CN101628146B - Divided manifold tee joint for germfree ovum aspiration needle - Google Patents
Divided manifold tee joint for germfree ovum aspiration needle Download PDFInfo
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- CN101628146B CN101628146B CN2009100562169A CN200910056216A CN101628146B CN 101628146 B CN101628146 B CN 101628146B CN 2009100562169 A CN2009100562169 A CN 2009100562169A CN 200910056216 A CN200910056216 A CN 200910056216A CN 101628146 B CN101628146 B CN 101628146B
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Abstract
The invention relates to a divided manifold tee joint for a germfree ovum aspiration needle. Three ports of the divided manifold tee joint for the germfree ovum aspiration needle are respectively communicated with the connection end (1) of a puncture needle of which the end is provided with an ultrasound echo area, a collection end (2) communicated with a vacuum suction device, and an infusion end (3) communicated with a low-pressure infusion device. The invention is characterized in that one end of the puncture needle is connected with the divided manifold tee joint and is communicated with the low-pressure infusion device by the bifurcation end of a handle, the inner chamber (4) of the divided manifold tee joint is provided with a chamber body which is partial to an ellipse, the diameter of the joint of the puncture needle end thereof ranges from 0.9 to 1.7mm, and the diameter of the joint of the inner chamber of the divided manifold tee joint on the collection end and the infusion device end thereof ranges from 0.8 to 1.0mm. The divided manifold tee joint for the germfree ovum aspiration needle can enable the diameter of the needle tube to be smaller and causes less wound to the ovary, and by adopting an electromechanical interlocks, simple, reliable and continuous operation on processes of ovum flushing and suction can be maintained; and the divided manifold tee joint endues the germfree ovum aspiration needle with the functions of a single-lumen needle and a double-lumen needle.
Description
Technical field
The present invention relates to the medical assistance apparatus in a kind of reproduction medical procedure, particularly, the present invention relates to a kind of novel asepsis single cavity ovum-picking needle and use divided manifold tee joint.Said divided manifold tee joint for germfree ovum aspiration needle can adopt the needle tubing diameter thinner; Littler to the ovary wound, adopt electromechanical interlocks, can keep dashing, inhaling the simple to operate, reliable of ovum process; Seriality makes the said aseptic function that the ovum needle set is equipped with single chamber pin and bilumen needle of getting 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, get ovum through peritoneoscope since, get the ovum technology and had very much progress, down through skin bladder and per urethra bladder, get ovum from the abdominal ultrasonic guiding 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 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, each follicle can be sucked exactly like this, improve 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 or two-chamber.Estimate to use double channel catheter when follicle need wash, such as external fertilization IvF in free period.Double channel catheter separates sucking-off liquid and flushing liquor, 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, excessive tissue is nervous, 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 patent of invention 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. for the disclosure of the Invention of " 200820026603.9 " a kind of ovum device of getting; 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; Through to aseptic improvement of getting the ovum pin; Adopt specific divided manifold tee joint for germfree ovum aspiration needle, replace existing double-cavity ovum taking needle, and on function, reach the said function of bilumen needle with single-lumen ovum pickup needle; Reduce patient's medical wound face simultaneously, make the faster rehabilitation of patient.
Summary of the invention
In order to reach this purpose, the object of the present invention is to provide a kind of divided manifold tee joint for germfree ovum aspiration needle that ovum is got in manual work that is used for, technical scheme of the present invention is following:
A kind of divided manifold tee joint for germfree ovum aspiration needle; Said divided manifold tee joint for germfree ovum aspiration needle is used for being communicated with respectively puncture needle, collecting pipe that is communicated with vacuum suction device that the end is provided with the ultrasonic echo district and the low pressure infusion set that is communicated with a liquid storage pipe and liquid containing bottle simultaneously; It is characterized in that; End was communicated with the low pressure 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 0.9 ~ 1.7mm, and the junction diameter of divided manifold tee joint inner chamber that is communicated with said collecting pipe and low pressure infusion set end is at 0.8 ~ 1.0mm.
According to divided manifold tee joint for germfree ovum aspiration needle of the present invention, it is characterized in that said divided manifold tee joint is arranged in the said handle, said handle and divided manifold tee joint are a moulded section.
According to divided manifold tee joint for germfree ovum aspiration needle of the present invention, it is characterized in that said divided manifold tee joint inner chamber is oval partially cavity.
According to divided manifold tee joint for germfree ovum aspiration needle of the present invention, it is characterized in that the puncture needle external diameter that is communicated with said divided manifold tee joint for germfree ovum aspiration needle is 21G ~ 17G, i.e. 0.8 ~ 1.51mm.
According to divided manifold tee joint for germfree ovum aspiration needle 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 divided manifold tee joint for germfree ovum aspiration needle 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 divided manifold tee joint for germfree ovum aspiration needle 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 0.9 ~ 1.7mm.
According to divided manifold tee joint for germfree ovum aspiration needle 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 1.55 ~ 1.7mm, and its inner chamber end pipeline minor diameter is at 0.8 ~ 1.0mm.
Adopt the novel asepsis single cavity ovum-picking needle of divided manifold tee joint for germfree ovum aspiration needle of the present invention, through the intermittent duty of installing in the said system, completion is dashed, is inhaled ovum in the fallopian tube, to obtain ovum easily.
Adopt the novel asepsis single cavity ovum-picking needle of divided manifold tee joint for germfree ovum aspiration needle of the present invention; Its puncture needle internal diameter is at 0.490 ~ 0.950mm, and the internal diameter of pipeline etc. can be through the intermittent duty of device in the said system at 0.8 ~ 1.8mm; Completion is dashed, is inhaled ovum in the fallopian tube, to obtain ovum easily.
Adopt the novel asepsis single cavity ovum-picking needle of divided manifold tee joint for germfree ovum aspiration needle of the present invention, it is operated as follows:
Control by electromechanical interlocks makes low pressure infusion set power supply often open (can close the self-powered switch of low pressure 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 low pressure infusion set, the work of low pressure infusion set 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 the work of low pressure infusion set 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.
Adopt the novel asepsis single cavity ovum-picking needle of divided manifold tee joint for germfree ovum aspiration needle of the present invention, with comparing of like product, 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 21gG0.8mm.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.
3. a moulded section of handle and divided manifold tee joint.Cavity does not have burr and dead angle, has guaranteed ovum through the cavity not damaged, and material is medical macromolecular materials.。
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 flushing liquid measure, 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
Figure
is the axonometric chart of the asepsis single cavity ovum-picking needle of employing divided manifold tee joint of the present invention.
Figure
is the section of structure of the asepsis single cavity ovum-picking needle of employing divided manifold tee joint of the present invention.
Figure
is the use sketch map of the asepsis single cavity ovum-picking needle of employing divided manifold tee joint of the present invention.
Figure
is a kind of ovum pin sketch map of getting in the past.
Figure
gets ovum pin sketch map in the past another.
Among the figure, 1 is the puncture needle link, and 2 is collecting terminal, and 3 are the transfusion end, and 4 are the threeway inner chamber; 5 is collecting pipe, and 6 is vacuum suction device, and 7 is tube for transfusion, and 8 is liquid containing bottle; 9 is the low pressure infusion set, and 10 is foot switch, and 11 is divided manifold tee joint, and 12 is suction tube; 13 is receiving flask, and 14 is liquid storage pipe, and 15 are the interlock electric machine, and 16 is foot switch
The specific embodiment
Below, with reference to accompanying drawing, specify the asepsis single cavity ovum-picking needle that adopts divided manifold tee joint of the present invention.
A kind of novel asepsis single cavity ovum-picking needle, said asepsis single cavity ovum-picking needle comprise that the end is provided with the puncture needle in ultrasonic echo district, handle, collecting pipe, vacuum suction device, electromechanical interlocks.
End was communicated with the low pressure 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 1.4 ~ 1.55mm, and the junction diameter of divided manifold tee joint inner chamber that is communicated with said collecting pipe and low pressure infusion set end is at 0.8 ~ 1.0mm.
In the present embodiment, said divided manifold tee joint is arranged in the said handle, and said handle and divided manifold tee joint are that an one gets moulded section.Said divided manifold tee joint inner chamber is oval partially cavity.The puncture needle internal diameter that is communicated with the oval partially cavity of 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 ~ 1.100mm.
In the present embodiment, the puncture needle external diameter that is communicated with said divided manifold tee joint for germfree ovum aspiration needle is 21G ~ 17G, i.e. 0.8 ~ 1.4mm.
Said divided manifold tee joint chamber is oval partially cavity, and its major diameter is at 8-10mm, and the minor axis diameter is at 5 ~ 6mm.
The puncture needle end junction diameter of said divided manifold tee joint inner chamber is at 1.4-1.55mm.Thus, form 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.
In the present embodiment, said connection uses pipeline to be the ABS material.
Except following difference, other adopt divided manifold tee joint of the present invention as embodiment 1, make novel asepsis single cavity ovum-picking needle.
End was communicated with the low pressure 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 collecting pipe and low pressure infusion set end is at 1.0mm.
At 1.7mm, material is a politef 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 10-12mm, and the minor axis diameter is at 6-7mm.
Except following difference, other use divided manifold tee joint of the present invention as embodiment 2, make novel asepsis single cavity ovum-picking needle.
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.Being communicated with uses pipeline material to be silica gel material.
According to novel asepsis single cavity ovum-picking needle 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 ~ 16G according to patient's situation in 0.8 ~ 1.69mm) 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 flushing liquor, 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 (6)
1. divided manifold tee joint for germfree ovum aspiration needle; Said divided manifold tee joint for germfree ovum aspiration needle is used for being communicated with respectively puncture needle, collection pipe that is communicated with vacuum suction device that the end is provided with the ultrasonic echo district and the low pressure infusion set that is communicated with a liquid storage pipe and liquid containing bottle simultaneously; It is characterized in that
Said divided manifold tee joint inner chamber is oval partially cavity,
The puncture needle end junction diameter of said divided manifold tee joint inner chamber 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,
Said divided manifold tee joint is arranged in the handle, and said handle and divided manifold tee joint are a pressing mold, and be one-body molded, and said handle and divided manifold tee joint material are medical macromolecular materials.
2. divided manifold tee joint for germfree ovum aspiration needle according to claim 1 is characterized in that, the puncture needle external diameter that is communicated with said divided manifold tee joint for germfree ovum aspiration needle is 21G～17G, i.e. 0.8～1.51mm.
3. divided manifold tee joint for germfree ovum aspiration needle according to claim 1 is characterized in that, the puncture needle internal diameter that is communicated with said divided manifold tee joint for germfree ovum aspiration needle is at 0.490～0.950mm.
4. divided manifold tee joint for germfree ovum aspiration needle according to claim 1 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, and the minor axis diameter is at 1.5～2.5mm.
5. divided manifold tee joint for germfree ovum aspiration needle according to claim 3 is characterized in that, the said connection that is communicated with said divided manifold tee joint for germfree ovum aspiration needle uses pipeline for being selected from a kind of of PVC material, silica gel material or polytetrafluoroethylmaterial material.
6. divided manifold tee joint for germfree ovum aspiration needle according to claim 1 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.
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| CN2009100562169A CN101628146B (en) | 2009-08-11 | 2009-08-11 | Divided manifold tee joint for germfree ovum aspiration needle |
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| CN101628146B true CN101628146B (en) | 2012-05-09 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101822567A (en) * | 2010-02-10 | 2010-09-08 | 江西诺德医疗器械有限公司 | Disposable double-cavity ovum taking needle |
| CN107137791B (en) * | 2017-05-25 | 2023-11-17 | 中国人民解放军第二军医大学 | Double-injector linkage fixing device |
| CN112168315B (en) * | 2020-10-20 | 2023-09-08 | 太平洋康泰科学仪器（济南）有限公司 | Puncture ovum device of getting |
| CN112168314A (en) * | 2020-10-20 | 2021-01-05 | 太平洋康泰科学仪器（济南）有限公司 | Puncture ovum-taking device with heat-insulating structure |
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|---|---|---|---|---|
| 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 |
| CN201481987U (en) * | 2009-08-11 | 2010-05-26 | 上海安久生物科技有限公司 | Manifold branch tee joint used for aseptic ovum retrieval needle |
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2009
- 2009-08-11 CN CN2009100562169A patent/CN101628146B/en active Active
Patent Citations (4)
| 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 |
| CN201481987U (en) * | 2009-08-11 | 2010-05-26 | 上海安久生物科技有限公司 | Manifold branch tee joint used for aseptic ovum retrieval needle |
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