WO2005002651A1 - 生体組織への細胞注入方法および装置 - Google Patents
生体組織への細胞注入方法および装置 Download PDFInfo
- Publication number
- WO2005002651A1 WO2005002651A1 PCT/JP2004/009436 JP2004009436W WO2005002651A1 WO 2005002651 A1 WO2005002651 A1 WO 2005002651A1 JP 2004009436 W JP2004009436 W JP 2004009436W WO 2005002651 A1 WO2005002651 A1 WO 2005002651A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tissue
- vibration
- injection
- needle
- cells
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M35/00—Means for application of stress for stimulating the growth of microorganisms or the generation of fermentation or metabolic products; Means for electroporation or cell fusion
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/08—Bioreactors or fermenters specially adapted for specific uses for producing artificial tissue or for ex-vivo cultivation of tissue
Definitions
- the present invention relates mainly to the field of regenerative medicine, ie, a medical technique for transplanting in place of a patient's own organ or tissue that does not function normally and restoring normal function, and more specifically, into a living body-derived tissue for transplantation. Methods and devices for injecting cells.
- Tissues for transplantation have been prepared by removing cell components from human donors or animals, or by removing the cellular components from collected biological tissues, or by chemical treatment such as, for example, dartartaldehyde fixation, and widely used in clinical applications. I have. In that case, it is advantageous to inject the patient's autologous cells into the transplant explant, grow the cells in the explant, and implant it as a hybrid regenerated tissue. This is because not only can the patient avoid immune rejection of the transplanted tissue, but also promote self-organization of the transplanted tissue by the patient.
- a transplantation tissue (piece) for producing a hybrid regenerated tissue is, for example, pulsating.
- the needle In order to target the heart wall of a living animal or the wall of a blood vessel having a small wall thickness, even when using an injection device in which the needle vibrates slightly, the needle is accurately injected into a predetermined depth in the tissue by the vertical amplitude of the tissue surface. If the needle cannot penetrate or the tissue (piece) is too thin, and the needle slightly penetrates the tissue (piece) even if it is slightly deformed by the needle at the time of injection! was there. Disclosure of the invention
- the method and apparatus for injecting cells of the present invention employs a tissue adsorbing means for adsorbing at least a part of a tissue surface having high elasticity, and then adsorbing the adsorbed tissue surface
- the method is characterized in that cells are pierced from a needle given micro-vibration and cells are injected into a desired site in the tissue.
- the method and apparatus for injecting cells according to the present invention enable precise injection of a solution containing cells by combining precision injection means.
- the feature is that.
- the method and apparatus for injecting cells of the present invention can be injected in combination with three-dimensional precision positioning means. It is characterized by the following.
- cells can be injected into the tissue in the same manner as described above.
- FIG. 1 is a perspective view of the entire automatic injection device of the present invention.
- FIG. 2 is a cross-sectional view taken along line XX in FIG. 1.
- FIG. 1 shows the entire configuration of the automatic injection device 1 of the present invention.
- Automatic injection device 1 It is composed of a micro-vibration precision injection device 2 provided with a vibrating needle 200 capable of making small vibrations, and a three-dimensional precision positioning device 3 in which the micro-vibration precision injection device 2 is supported on a frame 11.
- the micro-vibration precision injection device 2 adsorbs the surface of the sample (piece) 5 to vibrate the micro-vibration by the vibrator 202, and to surround the vibrating needle 200 and accurately penetrate the needle. And a sample piece adsorption housing 210 for the details, which will be described later with reference to FIG.
- the three-dimensional precision positioning device 3 supports the micro-vibration precision injection device 2 on a frame 11, accurately positions the injection device 2 in an XY horizontal plane, and places the vibrating needle 200 in a container 4 It can be moved up and down precisely to penetrate a predetermined depth of the sample (piece) 5 inside.
- the positioning device 3 can be used without particular limitation as long as it is a commercially available device. In the specific example 1 shown in FIG. 1, a commercially available three-dimensional positioning device is used. ,
- the positioning device 3 supports the precision injection device 2, supports the Z-axis positioning device 30 for elevating and lowering the precision injection device 2, and supports the Z-axis positioning device 30, and mounts the device 30 in the XY horizontal plane.
- X-Y plane positioning frame 31 for positioning inside, and X-Y positioning frame 31 are supported so that they can move horizontally, and a material fixing bed for fixing container 4 containing sample (piece) 5 32.
- the tissue for transplantation (piece) 5 is housed in a container 4 in a wet state so as not to kill or contaminate the tissue.
- the container 4 is a three-dimensional precision positioning device. 3 material is fixed on the fixed bed 32.
- the container 4 can be fixed by any method suitable for the material or shape of the container.
- the container 4 can be fixed by a mechanical fixing method using a jig (not shown). It is fixed on the door 32.
- the positioning device 3 includes an XY plane positioning frame 31 and a Z-axis positioning device 30.
- a control means (not shown) for controlling the movement of the tissue is built in. By setting the injection position and the injection depth in advance in the powerful control means, a desired portion of the transplantation tissue (piece) 5 can be obtained. A predetermined amount of cells can be injected into the cell.
- an appropriate negative pressure for adsorbing the yarn 5 (piece) 5 is generated in the material adsorption chamber 211 (see FIG. 2), and the tip of the vibrating needle 200 is In order not to damage the adsorbed tissue (piece) 5, the adsorbed tissue (piece) 5 is arranged at a position flush or slightly retracted from the adsorbing housing lower surface 212.
- the vibration needle 200 can be moved up and down independently of the suction housing 210 by the control means, and the control means lowers the vibration needle 200 based on the relative positional relationship with the suction housing 210. Therefore, for example, when the vibrating needle 200 protrudes 1 mm below the lower surface 212 of the suction housing, this becomes the injection depth of the vibrating needle 200 into the tissue (piece) 5.
- the tissue (piece) 5 is sucked into the suction housing lower surface 212 through the suction hole 213 by the negative pressure generated in the suction chamber 211 and the needle 200 is minutely vibrated. It is important to penetrate the tissue (piece) 5 while giving
- the tissue (piece) 5 is adsorbed to the suction housing 210, the surface position of the tissue (piece) 5 in the same phase as the suction housing lower surface 212 can be detected.
- the injection depth of the vibrating needle 200 can be accurately determined based on the bottom surface 212 of the 210, that is, the surface of the tissue (piece) 5, and the micro vibration given to the needle 200 and the surface of the tissue (piece) 5 are adsorbed. Combined with an appropriate tension state caused by being attracted to the housing 210, the vibrating needle 200 can smoothly penetrate to a desired portion (depth) without deforming the surface of the tissue (piece) having high elasticity. Power.
- the vibrating needle 200 is injected with a predetermined amount of a solution containing cells into the site by a precision injecting means (not shown) in liquid communication with the vibrating needle 200. I do.
- the vibrating needle 200 is raised to be flush with or above the lower surface 212 of the suction housing to withdraw the cells (pieces) 5.
- the negative pressure in the suction chamber 211 is returned to the atmospheric pressure or a positive pressure higher than that, and the tissue (piece) 5 is removed from the suction chamber 211. Then, the precision injection device 2 is raised by the Z-axis positioning device 30.
- the three-dimensional precision positioning device 3 is configured such that the vibrating needle 200 first penetrates and injects the reference point on the X-Y plane into the control means, and the suction housing 210 sucks the tissue (piece) 5 by the method described above. Since the reference point on the Z axis (vertical axis), which is the position at which the injection is to be performed, is stored, the next preset injection position and injection depth are determined based on the reference point, and a predetermined amount is added to a desired site. The above method is repeated so as to inject the cells.
- FIG. 2 shows a cross section of the sample adsorption housing 210 of the micro-vibration precision injection device 2 as viewed from the X—X direction force in FIG.
- the precision injection device 2 includes a vibrating needle 200 that can be microvibrated by the vibrator 2, and a suction needle 200 that surrounds the vibrating needle 200 and adsorbs the surface of the sample (piece) 5 to accurately penetrate the needle.
- the vibrating needle 200 is supported by the lifting flange 203 movably mounted in the suction housing 210 so that it can be moved up and down independently of the suction housing 210. .
- the suction housing 210 is configured to be able to move up and down with the vertical movement of the main body of the Z-axis positioning device 30 by directly supporting the suction housing 210 on the main body of the Z-axis positioning device 30.
- the vibrating needle 200 passing through the suction housing 210 is fitted to the vibrating needle 200 and is inseparably coupled to the vibrating needle guide rod 201 by supporting the raising / lowering means (not shown) built in the Z-axis positioning device 30 body.
- the suction housing 210 can be raised and lowered independently of the suction housing 210.
- the vibrating needle 200 is connected to a precise injecting means (not shown) in liquid communication to inject a predetermined amount of a solution containing cells into the tissue (piece) 5.
- the precision injection means can be used without particular limitation as long as it is a commercially available one, and can be used by being incorporated in the micro-vibration precision injection apparatus 2 or connected outside the precision injection apparatus 2. You may.
- the precision injection means is connected outside the precision injection device 2 via a cell suspension supply tube 205 which is in fluid communication with the vibrating needle 200.
- the precision injection device When the precision injection device is externally connected in this way, the internal structure of the precision injection device 2 is simplified, maintenance is facilitated, failure factors are reduced, and the reliability of the device is improved. There are advantages.
- a suction chamber 211 is formed, and an external positive pressure and negative pressure source (not shown) is generated in the suction chamber 211 so that a negative pressure or a positive pressure can be generated. And an intake / exhaust port 214 for connection to the
- the positive pressure and negative pressure sources may be, for example, pumps or positive pressure tanks and negative pressure tanks in which a predetermined gas pressure is held in advance. Is connected to the positive and negative pressure sources via an intake / exhaust plug 215 and an intake / exhaust tube 216 that are in gas communication with the intake / exhaust port 214 to adsorb the sample (piece) 5 to the adsorption housing 210 Then, when a negative pressure is generated in the adsorption chamber 211 and the sample (piece) 5 is desorbed, a positive pressure equal to or higher than the atmospheric pressure is generated.
- a suction hole 213 for sucking the sample (piece) 5 when a negative pressure is generated in the suction chamber 211 is provided at an appropriate position.
- the bottom surface 212 of the suction housing 210 is provided with an X-Y horizontal plane so that the surface of the sample (piece) 5 adsorbed is a flat surface and the adsorption property of the sample (piece) 5 is improved. Has a flush shape.
- sliding sleeves 217 and 218 for stabilizing the raising and lowering of the vibrating needle 200 and maintaining the airtightness of the suction chamber 211 are provided so as to be fixed thereto. Being done.
- the vibrating needle 200 can move up and down inside the sleeve 217 at the lower part of the suction housing 210.
- a vibrating needle guide rod 201 which is inseparably coupled with the vibrating needle 200, can be raised and lowered at the upper part of the suction housing 210, and the sleeve is kept airtight. Passed through 218.
- the vibrating needle 200 has a lifting flange 2 attached to the suction chamber 211 so as to be movable up and down.
- the lifting flange 202 is connected and fixed to the vibrating needle guide rod 201, and the guide rod
- the vibrating needle 200 With the vibrating needle 200 supported. That is, the vibrating needle 200 can move up and down relatively independently of the suction housing 210. Therefore, the tip of the vibrating needle 200 is below or above the housing lower surface 212 with the suction housing lower surface 212 as a reference plane. In this case, the protruding length of the needle is controlled as the depth of injection or withdrawal into the tissue (piece) 5.
- the flange surface of the lifting flange 203 is formed so that a pressure difference does not occur between the upper and lower surfaces of the lifting flange 203 even when a positive pressure or a negative pressure is generated in the suction chamber 211. It is preferable to use a gas communication structure.
- vent holes 204 are appropriately provided on the flange surface in consideration of the strength of the lifting flange 203 and the pressure release property.
- the vibrating needle 200 is provided with a vibrator
- the vibrator 202 can be used without any particular limitation as long as it can give a minute vibration to the needle.
- a device using ultrasonic vibration can be used for the vibrator 202 of the present invention.
- suction pressure is used as a means for suction-fixing the tissue (piece) 5 in order to accurately penetrate the vibrating needle 200, but the suction-fixing means is used. Is not particularly limited to this embodiment.
- a method of containing a tissue (piece) in a metal container and indirectly adsorbing and fixing the tissue (piece) using magnetism, or using an adhesive that does not adversely affect the tissue (piece) There are various ways to do this.
- the porcine myocardial tissue which was allowed to stand still in the container 4, was placed at a depth of 2500 at an interval of 200 micrometers within a range of 1 X 1 cm square. 100 milliliters of the cell suspension (1 x 105 cells per milliliter) could be injected at the millimeter position.
- the beating pig heart wall which is settled in the container 4, is positioned at a depth of 5 millimeters at 50 locations in a line at intervals of 200 micrometers. was able to inject 100 picoliters of cell suspension.
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- Bioinformatics & Cheminformatics (AREA)
- Genetics & Genomics (AREA)
- Wood Science & Technology (AREA)
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- Microbiology (AREA)
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- Anesthesiology (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04746905A EP1649885B1 (en) | 2003-07-04 | 2004-07-02 | Method of cell injection into biotissue and apparatus therefor |
JP2005511361A JPWO2005002651A1 (ja) | 2003-07-04 | 2004-07-02 | 生体組織への細胞注入方法および装置 |
US10/562,833 US8323881B2 (en) | 2003-07-04 | 2004-07-02 | Method of cell injection into biotissue and apparatus therefor |
KR1020067000038A KR101141568B1 (ko) | 2003-07-04 | 2004-07-02 | 생체조직에 대한 세포 주입방법 및 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003191778 | 2003-07-04 | ||
JP2003-191778 | 2003-07-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005002651A1 true WO2005002651A1 (ja) | 2005-01-13 |
Family
ID=33562376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/009436 WO2005002651A1 (ja) | 2003-07-04 | 2004-07-02 | 生体組織への細胞注入方法および装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8323881B2 (ja) |
EP (1) | EP1649885B1 (ja) |
JP (1) | JPWO2005002651A1 (ja) |
KR (2) | KR20120040243A (ja) |
CN (1) | CN100509071C (ja) |
WO (1) | WO2005002651A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007000168A (ja) * | 2005-06-21 | 2007-01-11 | Japan Health Science Foundation | 生体組織マトリックスへの細胞播種方法 |
CN106381264A (zh) * | 2016-11-25 | 2017-02-08 | 哈尔滨工业大学 | 机器人辅助的显微注射系统中微量吸液管针尖的大范围自动定位方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007004855B4 (de) * | 2007-01-31 | 2014-03-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Deposition von biologischem Material in einem Zielsubstrat |
CN101342085B (zh) * | 2007-07-09 | 2012-10-10 | 王迎峰 | 一种植入组织补片的装置 |
CN102988100A (zh) * | 2012-11-09 | 2013-03-27 | 大连理工大学 | 一种低阻力针刺方法 |
CN104524669A (zh) * | 2015-01-14 | 2015-04-22 | 李洪湘 | 多针头式吸附注射针 |
CN104630050B (zh) * | 2015-01-19 | 2017-06-27 | 中国科学院物理研究所 | 一种细胞注入和提取的微纳米吸管装置 |
JP6484345B2 (ja) * | 2015-02-17 | 2019-03-20 | アムジエン・インコーポレーテツド | 固定及び/または戻りが真空によって支援された薬物送達装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08322568A (ja) * | 1995-05-31 | 1996-12-10 | Y S New Technol Kenkyusho:Kk | Dna顕微注入法 |
JP2001046500A (ja) * | 1999-08-13 | 2001-02-20 | Olympus Optical Co Ltd | 医療用注射装置 |
JP2001252300A (ja) * | 2000-03-14 | 2001-09-18 | Mototsugu Nishinobu | 水晶体実質の置換方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0962524B1 (de) * | 1998-05-27 | 2004-11-03 | Micronas GmbH | Verfahren und Vorrichtung zur intrazellulären Manipulation einer biologischen Zelle |
DE19932032C2 (de) * | 1999-07-09 | 2003-07-24 | Eppendorf Ag | Vorrichtung zur Mikro-Dissektion von Gewebe |
-
2004
- 2004-07-02 JP JP2005511361A patent/JPWO2005002651A1/ja active Pending
- 2004-07-02 CN CNB2004800183666A patent/CN100509071C/zh not_active Expired - Fee Related
- 2004-07-02 US US10/562,833 patent/US8323881B2/en not_active Expired - Fee Related
- 2004-07-02 EP EP04746905A patent/EP1649885B1/en not_active Not-in-force
- 2004-07-02 KR KR1020127003868A patent/KR20120040243A/ko not_active Application Discontinuation
- 2004-07-02 KR KR1020067000038A patent/KR101141568B1/ko not_active IP Right Cessation
- 2004-07-02 WO PCT/JP2004/009436 patent/WO2005002651A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08322568A (ja) * | 1995-05-31 | 1996-12-10 | Y S New Technol Kenkyusho:Kk | Dna顕微注入法 |
JP2001046500A (ja) * | 1999-08-13 | 2001-02-20 | Olympus Optical Co Ltd | 医療用注射装置 |
JP2001252300A (ja) * | 2000-03-14 | 2001-09-18 | Mototsugu Nishinobu | 水晶体実質の置換方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007000168A (ja) * | 2005-06-21 | 2007-01-11 | Japan Health Science Foundation | 生体組織マトリックスへの細胞播種方法 |
CN106381264A (zh) * | 2016-11-25 | 2017-02-08 | 哈尔滨工业大学 | 机器人辅助的显微注射系统中微量吸液管针尖的大范围自动定位方法 |
Also Published As
Publication number | Publication date |
---|---|
US8323881B2 (en) | 2012-12-04 |
EP1649885B1 (en) | 2012-09-12 |
EP1649885A1 (en) | 2006-04-26 |
KR20060026120A (ko) | 2006-03-22 |
KR101141568B1 (ko) | 2012-05-15 |
KR20120040243A (ko) | 2012-04-26 |
CN1812820A (zh) | 2006-08-02 |
EP1649885A4 (en) | 2010-01-13 |
JPWO2005002651A1 (ja) | 2007-09-20 |
CN100509071C (zh) | 2009-07-08 |
US20090155760A1 (en) | 2009-06-18 |
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