NL9302140A - Biopsy needle system - Google Patents
Biopsy needle system Download PDFInfo
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- NL9302140A NL9302140A NL9302140A NL9302140A NL9302140A NL 9302140 A NL9302140 A NL 9302140A NL 9302140 A NL9302140 A NL 9302140A NL 9302140 A NL9302140 A NL 9302140A NL 9302140 A NL9302140 A NL 9302140A
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- sleeve
- needle
- biopsy needle
- needle assembly
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- 0 CC(*1)C2C1CCCC2 Chemical compound CC(*1)C2C1CCCC2 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B46/00—Surgical drapes
- A61B46/10—Surgical drapes specially adapted for instruments, e.g. microscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B46/00—Surgical drapes
- A61B46/10—Surgical drapes specially adapted for instruments, e.g. microscopes
- A61B46/13—Surgical drapes specially adapted for instruments, e.g. microscopes the drapes entering the patient's body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B17/3431—Cannulas being collapsible, e.g. made of thin flexible material
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00004—(bio)absorbable, (bio)resorbable, resorptive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00287—Bags for minimally invasive surgery
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Cardiology (AREA)
- Pathology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Surgical Instruments (AREA)
Abstract
Description
Biopsienaaldsamenstel.Biopsy needle assembly.
De onderhavige uitvinding heeft betrekking op een biopsienaaldsamen-stel omvattende een biopsienaald, die verschuifbaar opgenomen is in een hulsvormig orgaan, dat enerzijds grenst aan een aanslag en anderzijds een zodanige lengte heeft, dat de naald in teruggetrokken positie binnen het vrije einde van het hulsvormige orgaan ligt en in uitgebrachte positie daarvan voldoende uitsteekt om een monster te kunnen nemen, welk hulsvormig orgaan bij het uiteinde een huls in het lichaam biologisch afbreekbaar materiaal omvat.The present invention relates to a biopsy needle assembly comprising a biopsy needle slidably received in a sleeve-shaped member, which is adjacent a stop on the one hand and, on the other hand, of a length such that the needle is retracted within the free end of the sleeve-shaped member in its deployed position and protrudes sufficiently to be able to take a sample, which sleeve-shaped member at the end comprises a sleeve in the body of biodegradable material.
Een dergelijk biopsienaaldsamenstel is bekend uit het Amerikaanse octrooischrift 4.838.280. Daarbij bestaat de huls uit twee delen. Het voorste deel dat nabij het vrije uiteinde van de biopsienaald ligt is bedoeld om na het terugtrekken van het naaldsamenstel in het betreffende orgaan achter te blijven. Dit bestaat uit een biologisch afbreekbaar materiaal en heeft een bloedstelpende functie. Na het terugtrekken van de biopsienaald wordt het overige, grootste deel van het hulsvormige orgaan tevens uit het lichaam teruggetrokken.Such a biopsy needle assembly is known from US patent 4,838,280. The sleeve consists of two parts. The front part which lies near the free end of the biopsy needle is intended to remain in the relevant organ after the needle assembly has been withdrawn. This consists of a biodegradable material and has a styptic function. After the biopsy needle has been withdrawn, the remainder, most of the sleeve-shaped member, is also withdrawn from the body.
Hoewel de bloedstelpende functie met een dergelijk hulshulpstuk op bevredigende wijze verwezenlijkt kan worden, is gebleken dat met name bij het nemen van monsters van tumoren en echinococcen cysten het gevaar bestaat dat bij het terugtrekken van het biopsienaaldsamenstel bestaande uit de naald en het uit het lichaam beweegbare deel van het hulsvormige orgaan besmetting van het overige lichaam plaatsvindt door aan het vrije uiteinde van het terug beweegbare hulsvormige orgaan hechtende cellen afkomstig van het mogelijk of tumoren echinococcen bevattende orgaan (z.g. entmetastasering). Gebleken is dat bij het nemen van monsters in kwaadaardige tumoren in meer dan 1% van de gevallen uitzaaiing plaatsvindt door plaatsing van het biopsienaaldsamenstel door het lichaam. De kans op uitzaaiing varieert tussen 0,5 en 20% alnaargelang van de aard van tumor en situering. Bijvoorbeeld pancreas carcinomen geven bij biopteren een kans van ± 13% op uitzaaiing waardoor in bepaalde ziekenhuizen geen biopties worden genomen bij verdenking op pancreas tumoren. Bij verdenking op Echinococcen cysten wordt niet overgegaan tot het nemen van een bioptie in bepaalde ziekenhuizen wat wel nodig is voor de definitieve diagnose.Although the styptic function can be satisfactorily achieved with such a sheath aid, it has been found that, in particular when taking samples from tumors and echinococcal cysts, there is a risk of withdrawing the biopsy needle assembly consisting of the needle and the movable body part of the sleeve-shaped organ contamination of the rest of the body takes place by cells adhering to the free end of the movable sleeve-shaped organ, originating from the organ possibly containing tumors echinococci (so-called graft metastasis). It has been found that when samples are taken in malignant tumors, metastasis occurs in more than 1% of cases by placement of the biopsy needle assembly throughout the body. The chance of metastasis varies between 0.5 and 20%, depending on the nature of the tumor and its location. For example, pancreatic carcinomas when biopsied give a ± 13% chance of metastasis, so that in certain hospitals no bioptions are taken if pancreatic tumors are suspected. If Echinococcal cysts are suspected, biopsies are not taken in certain hospitals, which is necessary for the final diagnosis.
Het doel van de onderhavige uitvinding is dit nadeel weg te nemen.The object of the present invention is to overcome this drawback.
Dit doel wordt bij een hierboven beschreven biopsienaaldsamenstel verwezenlijkt doordat de huls biologisch materiaal zich tot die aanslag uitstrekt.This object is accomplished in a biopsy needle assembly described above in that the sleeve of biological material extends to that stop.
Aan de uitvinding ligt het inzicht ten grondslag het buitenste deel van het biopsienaaldsamenstel zich volledig te laten uitstrekken vanaf de inbrengplaats in het lichaam tot aan de plaats waar het betreffende monster genomen wordt. Bij het terugtrekken van de naald blijft de huls uit biologisch afbreekbaar materiaal in het lichaam achter. Daardoor wordt enerzijds de bloedstelpende werking zoals bekend uit het Amerikaanse octrooischrift 4.838.280 verkregen maar wordt anderzijds besmetting door verplaatsing van de buitenzijde van het biopsienaaldsamenstel in het inwendige van het lichaam voorkomen.The invention is based on the insight that the outer part of the biopsy needle assembly should extend completely from the insertion point in the body to the place where the sample in question is taken. When the needle is withdrawn, the sleeve of biodegradable material remains in the body. Thereby, on the one hand, the styptic effect as known from US patent 4,838,280 is obtained, but on the other hand contamination by displacement of the outside of the biopsy needle assembly in the interior of the body is prevented.
Om te voorkomen dat door de direct na het terugtrekken van de biop-sienaald nog open staande huls fluïda kunnen stromen, welk gevaar eveneens bestaat bij de inrichting volgens het Amerikaans octrooischrift 438280, wordt volgens de uitvinding voorgesteld dat deze biologisch afbreekbare huls een zodanige sterkte heeft, dat bij het terugtrekken van de naald uit het lichaam deze dadelijk ineenklapt.In order to prevent fluids from flowing through the sleeve which is still open immediately after the biopsy needle has been withdrawn, which danger also exists with the device according to US patent 438280, it is proposed according to the invention that this biodegradable sleeve has such a strength that when the needle is withdrawn from the body it immediately collapses.
Om in staat te zijn zonder het herhaald inbrengen van het biopsiesa-menstel een tweede monster te kunnen nemen, bijvoorbeeld omdat het eerste monster hetzij niet goed genomen is hetzij om andere reden niet volledig is, wordt volgens de uitvinding voorgesteld een bus aan te brengen tussen de naald en de huls. Deze bus wordt samen met de naald uit de huls bewogen bij het definitief verlaten van het lichaam. Echter indien deze bus aanwezig blijft bij het terugtrekken van de naald is het mogelijk een verdere naald in te brengen of de naald herhaald in te brengen.In order to be able to take a second sample without repeated insertion of the biopsy assembly, for example because the first sample has either not been taken correctly or is incomplete for other reasons, it is proposed according to the invention to provide a can between the needle and the sleeve. This canister is moved out of the sleeve together with the needle when it leaves the body permanently. However, if this sleeve remains when the needle is withdrawn, it is possible to insert a further needle or to insert the needle repeatedly.
Bij een dergelijke uitvoering is het van belang dat de bus niet voorbij de huls beweegt. Daartoe zijn de uiteinden van de huls en de bus van samenwerkende aanslagmiddelen voorzien zoals een ringvormige versterkte vernauwing aan het einde van de huls. Aan de bus hoeft geen aanslagmiddel te zitten; alleen aan het uiteinde van de huls. Deze versterkte ring kan op beeldvormende technieken (Röntgen, Ultra-sound en MRI) tijdens het biopteren duidelijk aangeven waar zich het uiteinde van de naald bevindt. Groot voordeel voor de biopteur om de naald op de juiste, voorgenomen plaats te situeren. Bij de uitvoering zonder bus moet de huls zodanige eigenschappen hebben dat snijden door het lichaam mogelijk is.In such an embodiment it is important that the sleeve does not move past the sleeve. To this end, the ends of the sleeve and the sleeve are provided with co-acting abutment means, such as an annular reinforced constriction at the end of the sleeve. There is no means of attachment to the bus; only at the end of the sleeve. This reinforced ring can clearly indicate where the end of the needle is located on imaging techniques (X-ray, Ultra-sound and MRI) during biopsy. Great advantage for the biopsy to place the needle in the right, intended place. In the case without a sleeve, the sleeve must have such properties that cutting through the body is possible.
Bij voorkeur omvat het materiaal van de huls materiaal op gelatine-basis.Preferably, the sleeve material comprises gelatin-based material.
De uitvinding zal hieronder nader aan de hand van in de tekening afgeheelde uitvoeringsvoorbeelden verduidelijkt worden. Daarbij tonen:The invention will be explained in more detail below with reference to illustrative embodiments shown in the drawing. Show:
Fig. 1 en 2 een eerste uitvoering van het biopsienaaldsamenstel volgens de uitvinding; enFig. 1 and 2 a first embodiment of the biopsy needle assembly according to the invention; and
Fig. 3 een tweede uitvoering van het biopsienaaldsamenstel volgens de uitvinding.Fig. 3 is a second embodiment of the biopsy needle assembly according to the invention.
De eerste uitvoering van het biopsienaaldsamenstel volgens de uitvinding is in fig. 1 en 2 met 1 aangegeven. Deze bestaat uit een huls 2 waarbinnen een naald 3 aangebracht is waarbij tussen naald 3 en huls 2 een bus 6 aangebracht is. Deze bus 6 is bij het van het lichaam afgekeer-de einde voorzien van een aanslag 4. Huls 2 strekt zich uit vanaf deze aanslag 4 tot nabij het vrije uiteinde 5 van de bus 6. Op die plaats is huls 2 van een ringvormige mogelijk versterkte insnoering 7 voorzien. Naald 3 is voorzien van een handgreep 8 waarmee deze door het aangrijpen van aanslag 4 in en uit zowel huls 2 als bus 6 bewogen kan worden. Huls 2 bestaat uit een verhoudingsgewijs slap biologisch afbreekbaar materiaal zoals een materiaal op gelatinebasis.The first embodiment of the biopsy needle assembly according to the invention is indicated by 1 in Figures 1 and 2. This consists of a sleeve 2 within which a needle 3 is arranged, a sleeve 6 being arranged between needle 3 and sleeve 2. This sleeve 6 is provided with a stop 4 at the end remote from the body. Sleeve 2 extends from this stop 4 to near the free end 5 of the sleeve 6. At that place sleeve 2 of an annular possibly reinforced necking 7 provided. Needle 3 is provided with a handle 8 with which it can be moved in and out of both sleeve 2 and sleeve 6 by engaging stop 4. Sleeve 2 consists of a relatively weak biodegradable material such as a gelatin-based material.
De hierboven beschreven inrichting werkt als volgt. Na het in het lichaam inbrengen in het schematisch aangegeven orgaan 9 tot op de plaats waar zich mogelijk een tumor 13 bevindt, wordt met het vrije uiteinde van de naald 3 een monster genomen. Vervolgens kan uitsluitend de naald 3 door middel van bediening van handgreep 8 teruggetrokken worden waarbij huls 2 en bus 6 op hun plaats blijven. Dit is met name van belang indien gecontroleerd moet worden of het genomen monster voldoet aan de eisen of indien later nog een monster op een dieper gelegen plaats genomen moet worden. Het is eveneens mogelijk door de bus middelen in te brengen voor chemotherapeutische behandeling, straling of endoscopie. Indien het monster nemen of andere handeling voltooid is, wordt de naald 3 samen met de bus 6 terugbewogen zoals uit fig. 2 blijkt. Daarbij blijft de huls 2 in de oorspronkelijk ingebrachte positie. Doordat deze uit een verhoudingsgewijs slap materiaal bestaat zal deze afgezien van het versterkte vooruiteinde bij ring 7 dadelijk inklappen waardoor stroming van lichaams-fluïda door het inwendige van huls 2 voorkomen wordt. De sterktering 7 zal na verloop van tijd inklappen, maar belemmert in eerste instantie het terugbewegen van de huls met bus 6. Door het op deze wijze terugtrekken van naald 3 en bus 6 wordt elk contact van de mogelijk besmette naald of het uiteinde van bus 6 met overige lichaamsdelen voorkomen. Na het volledig uittrekken van naald 3 en bus 6 kan het nog uit het lichaam stekende deel van huls 2 eenvoudig afgeknipt worden. Vervolgens wordt het hulsvormige materiaal in het lichaam geabsorbeerd en heeft tot die tijd eveneens een bloedstelpende functie in het bijzonder voor de organen waardoor gepuncteerd wordt. Door de aanwezigheid van een vreemd deel in het lichaam zoals de huls uit biologisch afbreekbaar materiaal zullen bepaalde cellen die een dergelijk materiaal kunnen afbreken zich nabij de huls concentreren. Deze ruimen waarschijnlijk eveneens de in het inwendige van de huls mogelijk nog aanwezige schadelijke cellen op. Door spoelen van het kanaal met celdodende middelen kunnen de schadelijke cellen bovendien geëlimineerd worden.The device described above operates as follows. After insertion into the body in the schematically indicated member 9 up to where a tumor 13 may be located, a sample is taken with the free end of the needle 3. Subsequently, only the needle 3 can be withdrawn by operating handle 8, while sleeve 2 and sleeve 6 remain in place. This is particularly important if it is necessary to check whether the sample taken meets the requirements or if a sample must be taken later at a deeper location. It is also possible to introduce means for chemotherapeutic treatment, radiation or endoscopy through the can. When the sampling or other operation is completed, the needle 3 is moved back together with the sleeve 6 as shown in Fig. 2. The sleeve 2 remains in the originally inserted position. Because it consists of a relatively weak material, it will collapse immediately apart from the reinforced front end at ring 7, preventing flow of body fluids through the interior of sleeve 2. The reinforcement 7 will collapse over time, but initially hinders retraction of the sleeve with sleeve 6. By withdrawing needle 3 and sleeve 6 in this manner, any contact of the possibly contaminated needle or the end of sleeve 6 with other body parts. After the needle 3 and the sleeve 6 have been completely pulled out, the part of the sleeve 2 still protruding from the body can be easily cut off. Subsequently, the sleeve-like material is absorbed into the body and until that time also has a styptic function, in particular for the organs through which puncture is performed. Due to the presence of a foreign part in the body, such as the sleeve of biodegradable material, certain cells that can break down such material will concentrate near the sleeve. These are also likely to remove harmful cells that may still be present in the interior of the sleeve. In addition, by flushing the channel with cell killers, the harmful cells can be eliminated.
In fig. 3 is een variant van de inrichting volgens de uitvinding afgebeeld. Deze is met name van belang indien het niet waarschijnlijk geacht wordt dat een tweede monster genomen moet worden. Dit biopsie-naaldsamenstel is in het geheel met 10 aangegeven. Daarbij is de huls met 12 aangegeven en deze grenst in tegenstelling tot de hierboven beschreven uitvoering direct aan de naald. Immers gebruik van een bus zoals hierboven beschreven is niet langer noodzakelijk. Bij deze uitvoering is huls 12 rechtstreeks verbonden met een aanslag 11.Fig. 3 shows a variant of the device according to the invention. This is particularly important if it is considered unlikely that a second sample should be taken. This biopsy needle assembly is denoted overall by 10. The sleeve is indicated by 12 and, in contrast to the embodiment described above, it is directly adjacent to the needle. After all, the use of a bus as described above is no longer necessary. In this embodiment, sleeve 12 is directly connected to a stop 11.
De hierboven beschreven inrichting is bijzonder geschikt voor het uitvoeren van puncties van organen zoals de lever, de nier en pancreas. Voor degenen bekwaam in de stand der techniek zal het duidelijk zijn dat vele variaties mogelijk zijn van de hierboven beschreven onderdelen. Zo is het mogelijk de huls uitwendig van weerhaakmiddelen te voorzien zodat het in teruggaande zin meebewegen daarvan voorkomen wordt bij het terugtrekken van hetzij de naald hetzij de bus. Deze werking komt naast het effekt van de versterkte ring 7 die na gebruik minder snel zal inklappen en zo een weerhaak vormt. Bovendien is het mogelijk de huls aan de binnenzijde van een desinfecterende bekleding te voorzien om eventueel aan de binnenzijde van de huls uitgestreken cellen onschadelijk te maken. Als voorbeeld kan daarbij aan betajodine gedacht worden. Het is vanzelfsprekend dat alle andere in de stand der techniek bekende middelen toegepast kunnen worden, zoals het aan de buitenzijde bekleden met thrombine hetgeen een extra bloedstelpend effekt geeft.The device described above is particularly suitable for performing punctures of organs such as the liver, kidney and pancreas. Those skilled in the art will appreciate that many variations of the above described components are possible. For instance, it is possible to provide the sleeve with barbed means on the outside, so that its retraction is prevented when withdrawing either the needle or the sleeve. This action is in addition to the effect of the reinforced ring 7, which will collapse less quickly after use and thus form a barb. In addition, it is possible to provide the sleeve with a disinfecting coating on the inside in order to render cells possibly spread out on the inside of the sleeve harmless. As an example, betajodine can be considered. It goes without saying that all other means known in the art can be used, such as coating the outside with thrombin, which gives an extra astringent effect.
Deze en andere uitvoeringsvarianten vallen binnen het bereik van de onderhavige aanvrage zoals in bijgaande conclusies beschreven.These and other embodiments fall within the scope of the present application as described in the appended claims.
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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NL9302140A NL194533C (en) | 1993-12-08 | 1993-12-08 | Biopsy needle assembly. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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NL9302140A NL194533C (en) | 1993-12-08 | 1993-12-08 | Biopsy needle assembly. |
NL9302140 | 1993-12-08 |
Publications (3)
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NL9302140A true NL9302140A (en) | 1995-07-03 |
NL194533B NL194533B (en) | 2002-03-01 |
NL194533C NL194533C (en) | 2002-07-02 |
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NL9302140A NL194533C (en) | 1993-12-08 | 1993-12-08 | Biopsy needle assembly. |
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NL (1) | NL194533C (en) |
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US8323312B2 (en) | 2008-12-22 | 2012-12-04 | Abbott Laboratories | Closure device |
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US8556930B2 (en) | 2006-06-28 | 2013-10-15 | Abbott Laboratories | Vessel closure device |
US8590760B2 (en) | 2004-05-25 | 2013-11-26 | Abbott Vascular Inc. | Surgical stapler |
US8603116B2 (en) | 2010-08-04 | 2013-12-10 | Abbott Cardiovascular Systems, Inc. | Closure device with long tines |
US8617184B2 (en) | 2011-02-15 | 2013-12-31 | Abbott Cardiovascular Systems, Inc. | Vessel closure system |
US8672953B2 (en) | 2007-12-17 | 2014-03-18 | Abbott Laboratories | Tissue closure system and methods of use |
US8690910B2 (en) | 2000-12-07 | 2014-04-08 | Integrated Vascular Systems, Inc. | Closure device and methods for making and using them |
US8758400B2 (en) | 2000-01-05 | 2014-06-24 | Integrated Vascular Systems, Inc. | Closure system and methods of use |
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