CN101804236A - Hystero-salpingography and recanalization surgical instrument and use method thereof - Google Patents
Hystero-salpingography and recanalization surgical instrument and use method thereof Download PDFInfo
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- CN101804236A CN101804236A CN201010117270A CN201010117270A CN101804236A CN 101804236 A CN101804236 A CN 101804236A CN 201010117270 A CN201010117270 A CN 201010117270A CN 201010117270 A CN201010117270 A CN 201010117270A CN 101804236 A CN101804236 A CN 101804236A
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Abstract
The invention belongs to the technical field of medical appliances, particularly relates to a hystero-salpingography and recanalization surgical instrument and a use method thereof. The invention aims to overcome the defect of the existing hystero-salpingography and recanalization surgical instruments, designs a special sheath guide device as well as a canula and a guide wire which are matched with the sheath guide device for hystero-salpingography and recanalization, and the surgical instrument consists of the sheath guide device with a ballonet, an inner core of the guide device, the canula and the guide wire. The inner core of the sheath guide device is smooth and hard and has round and blunt head end, and when the rear end of the inner core is locked, the front end thereof is protruded out of the front end of the sheath guide device and is seamlessly attached with the sheath guide device; the part, which is placed in a uterine cavity, of the sheath guide device is short and is right placed in the middle of the uterine cavity; metal marks which can not be penetrated by X ray are arranged at the head end parts of the sheath guide device and the canula; and the hard material of the canula has stronger torsion, the head end parts of both the canula and the guide wire are provided with a single flexure degree of 15 to 30 degrees, and the direction marks at the rear parts have the same bending directions as those of the head end parts.
Description
Technical field
The invention belongs to gynecological's technical field of medical instruments, particularly a kind of hysterosalpingography and logical again operating theater instruments and using method thereof.
Background technology
Infertility is meant that the couple at child-bearing age has the normality life, do not take contraceptives and not pregnant person.Its sickness rate is obvious ascendant trend, show in 33 center survey results of 25 countries latter stage in the eighties in 20th century according to World Health Organization (WHO): developed country has 5%～8% the couple at child-bearing age to be subjected to the puzzlement of infertility approximately, up to about 30%, China is about 6%～15% to the prevalence of some regional infertility of developing country especially.Global infertile patient number is about 8,000 ten thousand～1.1 hundred million.Cause infertile reason numerous, bridegroom's or husband's side factor such as sexual dysfunction, dysspermatism etc. are arranged, but based on wife's side factor, wherein again with uterus and fallopian tube deformity or salpingitis tubal and stop up the most common.
In numerous inspections or treatment means at the above-mentioned cause of disease, the hysterosalpingography of X line guiding and logical again art because of its accurately and reliably, diagnosis height, damage be little etc., and advantage forms is first-selection.
The hysterosalpingography of so-called X line guiding and logical again art are to inject contrast agent by conduit in uterine cavity and fallopian tube, utilize the capable X line of X radiodiagnosis x instrument perspective or take the photograph sheet, according to contrast agent judge at fallopian tube and Intrapelvic development situation whether fallopian tube unobstructed, a kind of inspection method of obstructive position and uterine cavity shape.This technology can be understood the reason of constitutional or secondary infertility, understanding uterus and fallopian tube has or not congenital malformation or pathologic condition to exist, can also understand oviducal whether the obstruction and region of obstruction, some cases can impel obstructed fallopian tube to be able to lead to again and become pregnant through hysterosalpingography and logical again postoperative.
Regrettably, there is tangible limitation in the related surgical apparatus of domestic present use, and portioned product costs an arm and a leg, and disposable use compatriots are difficult to bear; Angiography catheter in the portioned product needs cervical clamps, metal probe cooperation when entering cervix uteri, damage endometrium or fallopian tube opening easily, causes new inflammation; Then be difficult for inserting for the present related equipment of the patient of primary infertility and cervical spasm; Seek the fallopian tube opening in the art and have blindness, it is big that not only the operating time is long, doctors and patients accept radiological dose, and may further increase the weight of the damage of inner membrance; The head end of radiography pipe is often amesiality, occurring an oviductus lateralis or cornua uteri in the art easily develops good, though and offside does not develop or have and develop but phenomenon that image can't be analyzed, need adjust repeatedly the radiography pipe repeatedly radiography could obtain satisfied result, this has increased the weight of the chance of endometrial impairment and infection undoubtedly.
Summary of the invention
The above-mentioned weak point that the objective of the invention is to overcome the hysterosalpingography of existing X line guiding and lead to operating theater instruments again, the hysterosalpingography that designs a kind of X line guiding reaches the dedicated conduits and the sheath group thereof of logical art again, the at first Non-Invasive sheath group of inserting, radiography reaches to lead to again and all carries out in sheath subsequently, once holding tube just can be finished X line guiding hysterosalpingography and logical again operation smoothly like this, not only can improve the visualization ratio of hysterosalpingography, the damage that operation brings in the reduction uterine cavity or the chance of infection, and can make again logical operation become very quick and convenient, thereby the shortening operating time reduces the radiological dose that doctors and patients accept.The design's expense is lower simultaneously, can reduce medical treatment cost and help the popularization in hospitals at different levels.
For reaching above-mentioned purpose, the technical scheme that the design adopts is: hysterosalpingography and the logical again operating theater instruments of being made of a cover X line guiding sheath introducer assembly, conduit and the seal wire of dribbling capsule.The sheath introducer assembly of described dribbling capsule is made up of three chamber sheath introducers (1) of dribbling capsule and supporting sheath introducer inner core (2), as Fig. 1, three chamber sheath introducer main bodys (3) shape linearly wherein, length is 20-30cm, it designs a radiopaque endless metal label 1 (4) foremost, design a transverse diameter 2-3cm in the 0.5-1.0cm place foremost apart from it, the oval expandable balloon (5) of vertical footpath 1cm, sacculus links to each other with the single channel cock (7) that is opened on the tail end sidewall by connection tube (6), can by syringe since then the single channel cock fill normal saline or the suction normal saline with control sacculus expansion or contraction; The tail end of sheath introducer is designed to the unidirectional anti-valve (8) that backflows, this valve is the passage of conduit from sheath introducer discrepancy intrauterine cavity, the sidewall of sacculus tail end designs a single channel cock (9) in addition, this single channel cock communicates with catheter sheath inner chamber (10) by prolonging pipe, for injecting or suction contrast agent or drug channel to intrauterine cavity, as Fig. 2 through the sheath introducer.That described sheath introducer inner core is designed to is smooth, matter is hard, the solid rod-like thing of head end circle, and its front end protrudes in sheath introducer front end 1-2cm and pastes mutually with the sheath introducer is seamless when inserting the sheath introducer fully, as Fig. 4.Described catheter proximal end (11) is designed to " J " type, the hard hollow of matter also has good torsion, its head end can be moulding according to the operation needs, its internal diameter can hold 0.035 inch wire guide to be passed through smoothly, its head end is sharp and not sharp, inlay a radiopaque belt metal marker 2 (12), in order to the clear and definite head-end location of operator in the Rhizoma Atractylodis Macrocephalae, its tail end is Rule adapter (13), can link to each other with the syringe conehead is seamless, tail end cross-sectional design bearing mark (14) is identical with front end conductor housing extreme direction, and the clear and definite conductor housing extreme direction of operator in the favourable Rhizoma Atractylodis Macrocephalae is as Fig. 5.Described seal wire front end also is designed to " J " type, and head end is soft and blunt, body matter hard and have good torsion, its diameter be 0.035 or 0.018 inch and with described catheter diameter coupling, as Fig. 6.
When using the described product of the design, use by following operational approach: the patient gets calculi position, the bed hedgehopping buttocks, routine is carried out perineum, vagina and cervix uteri sterilization, the shop aseptic towel, wear sterile gloves, open described hysterosalpingography of disinfectant and logical again operating theater instruments, put into vagina with disinfectant specula and appear cervix uteri, uterine cavity is inserted in the slow rotation of the sheath introducer of band inner core, before push away sheath introducer assembly, inject 3-5ml normal saline dilating sacculus and lock cock from the single channel cock that connects sacculus with syringe, withdraw the internal core rod in the sheath introducer assembly; Perspective is injected the 8-10ml diodone and is taken the photograph sheet from the single channel cock of connecting utricle introducer inner chamber down, at this moment, intrauterine cavity and fallopian tube meeting excellent developing, if uterus and fallopian tube form, size are normally, tube chamber is unobstructed, disperse can in the contrast agent pelvic cavity, from the single channel cock suction diodone of connecting utricle introducer inner chamber and with the normal saline flushing uterine cavity, and with syringe normal saline in the single channel cock suction sacculus that connects sacculus, withdraw from the sheath introducer, routine disinfection cervix uteri and vagina, art finishes, as Fig. 7.If it is one-sided or the bilateral salpingemphraxis is obstructed, then introduce described hysterosalpingography and reach the conduit that leads to again in the operating theater instruments from sheath introducer valve end, and adjust the angle and direction of conductor housing side according to radiography finding last time, inject contrast agent to show the cornua uteri position from conduit tail side, introduce described hysterosalpingography from the conduit tail end and reach the seal wire that leads to again in the operating theater instruments, enter the capable logical again art of fallopian tube from cornua uteri, withdraw from described seal wire, radiography is understood the unobstructed situation of fallopian tube once more, so repeatedly, until unobstructed, extract diodone out and, aspirate normal saline in the sacculus from the single channel cock that connects sacculus with syringe with the normal saline flushing uterine cavity from the single channel cock of connecting utricle introducer inner chamber, withdraw from the sheath introducer, routine disinfection cervix uteri and vagina, art finishes, as Fig. 8.
The designer brings into use homemade above-mentioned hysterosalpingography and logical again operating theater instruments from the nineties in last century, accumulated abundant use experience, clinical effectiveness is satisfied, its Design Conception and use cognition are all published with the form of paper and monograph, see adnexa 1, adnexa 2, adnexa 3 for details, through academic exchange and continuing education training, become conventional diagnosis and treatment method in inventor place hospital and part hospital.The present domestic similar request for product patent of not seeing.Described hysterosalpingography of the design and logical again operating theater instruments have following beneficial effect or advantage than like product:
1. described hysterosalpingography and logical again operating theater instruments are with the sheath introducer and the assembly thereof of special use, special-purpose conduit and seal wire are formed, wound is little when inserting the sheath arrangement for guiding, radiography reaches to lead to again and all carries out in the sheath introducer, once holding tube just can be finished X line guiding hysterosalpingography and logical again operation smoothly like this, not only can improve the visualization ratio of hysterosalpingography, the damage that operation brings in the reduction uterine cavity or the chance of infection, and can make again logical operation become very quick and convenient, thereby the shortening operating time reduces the radiological dose that doctors and patients accept.
2. the sheath introducer inner core in described hysterosalpingography and the logical again operating theater instruments is a solid rod-like thing smooth, that matter is hard, the head end circle pauses, its front end protrudes in sheath introducer front end 1-2cm and pastes mutually with the sheath introducer is seamless when inserting sheath introducer locking tail side fully, not only help being presented to the sheath introducer in the uterine cavity smoothly, minimizing sheath introducer is inserted and is damaged endometrium in the process, the damage that also can avoid mouse tooth forceps clamp cervix uteri to cause.
3. the sheath introducer in described hysterosalpingography and the logical again operating theater instruments is inserted intrauterine part weak point and is positioned at the cavity of uterus center, helping contrast agent flows to the bilateral fallopian tube uniformly, thereby make whole uterine cavity and bilateral fallopian tube be known development, help through the capable bilateral fallopian tube recanalization of this sheath introducer art.
4. sheath introducer head side and conductor housing side in described hysterosalpingography and the logical again operating theater instruments all have radiopaque metal marker, the position relation of sheath introducer head side and conductor housing side and cornua uteri, Uterus wall be can know in the art, Uterus wall or endosalpinx avoided damaging.
5. conductor housing side and conductive filament head side in described hysterosalpingography and the logical again operating theater instruments all are " J " type, consistent with calculi position angular intrauterine fallopian tube opening direction, help superselective catheterization to angular intrauterine, shorten operating time, reduce doctors and patients and accept x-ray dose.
6. the conduit matter in described hysterosalpingography and the logical again operating theater instruments has stronger torsion firmly, and tail side bearing mark is consistent with a side bending direction, helps adjusting conductor housing side direction in patient's art, seeks the fallopian tube aperture position.
6. described hysterosalpingography and logical again operating theater instruments design and manufacturing expense are cheaper, easy and simple to handle, can reduce medical treatment cost and help the popularization in hospitals at different levels
Description of drawings
The front view of the sheath introducer assembly in described hysterosalpingography of Fig. 1 and the logical again operating theater instruments
The front view of the sheath introducer in described hysterosalpingography of Fig. 2 and the logical again operating theater instruments
The sectional view of the sheath introducer in described hysterosalpingography of Fig. 3 and the logical again operating theater instruments
The front view of the sheath introducer inner core in described hysterosalpingography of Fig. 4 and the logical again operating theater instruments
The front view of conduit in described hysterosalpingography of Fig. 5 and the logical again operating theater instruments
Seal wire front view in described hysterosalpingography of Fig. 6 and the logical again operating theater instruments
Sketch map when described hysterosalpingography of Fig. 7 and logical again operating theater instruments row hysterosalpingography
Sketch map when described hysterosalpingography of Fig. 8 and logical again operating theater instruments row uterus and fallopian tube are logical again
The belt metal marker 2 13-Rule adapter 14-bearing mark 15-cavity of uterus 16-ovary 17-cervix uteri 18-fallopian tube of the anti-valve 9-single channel cock 10-catheter sheath inner chamber 11-catheter proximal end 12-that backflows of marginal data: 1-three chamber sheath introducer 2-sheath introducer inner core 3-three chamber sheath introducer main body 4-endless metal labels 1 5-sacculus 6-connection tube 7-single channel cock 8-
The specific embodiment
The description of following specific embodiments and embodiment only is used for more detailed explanation the present invention, rather than is used for limiting the scope of the invention.
Structure of the present invention is shown in Figure of description, and the present invention is made up of sheath introducer assembly, conduit and seal wire three parts of dribbling capsule.Concrete size and shape, function are as follows: sheath introducer main body is shape linearly, length is 20-30cm, it designs a radiopaque endless metal label foremost, apart from its side 0.5-1.0cm place design one transverse diameter 2-3cm, the oval sacculus of vertical footpath 1cm, sacculus links to each other with the single channel cock that is opened on the tail end sidewall by connection tube; The tail end of sheath introducer is the unidirectional anti-valve that backflows, and the sidewall of sheath introducer tail side designs a single channel cock in addition, and this single channel cock communicates with the catheter sheath inner chamber by prolonging pipe, and the above-mentioned prolongation pipe that links to each other with single channel can be designed to different length as required.Sheath introducer inner core is a solid rod-like thing smooth, that matter is hard, the head end circle pauses, and its front end protrudes in sheath introducer head side 1-2cm and pastes mutually with the sheath introducer is seamless when tail end is locked in sheath introducer tail end.Catheter proximal end is " J " type, the hard hollow of matter also has good torsion, its curvature is the 15-30 degree, its head end can be moulding according to the operation needs, its internal diameter can hold 0.035 inch wire guide to be passed through smoothly, and its head end is blunt and justify, and is inlaid with radiopaque belt metal marker, its tail end is the standard Luer adapter, and tail end cross-sectional direction labelling is identical with front end conduit head end bending direction.The seal wire front end also is designed to " J " type, and its curvature is the 15-30 degree, and head end is soft and blunt, and body matter is hard and good torsion, its diameter are arranged is 0.035 or 0.018 inch.
Described hysterosalpingography reaches the Hans that added up in design considerations " the Chinese's anatomy numerical value " book of logical operating theater instruments size again and plants uterus, oviducal anatomical data, conspicuous, the design that can be announced according to the present invention is designed the model that meets different ethnic groups, different nationalities, is convenient to clinical practice.
Described hysterosalpingography and the logical again applicating example of operating theater instruments in hysterosalpingography.The patient gets calculi position, the bed hedgehopping buttocks, routine is carried out perineum, vagina and cervix uteri sterilization, the shop aseptic towel, wear sterile gloves, open disinfectant hysterosalpingography and logical again operating theater instruments, insert vagina with disinfectant specula and appear cervix uteri, uterine cavity is inserted in the slow rotation of the sheath introducer of band inner core, before push away the sheath arrangement for guiding, inject 3-5ml normal saline dilating sacculus and lock cock from the single channel cock that connects sacculus with syringe, withdraw the internal core rod in the sheath introducer assembly; Perspective is injected 8-10ml diodone perspective or is taken the photograph sheet from the single channel cock of connecting utricle introducer inner chamber down, at this moment, intrauterine cavity and fallopian tube meeting excellent developing, if uterus and fallopian tube form, size are normally, tube chamber is unobstructed, disperse can in the contrast agent pelvic cavity, from the single channel cock sucking-off diodone of connecting utricle introducer inner chamber and with the normal saline flushing uterine cavity, take out normal saline in the most sacculus with syringe from the single channel cock that connects sacculus, withdraw from the sheath introducer, routine disinfection cervix uteri and vagina, art finishes.
Described hysterosalpingography and the logical again operating theater instruments applicating example in the logical again art of uterus and fallopian tube.According to embodiment 1 described operation, if it is one-sided or the bilateral salpingemphraxis is obstructed, then introduce described hysterosalpingography and reach " J " shape conduit that leads to again in the operating theater instruments from sheath introducer tail end valve, and adjust the angle and direction of conductor housing side according to radiography finding last time, inject contrast agent to show the cornua uteri position from conduit tail side on a small quantity repeatedly, introduce described hysterosalpingography from conduit tail side and reach the seal wire that leads to again in the operating theater instruments, enter the capable logical again art of fallopian tube from cornua uteri, withdraw from described seal wire, radiography is understood the unobstructed situation of fallopian tube once more, so repeatedly, unobstructed until fallopian tube.From the single channel cock sucking-off diodone of connecting utricle introducer inner chamber and with the normal saline flushing uterine cavity, take out normal saline in the most sacculus with syringe from the single channel cock that connects sacculus, withdraw from the sheath introducer, routine disinfection cervix uteri and vagina, art finishes.
Below only be the preferred forms of the present invention in the part case-specific, according to content disclosed by the invention, those of ordinary skill in the art can expect some identical, replacement schemes apparently, all should fall into the scope of protection of the invention.
Claims (8)
1. hysterosalpingography and logical again operating theater instruments is characterized by: this operating theater instruments is made up of the conduit and the seal wire of the sheath introducer of dribbling capsule, sheath introducer inner core, the front end bend in one direction that matches.
2. a kind of hysterosalpingography according to claim 1 and logical again operating theater instruments, it is characterized in that: its sheath introducer inner core is a solid rod-like thing smooth, that matter is hard, head end circle is blunt, and its front end protrudes in sheath introducer front end and pastes mutually with the sheath introducer is seamless when inserting sheath introducer locking tail side fully.
3. a kind of hysterosalpingography according to claim 1 and 2 and logical again operating theater instruments is characterized in that: its sheath introducer is inserted intrauterine part and is positioned on the cervix uteri 2cm with the positive middle part of cavity of uterus.
4. a kind of hysterosalpingography according to claim 1 and 2 and logical again operating theater instruments, it is characterized in that: its sheath introducer head side and conductor housing side have radiopaque endless metal labelling.
5. according to claim 1 or 4 described a kind of hysterosalpingographies and logical again operating theater instruments, it is characterized in that: its conductor housing side and conductive filament head side all have the bend in one direction degree of 15-30 degree, and its head end can be moulding according to needs in the art.
6. according to claim 1 or 4 described a kind of hysterosalpingographies and logical again operating theater instruments, it is characterized in that: its conduit matter hard and moulding after stronger torsion is arranged, tail side bearing mark is consistent with a side bending direction.
7. a kind of hysterosalpingography according to claim 1 and logical again operating theater instruments, its using method is: the patient gets calculi position, the bed hedgehopping buttocks, routine is carried out perineum, vagina and cervix uteri sterilization, the shop aseptic towel, wear sterile gloves, open described hysterosalpingography of disinfectant and logical again operating theater instruments, put into vagina with disinfectant specula and appear cervix uteri, uterine cavity is inserted in the slow rotation of the sheath introducer of band inner core, before push away the sheath arrangement for guiding, inject 3-5ml normal saline dilating sacculus and lock cock from the single channel cock that connects sacculus with syringe, withdraw the internal core rod in the sheath introducer assembly, perspective is injected the 8-10ml diodone and is had an X-rayed or take the photograph sheet from the single channel cock of connecting utricle introducer inner chamber down, at this moment, intrauterine cavity and fallopian tube meeting excellent developing, if uterus and fallopian tube form, size is normal, tube chamber is unobstructed, disperse can in the contrast agent pelvic cavity, from the single channel cock sucking-off diodone of connecting utricle introducer inner chamber and with the normal saline flushing uterine cavity, take out normal saline in the most sacculus with syringe from the single channel cock that connects sacculus, withdraw from the sheath introducer, routine disinfection cervix uteri and vagina, art finishes.
8. according to claim 1 or 7 described a kind of hysterosalpingographies and logical again operating theater instruments, its using method is: one-sided or the bilateral salpingemphraxis is obstructed, then introduce described hysterosalpingography and reach the conduit that leads to again in the operating theater instruments from sheath introducer tail side valve, and adjust the angle and direction of conductor housing side according to radiography finding last time, and inject contrast agent to show the cornua uteri position from conduit tail side, introduce described hysterosalpingography from the conduit tail end and reach the seal wire that leads to again in the operating theater instruments, enter the capable logical again art of fallopian tube from cornua uteri, withdraw from described seal wire, radiography is understood the unobstructed situation of fallopian tube once more, so repeatedly, until unobstructed, from the single channel cock sucking-off diodone of connecting utricle introducer inner chamber and with the normal saline flushing uterine cavity, take out normal saline in the most sacculus with syringe from the single channel cock that connects sacculus, withdraw from the sheath introducer, routine disinfection cervix uteri and vagina, art finishes.
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| CN201010117270A CN101804236A (en) | 2010-02-24 | 2010-02-24 | Hystero-salpingography and recanalization surgical instrument and use method thereof |
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| CN201010117270A CN101804236A (en) | 2010-02-24 | 2010-02-24 | Hystero-salpingography and recanalization surgical instrument and use method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399176A (en) * | 2014-12-04 | 2015-03-11 | 浙江天使医疗器械有限公司 | Novel sacculus cervical dilator |
| CN107550534A (en) * | 2017-10-10 | 2018-01-09 | 宁波健世生物科技有限公司 | Direct motion descending aorta balloon occlusion device |
| CN107865997A (en) * | 2017-11-09 | 2018-04-03 | 乔三福 | Drainage system and guider |
| CN111312007A (en) * | 2020-03-06 | 2020-06-19 | 吉林大学 | Teaching simulation device for ultrasonic angiography of oviduct |
| CN111419304A (en) * | 2020-04-16 | 2020-07-17 | 上海科赐医疗技术有限公司 | Curved balloon catheter retractor |
| CN111616779A (en) * | 2020-06-08 | 2020-09-04 | 刘阳 | Bidirectional leading-in blood vessel puncture device |
| CN114917455A (en) * | 2021-07-20 | 2022-08-19 | 湖南埃普特医疗器械有限公司 | Guiding catheter inner core and no-sheath guiding catheter system |
-
2010
- 2010-02-24 CN CN201010117270A patent/CN101804236A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399176A (en) * | 2014-12-04 | 2015-03-11 | 浙江天使医疗器械有限公司 | Novel sacculus cervical dilator |
| CN107550534A (en) * | 2017-10-10 | 2018-01-09 | 宁波健世生物科技有限公司 | Direct motion descending aorta balloon occlusion device |
| CN107550534B (en) * | 2017-10-10 | 2023-08-01 | 宁波健世科技股份有限公司 | Antegrade descending aortic balloon blocker |
| CN107865997A (en) * | 2017-11-09 | 2018-04-03 | 乔三福 | Drainage system and guider |
| CN111312007A (en) * | 2020-03-06 | 2020-06-19 | 吉林大学 | Teaching simulation device for ultrasonic angiography of oviduct |
| CN111312007B (en) * | 2020-03-06 | 2021-06-11 | 吉林大学 | Teaching simulation device for ultrasonic angiography of oviduct |
| CN111419304A (en) * | 2020-04-16 | 2020-07-17 | 上海科赐医疗技术有限公司 | Curved balloon catheter retractor |
| CN111616779A (en) * | 2020-06-08 | 2020-09-04 | 刘阳 | Bidirectional leading-in blood vessel puncture device |
| CN114917455A (en) * | 2021-07-20 | 2022-08-19 | 湖南埃普特医疗器械有限公司 | Guiding catheter inner core and no-sheath guiding catheter system |
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Application publication date: 20100818 |