CN101692982B - Novel asepsis single cavity ovum-picking needle device - Google Patents
Novel asepsis single cavity ovum-picking needle device Download PDFInfo
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- CN101692982B CN101692982B CN2009100562154A CN200910056215A CN101692982B CN 101692982 B CN101692982 B CN 101692982B CN 2009100562154 A CN2009100562154 A CN 2009100562154A CN 200910056215 A CN200910056215 A CN 200910056215A CN 101692982 B CN101692982 B CN 101692982B
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Abstract
The invention provides a novel asepsis single cavity ovum-picking needle device capable of being operated intermittently to wash an ovary and draw an ovum. The asepsis single cavity ovum-picking needle device comprises a puncture needle (1), a handle (2), a collecting tube (3), an electromagnetic ending switch (4), a vacuum absorption device (5), an electromechanical interlocks (6), a manifold tee joint (7), a collecting bottle, a transfusion device (8), a solution storage pipe (13) and a solution storage bottle (9); wherein the puncture needle (1) is provided with an ultrasonic echo area, the electromagnet ending switch (4) is arranged on the collecting tube (3) and the manifold tee joint (7) is arranged in the connecting part of the puncture needle (1) and the handle (2); one end of the puncture needle (1) is communicated with the collecting bottle after being connected with the manifold tee joint (7), the collecting bottle is communicated with the vacuum absorption device (5); one end of the puncture needle (1) is communicated with the transfusion device (8) through a crotch end of the handle (2) after being connected with the manifold tee joint (7) and the transfusion device (8) is communicating with the solution storage pipe (13) and the solution storage bottle (9) at the same time; the electromechanical interlocks (6) is connected with the vacuum absorption device (5) and the low-pressure transfusion device and carries out a difference operational control on the two devices.
Description
Technical field
The present invention relates to the medical apparatus and instruments in a kind of supplementary reproduction medical procedure, particularly, the present invention relates to a kind of novel asepsis single cavity ovum-picking needle device.Said asepsis single cavity ovum-picking needle device needle tubing diameter is thinner, and is littler to the ovary wound, adopts electromechanical interlocks, can keep dashing, inhaling simple to operate, reliable, the seriality of ovum process, possesses the function of single cavity ovum-picking needle device and double-cavity ovum taking needle simultaneously.
Background technology
Current society, because the continuous enhancing of the quickening of work rhythm and work competitive pressure, and under the combined influence of other various factorss, the number of infertile patient increases day by day.Implement to become pregnant with artificial supplementary mode clinically, become effective medical procedure.
The first routine test-tube baby---since Louis's cloth youth was born, huge variation took place in auxiliary procreation technology and application thereof in the world since 1978.The successful test-tube baby of first example is in free period, to get ovum with peritoneoscope.Still have a minority to advocate in IvF, to use free period now, but almost generally adopt transvaginal to get ovum.Even laparoscopic use in gamete intra-Fallopian transfer (GIFT), is got ovum with peritoneoscope and abandoned mostly, it is first-selected method that transvaginal is got ovum.The aseptic invention of getting the ovum pin of disposable use, as a kind of important medical apparatus and instruments in the supplementary reproduction medical procedure, the hope that makes infertile patient accomplish fertility becomes possibility.
Transvaginal was got ovum since 1978 under the ultrasonic guidance; Since getting ovum through peritoneoscope, got the ovum technology and had very much progress, from the abdominal ultrasonic guiding down through skin bladder and per urethra bladder; Get ovum to modern Transvaginal Ultrasound; This easy and safe relatively method has improved the efficient of getting ovum, can under local anaesthesia, carry out, and can combine with various auxiliary procreation technology (ART).
Updating of ultrasonic technique makes these progressive possibilities that becomes.Having had small-sized transvaginal sonography probe now, is 5MHz or 7.5MHz transvaginal probe such as frequency, and its resolution is high, uses patient's relative comfort.Resolution is high, helps accurately to distinguish and locate follicle, through rotating detector simply; In two dimensional image, confirm the shape of follicle; Low echo follicle is distinguished from same hypoechoic pelvic blood vessels, and each follicle can be sucked exactly like this, has improved the ovum rate of getting greatly.
Transvaginal probe also can provide a kind of device of fixedly ovary, by means of the support force from the pelvis wall, makes puncture needle lightly arrive ovary fast at the back along the uterus.Ovary further fixing want armrest art assistant with hands from pubis or the abdominal part completion.There are several kinds of needle guides can supply to choose, should select according to different ultrasonic probes.
Getting ovum and the most often select 16G or 17G pin for use, can be single chamber pin or bilumen needle.Estimate to use double channel catheter when follicle need wash, such as external fertilization IvF in free period.Double channel catheter can be with sucking-off liquid and flushing liquor shunting, and making liquid is one-way flow at intracavity all the time, helps getting ovum.Puncture needle has a hyperechoic needle point, helps location, puncture and the sucking-off follicle of pin.Select sharp keen puncture needle to thrust follicle rapidly, alleviate patient's sense of discomfort, reduce moving of ovary.Therefore the first-selected disposable aspiration needle that uses.Through repeatedly getting ovum, repeat vaginal wall and get into, local organization meeting hypertonicity, contact tub wall or fallopian tube, syringe needle can rust or bending.Therefore, possibly in operation, change pin, especially when the follicle suction encounters difficulties.After getting into the preceding and rapid taking-up of vagina each time, all to wash with treatment fluid.
The patent No. discloses a kind of single-lumen ovum pickup device for the utility model patent of " 200420097990.7 "; Its structure comprises that the end is provided with the puncture needle in ultrasonic echo district, handle, collecting pipe, sealing-plug, negative pressure Connection Block and negative pressure connection tube; Collecting pipe one end joins through handle and puncture needle, and the other end passes sealing-plug, and a through hole is set on sealing-plug; One end of negative pressure connection tube and the through hole on the sealing-plug join, and the other end and negative pressure Connection Block join.
The patent No. discloses a kind of ovum device of getting for the utility model of " 200820026603.9 "; Belong to medical apparatus and instruments, its structure comprises that the end is provided with the puncture needle in ultrasonic echo district, handle, collecting pipe, test tube plug, vacuum extractor and negative pressure connection tube, and collecting pipe one end joins through handle and puncture needle; The other end passes the test tube plug; At test tube one through hole is set beyond the Great Wall, an end of negative pressure connection tube and test tube through hole beyond the Great Wall join, and the other end and vacuum extractor join.
The shortcoming of above-mentioned patented technology is: its needle tubing diameter is done slightlyer, and is big to the ovary wound, thereby increased patient's misery.Make that patient's recovery period is long.Easy in the integrated operation, medical procedure is controlled
In addition, above-mentioned collecting pipe one end joins through handle and puncture needle, and the other end passes sealing-plug, and a through hole is set on sealing-plug, and an end of negative pressure connection tube and the through hole on the sealing-plug join, and the other end and negative pressure Connection Block join.Handling characteristics, be that transvaginal punctures to ovary under peritoneoscope or ultrasonography monitoring means, collect a plurality of ovums rapidly., but generally follicle often is trapped in and sticks on the ovarian wall, and the success rate that makes manual work get ovum reduces.
For avoiding the deficiency of above-mentioned single-lumen ovum pickup chamber pin, also the someone has designed double-cavity ovum taking needle, promptly on operating grip, is with a divided manifold tee joint; After puncture, ovary is washed, make ovum avoid on ovarian wall, being detained and adhering to, to improve the success rate that ovum is got in manual work with low-pressure washing liquid; Common double-cavity ovum taking needle adopts the method for the little pin of big needle guard to realize the purpose to ovum flushing in the ovary; Make the ovum that is attached on the ovarian wall be in floating state, thereby make the artificial ovum of drawing become possibility, but because adopt the method for the little pin of big needle guard; It is little to make the diameter of large needle to do, and this just makes that the wound face of patient when carrying out medical rescue is relatively large.In addition, the overall diameter of existing bilumen needle can only accomplish that (1.6 ~ 1.69mm), in medical procedure, the doctor can't further select to use 16G according to patient's situation.
The present invention is directed to the deficiency of double-cavity ovum taking needle,, replace existing double-cavity ovum taking needle with single cavity ovum-picking needle device, and on function, reach the said function of bilumen needle, reduce patient's medical wound face simultaneously, make the faster rehabilitation of patient through improving.
Summary of the invention
In order to reach this purpose, the object of the present invention is to provide a kind of single cavity ovum-picking needle device device that ovum is got in manual work that is used for, technical scheme of the present invention is following:
A kind of novel asepsis single cavity ovum-picking needle device; Said asepsis single cavity ovum-picking needle device comprises that the end is provided with the puncture needle in ultrasonic echo district (B ultrasonic respond head), handle, collecting pipe, is arranged on electromagnetism cutoff switch, the vacuum suction device at collecting pipe place; Sealing-plug, receiving flask, infusion set, tube for transfusion, liquid containing bottle, electromechanical interlocks; It is characterized in that, be provided with divided manifold tee joint at said puncture needle and handle junction; Said puncture needle one end is communicated with the collection pipe after connecting divided manifold tee joint, collects pipe and is communicated with vacuum suction device again; End was communicated with tube for transfusion through the handle fork after said puncture needle one end connected divided manifold tee joint, and tube for transfusion directly connects the liquid containing bottle end through infusion set and is communicated with infusion set; Said electromechanical interlocks connects vacuum suction device and infusion set, and vacuum suction device and infusion set are carried out difference (intermittently) operation control.
According to novel asepsis single cavity ovum-picking needle device of the present invention, through the intermittent duty of said device, completion is dashed, is inhaled ovum in the fallopian tube, to obtain ovum easily.
According to novel asepsis single cavity ovum-picking needle device of the present invention, it is characterized in that electromagnetic switch is contained in the collecting pipe place, it opens or closes through coordinated control system control, reaches the resistance of pipeline or logical.
According to a kind of novel asepsis single cavity ovum-picking needle device of the present invention, it is characterized in that, pressing mold of said handle and divided manifold tee joint, one-body molded.
According to a kind of novel asepsis single cavity ovum-picking needle device of the present invention, it is characterized in that said electromechanical interlocks is controlled by a foot switch.
According to a kind of novel asepsis single cavity ovum-picking needle device of the present invention, it is characterized in that the external diameter of said asepsis single cavity ovum-picking needle device (puncture needle part) can be accomplished 21G ~ 17G (0.8 ~ 1.4mm).
According to a kind of novel asepsis single cavity ovum-picking needle device of the present invention, it is characterized in that said puncture needle internal diameter is at 0.490 ~ 0.95mm, said connecting pipe internal diameter is at 0.8 ~ 1.1mm.
According to a kind of novel asepsis single cavity ovum-picking needle device of the present invention, it is characterized in that the puncture needle internal diameter that is communicated with said divided manifold tee joint for germfree ovum aspiration needle is communicated with internal diameter of the pipeline at 1.6 ~ 1.8mm at 0.490 ~ 0.950mm.
According to a kind of novel asepsis single cavity ovum-picking needle device of the present invention, it is characterized in that oval chamber long axis of body diameter is at 3.5 ~ 4.5mm partially in said divided manifold tee joint intracavity footpath, the minor axis diameter is at 1.5 ~ 2.5mm.
According to a kind of novel asepsis single cavity ovum-picking needle device of the present invention; It is characterized in that; It is characterized in that the puncture needle end junction diameter of said divided manifold tee joint inner chamber is at 0.9 ~ 1.7mm, the junction diameter of divided manifold tee joint inner chamber that is communicated with said collection pipe and infusion set end is at 0.8 ~ 1.0mm.
According to a kind of novel asepsis single cavity ovum-picking needle device of the present invention; It is characterized in that; The puncture needle end junction diameter of said divided manifold tee joint inner chamber is at 0.8-1.1mm, and the junction diameter of divided manifold tee joint inner chamber that is communicated with said collection pipe and infusion set end is at 0.8 ~ 1.0mm.
According to a kind of novel asepsis single cavity ovum-picking needle device of the present invention; It is characterized in that; The puncture needle end junction of said divided manifold tee joint inner chamber forms the little notch cuttype passage of outer imperial palace, and its puncture needle end pipeline major diameter is at 0.9 ~ 1.7mm, and its inner chamber end pipeline minor diameter is at 0.8 ~ 1.0mm.
According to a kind of novel asepsis single cavity ovum-picking needle device of the present invention, it is characterized in that said connection is selected from a kind of of PVC material, silica gel material or polytetrafluoroethylmaterial material with pipeline.
According to a kind of novel asepsis single cavity ovum-picking needle device of the present invention; It is characterized in that; The puncture needle end junction of said divided manifold tee joint inner chamber forms the little notch cuttype passage of outer imperial palace, and its puncture needle end pipeline major diameter is at 1.4 ~ 1.8mm, and its inner chamber end pipeline minor diameter is at 0.8 ~ 1.0mm.
Because the puncture needle internal diameter 0.490 ~ 0.950mm of a kind of novel asepsis single cavity ovum-picking needle device of the present invention; The internal diameter of pipeline etc. is at 1.6 ~ 1.8mm; Can be through the intermittent duty of device in the said system, completion is dashed, is inhaled ovum in the fallopian tube, to obtain ovum easily.
Because the puncture needle end junction diameter of said divided manifold tee joint inner chamber, is communicated with the junction diameter of divided manifold tee joint inner chamber of said collecting pipe and infusion set end at 1.4-1.55mm at 0.8 ~ 1.0mm.Can be through the intermittent duty of said device, completion is dashed, is inhaled ovum in the fallopian tube, to obtain ovum easily.
A kind of novel asepsis single cavity ovum-picking needle device of the present invention is operated as follows:
Control by electromechanical interlocks makes the infusion set power supply often open (can close the self-powered switch of infusion set when not working), and the vacuum suction device power supply often cuts off, and electromagnetic switch is in occluding catheter 1 state.
At first, open the self-powered switch of infusion set, infusion set work through tube for transfusion, get the ovum pin and infuse to ovary, makes ovum be in suspended state.
Taking seriously, suction leading-in device power connection is worked, electromagnetic switch is opened, and stops infusion set work simultaneously, makes conduit 1 be in non-closure state; Vacuum suction device can suck liquid in the ovary and ovum in the receiving flask through conduit 1.
The present invention compares with like product, and it has advantage:
1. compare its needle tubing diameter of existing bilumen needle and can do carefullyyer, littler to the ovary wound, thus reduced patient's misery.Make that patient's recovery period is shorter.
2. at present the overall diameter of bilumen needle can only be accomplished 16G (1.6 ~ 1.69mm), and the external diameter of pin of the present invention can be accomplished 21gG (0.8 ~ 0.83mm).Be convenient to like this in the medical procedure, the doctor can (select for use suitable pin to implement treatment arbitrarily at 21G ~ 17G according to patient's situation in 0.8 ~ 1.51mm) scope.
3. a moulded section of handle and divided manifold tee joint.Cavity does not have burr and dead angle, has guaranteed that ovum is through the cavity not damaged.
4. the outer Warning Mark of handle, the needle point direction of ovum pin is got in clear indication.
5. employing electromechanical interlocks makes the dashing, suck in the real-time monitoring that is in the doctor entirely of ovum, and whole to dash, inhale the ovum process operation simple, reliable, arbitrarily presets the amount of flushing liquor, can keep dashing, inhaling the seriality of ovum process.
6. the present invention possesses the function of single chamber pin and bilumen needle simultaneously.As long as the prong to threeway seals, promptly become common single intonation and get the ovum pin, the management control that this has just simplified production process greatly reduces product cost significantly, thereby further reduces patient medical expense expenditure.
Description of drawings
Fig. 1 is the use sketch map of asepsis single cavity ovum-picking needle device of the present invention.
Fig. 2 is the axonometric chart of asepsis single cavity ovum-picking needle device of the present invention.
Fig. 3 is the section of structure of asepsis single cavity ovum-picking needle device of the present invention.
Fig. 4 is a kind of ovum pin sketch map of getting in the past.
Fig. 5 gets ovum pin sketch map in the past another.
Among the figure, 1 for being provided with the puncture needle in ultrasonic echo district, and 2 is handle, and 3 is that collecting pipe, 4 is for being arranged on the electromagnetism cutoff switch at collecting pipe place; 5 is receiving flask, 6 vacuum suction devices, and 7 is electromechanical interlocks; 8 is infusion set, and 9 is liquid containing bottle, and 10 is foot switch; 11 is suction tube, and 12 is tube for transfusion, and 13 is liquid storage pipe.
The specific embodiment
Below, with reference to accompanying drawing, specify novel asepsis single cavity ovum-picking needle device of the present invention.
A kind of novel asepsis single cavity ovum-picking needle device, said asepsis single cavity ovum-picking needle device comprise that the end is provided with the puncture needle in ultrasonic echo district, handle, collecting pipe, vacuum suction device, electromechanical interlocks.
Be provided with divided manifold tee joint at said puncture needle and handle junction; The main mouthful of end that said puncture needle one end connects after the divided manifold tee joint is communicated with collecting pipe, collecting pipe, and receiving flask is communicated with vacuum suction device again; The fork end that said puncture needle one end connects after the divided manifold tee joint is communicated with tube for transfusion; Tube for transfusion directly connects liquid containing bottle through infusion set; Said electromechanical interlocks connects vacuum suction device and infusion set, and this vacuum suction device and infusion set are controlled.
Said divided manifold tee joint inner chamber is oval partially cavity, and the puncture needle end junction diameter of said divided manifold tee joint inner chamber is at 1.4-1.55mm, and the junction diameter of divided manifold tee joint inner chamber that is communicated with said collecting pipe and infusion set end is at 0.8 ~ 1.0mm.Pressing mold of said handle and divided manifold tee joint, one-body molded.
Said electromechanical interlocks is controlled by a foot switch.
In the present embodiment, said divided manifold tee joint chamber is oval partially cavity, and its major diameter is at 3.5 ~ 4.5mm, and the minor axis diameter is at 1.5 ~ 2.5mm.
The external diameter of said asepsis single cavity ovum-picking needle device (puncture needle part) can be accomplished 21G ~ 17G (0.8 ~ 1.51mm).Said puncture needle internal diameter is at 0.490 ~ 0.950mm, and the connecting pipe internal diameter is at 1.6 ~ 1.8mm.
In the present embodiment, said divided manifold tee joint intracavity footpath trapezoidal transition is pre-large post-small, that is, nearly puncture needle end is big, and nearly vacuum suction device end is little.For example, the puncture needle end junction diameter of said divided manifold tee joint inner chamber is at 1.4-1.55mm, and the junction diameter of divided manifold tee joint inner chamber that is communicated with said collecting pipe and infusion set end is at 0.8 ~ 1.0mm.
Except following difference, other make novel asepsis single cavity ovum-picking needle device as embodiment 1.
End was communicated with infusion set through the fork of handle after said puncture needle one end connected divided manifold tee joint; The puncture needle end junction diameter of said divided manifold tee joint inner chamber is at 1.6mm, and the junction diameter of divided manifold tee joint inner chamber that is communicated with said collection pipe and infusion set end is at 0.8 ~ 1.0mm.At 1.7mm, material is medical macromolecular materials with internal diameter of the pipeline in connection.
In the present embodiment, said divided manifold tee joint chamber is oval partially cavity, and its major diameter is at 3.5 ~ 4.5mm, and the minor axis diameter is at 1.5 ~ 2.5mm.
Except following difference, other make novel asepsis single cavity ovum-picking needle device as embodiment 2.
The puncture needle end junction of said divided manifold tee joint inner chamber forms the little notch cuttype passage of outer imperial palace, and its puncture needle end pipeline major diameter is at 1.4 ~ 1.8mm, and its inner chamber end pipeline minor diameter is at 0.8 ~ 1.0mm.
According to novel asepsis single cavity ovum-picking needle device of the present invention, compare its needle tubing diameter of existing bilumen needle and can do carefullyyer, littler to the ovary wound, thus reduced patient's misery.Make that patient's recovery period is shorter.The external diameter of pin can be accomplished 21gG, i.e. 0.8mm.Be convenient to like this in the medical procedure, the doctor can (select for use suitable pin to implement treatment arbitrarily at 21G～17G according to patient's situation in 0.8～1.51mm) scope.A moulded section of handle and divided manifold tee joint.Cavity does not have burr and dead angle, has guaranteed that ovum is through the cavity not damaged.Adopt electromechanical interlocks, make the dashing, suck in the real-time monitoring that is in the doctor entirely of ovum, whole to dash, inhale the ovum process operation simple, reliable, arbitrarily presets the flushing liquid measure, can keep dashing, inhaling the seriality of ovum process.The present invention possesses the function of single chamber pin and bilumen needle simultaneously.As long as the prong to threeway seals, promptly become common single intonation and get the ovum pin, the management control that this has just simplified production process greatly reduces product cost significantly, thereby further reduces patient medical expense expenditure.
Claims (10)
1. novel asepsis single cavity ovum-picking needle device; Said asepsis single cavity ovum-picking needle device comprises that the end is provided with the puncture needle in ultrasonic echo district (1), handle (2), collecting pipe (3), is arranged on electromagnetism cutoff switch (4), vacuum suction device (5), sealing-plug (14), receiving flask (15), infusion set (8), tube for transfusion (12), infusion bottle (9), electromechanical interlocks (6) that suction tube (11) is located; It is characterized in that, be provided with divided manifold tee joint at said puncture needle and handle junction; Said puncture needle one end is communicated with collecting pipe after connecting divided manifold tee joint, and collecting pipe is communicated with vacuum suction device again; End was communicated with tube for transfusion through the fork of handle after said puncture needle one end connected divided manifold tee joint, and tube for transfusion directly connects liquid containing bottle through infusion set; Said electromechanical interlocks connects vacuum suction device and low pressure infusion set, and this vacuum suction device and low pressure infusion set are carried out difference operation control, and said divided manifold tee joint is oval partially cavity.
2. novel asepsis single cavity ovum-picking needle device according to claim 1 is characterized in that, it opens or closes said electromagnetic switch through coordinated control system control, and said electromechanical interlocks is controlled by a foot switch.
3. novel asepsis single cavity ovum-picking needle device according to claim 1 is characterized in that, pressing mold of said handle and divided manifold tee joint, and one-body molded, material is medical macromolecular materials.
4. novel asepsis single cavity ovum-picking needle device according to claim 1 is characterized in that, the external diameter of said asepsis single cavity ovum-picking needle device puncture needle part is 21G～17G, i.e. 0.8～1.51mm.
5. novel asepsis single cavity ovum-picking needle device according to claim 1 is characterized in that, said puncture needle internal diameter is at 0.490～0.95mm.
6. novel asepsis single cavity ovum-picking needle device according to claim 1 is characterized in that, the said internal diameter of the pipeline that is communicated with puncture needle is at 1.6～1.8mm.
7. divided manifold tee joint for germfree ovum aspiration needle according to claim 1 is characterized in that, the inclined to one side oval chamber long axis of body diameter of said divided manifold tee joint is at 3.5～4.5mm, and the minor axis diameter is at 1.5～2.5mm.
8. novel asepsis single cavity ovum-picking needle device according to claim 1; It is characterized in that; The puncture needle end junction diameter of said divided manifold tee joint is at 0.9～1.7mm, and the junction diameter of divided manifold tee joint inner chamber that is communicated with said collection pipe and low pressure infusion set end is at 0.8～1.0mm.
9. novel asepsis single cavity ovum-picking needle device according to claim 1 is characterized in that said connection is selected from a kind of of PVC material, silica gel material or polytetrafluoroethylmaterial material with pipeline material.
10. novel asepsis single cavity ovum-picking needle device according to claim 8; It is characterized in that; The puncture needle end junction of said divided manifold tee joint forms the little notch cuttype passage of outer imperial palace, and its puncture needle end pipeline major diameter is at 0.9～1.7mm, and its inner chamber end pipeline minor diameter is at 0.8～1.0mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100562154A CN101692982B (en) | 2009-08-11 | 2009-08-11 | Novel asepsis single cavity ovum-picking needle device |
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| CN2009100562154A CN101692982B (en) | 2009-08-11 | 2009-08-11 | Novel asepsis single cavity ovum-picking needle device |
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Families Citing this family (3)
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| CN101984923B (en) * | 2010-10-21 | 2014-02-12 | 上海安久生物科技有限公司 | Puncture needle special for aseptic ovum retrieval and aseptic ovum retrieval needle device thereof |
| US9364285B2 (en) * | 2014-04-01 | 2016-06-14 | Biosense Webster (Israel) Ltd. | Sealed two-way magnetic manifold |
| CN106691624B (en) * | 2017-01-20 | 2018-03-13 | 河南省农业科学院畜牧兽医研究所 | Hand electric adopts ovum device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5843023A (en) * | 1995-10-04 | 1998-12-01 | Cecchi; Michael | Aspiration needle with side port |
| CN1846640A (en) * | 2006-05-11 | 2006-10-18 | 张星星 | Ultrasonic intrauterine tissue emulsifying and sucking apparatus |
| CN201046152Y (en) * | 2006-09-28 | 2008-04-16 | 尼普洛株式会社 | Device for picking oosphere |
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2009
- 2009-08-11 CN CN2009100562154A patent/CN101692982B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5843023A (en) * | 1995-10-04 | 1998-12-01 | Cecchi; Michael | Aspiration needle with side port |
| CN1846640A (en) * | 2006-05-11 | 2006-10-18 | 张星星 | Ultrasonic intrauterine tissue emulsifying and sucking apparatus |
| CN201046152Y (en) * | 2006-09-28 | 2008-04-16 | 尼普洛株式会社 | Device for picking oosphere |
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