CN209153918U - A kind of embryo transfer device - Google Patents

Abstract

A kind of embryo transfer device, including positioning pipe of exploring the way, embryo contain pipe, the first solid support pipe and the second solid support pipe.Positioning pipe of exploring the way includes exploring the way to position tube body, the first bending section and the first hand-held shank.It includes that embryo contains tube body and the second hand-held shank that embryo, which contains pipe,.The first splendid attire mark, the second splendid attire mark and third are equipped at intervals on the rear end of embryo's splendid attire tube body from front to back to contain and identify.First solid support pipe includes the first support tube body and the second bending section, and the second solid support pipe includes the second support tube body and third bending section；Second bending section and third bending section have different curvature, and the first support tube body and the second support tube body have different hardness.The utility model can overcome existing commercial embryo transplantation tube size design not good enough well, lead to bleeding and damage genital tract, the shortcomings that cannot flexibly coping with different curvature genital tracts and deficiency there are repeated intubation failure or because inner core material is really up to the mark in migration process.

Description

A kind of embryo transfer device

Technical field

The utility model relates to medical instruments field more particularly to a kind of embryo transfer devices.

Background technique

With the relieving of national " two children " policy comprehensively, more and more women have the demand of fertility aspect.But due to year Age increase, environmental pollution, job and life stress be big and the overlaying influence of the factors such as bad life style, current China it is infertile In 12.5%-15%, this would have to by supplementary reproduction (test-tube baby) technology sterile disease incidence.

Embryo transfer is that extracorporeal culturing embryo is sent back to the intracavitary process of maternal uterine, is entire tube-test baby techniques operation Final step be also an extremely critical step, and embryo transfer catheter is necessary work the step for completing embryo transfer Tool.But in the actual operation process, the embryo transplantation tube of many commercializations still has many deficiencies.For example, current most The embryo transplantation tube that Reproductive Medicine Center uses is counted as American-European product, and in the presence of poor on physiological structure between ethnic group between east and west Different, in contrast, the genital tract of Asians is slightly shorter and cervix opening is also slightly narrow, this allow for conduit be easy during merging to Patient causes sense of discomfort；In addition, current conduit or only transplanting outer tube and embryo transfer inner tube, or transplanting outer tube is connected One hard inner core adds a transplanting inner tube again, but in practical embryo transfer operating process, it has been found that different patients are because of year The factors such as age, operation past medical history, individual physical difference cause genital tract situation different, and the genital tract of some patients is relatively logical Freely, the positioning of transplantation site can be completed with the outer tube without inner core at this time, and such as according to band inner core, (and mostly hard is stainless Steel) grafts, then exist and physical injury generated to genital tract during setting pipe, bleeding or endometrium occurs The risk of damage etc., and there is situations such as in various degree tortuous, narrow, be adhered in the genital tract of other patients, at this time not Outer tube with inner core is difficult to be placed in, and repeated multiple times pipe of setting has some setbacks meeting so that the extension of transfer operation time, also increases embryo The time of tire exposure in vitro, and temporarily change the consumption that the transfer catheter with inner core then increases operation cost；On the other hand, Due to individual patients differences of Physiological and embryo transfer operation same day patient drinking-water suppress urine situation it is different, lead to bladder pressure The radian that urgent genital tract forms " uterine cavity-cervical-vaginal " three varies, but current transfer catheter or inner core is often Only a kind of radian of fixation, even without the straight tube of radian, this is difficult to match under different patient's different situations not for some With the genital tract of radian, the discomfort of patient why has been added while coming difficult to the out tape of operation.

The problem of another merits attention during embryo transfer is embryo should to be made as far as possible to be in during transplanting 37 DEG C of environment, rather than rest under room temperature environment, but current commercialization grafts often pack 2 or 3 root canals together, And embryo transfer operation be in fact a substep process, this result in dismantle take out transplanting outer tube carry out the first step set pipe behaviour While work, transplanting inner tube also exposes at normal temperature simultaneously, and transplanting inner tube is that same embryo is directly contacted, premature to tear open It opens and is in and further develop and subsequent implantation, pregnant risk in the presence of influencing embryo at room temperature.

In addition, the scale of the commercialization grafts of current import is marked with black thin, but in operation instruction On book, the statement of different manufacturers is again different, has plenty of " edge is aligned with inner tube Article 3 scale after outer tube ", has plenty of " interior The distance of 2cm is reserved after pipe insertion outer tube ", besides " length that inner tube scale reserves two lattice half ", such scale mark Neither intuitive easily generate again is obscured.

Summary of the invention

In order to solve the problems, such as that existing embryo transfer device is larger to the physical injury of east patient in catheterization procedure, The utility model, which provides, a kind of can effectively avoid catheterization procedure can to the physical injury of genital tract and feeling of pain, transplantation effect It leans on, operate comfortable embryo transfer device.

The technical solution that the utility model solves the above problems is:

Embodiments herein provides a kind of embryo transfer device, including positioning pipe of exploring the way, embryo contain pipe, first solid Support tube and the second solid support pipe；

The positioning pipe of exploring the way is hollow stereoplasm tube, and the rear and front end of the positioning pipe of exploring the way penetrates through, described to explore the way Positioning pipe includes that horizontally disposed explore the way positions tube body, and described explore the way positions the front end of tube body and be connected with and facilitate insertion into women The first bending section in genital tract, and first bending section is to curving；Described explore the way positions the rear end connection of tube body There is the first hand-held shank；And first bending section, described explore the way position tube body and are connected with the hand-held shank, to be formed Pipe, the first solid support pipe or the second perforative channel of solid support pipe are contained for the embryo；

The rear end of first bending section is connect with the front end for positioning tube body of exploring the way, the front end end of first bending section Head is the round and smooth head made by developing material；Being arranged on the front end for position tube body of exploring the way can be in the positioning pipe of exploring the way The cervical orifice spacing collar slided on ontology；It is successively equipped at intervals with first from front to back on the front end for position tube body of exploring the way Explore the way mark, second explore the way mark and third is explored the way mark, and second explore the way the rear and front end of mark and first explore the way mark and The explore the way spacing of mark of third is the first spacing；

It is hollow soft pipe that the embryo, which contains pipe, and the embryo contains the rear and front end perforation of pipe, the embryo Containing pipe includes that horizontally disposed embryo contains tube body, and the rear end that embryo contains tube body is connected with the second hand-held shank, and The embryo contains tube body and is connected with the described second hand-held shank, to constitute the channel passed through for embryo；

The embryo contain be equipped at intervals with from front to back on the rear end of tube body the first splendid attire mark, second contain mark and Third contains mark, and second contain the rear and front end of mark and first contain mark and third to contain the spacing identified be the One spacing；

Described first, which contains mark, contains the distance of tube body front end surface and the length of the positioning pipe of exploring the way apart from embryo It spends equal；

The first solid support pipe is solid stereoplasm tube, and the first solid support pipe includes horizontally disposed first Tube body is supported, the front end of the first support tube body connects the second bending section of oriented curving, to be inserted into the spy It is adapted in the positioning pipe of road and with the positioning pipe of exploring the way, the rear end of the first support tube body is connected with third hand holding handle Portion；

The second solid support pipe is solid stereoplasm tube, and the second solid support pipe includes horizontally disposed second Tube body is supported, the front end of the second support tube body connects the third bending section of oriented curving, to be inserted into the spy It is adapted in the positioning pipe of road and with the positioning pipe of exploring the way, the rear end of the second support tube body is connected with the 4th hand holding handle Portion；

Second bending section and the third bending section have different curvature, the first support tube body and described Second support tube body has different hardness.

Further, the rear end for positioning tube body of exploring the way is equipped with the bending direction for guiding the first bending section Guide identifier.

Further, the guide identifier is that the salient point explored the way and positioned on tube body is arranged in, and the protrusion of the salient point Direction is identical as the bending direction of first bending section.

Further, first spacing is 1cm.

Further, first explore the way mark, second explore the way mark and third mark of exploring the way is along positioning pipe sheet of exploring the way The cyclic annular graduation mark explored the way and positioned on tube body is arranged in the circumferential direction of body.

Further, the first mark of exploring the way at a distance from the front end surface of first bending section is 40mm.

Further, it is to contain pipe sheet along embryo that the first splendid attire mark, the second splendid attire mark and third splendid attire, which identify, The cyclic annular graduation mark on embryo's splendid attire tube body is arranged in the circumferential direction of body.

Further, the first hand-held shank, third hold to be equipped on shank and the 4th hand-held shank and hold convenient for what is held Device is held, the grip device includes two held on the upside of shank and the 4th hand-held shank positioned at the first hand-held shank, third Finger groove and the finger groove that shank and the 4th hand holding handle subordinate side are held positioned at the first hand-held shank, third.

Further, exploring the way, positioning pipe, embryo's splendid attire are managed, the first solid support pipe and the second solid support pipe independently wrap Dress.

Further, the outer diameter of the positioning pipe of exploring the way is 2.0mm.

The beneficial effects of the utility model are mainly manifested in:

(1) exploring the way, positioning pipe, embryo's splendid attire are managed, grafting is smooth between the first solid support pipe and the second solid support pipe, And the outer diameter for positioning pipe of exploring the way foreshortens to 2.0mm, so that the present invention is more matched with the genital tract of Asians, grafts are easier to pass through Cervix, and inlet pipe is also smaller to patient's bring feeling of pain.

(2) first solid support pipes and the second solid support pipe are using soft or hard two kinds of different materials and 2 kinds different Bend radian then can effectively for different Patients with Female Genital bending degree and specific degree of mobility according to by it is soft to firmly Inlet pipe sequence carries out setting pipe operation.I.e. transplanting should first Jin Shiyong explore the way positioning pipe carry out cavity positioning be intubated, when inlet pipe encounters Resistance, which can not continue to push ahead Shi Zaixiang, explores the way and is inserted into the first solid of quality softer (polypropylene for medical article plastics) in positioning pipe Second solid support pipe of support tube or quality harder (medical stainless steel), help explore the way positioning pipe across narrow cervix into Enter into uterine cavity；Catheterization procedure is farthest avoided between the physical injury of genital tract and is reduced to patient's bring art Pain also effectively prevents the shortcomings that re-replacing other band inner core conduit bring increased costs.

(3) exploring the way positioning pipe, the first solid support pipe, the second solid support pipe and embryo's splendid attire pipe independent packaging then can root Preheated different pipes are successively taken out from 37 DEG C of insulating boxs according to sequence the step of embryo transfer, to reduce pipe in room temperature Residence time in environment also guarantees as far as possible to guarantee that the outer locating environment of transplanted embryoid body is 37 DEG C as far as possible The temperature of the pipe in insertion female genital tract is close with normal body temperature every time, improves the comfortable of the entire migration process of patient Degree.

(4) setting of consistent salient point is explored the way on positioning pipe and bent towards so that when positioning pipe of exploring the way enters patient's body When, pipe bending towards in vivo can be judged by the position of the salient point of black protrusion.

(5) the first hand-held shank of positioning pipe, the third of the first solid support pipe of exploring the way hold shank and the second solid branch It is equipped with finger groove (upper limb 2, lower edge 1) on 4th hand-held shank of stay tube, then intubation is carried out with three fingering convenient for patient It is affectedly bashful.

(6) it is to contain pipe and positioning of exploring the way according to embryo that embryo, which contains and manages the cyclic annular graduation mark of upper red, green, yellow three kinds of colors, The relative length of pipe and be arranged, explore the way in positioning pipe when embryo contains pipe insertion, (first contains mark to red ring-type graduation mark Know) flushing with positioning pipe rear means to contain embryo's tubulature front end surface flushes with positioning pipe front end of exploring the way, and red is to warn color, Prompt embryo transfer doctor and when red line can not carry out embryo implantation operation in intubating length, otherwise embryo easily remains in It explores the way in positioning pipe and does not reach uterine cavity.And when the cyclic annular graduation mark of green (first contains mark) and 1 rear end of positioning pipe of exploring the way It has been more than the positioning pipe front end 1cm that explores the way that end face, which means that embryo contains pipe front end, and this distance is embryo transfer site Preferable distance, therefore mark " green ".And when there are special circumstances, such as fibroid, Asherman's syndrom, scar for uterine cavity When palace, local endometrium receptivity difference, it is necessary to avoid these positions, deeper position in uterine cavity is selected to carry out embryo Tire transplanting, i.e., (third contains mark) positions pipe end end face to reach this effect with exploring the way so that yellow ring-type graduation mark Fruit, such mark are obviously more intuitive and clear compared with black thin.

(7) it explores the way the setting of the cyclic annular graduation mark of red, green, yellow three kinds of colors on positioning pipe, and red cyclic annular graduation mark (the One explores the way mark) it is located at from being then the length according to women uterine neck at the positioning pipe front end surface 40mm that explores the way usually in 3cm-4cm Between limit.When cervical orifice spacing collar is in red cyclic annular graduation mark, can be protected substantially in conjunction with ultrasonic guidance observation Card positioning pipe front end of exploring the way is parallel or beyond entering in uterine cavity with cervix distal end, and embryo is effectively avoided not to be implanted into or uterine neck Gestation, and be according to the different situations adjustable limit circle of Patients with Female Genital between the graduation mark of three kinds of colors, so that visiting Road positioning pipe reaches ideal position.

(8) to sum up, the utility model has higher with domestic patient's compatible degree, and effectively catheterization procedure can be avoided to genital tract Physical injury and feeling of pain, and embryo's heat insulation effect is good, while scale marker is more visual and clear, has both transplantation effect Reliably, advantage comfortable, low in cost is operated.

Detailed description of the invention

Fig. 1 is structural schematic diagram of the invention in an embodiment.

Specific embodiment

It is clearly and completely described below in conjunction with technical solution of the attached drawing to the utility model patent, it is clear that retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This Outside, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply relatively heavy The property wanted.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.

Referring to Fig.1, the present embodiment provides a kind of embryo transfer devices, including positioning pipe 1 of exploring the way, embryo contain pipe 2, first Solid support pipe 3 and the second solid support pipe 4；

The positioning pipe 1 of exploring the way is hollow stereoplasm tube, and the rear and front end of the positioning pipe 1 of exploring the way penetrates through, the spy Road positioning pipe 1 includes that horizontally disposed explore the way positions tube body, and described explore the way positions the front end of tube body and be connected with and facilitate insertion into The first bending section in female genital tract, and first bending section is to curving；The rear end of 1 ontology of positioning pipe of exploring the way It is connected with the first hand-held shank 7；And first bending section, described explore the way position tube body and are connected with the hand-held shank 7, Pipe 2, the first solid support pipe 3 or the perforative channel of the second solid support pipe 4 are contained for the embryo to be formed；

The rear end of first bending section is connect with the front end for positioning tube body of exploring the way, the front end end of first bending section Head is the round and smooth head 14 made by developing material；Being arranged on the front end for position tube body of exploring the way can be in the positioning of exploring the way The cervical orifice spacing collar 13 slided on tube body；It is successively equipped at intervals with from front to back on the front end for position tube body of exploring the way First explore the way mark 12, second explore the way mark and third is explored the way mark, and the second rear and front end of mark and first of exploring the way is explored the way The explore the way spacing of mark of mark and third is the first spacing；

Specifically, the developing material can be fluorocarbon coating.

It is hollow soft pipe that the embryo, which contains pipe 2, and the embryo contains the rear and front end perforation of pipe 2, the embryo It includes that horizontally disposed embryo contains tube body that tire, which contains pipe 2, and the rear end that embryo contains tube body is connected with the second hand-held shank 10, and the embryo contains tube body and is connected with the described second hand-held shank 10, to constitute the channel passed through for embryo；

The first splendid attire mark, the second splendid attire mark 11 are equipped at intervals on the rear end of embryo's splendid attire tube body from front to back It contains and identifies with third, and the spacing that the second rear and front end for containing mark contains mark with the first splendid attire mark and third is First spacing；

Described first, which contains mark, contains the distance of tube body front end surface and the length of the positioning pipe 1 of exploring the way apart from embryo It spends equal；

Specifically, being inserted into positioning pipe 1 of exploring the way when embryo contains pipe 2, first contains mark and 1 rear end end of positioning pipe of exploring the way Face, which flushes, means that embryo contains 2 front end surface of pipe and flushes with 1 front end surface of positioning pipe of exploring the way, to prompt embryo transfer doctor Can not intubating length not and first contain mark when carry out embryo implantation operation, otherwise embryo easily remains in positioning pipe of exploring the way Uterine cavity is not reached in 1.

The first solid support pipe 3 is solid stereoplasm tube, and the first solid support pipe 3 includes horizontally disposed the The front end of one support tube body, the first support tube body connects the second bending section of oriented curving, described in insertion It explores the way in positioning pipe 1 and is adapted with the positioning pipe 1 of exploring the way, it is hand-held that the rear end of the first support tube body is connected with third Shank；

The second solid support pipe 4 is solid stereoplasm tube, and the second solid support pipe includes horizontally disposed the The front end of two support tube bodies, the second support tube body connects the third bending section of oriented curving, described in insertion It explores the way in positioning pipe 1 and is adapted with the positioning pipe 1 of exploring the way, it is hand-held that the rear end of the second support tube body is connected with the 4th Shank；

Second bending section and the third bending section have different curvature, the first support tube body and described Second support tube body has different hardness.

Specifically, the polypropylene for medical article plastic production that the first support tube body is softer using quality, the second support tube The ontology medical stainless steel production harder using quality.

The first support tube body and the second support tube body using soft or hard two kinds of different materials and 2 kinds not The purpose of same bending radian is: different patients lead to genital tract because of factors such as age, operation past medical history, individual physical differences Situation is different, and embryo transfer operation should reduce the physical injury that inlet pipe process generates genital tract as far as possible, reduces Bleeding to Embryo implantation and gestation caused by adversely affect, therefore, transplanting should be used without first inner core explore the way positioning pipe 1 into Row cavity positioning intubation, when inlet pipe meets obstructions, can not to continue to push ahead Shi Zaixiang insertion quality in positioning pipe of exploring the way softer Second solid support pipe 4 of the first solid support pipe 3 or quality harder (medical stainless steel) of (polypropylene for medical article plastics) helps Positioning pipe 1 of exploring the way passes through narrow cervix and enters in uterine cavity.On the other hand, due to individual patients differences of Physiological and embryo The drinking-water of tire transfer operation same day patient suppress urine situation it is different, cause bladder compressing genital tract make " uterine cavity-uterine neck-yin The radian that road " three is formed varies, therefore the second bending section and the third bending section of different size radian is arranged, and makes The first solid support pipe 3 and the second solid support pipe 4 can cope with different radians genital tract situation.

Further, the rear end for positioning tube body of exploring the way is equipped with the bending direction for guiding the first bending section Guide identifier.

Further, the guide identifier is the salient point 6 explored the way and positioned on tube body to be arranged in, and the salient point 6 is convex It is identical as the bending direction of first bending section to play direction.

Specifically, the salient point 6 can be set to black.Exploring the way, it is consistent to be bent towards on positioning pipe 1 with the first bending section The setting of salient point 6 is so that when positioning pipe 1 of exploring the way enters patient's body, and can be explored the way positioning by the position judgement of black salient point 6 The bending towards in vivo of pipe 1.

Further, first spacing is 1cm.

Further, first explore the way mark 12, second explore the way mark and third mark of exploring the way is along positioning pipe of exploring the way The cyclic annular graduation mark explored the way and positioned on tube body is arranged in the circumferential direction of ontology.

Specifically, first explore the way mark 12, second explore the way mark and third mark of exploring the way is red, green respectively and yellow Color.

Further, the first mark 12 of exploring the way at a distance from the front end surface of first bending section is 40cm.

Specifically, the length of women uterine neck is usually between 3cm-4cm, so the first mark 12 of exploring the way is located at distance first At the front end surface 40mm of bending section.

It, can be basic in conjunction with ultrasonic guidance observation when cervical orifice spacing collar 13, which is in red first, explores the way in mark 12 Guarantee 1 front end of positioning pipe of exploring the way is parallel or beyond entering in uterine cavity with cervix distal end, effectively avoid embryo be not implanted into or Cervical pregnancy, and be in the first of three kinds of colors according to the adjustable cervical orifice spacing collar of the different situations of Patients with Female Genital and explore the way Between mark that mark 12, second explores the way mark and third is explored the way, so that positioning pipe 1 of exploring the way reaches ideal position.

Further, it is to contain pipe along embryo that the first splendid attire mark, the second splendid attire mark 11 and third splendid attire, which identify, The cyclic annular graduation mark on embryo's splendid attire tube body is arranged in the circumferential direction of ontology.

Specifically, it is red, green and yellow respectively that the first splendid attire mark, the second splendid attire mark 11 and third splendid attire, which identify, Color, the reason is that:

The cyclic annular graduation mark that embryo contains red, green, yellow three kinds of colors on pipe 2 (is respectively the first splendid attire mark, the second Sheng Dress mark 11 and third contain mark) it is that the relative length of pipe 2 and positioning pipe 1 of exploring the way is contained according to embryo and is arranged.Work as embryo Tire contains pipe 2 and is inserted into positioning pipe 1 of exploring the way, and the first red splendid attire mark is flushed with 1 rear end face of positioning pipe of exploring the way means embryo Tire contains 2 front end of pipe and flushes with 1 front end of positioning pipe of exploring the way, and red is warning color, prompts embryo transfer doctor that can not grow in insertion Degree does not carry out embryo implantation operation and when red line, and otherwise embryo easily remains in positioning pipe of exploring the way and do not reach uterine cavity.

When the second splendid attire mark 11 of green is flushed with 1 rear end face of positioning pipe of exploring the way, before meaning that embryo contains pipe 2 End has been more than the 1 front end 1cm of positioning pipe that explores the way, and this distance is the preferable distance in embryo transfer site, therefore second is contained and is marked Know 11 and is arranged to green.

When there are special circumstances, such as fibroid, Asherman's syndrom, uterine cicatrix, local endometrium to hold for uterine cavity Property difference when, it is necessary to avoid these positions, deeper position selected in uterine cavity to carry out embryo transfer, i.e., so that yellow Third contains mark and flushes with 1 rear end face of positioning pipe of exploring the way, to reach this effect.

It is red, green and yellow respectively that first splendid attire mark, the second splendid attire mark 11 and third, which are contained and identified, such Color is arranged obviously more intuitive and clear compared with black thin.

Further, the first hand-held shank 7, third hold to be equipped on shank and the 4th hand-held shank and hold convenient for what is held Device is held, the grip device includes two held on the upside of shank and the 4th hand-held shank positioned at the first hand-held shank, third Finger groove 8 and the finger groove 8 that shank and the 4th hand holding handle subordinate side are held positioned at the first hand-held shank, third.

Specifically, upper lateral bend of second bending section to positioning pipe 1 of exploring the way.Second bending section is to a solid support pipe 3 upper lateral bend, upper lateral bend of the third bending section to the second solid support pipe 4.

Further, positioning pipe 1, embryo's splendid attire pipe 2, the first solid support pipe 3 and the second solid support pipe 4 are explored the way independently Packaging.

Specifically, positioning pipe 1 of exploring the way, embryo contain pipe 2, the first solid support pipe 3 and the independent packet of the second solid support pipe 4 Dress then can successively take out preheated different pipes according to sequence the step of embryo transfer from 37 DEG C of insulating boxs, to reduce pipe Son residence time in room temperature environment, to guarantee that the outer locating environment of transplanted embryoid body is 37 DEG C as far as possible, also to the greatest extent It can guarantee that the temperature of the pipe in insertion female genital tract every time is close with normal body temperature, improve patient and entirely transplanted The comfort level of journey.

Further, the outer diameter of the positioning pipe 1 of exploring the way is 2.0mm.

Specifically, the length for exploring the way positioning pipe 1 is 175mm, internal diameter 1.6mm.

Explore the way positioning pipe outer diameter be 2.0mm purpose be: the embryo transfer catheter being commercialized at present is mostly American-European produces Product, and had differences on physiological structure before ethnic group between east and west, in order to enable device is more matched with the genital tract of Asians, visit The outer diameter of road positioning pipe 1 foreshortens to 2.0mm, enters so that also reducing pipeline while pipeline is easier to pass through cervix in vivo to trouble Feeling of pain caused by person.

Specifically, the length of the first support tube body and the second support tube body is 175mm, outer diameter is 1.5mm.The length that embryo contains tube body is 200mm, outer diameter 1.5mm, internal diameter 0.5mm.

Specifically, red ring-type graduation mark (first contains mark) is apart from the distance that embryo contains 2 front end surface of pipe 175mm, it is 185mm that green ring-type graduation mark (second contains mark 11), which contains the distance of 2 front end surface of pipe apart from embryo, and yellow Colour circle shape graduation mark (third contains mark) is 195mm apart from the distance that embryo contains 2 front end surface of pipe.

The application method of the utility model are as follows:

1, embryo transfer operation consent half an hour, first by the positioning pipe 1 of exploring the way of independent packaging, the first solid support pipe 3, Two solid support pipes 4 and embryo contain pipe 2 and are put into the pre-heat treatment in 37 DEG C of insulating boxs.

2, it is put into after patient's colpectasia exposes os uteri externum and do necessary rinse processing with sight glass, from 37 DEG C of perseverances Sealing bags 5 are first taken out in incubator, are taken out positioning pipe 1 of exploring the way, and the Patients with Female Genital situation showed according to ultrasound is (logical Smooth and bending degree), it is inserted directly into and explores the way positioning pipe 1 or take out suitable material from insulating box (polypropylene for medical article plastics are medical Stainless steel) and curvature (small radian or big radian) the first solid support pipe 3 or the second solid support pipe 4.

The the first solid support pipe 3 chosen or the insertion of the second solid support pipe 4 are explored the way in positioning pipe 1, adjusted outside uterine neck Position of the mouth spacing collar 13 between the cyclic annular graduation mark of " red, green, yellow " three kinds of colors on positioning pipe 1 of exploring the way, then first will be contained in fact The positioning pipe 1 of exploring the way of heart support tube 3 or the second solid support pipe 4 is gently inserted into cervix, until cervical orifice spacing collar 13 The power that is hampered resists the external os of vervix, observes positioning pipe 1 of exploring the way by B ultrasound and enters uterine cavity with the round and smooth head 14 of developing material Interior suitable position, then extract the first solid support pipe 3 or the second solid support pipe 4；

3, take out embryo in 37 DEG C of insulating boxs of an embryo Shi Zaicong and contain pipe 2, and with shed the 1ml syringe of syringe needle into Row docking, and another embryo is an apprentice of in incubator to take out embryo to be transplanted and be placed under the optical microscopy with thermal station, After carrying out name and patient's identification number verification, embryo is sucked embryo under the microscope and contains pipe 2 by the embryo teacher for holding embryo's splendid attire pipe 2 In, and it is inserted into positioning pipe 1 of exploring the way.

4, it observes and embryo is selected to contain suitable cyclic annular graduation mark and positioning of exploring the way on pipe 2 in red, green, yellow three kinds of colors Hand-held 7 rear end face of the shank alignment of the first of pipe 1, i.e. the final position of completion embryo determines, then pushes syringe will forward Embryo implantation intrauterine；It keeps transplanting posture 10-15 seconds motionless, embryo is brought into embryo again and contains pipe to prevent liquid resorption It 2 or explores the way in positioning pipe 1.

5, it successively exits embryo and contains pipe 2 and positioning pipe 1 of exploring the way, confirm that embryo contains pipe 2 and visits respectively under microscope Road positioning pipe 1 is remained without embryo, that is, completes entire embryo transfer operation.

The utility model can overcome existing commercial embryo transplantation tube size design not good enough well, exist in migration process Repeated intubation failure leads to bleeding and damage genital tract because inner core material is really up to the mark, and replacement grafts cause unnecessary cost Waste cannot flexibly cope with different curvature genital tracts and scale marker is easily obscured etc. disadvantage and deficiency, provide a kind of high Embryo transfer device is imitated, it can preferably agree with the physiological make-up of Asians, effectively avoid catheterization procedure to the physics of genital tract Injury and feeling of pain, and have good embryo's heat insulation effect, while scale marker is more visual and clear, have transplantation effect can It leans on, operate feature comfortable, low in cost.

Content described in this specification embodiment is only an enumeration of the implementation forms of the utility model concept, this is practical new The protection scope of type should not be construed as being limited to the specific forms stated in the embodiments, and the protection scope of the utility model is also wrapped Include those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.

Claims (10)

1. a kind of embryo transfer device, it is characterised in that: including positioning pipe of exploring the way, embryo contain pipe, the first solid support pipe and Second solid support pipe；

The positioning pipe of exploring the way is hollow stereoplasm tube, and the rear and front end of the positioning pipe of exploring the way penetrates through, the positioning of exploring the way Pipe includes that horizontally disposed explore the way positions tube body, and described explore the way positions the front end of tube body and be connected with and facilitate insertion into female reproduction The first bending section in road, and first bending section is to curving；Described explore the way positions the rear end of tube body and is connected with One hand-held shank；And first bending section, described explore the way position tube body and are connected with the hand-held shank, to be formed for institute It states embryo and contains pipe, the first solid support pipe or the second perforative channel of solid support pipe；

The rear end of first bending section is connect with the front end for positioning tube body of exploring the way, and the front end end of first bending section is The round and smooth head made by developing material；Tube body can be positioned in described explore the way by being arranged on the front end for position tube body of exploring the way The cervical orifice spacing collar of upper sliding；First is successively equipped at intervals on the front end for position tube body of exploring the way from front to back to explore the way Mark, second explore the way mark and third is explored the way mark, and the second rear and front end of mark and first of exploring the way is explored the way mark and third The spacing for mark of exploring the way is the first spacing；

It is hollow soft pipe that the embryo, which contains pipe, and the embryo contains the rear and front end perforation of pipe, and the embryo contains Pipe includes that horizontally disposed embryo contains tube body, and the rear end that embryo contains tube body is connected with the second hand-held shank, and described Embryo contains tube body and is connected with the described second hand-held shank, to constitute the channel passed through for embryo；

The first splendid attire mark, the second splendid attire mark and third are equipped at intervals on the rear end of embryo's splendid attire tube body from front to back Contain mark, and second contain the rear and front end of mark and first contain mark and third to contain the spacing of mark be between first Away from；

Described first contains the distance and the length phase of the positioning pipe of exploring the way that mark contains tube body front end surface apart from embryo Deng；

The first solid support pipe is solid stereoplasm tube, and the first solid support pipe includes horizontally disposed first support The front end of tube body, the first support tube body connects the second bending section of oriented curving, fixed to explore the way described in insertion It is adapted in the pipe of position and with the positioning pipe of exploring the way, the rear end of the first support tube body is connected with third and holds shank；

The second solid support pipe is solid stereoplasm tube, and the second solid support pipe includes horizontally disposed second support The front end of tube body, the second support tube body connects the third bending section of oriented curving, fixed to explore the way described in insertion It is adapted in the pipe of position and with the positioning pipe of exploring the way, the rear end of the second support tube body is connected with the 4th hand-held shank；

Second bending section and the third bending section have different curvature, the first support tube body and described second Support tube body that there is different hardness.

2. a kind of embryo transfer device as described in claim 1, it is characterised in that: on the rear end for positioning tube body of exploring the way Equipped with the guide identifier for guiding the bending direction of the first bending section.

3. a kind of embryo transfer device as claimed in claim 2, it is characterised in that: the guide identifier is that setting is being explored the way calmly Salient point on the tube body of position, and the protrusion direction of the salient point is identical as the bending direction of first bending section.

4. a kind of embryo transfer device as described in claim 1, it is characterised in that: first spacing is 1cm.

5. a kind of embryo transfer device as described in claim 1, it is characterised in that: first explore the way mark, second explore the way mark With third explore the way mark be that the cyclic annular graduation mark explored the way and positioned on tube body is set along the circumferential direction for positioning tube body of exploring the way.

6. a kind of embryo transfer device as described in claim 1, it is characterised in that: first, which explores the way, identifies and first bending The distance of the front end surface in portion is 40mm.

7. a kind of embryo transfer device as described in claim 1, it is characterised in that: first contains mark, the second splendid attire mark Containing mark with third is the cyclic annular graduation mark being arranged on embryo's splendid attire tube body along the circumferential direction that embryo contains tube body.

8. a kind of embryo transfer device as described in claim 1, it is characterised in that: the first hand-held shank, third hold shank With the grip device convenient for holding is equipped on the 4th hand-held shank, the grip device includes positioned at the first hand-held shank, the Two finger grooves on the upside of three hand-held shanks and the 4th hand-held shank and be located at the first hand-held shank, third holds shank and the 4th One finger groove of hand holding handle subordinate side.

9. a kind of embryo transfer device as described in claim 1, it is characterised in that: positioning pipe of exploring the way, embryo contain pipe, first Solid support pipe and the second solid support pipe independent packaging.

10. a kind of embryo transfer device as described in claim 1, it is characterised in that: the outer diameter of the positioning pipe of exploring the way is 2.0mm。