GB2063675A - Medical reinforcing material - Google Patents

Medical reinforcing material Download PDF

Info

Publication number
GB2063675A
GB2063675A GB8014521A GB8014521A GB2063675A GB 2063675 A GB2063675 A GB 2063675A GB 8014521 A GB8014521 A GB 8014521A GB 8014521 A GB8014521 A GB 8014521A GB 2063675 A GB2063675 A GB 2063675A
Authority
GB
United Kingdom
Prior art keywords
reinforcing material
tissue
suture
material according
tanning
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GB8014521A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MATSUDA IKA KOGYO
Original Assignee
MATSUDA IKA KOGYO
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 MATSUDA IKA KOGYO filed Critical MATSUDA IKA KOGYO
Publication of GB2063675A publication Critical patent/GB2063675A/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A61B2017/0406—Pledgets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A61B2017/0414—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors having a suture-receiving opening, e.g. lateral opening

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Rheumatology (AREA)
  • Materials For Medical Uses (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Prostheses (AREA)

Abstract

A material A for use in surgical stitching, repair or prosthesis is produced by tanning a biological tissue, and stabilizing the result in a preservatory solution or under dry conditions. The material A can be used to distribute load produced by sutures 1 in stitching tissue 2. The material may also be in tubular, patch or eyelet form. <IMAGE>

Description

SPECIFICATION Medical reinforcing material The present invention relates to a medical reinforc ing material, more particularly to a material which can reinforce or fill a weak portion, deformity or deficiency in biological tissues.
Conventionally, in order to reinforce or fill a tissue of a patient, one has used a woven fabric made of a synthetic fibre, or a biological tissue obtained from the patient himself or from a blood relative. The first of these sources has the advantage of availability, but the drawback that, because of structural differences from biological tissue, the two are generally incompatible, and the added fabric remains permanently as a foreign substance. Also, a graft rejection can occur. Although the natural materials involve lesser risks of graft rejection due to the similar tissue structure, they have the obvious drawback that availability is very limited. This invention can therefore provide a reinforcing material which is as available as an artificial reinforcing material, but which is compatible with biological tissue.
In one aspect of this invention, there is provided a medical reinforcing material prepared by subjecting to a tanning treatment an animal pericardium, fascia or dura mater or other biological tissue and then preserving the thus tanned tissue in a preservative solution or under dry conditions.
The biological tissue that can be used in the present invention, includes animal tissue which has a skin containing collagen as its principal constituent, for example the pericardium, fascia and dura mater of pigs. Unnecessary components such as proteins and fats are preferably removed from these biological tissues to leave collagen protein. The tissue is then subjected to a treatment employing a solution of an organic or inorganic compound (tanning agent) which is capable of modifying the collagen protein. After allowing the tissue to absorb the compound orto allow bonding with the collagen proteins, the tissue is made leather-like by subjecting it to a tanning treatment to render it less hydrophilic, and resistant to bacteria and enzymes, and to give it such a condition that its fibres will not stick or bond together even after drying.
A standard tanning treatment can be used, such as kaki-shibu (shibuol) tanning, oil-tanning and chromium tanning. It is preferable to select a tanning method most suited to the particular tissue used.
The material resulting from the tanning treatment is immersed in a preservative solution, for example of gluteraldehyde, or is preserved under dry conditions. The material may then be cut into the desired size and/or converted into the desired configuration.
The final material can be employed as surgical suture strings, as a reinforcing material for suture strings, as a filler for deficiency in biological tissues, or as artifical vessels.
The invention will now be further illustrated, by way of example, with reference to the accompanying drawings, in which: Figures 1 to 3 show reinforcing materials for surgi cal suture strings; Figure 4 shows a reinforcing material employed as a filler for a deficiency in a tissue; and Figure 5 depicts reinforcing material as an artificial vessel.
Figures 1,2 and 3 show the reinforcing material adapted to reinforce a surgical suture string (1). In Figure 1,the reinforcing material (A) is cut to a predetermined size and formed into a pipe-like configuration, through which a suture string (1) extends. In Figure 2, the reinforcing material (A) is cut to a predetermined size and formed into a pipe-like configuration, through which a suture string (1) extends. In Figure 2, the reinforcing material (A) is cut to a predetermined size and a pair of spaced holes is formed therethrough to form a double eyelet. A suture string (1) extends through the spaced holes. Figure 3 shows reinforcing materials (A, A) by means of which two severed biological tissues (2), (2') can be connected together.The reinforcing material (A) is cut to a size equivalent to the end portion of each of the biological tissues (2), (2'), through which end portion the suture string (1) extends. The reinforcing material (A) is then placed on each of the end portions and the tissues and their respective reinforcing materials (A) are stitched together by the suture string (1). In each of the applications depicted in Figures 1 to 3, the reinforcing material serves to protect the tissue from being cut by the suture string, and allows easy and reliable stitching.
Figure 4 shows a piece of reinforcing material (A) used to patch a deficiency (3) or opening in a tissue.
The reinforcing material (A) is cut into a size somewhat larger than the deficiency (3), and is placed over it. Thereafter, the reinforcing material (A) and the tissue are stitched together by the suture strings (1).
In Figure 5, the reinforcing material (A) is wound conically or cylindrically into a pipe-like shape to form an artificial vessel.
In each of these applications, the reinforcing material can exhibit excellent compatibility with human tissue, since it was prepared by tanning a biological or animal tissue.

Claims (7)

1. A material for use in surgical stitching, repair or prosthesis which comprises tanned biological tissue.
2. A material according to claim 1, which comprises tanned animal pericardium, fascia or dura mater.
3. A material according to claim 1 or claim 2, which has been stabilized in a preservatory solution or under dry conditions.
4. A material according to claim 3, in which the preservatory solution contains gluteraldehyde.
5. A material according to claim 1, substantially as herein described.
6. An artificial vessel, a suture, or a double eyelet or other load-distributo r for a suture, comprising a material according to any one of the preceding claims.
7. An artificial vessel, a suture, or a double eyelet or other load-distributor for a suture, according to claim 6, substantially as herein described with reference to the accompanying drawings.
GB8014521A 1979-11-26 1980-05-01 Medical reinforcing material Withdrawn GB2063675A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15316279A JPS5675152A (en) 1979-11-26 1979-11-26 Reinforcing material for medical treatment

Publications (1)

Publication Number Publication Date
GB2063675A true GB2063675A (en) 1981-06-10

Family

ID=15556390

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8014521A Withdrawn GB2063675A (en) 1979-11-26 1980-05-01 Medical reinforcing material

Country Status (4)

Country Link
JP (1) JPS5675152A (en)
DE (1) DE3008542A1 (en)
FR (1) FR2469927A1 (en)
GB (1) GB2063675A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985001651A1 (en) * 1983-10-20 1985-04-25 Vettivetpillai Ketharanathan Biomaterial
GB2175807A (en) * 1985-05-29 1986-12-10 American Hospital Supply Corp Flexible prostheses of predetermined shapes
EP0476956A1 (en) * 1990-09-18 1992-03-25 Femcare Limited Suture apparatus
EP0492172A1 (en) * 1990-12-24 1992-07-01 American Cyanamid Company Molded or extruded buttressing pledget
EP0577373A2 (en) * 1992-06-29 1994-01-05 Ethicon, Inc. Method and apparatus for achieving hemostasis along a staple line
US5549666A (en) * 1994-09-02 1996-08-27 Baxter International Inc. Natural tissue valve prostheses having variably complaint leaflets
EP0779793A1 (en) * 1994-08-10 1997-06-25 Segmed, Inc. Apparatus for reducing circumference of vascular structure
US5961539A (en) * 1997-01-17 1999-10-05 Segmed, Inc. Method and apparatus for sizing, stabilizing and/or reducing the circumference of an anatomical structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3835237C1 (en) * 1988-10-15 1989-12-28 B. Braun Melsungen Ag, 3508 Melsungen, De

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966401A (en) * 1974-07-01 1976-06-29 Hancock Laboratories Incorporated Preparing natural tissue for implantation so as to provide improved flexibility
DE2453363B2 (en) * 1974-11-11 1976-08-26 Solco Basel AG, Birsfelden (Schweiz) METHOD OF MANUFACTURING HETEROLOGICAL ARTERIAL TRANSPLANTS

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985001651A1 (en) * 1983-10-20 1985-04-25 Vettivetpillai Ketharanathan Biomaterial
US4681588A (en) * 1983-10-20 1987-07-21 Vettivetpillai Ketharanathan Biomaterial
GB2175807A (en) * 1985-05-29 1986-12-10 American Hospital Supply Corp Flexible prostheses of predetermined shapes
GB2175807B (en) * 1985-05-29 1989-09-06 American Hospital Supply Corp Flexible prostheses of predetermined shapes and process for making same
US5219359A (en) * 1990-09-18 1993-06-15 Femcare Limited Suture apparatus
EP0476956A1 (en) * 1990-09-18 1992-03-25 Femcare Limited Suture apparatus
EP0492172A1 (en) * 1990-12-24 1992-07-01 American Cyanamid Company Molded or extruded buttressing pledget
EP0577373A2 (en) * 1992-06-29 1994-01-05 Ethicon, Inc. Method and apparatus for achieving hemostasis along a staple line
EP0577373A3 (en) * 1992-06-29 1994-03-23 Ethicon Inc
EP0779793A1 (en) * 1994-08-10 1997-06-25 Segmed, Inc. Apparatus for reducing circumference of vascular structure
EP0779793A4 (en) * 1994-08-10 1998-04-22 Segmed Inc Northrup William F Apparatus for reducing circumference of vascular structure
US5549666A (en) * 1994-09-02 1996-08-27 Baxter International Inc. Natural tissue valve prostheses having variably complaint leaflets
US5769780A (en) * 1994-09-02 1998-06-23 Baxter International Inc. Method of manufacturing natural tissue valves having variably compliant leaflets
US5961539A (en) * 1997-01-17 1999-10-05 Segmed, Inc. Method and apparatus for sizing, stabilizing and/or reducing the circumference of an anatomical structure

Also Published As

Publication number Publication date
FR2469927A1 (en) 1981-05-29
DE3008542A1 (en) 1981-06-04
JPS5675152A (en) 1981-06-22

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)