Puncturing instrument

Claim 2

A medical puncturing instrument, comprising a puncturing tube and a conforming puncture instrument, characterized in that: the puncture instrument is a partially cylindrically curved channel-like prick incision lance; the channel-like prick incision lance defines a channel, the channel having an inner surface; the puncturing tube has a handle; the puncturing tube is designed, at the end, as a section of a pipe bend having an outer radius curve; and the outer radius curve end of the section of pipe bend makes contact with the channel inner surface of the inserted prick incision lance.

Claim 3

The medical puncturing instrument according to claim 1, wherein: said puncturing tube comprises a major portion having a cylindrical shape; said major portion of said puncturing tube has an inner cylindrical surface; said inner cylindrical surface of said major portion of said puncturing tube has a circumference; said prick incision lance conforms to said inner cylindrical surface of said major portion of said puncturing tube; said prick incision lance is disposed about a limited portion of the circumference of said inner cylindrical surface of said puncturing tube; said puncturing tube defining a central longitudinal axis, the central longitudinal axis being centrally disposed with respect to said major portion of said puncturing tube; said section of pipe bend of said first end portion of said puncturing tube is bent inwardly, towards the central longitudinal axis of said puncturing tube; said major portion of said puncturing tube is substantially straight with respect to the longitudinal axis of said puncturing tube; said prick incision lance comprises an end portion disposed adjacent said end of said puncturing tube; and said end portion of said prick incision lance is substantially straight with respect to the longitudinal axis of said puncturing tube.

Claim 4

The medical puncturing instrument according to claim 2, characterized in that the handle of the prick incision lance has an underside which complements the upper side of the handle of the puncturing tube and also has two detent pins and a socket groove for a catheter.

Claim 5

The medical puncturing instrument according to claim 3, characterized in that the handle of the prick incision lance has grooves on the upper side.

Claim 6

The medical puncturing instrument according to claim 4, wherein: said medical puncturing instrument can be divided over its entire length; and each half of the divisible puncturing tube supports a complementary section of a handle fitted with a detent groove.

Claim 7

The medical puncturing instrument according to claim 1, characterised in that it can be divided over its entire length.

Claim 8

The medical puncturing instrument according to claim 3, characterised in that said medical puncturing instrument can be divided over its entire length.

Claim 9

A medical puncturing instrument, for puncturing through tissue, comprising: a tube having an inside surface; a partially cylindrically curved incision lance with a cutting end at one end thereof, said incision lance having an outer surface which conforms to said tube; said cutting end of said incision lance comprises an inner surface and a tip; said cutting end of said incision lance defines a longitudinal dimension extending along said end portion of said incision lance; said inner surface of said end portion of said prick incision lance being disposed generally parallel to said longitudinal dimension of said cutting end of said incision lance; said tube having a first end being disposed adjacent to said cutting end of said incision lance; said first end of said tube comprises a bent portion being bent with respect to said longitudinal dimension of said end portion of said incision lance, such that said tip portion of said puncturing tube contacts said inner surface of said end portion of said prick incision lance; and said first end of said tube has an outer radius, wherein an end of said outer radius adjoins said inner surface of said end portion of said incision lance.

Claim 10

A medical puncturing instrument, for puncturing through tissue, comprising: a tube having an inside surface; a partially cylindrically curved incision lance with a cutting end at one end thereof, said incision lance having an outer surface which conforms to said tube; said cutting end of said incision lance comprises an inner surface and a tip; said cutting end of said incision lance defines a longitudinal dimension extending along said end portion of said incision lance; said inner surface of said end portion of said prick incision lance being disposed generally parallel to said longitudinal dimension of said cutting end of said incision lance; said tube having a first end being disposed adjacent to said cutting end of said incision lance; said first end of said tube comprises a bent portion being bent with respect to said longitudinal dimension of said end portion of said incision lance, such that said tip portion of said puncturing tube contacts said inner surface of said end portion of said prick incision lance; and said first end of said tube has an outer radius, wherein an end of said outer radius adjoins said inner surface of said end portion of said incision lance.

Claim 11

The medical puncturing instrument according to claim 8, wherein: said tube comprises a major portion having a cylindrical shape; said major portion of said tube has an inner cylindrical surface; said inner cylindrical surface of said major portion of said tube has a circumference; said incision lance conforms to said inner cylindrical surface of said major portion of said tube; said incision lance is disposed about a limited portion of the circumference of said inner cylindrical surface of said tube; said tube defines a central longitudinal axis, the central longitudinal axis being centrally disposed with respect to said major portion of said tube; said bent portion of said first end of said tube is bent inwardly, towards the central longitudinal axis of said tube; said major portion of said tube is substantially straight with respect to the longitudinal axis of said tube; and said end portion of said incision lance is substantially straight with respect to the longitudinal axis of said tube.

Claim 12

The medical puncturing instrument according to claim 9, wherein said tube comprises a second end configured as a tube handle for being held by an operator of the puncturing instrument.

Claim 13

The medical puncturing instrument according to claim 10, wherein: said lance is for fitting inside said tube; and said lance surface which conforms to said tube conforms to said inside surface of said tube.

Claim 14

The medical puncturing instrument according to claim 11, comprising: an instrument handle for being held by the operator of the puncturing instrument; and said lance comprises an end configured as a lance handle for being held by an operator, the underside of said lance handle being configured to conform to said tube handle so that said lance handle and said tube handle can fit together to form said instrument handle.

Claim 15

The medical puncturing instrument according to claim 12, wherein; said lance handle comprises at least one detent pin; said tube handle comprises at least one detent groove; and said at least one detent pin being for fitting into said at least one detent groove for holding said lance handle and said tube handle together to form said instrument handle.

Claim 16

The medical puncturing instrument according to claim 13, wherein said lance handle comprises a socket groove for placing a catheter.

Claim 17

The medical puncturing instrument according to claim 14, wherein: said tube comprises two half tubes, said tube being divided along the entire length of said tube into said two half tubes; and said second end of said tube comprises two half second ends, and each of said two half tubes having one of said two half second ends.

Claim 18

The medical puncturing instrument according to claim 15, wherein: said tube handle comprises two half tube handles; and each of said two half second ends of each of said two half tubes being configured to form said half tube handles.

Claim 19

The medical puncturing instrument according to claim 16, wherein said at least one detent groove comprises at least two detent grooves; each of said two half tube handles comprises at least one of said at least two detent grooves; and said lance handle comprises fluting grooves on the upper side of said lance handle, said fluting grooves for making the puncturing instrument easier to manipulate.

Claim 20

A medical puncturing instrument, for puncturing through tissue, comprising: a tube having an inside surface; a partially cylindrically curved incision lance with a cutting end at one end thereof, said incision lance having a surface which conforms to said tube; said tube having a first end for being adjacent to said cutting end of said incision lance, said first end of said tube being bent and being disposed adjacent said cutting end of said incision lance; said tube comprises a major portion having a cylindrical shape; said major portion of said tube having an inner cylindrical surface; said inner cylindrical surface of said major portion of said tube having a circumference; said incision lance conforming to said inner cylindrical surface of said major portion of said tube; said incision lance being disposed about a limited portion of the circumference of said inner cylindrical surface of said tube; said bent portion of said first end of said tube being bent inwardly and across said tube to make contact with said inner surface of said incision lance; and said incision lance being disposed opposite the area of initiation of said bent portion of said first end of said tube.

Claim 21

A medical puncturing instrument, for puncturing through tissue, comprising: a tube having an inside surface; a partially cylindrically curved incision lance with a cutting end at one end thereof, said incision lance having a surface which conforms to said tube; said tube having a first end for being adjacent to said cutting end of said incision lance, said first end of said tube being bent and being disposed adjacent said cutting end of said incision lance; said tube comprises a major portion having a cylindrical shape; said major portion of said tube having an inner cylindrical surface; said inner cylindrical surface of said major portion of said tube having a circumference; said incision lance conforming to said inner cylindrical surface of said major portion of said tube; said incision lance being disposed about a limited portion of the circumference of said inner cylindrical surface of said tube; said bent portion of said first end of said tube being bent inwardly and across said tube to make contact with said inner surface of said incision lance; and said incision lance being disposed opposite the area of initiation of said bent portion of said first end of said tube.

Claim 22

The medical puncturing instrument according to claim 18, wherein: said tube defines a central longitudinal axis, the central longitudinal axis being centrally disposed with respect to said major portion of said tube; said major portion of said tube is substantially straight with respect to the longitudinal axis of said tube; and said end portion of said incision lance is substantially straight with respect to the longitudinal axis of said tube.

Claim 23

The medical puncturing instrument according to claim 19, wherein: said tube comprises a second end configured as a tube handle for being held by an operator of the puncturing instrument; said lance is for fitting inside said tube; said lance surface which conforms to said tube conforms to said inside surface of said tube; said medical puncturing instrument further comprises an instrument handle for being held by the operator of the puncturing instrument; said lance comprises an end configured as a lance handle for being held by an operator, the underside of said lance handle being configured to conform to said tube handle so that said lance handle and said tube handle can fit together to form said instrument handle; said lance handle comprises at least one detent pin; said tube handle comprises at least one detent groove; said at least one detent pin being for fitting into said at least one detent groove for holding said lance handle and said tube handle together to form said instrument handle; said lance handle comprises a socket groove for placing a catheter; said tube comprises two half tubes, said tube being divided along the entire length of said tube into said two half tubes; said second end of said tube comprises two half second ends, and each of said two half tubes having one of said two half second ends; said tube handle comprises two half tube handles; each of said two half second ends of each of said two half tubes being configured to form said half tube handles; said at least one detent groove comprises at least two detent grooves; each of said two half tube handles comprises at least one of said at least two detent grooves; and said lance handle comprises fluting grooves on the upper side of said lance handle, said fluting grooves for making the puncturing instrument easier to manipulate.