JPWO2021156327A5

JPWO2021156327A5 -

Info

Publication number: JPWO2021156327A5
Application number: JP2022547911A
Authority: JP
Publication date: 2024-02-06

Claims

A tissue separation device for separating intestines from a group of organs removed from an animal, in particular a pig, a sheep or a cow, wherein said intestine is connected to the rest of said group of organs via connecting tissue. A tissue separation device, comprising:
a guiding device having at least one guiding surface configured to contact the intestine;
a tissue cutting device configured to separate the connecting tissue proximate the intestine;
The tissue separation device comprising:
The guide device includes a first guide member and a second guide member movable relative to each other to form a gap configured to receive the connecting tissue, the gap being , has a variable width,
the tissue cutting device is configured to operate in the gap;
The tissue separation device includes an elastic member configured to apply a force caused by the elastic member to at least one of the first guide member and the second guide member, and the elastic member A tissue separation device wherein a force drives the first guide member and the second guide member toward each other.

2. The tissue separation device of claim 1, wherein the first guide member and the second guide member are rotatable relative to each other to vary the width of the gap.

the first guide member is fixed relative to the tissue cutting device;
The tissue separation device according to claim 1 or 2, wherein the second guide member is movable with respect to the tissue cutting device.

The tissue separation device according to any one of claims 1 to 3, wherein the second guide member is rotatable around a guide member rotation axis.

The resilient member is configured to exert a force on the second guide member to minimize the width of the gap by biasing the second guide member toward the first guide member. The tissue separation device according to claim 3 or 4, characterized in that the tissue separation device is configured as follows.

The tissue separation device according to any one of claims 1 to 5, wherein the force exerted by the elastic member is adjustable.

the elastic member is a spring;
The tissue separation device according to any one of claims 1 to 5 , wherein the force exerted by the elastic member by the spring is adjusted by changing the pretension of the spring .

the gap formed by the first guide member and the second guide member includes a tapered tissue entry region ;
8. According to any one of claims 1 to 7 , wherein the first guide member and the second guide member each have a rounded end portion in the tissue entry region of the gap. Tissue separation device as described.

the first guide member includes a first guide surface,
the second guide member includes a second guide surface,
The tissue according to any one of claims 1 to 8 , wherein the first guide surface and the second guide surface are configured to at least partially contact the intestine. Separation device.

the first guide member has a first surface facing the second surface of the second guide member;
The tissue separation device according to any one of claims 1 to 9 , wherein the first surface and the second surface together form the gap.

The tissue cutting device includes a rotationally driven cutting member ,
the cutting member comprises a circle knife having a peripheral cutting edge;
a portion of the peripheral cutting edge extends across the gap;
Claim characterized in that the cutting member extends in a plane extending at an angle of 20° to 60°, in particular at an angle of approximately 45°, with respect to the guiding surface of the guiding device. The tissue separation device according to any one of items 1 to 10 .

Tissue separation device according to any one of the preceding claims, characterized in that the tissue separation device comprises a fluid supply duct configured to supply fluid to the tissue cutting device.

the cutting member is driven by an electric motor ;
Tissue separation device according to claim 11 or 12 , characterized in that the electric motor is directly connected to the cutting member .

A method for separating the intestine from a group of organs removed from an animal, in particular a pig, a sheep or a cow, wherein said intestine is connected to the rest of said group of organs via connecting tissue. ,
moving the intestine relative to a guiding device in the longitudinal direction of the intestine;
guiding the connecting tissue into a gap in the guide device, the guide device including a first guide member and a second guide member forming the gap; a member and the second guide member are movable toward or away from each other to vary the width of the gap, the first guide member and the second guide member are elastically forced toward each other by a force by an elastic member, and at least one guiding surface of the guiding device is in contact with the intestine;
a step in which the connecting tissue applies a force to at least one of the first guiding member and the second guiding member, the width of the gap being equal to the force exerted by the elastic member and the connecting tissue; said step determined by interaction with a force exerted by
separating the connecting tissue near the intestine in the gap;
A method characterized by comprising:

the first guide member is rigidly attached to the tissue separation device;
the second guide member is movably attached to the tissue separation device;
15. A method according to claim 14 , characterized in that the force exerted by the elastic member is generated by an elastic member acting on the second guide member.