WO2023275227A1 - Implantierbarer marker - Google Patents
Implantierbarer marker Download PDFInfo
- Publication number
- WO2023275227A1 WO2023275227A1 PCT/EP2022/068034 EP2022068034W WO2023275227A1 WO 2023275227 A1 WO2023275227 A1 WO 2023275227A1 EP 2022068034 W EP2022068034 W EP 2022068034W WO 2023275227 A1 WO2023275227 A1 WO 2023275227A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- strand
- eyes
- eye
- winding
- implantable marker
- Prior art date
Links
- 239000003550 marker Substances 0.000 title claims abstract description 83
- 238000004804 winding Methods 0.000 claims abstract description 73
- 239000000560 biocompatible material Substances 0.000 claims abstract description 10
- 241001465754 Metazoa Species 0.000 claims abstract description 8
- 238000007493 shaping process Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 8
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 5
- 239000012781 shape memory material Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 claims description 3
- 241001631457 Cannula Species 0.000 claims description 2
- 229910002535 CuZn Inorganic materials 0.000 claims description 2
- 206010010219 Compulsions Diseases 0.000 claims 1
- 210000001519 tissue Anatomy 0.000 description 20
- 238000002604 ultrasonography Methods 0.000 description 15
- 238000001514 detection method Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000009607 mammography Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 238000007632 sclerotherapy Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000000527 sonication Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3925—Markers, e.g. radio-opaque or breast lesions markers ultrasonic
Definitions
- the invention relates to an implantable marker for marking an animal or human intracorporeal tissue area, which has at least one strand made of biocompatible material, which has a three-dimensional shape imprinted by means of a shaping process imposed three-dimensional shape after the mechanical constraint has ceased, the three-dimensional shape impressed on the strand having at least two fixed strand eyes, a first and a second strand eye, which are each formed by at least one winding of the strand and their spatial relative position to one another after the elimination of the mechanical constraint are different.
- Generic implantable markers are used to identify tumors in human or animal soft tissue. For example, after a breast biopsy, a marker is often introduced by means of a cannula to the site of tissue removal and, after the desired position has been reached, is ejected from the cannula on the distal side by means of a stylet. The marker placed intracorporeally remains stationary and offers a physician the possibility of locating a tissue area to be treated and/or diagnosed with the aid of an imaging method, preferably using ultrasound recordings, and observing it over the long term.
- US Pat. No. 6,053,925 discloses a tissue marker for human tissue which has two wires made of shape-memory metal twisted together, the distal end regions of which serve as an anchoring structure take on a ring or coil shape within the tissue. After intracorporeal sclerotherapy of the marker, the twisted wires protrude from the proximal part of the body and in this way define a direct trajectory to the marked tissue site.
- a marker can be found in publication US 2005/0059888 A1, which marks the location of a biological absorber body placed intracorporeally.
- the marker consists of a material that can be detected by means of mammography, radiology and ultrasound examination, for example a wire, which is attached to the absorber body.
- the publication US 2001/0023322 A1 discloses a cannula-like positioning unit for a marker that can be introduced intracorporeally.
- the marker consists of a shape-memory metal wire which, after being positioned intracorporeally, deforms like a ring or coil, at least at the tip of the wire, for the purpose of fixed positioning in a tissue region to be marked.
- the document EP 1 871 266 B1 discloses a generic marker for human or animal tissue, which is made of a pre-programmable material, preferably a nickel-titanium alloy, in the shape of a ring, which, after a longitudinal extension imposed on it, changes to the pre-programmed after release Ring shape regresses.
- All known, generic markers in particular the ring markers explained above, are able to reflect ultrasonic waves due to their material properties and thus represent ultrasonic reflectors, but the known markers are characterized depending on the direction of sound irradiation, along which the ultrasonic waves interact with the marker ultrasonic images that can be generated are visually perceptible to varying degrees. For example, if ultrasonic waves from a mostly 2-dimensional, fan-shaped propagating ultrasonic wave field meet a ring marker, the ring plane of which is oriented orthogonally to the fan plane of the propagating ultrasonic waves, a maximum of two point-like ultrasonic reflection image signals appear, which correspond to the intersection points of the fan plane with the ring marker.
- An implantable marker can be found in the document DE 102019210963 A1, which provides at least two fixed strand eyes along a strand made of biocompatible material, which are each connected to one another in one piece via a strand section.
- the invention is based on the object of providing an implantable marker for marking an animal or human intracorporeal tissue region, which has at least one strand made of biocompatible material, which has a three-dimensional shape impressed by means of a shaping process, which the strand has according to an external mechanical constraint imposed three-dimensional shape after the mechanical constraint ceases to be developed in such a way that the visibility and identification of the implanted marker for a doctor should be significantly improved during an ultrasound examination.
- an implantable marker for marking an animal or human intracorporeal tissue area which has at least one strand made of biocompatible material, which has a three-dimensional shape embossed by means of a shaping process, which the strand has according to a three-dimensional shape imposed on it by external mechanical constraints after the mechanical constraint has ceased, the three-dimensional shape imprinted on the strand comprising at least two fixed strand eyes, a first and a second strand eye, which are each formed by at least one winding of the strand and to which a winding plane can be assigned, thereby that the at least two strand eyes are designed comparable to the shape of a figure eight, which are connected to one another via a common contact point at which the winding planes of the at least two strand eyes are oriented inclined to one another by the angle a , and that the winding planes of the at least two strand eyes enclose an angle a that is not equal to 0° to one another.
- fixed strand eye is borrowed from knots and represents a simple geometric shape that is characterized by the formation of a loop along the strand.
- the strand is helically wound at least once and has a helical pitch in which the strand preferably touches in the overlapping region of the winding.
- a fixed eye does not appear as a straight line with constant line thickness when irradiated with ultrasonic waves from the side, but rather in the shape of a wedge or double wedge, the maximum wedge width of which corresponds to twice the strand width in a simple helical winding.
- An ultrasonic signal is correspondingly clearer when a stationary strand eye composed of several helical windings is irradiated with sound from the side.
- fixed strand eye should be understood to mean a loop formed in a winding plane, in whose winding plane one strand end lies.
- winding plane is to be understood as meaning that spatial plane within the meaning of the invention that can be assigned to a fixed eye and contains the area that is encompassed by the fixed eye in a perpendicular projection onto the fixed eye.
- the implantable marker according to the solution has at least two fixed strand eyes, which are formed along the strand by a helical winding of the strand in each case.
- the at least two fixed strand eyes have the same shapes and dimensions.
- non-circular eye shapes such as oval or elliptical fixed eyes, are also conceivable.
- the shapes and dimensions of the strand eyes arranged along the strand can also differ from one another.
- the spatial position and assignment of the fixed strand eyes and the orientation of their winding direction can be selected uniformly or individually.
- the idea behind the marker designed according to the solution is to improve its detectability and identifiability by means of common ultrasonic wave diagnostic technology in such a way that the at least two fixed eyes are inclined or aligned relative to one another in such a way that in the case of orthogonal sonication of the marker relative to the winding plane fixed strand eye, the other fixed strand eye preferably interacts with the ultrasonic waves along its winding plane in order to appear at least partially, preferably as a complete ring or loop contour on the ultrasonic image by way of the ultrasonic wave detection.
- the ultrasonic wave reflection signals originating from the marker which are made visible on a monitor for a diagnostician, should originate from a small spatial area, i.e. elongated marker shapes in which reflection structures are arranged next to one another in a serial sequence have proven to be rather difficult to detect.
- the compact spatial arrangement of the at least two strand eyes is for the person performing the ultrasound examination
- the detectability of the marker is particularly obvious due to the dynamic visibility resulting from the ultrasonic field
- a spatially compact arrangement of the at least two strand eyes along the rod is given when the strand has a strand length and two strand ends such that one of the two strand ends is arranged in the winding plane of the first strand eye and together with one Half of the strand length forms the first strand eye and the other of the two strand ends is arranged in the winding plane of the second strand eye and together with the other half of the strand length forms the second strand eye.
- both ends of the strand preferably adjoin laterally and opposite to the strand in the area of the center of the strand length.
- the winding planes of both strand eyes are oriented orthogonally to one another.
- This constellation can be realized by orienting both strand eyes from a common plane at 90° to each other at the point of contact. In this constellation, both strand eyes are arranged without overlapping.
- suitable angles deviating from 90° are also conceivable, in principle between 0° and 180°, the limiting angles excluded in each case, although the orthogonality of the at least two angular planes to one another or deviating from this by an angle of ⁇ 30°, particularly suitable three-dimensional shapes for forming the implantable according to the solution display markers.
- both strand eyes have an angle a with 60° ⁇ a ⁇ 120°.
- both strand eyes overlap in relation to the orthogonal projection onto their respective winding planes.
- the at least two strand eyes are designed and arranged such that in orthogonal projection onto one of the two strand eyes, the respective other strand eye is arranged centrally to one strand eye.
- An alternative configuration of the implantable marker according to the solution has at least two strand eyes, which are connected to one another via a curved strand section, to which an arc plane is assigned, which encloses an angle ß with the winding planes of the at least two strand eyes, which is not equal to 0° and the winding planes of the at least two strand eyes enclose an angle a which is not equal to 0°.
- the arcuate strand section is preferably designed in the shape of a semicircle.
- the at least two strand eyes are preferably formed uniformly and with the same dimensions. In this case, the arcuate strand portion is formed uniformly and co-dimensionally with one half of one of the strand eyes.
- the marker which is preferably made of biocompatible, metallic shape-memory material over its entire strand length, is introduced into a hollow cannula while exerting mechanical force, by which the marker is converted from its three-dimensional shape imprinted in the shape-memory material into a largely rectilinear strand shape.
- the cannula provided for the implantation process typically has a cannula diameter that is slightly larger than the strand diameter, so that the substantially rectilinear strand can be deployed along the hollow cannula with the aid of a stylet on the distal side of the hollow cannula.
- the marker has a three-dimensional shape that is as compact as possible, i.e. the two strand ends bordering the strand on both sides are each in one of the strand eyes assigned winding level and form in the case of two fixed strand eyes together with half the strand length in each case a fixed strand eye.
- the strand ends are arranged within the winding planes of the fixed strand eyes formed at the ends of the strand.
- the at least two fixed strand eyes are directly adjacent to one another along the strand, or merge directly into one another, i.e. the implantable marker has exclusively curved, fixed strand eyes in a force-free state strand sections.
- two rod eyes are integrally connected to each other via an arcuate strand portion, the arcuate strand portion having approximately the dimension and half the shape of both rod eyes.
- the strand surface is modified or treated in such a way that it has a surface structure that reflects ultrasound waves at least in some areas, for example by means of material roughening.
- at least the central wire or the at least one individual wire is made from a metallic shape-memory material, preferably from NiTi (Nitinol), NiTiCu, CuZn, CuZnAl or CuAlNi.
- the strand preferably has a cross section of 0.1 to 0.8 mm.
- wire cross-sections in the range from 0.1 mm to 0.5 mm are suitable.
- the preferably ring-shaped strand eyes typically have an inner ring diameter of 2 to 3 mm and an outer ring diameter of 3 to 5 mm.
- Cannulas with cannula sizes between 14 G and 18 G are particularly suitable for implanting the marker according to the solution.
- FIG. 6 a, b side views of a fifth embodiment
- FIG. 7a, b side views of a sixth embodiment
- Fig. 1 shows a schematic representation of a marker 2 implanted within a tissue region 1, which assumes the three-dimensional shape imprinted on it after the elimination of external mechanical constraints and has at least two strand eyes 21, 22, each of which can be assigned a winding plane 3, 4, which together form an angle a F 0, preferably 90°.
- a ring-shaped reflection pattern is formed on an ultrasonic image of marker 2 shown schematically in FIG.
- the strand eye 21 is shown as a ring on a corresponding ultrasonic image.
- the strand eye 22 is shown in the form of a ring on an ultrasonic image corresponding thereto.
- a non-natural tissue area appears on an ultrasound image Euclidean geometric form, through which a person conducting the examination is made aware of the existence of the intercorporeally desolate marker 2.
- the marker 2 In the implanted state, i.e. in a state in which the marker 2 assumes its three-dimensional shape inherently imprinted in the material, the marker 2 made of a single strand-like material forms a largely self-contained three-dimensional shape, i.e. the strand ends of the strand forming the marker 2 are located preferably in each case along a winding plane 3, 4. Concrete spatial forms according to the solution for forming the implantable marker 2 can be seen in the further figures.
- FIGS. 2a, b show a marker 2 from two different views, which is made from a strand 7 and includes two strand eyes 21, 22.
- the two strand ends 8, 9 of the strand 7 are located in the area of the middle 10 of the strand, opposite each other to the strand 7, with the strand end 8 being arranged within the winding plane 3 that can be assigned to the strand eye 21, which corresponds to the representation in Fig. 2a of the plane of the drawing. and the strand end 9 is arranged within the winding plane 4 which can be assigned to the strand eye 22 and which, according to FIG. 2a, is oriented orthogonally to the plane of the drawing.
- the winding planes 3, 4 of the strand eyes 21, 22 enclose an angle a, see FIG. 2b, which is 90°.
- the strand 7 of the marker 2 preferably has a central wire around which a single wire is helically wound. Of course, two or more wires can also be wound around the central wire.
- FIGS. 3a, b each show from different directions a marker 2 made from a strand 7 and designed according to the solution, the strand 7 forming two fixed strand eyes 21, 22.
- the winding plane 3 that can be assigned to the first strand eye 21 corresponds to the plane of the drawing or drawing.
- the winding plane 4 of the second strand eye 22 extends orthogonal to the winding plane 3, the second strand eye 22 being arranged in the center of the projection onto the first strand eye 21.
- ultrasonic waves that interact with the marker 2 parallel to the winding plane of one of the two strand eyes 21, 22 are able to image the strand eye oriented in the transmission direction in its complete eye shape on the ultrasound image.
- the strand eyes 21, 22 are preferably each ring-shaped or loop-shaped.
- FIGS. 4a, b a marker 2 is shown in side views rotated from 90° to one another.
- the strand 7 has a first fixed strand eye 21 with a winding plane 3, which is oriented orthogonally to the plane of the drawing.
- the strand end 8 that can be seen in FIG. 4 b is arranged within the winding plane 3 .
- the second strand eye 22 extends in a three-dimensional, slightly helical winding manner above the first strand eye 21 and forms the second strand eye 22 when viewed in the side view illustrated in FIG. 4b.
- the winding plane 4 that can be assigned to the second strand eye 22 is oriented orthogonally to the sheet or drawing plane in FIG. 4a or corresponds to the sheet or drawing plane in FIG. 4b.
- FIG. 5 illustrates an embodiment of a marker 2 designed according to the solution with the formation of three strand eyes 21, 22, 23, whose associated winding planes 3, 4, 11 each enclose an angle ⁇ of 120°.
- the strand end 8 is within the first winding plane 3 and the strand end 9 is within the winding plane 11.
- the marker 2 illustrated in Fig. 5 enables a ring-shaped or loop-shaped image on an ultrasound image in each case with an insonification along the winding planes 3, 4, 11, whereby the spatial detectability as well as the identifiability of the marker 2 is improved over the markers referred to above, each with two strand eyes.
- the strand 7 of the marker 2 includes three strand eyes 21, 22, 23, to which the winding planes 3, 4, 11 are assigned.
- the winding plane 11 associated with the third strand eye 23 is tilted or oriented orthogonally to the second winding plane 4 .
- the marker 2 designed according to the solution is able to generate annular or loop-shaped ultrasonic reflection images on an ultrasonic image, in each case in the case of insonification along the three winding planes 3, 4 and 11.
- FIGS. 7a and b each show a marker 2 in side views rotated from 90° to one another, comparable to the exemplary embodiment illustrated in FIGS. 4a and b.
- the first fixed strand eye 21 has a winding plane 3 which is oriented orthogonally to the plane of the drawing.
- the strand end 8 of the first strand eye 21 that can be seen in Fig. 7b is arranged within the winding plane 3 and is directly adjacent to a bending point 12, at which the first strand eye 21 transitions into a curved strand section 13 in one piece, which is semicircular in shape and an arc plane 14 spans.
- the arc plane 14 encloses an angle ⁇ with the winding plane 3 of the first strand eye 21, which is preferably 60°.
- the upper end of the arcuate strand section 13 is connected at the bending point 15 in one piece to the second strand eye 22, whose associated winding plane 4 encloses an angle ⁇ ' with the arc plane 14, which preferably corresponds to the angle ⁇ .
- the end of the strand 16 of the second strand eye 22 is located in the winding plane 4 and is directly adjacent to the second bending point 15 .
- the first and second strand eyes 21, 22 are preferably of the same size and dimensioned approximately the same.
- the arcuate section 13 corresponds to a mold half of one of the two strand eyes 21, 22.
- the marker 2 thus comprises a three-dimensional body which can be characterized by an equilateral triangle and which is able to produce a very concise reflection pattern in the ultrasonic echo image, the dynamic visibility of which is visible when swiveling over appears three-dimensionally on a monitor with a fan-shaped ultrasonic field.
- the first and second strand eye 21, 22 do not necessarily have to be designed with the same dimensions, rather the arcuate section 13 should be adapted in shape and size to the second strand eye 22 shown in the illustration for Figure 7 a, b, in order to create such a to be able to form a self-contained three-dimensional triangular structure.
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020237045249A KR20240027625A (ko) | 2021-06-30 | 2022-06-30 | 이식 가능한 마커 |
EP22741475.2A EP4362845A1 (de) | 2021-06-30 | 2022-06-30 | Implantierbarer marker |
CN202280046293.XA CN117580539A (zh) | 2021-06-30 | 2022-06-30 | 可植入的标记 |
CA3225433A CA3225433A1 (en) | 2021-06-30 | 2022-06-30 | Implantable marker |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102021116873.2A DE102021116873A1 (de) | 2021-06-30 | 2021-06-30 | Implantierbarer Marker |
DE102021116873.2 | 2021-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023275227A1 true WO2023275227A1 (de) | 2023-01-05 |
Family
ID=82547387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2022/068034 WO2023275227A1 (de) | 2021-06-30 | 2022-06-30 | Implantierbarer marker |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP4362845A1 (de) |
KR (1) | KR20240027625A (de) |
CN (1) | CN117580539A (de) |
CA (1) | CA3225433A1 (de) |
DE (1) | DE102021116873A1 (de) |
WO (1) | WO2023275227A1 (de) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999043268A1 (en) * | 1998-02-27 | 1999-09-02 | The University Of Iowa Research Foundation | Lesion localization device and method |
US20010023322A1 (en) | 1998-09-25 | 2001-09-20 | Felix Espositio | Site marker device |
US20050059888A1 (en) | 1998-12-24 | 2005-03-17 | Sirimanne D. Laksen | Biopsy cavity marking device and method |
DE102010048736A1 (de) * | 2010-10-16 | 2012-04-19 | Bip Biomedizinische Instrumente Und Produkte Gmbh | Marker |
EP1871266B1 (de) | 2005-03-18 | 2015-03-04 | BKH Technotransfer Gmbh | Marker für menschliches und tierisches gewebe insbesondere weichteilgewebe |
WO2017193375A1 (en) * | 2016-05-13 | 2017-11-16 | Covidien Lp | Aneurysm treatment coils |
WO2020073902A1 (zh) * | 2018-10-09 | 2020-04-16 | 微创神通医疗科技(上海)有限公司 | 栓塞装置及其弹簧圈 |
DE102019210963A1 (de) | 2019-07-24 | 2021-01-28 | Bip Biomed.-Instrumente & Produkte Gmbh | Implantierbarer Marker |
-
2021
- 2021-06-30 DE DE102021116873.2A patent/DE102021116873A1/de active Pending
-
2022
- 2022-06-30 CN CN202280046293.XA patent/CN117580539A/zh active Pending
- 2022-06-30 EP EP22741475.2A patent/EP4362845A1/de active Pending
- 2022-06-30 WO PCT/EP2022/068034 patent/WO2023275227A1/de active Application Filing
- 2022-06-30 CA CA3225433A patent/CA3225433A1/en active Pending
- 2022-06-30 KR KR1020237045249A patent/KR20240027625A/ko unknown
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999043268A1 (en) * | 1998-02-27 | 1999-09-02 | The University Of Iowa Research Foundation | Lesion localization device and method |
US6053925A (en) | 1998-02-27 | 2000-04-25 | Barnhart; William H. | Lesion localization device and method |
US20010023322A1 (en) | 1998-09-25 | 2001-09-20 | Felix Espositio | Site marker device |
US20050059888A1 (en) | 1998-12-24 | 2005-03-17 | Sirimanne D. Laksen | Biopsy cavity marking device and method |
EP1871266B1 (de) | 2005-03-18 | 2015-03-04 | BKH Technotransfer Gmbh | Marker für menschliches und tierisches gewebe insbesondere weichteilgewebe |
DE102010048736A1 (de) * | 2010-10-16 | 2012-04-19 | Bip Biomedizinische Instrumente Und Produkte Gmbh | Marker |
WO2017193375A1 (en) * | 2016-05-13 | 2017-11-16 | Covidien Lp | Aneurysm treatment coils |
WO2020073902A1 (zh) * | 2018-10-09 | 2020-04-16 | 微创神通医疗科技(上海)有限公司 | 栓塞装置及其弹簧圈 |
DE102019210963A1 (de) | 2019-07-24 | 2021-01-28 | Bip Biomed.-Instrumente & Produkte Gmbh | Implantierbarer Marker |
Also Published As
Publication number | Publication date |
---|---|
DE102021116873A1 (de) | 2023-01-05 |
CA3225433A1 (en) | 2023-01-05 |
CN117580539A (zh) | 2024-02-20 |
KR20240027625A (ko) | 2024-03-04 |
EP4362845A1 (de) | 2024-05-08 |
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