CN204839686U - Two -chamber is got ovum pjncture needle and is got ovum device - Google Patents
Two -chamber is got ovum pjncture needle and is got ovum device Download PDFInfo
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- CN204839686U CN204839686U CN201520488043.9U CN201520488043U CN204839686U CN 204839686 U CN204839686 U CN 204839686U CN 201520488043 U CN201520488043 U CN 201520488043U CN 204839686 U CN204839686 U CN 204839686U
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- closing member
- ovum
- nook closing
- needle body
- hollow needle
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Abstract
The utility model discloses a two -chamber is got ovum pjncture needle and is got ovum device, wherein, the ovum pjncture needle is got to the two -chamber, including cavity needle body and solid nook closing member, the diameter of front end to the rear end of cavity needle body is crescent, and forms irrigation channel in the cavity needle body and get the ovum passageway, the front end of cavity needle body has an inclined plane incision, and irrigation channel's export and the entry of getting the ovum passageway are located the inclined plane incision, and the rear end of cavity needle body is equipped with a male joint, solid nook closing member includes first nook closing member and second nook closing member, and first nook closing member activity is installed in irrigation channel, and first nook closing member front end has a first scarf of the export that is used for shutoff irrigation channel, and on an end cap was fixed in to the rear end of first nook closing member front end, the end cap male joint offseted, the activity of second nook closing member is installed in getting the ovum passageway, and second nook closing member front end has and be used for the shutoff to get the second scarf of the entry of ovum passageway, and the rear end of second nook closing member is fixed in on the end cap. The utility model discloses can prevent that the pjncture needle from stopping up, it is effectual to get the ovum, and simultaneously, the little intensity of diameter is big.
Description
Technical field
This utility model relates to gets ovum pin, particularly relates to a kind of double-cavity ovum taking puncture needle and gets ovum device.
Background technology
Get ovum under early 1980s has started Transvaginal ultrasound monitoring after, because it is simple to operate, obtain ovum rate high, patient suffering is less, and widely doctor and patient accepted, and has become one of conventional steps in vitro fertilization-embryo implanting.
And namely get ovum pin be monitor for transvaginal sonography the main medical devices got in ovum, current ovum pin of getting generally comprises puncture needle, collecting pipe, plug and vacuum pipeline, wherein puncture needle is divided into single cavity puncture needle and dual chamber puncture needle, namely dual chamber puncture needle is the sheathed formation of inside and outside two hollow needle bodies of rustless steel, in use, be inserted in intrauterine follicle and get ovum by negative-pressure adsorption.But, in concrete operations, there is certain blindness, when having variation when trachea dissects position in misoperation or patient's pelvic cavity, puncture needle may injure contiguous tissue, in the process, puncture needle may be made to be blocked by tissue substance, to such an extent as to affect the effect of follow-up negative pressure taking ovum.In addition, the diameter of current puncture needle is comparatively thick, is difficult to accomplish that diameter is little and the double effects that intensity is large
Utility model content
The purpose of this utility model is overcome deficiency of the prior art and provide a kind of double-cavity ovum taking puncture needle and get ovum device.
The technical scheme that this utility model solution prior art problem adopts is: a kind of double-cavity ovum taking puncture needle, comprising:
Hollow needle body, the diameter of front end to the rear end of described hollow needle body increases gradually, and is formed with the irrigation channel that extends along its axial direction in described hollow needle body and gets ovum passage; The front end of described hollow needle body has bevel cuts, the outlet of described irrigation channel and described in get ovum passage entrance be positioned at described bevel cuts, the rear end of described hollow needle body is provided with a male joint;
Solid nook closing member, described solid nook closing member comprises the first nook closing member and the second nook closing member, described first nook closing member is movably arranged in described irrigation channel, and described first nook closing member front end has the first oblique section of the outlet for irrigation channel described in shutoff, the rear end of described first nook closing member front end is fixed on a plug, and described plug is emerging in described hollow needle external body and offsets with described male joint; Get in ovum passage described in described second nook closing member is movably arranged on, and described second nook closing member front end has the second oblique section of the entrance for getting ovum passage described in shutoff, the rear end of described second nook closing member is fixed on described plug.
Preferably, the diameter of described irrigation channel be less than described in get the diameter of ovum passage.
Preferably, the excircle of described hollow needle body front end is formed with ultrasonic echo district.
Preferably, also comprise protective casing, described protective casing is set in the outside of described hollow needle body, and the length of described protective casing is greater than the length of described hollow needle body.
Preferably, described first nook closing member is in the gradually-reducing shape suitable with described irrigation channel, and described second nook closing member is in getting the suitable gradually-reducing shape of ovum passage with described.
A kind of double-cavity ovum taking device, comprising:
Double-cavity ovum taking puncture needle described above;
Cell harvesting pipe, one end of described cell harvesting pipe connects a female joint by a three way cock, described female joint is connected with the male joint on described double-cavity ovum taking puncture needle is detachable, described three way cock has first passage and second channel, when described solid nook closing member is extracted from described hollow needle body, described ovum passage of getting is communicated with described first passage, and described irrigation channel is communicated with described second channel;
Silica gel plug, described silica gel plug is provided with the first closed hole and the second closed hole, and the other end of described cell harvesting pipe is plugged in described first closed hole;
Vacuum pipeline, one end of described vacuum pipeline is plugged in described second closed hole, and the other end of described vacuum pipeline connects a negative pressure Connection Block;
Syringe pipe, one end of described syringe pipe is connected with the second channel on described three way cock, and the other end connects one and rinses Connection Block.
Preferably, have a stopping surface in described female joint, when described female joint is connected with described male joint, plug and the described stopping surface of described solid nook closing member offset.
The beneficial effects of the utility model are: the double-cavity ovum taking puncture needle that this utility model provides and get ovum device, wherein, puncture needle comprises hollow needle body and solid needle body, solid needle body comprises and is movably arranged on the first nook closing member in irrigation channel respectively and is movably arranged on the second nook closing member got in ovum passage, in concrete use procedure, first the first nook closing member and the second nook closing member to be respectively charged in hollow needle body irrigation channel and to get ovum passage, puncture again, when puncture is to precalculated position, extract solid nook closing member, again the male joint of hollow needle rear end is connected with the female joint of collecting pipe, ovum is got by negative-pressure adsorption.In the process, be the irrigation channel that is respectively charged in hollow needle body due to the first nook closing member, the second nook closing member during puncture and get ovum passage, that is to say that whole puncture needle becomes solid construction, so, even if when touching adjacent tissue, also there will not be the situation of tissue occlusion hollow needle body, can guarantee that negative-pressure adsorption gets ovum better effects if.In addition, the diameter of front end to the rear end of hollow needle body increases gradually, so, can ensure that the diameter of front end is less, to reduce the wound to human body, and rear end diameter is larger, the structural strength of whole puncture needle can be ensured, avoid diameter less and affect its intensity and cause the problems such as operation inconvenience.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment double-cavity ovum taking puncture needle;
Fig. 2 is the structural representation of solid nook closing member in this utility model embodiment double-cavity ovum taking puncture needle;
Fig. 3 is the partial enlarged drawing at A-A place in Fig. 1;
Fig. 4 is the structural representation of this utility model embodiment double-cavity ovum taking device.
Reference numeral:
Hollow needle body 10;
Irrigation channel 101;
Get ovum path 10 2;
Bevel cuts 103;
Ultrasonic echo district 104;
Male joint 11;
Solid nook closing member 12;
First nook closing member 121;
First oblique section 1211;
Second nook closing member 122;
Second oblique section 1221;
Plug 123;
Double-cavity ovum taking puncture needle 100;
Cell harvesting pipe 200;
Three way cock 210;
Female joint 220;
Stopping surface 221;
Silica gel plug 300;
Vacuum pipeline 400;
Negative pressure Connection Block 410;
Syringe pipe 500;
Rinse Connection Block 510.
The realization of this utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining this utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only this utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in this utility model can be understood as the case may be.
Shown in Fig. 3, this utility model embodiment provides a kind of double-cavity ovum taking puncture needle 100, comprises hollow needle body 10 and solid nook closing member 12.
Specifically, the diameter of front end to the rear end of hollow needle body 10 increases gradually, and that is, the diameter of this hollow needle body 10 front end is little, and the diameter of rear end is large, becomes gradually-reducing shape from rear end to front end.Be formed with the irrigation channel 101 that extends along its axial direction in hollow needle body 10 and get ovum path 10 2, wherein, irrigation channel 101 rinses the ovum in ovarian follicle wall for passing into flushing liquor, and gets ovum path 10 2 for providing the ovum in negative-pressure adsorption follicle, realizes getting ovum.
The front end of hollow needle body 10 has bevel cuts 103, the outlet of irrigation channel 101 and described in get ovum path 10 2 entrance be positioned at described bevel cuts 103.The rear end of hollow needle body 10 is provided with a male joint 11.Concrete, the bevel cuts 103 of front end is for puncture, and when front end puncture is to follicle, the ovum near entrance front end can being got ovum path 10 2 by negative pressure is sucked into hollow needle body 10 by the entrance getting ovum path 10 2.And the male joint 11 of rear end is for connecting outside collecting pipe, so, ovum can be collected in the containers such as test tube by collecting pipe.
Solid nook closing member 12 comprises the first nook closing member 121 and the second nook closing member 122, this first nook closing member 121 is movably arranged in described irrigation channel 101, and this first nook closing member 121 front end has the first oblique section 1211 of the outlet for irrigation channel described in shutoff 101, the rear end of the first nook closing member 121 front end is fixed on a plug 123, and this plug 123 is emerging in described hollow needle body 10 outside and offsets with described male joint 11.Get in ovum path 10 2 described in second nook closing member 122 is movably arranged on, and described second nook closing member 122 front end has the second oblique section 1221 of the entrance for getting ovum path 10 2 described in shutoff, the rear end of described second nook closing member 122 is fixed on described plug 123.
That is, solid nook closing member 12 fills irrigation channel 101 for filling hollow needle body 10, first nook closing member 121 in piercing process, and ovum path 10 2 is got in the second nook closing member 122 filling, makes hollow needle body 10 become solid construction.Concrete, before puncture, first nook closing member 121 and the second nook closing member 122 be respectively charged into the irrigation channel 101 in hollow needle body 10 and get in ovum path 10 2, making hollow needle body 10 become solid state, now, the puncture needle of this solid construction is utilized to puncture, when lancet puncture is to when penetrating to follicle smoothly, extracts solid nook closing member 12, make hollow needle body return to hollow state, so, hollow needle body can be utilized to get ovum by negative-pressure adsorption.
And the plug 123 that the first nook closing member 121 is connected with the second nook closing member 122 rear end can be convenient to operator this solid nook closing member 12 is loaded hollow needle body 10 or is extracted from hollow needle body 10 by solid nook closing member 12.
In an embodiment of the present utility model, described in the diameter of irrigation channel 101 is less than, get the diameter of ovum path 10 2.So, can guarantee that getting ovum path 10 2 can get ovum smoothly, meanwhile, irrigation channel 101 can be distinguished and can pass into appropriate flushing liquor, so that rinse the ovum of ovarian follicle wall, get ovum rate to improve.
In a preferred embodiment of the present utility model, the excircle of hollow needle body 10 front end is formed with ultrasonic echo district 104.So, when the transvaginal probe that puncture needle is fixed on B ultrasonic, when being fed through intravaginal, B ultrasonic display screen can be seen the image in ultrasonic echo district 104, so that doctor accurately judges the degree of depth and the position of lancet puncture, the accurate of puncture position is guaranteed.
More favorably, in an embodiment of the present utility model, also comprise protective casing, described protective casing is set in the outside of described hollow needle body 10, and the length of described protective casing is greater than the length of described hollow needle body 10.So, when carrying the non-working conditions such as transport, this puncture needle can be protected by protective casing, ensureing health and the safety of puncture needle.
It should be noted that, the first nook closing member 121 is in the gradually-reducing shape suitable with described irrigation channel 101, and the second nook closing member 122 is in getting the suitable gradually-reducing shape of ovum path 10 2 with described.So, can conveniently with filling irrigation channel 101 with get ovum path 10 2, make in piercing process, puncture needle forms solid state.
According to the double-cavity ovum taking puncture needle 100 that this utility model provides, comprise hollow needle body 10 and solid needle body, solid needle body comprises the first nook closing member 121 of being movably arranged on respectively in irrigation channel 101 and is movably arranged on the second nook closing member 122 got in ovum path 10 2, in concrete use procedure, first the first nook closing member 121 and the second nook closing member 122 to be respectively charged in hollow needle body 10 irrigation channel 101 and to get ovum path 10 2, puncture again, when puncture is to precalculated position, extract solid nook closing member 12, again the male joint 11 of hollow needle body 10 rear end is connected with the female joint 220 of collecting pipe, ovum is got by negative-pressure adsorption.In the process, because the first nook closing member 121, second nook closing member 122 during puncture is irrigation channels 101 of being respectively charged in hollow needle body 10 and gets ovum path 10 2, that is to say that whole puncture needle becomes solid construction, so, even if when touching adjacent tissue, also there will not be the situation of tissue occlusion hollow needle body 10, can guarantee that negative-pressure adsorption gets ovum better effects if.In addition, the diameter of front end to the rear end of hollow needle body 10 increases gradually, so, can ensure that the diameter of front end is less, to reduce the wound to human body, and rear end diameter is larger, the structural strength of whole puncture needle can be ensured, avoid diameter less and affect its intensity and cause the problems such as operation inconvenience.
With reference to shown in Fig. 4, of the present utility modelly embodiment still provides a kind of double-cavity ovum taking device, comprise the double-cavity ovum taking puncture needle 100 as described in above-described embodiment, cell harvesting pipe 200, silica gel plug 300, vacuum pipeline 400 and syringe pipe 500.
One end of cell harvesting pipe 200 connects a female joint 220 by a three way cock 210, this female joint 220 is connected with the male joint 11 on described double-cavity ovum taking puncture needle 100 is detachable, three way cock 210 has first passage and second channel, when described solid nook closing member 12 is extracted from described hollow needle body 10, described ovum path 10 2 of getting is communicated with described first passage, and described irrigation channel 101 is communicated with described second channel.So, cell harvesting pipe 200 namely by first passage with get ovum path 10 2 and be communicated with.
Silica gel plug 300 is provided with the first closed hole and the second closed hole, and the other end of described cell harvesting pipe 200 is plugged in described first closed hole.This silica gel plug 300 is generally sealed and matched on the mouth of pipe of test tube, and cell harvesting pipe 200 can be communicated with test tube.
One end of vacuum pipeline 400 is plugged in described second closed hole, and the other end of described vacuum pipeline 400 connects a negative pressure Connection Block 410.Wherein, negative pressure Connection Block 410 is for connecting outside negative-pressure adsorption device, apply negative pressure by negative-pressure adsorption device to make test tube, cell harvesting pipe 200, get ovum path 10 2 and form negative pressure, so, when double-cavity ovum taking puncture needle 100 punctures in follicle, and after solid nook closing member 12 extracts, can be utilized by the negative pressure formed and get ovum path 10 2 and adsorb ovum in follicle, ovum is finally collected in test tube by collecting pipe.
One end of syringe pipe 500 is connected with the second channel on described three way cock 210, and the other end connects one and rinses Connection Block 510.That is, syringe pipe 500 is communicated with irrigation channel 101 by second channel, so, by rinsing the flushing device that Connection Block 510 connects, flushing liquor is provided, flushing liquor is injected into irrigation channel 101, by irrigation channel 101, the ovum got in ovum process in ovarian follicle wall is rinsed, be beneficial to get ovum path 10 2 and draw ovum, improve and get ovum rate.
In an embodiment of the present utility model, have a stopping surface 221 in female joint 220, when described female joint 220 is connected with described male joint 11, plug 123 and the described stopping surface 221 of described solid nook closing member 12 offset.So, after female joint 220 is connected with described male joint 11, can guarantee that the first oblique section 1211, second oblique section 1221 just coincide with the bevel cuts 103 of hollow needle body 10, solid nook closing member 12 maintains static.
According to the double-cavity ovum taking device that this utility model provides, wherein, puncture needle comprises hollow needle body 10 and solid needle body, solid needle body comprises the first nook closing member 121 of being movably arranged on respectively in irrigation channel 101 and is movably arranged on the second nook closing member 122 got in ovum path 10 2, in concrete use procedure, first the first nook closing member 121 and the second nook closing member 122 to be respectively charged in hollow needle body 10 irrigation channel 101 and to get ovum path 10 2, puncture again, when puncture is to precalculated position, extract solid nook closing member 12, again the male joint 11 of hollow needle body 10 rear end is connected with the female joint 220 of collecting pipe, ovum is got by negative-pressure adsorption.In the process, because the first nook closing member 121, second nook closing member 122 during puncture is irrigation channels 101 of being respectively charged in hollow needle body 10 and gets ovum path 10 2, that is to say that whole puncture needle becomes solid construction, so, even if when touching adjacent tissue, also there will not be the situation of tissue occlusion hollow needle body 10, can guarantee that negative-pressure adsorption gets ovum better effects if.In addition, the diameter of front end to the rear end of hollow needle body 10 increases gradually, so, can ensure that the diameter of front end is less, to reduce the wound to human body, and rear end diameter is larger, the structural strength of whole puncture needle can be ensured, avoid diameter less and affect its intensity and cause the problems such as operation inconvenience.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.
Claims (7)
1. a double-cavity ovum taking puncture needle, is characterized in that, comprising:
Hollow needle body, the diameter of front end to the rear end of described hollow needle body increases gradually, and is formed with the irrigation channel that extends along its axial direction in described hollow needle body and gets ovum passage; The front end of described hollow needle body has bevel cuts, the outlet of described irrigation channel and described in get ovum passage entrance be positioned at described bevel cuts, the rear end of described hollow needle body is provided with a male joint;
Solid nook closing member, described solid nook closing member comprises the first nook closing member and the second nook closing member, described first nook closing member is movably arranged in described irrigation channel, and described first nook closing member front end has the first oblique section of the outlet for irrigation channel described in shutoff, the rear end of described first nook closing member front end is fixed on a plug, and described plug is emerging in described hollow needle external body and offsets with described male joint; Get in ovum passage described in described second nook closing member is movably arranged on, and described second nook closing member front end has the second oblique section of the entrance for getting ovum passage described in shutoff, the rear end of described second nook closing member is fixed on described plug.
2. double-cavity ovum taking puncture needle according to claim 1, is characterized in that, gets the diameter of ovum passage described in the diameter of described irrigation channel is less than.
3. double-cavity ovum taking puncture needle according to claim 1, is characterized in that, the excircle of described hollow needle body front end is formed with ultrasonic echo district.
4. double-cavity ovum taking puncture needle according to claim 1, is characterized in that, also comprise protective casing, and described protective casing is set in the outside of described hollow needle body, and the length of described protective casing is greater than the length of described hollow needle body.
5. double-cavity ovum taking puncture needle according to claim 1, is characterized in that, described first nook closing member is in the gradually-reducing shape suitable with described irrigation channel, and described second nook closing member is in getting the suitable gradually-reducing shape of ovum passage with described.
6. a double-cavity ovum taking device, is characterized in that, comprising:
Double-cavity ovum taking puncture needle according to any one of claim 1 to 5;
Cell harvesting pipe, one end of described cell harvesting pipe connects a female joint by a three way cock, described female joint is connected with the male joint on described double-cavity ovum taking puncture needle is detachable, described three way cock has first passage and second channel, when described solid nook closing member is extracted from described hollow needle body, described ovum passage of getting is communicated with described first passage, and described irrigation channel is communicated with described second channel;
Silica gel plug, described silica gel plug is provided with the first closed hole and the second closed hole, and the other end of described cell harvesting pipe is plugged in described first closed hole;
Vacuum pipeline, one end of described vacuum pipeline is plugged in described second closed hole, and the other end of described vacuum pipeline connects a negative pressure Connection Block;
Syringe pipe, one end of described syringe pipe is connected with the second channel on described three way cock, and the other end connects one and rinses Connection Block.
7. double-cavity ovum taking device according to claim 6, is characterized in that, has a stopping surface in described female joint, and when described female joint is connected with described male joint, plug and the described stopping surface of described solid nook closing member offset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488043.9U CN204839686U (en) | 2015-07-08 | 2015-07-08 | Two -chamber is got ovum pjncture needle and is got ovum device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488043.9U CN204839686U (en) | 2015-07-08 | 2015-07-08 | Two -chamber is got ovum pjncture needle and is got ovum device |
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| Publication Number | Publication Date |
|---|---|
| CN204839686U true CN204839686U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520488043.9U Expired - Fee Related CN204839686U (en) | 2015-07-08 | 2015-07-08 | Two -chamber is got ovum pjncture needle and is got ovum device |
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| CN (1) | CN204839686U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107865685A (en) * | 2017-12-10 | 2018-04-03 | 包洪初 | Ova harvest liquor folliculi test tube thermostat |
| CN108938055A (en) * | 2018-07-19 | 2018-12-07 | 北京大学第三医院 | A kind of central vein puncture needle |
| CN109171827A (en) * | 2018-10-24 | 2019-01-11 | 杭州丽康医学科技股份有限公司 | A kind of binary channels coaxial sleeve needle |
| CN111568479A (en) * | 2020-05-25 | 2020-08-25 | 中国人民解放军西部战区总医院 | Kidney puncture instrument for biopsy |
-
2015
- 2015-07-08 CN CN201520488043.9U patent/CN204839686U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107865685A (en) * | 2017-12-10 | 2018-04-03 | 包洪初 | Ova harvest liquor folliculi test tube thermostat |
| CN108938055A (en) * | 2018-07-19 | 2018-12-07 | 北京大学第三医院 | A kind of central vein puncture needle |
| CN109171827A (en) * | 2018-10-24 | 2019-01-11 | 杭州丽康医学科技股份有限公司 | A kind of binary channels coaxial sleeve needle |
| CN111568479A (en) * | 2020-05-25 | 2020-08-25 | 中国人民解放军西部战区总医院 | Kidney puncture instrument for biopsy |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160708 |
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| CF01 | Termination of patent right due to non-payment of annual fee |