CN117598764B - Embryo uterus transplanting tube with controllable injection volume - Google Patents
Embryo uterus transplanting tube with controllable injection volume Download PDFInfo
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- CN117598764B CN117598764B CN202410099767.8A CN202410099767A CN117598764B CN 117598764 B CN117598764 B CN 117598764B CN 202410099767 A CN202410099767 A CN 202410099767A CN 117598764 B CN117598764 B CN 117598764B
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- 210000001161 mammalian embryo Anatomy 0.000 title claims abstract description 47
- 238000002347 injection Methods 0.000 title claims abstract description 28
- 239000007924 injection Substances 0.000 title claims abstract description 28
- 210000004291 uterus Anatomy 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 87
- 238000002054 transplantation Methods 0.000 claims abstract description 14
- 238000012546 transfer Methods 0.000 claims description 24
- 239000011229 interlayer Substances 0.000 claims description 19
- 238000004321 preservation Methods 0.000 claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000011550 stock solution Substances 0.000 claims 1
- 230000002572 peristaltic effect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 238000002513 implantation Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 210000003679 cervix uteri Anatomy 0.000 description 5
- 230000000638 stimulation Effects 0.000 description 5
- 210000001215 vagina Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 210000003101 oviduct Anatomy 0.000 description 4
- 210000002257 embryonic structure Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003708 ampul Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004696 endometrium Anatomy 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000009027 insemination Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The invention discloses an embryo uterus transplanting tube with a controllable injection volume, which comprises a liquid storage tube and a transplanting hose, wherein a hard connecting tube is arranged between the liquid storage tube and the transplanting hose, the transplanting hose penetrates through the hard sleeve, a liquid feeding cavity is formed in the hard connecting tube, a communicating hose is arranged in the liquid feeding cavity, the inner side wall of the liquid feeding cavity is of a circular arc structure, a rotor cam is arranged in the liquid feeding cavity, the communicating hose is in interference fit between the inner side wall of the liquid feeding cavity and the protruding end of the rotor cam, a handheld shell is arranged on the outer side of the hard connecting tube, movable pressing blocks are symmetrically arranged on the left side and the right side of the handheld shell, movable deflector rods are arranged on the inner sides of the movable pressing blocks, and the rotor cam is pressed and driven to rotate through the movable deflector rods. The invention adopts a pressing structure of the movable pressing block, forms an accurate feeding mechanism similar to a peristaltic pump by matching with a rotor cam, has more controllable operation, is more convenient to use by matching with a rigid sleeve, and is beneficial to improving the success rate of transplantation.
Description
Technical Field
The invention relates to the technical field related to embryo transplantation, in particular to an embryo uterus transplantation tube with controllable injection volume.
Background
Embryo transfer is an effective auxiliary reproduction technology, common embryo transfer methods comprise a oviduct transfer method and a uterine transfer method, wherein the oviduct transfer method needs to open an abdominal cavity to expose an oviduct ampulla for transferring the embryo to an oviduct, the operation process is relatively complex and has high risk, the uterine transfer method loads the embryo into a transfer tube, and the embryo is directly injected into a uterine cavity through a uterine cervix, and the embryo uterine transfer tube needs to adopt a soft transfer tube as much as possible to avoid damaging endometrium due to the special environment of the uterine cavity, so that most embryo uterine transfer tubes are focused on adopting different soft materials such as silicone tubes or polytetrafluoroethylene tubes at present.
Due to the soft characteristic of the embryo uterine transplantation tube, when embryo transplantation operation is carried out at present, the hose is usually matched with an aseptic syringe and an expander, the uterine transplantation tube filled with the embryo is connected with the aseptic syringe, the expander is used for expanding to expose the cervical, the transplantation hose is sent to the implantation position according to the uterine depth, the syringe is pushed to send the embryo to the transplantation point, and then the embryo is taken out, so that the embryo transplantation operation is completed.
The aseptic injector used in the operation mode mainly adopts manual control of sample injection by doctors, has the problems of inaccurate injection volume, easy back suction and the like, simultaneously has larger stimulation to vagina and uterus, cannot ensure the maintenance temperature of embryo transfer bodies or artificial insemination cells, influences the survival rate to a certain extent, brings certain negative factors to the success of embryo transfer, adopts a double-cavity guide tube as an embryo transfer instrument of Chinese patent publication No. CN208693401U, has bullet-shaped cones at the front ends of an inner tube and an outer tube, reduces the stimulation to vagina and uterus, sets a heat preservation heating layer in a cavity between the inner tube and the outer tube, and has the advantages that in the embryo transfer process, the utility model provides a suitable temperature has been guaranteed to embryo transfer's planting rate and pregnancy rate, but it adopts push formula filling equally, unable accurate control sampling speed and flow, its inside push structure that exists simultaneously, the outer tube structure of zone of heating leads to whole great diameter, simultaneously do not have the assistance of expander, there is inconvenience in the cervical position when operating, there is also a part of cervical internal orifice tighter easily simultaneously, the hose is difficult to get into or the cervical internal orifice is lax, phenomenon such as the liquid back flow that the inside and outside negative pressure contains the embryo appears also can influence embryo transfer's success rate, in view of this, the above-mentioned problem, intensive research has been carried out in depth, the scheme has produced.
Aiming at the problems, the novel design is carried out on the basis of the original embryo uterus transplanting tube.
Disclosure of Invention
The invention aims to provide an embryo uterus transplantation tube with controllable injection volume, so as to solve the problems that the injection volume of pushing type injection of the embryo uterus transplantation tube is inconvenient to accurately control, the stimulation to vagina and uterus is large and operation assistance is lacking in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: an embryo uterus transplanting tube with controllable injection volume comprises a liquid storage tube and a transplanting hose;
a hard connecting pipe is arranged between the liquid storage pipe and the transplanting hose, and a first joint and a second joint are respectively arranged at the upper end and the lower end of the hard connecting pipe;
the liquid outlet end of the liquid storage pipe is connected with the hard connecting pipe through a first joint, the liquid inlet end of the transplanting hose is connected with the hard connecting pipe through a second joint, and the first joint and the second joint are respectively matched with the nipple-shaped connecting ends of the liquid storage pipe and the transplanting hose in shape;
the outer side of the second joint is sleeved with a rigid sleeve, the transplanting hose penetrates through the rigid sleeve, the outer surface of the second joint is provided with a joint sealing ring, and the second joint and the rigid sleeve are mutually jointed through the joint sealing ring;
a liquid feeding cavity is formed in the hard connecting pipe, a communication hose is arranged in the liquid feeding cavity, and a liquid flowing path is formed between the liquid storage pipe and the transplanting hose through the communication hose;
the inner side wall of the liquid feeding cavity is of a circular arc structure, a rotor cam is arranged in the liquid feeding cavity, and the rotor cam forms a rotating structure by taking a fixed shaft as a rotating shaft in the middle of the liquid feeding cavity;
the rotor cam is of a triangular cam structure, and the communicating hose is in interference fit between the inner side wall of the liquid feeding cavity and the protruding end of the rotor cam;
the outer side of the hard connecting pipe is provided with a handheld shell, the left side and the right side of the handheld shell are symmetrically provided with movable grooves, and movable pressing blocks are movably arranged in the movable grooves;
the movable pressing block forms a telescopic structure at the movable groove, the movable pressing block and the hard connecting pipe are elastically supported through a reset spring, a movable deflector rod is arranged at the inner side of the movable pressing block, and the rotor cam is pressed and driven to rotate through the movable deflector rod.
Preferably, the lower end of the transplanting hose is provided with a liquid outlet, and the outer ring of the liquid outlet is nested and fixed with a developing ring;
the surface of the transplanting hose is uniformly distributed with scale marks.
By adopting the technical scheme, the developing ring at the liquid outlet is favorable for marking and positioning when in-cavity implantation injection, the ultrasonic visualization is realized by the developing ring at the front end of the developing ring, the implantation condition is optimized, the depth position is determined when the embryo is placed conveniently, meanwhile, the accurate scale can be mastered by assisting an operator by matching with the scale mark, the operation is convenient, and the developing ring has good practicability.
Preferably, the rigid sleeve comprises a telescopic section, an arc-shaped guiding section, a cervical section and a conical head from top to bottom, and the telescopic section, the arc-shaped guiding section, the cervical section and the conical head are integrally of an integrated structure.
By adopting the technical scheme, the rigid sleeve is mainly used for guiding the transplanting hose to extend in, plays a role similar to a vaginal speculum in the conventional technical means, and is convenient to directly extend the rigid sleeve into the uterus position in cooperation with the transplanting hose.
Preferably, the telescopic section is integrally sleeved outside the second connector, the length of the telescopic section is equal to that of the second connector, and the telescopic section forms a sliding telescopic structure outside the second connector and the transplanting hose.
By adopting the technical scheme, the rigid sleeve can be further movably adjusted relative to the transplanting hose through the sliding telescopic structure of the telescopic section, the rigid sleeve is positioned at the lower end of the second joint in the initial state of butt joint of the transplanting hose, after the rigid sleeve passes through the cervical position, the rigid sleeve can move upwards and slide and shrink relative to the second joint, and the transplanting hose can further stretch out relative to the rigid sleeve to perform position adjustment.
Preferably, the whole surfaces of the arc-shaped guide section, the cervical section and the conical head are arc-shaped structures, the diameter of the arc-shaped guide section is equal to that of the telescopic section, and the diameters of the cervical section and the conical head are smaller than those of the arc-shaped guide section.
By adopting the technical scheme, the arc-shaped guide section is mainly used for guiding the transplanting hose, is convenient to be attached to the natural curve in the cavity, is convenient to operate, is a round conical structure with smaller-diameter cervical sections and conical heads matched with the conical heads, and can be convenient to break through the cervical positions.
Preferably, the inside of flexible section is provided with the heat preservation intermediate layer, and the heat preservation intermediate layer is located between rigid sleeve pipe and the transplantation hose to the heat preservation intermediate layer is provided with the water inlet in the side upper end of flexible section.
By adopting the technical scheme, the surface temperature of the rigid sleeve and the internal transplanting hose can be moderately heated in water bath by arranging the heat-insulating interlayer, which is favorable for keeping the activity of the embryo and reducing uncomfortable feeling.
Preferably, the filling liquid sac is attached to the periphery of the cervical section, the filling liquid sac is made of elastic shrinkage materials, the filling liquid sac is communicated with the heat preservation interlayer, and the water injected at the water inlet forms a closed cavity structure inside the filling liquid sac and the heat preservation interlayer.
By adopting the technical scheme, the filling liquid sac can be matched with the liquid in the heat-insulating interlayer, after the cervical section moves to the cervical position, the normal operation flow is that the transplanting hose further stretches out, the telescopic section slides at the second joint, at the moment, the fitting sealing ring at the fitting position of the second joint can squeeze the liquid in the heat-insulating interlayer to enter the filling liquid sac to expand the cervical position, so that uncomfortable feeling in the operation process is reduced, the influence of conditions such as negative pressure inside and outside a cavity can be reduced for the relaxation of the cervical opening, the implanted liquid reflux containing embryos is prevented, the embryo transplanting failure rate is reduced, and the transplanting success rate is improved.
Preferably, the movable deflector rod comprises a movable rod, a pawl, a movable shaft and a torsion spring, the movable rod is a movable deflector rod main body, a rotary structure is formed between the movable rod and the side wall of the movable pressing block through the movable shaft, and the movable rod is kept in elastic support at the movable shaft through the torsion spring.
By adopting the technical scheme, the movable deflector rod is driven to drive the rotor cam in a pressing mode by pressing the movable pressing block, the rotor cam is matched to form a peristaltic pump-like structure for injection control, and the pressing operation is more controllable than pushing injection in the conventional operation.
Preferably, the tail end of the movable rod is integrally provided with a pawl, the side surface of the rotor cam is provided with a synchronous movable wheel, the outer ring of the synchronous movable wheel is uniformly distributed with ratchets, and the synchronous movable wheel forms a unidirectional transmission structure through the cooperation of the pawl and the ratchets.
By adopting the technical scheme, the ratchet pawl structure of the movable deflector rod is driven to unidirectionally drive the rotor cam in a manner of pressing the movable pressing block, and the plurality of movable deflector rods are staggered to move, so that the reciprocating operation is convenient, and the backflow can be effectively prevented.
Preferably, the front side and the rear side of the rotor cam are respectively provided with a movable deflector rod and a synchronous movable wheel, the movable deflector rods are symmetrically arranged on the upper side and the lower side of the movable deflector rods, and the directions of the pawl and the ratchet unidirectional transmission structure on the front side and the rear side of the rotor cam are opposite.
By adopting the technical scheme, through arranging a plurality of pawls and ratchet teeth which are alternately movable to be matched with each other, the proper number of teeth and tooth pitch can be convenient for maintaining the continuity of injection operation.
Compared with the prior art, the invention has the beneficial effects that: the embryo uterus transplanting tube with controllable injection volume,
the movable pressing block is adopted to press the pressing structure, the rotor cam is driven by the unidirectional driving structure matched with the ratchet teeth to form an accurate feeding mechanism similar to a peristaltic pump, meanwhile, the operation of reciprocating pressing is more controllable relative to the operation of direct pushing control pushing distance, in the pressing use process of the movable pressing block, the pawls of the upper and lower movable deflector rods on two sides of the rotor cam alternately drive the synchronous movable wheels with the ratchet teeth on two sides of the rotor cam in a unidirectional manner, so that the continuous driving of the rotor cam is kept in the reciprocating movement process of the movable pressing block, the driving feeding of the peristaltic pump is more accurate, the reciprocating operation is more controllable, meanwhile, liquid backflow can be effectively reduced, the embryo transfer operation is facilitated, and the operation is more accurate and convenient.
2. The rigid sleeve structure is arranged to replace the expander, meanwhile, the inner layer of the rigid sleeve comprises the heat preservation interlayer, a certain water bath heating can be carried out, the conical head of the rigid sleeve and the integral arc structure are matched, the rigid sleeve can be inserted into and pass through the vagina and the internal opening of the cervix more easily, the stimulation to the vagina and the cervix is reduced, the embryo survival rate is improved, the water in the heat preservation interlayer is further matched with the filling liquid sac, when the transplanting hose enters the cervix for further deepening, the second joint is matched with the sealing ring to extrude the inner space of the heat preservation interlayer to fill the filling liquid sac at the cervical position at the moment, the auxiliary stable filling limit is carried out under the condition of reducing the stimulation to the cervix as much as possible, the conditions of internal and external negative pressure, embryo liquid backflow and the like are reduced when the operation is more stable, and the transplanting success rate is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention when in butt joint;
FIG. 3 is a schematic view of the matching structure of the liquid feeding cavity and the rotor cam of the invention;
FIG. 4 is a schematic view of the internal structure of the present invention during standby;
FIG. 5 is a schematic view of the structure of the movable pressing block of the invention when released;
FIG. 6 is a schematic view of the structure of the movable pressing block of the present invention when pressed;
FIG. 7 is a schematic view of the internal structure of the present invention in use;
fig. 8 is an enlarged schematic view of the structure of fig. 7 a according to the present invention.
In the figure: 1. a liquid storage tube; 2. transplanting a hose; 21. a liquid outlet; 22. a developing ring; 23. scale marks; 3. a hard connecting pipe; 4. a first joint; 5. a second joint; 6. a rigid sleeve; 61. a telescoping section; 62. an arcuate guide section; 63. cervical segment; 64. a conical head; 65. a heat preservation interlayer; 66. a water inlet; 67. filling the fluid bladder; 7. attaching a sealing ring; 8. a liquid supply cavity; 9. a communication hose; 10. a rotor cam; 11. a fixed shaft; 12. a hand-held housing; 13. a movable groove; 14. a movable pressing block; 15. a return spring; 16. a movable deflector rod; 161. a movable rod; 162. a pawl; 163. a movable shaft; 164. a torsion spring; 17. a synchronous movable wheel; 18. a ratchet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the embryo uterus transplanting tube with controllable injection volume comprises a liquid storage tube 1 and a transplanting hose 2, wherein a hard connecting tube 3 is arranged between the liquid storage tube 1 and the transplanting hose 2, the upper end and the lower end of the hard connecting tube 3 are respectively provided with a first joint 4 and a second joint 5, the liquid outlet end of the liquid storage tube 1 is connected with the hard connecting tube 3 through the first joint 4, the liquid inlet end of the transplanting hose 2 is connected with the hard connecting tube 3 through the second joint 5, and the first joint 4 and the second joint 5 are respectively matched with the nipple-shaped connecting ends of the liquid storage tube 1 and the transplanting hose 2 in shape; a liquid outlet 21 is formed in the lower end of the transplanting hose 2, and a developing ring 22 is nested and fixed on the outer ring of the liquid outlet 21; the surface evenly distributed who transplants hose 2 has scale marking 23, and the developing ring 22 that is located liquid outlet 21 department helps carrying out the mark location when carrying out the intracavity implantation injection, and cooperation scale marking 23 also can assist operating personnel to master accurate scale simultaneously, conveniently operates, has good practicality.
As shown in fig. 1-2, the outer side of the second joint 5 is sleeved with a rigid sleeve 6, the transplanting hose 2 penetrates through the rigid sleeve 6, the outer surface of the second joint 5 is provided with a fitting sealing ring 7, and the second joint 5 and the rigid sleeve 6 are mutually fitted through the fitting sealing ring 7; the rigid sleeve 6 comprises a telescopic section 61, an arc-shaped guide section 62, a cervical section 63 and a conical head 64 from top to bottom, and the telescopic section 61, the arc-shaped guide section 62, the cervical section 63 and the conical head 64 are integrally of an integrated structure, and the rigid sleeve 6 is mainly used for guiding the implantation of the implantation hose 2, plays a role similar to a vaginal speculum in a conventional technical means, and is convenient to directly extend the rigid sleeve 6 into the uterine position in cooperation with the implantation hose 2. The telescopic section 61 is integrally sleeved outside the second joint 5, the length of the telescopic section 61 is equal to that of the second joint 5, the telescopic section 61 forms a sliding telescopic structure outside the second joint 5 and the transplanting hose 2, the rigid sleeve 6 can be further movably adjusted relative to the transplanting hose 2 through the sliding telescopic structure of the telescopic section 61, the rigid sleeve 6 is positioned at the lower end position of the second joint 5 in the initial state that the transplanting hose 2 is abutted against the second joint 5, the rigid sleeve 6 can move upwards and slide and shrink relative to the second joint 5 after passing through the cervical position, and the transplanting hose 2 can further extend out relative to the rigid sleeve 6 for position adjustment as shown in fig. 7.
The whole surface of arc guide section 62, cervical section 63 and conical head 64 is arc type structure, and the diameter of arc guide section 62 equals with the diameter of telescopic section 61 to the diameter of cervical section 63 and conical head 64 is less than arc guide section 62 diameter, and arc guide section 62 mainly used guides transplanting hose 2, and convenient the intracavity nature curve of laminating more facilitates the operation, and the circular cone conical structure of conical head 64 is cooperateed to cervical section 63 and conical head 64 of smaller diameter, can be convenient for break through cervical position.
As shown in fig. 2, 4 and 7-8, the heat-insulating interlayer 65 is arranged inside the telescopic section 61, the heat-insulating interlayer 65 is positioned between the rigid sleeve 6 and the transplanting hose 2, the water inlet 66 is arranged at the upper side end of the telescopic section 61 of the heat-insulating interlayer 65, and moderate water bath heating can be performed on the surface temperature of the rigid sleeve 6 and the internal transplanting hose 2 through the heat-insulating interlayer 65, so that the embryo activity is kept and the discomfort is reduced. The filling liquid sac 67 is attached to the periphery of the cervical segment 63, the filling liquid sac 67 is made of elastic shrinkage materials, the filling liquid sac 67 is communicated with the heat insulation interlayer 65, a water body injected into the water inlet 66 forms a closed cavity structure inside the filling liquid sac 67 and the heat insulation interlayer 65, the filling liquid sac 67 can be matched with liquid in the heat insulation interlayer 65, after the cervical segment 63 moves to the cervical position, the normal operation flow is that the transplanting hose 2 further stretches out, the telescopic segment 61 slides at the second joint 5, at the moment, the attaching sealing ring 7 at the attaching position of the second joint 5 can squeeze liquid in the heat insulation interlayer 65 to enter the filling liquid sac 67 to expand the cervical position as shown in fig. 8, on one hand, uncomfortable feeling in the operation process is reduced, the influence of conditions such as negative pressure inside and outside the cavity can be reduced, the implanted liquid reflux containing embryos is prevented, the embryo transplanting failure rate is reduced, and the transplanting success rate of embryos is improved.
As shown in fig. 3 and fig. 5 to 6, the hard connecting pipe 3 is provided with a liquid feeding cavity 8 inside, the liquid feeding cavity 8 is provided with a communication hose 9 inside, and a liquid flow passage is formed between the liquid storage pipe 1 and the transplanting hose 2 through the communication hose 9; the inner side wall of the liquid feeding cavity 8 is of a circular arc structure, a rotor cam 10 is arranged in the liquid feeding cavity 8, and the rotor cam 10 forms a rotary structure by taking a fixed shaft 11 as a rotating shaft in the middle of the liquid feeding cavity 8; the rotor cam 10 is of a triangular cam structure as shown in fig. 3, and the communication hose 9 is in interference fit between the inner side wall of the liquid feeding cavity 8 and the protruding end of the rotor cam 10; the outer side of the hard connecting pipe 3 is provided with a handheld shell 12, the left side and the right side of the handheld shell 12 are symmetrically provided with movable grooves 13, and movable pressing blocks 14 are movably arranged in the movable grooves 13; the movable pressing block 14 forms a telescopic structure at the movable groove 13, the movable pressing block 14 and the hard connecting pipe 3 are elastically supported by a reset spring 15, a movable deflector rod 16 is arranged at the inner side of the movable pressing block 14, and the rotor cam 10 is pressed and driven to rotate by the movable deflector rod 16.
As shown in fig. 4 to 7, the movable deflector rod 16 includes a movable rod 161, a pawl 162, a movable shaft 163 and a torsion spring 164, the movable rod 161 is a main body of the movable deflector rod 16, a rotating structure is formed between the movable rod 161 and the side wall of the movable pressing block 14 through the movable shaft 163, the movable rod 161 is elastically supported at the movable shaft 163 through the torsion spring 164, the movable deflector rod 16 is driven to drive the rotor cam 10 by pressing the movable pressing block 14, injection control is performed by matching with the rotor cam 10 to form a peristaltic pump-like structure, and the pressing operation is more controllable than pushing injection in the conventional operation. The end integration of movable rod 161 is provided with pawl 162, and the side of rotor cam 10 is provided with synchronous running wheel 17 to synchronous running wheel 17's outer loop evenly distributed has ratchet 18, and synchronous running wheel 17 passes through pawl 162 and ratchet 18 cooperation and constitutes one-way transmission structure, drives the ratchet pawl structure of movable driving lever 16 through pressing the mode of activity press 14 and carries out one-way drive to rotor cam 10 like fig. 6, and is crisscross the activity through a plurality of movable driving levers 16, and convenient reciprocating operation can also effectively prevent the refluence. The front side and the rear side of the rotor cam 10 are respectively provided with a movable deflector rod 16 and a synchronous movable wheel 17, the movable deflector rods 16 are symmetrically arranged on the upper side and the lower side of the movable deflector rods 16, the directions of the pawl 162 and the ratchet 18 on the front side and the rear side of the rotor cam 10 are opposite, and the proper number of teeth and the proper tooth pitch can be convenient for maintaining the continuity of injection operation by arranging a plurality of alternately movable pawls 162 and ratchet 18 to be matched with each other.
What is not described in detail in this specification is prior art known to those skilled in the art. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an embryo uterus transplantation pipe of controllable injection volume, includes stock solution pipe (1) and transplantation hose (2), its characterized in that:
a hard connecting pipe (3) is arranged between the liquid storage pipe (1) and the transplanting hose (2), a first joint (4) and a second joint (5) are respectively arranged at the upper end and the lower end of the hard connecting pipe (3), and a liquid outlet (21) is formed at the lower end of the transplanting hose (2);
the liquid outlet end of the liquid storage pipe (1) is connected with the hard connecting pipe (3) through a first joint (4), the liquid inlet end of the transplanting hose (2) is connected with the hard connecting pipe (3) through a second joint (5), and the first joint (4) and the second joint (5) are respectively matched with nipple-shaped connecting ends of the liquid storage pipe (1) and the transplanting hose (2);
the outer side of the second joint (5) is sleeved with a rigid sleeve (6), the transplanting hose (2) penetrates through the rigid sleeve (6), the outer surface of the second joint (5) is provided with a joint sealing ring (7), and the second joint (5) and the rigid sleeve (6) are mutually jointed through the joint sealing ring (7);
a liquid feeding cavity (8) is formed in the hard connecting pipe (3), a communication hose (9) is arranged in the liquid feeding cavity (8), and a liquid flowing passage is formed between the liquid storage pipe (1) and the transplanting hose (2) through the communication hose (9);
the inner side wall of the liquid feeding cavity (8) is of a circular arc structure, a rotor cam (10) is arranged in the liquid feeding cavity (8), and the rotor cam (10) forms a rotating structure by taking a fixed shaft (11) as a rotating shaft at the middle part of the liquid feeding cavity (8);
the rotor cam (10) is of a triangular cam structure, and the communication hose (9) is in interference fit between the inner side wall of the liquid feeding cavity (8) and the protruding end of the rotor cam (10);
the outer side of the hard connecting pipe (3) is provided with a handheld shell (12), the left side and the right side of the handheld shell (12) are symmetrically provided with movable grooves (13), and movable pressing blocks (14) are movably arranged in the movable grooves (13);
the movable pressing block (14) forms a telescopic structure at the movable groove (13), the movable pressing block (14) and the hard connecting pipe (3) are elastically supported by a reset spring (15), the inner side of the movable pressing block (14) is provided with a movable deflector rod (16), and the rotor cam (10) is driven to rotate by pressing through the movable deflector rod (16);
the movable deflector rod (16) comprises a movable rod (161), a pawl (162), a movable shaft (163) and a torsion spring (164), the movable rod (161) is a main body of the movable deflector rod (16), a rotary structure is formed between the movable rod (161) and the side wall of the movable pressing block (14) through the movable shaft (163), and the movable rod (161) is kept in elastic support at the movable shaft (163) through the torsion spring (164);
the tail end of the movable rod (161) is integrally provided with a pawl (162), the side surface of the rotor cam (10) is provided with a synchronous movable wheel (17), ratchet teeth (18) are uniformly distributed on the outer ring of the synchronous movable wheel (17), and the synchronous movable wheel (17) is matched with the ratchet teeth (18) through the pawl (162) to form a unidirectional transmission structure.
2. An injection volume controllable embryo uterine transfer tube according to claim 1, characterized in that: the outer ring of the liquid outlet (21) is nested and fixed with a developing ring (22);
the surface of the transplanting hose (2) is uniformly distributed with scale marks (23).
3. An injection volume controllable embryo uterine transfer tube according to claim 1, characterized in that: the rigid sleeve (6) comprises a telescopic section (61), an arc-shaped guide section (62), a cervical section (63) and a conical head (64) from top to bottom, and the telescopic section (61), the arc-shaped guide section (62), the cervical section (63) and the conical head (64) are integrally of an integrated structure.
4. A controlled injection volume embryo uterine transfer tube according to claim 3, characterized in that: the telescopic section (61) is integrally sleeved outside the second connector (5), the length of the telescopic section (61) is equal to that of the second connector (5), and the telescopic section (61) forms a sliding telescopic structure outside the second connector (5) and the transplanting hose (2).
5. An injection volume controllable embryo uterine transfer tube according to claim 4, wherein: the whole surfaces of the arc-shaped guide section (62), the cervical section (63) and the conical head (64) are of arc-shaped structures, the diameter of the arc-shaped guide section (62) is equal to that of the telescopic section (61), and the diameters of the cervical section (63) and the conical head (64) are smaller than that of the arc-shaped guide section (62).
6. An injection volume controllable embryo uterine transfer tube according to claim 5, wherein: the inside of flexible section (61) is provided with heat preservation intermediate layer (65), and heat preservation intermediate layer (65) are located between rigid sleeve (6) and transplanting hose (2), and heat preservation intermediate layer (65) are provided with water inlet (66) in the side upper end of flexible section (61).
7. An injection volume controllable embryo uterine transfer tube according to claim 6, wherein: the periphery of the cervical segment (63) is attached with a filling liquid sac (67), the filling liquid sac (67) is made of elastic shrinkage materials, the filling liquid sac (67) is communicated with the heat preservation interlayer (65), and a water body injected at the water inlet (66) forms a closed cavity structure inside the filling liquid sac (67) and the heat preservation interlayer (65).
8. An injection volume controllable embryo uterine transfer tube according to claim 1, characterized in that: the rotor cam (10) is characterized in that the front side and the rear side of the rotor cam (10) are respectively provided with a movable deflector rod (16) and a synchronous movable wheel (17), the movable deflector rods (16) are symmetrically arranged on the upper side and the lower side of the movable deflector rods (16), and the directions of the pawl (162) and the ratchet (18) on the front side and the rear side of the rotor cam (10) are opposite.
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