] The sliding shaft is connected with the axial end of the transmission worm through a one-way bearing.

[0019] Preferably, the outer wall of the mounting ring is slidably mounted with a control ring, the inner wall of the mounting shell is fixedly mounted with a guide strip slidably connected with the control ring, the inner wall of the control ring is fixedly mounted with a transmission ball, the radial outer wall of the mounting ring is provided with a second helical groove, and the outer wall of the transmission ball is slidably attached to the second helical groove.

[0020] Preferably, the liquid supply mechanism comprises a storage cylinder, a control plug and an adapter ring, the adapter ring is connected with the mounting ring through a sealing bearing, the storage cylinder is fixedly mounted on the inner wall of the mounting shell, and the outer wall of the control plug is slidably attached to the inner wall of the storage cylinder.

[0021] The outer wall of the storage cylinder is provided with a one-way liquid inlet pipe and a liquid outlet pipe, the storage cylinder is connected with the adapter ring through the liquid outlet pipe, and the storage cylinder is connected with the inner cavity of the storage box through the liquid inlet pipe.

[0022] Preferably, the outer wall of the control ring is fixedly installed with a mounting plate, one end of the mounting plate is connected with the outer wall of the storage cylinder through an elastic member, the outer wall of the mounting plate is fixedly installed with a connecting rod, the other end of the connecting rod extends to the inner cavity of the storage cylinder and is fixedly connected with the outer wall of the control plug.

[0023] The axial end of the control wheel is fixedly installed with a sector gear, and the outer wall of the mounting plate is fixedly installed with a transmission toothed plate meshing with the sector gear.

[0024] Preferably, the inner wall of the storage box is fixedly installed with a transmission plate, and one end of the elastic strip is fixedly connected with the outer wall of the transmission plate.

[0025] The inner wall of the mounting shell is fixedly installed with a transmission piece, and the outer wall of the transmission piece is fixedly installed with a transmission block.

[0026] The outer wall of the mounting plate is fixedly installed with a control toothed plate, and the bottom of the transmission piece is fixedly installed with a transmission toothed plate engaged with the control toothed plate.

[0027] The beneficial effects of the present application are as follows:

[0028] 1. In the present application, the expansion part adopts an integral mirror-polished soft silica gel support pipe, the half-spherical design cooperates with the accurate support scale, compared with the traditional multi-lobed expansion pipe, not only reduces mechanical friction stimulation through the smooth surface, but also avoids tissue damage caused by excessive expansion, while improving the operation stability, the wiping mechanism is linked with the liquid supply mechanism, the outer wall of the support pipe is cleaned in real time with the disinfectant, the heat release of the heating powder of the storage mechanism releases heat, which not only accelerates the volatilization of the disinfectant to eliminate drug stimulation, but also preheats the support pipe to near the body temperature of the mother, avoids low temperature stimulation, forms a disinfection, volatilization and temperature control cycle, the vibration of the elastic strip in the storage mechanism can promote the uniform reaction of the heating powder, prolong the stable heat release time, not only guarantee the temperature control effect, but also help the disinfectant to fully volatilize, and the elastic cooperation design of the extrusion wheel and the control wheel ensures the smooth sliding of the support pipe, further reduces the mechanical stimulation in the operation, and the whole through the synergistic inhibition of mechanical, temperature and drug multidimensional stimulation, effectively reduces the stress reaction of the mother, and improves the success rate of embryo transplantation and operation safety.

[0029] 2. The application can prevent the support tube from shrinking and separating from the cervix, avoid its retraction from polluting the inner wall, and ensure the safety of operation through the cooperation of the transmission and operation mechanism. The spiral cooperation design of the control cylinder and the sliding shaft realizes one-handed finger pressing control of the support tube feeding, which is more flexible than the traditional two-handed operation, and is convenient for the other hand to control the implantation tube synchronously, thereby improving the operation efficiency. When the control wheel rotates, the sector gear and the transmission tooth plate are linked to drive the installation plate to slide, which not only drives the liquid supply mechanism to automatically transport the disinfectant through the connecting rod, but also drives the installation ring to rotate through the transmission ball and the second spiral groove, realizes the omnibearing disinfection of the wiping layer, reduces the dead angle, and at the same time, the sliding of the installation plate promotes the vibration of the transmission tooth plate and the control tooth plate, drives the elastic strip to turn over the heating powder through the transmission structure, and ensures the stable temperature control. BRIEF DESCRIPTION OF DRAWINGS

[0030] The application will be further described below in combination with the drawings.

[0031] Figure 1 is the overall structure schematic diagram of the application;

[0032] Figure 2 is the internal structure schematic diagram of the installation shell in the application;

[0033] Figure 3 is the installation schematic diagram of the wiping layer in the application;

[0034] Figure 4 is the installation schematic diagram of the control wheel in the application;

[0035] Figure 5 is the installation schematic diagram of the sliding shaft in the application;

[0036] Figure 6 is the structure schematic diagram of the control ring in the application;

[0037] Figure 7 is the structure schematic diagram of the elastic strip in the application;

[0038] Figure 8 is the structure schematic diagram of the transmission piece in the application.

[0039] In the figure: 1, installation shell; 2, storage box; 3, control cylinder; 4, support tube; 5, guide cylinder; 6, storage box; 7, mounting frame; 8, extrusion wheel; 9, control ring; 10, guide bar; 11, wiping layer; 12, storage cylinder; 13, mounting plate; 14, second spiral groove; 15, sector gear; 16, adapter ring; 17, steering box; 18, mounting ring; 19, connecting rod; 20, transmission worm; 21, transmission worm; 22, control wheel; 23, sliding shaft; 24, first spiral groove; 25, transmission ball; 26, transmission tooth plate; 27, transmission tooth plate; 28, control plug; 29, guide bead; 30, control tooth plate; 31, elastic strip; 32, transmission piece; 33, transmission block; 34, transmission plate. DETAILED DESCRIPTION

[0040] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the following will further illustrate the present application in combination with specific embodiments.

[0041] As Figures 1 to 8 shown, the cervical dilatation device for bovine embryo transfer of the present application comprises a hand-held part, a dilatation part, a wiping mechanism, a liquid supply mechanism and a storage mechanism.

[0042] The hand-held part comprises an installation shell 1 and a storage box 2 fixedly installed at the bottom of the installation shell 1, wherein the inner cavity of the storage box 2 is used to store a disinfectant (in this embodiment, medical disinfectant alcohol is selected), and the outside of the storage box 2 is provided with a disinfectant supplement port, and an exhaust port (not shown in the figure) is provided on the outside of the installation shell 1, which is used for the gas exhaust inside the installation shell 1.

[0043] The dilatation mechanism comprises a support tube 4, a control wheel 22 and an extrusion wheel 8, and a through hole for sliding the support tube 4 is formed in the outer wall of the installation shell 1, wherein one end of the support tube 4 is provided with a soft silica gel layer and is in a hemispherical shape, and when embryo transfer is performed, the support tube 4 is inserted into the cervix of the cow, the support tube 4 is a hollow tube, and the hollow part inside is used for the pipeline of the embryo transfer to pass through, and the support tube 4 supports to dilate the cervix of the cow, prevent the pipeline of the embryo transfer from scratching and pressing the inner wall of the cervix, and reduce the stimulation to the mother.

[0044] The support tube 4 is integrally arranged, and the outer wall is mirror polished, and the support tube 4 supports the expanded maternal cervix, compared with the Chinese patent with publication number CN220714094U, the smooth and integral support tube 4 can reduce the stimulation to the mother as much as possible, maintain the stability of the mother during transplantation, and reduce the operation difficulty (when the mother is stimulated during expansion, the mother moves, thereby increasing the difficulty of transplantation), and when the maternal cervix is expanded and supported, the space for supporting only needs to be provided for the implantation tube to pass, and the support tube 4 supports the maternal cervix, compared with the expandable expansion tube, the support tube 4 can reduce the stimulation to the mother due to excessive expansion during support, thereby reducing the mechanical force stimulation to the maternal cervix.

[0045] The extrusion wheel 8 is used for extruding the support tube 4 and is elastically arranged in the inside of the mounting shell 1, and the control wheel 22 is rotationally arranged in the inside of the mounting shell 1, and the radial outer wall is attached to the outer wall of the support tube 4, in the specific operation, first, the support tube 4 is inserted into the mounting shell 1 until the outer wall of the support tube 4 is attached to the outer wall of the control wheel 22, at this time, one end of the mounting shell 1 is aligned with the vaginal orifice of the mother, then the control wheel 22 is rotated, when the control wheel 22 is rotated, the support tube 4 is controlled to slowly slide through the friction force, until the hemispherical end of the support tube 4 extends into the maternal cervix, and reaches the required depth, then the rotation of the control wheel 22 is stopped, at this time, the support tube 4 maintains the state of supporting the maternal cervix, and provides preparation for embryo transplantation.

[0046] The wiping mechanism includes the mounting ring 18 and the wiping layer 11, in the embodiment, the wiping layer 11 is selected from sponge, the mounting ring 18 is a hollow structure, and is rotationally arranged on the inner wall of the mounting shell 1, the wiping layer 11 is fixedly arranged on the inner wall of the mounting ring 18, and the liquid supply mechanism is used for supplying the disinfectant to the inner cavity of the mounting ring 18, the disinfectant in the storage tank 2 is injected into the inner cavity of the mounting ring 18, the wiping layer 11 is soaked by the disinfectant, when the support tube 4 is inserted into the inside of the mounting shell 1, the outer wall of the wiping layer 11 is attached to the support tube 4, when the support tube 4 slides, the wiping layer 11 wipes the disinfectant on the outer wall of the support tube 4, thereby disinfecting the outer wall of the support tube 4, and the disinfectant is discharged through the hole in the outer wall of the mounting shell 1 after evaporation.

[0047] The support tube 4 after disinfection is inserted into the maternal cervix, which can effectively reduce the risk of infection of the maternal cervix, thereby protecting the health of the mother, and improving the survival rate of embryo transplantation.

[0048] The storage mechanism comprises the storage box 6 and the elastic strip 31, wherein the storage box 6 is made of breathable material, in the embodiment, the skeleton of the storage box 6 is made of plastic material, and the outside is wrapped with non-woven fabric; the inside of the storage box 6 is filled with heating powder (in the embodiment, the heating powder is a heating mixture composed of iron powder, activated carbon, vermiculite, table salt and filler); before use, the storage box 6 is inserted into the installation shell 1 after being filled with the heating powder; the oxygen in the air is adsorbed by the activated carbon and gathered on the surface of the iron powder; at the same time, the moisture provided by the moisturizing agent dissolves the table salt to form an electrolyte solution, thereby accelerating the oxidation reaction of the iron powder; the heat released in the reaction is stored in the heat preservation layer formed by the vermiculite and other components, thereby realizing continuous and stable heat release.

[0049] Due to the heat absorption of the disinfectant volatilization, the temperature of the outer wall of the support tube 4 is reduced, at this time, the heat is emitted from the outer wall of the storage box 6, on the one hand, the volatilization of the disinfectant is promoted, the disinfectant is prevented from contacting the maternal cervix, and the drug is prevented from stimulating the maternal cervix; on the other hand, the support tube 4 after disinfection is heated, thereby preventing the maternal cervix from being stimulated by the temperature when the support tube 4 is inserted into the maternal cervix.

[0050] The storage box 6 is detachably installed on the inner wall of the installation shell 1, one end of the elastic strip 31 extends into the inside of the storage box 6, and the elastic strip 31 is controlled to vibrate when the heating powder in the inside of the storage box 6 reacts and generates heat.

[0051] The elastic strip 31 can drive the powder to move, break the stratification of the components, make the iron powder more uniformly contact with the oxygen and the electrolyte solution, avoid the heat dead angle, disturb the air gap between the powders, accelerate the oxygen supplement and the internal heat diffusion, prevent local overheating or temperature deficiency, ensure the stable heat generation, loosen the possibly compacted powder in the reaction, maintain the loose structure of the powder, ensure the continuous penetration of the oxygen, thereby prolong the effective heating time, and improve the reaction uniformity, heat utilization efficiency and heat generation stability.

[0052] The inner wall of the installation shell 1 is slidably installed with the mounting frame 7 through an elastic member, the side wall of the extrusion wheel 8 is rotationally connected with the mounting frame 7 through a pin shaft, the elastic member is a spring, one end of the spring is connected with the mounting frame 7, and the other end of the spring is connected with the inner wall of the installation shell 1; the spring controls the extrusion wheel 8 to have the tendency of being attached to the support tube 4 in real time through the elastic force of the spring, and the stability of the sliding of the support tube 4 is maintained.

[0053] The inner wall of the installation shell 1 is fixedly installed with the steering box 17, the inner wall of the steering box 17 is rotationally installed with the transmission worm 20, the axial end of the transmission worm 20 is provided with the roller attached to the control wheel 22, the roller is driven to rotate by rotating the transmission worm 20, the control wheel 22 is driven to rotate by the roller, and the sliding of the support tube 4 is controlled.

[0054] The inner wall of the steering box 17 is rotatably installed with a transmission worm 21 engaged with a transmission worm gear 20, and rotating the transmission worm 21 drives the transmission worm gear 20 to rotate.

[0055] In this embodiment, the transmission of the transmission worm gear 20 and the transmission worm 21 has unidirectionality, which can prevent the support tube 4 from being separated from the maternal cervix due to accidental touch during operation, and can also prevent the part of the support tube 4 extending into the maternal body from entering the inside of the installation shell 1 after transplantation, thereby reducing the risk of contamination of the inner wall of the support tube 4.

[0056] As a preferred embodiment of the present application, the outer wall of the installation shell 1 is fixedly installed with a guide cylinder 5, and the inner wall of the guide cylinder 5 is elastically installed with a control cylinder 3, wherein the outer wall of the control cylinder 3 is provided with a spring, one end of the spring is connected with the inner wall of the guide cylinder 5, and after pressing the control cylinder 3, the control cylinder 3 is driven to reset by the elastic force.

[0057] The inner wall of the control cylinder 3 is fixedly installed with a guide bead 29, and the inner wall of the control cylinder 3 is slidably installed with a sliding shaft 23, and the radial outer wall of the sliding shaft 23 is provided with a first spiral groove 24 slidably matched with the guide bead 29, and when the control cylinder 3 is slid, the sliding shaft 23 is controlled to rotate through the cooperation of the guide bead 29 and the first spiral groove 24.

[0058] The sliding shaft 23 is connected with the axial end of the transmission worm 21 through a one-way bearing, and through the setting of the guide bearing, the transmission worm 21 is driven to rotate when the sliding shaft 23 rotates in the forward direction, and the transmission worm 21 remains fixed when the sliding shaft 23 rotates in the reverse direction.

[0059] When the control cylinder 3 is pressed, the sliding shaft 23 is driven to rotate in the forward direction, and when the control cylinder 3 is driven to reset by the elastic force, the sliding shaft 23 idles, and then during use, the staff only needs to control the slow advancement of the support tube 4 by repeatedly pressing the control cylinder 3 with the index finger, and the sliding of the support tube 4 can be controlled by pressing the control cylinder 3 with the index finger, which can realize one-handed operation to facilitate the staff to perform other operations (such as controlling the advancement of the pipeline of the transplanted embryo) with the other hand.

[0060] The outer wall of the mounting ring 18 is slidably installed with a control ring 9, and the inner wall of the installation shell 1 is fixedly installed with a guide strip 10 slidably connected with the control ring 9, and the sliding track of the control ring 9 is limited by the setting of the guide strip 10.

[0061] The inner wall of the control ring 9 is fixedly installed with a transmission ball 25, the radial outer wall of the mounting ring 18 is provided with a second spiral groove 14, and the outer wall of the transmission ball 25 is slidably matched with the second spiral groove 14, and the sliding of the control ring 9 drives the mounting ring 18 to rotate through the cooperation of the transmission ball 25 and the second spiral groove 14, and the different positions of the support tube 4 are wiped by the wiping layer 11 through the rotation of the mounting ring 18, thereby reducing the risk of disinfection dead angle.

[0062] As a preferred embodiment of the present application, the liquid supply mechanism comprises the storage cylinder 12, the control plug 28 and the adapter ring 16, the adapter ring 16 is connected with the mounting ring 18 through a sealing bearing, so that the mounting ring 18 is kept in sealed connection with the adapter ring 16 when the mounting ring 18 rotates.

[0063] The storage cylinder 12 is fixedly installed on the inner wall of the mounting shell 1, and the outer wall of the control plug 28 is in sliding fit with the inner wall of the storage cylinder 12, wherein the outer wall of the control plug 28 is in sealed fit with the inner wall of the storage cylinder 12.

[0064] The outer wall of the storage cylinder 12 is provided with a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are both provided with a one-way valve, and the directions of conduction are opposite.

[0065] The storage cylinder 12 is connected with the adapter ring 16 through the liquid outlet pipe, and the storage cylinder 12 is connected with the inner cavity of the storage tank 2 through the liquid inlet pipe, and the control plug 28 reciprocally slides to control the storage cylinder 12 to draw the disinfectant in the storage tank 2, and then the disinfectant is discharged into the inner cavity of the mounting ring 18 to realize the wetting of the wiping layer 11.

[0066] The outer wall of the control ring 9 is fixedly provided with the mounting plate 13, one end of the mounting plate 13 is connected with the outer wall of the storage cylinder 12 through an elastic member to realize the elastic connection between the mounting plate 13 and the storage cylinder 12, and the mounting plate 13 drives the control ring 9 to slide.

[0067] The outer wall of the mounting plate 13 is fixedly provided with the connecting rod 19, the other end of the connecting rod 19 extends into the inner cavity of the storage cylinder 12 and is fixedly connected with the outer wall of the control plug 28, and when the mounting plate 13 slides, the control plug 28 is driven to slide through the connecting rod 19 to realize the delivery of the disinfectant and control the rotation of the mounting ring 18.

[0068] The axial end of the control wheel 22 is fixedly provided with the sector gear 15, and the outer wall of the mounting plate 13 is fixedly provided with the transmission tooth plate 26 engaged with the sector gear 15, and the sector gear 15 is engaged with the transmission tooth plate 26 in the initial state.

[0069] When the control wheel 22 rotates, the sector gear 15 is driven to rotate, and at this time the mounting plate 13 is driven to slide through the transmission tooth plate 26, and when the sector gear 15 rotates to be separated from the transmission tooth plate 26, the mounting plate 13 is reset by the elastic force, and then when the control wheel 22 rotates, the delivery of the disinfectant and the rotation of the mounting ring 18 are realized.

[0070] The inner wall of the storage box 6 is fixedly provided with the transmission plate 34, and one end of the elastic strip 31 is fixedly connected with the outer wall of the transmission plate 34, wherein the transmission plate 34 is made of elastic material, and the transmission plate 34 is vibrated to transmit the vibration to the elastic strip 31.

[0071] The inner wall of the installation shell 1 is fixedly installed with a transmission sheet 32, and the outer wall of the transmission sheet 32 is fixedly installed with a transmission block 33. After the storage box 6 is inserted into the inside of the installation shell 1, the transmission sheet 32 extends into the inside of the storage box 6, and at this time, the transmission block 33 is attached to the transmission plate 34.

[0072] The outer wall of the installation plate 13 is fixedly installed with a control tooth plate 30, and the bottom of the transmission sheet 32 is fixedly installed with a transmission tooth plate 27 which is clamped with the control tooth plate 30. When the installation plate 13 reciprocally slides, the transmission tooth plate 27 and the control tooth plate 30 reciprocally dislocate and attach, so as to generate vibration, so as to transmit the vibration to the elastic strip 31, so as to stabilize the heat generation of the heat generation powder.

[0073] The above-mentioned front, back, left, right, up and down are based on the drawings of the specification Figure 1 and are defined as front, left, and the like according to the standard of the human observation angle.

[0074] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the scope of protection of the present application.

[0075] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A cervix dilator for bovine embryo transfer, characterized by: The utility model provides a disinfecting device, including handheld part, expansion part, wiping mechanism, liquid supply mechanism and storage mechanism, The handheld part comprises a mounting shell (1) and a storage box (2) fixedly mounted at the bottom of the mounting shell (1); The expansion mechanism comprises a supporting pipe (4), a control wheel (22) and a squeezing wheel (8), a through hole for the sliding of the supporting pipe (4) is formed in the outer wall of the mounting shell (1), the squeezing wheel (8) is used for squeezing the supporting pipe (4) and is elastically arranged in the mounting shell (1), and the control wheel (22) is rotatably arranged in the mounting shell (1) and is in contact with the outer wall of the supporting pipe (4) in the radial direction; The wiping mechanism comprises a mounting ring (18) and a wiping layer (11), the mounting ring (18) is a hollow structure and is rotatably arranged on the inner wall of the mounting shell (1), and the wiping layer (11) is fixedly arranged on the inner wall of the mounting ring (18); The liquid supply mechanism is used for providing disinfectant in the inner cavity of the mounting ring (18); The storage mechanism comprises a storage box (6) and an elastic strip (31), the storage box (6) is detachably arranged on the inner wall of the mounting shell (1), and one end of the elastic strip (31) extends into the storage box (6); The inner wall of the mounting shell (1) is slidably provided with a mounting frame (7) through an elastic member, and the side wall of the squeezing wheel (8) is rotatably connected with the mounting frame (7) through a pin shaft; The inner wall of the mounting shell (1) is fixedly provided with a steering box (17), the inner wall of the steering box (17) is rotatably provided with a transmission worm wheel (20), and the axial end of the transmission worm wheel (20) is provided with a roller in contact with the control wheel (22); The inner wall of the steering box (17) is rotatably provided with a transmission worm (21) engaged with the transmission worm wheel (20); The outer wall of the mounting shell (1) is fixedly provided with a guide cylinder (5), and the inner wall of the guide cylinder (5) is elastically provided with a control cylinder (3); The inner wall of the control cylinder (3) is fixedly provided with a guide bead (29), the inner wall of the control cylinder (3) is slidably provided with a sliding shaft (23), and the radial outer wall of the sliding shaft (23) is provided with a first helical groove (24) in sliding fit with the guide bead (29); The sliding shaft (23) is connected with the axial end of the transmission worm (21) through a one-way bearing.

2. A cervix dilator for embryo transfer in cattle according to claim 1, characterized in that: The outer wall of the mounting ring (18) is slidably provided with a control ring (9), the inner wall of the mounting shell (1) is fixedly provided with a guide strip (10) in sliding connection with the control ring (9), the inner wall of the control ring (9) is fixedly provided with a transmission ball (25), the radial outer wall of the mounting ring (18) is provided with a second helical groove (14), and the outer wall of the transmission ball (25) is in sliding fit with the second helical groove (14).

3. A cervix dilator for embryo transfer in cattle according to claim 2, characterized in that: The liquid supply mechanism comprises a storage cylinder (12), a control plug (28) and an adapter ring (16), the adapter ring (16) is connected with the mounting ring (18) through a sealing bearing, the storage cylinder (12) is fixedly arranged on the inner wall of the mounting shell (1), and the outer wall of the control plug (28) is in sliding fit with the inner wall of the storage cylinder (12). The outer wall of the storage cylinder (12) is provided with a one-way liquid inlet pipe and a liquid outlet pipe, the storage cylinder (12) is connected with the adapter ring (16) through the liquid outlet pipe, and the storage cylinder (12) is connected with the inner cavity of the storage box (2) through the liquid inlet pipe.

4. A cervix dilator for embryo transfer in cattle according to claim 3, characterized in that: The outer wall of the control ring (9) is fixedly provided with a mounting plate (13), one end of the mounting plate (13) is connected with the outer wall of the storage cylinder (12) through an elastic element, the outer wall of the mounting plate (13) is fixedly provided with a connecting rod (19), the other end of the connecting rod (19) extends to the inner cavity of the storage cylinder (12) and is fixedly connected with the outer wall of the control plug (28); The axial end of the control wheel (22) is fixedly provided with a sector gear (15), and the outer wall of the mounting plate (13) is fixedly provided with a transmission tooth plate (26) engaged with the sector gear (15).

5. A cervix dilator for embryo transfer in cattle as claimed in claim 4 wherein: The inner wall of the storage box (6) is fixedly provided with a transmission plate (34), and one end of the elastic strip (31) is fixedly connected with the outer wall of the transmission plate (34); The inner wall of the mounting shell (1) is fixedly provided with a transmission piece (32), and the outer wall of the transmission piece (32) is fixedly provided with a transmission block (33); The outer wall of the mounting plate (13) is fixedly provided with a control tooth plate (30), and the bottom of the transmission piece (32) is fixedly provided with a transmission tooth plate (27) engaged with the control tooth plate (30).

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