Chapter 490: New Torture Device, Invasive Blood Pressure Monitor!
"Magic arrays for asuring pressure? Of course, there are."
Mage Norwood and Aurora replied in unison. After exchanging glances, Norwood gestured for Aurora to speak first:
"Well, Aurora is the boss’s first mage follower and his schoolmate. It’s better he answers this kind of question—should there be a need for resources, it’s more convenient to get them from their own."
Seeing Norwood step back, Aurora, without hesitation, eagerly raised his hand, and a 【Silent Phantom】unfolded in the air, sketching out lines and curves:
"You know, our Energy Shaping branch studies force fields... Since we’re studying force fields, we definitely need to asure ’force’. That’s the configuration for it—"
Just a single configuration, with its lines, planes, and three-dinsional structures, was complex enough to dizzy one. Aurora casually pulled up a force field wall at the far end of the dining hall wall. Magic missiles, wind blades, and fiery rays took turns hitting it.
The force field wall imdiately popped up with readings.
"When making magic puppets or similar magical creations, this thing is also used. Etched onto a special magic plane, it displays the magnitude of the force." Mr. Norwood smoothly continued:
"The alchemy workshop sells finished components, and I happen to have stockpiled a few here. If sir needs them, I’ll bring them over after dinner."
Having ready-made components is best. After dinner, a group gathered in Garrett’s laboratory, watching him dismantle a syringe plunger, fill it with saline, and install the asured force field component on top of the syringe. He raised the dog’s leg and inserted a needle—
"It’s moving! It’s moving!"
The mages cheered:
"There’s really blood pressure!—Ah, it’s changing!"
Garrett carefully adjusted the dog’s leg height, ensuring the component and the laboratory table dog’s heart were at the sa level. The magic array shot out a light screen, with lines and numbers fluctuating non-stop—
"Look, the highest number, that’s the systolic pressure, and when it drops to the lowest, that’s the diastolic pressure," Garrett explained to Seraina, pointing at the light screen:
"As long as we find out the normal blood pressure values, then when soone is particularly irritated, dizzy, or when the weather suddenly turns cold, or a berserker rages, asuring the blood pressure will let us know by how much it’s exceeded. Or if the asurent shows too low, it could likely be excessive blood loss..."
"Fascinating! Let
try!"
Seraina pulled out the syringe, cast a healing spell, and grabbed a sheep. Garrett quickly stopped her:
"Wait! You can’t mix use the needles! Change it!"
"Eh, why not?"
"…You inserted it wrong... this is a vein, not an artery..."
"The angle of entry is wrong, you’ve pierced through the vein..."
"Too high! Lower it!"
Garrett guided patiently. Watching Seraina finally succeed in inserting the needle, and happily observing the waveforms, he took the opportunity to explain to Anita Winvey, who followed anxiously:
"Invasive blood pressure monitoring is a very useful clinical monitoring thod. Since you’ve chosen the path of a healer, you better learn it too. I’ll write up so operating guidelines later—Seraina, what are you doing?!"
Miss Silver Dragon pulled out the syringe, changed the needle, and stabbed it into her left wrist!
"I’m asuring my blood pressure..."
Seraina said innocently. Before she finished speaking, bright red blood surged out of the needle, spraying up to the top of the syringe…
With a few sizzling sounds, the stainless steel needle, glass syringe, and the silver-etched magic array on top…
All turned to ash, vanishing into thin air.
Girl, don’t you know how corrosive dragon blood is?
"Uh…"
Seraina sheepishly stuck out her tongue. Garrett couldn’t bear to mourn for his invasive blood pressure monitor, rushed over to press down on Seraina’s arm. One hand forcefully pressed to stop the bleeding, while the other hand conjured a healing spell, desperately pressing on the bleeding spot—
Anywhere else wouldn’t matter much, but this was an artery! Even a small hole, just by bandaging, cannot stop the bleeding; pressure must be applied!
Uh, although whether Silver Dragon, transford into an elf, maintained dragon blood strength and what exactly the vascular structure was like, Garrett wasn’t quite sure…
As soon as the white light fell, it was shrugged off. Seraina’s right thumb pressed against the middle of her left forearm, raised her arm, licked it back and forth twice. When she lowered her hand again, her wrist and arm were smooth and crystal clear, with no trace of blood, wounds, or subcutaneous bleeding.
Garrett: "…"
Alright, dragonkind, strong regenerative ability, capricious.
"Sorry for breaking your stuff…" Seraina squatted on the ground, poking through the ashes to ensure there was nothing worth salvaging, her face full of guilt, she looked left and right, her wrist flicked in the air, and a few gems clinked and fell:
"That, I’ll compensate… let’s make another one…"
"…Forget it, that thing needed modifying anyway." Garrett rubbed his temples, taking Seraina back to the laboratory, and then called for Aurora:
"Any way to change the readings? Convert the readings to milliters of rcury, uh, that is, equivalent to how many milliters of rcury column pressure? Add a few functions, like, recording the waveforms and numbers, maybe on a paper strip drawn out in real ti?"
Looking at these numbers is really annoying... If we don’t change it to milliters of rcury, or into pascals, it’s completely unusable!
The first request wasn’t hard, just required so asurent and tuning of the magic array, which Aurora eagerly took on, claiming he could handle it. As for the engraving components, as long as they contributed so money, naturally, soone could do it.
The latter wasn’t so easy:
"This real-ti recording, I rember high-order tower spirits can do it… like Mr. Gregory, or the Tower of Heaven’s tower spirit. Otherwise, ask MOSS?"
"MOSS can." The tower spirit’s monotone electronic voice tily interjected.
But tower spirits can’t be carried around everywhere. Garrett sighed, and Mr. Norwood tily asked:
"Then… are we still making rubber?"
Rember the order you placed for rubber before, it was for making this gadget. Now there’s a new plan, do we still make rubber?
After all, thousands of formulas, trying them one by one, is still pretty terrifying...
"Make it." Garrett sighed:
"Mr. Norwood, what I’m making now is an invasive blood pressure monitor, which needs to be inserted into a person’s artery; the one made with a rubber tube is a non-invasive blood pressure monitor, which doesn’t need to make an incision on the body, and can still asure. If you were the patient, would you prefer an incision on your body, or would you prefer being wrapped with a rubber airbag?"
That’s decisively choosing the airbag! Mage Norwood suddenly realized, rolled up his sleeves and went to work. Garrett promised him that the rubber product and patent, nominally, would be his to own, the paper published by him, and half the inco shared with him.
That’s 50%!
Living in the boss’s mage tower, spending the boss’s budget, working on the boss’s projects. Making sothing and still getting to split half the inco!
Where else could you find such a good boss?
Garrett’s developnt of the invasive blood pressure monitor went quite smoothly. Aurora spent three days recalibrating the rcury column pressure and comparing it with the readings on the magic array, tweaking the minutiae within the magic array.
Adjusting here, adjusting there, Garrett used a water column test, and finally, the readings were accurate. Next was—
"Animal experints are done, who to find for human experints?"
Garrett pondered. He had already tested it on himself: 110/78, quite healthy. But blood pressure is sothing that needs to be asured over a wide range, to establish a normal value range, one or two samples, even twenty or a couple hundred samples, are basically useless...
The hospital?
After being vandalized and robbed a while ago, the hospital business had recently beco sparse again, back to a deserted state.
The almshouse?
To test the new instrunt, just grab those poor people at the almshouse, poke each person’s artery. Garrett felt, he couldn’t do such a thing, better wait until Mr. Norwood’s rubber was ready.
While hesitating, Archmage Grom ca to see him, overjoyed at the new type of blood pressure monitor. Without a word, he snatched up the blood pressure monitor along with the components, and even the magic array diagrams, grabbing a bunch to take with him...
Three days later, beaming with joy, he ca over to boast to Garrett:
"Garrett! The thing you made is so useful! Rember the assassin we caught last ti? Whether the content of his confession was true, everyone was skeptical, but once your thing was stuck on him, guess what, he wavered!"
Garrett: ?? Wait, I didn’t make a torture device!
Even so, he was curious and followed Archmage Grom to see what was new. The high-level infiltrator caught by the council was always sent directly to the Tower of Heaven, suppressed by the magic array, and guarded by the tower spirit. The Enchantnt and Illusion departnts jointly interrogated, while the Prophecy departnt was responsible for
verifying the answers…
So, the whole scene was clean and not bloody. What Garrett saw was a thin man sitting on an iron chair, his whole body locked within a tal fra, with only half of his right arm exposed.
The right hand spread open, a needle inserted near the wrist, fresh blood entering the syringe, numbers on the light screen fluctuating continuously.
Facing him, an unknown mage sat upright, pointing at the light screen, intimidating the other:
"Look, your blood pressure is rising... you’re nervous! Being nervous ans, the content of your confession just now, definitely isn’t true!"
Garrett: !!!
Wait, this polygraph is too cruel! And continuously inserting like that, without heparin saline to rinse, the blood will quickly coagulate! What anticoagulant did you use? The Necromancer’s anticoagulant magic?
Also, relying solely on blood pressure, it’s not accurate!
He quietly retreated outside. Waiting for the interrogation mage to exit, he carefully suggested:
"That, actually, using ECGs, blood pressure monitors, and brainwave monitors together, would make lie detection more efficient... only I don’t have the data yet, still have to start from scratch…"
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