יג מִי שֶׁיֵּשׁ לוֹ נֶקֶב בַּזְּרוֹעַ שֶׁקּוֹרִין "אַפְטוֹרָא" (פונטינעללע, אימפעראטור), אִם נִסְתַּם הַנֶּקֶב קְצָת, אָסוּר לִתֵּן לְתוֹכוֹ קִטְנִית שֶׁיִּפָּתֵח, דְּהָא כַּוָּנָתוֹ שֶׁיִּשָׁאֵר פָּתוּחַ. וּרְטִיָּה (שֶׁנַּעֲשֵׂית מֵאֶתְמוֹל) מֻתָּר לִתֵּן עַל הָאַפְטוֹרָא שֶׁהִיא רַק לְשָׁמְרוֹ. אַךְ אִם יוֹדֵעַ שֶׁהָרְטִיָּה מוֹצִיאָה לֵחָה אוֹ דָּם, אָסוּר. וְכֵן אִם בָּא לְקַנְּחָהּ, אִם יוֹדֵעַ שֶׁעַל יְדֵי הַקִּנּוּחַ יֵצֵא דָם אוֹ לֵחָה, אָסוּר לְקַנְּחָהּ, (וְלֹא דָּמִי לְפוֹתֵחַ מֻרְסָא, דְּהָתָם בְּמֻרְסָא, הַלֵּחָה וְהַדָּם כָּנוּס וְעוֹמֵד בִּפְנֵי עַצְמוֹ וְאֵינוֹ עוֹשֶׂה חַבּוּרָה. אֲבָל כָּאן שֶׁהַלֵּחָה וְהַדָּם מֻבְלָעִים בַּבָּשָׂר, אִם מוֹצִיאָם עוֹשֶׂה חַבּוּרָה).
13 If you have an incision on the arm, commonly referred to as "aftora" aperture and the opening has closed slightly, you may not insert a legume [for the purpose] of reopening it, because it is your intention that it remain open. A dressing (that was prepared yesterday) may be applied to the incision, because it is only to protect [the wound]. However, if you know that the dressing draws pus or blood, it is forbidden. Similarly, if you intend to wipe it [and] you know that [as a result] of wiping, blood or pus will be drawn out it is forbidden to wipe it. (This is not comparable to puncturing an abscess, because where the abscess is concerned, the pus and blood have accumulated in one spot and exist separately, and draining them is not considered making a wound, whereas in this situation where the pus and blood are still absorbed throughout the flesh, if you drain them you are [in effect] making a wound.)