US103027A - Improvement in sub-cutaneous exhauster - Google Patents

Description

` y of drawing makingpartof the same, in which- `practice of medical science in all sub-cutaneous op-v A tions of matter under the skin, and therebyT assisting Vheretofore employed.

the mattei' drawn iiitothe cylinder, whereby the latter emptied without the necessity of withdrawing the troi. necessary to introduce and withdraw thetrocar pipe l i a'iclng'for keeping up the vacuum in the cylinder for Hthematter collected under the skin is so thick that the end of its stroke, thus` continuing ,the

` long as may be necessary or desirable.

i plorations, `I t tothe end of pipe P a trocar pipe,

GEORGES DIEULAFOY, or Pianist France.

I Letters .Patent No. 103,02

7, dated Moy i7, 1870.

nvmnovmwem"` 1N SUB-GUTANEQUSEXHAUSTER tithe' Schedule referred to in these Letters Patent and making part of the same.

To all whom ttmty concern: y

Be it known that L Gnonons DIEULAFOY, of Paris, in theEmpire of France, have invented a Pneumatic Sub-cutaneous Exhaustemand do hereby declare that the following is a full, clear, and cxactdescription of the same, reference `being had to the annexed sheet Figure l is the .instrument which has been found to be a very important andvaluable assistant in the erations. l

This invention comprisesimportant improvements in instruments for detecting the character of collecthesurgeon to determine as to the usefulness of a more `important operation, and for the ,practice of local anasthesy more readily than bythe instruments The rst improvement consists iu providing the cylinder of the exhauster with an extra stop-cock and nozzle, to which apipe may be applied'for expelling is rendered 'capable of being alternately filled' and car pipe from the wound, and consequeutly'without pain to the patient, whereas, heretofore itl'ha-s been at each stroke ofthe piston, thereby causing, in some operations, several repetitions'of intense and increasing pain.

The second part lof 'my invention consists in pr any length of time., when, as is frequently the case,

its iiow is very slolw. To effect this,\a notch is ,made in the piston-rod, andla block adapted to engage the notch is fitted into the head` of the-cylinder, whereby, when the pistonlis -drawn back, it can be locked at `vacuum as A is a pump-barrel, of glass, to' which `are ttedat P and G, two short pipes, each provided with a stop- `cocltdesignated p and g, and terminatedby'a nozzle designated, P' and G', which allows ot' fixing thereto either a ti'ocar pipe, or any ordinary one.

In the case above allndedto, of sub-cutaneous cx- VM,.f1g. 2, of requisite length, (it will be observed that the ypipe-i fend is perforated with many holes, so as to avoid `obstruction)and after "the same is inserted in the part' to be explored, it 'will be only requisite next to multe a vacuum; or `partial vacuum,within the upon the part to be operated upon.

syringe by drawing out the piston B, by its rod 71, so

,as to draw the matter sought for, and examineit.

In case acontinuous operation becomes desirable,

I attach to the 'pipe end or nozzle G',ianother ordinary pipe end, and when the syringe-barrel is filled up with the matter to expel, I shut the cock p on pipe P, and opening thaton pipe G, and moving the piston B backward, the liquid is ejected, and th'us prepared to have the circle g on pipe G closed, andthe circlefp on pipe P opened again, ready to inspire or draw outa second charge of the purulent or-other matter, by further operation. j

`When the instrument is to be used'for local anesl4 thesy, I fit onv the pipe P a common pipe, care being had that the end thereof shall be pierced with one hole'as small as possible. The syringe is filled with ether, and the piston B is moved to expel the same The indispensable time necessary' for emptying the 'syringe ont on the parts to be treated shall be sut- `cient to produce complete anesthesy The piston-rod of the exhauster may be graduated It may with marks and figures, as will be obvious. also be` prepared by means of a thread and nut, E, so as to determine' its stroke, and thus serve to establish more positively a dosing or measure, either for ejecting or injecting purposes.

The vacuum obtained by the mere traction or pullingof the piston rod, must in some cases be kept up for a long period, to allow the thick Vmatter time to ow in slowly to fill it. To this end I provide in the 4lower part of the roda notch, C, and inA the lid or socket part of the pump-barrel, 1 fit a block, D. O o

Athe piston reaching the end of its stroke, it suices .to impart a slight rotary motion thereto for the said block D'coming to it into the notchG, and thus constitute a stop.

.Exhaustion is then /produced under the mere influence of atmospheric pressure, whether the object may be the introduction'ihto the pump-barrel of any subcutaneous liquid, or the injection of a medicamental one.

This instrument may be used alone, .in some cases, for discharging the entire' collection of mattei', without a further operation.

These various operations may take place without it being necessary to withdraw the trocar pipe from the wound, andconsequently without any pain to the patient, `which result is immense when we consider that such withdrawing was to be eiiected heretofore i at each operation `or part ofl the operation.

The form and dimensions of the constituent parts of my instrument maybe varied without departing from Athe nature of my invention, therefore I do not', conne myself to the precise details herein shown and described, but

What I do claim as new, :md'desire to secure by Let.-l tels Patent, is- Y 1.' A glass cylinder,A, closed al; the ends, and pro vided with a. plunger, B, and with' nozzles G P', and.

cocks G P, said nozzles being adapted to have applied to them trocar and other pipes, substantially as and for the purposes described.

2. The notch O in the piston-rod, and the block D int-he end of' the cylinder, so adapted to each lother as to retain the pist-on at the end of its-stroke, whererby the vacuum in the .cylinderis kept up,-snbs,tnn

, tially as and' for the purposeset forth.

DOCTEUR G. DIEULAFOY, [L s.]

Witnesses: Y l

` D. vRocrcrnNs'Jrnnr,

L. BARnoI/r.

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