The phrase "a better purchase" is correct and usable in written English.
It can be used when comparing the value or quality of different items or options available for buying.
Example: "After researching various brands, I concluded that this model is a better purchase than the others."
Alternatives: "a wiser investment" or "a more advantageous buy".
Typically, one puts down a deposit on a unit less than that required by normal buyers, and also gets a better purchase price.
It is the only stand-alone network drive to work with Time Machine, so it is a better purchase for homes with multiple Macs.
Lee Ranaldo, a rugged kid from Long Island with a shaggy hair style, stood stage right, whipping his guitar through the air, now and then crouching to get a better purchase on it.
This argument (made by many posters) assumes that when science "changes its mind," it is because more precise and powerful techniques have given it a better purchase on the world it had previously perceived only dimly ("Now we see through a glass darkly").
The more experienced student will gain a better purchase on this line by calling to mind the last phrases of Andrew Marvell's "The Garden": "annihilating all that's made/ To a green thought, In a green shade". The "sea-green shadow" and the "green shade" certainly seem akin, especially where both poems are dealing with a world of thought and dream.
With this in mind, the cost involved with the inspection, refurbishment and warranty of a certified pre-owned vehicle may add up to a better purchase package than buying a brand new car.
The proximal femoral nail antirotation (PFNA®), designed by AO, is an intramedullary device with a helical blade rather than a screw for better purchase in the femoral head and was tested in a clinical study.
Since increasing a pedicle screw's diameter in an attempt to achieve better purchase will also increase the likelihood of pedicle fracture [ 40, 43], screws allowing their insertion into the pedicle and vertebral body in a similar fashion to that of standard cylindrical screws but expanding distally after their insertion were developed [ 12, 18, 21, 22, 40– 40].
In 1969 he created a new curved ice ax, the Piolet, which gave climbers better purchase, say, on the smooth surface of a frozen waterfall.
Reaming also increases the length of the isthmus providing a better endosteal purchase of the new nail.
Placing screws in the pedicles provides a better bony purchase compared to other techniques of spine fixation, leading to higher biomechanical stability [3, 4].
