CH543881A - Shoulder joint head prosthesis - Google Patents

Shoulder joint head prosthesis

Info

Publication number
CH543881A
CH543881A CH1538371A CH1538371A CH543881A CH 543881 A CH543881 A CH 543881A CH 1538371 A CH1538371 A CH 1538371A CH 1538371 A CH1538371 A CH 1538371A CH 543881 A CH543881 A CH 543881A
Authority
CH
Switzerland
Prior art keywords
head
shoulder joint
shaft
intermediate piece
joint head
Prior art date
Application number
CH1538371A
Other languages
German (de)
Inventor
Mathys Robert
Original Assignee
Mathys Robert
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 Mathys Robert filed Critical Mathys Robert
Priority to CH1538371A priority Critical patent/CH543881A/en
Priority to DE19717146082D priority patent/DE7146082U/en
Priority to DE19727237930 priority patent/DE7237930U/en
Publication of CH543881A publication Critical patent/CH543881A/en

Links

Classifications

    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/40—Joints for shoulders
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/40—Joints for shoulders
    • A61F2/4059—Humeral shafts
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/3011—Cross-sections or two-dimensional shapes
    • A61F2002/30159—Concave polygonal shapes
    • A61F2002/30179—X-shaped
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30772—Apertures or holes, e.g. of circular cross section
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30795—Blind bores, e.g. of circular cross-section
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/3082—Grooves
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/40—Joints for shoulders
    • A61F2/4014—Humeral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic humeral shafts
    • A61F2002/4018—Heads or epiphyseal parts of humerus
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/40—Joints for shoulders
    • A61F2/4059—Humeral shafts
    • A61F2002/4062—Proximal or metaphyseal parts of shafts
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0028—Shapes in the form of latin or greek characters
    • A61F2230/0058—X-shaped

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Description

  

  
 



   Bis jetzt sind Fingergelenkprothesen zum Ersatz des Fin gergelenkes bekannt. Des weitern benützt man Hüftgelenk prothesen mit einem Gelenkkopf und einem gekrümmten
Stiel zum Ersatz des Hüftgelenkkopfes, wobei als Gegenstück entweder die natürliche oder auch die künstliche Gelenk pfanne dient.



   Es ist nun gefunden worden, dass sich auch andere   Gelenk-    prothesen mit einem Kopf, einem Zwischenstück und einem
Schaft verwenden lassen, und zwar für den Ersatz des Schul tergelenkkopfes. Gegenstand der vorliegenden Erfindung ist daher eine Prothese, die dadurch gekennzeichnet ist, dass das
Zwischenstück durch einen konischen und einen zylindrischen oder ebenfalls konischen Abschnitt gebildet wird, deren Achsen miteinander einen Winkel von etwa   165    bilden und wobei der eine Abschnitt mit dem Kopf koaxial und der andere, der als Fortsatz des Oberarmknochens zu dienen hat, mit dem in die ausgebohrte Markhöhle dieses Knochens einzustecken bestimmten, geraden Schaft koaxial verläuft, und dass die Prothese aus armiertem Kunststoff besteht, wobei ihre Elastizität der Elastizität des Oberarmknochens entspricht.



   Nachfolgend wird anhand der beiliegenden Zeichnung ein Ausführungsbeispiel der Erfindung beschrieben. In der Zeich nung zeigt: die Fig. 1 eine in einen Oberarm eingesetzte Prothese in
Vorderansicht, die Fig. 2 einen Teil der Prothese in Seitenansicht und die Fig. 3 einen Schnitt nach der Linie III-III der Fig. 2.



   Die dargestellte Prothese besteht im wesentlichen aus drei
Teilen, dem Kopf 1, dem Zwischenstück 2 und dem Schaft 3.



   Das Zwischenstück weist zwei konische Abschnitte 21 und 22 auf, deren Achsen miteinander einen Winkel von etwa   1650    bilden und wobei der Abschnitt 21 mit dem Kopf 1 koaxial und der Abschnitt 22 mit dem gerade ausgebildeten Stiel oder Schaft koaxial verläuft. Während der Stiel 3 dazu bestimmt ist, in die ausgebohrte Markhöhle 41 eines Oberarmknochens 4 eingesteckt zu werden, soll das Mittelstück 2 die Fortsetzung dieses Oberarmknochens bilden. Es ist daher die Oberfläche des Schaftes mit Längskerben 31 und Ringnuten 32 versehen, in die die Knochensubstanz hineinwachsen kann, um sich mit der Prothese fest zu verbinden. Im Unterschied dazu weist das Zwischenstück 2 Unebenheiten 23 auf, die zum Fixieren der Weichteile dienen.

   Der Kopf 1 ist mit vier Bohrungen 11, 12,
13 und 14 versehen, die im Kopfinneren zusammenlaufen und die sich zum Vernähen und Verknoten der Muskeln ver wenden lassen.



   Die Prothese besteht im wesentlichen aus gewebeverträg lichem Kunststoff, beispielsweise einem Acetalharz, und weist eine als Armierung dienende Metalleinlage 5 auf, deren ha kenförmiger Teil 51 im Kopf 1 und deren gerader Teil 52 im
Zwischenstück 2 und einem Teil des Schaftes 3 untergebracht ist, während das untere Ende des Schaftes 3 einlagefrei ist, damit sich dort eine Schraube 6 hindurchstecken lässt, die die Prothese am Knochen im wesentlichen gegen eine Rotation sichert, solange sie noch nicht hinreichend eingewachsen ist. 



  
 



   Until now, finger joint prostheses are known to replace the finger joint. Furthermore, hip joint prostheses with a joint head and a curved one are used
Handle to replace the femoral head, with either the natural or the artificial socket serving as a counterpart.



   It has now been found that other joint prostheses with a head, an intermediate piece and a
Let the shaft be used to replace the shoulder joint head. The present invention is therefore a prosthesis which is characterized in that the
Intermediate piece is formed by a conical and a cylindrical or also conical section, the axes of which form an angle of about 165 with each other and wherein the one section is coaxial with the head and the other, which has to serve as an extension of the humerus, with the one drilled into the To insert the medullary cavity of this bone, the straight shaft runs coaxially, and that the prosthesis consists of reinforced plastic, its elasticity corresponding to the elasticity of the humerus.



   An exemplary embodiment of the invention is described below with reference to the accompanying drawing. In the drawing shows: Fig. 1 shows a prosthesis inserted into an upper arm in
Front view, FIG. 2 a part of the prosthesis in side view and FIG. 3 a section along the line III-III in FIG. 2.



   The prosthesis shown consists essentially of three
Parts, the head 1, the intermediate piece 2 and the shaft 3.



   The intermediate piece has two conical sections 21 and 22, the axes of which form an angle of approximately 1650 with one another and wherein the section 21 runs coaxially with the head 1 and the section 22 runs coaxially with the straight handle or shaft. While the stem 3 is intended to be inserted into the drilled out medullary cavity 41 of a humerus 4, the middle piece 2 is intended to form the continuation of this humerus. The surface of the shaft is therefore provided with longitudinal notches 31 and annular grooves 32 into which the bone substance can grow in order to connect firmly to the prosthesis. In contrast to this, the intermediate piece 2 has irregularities 23 which are used to fix the soft tissues.

   The head 1 has four bores 11, 12,
13 and 14, which converge inside the head and which can be used to sew and knot the muscles.



   The prosthesis consists essentially of tissue-compatible plastic, for example an acetal resin, and has a metal insert 5 serving as reinforcement, the ha ken-shaped part 51 in the head 1 and the straight part 52 in the
Intermediate piece 2 and a part of the shaft 3 is accommodated, while the lower end of the shaft 3 is free of liner so that a screw 6 can be inserted through it, which essentially prevents the prosthesis from rotating on the bone as long as it has not yet grown sufficiently.

Claims (1)

PATENTANSPRUCH PATENT CLAIM Schultergelenkkopfprothese mit einem Kopf, einem Zwischenstück und einem Schaft, dadurch gekennzeichnet, dass das Zwischenstück durch einen konischen und einen zylindrischen oder ebenfalls konischen Abschnitt gebildet wird, deren Achsen miteinander einen Winkel von etwa 1650 bilden und wobei der eine Abschnitt mit dem Kopf koaxial und der andere, der als Fortsatz des Oberarmknochens zu dienen hat, mit dem in die ausgebohrte Markhöhle dieses Knochens einzustecken bestimmten, geraden Schaft koaxial verläuft, und dass die Prothese aus armiertem Kunststoff besteht, wobei ihre Elastizität der Elastizität des Oberarmknochens entspricht. Shoulder joint head prosthesis with a head, an intermediate piece and a shaft, characterized in that the intermediate piece is formed by a conical and a cylindrical or also conical section, the axes of which form an angle of approximately 1650 with each other and wherein the one section is coaxial with the head and the other, which has to serve as an extension of the humerus, is coaxial with the straight shaft intended to be inserted into the drilled medullary cavity of this bone, and that the prosthesis is made of reinforced plastic, its elasticity corresponding to the elasticity of the humerus. UNTERANSPRÜCHE 1. Schultergelenkkopfprothese nach Patentanspruch, da durch gekennzeichnet, dass die Armierung durch eine haken förmige Metalleinlage gebildet wird, mit einem bogenförmigen Teil im Kopf und einem geraden Teil im Zwischenstück und einem Teil des Schaftes. SUBCLAIMS 1. Shoulder joint head prosthesis according to claim, characterized in that the reinforcement is formed by a hook-shaped metal insert, with an arcuate one Part in the head and a straight part in the intermediate piece and part of the shaft. 2. Schultergelenkkopfprothese nach Patentanspruch, dadurch gekennzeichnet, dass der Kopf mindestens drei im Kopfinneren zusammenlaufende Bohrungen aufweist, die zur Aufnahme von Muskelenden bestimmt sind. 2. Shoulder joint head prosthesis according to claim, characterized in that the head has at least three bores converging inside the head, which are intended to receive muscle ends. 3. Schultergelenkkopfprothese nach Patentanspruch, dadurch gekennzeichnet, dass der Schaft mit Längskerben und Ringnuten versehen ist, in die die Knochensubstanz hineinwachsen kann, während das Zwischenstück Unebenheiten zum Fixieren der Weichteile aufweist. 3. Shoulder joint head prosthesis according to claim, characterized in that the shaft is provided with longitudinal notches and annular grooves into which the bone substance can grow, while the intermediate piece has bumps for fixing the soft tissues.
CH1538371A 1971-10-21 1971-10-21 Shoulder joint head prosthesis CH543881A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH1538371A CH543881A (en) 1971-10-21 1971-10-21 Shoulder joint head prosthesis
DE19717146082D DE7146082U (en) 1971-10-21 1971-12-07 Shoulder joint head prosthesis
DE19727237930 DE7237930U (en) 1971-10-21 1972-10-16 Shoulder joint head prosthesis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1538371A CH543881A (en) 1971-10-21 1971-10-21 Shoulder joint head prosthesis

Publications (1)

Publication Number Publication Date
CH543881A true CH543881A (en) 1973-11-15

Family

ID=4408627

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1538371A CH543881A (en) 1971-10-21 1971-10-21 Shoulder joint head prosthesis

Country Status (2)

Country Link
CH (1) CH543881A (en)
DE (2) DE7146082U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0000549A1 (en) * 1977-07-29 1979-02-07 Bayer Ag Endoprosthesis
FR2610515A1 (en) * 1987-02-09 1988-08-12 Jean Lannelongue SHOULDER PROSTHESIS

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2925145C2 (en) * 1979-06-22 1982-07-22 Wolfgang Dr. 4900 Herford Schneider "Shoulder joint head endoprosthesis"
CH647942A5 (en) * 1980-11-25 1985-02-28 Sulzer Ag FEMUR HEAD PROSTHESIS.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0000549A1 (en) * 1977-07-29 1979-02-07 Bayer Ag Endoprosthesis
FR2610515A1 (en) * 1987-02-09 1988-08-12 Jean Lannelongue SHOULDER PROSTHESIS
EP0278807A2 (en) * 1987-02-09 1988-08-17 Jean Lannelongue Shoulder prosthesis
EP0278807A3 (en) * 1987-02-09 1989-01-04 Lannelongue J Shoulder prosthesis
US4919669A (en) * 1987-02-09 1990-04-24 Jean Lannelongue Shoulder prosthesis

Also Published As

Publication number Publication date
DE7146082U (en) 1972-03-09
DE7237930U (en) 1973-01-11

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