EP0449934A1 - Device for providing intrapleural anesthesia - Google Patents

Device for providing intrapleural anesthesia

Info

Publication number
EP0449934A1
EP0449934A1 EP19900901072 EP90901072A EP0449934A1 EP 0449934 A1 EP0449934 A1 EP 0449934A1 EP 19900901072 EP19900901072 EP 19900901072 EP 90901072 A EP90901072 A EP 90901072A EP 0449934 A1 EP0449934 A1 EP 0449934A1
Authority
EP
European Patent Office
Prior art keywords
cannula
valve
outlet
inlet
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19900901072
Other languages
German (de)
English (en)
French (fr)
Inventor
Albert Broome
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
William Cook Europe ApS
Original Assignee
William Cook Europe ApS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by William Cook Europe ApS filed Critical William Cook Europe ApS
Publication of EP0449934A1 publication Critical patent/EP0449934A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3401—Puncturing needles for the peridural or subarachnoid space or the plexus, e.g. for anaesthesia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M19/00—Local anaesthesia; Hypothermia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/10—Trunk
    • A61M2210/101—Pleural cavity

Definitions

  • the object of the invention is to provide a device which appreciably facilitates insertion of the catheter in the pleura.
  • the device is characterised in that one end of a cannula is detachably connected with the first outlet of the valve, the cannula being formed with a longitudinal bore starting from that end of the cannula which is con ⁇ nected with the valve outlet, and ending in an opening in the lateral surface of the cannula, near the opposite end of said cannula; that the inlet of the valve is situated opposite the first outlet and connectible therewith by means of a substantially rectilinear through channel in the valve member, for introducing in the bore of the can- nula a catheter to be guided out through the lateral open ⁇ ing via an- inclined, concave wall; and that an ascending tube or the like is connected with the second outlet.
  • Fig. 1 shows one of many different known ways of de- tachably and sealingly connecting the cannula 18 with the outlet 12 of the valve 10.
  • the outlet 12 comprises a conical portion insertable in a corresponding opening in the end 19 of the cannula 18, the seal being established in that the -internal thread of a sleeve 17 rotatably ar- ranged on the outlet 12 engages with a flange 20 on the end of the cannula 18, such that, when the sleeve 17 is rotated, the conical portion of the outlet is pressed against the walls at the end of the cannula.
  • the ascending tube 16 which, in a suitable conventional manner, is at- tached to the second outlet 13, is made of plastic and has an approximate length of 7-8 cm.
  • the cannula 18 has a longitudinal bore 25 starting from the end 19 of the cannula, or alternatively from the opening in said end adapted to receive the conical portion 26 of the outlet 12, and extends through the cannula to a point near the opposite, free end 23 of the cannula, where it ends in a lateral opening 22.
  • the bore 25 is defined by a concave wall 24.
  • the end 23 of the cannula is round, while the wall 24 defining said opening is concave and in ⁇ clined forwards/outwards. As is plain from the following, both these distinctive features are important.
  • the device also comprises a catheter 27, preferably a so-called epidural catheter, of a commerically available type.
  • This catheter is made of a plastic material with suitable rigidity and has an outer diameter of about 1 mm.
  • the catheter 27 is intended to be conducted through the bore 25 of the cannula 18 and out through the outlet open ⁇ ing 22.
  • the valve member 14 has a straight, through opening connecting the inlet 11 with the outlet 12 in a rectilinear manner, such that the ca ⁇ theter 27 can be conducted along a substantially rectili ⁇ near path from the valve inlet 11, via the valve member 14, the valve outlet 12 and the cannula 18, all the way to the opening 22, where it is bent sideways when reaching the concave, inclined front wall 24, as illustrated in the drawings.
  • the device according to the invention is used in the following way for providing intrapleural anesthesia.
  • a tiny incision is made in the skin between the fourth and the eighth rib.
  • a suitable syringe whose outlet is connect ⁇ ible with the valve inlet 11, is filled with saline solu ⁇ tion or a local anesthetic.
  • the valve member is turned, by activation of the operating means 15, in such a manner that the inlet 11 is connected with the second outlet 13, and the content of the syringe is injected into the ascending tube 16 up to a predetermined level therein.
  • the catheter is, in a very simple and gentle manner, introduced in the pleural cavity, the risk of injuries to the lung, or of air entering the pleura, being minimal.
  • the cannula is carefully re ⁇ tracted, at the same time as the catheter 27 is held firm ⁇ ly so that it stays in place.
  • the cannula 18 and its ancil- lary parts can now be removed and the catheter 27 be fixed to the skin and connected to a supply of local anesthetic which then can be supplied continuously or intermittently.
  • the cannula described above and shown in the drawings is made of metal and in one piece.
  • An alternative embodi- ment is the two-part cannula shown in Fig.
EP19900901072 1988-12-20 1989-12-20 Device for providing intrapleural anesthesia Withdrawn EP0449934A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8804581A SE463013B (sv) 1988-12-20 1988-12-20 Anordning foer intrapleural anestesi
SE8804581 1988-12-20

Publications (1)

Publication Number Publication Date
EP0449934A1 true EP0449934A1 (en) 1991-10-09

Family

ID=20374280

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900901072 Withdrawn EP0449934A1 (en) 1988-12-20 1989-12-20 Device for providing intrapleural anesthesia

Country Status (4)

Country Link
EP (1) EP0449934A1 (sv)
DK (1) DK118691D0 (sv)
SE (1) SE463013B (sv)
WO (1) WO1990006783A1 (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9111097U1 (sv) * 1991-09-07 1993-01-14 Haindl, Hans, Dr.Med., 3015 Wennigsen, De
GB2268067B (en) * 1992-06-26 1996-12-18 Pharma Plast Limited Cholangiography catheter set
US5330488A (en) * 1993-03-23 1994-07-19 Goldrath Milton H Verres needle suturing kit
US5501691A (en) * 1993-03-23 1996-03-26 Goldrath; Milton H. Verres needle suturing device
ITFI20010220A1 (it) * 2001-11-22 2003-05-22 Me Tec S R L Idroidentificatore dello spazio peridurale

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2866453A (en) * 1957-05-29 1958-12-30 Warren R Jewett Direct reading hypodermic pressure indicating device
MX144149A (es) * 1976-04-28 1981-09-02 Kendall & Co Dispositivo mejorado para verificar la posicion de una aguja en el cuerpo de un paciente
DE3218242A1 (de) * 1982-05-14 1983-11-17 Heinrich 7716 Geisingen Pajunk Doppelkanuele fuer die peridural-anaesthesie
US4623335A (en) * 1985-10-09 1986-11-18 Anthony Jackson Apparatus and methods for detecting probe penetration of human internal target tissue having predetermined internal pressure
US4795446A (en) * 1986-01-30 1989-01-03 Sherwood Medical Company Medical tube device
DE3643235C1 (de) * 1986-12-18 1987-11-12 Braun Melsungen Ag Stahlkanuele fuer die Spinal- und Periduralanaesthesie

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9006783A1 *

Also Published As

Publication number Publication date
WO1990006783A1 (en) 1990-06-28
SE8804581L (sv) 1990-06-21
SE463013B (sv) 1990-10-01
SE8804581D0 (sv) 1988-12-20
DK118691A (da) 1991-06-19
DK118691D0 (da) 1991-06-19

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 19910617

AK Designated contracting states

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Effective date: 19940318

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18D Application deemed to be withdrawn

Effective date: 19940729