Puncture instrument, puncture needle cartridge, puncture instrument set, and puncture needle disposal instrument
First Claim
1. A puncture instrument comprising a plurality of puncture needles for puncturing the surface of a biologic body and for performing seriatim puncturing with each of the puncture needles, said puncture instrument comprising:
- a puncture needle cartridge for housing a plurality of puncture needles connected in series in an axis direction of the puncture instrument,each puncture needle comprising a body member and a needle member, wherein a base end of the needle member is secured in and substantially coaxial with the body member, and a needle point end protrudes forwardly; and
the body member comprising a forward end and a rear end, wherein the forward end extends in the axial direction of the needle member to surround the needle point end, such that when connected to a second puncture needle, the forward end covers the outer surface of the rear end of the second puncture needle, and wherein the forward end and the rear end have substantially complementary shapes such that the needle members are hygienically maintained and deployed, and wherein a circumferential convex portion of the body member is on the radially inner side of the point end of the body member that extends in the axial direction of the forward end, a circumferential concave portion of the body member is on the part of the rear end complementary to the convex portion, and they fit into each other when axially adjacent puncture needles are connected, such that the puncture needles are connected in such a manner that removal of a puncture needle pulls the next puncture needle to the puncture position,the puncture needle cartridge comprising a plurality of puncture needle stopping members whose front ends are folded towards the inner wall of the puncture needle cartridge, wherein the stopping members engage a dent in a surface of each puncture needle body member and are located in the puncture needle cartridge at intervals of about the length of the body member of the puncture needle.
7 Assignments
0 Petitions
Accused Products
Abstract
An arrangement comprises a puncturing instrument including a cylindrical box, a plurality of puncturing needles held in an axially serially connected state, a locking member for locking the puncturing needle cartridge at an axial predetermined position, and an elastic urging member urging the puncturing needle cartridge in one direction, and a puncturing needle replacing jig which allows the setting of a puncturing position for the puncturing needle cartridge and the discarding of used puncturing needles, in order to enter into a subsequent puncturing action after the puncturing of the puncturing needle. Thus, it is an object to provide, in an instrument for puncturing the surface of a living body, a highly safe puncturing instrument set having a plurality of puncturing needles, capable of continuous puncturing action by a simple operation.
17 Citations
32 Claims
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1. A puncture instrument comprising a plurality of puncture needles for puncturing the surface of a biologic body and for performing seriatim puncturing with each of the puncture needles, said puncture instrument comprising:
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a puncture needle cartridge for housing a plurality of puncture needles connected in series in an axis direction of the puncture instrument, each puncture needle comprising a body member and a needle member, wherein a base end of the needle member is secured in and substantially coaxial with the body member, and a needle point end protrudes forwardly; and
the body member comprising a forward end and a rear end, wherein the forward end extends in the axial direction of the needle member to surround the needle point end, such that when connected to a second puncture needle, the forward end covers the outer surface of the rear end of the second puncture needle, and wherein the forward end and the rear end have substantially complementary shapes such that the needle members are hygienically maintained and deployed, and wherein a circumferential convex portion of the body member is on the radially inner side of the point end of the body member that extends in the axial direction of the forward end, a circumferential concave portion of the body member is on the part of the rear end complementary to the convex portion, and they fit into each other when axially adjacent puncture needles are connected, such that the puncture needles are connected in such a manner that removal of a puncture needle pulls the next puncture needle to the puncture position,the puncture needle cartridge comprising a plurality of puncture needle stopping members whose front ends are folded towards the inner wall of the puncture needle cartridge, wherein the stopping members engage a dent in a surface of each puncture needle body member and are located in the puncture needle cartridge at intervals of about the length of the body member of the puncture needle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 30, 31)
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8. A puncture needle cartridge comprising a plurality of puncture needles for puncturing the surface of a biologic body, wherein the cartridge is housed in a puncture instrument for performing seriatim puncturing with each of the puncture needles, wherein
said puncture needle cartridge holds the plurality of puncture needles connected in series in an axis direction of the puncture instrument, each puncture needle comprises a body member and a needle member, wherein a base end of the needle member is secured in and substantially coaxial with the body member, and a needle point end protrudes forwardly; - and the body member comprises a forward end and a rear end, wherein the forward end extends in the axial direction of the needle member to surround the needle point end, such that when connected to a second puncture needle, the forward end covers the outer surface of the rear end of the second puncture needle, and wherein the forward end and the rear end have substantially complementary shapes such that the needle members are hygienically maintained and deployed, and wherein a circumferential convex portion of the body member is on the radially inner side of the point end of the body member that extends in the axial direction of the forward end, a circumferential concave portion of the body member is on the part of the rear end complementary to the convex portion, and they fit into each other when axially adjacent puncture needles are connected, such that the puncture needles are connected in such a manner that removal of a puncture needle pulls the next puncture needle to the puncture position,
the puncture needle cartridge comprising a plurality of puncture needle stopping members whose front ends are folded towards the inner wall of the puncture needle cartridge, wherein the stopping members engage a dent in a surface of each puncture needle body member and are located in the puncture needle cartridge at intervals of about the length of the body member of the puncture needle. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
- and the body member comprises a forward end and a rear end, wherein the forward end extends in the axial direction of the needle member to surround the needle point end, such that when connected to a second puncture needle, the forward end covers the outer surface of the rear end of the second puncture needle, and wherein the forward end and the rear end have substantially complementary shapes such that the needle members are hygienically maintained and deployed, and wherein a circumferential convex portion of the body member is on the radially inner side of the point end of the body member that extends in the axial direction of the forward end, a circumferential concave portion of the body member is on the part of the rear end complementary to the convex portion, and they fit into each other when axially adjacent puncture needles are connected, such that the puncture needles are connected in such a manner that removal of a puncture needle pulls the next puncture needle to the puncture position,
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24. A puncture instrument set comprising
a puncture instrument having a puncture needle cartridge holding a plurality of puncture needles for puncturing the surface of a biologic body, said puncture instrument performing seriatim puncturing with each of the puncture needles, said puncture needles being connected in series in an axis direction of the cartridge, each puncture needle comprising a body member and a needle member, wherein a base end of the needle member is secured in and substantially coaxial with the body member, and a needle point end protrudes forwardly, the body member comprising a forward end and a rear end, wherein the forward end extends in the axial direction of the needle member to surround the needle point end, such that when connected to a second puncture needle, the forward end covers the outer surface of the rear end of the second puncture needle, and wherein the forward end and the rear end have substantially complementary shapes such that the needle members are hygienically maintained and deployed, and wherein a circumferential convex portion of the body member is on the radially inner side of the point end of the body member that extends in the axial direction of the forward end, a circumferential concave portion of the body member is on the part of the rear end complementary to the convex portion, and they fit into each other when axially adjacent puncture needles are connected, such that the puncture needles are connected in such a manner that removal of a puncture needle pulls the next puncture needle to the puncture position; - and
a puncture needle replacement jig for setting the puncture needle cartridge at a puncture operation start position for a next puncture operation, and for removing a used puncture needle from the puncture needle cartridge, after puncturing by the puncture needle, the puncture needle cartridge comprising a plurality of puncture needle stopping members whose front ends are folded towards the inner wall of the puncture needle cartridge, wherein the stopping members engage a dent in a surface of each puncture needle body member and are located in the puncture needle cartridge at intervals of about the length of the body member of the puncture needle. - View Dependent Claims (25, 26, 27, 28, 29)
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32. A puncture instrument set comprising:
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a puncture instrument having a puncture needle cartridge holding a plurality of puncture needles for puncturing the surface of a biologic body, said puncture instrument for performing seriatim puncturing with each of the puncture needles, said puncture needles being connected in series in an axial direction of the cartridge, a puncture needle replacement jig for setting the puncture needle cartridge at a puncture operation start position for a next puncture operation, and for removing a used puncture needle from the puncture needle cartridge, after puncturing by the puncture needle, each puncture needle including a first dent and a second dent in a surface thereof, the puncture needle cartridge including a puncture needle retaining elastic member for engaging the first dent of the puncture needle body member which is positioned in a front end in the puncture needle cartridge to hold the puncture needle, the puncture needle replacement jig including a replacement jig pressing part and a replacement jig return member, the replacement jig pressing part for pushing the puncture needle retaining elastic member outward to release engagement between the puncture needle retaining elastic member and the first dent in the puncture needle body member, and the replacement jig return member for engaging the second dent in the puncture needle body member to remove the puncture needle.
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Specification