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WO1993021868A1 - Dispositif d'etirage - Google Patents

Dispositif d'etirage Download PDF

Info

Publication number
WO1993021868A1
WO1993021868A1 PCT/AT1993/000070 AT9300070W WO9321868A1 WO 1993021868 A1 WO1993021868 A1 WO 1993021868A1 AT 9300070 W AT9300070 W AT 9300070W WO 9321868 A1 WO9321868 A1 WO 9321868A1
Authority
WO
WIPO (PCT)
Prior art keywords
suction
parts
stretching
stretching device
fastening
Prior art date
Application number
PCT/AT1993/000070
Other languages
German (de)
English (en)
Inventor
Mohamed Ibrahim Rasheed
Mohamed Shaban Mahmoud Negm
Original Assignee
Mohamed Ibrahim Rasheed
Mohamed Shaban Mahmoud Negm
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 Mohamed Ibrahim Rasheed, Mohamed Shaban Mahmoud Negm filed Critical Mohamed Ibrahim Rasheed
Priority to EP93908781A priority Critical patent/EP0591495A1/fr
Publication of WO1993021868A1 publication Critical patent/WO1993021868A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02—Stretching or bending or torsioning apparatus for exercising
    • A61H1/0218—Drawing-out devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices ; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. long-term immobilising or pressure directing devices for treating broken or deformed bones such as splints, casts or braces
    • A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
    • A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
    • A61F5/055—Cervical collars
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/30—Surgical pincettes, i.e. surgical tweezers without pivotal connections
    • A61B2017/306—Surgical pincettes, i.e. surgical tweezers without pivotal connections holding by means of suction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/1604—Head
    • A61H2201/1607—Holding means therefor

Definitions

  • the present invention relates to a device for transmitting forces exerted on one or more stretching devices, for example a cable, to body parts, for example for the extension and / or reduction of limbs or (for extension) the spine.
  • one or more stretching devices for example a cable
  • body parts for example for the extension and / or reduction of limbs or (for extension) the spine.
  • the extension or reposition after fractures of the bones is carried out in the longitudinal direction, usually with the help of bone nails which penetrate the bones transversely or, in the case of a vertebral injury, which penetrate the skull transversely, on which cable pulls and others Following train weights are attached.
  • This method apart from the disadvantage of the necessity of an operative intervention, infections always occur at the penetration or penetration point of the bone nail.
  • the tensile weight that can subsequently be used is very limited, since the adhesive strips must not adhere too firmly, since otherwise the patient's skin is injured.
  • each suction part also carrying at least one fastening part, via which fastening part each suction part is or can be connected to the stretching device (s).
  • a tensile force of up to about 200 N can be applied at an applied negative pressure, for example from about 0.7 to 0.75 bar, without injury to the skin of the patient, corresponding to a mass of about 20 kg exerting the pull , can be achieved, which is more than sufficient for an extension or reduction. Since the patient's skin is not injured when the suction device is attached, infections cannot occur.
  • a very quick application of the device according to the invention is possible, since the need for a surgical intervention, such as when attaching bone nails, is eliminated.
  • the device according to the invention can thus be attached within approximately 10 s. This also leads to the further advantage that, in the case of long extensions, the device can be changed quickly, for example when transferring or changing the position of patients.
  • stretching device is used in the singular in the following, a plurality of stretching devices should also (where appropriate) be considered to be included at the same time.
  • the suction part has a seal enclosing its suction space. This ensures an optimal and tight contact of the edge areas of the suction part against the patient's skin, so that a particularly effective transmission of traction is made possible.
  • the seal is formed by an elastic edge of the suction part.
  • the manufacture of the suction part in particular is considerably simplified, since there is no need to apply a separate seal afterwards.
  • the seal mentioned can be formed by one or more foam strips on the edge of the suction part. These foam strips ensure their cushioning effect despite being close to the patient's skin, a particularly gentle, pain-free sealing of the suction area.
  • the device according to the invention has at least two suction parts, the fastening parts of which are connected to one another via the body part, at least partially comprising connecting sections.
  • the application of the device is thereby considerably accelerated, since the device can be applied more quickly, particularly when used on one of the patient's extremities.
  • the use of at least two suction parts also substantially reduces the force to be applied to the skin surface per unit area.
  • the fastening parts are tubular and are arranged so as to be displaceable transversely to the connecting sections in openings provided in the connecting sections.
  • the displaceable arrangement of the fastening part and the suction part connected to it in the connecting section enables the device according to the invention to be put on easily and quickly, since the distance between the surface of the skin and the connecting section can be bridged immediately by displacing the tubular fastening part, the connecting section, which as Bearing part can be viewed, can also serve as a handle when putting on the device.
  • the tubular fastening part and the connection of the suction part for the vacuum source can also be combined into one unit.
  • the suction space is connected by line to the tubular fastening part, as a result of which the suction space is evacuated via the connection / tubular fastening part.
  • the stretching device can be connected to the fastening part either directly on the tubular fastening part, for example by means of a rope loop when using a cable, or expediently via the connecting sections, for example likewise by means of a rope loop or by means of a knot. It is also advantageous if the connecting sections have connecting parts for the stretching devices.
  • the stretching devices for example one or more cable pulls, are connected to these connecting parts.
  • the connecting parts for the stretching devices are guided in rails of the connecting sections and can be locked therein. This enables a continuous adjustment of the axis of the pulling direction by changing the points of application of the stretching devices on the connecting sections.
  • the locking or locking of the connecting parts for the stretching device in the rails can be e.g. with the help of clamping screws.
  • the connecting sections are anatomically at least approximately adapted to the body part to be encompassed. Such an adaptation enables the suction parts to be placed on the patient's body surface more securely and more quickly.
  • the connecting sections between (each) two suction parts each comprise the same segments of the circumference of the body part. This is particularly advantageous if the stretching device is directly connected to the fastening parts, since in this case the forces are uniformly applied to the patient's body surface.
  • the connecting sections together with the fastening parts can completely enclose the body part to form a ring, the ring being divided and having a hinge and a locking device.
  • the device according to the invention can be easily applied to the part of the patient to be treated.
  • the closing device is opened, the hinge is opened, the device divided in this way is placed around the part of the body to be treated and then closed again.
  • the suction part is designed in the form of a helmet and the fastening part has at least one connecting part for the stretching device.
  • Such a device is used in particular for extension and / or reduction after vertebral injuries, in which the application of force to the patient's head must take place.
  • the helmet forming the suction part which has a peripheral seal, can be made of a transparent plastic, e.g. PAN, be formed.
  • the stretching devices are preferably rigid and the length can be adjusted for extension and / or reduction.
  • the stretching devices can be designed, for example, in the form of threaded rods or bolts with thread sections at least at the ends, and the longitudinal adjustment of the stretching devices can be carried out by adjusting the nuts provided on these thread sections.
  • the connecting parts for the stretching devices and, if appropriate, also parts of the connecting sections rest on these nuts, and an exact and stepless adjustment of the stretching forces to be applied is possible.
  • Cuffs, bandages or the like are preferably provided to support the stretching devices.
  • This embodiment will be provided in particular if only low stretching forces are to be applied, or if another body part, for example the shoulder, can be used as an abutment for the stretching device.
  • at least one further suction part with connection for a vacuum source and at least one fastening part connected to this suction part for connection to the stretching device are provided to support the stretching device.
  • the devices used here to support the stretching devices can also be rigidly connected to one another by connecting sections, with the stretching devices then being supported by connecting parts provided on these connecting sections.
  • the stretching device preferably has at least one pressure cylinder.
  • This pressure cylinder can be actuated hydraulically or pneumatically, as a result of which the length adjustment required for extension and / or repositioning can be accomplished simply by pressure medium control.
  • the pressure cylinder or cylinders can be operated by negative pressure, the negative pressure preferably being able to be applied by means of the negative pressure source connected or connectable to the suction part.
  • the device according to the invention can thus be designed as a unit in this embodiment, the provision of additional pressure medium devices for longitudinal adjustment of the stretching device being avoided.
  • the stretching devices are designed telescopically.
  • magnetic fields formed by electromagnets are also conceivable, whereby magnetic fields generated in this way can serve several purposes.
  • an adjustable repulsive force can be provided, which can be used to extend and / or reduce the limb to be treated, while others the use of magnetic fields to accelerate healing in medicine has long been known. It is therefore quite conceivable that magnetic fields used for rejection also accelerate healing.
  • the length of the stretching devices can preferably be adjusted by means of one or more springs with adjustable spring force.
  • FIG. 1 shows a cross section through a device according to the invention
  • FIG. 2 shows a cross section through a preferred embodiment of the present invention, which has four suction parts which are connected to one another via connecting sections;
  • connection parts for the stretching devices in a rail on the connecting sections are a partial view of a possible arrangement of connection parts for the stretching devices in a rail on the connecting sections;
  • FIG. 3a shows a cross section through the connecting section of FIGS. 2 and 3;
  • FIG. 4 shows a view of a connecting part for the stretching device
  • Fig. 5 is a schematic view of an embodiment of the present invention, in which the suction part is helmet-shaped;
  • FIG. 6 shows a view of another embodiment together with a stretching device
  • Fig. 7 is a view of a further embodiment, wherein a stretching device designed as a pressure cylinder is shown partially in section.
  • the device 1 of FIG. 1 has a suction part 2 with a connection 3 penetrating the suction part 2 for a vacuum source (not shown) and a fastening part 4.
  • An eyelet 5 for connection to a stretching device (not shown) is arranged on this fastening part 4.
  • the edges of the suction part 2 are flattened for better contact with the body surface of the patient and form a seal 20. This results in a flat contact of the edge sections and an improved sealing of the suction space, i.e. the interior of the suction part 2.
  • FIG. 2 shows a currently particularly preferred embodiment of the device according to the invention, four suction parts 2 being connected to one another via their tubular fastening parts 6 by rigid connecting sections 8. Two mutually opposite connecting sections 8 are connected by a hinge 9 or a locking device 10, whereby the ring formed by the two connecting sections 8 can thus be opened and opened.
  • the four suction parts 2 can be connected to a suction source (not shown) by means of tubular fastening parts 6 and vacuum hoses 7 adjoining these fastening parts 6.
  • the tubular fastening parts 6 are arranged axially displaceably in openings 11 of the connecting sections 8, the cross section of the openings 11 being only minimally larger than the cross section of the tubular loading part 8. Attachment parts 6. This enables simple and safe adjustment of the suction parts 2, the tubular attachment parts 6 in the openings 11 also having a stable lateral hold.
  • connection parts 12 are not visible in FIG. 2, since they run in rails 13 on the underside of the connecting sections 8.
  • FIG. 3 shows a part of a connecting section 8 of the device of FIG. 2 with an inserted connecting part 12.
  • This connecting part 12 runs, as already mentioned, in a rail 13 provided in the connecting section 8 on its underside.
  • FIG 3a shows a cross section through the connecting section 8 of FIGS. 2 and 3 with the connecting part 12 inserted into the rail 13.
  • connection part 12 shows a side view of a connection part 12, this connection part 12 consisting of an eyelet 5 arranged on a base plate 15.
  • the base plate 15 is connected to a slide plate 17 via spacers 16.
  • the screw 14 screwed into a threaded bore 18 in the slide plate 17 is tightened, whereby the slide plate 17 is pressed against the base plate 15 and the intermediate sections of the rail
  • the spacer 16 serves as a guide in the rail 13.
  • the spacer 16 can also consist of wart-shaped or thorn-like projections of one of the two plates (for example the base plate 15), which projections then in corresponding recesses of the other The plate (eg the slide plate 17) protrude. This enables both the guidance and the fixing of the connecting part 12 in the rail 13.
  • the suction part (2 in FIG. 1) is designed as a helmet 19 which, for example, consists of transparent plastic material.
  • This helmet 19 delimits the suction space, which is formed by the inside of the helmet and in turn is also delimited by a seal 20 which seals the helmet 19 on the skull.
  • rails 13 are provided on the outside of the helmet 19 as a fastening part, in which connection pieces (not shown), e.g. Similar to the connecting pieces 12 of FIGS. 3 and 4, can be slidably provided for connection to stretching devices.
  • a connection 3 for a vacuum source is also provided on the helmet 19.
  • FIG. 6 shows a side view of part of the device from FIG. 2 together with the connected stretching device.
  • the stretching device is formed here by a rod 21 with a threaded section 22 which projects freely through the eyelet 5 of the connecting part 12.
  • the connecting part 12 in turn runs in a rail 13 on the outer circumference of the connecting sections 8.
  • the longitudinal adjustment of the stretching device is carried out by a nut 23 screwed onto the threaded section 22, on which the eyelet 5 of the connecting piece 12 and thus the device according to FIG. 2 rests.
  • the nut 23 By turning the nut 23, if appropriate, e.g. Conventional support of the rod 21 at its lower end (not shown) the device according to FIG. 2 can be adjusted in height.
  • Fig.- 7 shows a device similar to that of the ⁇ - Fig. 2 and 6, however, the support of the stretching device is carried out on a second, identically designed device.
  • the two ends of the stretching device which is formed in FIG. 7 by a pressure cylinder 24 with a piston 28 together with the associated piston rod 25, are supported in each case in connecting parts 12, these connecting parts 12 here in rails 13 on the outside of the connecting sections 8 are provided.
  • a support of the stretching device 24, 25 is additionally provided directly on the connecting sections 8 with the aid of a projection 26 on the piston rod 25 or a shoulder-shaped support 27 on the pressure cylinder 24.
  • the fastening part 4 being cylindrical and, when using a cable pull as a stretching device, its fastening directly by means of a cable loop can take place on the fastening part.
  • the tubular fastening parts 6 according to FIG. 2 can also form an angle different from 90 ° with the body surface of the patient, the inclination of the fastening parts 6 then expediently being directed away from the pulling direction.
  • the device according to the invention can also be made from a variety of materials, for example stainless steel, aluminum and / or plastic for e.g.
  • Fastening part, connecting section and connector, or natural rubber, synthetic elastomers and / or rubber derivatives for the suction part can be produced. If the device according to the invention is to be used several times, it is advisable to manufacture it from sterilizable material, while, owing to the simple structure and the low cost of the device, it can also be used only once and then disposed of.

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  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Rehabilitation Therapy (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Pain & Pain Management (AREA)
  • Epidemiology (AREA)
  • Nursing (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

L'invention concerne un dispositif visant à transmettre des forces appliquées par un ou plusieurs système(s) d'étirage, tel(s) qu'un câble, sur des parties du corps, par exemple pour étirer et/ou repositionner des membres. Ce dispositif comporte au moins une pièce d'aspiration (2) avec un raccordement (3) pour une source de vide et au moins une pièce de fixation (4) qui est reliée avec la ou les pièce(s) d'aspiration pour assurer le raccordement avec le(s) dispositif(s) d'étirage.
PCT/AT1993/000070 1992-04-24 1993-04-23 Dispositif d'etirage WO1993021868A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP93908781A EP0591495A1 (fr) 1992-04-24 1993-04-23 Dispositif d'etirage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT84892A AT398695B (de) 1992-04-24 1992-04-24 Streckvorrichtung
ATA848/92 1992-04-24

Publications (1)

Publication Number Publication Date
WO1993021868A1 true WO1993021868A1 (fr) 1993-11-11

Family

ID=3501175

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT1993/000070 WO1993021868A1 (fr) 1992-04-24 1993-04-23 Dispositif d'etirage

Country Status (4)

Country Link
EP (1) EP0591495A1 (fr)
AT (1) AT398695B (fr)
AU (1) AU3946393A (fr)
WO (1) WO1993021868A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1024205B (de) * 1953-12-12 1958-02-13 Lappe K G Geb Extensorartiges Geraet zum Recken der menschlichen Wirbelsaeule
US3847146A (en) * 1972-12-11 1974-11-12 W Cushman Therapeutic apparatus and method
EP0288424A1 (fr) * 1987-04-21 1988-10-26 Mecron Medizinische Produkte Gmbh Dispositif pour la fixation et/ou l'extension externes des vertèbres cervicales
WO1989006112A1 (fr) * 1987-12-29 1989-07-13 Menox Ab Dispositif d'aspiration obstetrical
WO1991016030A1 (fr) * 1990-04-26 1991-10-31 Ralph Robert Giarretto Procede de traitement sans medicaments de l'alopecie
US5092322A (en) * 1990-08-29 1992-03-03 Scott Berglin Patient-controlled traction device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1024205B (de) * 1953-12-12 1958-02-13 Lappe K G Geb Extensorartiges Geraet zum Recken der menschlichen Wirbelsaeule
US3847146A (en) * 1972-12-11 1974-11-12 W Cushman Therapeutic apparatus and method
EP0288424A1 (fr) * 1987-04-21 1988-10-26 Mecron Medizinische Produkte Gmbh Dispositif pour la fixation et/ou l'extension externes des vertèbres cervicales
WO1989006112A1 (fr) * 1987-12-29 1989-07-13 Menox Ab Dispositif d'aspiration obstetrical
WO1991016030A1 (fr) * 1990-04-26 1991-10-31 Ralph Robert Giarretto Procede de traitement sans medicaments de l'alopecie
US5092322A (en) * 1990-08-29 1992-03-03 Scott Berglin Patient-controlled traction device

Also Published As

Publication number Publication date
EP0591495A1 (fr) 1994-04-13
AT398695B (de) 1995-01-25
AU3946393A (en) 1993-11-29
ATA84892A (de) 1994-06-15

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