WO2018069087A1 - Pince améliorée destinée à être utilisée dans un dispositif de coupe et/ou en tant que pince autonome - Google Patents

Pince améliorée destinée à être utilisée dans un dispositif de coupe et/ou en tant que pince autonome Download PDF

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Publication number
WO2018069087A1
WO2018069087A1 PCT/EP2017/075044 EP2017075044W WO2018069087A1 WO 2018069087 A1 WO2018069087 A1 WO 2018069087A1 EP 2017075044 W EP2017075044 W EP 2017075044W WO 2018069087 A1 WO2018069087 A1 WO 2018069087A1
Authority
WO
WIPO (PCT)
Prior art keywords
leg
clamp
clamping
hinge
locking member
Prior art date
Application number
PCT/EP2017/075044
Other languages
English (en)
Inventor
Knud Lykke Jensen
Peter Sølbeck
Original Assignee
Price Invena Aps
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 Price Invena Aps filed Critical Price Invena Aps
Publication of WO2018069087A1 publication Critical patent/WO2018069087A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord
    • A61B17/1227—Spring clips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/128—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3209—Incision instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00477—Coupling
    • 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
    • A61B2017/00858—Material properties high friction or non-slip
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord
    • A61B2017/1225—Clamps or clips, e.g. for the umbilical cord for clipping and cutting in a single operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B2017/320052—Guides for cutting instruments
    • 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
    • A61B90/03—Automatic limiting or abutting means, e.g. for safety
    • A61B2090/033—Abutting means, stops, e.g. abutting on tissue or skin

Definitions

  • the present invention relates to an improved clamp for clamping an object and for use in devices for clamping and cutting objects, e.g . for clamping and cutting an umbilical cord.
  • WO95/08953 discloses a device for squeezing and cutting members such as an umbilical cord that possesses substantial advantages in ease of use, safety and ease of construction over previous devices.
  • Said device comprised a first clamp, a second clamp and a clamp holder which when assembled correctly would allow the clamping and cutting of an umbilical cord.
  • WO15/003845 discloses an improved clamp having three legs, which act to facilitate the hold on the clamped object, and a clamping and cutting device utilizing said improved clamp for clamping and cutting an object.
  • the herein presented invention further improves upon the design of a clamp for use, for example, in a device as disclosed in WO95/08953 and/or in W098/44851 and/or in WO15/003845.
  • the baby side clamp disclosed in W098/44851 has an open configuration with two legs that can close upon an item to be clamped such as an umbilical cord . However, with this configuration the item to be cut can move toward the clamp opening, when the legs are pressed together in a closing manner.
  • the herein described improved clamp has a third leg placed inside the locking mechanism so that the object to be cut is held securely in the clamp. This greatly improves the ease of use of the clamp and the clamping and cutting device in which the clamp may be used.
  • the present invention relates to a clamp comprising : a first leg 1 having an inner face comprising a clamping bed 4, said first leg 1 having at one end a first locking member 9; a second leg 2 attached at one end to the first leg 1 at an end of said first leg 1 being distal to said first locking member 9 by a first resilient hinge 8 by which the said first and second legs 1, 2 are sprung apart, said second leg 2 having at an end being distal to said first hinge 8 a second locking member 10, said second leg 2 having an inner face comprising a clamping bed 5 extending part of the length of the inner face of said second leg 2 from the first hinge 8, said second leg 2 having a recessed section 7 extending from the clamping bed 5 of said second leg to said second locking member 10; a third leg 3 attached to said first leg 1 between said clamping bed 4 of the first leg 1 and said first locking member 9 by a second resilient hinge 11 by which the first and third legs 1, 3 are sprung apart, said third leg 3 comprising a clamping bed 6 extending
  • said first leg 1, said second leg 2 and said third leg 3 together form a cavity capable of receiving an object to be clamped
  • said recessed section 7 is recessed such that said third leg 3 is
  • the clamping beds 5, 6 of said second and third legs 2, 3 together form a contiguous clamping bed for clamping a received object against the clamping bed 4 of the first leg 1 when said clamp is closed,
  • said clamping bed 4 of the first leg 1 and/or the clamping beds 5, 6 of the second 2 and third 3 legs comprise one or more row(s) of teeth
  • said hinge 8 has a flexible guard 19 within it for preventing the object to be clamped from passing into said hinge 8 and escaping from the clamping beds 4, 5, 6 of the clamp, and
  • the present invention relates to a clamping and cutting device comprising : a first clamp 60, where said first clamp is a clamp as described in the first aspect, a second clamp 30, wherein said second clamp 30 comprises o a first 31, second 32 and third leg 34, an elongated member 35 and a T- shaped rail 38 incorporating a flange 39 on the outer face of said first leg 31, o said first leg 31 being attached to an end of said second leg 32 by a first resilient hinge 33 at one end of the first leg 31,
  • said elongated member 35 extending in the direction of the first leg 31, originating at the end of the first leg 31 that is opposite the first resilient hinge 33, said elongated member 35 being capped by a pusher section 37,
  • said second leg 32 having a rail 40 on the outer face of said second leg 32, o said first 31, second 32 and third 34 leg having clamping beds on their inner faces which may comprise one or more row(s) of teeth,
  • a clamp holder 50 comprising cutting means 42 and means 43, 44, 45, 46 for supporting said first and second clamps 30, 60 side by side with one another with said cutting means 42 between them and for guiding said clamps 30, 60 in a sliding movement within said clamp holder 50 to advance said cutting means 42 between said clamps to cut an object in use whilst compressing the legs of said clamps to clamp said object.
  • the object to be clamped and/or cut by the clamp and/or clamping and cutting device as described herein is an umbilical cord.
  • Figure 1 shows a perspective view from below of a known baby side clamp for use in a cutting and clamping device.
  • Figure 2 shows in side view a first embodiment of a clamp of the present invention.
  • Figure 3 shows a perspective side view of the first general embod iment of a clamp of the present invention .
  • Figure 4 shows in side view a second embod iment of a clamp of the present invention .
  • Figure 5 shows a perspective side view of the second embodiment of a clamp of the present invention .
  • Figure 6 shows in side view a preferred embodiment of an assembled clamping and cutting device of the invention .
  • Figure 7 shows a perspective view of a clamp holder used in a preferred embodiment of an assembled clamping and cutting device if the invention .
  • Figures 8 and 9 show perspective views of a known mother's side umbilical cord clamp.
  • Figures 2 and 3 show a first embod iment of a clamp of the present invention .
  • the clamp has three legs, a first leg 1, a second leg 2 and a third leg 3.
  • leg is typically meant an elongate member attached at one end or at both ends to another member. Such a leg may or may not be able to change position in relation to other members.
  • first locking member 9 At one end of the first leg 1 is a first locking member 9, which together with a second locking member 10 at one end of the second leg 2 forms a locking mechanism .
  • second locking member 10 At one end of the first leg 1 is a first locking member 9, which together with a second locking member 10 at one end of the second leg 2 forms a locking mechanism .
  • Details as to the locking members 9, 10 is given below, however, the function of the locking members 9, 10 is to prevent the clamp from
  • the second leg 2 is attached at an end of said first leg 1 being distal to the first locking member 9, that is, at the opposite end of the first locking member 9.
  • first leg 1 is distal to the first locking member 9, that is, at the opposite end of the first locking member 9.
  • leg is an integral part of the clamp and may or may not be able to rotate about one or more pivot axes.
  • the third leg 3 is attached to the first leg 1 next to the first locking member 9 and on the side of the locking member 9 facing towards the end of the first leg 1 where the second leg 2 is attached. Being attached next to the first locking member 9 means that the third leg 3 is attached at a point on the first leg 1 that is closer to the locking member 9 than to the end where the second leg 2 is attached .
  • the second 2 and third 3 legs are attached to the first leg 1 by a first resilient hinge 8 and a second resilient hinge 11, respectively, by which the legs, 1, 2 and 1, 3, are sprung apart.
  • the second 2 and third 3 leg point towards each other and the angles between the first 1 and second leg 2 and between the first 1 and third 3 leg is less than 90 degrees.
  • the three legs 1, 2, 3 form a cavity capable of receiving an object to be clamped.
  • the three legs 1, 2, 3 each have an inner face and an outer face, where the inner face is defined as the side of the leg that faces into the cavity, while the outer face faces away from the cavity.
  • the first leg 1 has a clamping bed 4 on its inner face.
  • a clamping bed is a surface that may come into contact with a clamped object, when that object is inside the clamp and the clamp is closing and closed .
  • the second leg 2 has, on its inner face, a clamping bed 5, which extends part of the length from the first hinge 8. Further, the second leg 2 has a recessed section 7, which extends from the clamping bed 5 to the second locking member 10.
  • the third leg 3 has a clamping bed 6, which extends at least a part of the length of the inner face of the third leg 3.
  • the clamping bed 4 of the first leg 1 and/or the clamping beds 5, 6 of the second 2 and third 3 legs has one or more row(s) of teeth.
  • the outer face of the third leg 3 has a contact section 12.
  • the recessed section 7 is recessed such that the third leg 3 can be accommodated in said recessed section 7 when the clamp is closed .
  • the recessed section 7 of the second leg 2 makes contact with the contact section 12 on the third leg 3.
  • This causes the third leg 3 to be pressed towards the first leg 1 against the resilience of the second hinge 11 such that the clamping beds of the first and third leg 4, 6 move towards each other.
  • Within the hinge 8 there is a flexible guard 19 for preventing the object to be clamped from passing into the hinge and escaping from the clamping beds 4, 5, 6 of the clamp.
  • the first leg 1 and/or said second leg 2 may comprise a gripping surface such as bulges 13, 14, or a surface section made from rubber or a rubbery material for increased friction, on the outer face. This facilitates closing the clamp and makes it possible for some to do so using one hand.
  • the three legs' are interlinked placed and interacts.
  • the sprung apart legs provides a cavity.
  • the cavity is capable of receiving an object to be claimed without the object being clamped, as the legs are sprung apart before inserting the object to be clamped, meaning that the three legs are biased in a non-clamping position.
  • the clamp In the sprung apart configuration, there is no clamping applied to the object.
  • This has the advantage that the clamp can be arranged to clamp the object without dislocating and/or deforming the object prior to clamping while still providing a secure clamping once the clamp is correctly arranged on the object.
  • the user When an object is to be clamped in a device according to the present invention, it is arranged inside the cavity and the legs are pressed towards each other and the clamping beds hinder the object to move inside the gradually decreasing cavity.
  • the user has the advantage to ensure that the clamping force meets the requirements by applying the clamping force needed by hand to the second leg and the user is given a possibility to place the object to be clamped in the desired position prior to clamping .
  • the first embodiment of the present invention is useful for a number of medical uses where clamping of an object is required .
  • an object to be clamped is placed inside the cavity formed by the three legs 1, 2, 3.
  • the clamp is then gripped with the fingers and the first 1 and second 2 leg pressed together until the locking members 9, 10 engage and the abutment surface 16 is secured behind the dog 15.
  • FIGS 4 and 5 show a second embodiment of a clamp of the present invention.
  • the second embodiment is a clamp similar to the clamp described in the first embodiment and has a T-shaped rail 17 incorporating a flange 18 on the outer face of the first leg 1 and a rail 20 on the outer face of the second leg 2.
  • the second embodiment is preferably for use in a cutting and clamping device, but may also be used in a fashion similar to the clamp described in the first embodiment.
  • clamps may be moulded from a plastics material, such as, but not limited to, nylon.
  • a clamp of the invention as shown in figure 4 or 5 may be combined with a clamp holder 50 such as that shown in figure 7 and a second clamp 30 such as that shown in figures 8 and 9 to produce a cutting and clamping device as shown in figure 6.
  • the clamp of the present invention may however be used in any suitable device and its use is not limited to the hereinafter disclosed embodiment.
  • the first clamp 60 in the clamping and cutting device may be a clamp as described in the second embodiment.
  • the second clamp 30 in the clamping and cutting device is shown in figures 8 and 9 and comprises a first 31, a second 32 and a third leg 34, an elongated member 35 and a T-shaped rail 38 incorporating a flange 39 on the outer face of the first leg 31.
  • the first leg 31 of the second clamp 30 of the clamping and cutting device is attached to an end of the second leg 32 by a first resilient hinge 33 at one end of the first leg 31.
  • the first resilient hinge 33 allows for the second leg 32 to close against the first leg 31.
  • the elongated member 35 of the second clamp 30 extends in the direction of the first leg 31 and originates at the end of the first leg 31 that is opposite the first resilient hinge 33.
  • the elongated member 35 is capped by a pusher section 37 for engaging a thumb.
  • the third leg 34 of the second clamp 30 is attached to the first leg 31 between the first resilient hinge 33 and the elongated member 35 by a second resilient hinge 36.
  • the second resilient hinge 36 allows the third leg 34 to close on the first leg 31.
  • the three legs 31, 32, 34 of the second clamp 30 form a cavity capable of receiving an object to be clamped .
  • the first 31, second 32 and third 34 leg has clamping beds on their inner faces which may comprise one or more row(s) of teeth.
  • the clamp holder 50 comprises cutting means 42 and means 43, 44, 45, 46 for supporting said first and second clamps 30, 60 side by side with one another with said cutting means 42 between them and for guiding said clamps 30, 60 in a sliding movement within said clamp holder 50 to advance said cutting means 42 between said clamps to cut an object in use whilst compressing the legs of said clamps to clamp said object.
  • the means for support 43, 44, 45, 46 are slots into which the T-shaped rails 17, 38 and the rails 20, 40 on the second legs 2, 32 of the first 60 and second clamp 30 can slide into.
  • the device is assembled by passing the end of the T-shaped rail 39 closest to the first resilient hinge 33 of the second clamp 30 into the forward end of the T-shaped slot 46 of the clamp holder 50.
  • a tooth 41 on the second clamp 30 constitutes an abutment surface, which is adapted to engage behind an abutment surface in the slot 46 of the clamp holder 50, thus preventing the second clamp 30 from disengaging from the cutting and clamping device.
  • the first clamp 60 is assembled into the clamp holder 50 by passing the end of the T-shaped rail 17 closest to the first resilient hinge 8 into the mouth of the slot 44 of the clamp holder 50. The device is then ready for use.
  • clamps When the apparatus is fully assembled both clamps are open as shown in figure 6.
  • the device may be packaged in this form and may be supplied ready for use from the factory in which it is made.
  • the operator grips the device by placing the operators thumb against the pushing means 37 and placing the first and second fingers into the finger receiving passageways defined by the arcuate surfaces 47, 48.
  • the smooth underside of the clamp holder 50 is then placed against the surface of the stomach of a baby during delivery.
  • the umbilical cord is passed into the triangular cavities of the clamps by depressing the third legs 3, 34.
  • the third legs 3, 34 are automatically returned to their original positions by the hinges 11, 36.
  • the third legs are returned to their original positions the umbilical cord becomes trapped within the triangular cavities formed by legs 1, 2, 3 and 31, 32, 34, which ensures that the cord remains within the clamps during operation of the device.
  • the first clamp 60 is disengaged from the clamping and cutting device as it has slid out of the clamp holder 50 by moving past the cutting means 42.
  • the first clamp 60 remains closed due to the locking members 9, 10 and stays on the baby's umbilical cord stump.
  • the second clamp 30 remains closed in the clamp holder 50 thus clamping off the umbilical cord on the mother's side.
  • the clamps 30, 60 and the clamp holder 50 may all be made from different coloured materials.
  • all of the components except the cutting blade may be moulded in plastics such as nylon.

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Reproductive Health (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Clamps And Clips (AREA)

Abstract

La présente invention concerne une pince améliorée pour serrer un objet et destinée à être utilisée dans des dispositifs pour serrer et couper des objets, par exemple pour serrer et couper un cordon ombilical.
PCT/EP2017/075044 2016-10-13 2017-10-03 Pince améliorée destinée à être utilisée dans un dispositif de coupe et/ou en tant que pince autonome WO2018069087A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16193787 2016-10-13
EP16193787.5 2016-10-13

Publications (1)

Publication Number Publication Date
WO2018069087A1 true WO2018069087A1 (fr) 2018-04-19

Family

ID=57137907

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/075044 WO2018069087A1 (fr) 2016-10-13 2017-10-03 Pince améliorée destinée à être utilisée dans un dispositif de coupe et/ou en tant que pince autonome

Country Status (1)

Country Link
WO (1) WO2018069087A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766925A (en) * 1971-05-25 1973-10-23 Eljay Hospital Prod Corp Surgical clamp with cam-action lever
WO1995008953A1 (fr) 1993-09-30 1995-04-06 Per Baunsgaard Dispositif de serrage et de sectionnement d'un cordon ombilical et autre
US5667516A (en) * 1995-05-01 1997-09-16 Allen; Sean A. Mechanism for cutting an umbilical cord
US5725542A (en) * 1995-03-09 1998-03-10 Yoon; Inbae Multifunctional spring clips and cartridges and applicators therefor
WO1998044851A1 (fr) 1997-04-09 1998-10-15 Price Invena Aps Dispositif servant a serrer et a couper
US20020068946A1 (en) * 2000-12-06 2002-06-06 Kortenbach Juergen A. Apparatus for the endoluminal treatment of gastroesophageal reflux disease (GERD)
WO2015003845A1 (fr) 2013-07-12 2015-01-15 Price Invena Aps Pince améliorée à utiliser avec un dispositif de coupe

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766925A (en) * 1971-05-25 1973-10-23 Eljay Hospital Prod Corp Surgical clamp with cam-action lever
WO1995008953A1 (fr) 1993-09-30 1995-04-06 Per Baunsgaard Dispositif de serrage et de sectionnement d'un cordon ombilical et autre
US5725542A (en) * 1995-03-09 1998-03-10 Yoon; Inbae Multifunctional spring clips and cartridges and applicators therefor
US5667516A (en) * 1995-05-01 1997-09-16 Allen; Sean A. Mechanism for cutting an umbilical cord
WO1998044851A1 (fr) 1997-04-09 1998-10-15 Price Invena Aps Dispositif servant a serrer et a couper
US20020068946A1 (en) * 2000-12-06 2002-06-06 Kortenbach Juergen A. Apparatus for the endoluminal treatment of gastroesophageal reflux disease (GERD)
WO2015003845A1 (fr) 2013-07-12 2015-01-15 Price Invena Aps Pince améliorée à utiliser avec un dispositif de coupe

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