An anchor system 10 for securing a catheter to a patient may include an anchor pad 14, which may include a lower surface 16, an upper surface 18, and a window 20 extending through the anchor pad. The lower surface may include an adhesive layer 22 to adhere the anchor pad to skin of the patient. The upper surface may include a catheter securement mechanism 26. The window may provide access to the skin of the patient for application of a topical skin adhesive 27 at a catheter insertion site disposed within the window.