WO1995012368A1 - Connector for stopping bleeding from severed blood-vessels - Google Patents

Connector for stopping bleeding from severed blood-vessels Download PDF

Info

Publication number
WO1995012368A1
WO1995012368A1 PCT/FI1994/000497 FI9400497W WO9512368A1 WO 1995012368 A1 WO1995012368 A1 WO 1995012368A1 FI 9400497 W FI9400497 W FI 9400497W WO 9512368 A1 WO9512368 A1 WO 9512368A1
Authority
WO
WIPO (PCT)
Prior art keywords
blood
vessel
connecting portion
connector
severed
Prior art date
Application number
PCT/FI1994/000497
Other languages
French (fr)
Inventor
Ismo SYVÄNNE
Original Assignee
Kaupallisteollinen Is-Välitys Oy Lkv
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
Priority claimed from FI934886A external-priority patent/FI934886A0/en
Application filed by Kaupallisteollinen Is-Välitys Oy Lkv filed Critical Kaupallisteollinen Is-Välitys Oy Lkv
Priority to AU80631/94A priority Critical patent/AU8063194A/en
Publication of WO1995012368A1 publication Critical patent/WO1995012368A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • A61F2/06—Blood vessels
    • A61F2/064—Blood vessels with special features to facilitate anastomotic coupling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis

Definitions

  • the invention relates to a connector for stopping bleeding from severed blood-vessels.
  • the object of the present invention is to provide a connector for temporarily stopping bleeding from large severed blood-vessels and for maintaining the necessary circulation.
  • the connector according to the invention is characterized by comprising a resilient and flexible tubular portion, each end of said tubular portion being provided with a connecting portion which tapers towards its free end, said connector being intended to be inserted at both of its ends into the ends of a severed blood-vessel so as to form a uniform channel between the severed ends of the blood-vessel to allow blood to flow between them.
  • the connector which is to be positioned between the ends of a blood-vessel comprises a resilient and flexible tube each end of which is provided with a connecting portion which tapers towards its free end; the connecting portions can be inserted into each end of the severed blood-vessel so as to form a temporary channel between the ends of the blood-vessel.
  • the connecting portions comprise gripping means, which grip the injured part so that the connector remains in place until the patient is brought to medical treatment.
  • Figure 1 is a schematic view of the connector of the invention in a straight position
  • Figure 2 is a schematic view of the connector of the invention when bent into a loop
  • FIGS 3a and 3b illustrate other embodiments of the invention.
  • the connector shown in Figures 1 and 2 is formed from a resilient and flexible tubular portion 1, which is preferably a so-called accordion tube made from thin plastic or the like. In this way it is possible to provide a highly resilient and flexible tubular portion 1 the inside of which forms as large a channel as possible.
  • Both ends of the tubular portion 1 are provided with a connecting portion 2 which tapers towards its free end.
  • the connecting portion 2 is provided with gripping means 3.
  • a plurality of gripping means 3 are disposed around the connecting portion in two series in the longitudinal direction of the connecting part.
  • the connecting portion at its other end is inserted into the other end of the severed vessel in a corresponding manner, so deep that it remains tightly in place; blood starts to flow through the connector from one end of the vessel to the other, and circulation continues without substantial bleeding.
  • the connector After the connector has been inserted in place, the patient has a better chance to survive, and there is more time to take him to a hospital or the like, where a doctor may perform the surgical manipulations of the wound. It is self-evident that the connector should not be removed until it is possible to provide the necessary treatment.
  • the gripping means 3 should therefore be implemented so as to ensure a secure grip.
  • the gripping means 3 are barbed: they comprise a sharp barbed point 3a extending from the end of the connecting portion 2 towards the tubular portion 1. Once the connecting portion 2 is inserted into a vessel, the points 3a dig into the tissue, securing the connecting portion thereto. It is thus impossible to remove the connecting portion without violence; the connecting portion is therefore intended to be removed only by the attending doctor.
  • Figure 2 illustrates schematically how the connector of the invention can be bent into a loop, for example, to allow it to be suitably secured to the ends of a severed blood-vessel.
  • Such connectors may be manufactured in different sizes; the suitable connector is then selected according to the size of the damaged vessel.
  • Figures 3a and 3b illustrate two other embodiments of the invention; these embodiments differ in the shape of the connecting portion and in the gripping means.
  • Figure 3a shows one end of a connector where the connecting portion has an even outer surface.
  • a support portion 4 is provided behind the connecting portion 2; the support portion 4 may be a plate, a grate, or merely a rod-like object.
  • the support portion 4 is provided with gripping hooks 5 extending from the support portion 4 towards the tip of the connecting portion 2.
  • the connector is secured to a patient's tissue by hooks 5, which keep the connector stationary.
  • the connecting portion 2 must be tapered so that its narrow end can be inserted into a blood-vessel.
  • the connecting portion 2 may be conical or of some other shape.
  • the end of the connecting portion 2 which faces the tubular portion may be abrupt as illustrated in Figures 1 and 2, or it may be shaped differently.
  • the shape and structure of the tubular portion may vary.
  • the tubular portion is preferably made of a transparent material so that any air bubbles can be detected before the connector is secured to the blood-vessel.

Abstract

The connector is made from a resilient and flexible tubular portion (1), each end of said tubular portion (1) being provided with a connecting portion (2) which tapers towards its free end. The connecting portions (2) are intended to be inserted into the ends of a severed blood-vessel so as to form a channel between the ends of the blood-vessel to allow blood to flow between them.

Description

Connector for stopping bleeding from severed blood¬ vessels
The invention relates to a connector for stopping bleeding from severed blood-vessels.
When large blood-vessels are severed in accidents, the injured person usually dies, since bleeding cannot be properly stopped by normal means, and medical treatment is seldom immediately available. It is particularly problematic that the people on the scene do not usually know how to help.
To keep an injured person alive, it is absolutely crucial to stop bleeding, which is, however, rather difficult to do by merely closing the blood- vessel in question by pressing it. Moreover, closing a vessel from which blood wells out may damage the limbs or organs which no longer receive blood.
The object of the present invention is to provide a connector for temporarily stopping bleeding from large severed blood-vessels and for maintaining the necessary circulation. The connector according to the invention is characterized by comprising a resilient and flexible tubular portion, each end of said tubular portion being provided with a connecting portion which tapers towards its free end, said connector being intended to be inserted at both of its ends into the ends of a severed blood-vessel so as to form a uniform channel between the severed ends of the blood-vessel to allow blood to flow between them. An essential feature of the invention is that the connector which is to be positioned between the ends of a blood-vessel comprises a resilient and flexible tube each end of which is provided with a connecting portion which tapers towards its free end; the connecting portions can be inserted into each end of the severed blood-vessel so as to form a temporary channel between the ends of the blood-vessel. Another essential feature of the invention is that the connecting portions comprise gripping means, which grip the injured part so that the connector remains in place until the patient is brought to medical treatment.
In the following, the invention will be described more closely with reference to the accompanying drawings, in which Figure 1 is a schematic view of the connector of the invention in a straight position, and
Figure 2 is a schematic view of the connector of the invention when bent into a loop, and
Figures 3a and 3b illustrate other embodiments of the invention.
The connector shown in Figures 1 and 2 is formed from a resilient and flexible tubular portion 1, which is preferably a so-called accordion tube made from thin plastic or the like. In this way it is possible to provide a highly resilient and flexible tubular portion 1 the inside of which forms as large a channel as possible.
Both ends of the tubular portion 1 are provided with a connecting portion 2 which tapers towards its free end. The connecting portion 2 is provided with gripping means 3. In the case illustrated in the figures, a plurality of gripping means 3 are disposed around the connecting portion in two series in the longitudinal direction of the connecting part. When a person is injured in such a way that one of the large blood-vessels is severed, the connecting portion 2 of the connector is inserted at first into that end of the blood-vessel which bleeds more. The connecting portion is inserted so deep that the wedgelike, projecting gripping means 3 keep it stationary within the vessel. Thereafter blood is allowed to flow through the connector so that air is completely removed, whereby the risk of air bubbles is obviated. When the connector is full of blood, the connecting portion at its other end is inserted into the other end of the severed vessel in a corresponding manner, so deep that it remains tightly in place; blood starts to flow through the connector from one end of the vessel to the other, and circulation continues without substantial bleeding. After the connector has been inserted in place, the patient has a better chance to survive, and there is more time to take him to a hospital or the like, where a doctor may perform the surgical manipulations of the wound. It is self-evident that the connector should not be removed until it is possible to provide the necessary treatment. The gripping means 3 should therefore be implemented so as to ensure a secure grip. As can be seen from the figures, the gripping means 3 are barbed: they comprise a sharp barbed point 3a extending from the end of the connecting portion 2 towards the tubular portion 1. Once the connecting portion 2 is inserted into a vessel, the points 3a dig into the tissue, securing the connecting portion thereto. It is thus impossible to remove the connecting portion without violence; the connecting portion is therefore intended to be removed only by the attending doctor.
Figure 2 illustrates schematically how the connector of the invention can be bent into a loop, for example, to allow it to be suitably secured to the ends of a severed blood-vessel. Such connectors may be manufactured in different sizes; the suitable connector is then selected according to the size of the damaged vessel. Figures 3a and 3b illustrate two other embodiments of the invention; these embodiments differ in the shape of the connecting portion and in the gripping means. Figure 3a shows one end of a connector where the connecting portion has an even outer surface. To allow the connector to be secured to a patient's tissue, a support portion 4 is provided behind the connecting portion 2; the support portion 4 may be a plate, a grate, or merely a rod-like object. The support portion 4 is provided with gripping hooks 5 extending from the support portion 4 towards the tip of the connecting portion 2. According to this embodiment, the connector is secured to a patient's tissue by hooks 5, which keep the connector stationary. In the above and in the drawings, the invention is described merely by way of example; it is to be understood that the invention is by no means restricted to this example. The connecting portion 2 must be tapered so that its narrow end can be inserted into a blood-vessel. The connecting portion 2 may be conical or of some other shape. The end of the connecting portion 2 which faces the tubular portion may be abrupt as illustrated in Figures 1 and 2, or it may be shaped differently. The shape and structure of the tubular portion may vary. The tubular portion is preferably made of a transparent material so that any air bubbles can be detected before the connector is secured to the blood-vessel.

Claims

Claims
1. A connector for stopping bleeding from severed blood-vessels, c h a r a c t e r i z e d by comprising a resilient and flexible tubular portion (1), each end of said tubular portion (1) being provided with a connecting portion (2) which tapers towards its free end, said connector being intended to be inserted at both of its ends into the ends of a severed blood-vessel so as to form a uniform channel between the severed ends of the blood-vessel to allow blood to flow between them.
2. A connector according to claim 1, c h a r a c t e r i z e d by comprising gripping means (3) intended to dig into a patient's tissue when the connecting portion (2) is inserted into a blood-vessel to ensure that the connecting portion (2) remains stationary within the end of the blood-vessel.
3. A connector according to claim 2, c h a r a c t e r i z e d in that the gripping means are barbs disposed on the outer surface of the connecting portion (2), said barbs comprising a sharp point (3a) extending from the tip of the connecting portion (2) towards the tubular portion (1) so that when the connecting portion (2) is inserted into a blood- vessel, the points grip the inner surface of the blood¬ vessel.
4. A connector according to claim 2, c h a r a c t e r i z e d in that the gripping means are hooked elements mounted around the connecting portion (2) apart therefrom to grip the tissue surrounding the blood-vessel.
PCT/FI1994/000497 1993-11-04 1994-11-04 Connector for stopping bleeding from severed blood-vessels WO1995012368A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU80631/94A AU8063194A (en) 1993-11-04 1994-11-04 Connector for stopping bleeding from severed blood-vessels

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI934886 1993-11-04
FI934886A FI934886A0 (en) 1993-11-04 1993-11-04 Provisional risk assessment Foer engaongsbruk Foer hindrande av blodfoerlust foerorsakad av bristning av stora blod kaerl i olycksfall
FI943125 1994-06-29
FI943125A FI102146B (en) 1993-11-04 1994-06-29 Connector to prevent bleeding from broken blood vessels

Publications (1)

Publication Number Publication Date
WO1995012368A1 true WO1995012368A1 (en) 1995-05-11

Family

ID=26159608

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1994/000497 WO1995012368A1 (en) 1993-11-04 1994-11-04 Connector for stopping bleeding from severed blood-vessels

Country Status (3)

Country Link
AU (1) AU8063194A (en)
FI (1) FI102146B (en)
WO (1) WO1995012368A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10104806A1 (en) * 2001-01-26 2002-08-14 Univ Eberhard Karls Vessel prosthesis for humans or animals uses connector at main body sleeve end as flat and expanded sleeve joined by transition surface and pressed to vessel at connector by flexible encircling band.
WO2004045459A1 (en) * 2002-11-21 2004-06-03 G.A.M.A.-H.S. S.R.L. A device for anastomosis
US7013393B1 (en) 1999-12-21 2006-03-14 Pierre Stevens Universal intelligent card for secure access to system functions
EP1659985A2 (en) * 2003-08-11 2006-05-31 HDH Medical Ltd. Anastomosis system and method
US9180033B2 (en) 2012-11-20 2015-11-10 Indiana University Research And Technology Corp. Intravascular shunt for traumatized arteries

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221746A (en) * 1963-01-25 1965-12-07 Noble John William Surgical connecting device
US3683926A (en) * 1970-07-09 1972-08-15 Dainippon Pharmaceutical Co Tube for connecting blood vessels
US3938528A (en) * 1973-05-11 1976-02-17 Investors In Ventures, Inc. Implanting and splicing articles and methods for living beings
US5192289A (en) * 1989-03-09 1993-03-09 Avatar Design And Development, Inc. Anastomosis stent and stent selection system
DE4221087A1 (en) * 1992-06-26 1994-01-05 Gercke Hans Hermann Plastics hose shunt for medicinal use - comprises tensioned plastics hose in omega or spiral form having rounded conical tips on ends with circumferential grooves

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221746A (en) * 1963-01-25 1965-12-07 Noble John William Surgical connecting device
US3683926A (en) * 1970-07-09 1972-08-15 Dainippon Pharmaceutical Co Tube for connecting blood vessels
US3938528A (en) * 1973-05-11 1976-02-17 Investors In Ventures, Inc. Implanting and splicing articles and methods for living beings
US5192289A (en) * 1989-03-09 1993-03-09 Avatar Design And Development, Inc. Anastomosis stent and stent selection system
DE4221087A1 (en) * 1992-06-26 1994-01-05 Gercke Hans Hermann Plastics hose shunt for medicinal use - comprises tensioned plastics hose in omega or spiral form having rounded conical tips on ends with circumferential grooves

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7013393B1 (en) 1999-12-21 2006-03-14 Pierre Stevens Universal intelligent card for secure access to system functions
DE10104806A1 (en) * 2001-01-26 2002-08-14 Univ Eberhard Karls Vessel prosthesis for humans or animals uses connector at main body sleeve end as flat and expanded sleeve joined by transition surface and pressed to vessel at connector by flexible encircling band.
WO2004045459A1 (en) * 2002-11-21 2004-06-03 G.A.M.A.-H.S. S.R.L. A device for anastomosis
EP1659985A2 (en) * 2003-08-11 2006-05-31 HDH Medical Ltd. Anastomosis system and method
EP1659985A4 (en) * 2003-08-11 2007-06-13 Hdh Medical Ltd Anastomosis system and method
US8147501B2 (en) 2003-08-11 2012-04-03 Hdh Medical Ltd. Anastomosis method
US8361142B2 (en) 2003-08-11 2013-01-29 HDH Medical, Ltd. Docking head for connecting vascular device to a vessel
US8721710B2 (en) 2003-08-11 2014-05-13 Hdh Medical Ltd. Anastomosis system and method
US9180033B2 (en) 2012-11-20 2015-11-10 Indiana University Research And Technology Corp. Intravascular shunt for traumatized arteries
US9398965B2 (en) 2012-11-20 2016-07-26 Indiana University Research And Technology Corporation Intravascular shunt for traumatized arteries

Also Published As

Publication number Publication date
FI102146B1 (en) 1998-10-30
FI943125A (en) 1995-05-05
AU8063194A (en) 1995-05-23
FI943125A0 (en) 1994-06-29
FI102146B (en) 1998-10-30

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