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WO2008034847A1 - Dispositif, système et procédé d'échantillonnage - Google Patents

Dispositif, système et procédé d'échantillonnage Download PDF

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Publication number
WO2008034847A1
WO2008034847A1 PCT/EP2007/059905 EP2007059905W WO2008034847A1 WO 2008034847 A1 WO2008034847 A1 WO 2008034847A1 EP 2007059905 W EP2007059905 W EP 2007059905W WO 2008034847 A1 WO2008034847 A1 WO 2008034847A1
Authority
WO
WIPO (PCT)
Prior art keywords
sampling
sampling device
meat
scraping
sample
Prior art date
Application number
PCT/EP2007/059905
Other languages
English (en)
Inventor
Ronan Loftus
Ciaran Meghen
Carol Scott
Original Assignee
Parlanca Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Parlanca Ltd. filed Critical Parlanca Ltd.
Publication of WO2008034847A1 publication Critical patent/WO2008034847A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22B—SLAUGHTERING
    • A22B5/00—Accessories for use during or after slaughtering
    • A22B5/0064—Accessories for use during or after slaughtering for classifying or grading carcasses; for measuring back fat
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/0233—Pointed or sharp biopsy instruments

Definitions

  • the present invention relates to a device, system and method for obtaining a sample from a meat source, in particular meat samples taken from meat sources in abattoirs with high speed kill lines and high speed meat packing plants.
  • WO 00/12008 discloses a sampling device having a spiked portion, with barb-like teeth extending from it, which is penetrated into the carcass and on removal samples of the meat are secured on the teeth for later analysis.
  • JP2004361376 discloses a device having round barrel with a sharpened edge to be inserted into the meat surface and subsequently withdrawn together with a sample of the meat to be stored in the barrel and sealed with a detachable lid.
  • Such devices are not suitable where damage to the meat surface is to be avoided, which may be important in certain circumstances, e.g. with a high quality cut of meat. They are also sensitive to the orientation at which they are used to obtain the sample, i.e. the user must ensure that the device is presented at a particular angle and rotational orientation to the meat surface. If the device is not used correctly a satisfactory sample may not be obtained or the user may inadvertently contaminate the sample, either by contacting it or by dropping the device.
  • the speed of the sampling process is essential in the environments of a high speed kill line abattoir or high speed meat packaging plant. An inefficient sampling process could slow down the production line leading to production inefficiencies and ultimately added cost.
  • the sampling process must take less than 15 seconds, generally less than 10 seconds, to achieve in order to ensure that the person sampling the meat is able to keep up with the rate that carcasses in an abattoir pass.
  • the simplicity, efficiency and robustness of the sampling system is of the utmost importance.
  • a sampling device comprising a handle portion and a sampling portion, the sampling portion having at least one sampling member extending outwardly from said sampling portion, the at least one sampling member having at least one scraping edge, the at least one scraping edge being configured such that, when in use, a portion of the scraping edge is presented to a meat surface irrespective of the rotation of the sampling portion relative to the meat surface.
  • the advantage of such a device is that it is 'omni-directional' allowing a sample of meat to be effectively obtained from the meat source no matter how the user holds the device. This is of great benefit to the efficiency of the process, meaning that the user need not adjust his grip on the device once he has grasped it. This speeds up the process and reduces the likelihood of the device being dropped or the user contaminating the device by touching the sampling portion. In addition, where automated sampling is to be used, the automated sampler would not have to make an adjustment for the orientation of the device. Additionally, the advantage of being 'omni-directional' allows a standard laboratory robot, for example, to pick up the device in any rotation where automated sampling is to be used. By rotation of the sampling portion, it is generally meant rotation about the longitudinal axis of the sampling portion.
  • scraping edge it is meant as edge which is capable of removing a sample of meat from the surface of a meat source.
  • the edge need not be a knife edge, though this may be suitable in some embodiments.
  • a square edge may be entirely suitable in other embodiments, and edges of various levels of sharpness in between these extremes may also be suitable depending on the meat surface to be sampled.
  • an edge having between 10 ° to 90 °, more preferably 20 ° to 70 °, especially 30 ° to 60 ° is used.
  • handle portion and the sampling portion are integral, though in some embodiments they may be separable, e.g. to facilitate integration into automated analysis machinery.
  • the meat source may be, for example, a carcass which may be fresh or frozen or a cut of meat obtained from a carcass.
  • the device is particularly suited for use in an abattoir or meat packaging plant.
  • the device of the present invention is suitable for obtaining a sample from essentially any species of meat. Mention may be made of beef, lamb/mutton and pork, these generally making up the bulk of meat production, but the device is, of course, equally suited to other species such as venison, chicken, turkey, goat, horse etc.
  • the at least one scraping edge extends around the sampling portion such that there is no rotational gap in the scraping edge of greater than 120 degrees, preferably no gap greater than 90 degrees.
  • the gap referred to is in the rotational plane of the sampling portion as described above. This ensures that the at least one scraping edge will be in contact with the meat surface irrespective of the rotation of the sampling device.
  • the scraping edge extends substantially around the sampling portion.
  • the at least one scraping edge defines at least a 360 degree rotation about the sampling portion.
  • This 360 degree rotation can be continuous (e.g. a circular or helical edge) or non- continuous, i.e. the at least one scraping edge may be a number of edges which in combination define a scraping edge extending around the cutting member.
  • the at least one sampling member defines a generally circular continuous scraping edge.
  • the at least one scraping edge is a plurality of scraping edges which are positioned and arranged such that there is no rotational gap of greater than 120 degrees (preferably 90 degrees) between the said scraping edges.
  • at least two, preferably all, of the scraping edges are co-planar, i.e. a star-like arrangement, but may alternatively be longitudinally spaced along the sampling portion.
  • the sampling device comprising two or more arrays of the at least one sampling member.
  • the sampling device comprises at least two generally circular sampling members spaced along the sampling member. It may be preferred that the diameter of the sampling members generally taper such that those proximal to the handle have a larger diameter than those distal to the handle. This aids taking of samples when the device is held at a natural angle to the meat source.
  • the diameter of the larger sampling members is such that the sampling portion may be inserted into a suitable test tube, a 96 well plate, or other similar laboratory analysis vessels, by a laboratory technician or standard laboratory robot.
  • a diameter 10 mm or less is desirable, preferably 8 mm or less, and in some cases 6 mm or less, though various sizes will of course fit into different laboratory analysis vessels and it will be obvious that the size of the sampling portion may be varied accordingly.
  • the sampling portion is adapted to fit such plates, particularly deep-well 96 well plates.
  • the at least one sampling member comprises a scraping face which faces towards the handle portion, the distal edge of said face defining the at least one scraping edge.
  • the obtained sample is deposited on to the scraping face after being scraped from the meat surface via the at least one scraping edge.
  • the scraping face is angled such that the angle of the face relative to the scraping portion is 90 degrees or less.
  • This arrangement means that the at least one scraping edge is effective in scraping a sample from a meat surface as the sampling member acts as in manner akin to a barb. It would be routine to the person skilled in the art to optimise the angle of the face for a particular application.
  • the scraping face is substantially 90 degrees to the relative to the scraping portion. This allows a reasonable, but not excessive amount of meat to be taken as a sample, and also avoids the device catching on the meat source.
  • the scraping face may be angled away from the handle portion, i.e. an angle of greater than 90 degrees. This would result in the scraping edge being less effective in scraping a sample from the meat surface.
  • this arrangement could be well suited when the meat surface is delicate or when minimum damage to the meat surface is paramount, and a large sample is not required.
  • the use of a scraping face provides a means to optimize the sample amount for later analysis by varying the size of the scraping face.
  • the scraping face is preferably arranged in the device such that it is easy to access to remove the sample of meat in a laboratory or the like. Access to the scraping face should preferably not be obstructed by features of the device, so that a technician, for example, can remove a portion of the sample of meat with a spatula or the like.
  • the scraping face is desirably arranged such that the sample can be easily removed in automated sample processing, e.g. simply through immersion in a liquid medium, optionally combined with agitation. Such an arrangement is conveniently achieved when the scraping surface is provided at an angle of around 90 degrees to the sampling portion and continues smoothly to the scraping edge without a lip or other such obstruction which could inhibit removal of the sample.
  • the sampling device may conveniently comprise a cap detachably mountable over said sampling portion.
  • a cap ensures that the sample portion is kept clean (optionally sterile) prior to taking the sample and that the obtained sample is contained and safe from contamination, and equally, does not leak out during or after storage.
  • the cap is securable via corresponding connection means on the cap and the sampling device, e.g. a snap-fit arrangement.
  • the cap advantageously may comprise a gripping means for aiding removal and replacement of the cap from the sampling device.
  • the gripping means comprises a textured or recessed portion on the cap.
  • the gripping means may comprise two opposing scalloped portions near the closed end of the cap forming concave regions for a thumb and forefinger of a user to be placed on either side of the cap; such an arrangement provides a wider portion at the closed distal end of the cap for the thumb and forefinger to abut against to aid the removal of the cap from the sampling device.
  • the sampling device also comprises identification means for identifying the device.
  • identification means may comprise an electronically identifiable tag, for example a barcode or radio frequency identification
  • the identification means may be provided on any part of the device, though most conveniently on the handle or cap.
  • the advantage of providing the identification means on the handle is that it will never become separated from the sample.
  • the identification means is provided on the cap it is easier to scan the device without releasing the grip on the handle, though there is of course the limited risk of the cap being dissociated from the rest of the device.
  • the identification means is provided on the cap. It is advantageous that the identification means can be read from any angle. Where a barcode is used, it may be suitably be provided as a plurality of repeating individual barcodes extending substantially around the device to allow it to be readable from any angle by a suitable means such as a barcode scanner.
  • the handle portion of the sampling device comprises a gripping means which extends substantially around the handle portion.
  • This may be a depression extending substantially around the handle portion to receive a thumb of a user to ensure that, when in use, the hand of a user does not slip forward of the handle portion and potentially contaminate the obtained sample or the meat surface, or equally to ensure the user does not release the sampling device by accident.
  • the handle portion may be suitably sized and shaped or comprise specific interface means for interfacing with the arm of a standard laboratory robot to facilitate automated sample analysis.
  • the end of handle may be provided with a depression or projection which is shaped and sized to interact with a corresponding feature of a laboratory robot.
  • the interface means is adapted such that the robot can interface with the device irrespective of the rotation of the device.
  • the handle portion and sampling portion share a common axis, i.e. they all lie generally in a line.
  • the handle portion could be cranked relative to the sampling portion, though this is not generally preferred as it will not be so easy to use the device at any angle.
  • the present invention provides a system for obtaining samples from a plurality of sources of meat, the system comprising a plurality of sampling devices as described above, a recording means for recording the identity of individual sampling devices and a correlation means for correlating the device identity and sample with its meat source.
  • the meat source will also have some identifying means to allow the correlation of source and sample to be achieved.
  • the system comprises a dispensing means for dispensing sampling devices, which is conveniently gravity fed and dispenses one device at a time.
  • the system may comprise a storing means for storing a sampling device after a sample has been obtained from the meat source.
  • the recording means may conveniently be a bar code scanner or RFID scanner to scan a corresponding identifying means provided on the sampling device (and optionally identification means provided on the meat source).
  • the correlating means is suitably a computer which correlates the identity of the sampling device and sample with the meat source from which the sample was obtained.
  • the correlating means may be provided with additional information about the meat source such as the origin and processing details.
  • the correlating means may also correlate information obtained through subsequent analysis of the meat sample, for example genetic information regarding the meat.
  • the present invention provides a method of obtaining a sample using a sampling device as described above, the method comprising the steps of: (a) contacting the at least one scraping edge of the at least one sampling member with the surface of a meat source, and
  • the scraping of the meat source is significant in that it allows a sample to be taken i) in an ergonomically sound fashion reducing the risk of repetitive strain injury, and ii) without significant damage to the meat source. Additionally, it allows a sample to be taken from a frozen or otherwise solid meat source which it would be difficult to stab with a conventional sampling device.
  • step (b) is preferably in the direction towards the handle of the sampling device. This results in a more natural sampling technique as it is more convenient to draw the device over the sample than push it over the sample.
  • the method may suitably comprise the step of:
  • this correlation is useful to tie the result of the analysis to the source of meat. This is not so significant where a generalised sampling technique is required which is not intended to be used to correlate particular results with particular meat sources, e.g. in generalised screening for pathogens. However, this correlation may be extremely useful in generating databases of identifying features (e.g. DNA fingerprints) of individual carcasses for use in later tracing or source verification procedures as described earlier.
  • identifying features e.g. DNA fingerprints
  • step (c) may be achieved by scanning an electronically identifiable tag with a scanner and correlating this with the meat source.
  • the correlation with the meat source may involve scanning a tag associated with the meat source.
  • the method may further comprise removing a cap provided on the device prior to scraping the meat and replacing the cap after the sample has been taken.
  • the present invention provides the use of a device as described above for obtaining a sample of meat from a meat source.
  • the present invention provides the use of a system as described above in an abattoir or meat processing or packaging plant.
  • Fig.1 is a perspective view of a sampling device in accordance to the present invention.
  • Fig.2 is a longitudinal cross-section view of a sampling device of the present invention, including a cap.
  • Fig.3 is a plan view of a sampling device including a cap.
  • Fig.4 is a flowchart illustrating a method of using a sampling device of the present invention.
  • Fig.5 is a flowchart illustrating an alternative method of using a sampling device of the present invention.
  • a sampling device (1 ) (shown in Figs.1 to 3) for obtaining a sample of meat from a meat source comprises a handle portion (2) and a sampling portion (3) extending longitudinally from the end of the handle portion (2).
  • the handle portion (2) is generally cylindrical in shape and is sized to fit the hand of a user.
  • the sampling portion (3) is an elongate extension projecting from the handle portion (2). It is generally cruciform in cross-section, the arms of the cross being formed by four strengthening ribs (7) running the length of the sampling portion (3), each extending from the axis of the sampling portion.
  • the sampling portion has three equally spaced, disc-shaped sampling members (4) which extend outwardly from the sampling portion (2).
  • the sampling members (4) are provided in a group at the distal end of the sampling portion (3). There could of course be fewer or more sampling members (4) depending on the requirements of the sampling device (1 ).
  • the distal sampling member (5) is of smaller diameter relative to the other two sampling members (4).
  • the sampling members extend outwardly from the sampling portion (3) and each define a circular scraping edge (6).
  • the sampling members (4) each comprise a scraping face which faces towards the handle portion (2) and extends perpendicular to the axis of the sampling portion. The distal edge of the scraping face defines the scraping edge (6).
  • the handle portion (2) comprises a securing means for a cap (8) which is shaped and sized to fit over the sampling portion (3) which serves to cover the sample and avoid contamination.
  • the securing means is a 'snap-fit' arrangement comprising an annular recess (9) in the handle portion (2) and corresponding annular rib (10) on the inside wall of the cap (8) to 'snap' into said recess (9) when the cap (8) is placed over the sampling portion (3).
  • This 'snap-fit' arrangement further provides a sealing means for containing a fluid, e.g. blood, from the sample to prevent it leaking from the device (1 ).
  • the cap comprises a grip (12) to facilitate its removal and replacement over the sampling portion (3).
  • the grip (12) comprising two opposing scalloped portions near the closed end of the cap forming concave regions for a thumb and forefinger of a user to be placed on either side of the cap; such an arrangement provides a wider portion at the closed distal end of the cap for the thumb and forefinger to abut against to aid the removal of the cap from the sampling device.
  • the cap comprises a barcode (not shown) affixed around the cap to allow it to be identified and scanned from all angles by a barcode scanner, irrespective of the rotation of the sampling device (1 ). Three identical bar codes are provided, spaced 120 degrees apart around the circumference of the cap thus allowing scanning from essentially any angle.
  • the sampling device (1 ) may comprise a RFID tag or other labelling or tagging means to allow it to be identified.
  • the handle portion (2) further comprises a depression (1 1 ) extending around the handle portion (2) to provide a gripping means to ensure the hand of a user does not slip forward and contaminate the secured sample or meat surface from which it is being obtained or slip off in the other direction causing the user to drop the device.
  • a circular recess is provided at the end of the handle portion (2).
  • the depression at the end of the handle portion (2) forms a circular depressed area which is surrounded by a ridge.
  • This arrangement provides interface means suitable for a robotic device to interact with the sampling device (1 ) to pick it up and manipulate it for laboratory analysis. It is useful that the depression is circular so that a robotic device can engage with the depression regardless of the rotation of the device.
  • a boss or other projection from the handle e.g. a boss or other projection from the handle.
  • the sampling device (1 ) may be conveniently manufactured from a plastics material such as polyethylene or polypropylene or any suitable material which is food safe and break or shatterproof. It is advantageous if it is blue in colour to aid location if it is dropped.
  • the sampling device (1 ) When a sample is required from a meat surface, the sampling device (1 ) is held by a user at the handle portion (2), in any rotation, preferably with the thumb of a user placed in the depression (1 1 ) on the handle portion (2), with the sampling portion (3) being directed away from the user.
  • the device (1 ) can conveniently be taken from a dispenser adapted to dispense devices one by one as required.
  • the cap (8) is then removed by pulling the cap (8) from the device via the gripping means on the cap (8).
  • At least one cutting member (4) is held in contact with the meat surface and the scraping edge scraped across the surface, preferably in a direction towards the handle portion.
  • the perpendicular arrangement of the sampling members (4) relative to the axis of the sampling portion causes a scraping effect between the scraping edge (6) and the meat surface and results in a portion of the meat surface coming away from the carcass and becoming deposited on the scraping face of the sampling member (4).
  • This scraping effect is generally more effective if the scraping face is angled towards the handle portion (2) as the edge will tend to dig into the meat surface, and less so if the scraping face was angled away from the handle portion (2) as the edge will tend to glide over the surface. Where the face is approximately perpendicular a good compromise is attained.
  • a more gliding arrangement may be beneficial when a sample is required from a particularly soft meat surface or where it is important that damage to the meat surface is avoided.
  • the cap (8) is then replaced on the device (1 ).
  • the device (1 ) with sample can then be deposited in a convenient receptacle for storage before later analysis.
  • the device (1 ) is recorded via recording means which is able to read the identification means provided on the device, e.g. a barcode reader and a barcode on the device (1 ).
  • the device (1 ) with its sample is correlated with the meat source, e.g. carcass, from which the sample has been taken.
  • This correlation is achieved using a correlation means which is typically a computer which receives and stores details of the meat source, which may be obtained via identification means provided on the meat source, and details of the device (1 ), and then associates the two. This allows information derived from later analysis (e.g. DNA analysis) of the sample to be traced back to the particular meat source sampled.
  • the number of sampling members (4) is not limited to three and, depending on the number chosen, a plurality of samples may be obtained from a single meat surface in a single sampling action. This eradicates the need for repeat sampling if a particular sample proves insufficient for analysis or is inadvertently lost or destroyed.
  • the sampling device (1 ) as described may be used within a system comprising a reading means for reading the identification means, a recording means for recording the identity of the sampling device (1 ) and a correlating means for correlating the identity of the device (1 ) with a meat source from which a sample was obtained.
  • the type of reading means will, of course depend on the identification means used, but may be a barcode scanner, a RFID reader or the user may read a labelling means and directly input the reading into the correlation means, e.g. via a keypad. In general a simple and rapid system such as a barcode or RFID system is preferred.
  • a method of using the device is illustrated in Fig. 4.
  • a sampling device (1 ) is removed from a gravity dispenser and a barcode, located around the cap of the sampling device, is scanned by the reading means.
  • the cap (8) is then removed and a sample is obtained from the desired meat surface.
  • the cap (8) is replaced to cover and contain the sample and the sampling device is placed in a sample storage container for later analysis.
  • FIG. 5 An alternative method is illustrated in Fig. 5 in which the scanning step occurs after the sample has been obtained and the cap replaced.
  • a computer system may be used to record and store the identity of the sampling device and link the obtained sample with the meat source, when required.
  • a computer may be used to build up a database of identifying or characterising data, e.g. the results of genetic or other tests, which is linked to the particular meat source.

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  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)

Abstract

L'invention a trait à un dispositif (1) permettant d'obtenir un échantillon à partir d'une source de viande, en particulier des échantillons de viande pris à partir de sources de viande dans des abattoirs dotés de lignes d'abattage à grande vitesse et d'équipements d'emballage de viande à grande vitesse. Le dispositif (1) inclut une partie poignée (2) et une partie échantillonnage (3) dotée d'au moins un rebord à racler (6) permettant de retirer un échantillon de viande. De manière avantageuse, le dispositif (1) est “omnidirectionnel” ce qui permet à un échantillon de viande d'être effectivement obtenu à partir de la source de viande quelle que soit la manière dont l'utilisateur maintient le dispositif (1). L'invention concerne également un système permettant de corréler un dispositif d'échantillonnage (1) et son échantillon à une source de viande et un procédé d'utilisation du dispositif et/ou système.
PCT/EP2007/059905 2006-09-19 2007-09-19 Dispositif, système et procédé d'échantillonnage WO2008034847A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0618349.5 2006-09-19
GB0618349A GB0618349D0 (en) 2006-09-19 2006-09-19 Sampling device, system and method

Publications (1)

Publication Number Publication Date
WO2008034847A1 true WO2008034847A1 (fr) 2008-03-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2604120A1 (fr) * 2011-12-13 2013-06-19 Parlanca Limited Appareil et procédé d'échantillonnage automatisé
CN108398291A (zh) * 2018-05-08 2018-08-14 北京六角体科技发展有限公司 一种肉食品检测样品无菌采样装置
WO2021140191A2 (fr) 2020-01-10 2021-07-15 Parlanca Limited Kit d'échantillonnage de tissu biologique

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0295349A2 (fr) * 1987-06-19 1988-12-21 Idetek, Inc. Echantillonnage automatique dans l'abattoir
US5741177A (en) * 1994-06-28 1998-04-21 Meat Research Corporation Tissue sampling and analysis
US20020137033A1 (en) * 1998-05-25 2002-09-26 Gottfried Brem An apparatus for collection and preparationof tissue samples for molecular genetic diagnosis
US20040219537A1 (en) * 2003-05-02 2004-11-04 Fenrich Richard K. Epidermal collection method, kit, and device
JP2004361376A (ja) * 2003-05-13 2004-12-24 Tanaka Sangyo Kk 食肉サンプルの採取保存方法およびそれに用いる器具

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0295349A2 (fr) * 1987-06-19 1988-12-21 Idetek, Inc. Echantillonnage automatique dans l'abattoir
US5741177A (en) * 1994-06-28 1998-04-21 Meat Research Corporation Tissue sampling and analysis
US20020137033A1 (en) * 1998-05-25 2002-09-26 Gottfried Brem An apparatus for collection and preparationof tissue samples for molecular genetic diagnosis
US20040219537A1 (en) * 2003-05-02 2004-11-04 Fenrich Richard K. Epidermal collection method, kit, and device
JP2004361376A (ja) * 2003-05-13 2004-12-24 Tanaka Sangyo Kk 食肉サンプルの採取保存方法およびそれに用いる器具

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2604120A1 (fr) * 2011-12-13 2013-06-19 Parlanca Limited Appareil et procédé d'échantillonnage automatisé
CN108398291A (zh) * 2018-05-08 2018-08-14 北京六角体科技发展有限公司 一种肉食品检测样品无菌采样装置
WO2021140191A2 (fr) 2020-01-10 2021-07-15 Parlanca Limited Kit d'échantillonnage de tissu biologique

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Publication number Publication date
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