Surgery – Instruments – Surgical mesh – connector – clip – clamp or band
Patent
1999-02-10
2000-12-05
Jackson, Gary
Surgery
Instruments
Surgical mesh, connector, clip, clamp or band
604 27, 604 36, 604158, 604171, 604264, A61B 1700
Patent
active
061560456
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to an instrument for the application of a surgical material. The instrument has been developed for use in surgery, especially in the so-called minimally invasive surgery, and is suitable for use in connection with an application of a surgical material such as, e.g., a wound-healing material or a material adapted for stopping or reducing bleeding during or after an operation.
As indicated above, an instrument according to the present invention is intended for use in any kind of surgery involving application of a surgical material. However, the instrument has been developed especially with the aim of developing an instrument which also is suitable for use in minimally invasive surgery. The concept "minimally invasive surgery" was originally named by Wickham in 1987 and means that ordinary, conventional operation is performed through small orifices. The term "minimally access surgery" has also been used for minimally invasive surgery, since the orifice is indeed minimal, however, the actual operation naturally corresponds to the ordinary operation method.
Minimally invasion in the human body has been a research object for many decades. The invention of simple optical instruments considerably improved diagnosis of disorders related to internal parts of the body. In the beginning of the 50s, the optical instruments were markedly improved by means of new rod lens systems and formed the basis for the development of endoscopic methods. In particular, endoscopy is suitable for use in nearly every medical speciality such as, e.g., in internal medicine, gynaecology, urology, neurosurgery, ORL (oto-rhino-laryngology) and surgery.
In terms of surgical intervention in a body cavity, minimally invasive procedure means that the body cavity in question, e.g. the chest or the abdominal cavity, is opened via a trocar and a lens is introduced. The same applies to thoracoscopy or laparoscopy. Depending on the necessary tools, trocars can have different diameters. For the time being 1.7 mm, 3, 5, 8 and 10/12 mm are the most common. Over the past years, the tendency to minimize the diameter of the trocars has progressed so that today many operations are partly performed by means of so-called "needle instruments" with a diameter of 1.7 mm.
The tools used in conventional surgery have been "transferred" to the minimally invasive surgery techniques. All ordinary forceps, clips or scissors can be obtained as corresponding long-handled instruments. Also high-frequency coagulation, laser and clip sewing instruments (staplers) have been tailor-made for the minimally invasive surgery.
An important tool in the minimally invasive surgery is also fibrin adhesives which are important for tissue management. For the application of such adhesives, rigid and flexible double lumen hollow needles were developed by the present inventors for liquid adhesion. As something new, spray adhesion is also possible in minimally invasive surgery. A very advantageous surgical material for use in traditional surgery as well as in minimally invasive surgery is a material called TachoComb.RTM. which is manufactured by Nycomed Austria GmbH and which is a fibrin glue-impregnated fleece (BP-B-0 059 265). After introducing TachoComb.RTM. material into conventional surgery, the use of this important contribution to surface management also in the field of minimally invasive surgery has turned out to be most helpful. As minimally invasive surgery stitching methods are very costly and often do not meet the surgical requirements, the particular properties of a fleece-adhesive like TachoComb.RTM. seem to be very advantageous in the field of minimally invasive surgery TachoComb.RTM. has indeed proved to be a very useful and beneficial tool in any kind of surgical intervention. Tests concerning liquid adhesion employed in minimally invasive surgery have shown that with regard to capacity, indication width, and reliability, the advantages of a fleece-bound fibrin adhesive have been far from reached. In minimally inva
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Carbon Roman
Ulbrich Wolfgang
Jackson Gary
Nycomed Arzneinittel GmbH
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