CH157182A - Process for the production of practically non-swellable and permanently antiseptic catgut. - Google Patents
Process for the production of practically non-swellable and permanently antiseptic catgut.Info
- Publication number
- CH157182A CH157182A CH157182DA CH157182A CH 157182 A CH157182 A CH 157182A CH 157182D A CH157182D A CH 157182DA CH 157182 A CH157182 A CH 157182A
- Authority
- CH
- Switzerland
- Prior art keywords
- catgut
- antiseptic
- production
- permanently
- swellable
- Prior art date
Links
- 239000002729 catgut Substances 0.000 title claims description 21
- 238000000034 method Methods 0.000 title claims description 8
- 230000002421 anti-septic effect Effects 0.000 title claims description 4
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 230000015556 catabolic process Effects 0.000 claims description 3
- 238000006731 degradation reaction Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 230000001476 alcoholic effect Effects 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- ZXJXZNDDNMQXFV-UHFFFAOYSA-M crystal violet Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1[C+](C=1C=CC(=CC=1)N(C)C)C1=CC=C(N(C)C)C=C1 ZXJXZNDDNMQXFV-UHFFFAOYSA-M 0.000 description 3
- 239000000645 desinfectant Substances 0.000 description 3
- FDZZZRQASAIRJF-UHFFFAOYSA-M malachite green Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](C)C)C=C1 FDZZZRQASAIRJF-UHFFFAOYSA-M 0.000 description 3
- 229940107698 malachite green Drugs 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 239000000944 linseed oil Substances 0.000 description 2
- 235000021388 linseed oil Nutrition 0.000 description 2
- 229920002258 tannic acid Polymers 0.000 description 2
- TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000001263 FEMA 3042 Substances 0.000 description 1
- 235000010654 Melissa officinalis Nutrition 0.000 description 1
- 244000062730 Melissa officinalis Species 0.000 description 1
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003260 anti-sepsis Effects 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000010685 fatty oil Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000865 liniment Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 1
- 229940033123 tannic acid Drugs 0.000 description 1
- 235000015523 tannic acid Nutrition 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 239000001648 tannin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Description
Verfahren zur Herstellung von praktisch unquellbarem und dauernd antiseptisch bleibendem Catgut. Bisher bekannte Catgutfabrikate werden bei ihrer Verwendung sofort von den Abbau faktoren des Körpers angegriffen, quellen sehr stark, verlängern und drehen sich dabei. Dadurch lockert sich der Nahtknoten und die Naht wird unzuverlässig. Die bisher da gegen empfohlenen Massnahmen, wie das Langlassen der Knotenenden oder Sicherung des Knotens durch Seide oder Zwicn sind unsicher und zweckwidrig. Auch die bisherige Behandlung des Catguts mit fetten Ölen, Balsam, Paraffin usw. hat den erwarteten Erfolg nicht gehabt.
Das so behandelte, in den Körper eingepflanzte Catgut quillt sehr stark, teilweise bis auf das Doppelte des Querschnittes und wird dadurch unzuverlässig.
Ferner besteht ein grosser Mangel der bisherigen Catgutarten darin, dass das zum Sterilisieren benutzte Desinfektionsmittel in den ersten 10-14 Tagen nach der Einpflan zung in den menschlichen Körper ausgelaugt wird. Zahlreiche Unglücksfälle in den letzten Jahren haben bewiesen, dass Catgut durch eine einmalige Desinfektion nicht absolut sicher sterilisiert werden kann.
Durch das Verfahren gemäss der Erfin dung wird bezweckt, den Catgutfaden in seinen äussersten Schichten so zu verändern, dass sie den Abbaumassnahmen des Körpers länger widerstehen,. als die innern Schichten, so dass eine Naht oder eine Unterbindung eine genügende Anzahl von Tagen zuverlässig hält, dann aber rasch verschwindet. Ferner wird gemäss dem Verfahren der Erfindung der Catgutfaden derart behandelt, dass er vor der Auslaugung geschützt ist und dadurch zum Beispiel die Erhaltung des Desinfektions mittels in dem Catgut bis zu seiner Resorp tion (Dauerantisepsis) garantiert ist.
Ganz geringe Mengen Desinfektionsstoff in Pro dukten des Verfahrens gemäss der Erfindung genügen, um ein Auskeimen von Bakterien zu verhindern, so dass eine Infektion durch derartiges eingepflanztes Catgut nicht zu er warten ist.
Das Verfahren gemäss der Erfindung zur Herstellung von schwer quellbarem, dauernd antiseptisch bleibendem Catgut ist dadurch gekennzeichnet, dass die äussersten Schichten des Catguts gehärtet werden, indem man auf das Catgut eine hochprozentig alkoholische Lösung eines Gerbstoffes (zum Beispiel Form aldehyd, Gerbsäure usw.) einwirken lässt und ferner die so erhaltenen Catgutfäden, um ihre Benetzbarkeit und Quellbarkeit zu vermin dern, längere Zeit in ein trocknendes Öl, wie Leinöl, Cottonöl usw. in kaltem oder ange wärmten Zustand einlegt.
Dabei wird grosser Wert auf die trocknende Eigenschaft dieser Öle gelegt, weil dann das Äussere des Fadens nicht schlüpfrig wird und auch in der Hand des Verbrauchers nicht gleitet.
Die trotz - dieser Nachbehandlung noch verbleibende praktisch bedeutungslose Quell- barkeit des Catguts ist die Folge einer Flüssigkeitsaufnahme zwischen die Catgut- fibrillen. Sie ist ebenso gering wie bei der Seide, welche als praktisch unquellbar be zeichnet wird. <I>Beispiel:</I> I. Vorsterilisation. Die Fäden werden in einer Lösung von 1 gr Jod, 10 gr Jodkali auf 100 gr destilierten Wassers vorsterilisiert und gedreht.
Il. Sie werden alsdann in Alkohol ge kocht, um das Jod zu entfernen.
IH. Hierauf werden sie in einer basischen Lösung von 0,5 gr Methylviolett und 0,5 gr Malachitgrün auf 100 gr schwacher Natron lauge (l/io Normal) behandelt.
IV. Die Weiterbehandlung erfolgt in einer Lösung von 0,5 gr Methylviolett und 0,5 gr Malachitgrün in 100 gr Alkohol (96 0/0), mehrfach wiederholt.
V. Dem letzten Alkoholbad werden ausser- dem 5 % Acidum tannicum oder Formaldehyd beigefügt.
VI. Zum Schluss werden die Fäden längere Zeit in eine Lösung von 0,5 gr Methylviolett und 0,5 gr Malachitgrün in 100 gr Oleum lini (Leinöl) eingelegt.
Process for the production of practically non-swellable and permanently antiseptic catgut. Catgut products known so far are attacked immediately by the degradation factors of the body when they are used, swell very strongly, lengthen and rotate in the process. This will loosen the seam knot and make the seam unreliable. The measures recommended up to now, such as leaving the knot ends long or securing the knot with silk or threads, are unsafe and inappropriate. Even the previous treatment of the catgut with fatty oils, balm, paraffin, etc., has not had the expected success.
The catgut that is treated in this way and implanted in the body swells very strongly, sometimes up to twice the cross-section, and thus becomes unreliable.
Furthermore, there is a major shortcoming of the previous types of catgut that the disinfectant used for sterilization is leached out in the first 10-14 days after implantation in the human body. Numerous accidents in recent years have shown that catgut cannot be sterilized absolutely safely with a single disinfection.
The aim of the method according to the invention is to change the catgut thread in its outermost layers so that they withstand the degradation measures of the body for longer. than the inner layers, so that a suture or ligature will reliably hold for a sufficient number of days, but then quickly disappear. Furthermore, according to the method of the invention, the catgut thread is treated in such a way that it is protected from leaching and thus, for example, the maintenance of the disinfectant in the catgut is guaranteed until it is resorbed (permanent antisepsis).
Very small amounts of disinfectant in products of the method according to the invention are sufficient to prevent bacteria from germinating, so that an infection from such planted catgut is not to be expected.
The method according to the invention for producing catgut which is difficult to swell and which remains permanently antiseptic is characterized in that the outermost layers of the catgut are hardened by acting on the catgut with a highly alcoholic solution of a tannin (for example formaldehyde, tannic acid, etc.) and furthermore the catgut threads thus obtained, in order to reduce their wettability and swellability, are placed in a drying oil such as linseed oil, cotton oil, etc. in a cold or warmed state for a long time.
Great importance is attached to the drying properties of these oils because then the outside of the thread does not become slippery and does not slide in the hand of the consumer.
The practically insignificant swellability of the catgut, which remains practically insignificant despite this after-treatment, is the result of an absorption of liquid between the catgut fibrils. It is just as low as with silk, which is described as practically non-swellable. <I> Example: </I> I. Pre-sterilization. The threads are pre-sterilized and twisted in a solution of 1 gram iodine, 10 gram potassium iodide in 100 gram distilled water.
Il. They are then boiled in alcohol to remove the iodine.
IH. They are then treated in a basic solution of 0.5 gram of methyl violet and 0.5 gram of malachite green in 100 gram of weak sodium hydroxide solution (1/10 normal).
IV. The further treatment takes place in a solution of 0.5 gram of methyl violet and 0.5 gram of malachite green in 100 gram alcohol (96 0/0), repeated several times.
V. 5% acidum tannicum or formaldehyde are also added to the final alcohol bath.
VI. Finally, the threads are placed in a solution of 0.5 g methyl violet and 0.5 g malachite green in 100 g oleum lini (linseed oil) for a long time.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE157182X | 1931-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH157182A true CH157182A (en) | 1932-09-15 |
Family
ID=5678415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH157182D CH157182A (en) | 1931-02-19 | 1931-06-19 | Process for the production of practically non-swellable and permanently antiseptic catgut. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH157182A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4745704A (en) * | 1987-04-08 | 1988-05-24 | Schaefer Lawrence J | Portable storage receptacle |
| US4765470A (en) * | 1985-12-05 | 1988-08-23 | William Curci | Fishing tackle box |
-
1931
- 1931-06-19 CH CH157182D patent/CH157182A/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4765470A (en) * | 1985-12-05 | 1988-08-23 | William Curci | Fishing tackle box |
| US4745704A (en) * | 1987-04-08 | 1988-05-24 | Schaefer Lawrence J | Portable storage receptacle |
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