JP2007522837A5

JP2007522837A5 -

Info

Publication number: JP2007522837A5
Application number: JP2006551498A
Authority: JP
Filing date: 2005-01-28
Publication date: 2008-03-21
Anticipated expiration: 2025-01-28

Claims

A system for performing a surgical operation using an arthroscope,
An arthroscopic instrument suitable for performing arthroscopic surgery,
A non-invasive sheath comprising a proximal portion and a tube characterized by a proximal end, the sheath having an inner diameter that is very close to the outer diameter of the arthroscopic instrument and removable on the arthroscopic instrument A non-invasive sheath placed in a state;
A cylindrical grip disposed on the proximal portion of the sheath, characterized by the proximal portion,
A proximal end portion of the grip extends in a proximal direction beyond the proximal end of the sheath;
The material of the proximal end portion of the grip and the dimensions of the proximal end portion of the grip are selected to be biased into a shape having an inner diameter that is smaller than the outer diameter of the arthroscopic instrument, whereby the grip The proximal portion of the system is adapted for grasping the arthroscopic instrument.

2. The first lever according to claim 1, further comprising a first lever which is attached to the grip in an operable state and can move the first segment of the proximal end portion of the grip radially outward. system.

The second lever according to claim 1, further comprising a second lever attached to the grip in an operable state and capable of radially moving a second segment of a proximal side portion of the grip. system.

The first lever and the second lever extend in a distal direction from the grip,
The first lever and the second lever are characterized by end portions;
4. The system of claim 3, wherein the distal portions of the first lever and the second lever include arcuate segments extending radially outward from the sheath.

5. The system of claim 4, further comprising a first fulcrum disposed at a distal end portion of the first lever and a second fulcrum disposed at a distal end portion of the second lever.

Further comprising a first tab disposed on the sheath, wherein the first tab prevents fluid disposed outside the sheath from moving in a proximal direction of the tab. The system according to claim 1.

The apparatus further includes a second tab disposed on a distal side of the first tab on the sheath, and the second tab moves a fluid disposed outside the sheath toward a proximal direction of the second tab. 7. The system of claim 6, wherein

The sheath is characterized by a distal tip;
The distal tip is made of a material having a hardness that is softer than the hardness of the sheath,
The system of claim 1, wherein the distal tip has an inner diameter that is smaller than an inner diameter of the sheath.

9. The system of claim 8, wherein the tip has a tear at at least one location of the tip.

The sheath is further characterized by a distal portion, the sheath further having a hole disposed in the distal portion of the sheath, the hole leading from an outer diameter of the sheath to a lumen disposed in the sheath. The system of claim 1, wherein fluid is directed through the hole to a surgical site or drawn from the surgical site.

The sheath is further characterized by a distal portion, the sheath further having a hole disposed in the distal portion of the sheath, the hole extending from an outer diameter of the sheath to a lumen disposed in the sheath. The system of claim 6, wherein fluid is routed through the hole to a surgical site or drawn from the surgical site.

The sheath is further characterized by a distal portion, the sheath further having a hole disposed in the distal portion of the sheath, the hole extending from an outer diameter of the sheath to a lumen disposed in the sheath. The system of claim 8, wherein fluid is routed through the aperture to a surgical site or drawn from the surgical site.

A non-invasive sheath,
A tube having a distal tip and characterized by a distal site, an inner surface and an inner diameter;
The inner diameter of the tube is dimensioned to allow fluid to flow between the inner surface of the tube and the outer surface of the arthroscopy instrument when the arthroscopy instrument is placed in the tube,
The distal tip is extended to seal the outer periphery of the arthroscopy instrument when the arthroscopy instrument is placed in the tube,
A plurality of ribs extending inwardly from the inner surface of the tube and extending longitudinally along the tube;
The rib is a non-invasive sheath that forms an outer lumen between the outer surface of the arthroscopy instrument and the inner surface of the tube.

The non-invasive sheath according to claim 13, wherein the distal tip and the tube are made of the same flexible material.

14. The distal end tip is made of a material different from the material constituting the tube, and the different material has a higher elastic modulus than the material constituting the tube. The non-invasive sheath as described.

The non-invasive sheath according to claim 13, wherein the distal tip has a tear at at least one location of the tip.

The non-tube of claim 13, 14 or 15, wherein the distal portion of the tube further comprises a plurality of holes in fluid communication with one or more outer lumens and a surgical site. Invasive sheath.

14. The non-invasive sheath of claim 13, further comprising one or more check valves coupled to the one or more outer lumens.

The distal end of the arthroscopy instrument can extend distally from a distal tip of the noninvasive sheath when the arthroscopy instrument is disposed within the noninvasive sheath. The non-invasive sheath according to claim 17.

A device for use with an arthroscopic sheath,
A sleeve having an outer surface and an extending lumen extending therethrough, the lumen having an inner diameter dimensioned to frictionally fit an outer diameter of a surgical instrument using an endoscope;
The apparatus further comprising a ridge disposed on the outer surface of the sleeve so that the surgical instrument does not easily disengage from the surgical site.

27. The tissue storage device of claim 26, wherein the protuberance is helical and has a thread shape.

27. The tissue storage device of claim 26, wherein the ridges are disposed around.

27. The tissue storage device of claim 26, further comprising a plurality of circular ridges disposed on an outer surface of the sleeve.

27. The tissue storage device of claim 26, wherein the sleeve of the device comprises a sterilizable elastomer.

A system for performing arthroscopic surgery,
An arthroscopy instrument characterized by a distal tip and suitable for arthroscopic surgery;
A non-invasive sheath comprising a tube made of a resilient material having a distal end, the sheath having an inner diameter that is very close to the outer diameter of the arthroscopic instrument, the sheath comprising the sheath A flange disposed at the distal end of the device, the flange being arranged, sized and dimensioned to prevent the distal tip of the arthroscopy instrument from extending distally from the sheath;
The system wherein the non-invasive sheath is removably disposed over the arthroscopic instrument.

32. The system of claim 31, wherein the sheath is characterized by an outer surface and an inner surface, and the outer surface is provided with a smooth coating.

The system of claim 32, wherein the inner surface of the sheath is provided with a non-slip coating.

32. The system of claim 31, wherein a tab is disposed at the proximal end of the sheath, the tab being dimensioned to attach and remove the sheath from the arthroscopy instrument.

The apparatus further includes a first set of mounting components disposed at the proximal end of the sheath and a second set of mounting components disposed on the arthroscopic instrument, wherein the first and second sets of mounting components are removable. 32. The system of claim 31, wherein the sheath is secured to the arthroscopy instrument when coupled and when securing the first and second sets of attachments together.

32. The system of claim 31, wherein the non-invasive sheath is characterized by a distal portion and further comprises a balloon disposed at the distal portion of the sheath.

The sheath further includes a working tube, the working tube being sized, dimensioned and arranged to allow fluid to flow between a surgical site and a lumen of the working tube. Item 32. The system according to Item 31.

A non-invasive sheath comprising a tube of resilient material having a distal end, an outer surface, an inner surface, an inner diameter and an outer diameter,
The inner diameter of the tube is very close to the outer diameter of the arthroscopy instrument,
The tube is provided with a flange disposed at the distal end of the sheath and facing inward, and the flange is dimensioned and large to prevent the distal tip of the arthroscopy instrument from extending in the distal direction from the sheath. And the arrangement,
A smooth coating is applied to the outer surface of the tube,
A non-invasive sheath having an anti-slip coating on the inner surface of the tube.

A system for performing arthroscopic surgery,
An arthroscopy instrument characterized by a distal tip and suitable for performing arthroscopic surgery;
A rigid cannula characterized by a lumen and a rigid tip, the rigid cannula having a size and dimensions such that the arthroscopic instrument extends distally from the distal tip of the rigid cannula through the lumen; ,
A non-invasive sheath comprising a tube made of a resilient material having a distal end and having an inner diameter that is very close to the outer diameter of the arthroscopic instrument,
The system wherein the non-invasive sheath is removably disposed on the arthroscopic instrument.

40. The system of claim 39, wherein the sheath is characterized by an outer surface and an inner surface, and the outer surface is provided with a smooth coating.

41. The system of claim 40, wherein the inner surface of the sheath is provided with an anti-slip coating.

The sheath is provided with a tab disposed at the proximal end of the sheath, and the tab is sized and dimensioned so that the sheath can be attached to and detached from the arthroscopy instrument. 40. The system of claim 39.

The apparatus further includes a first set of mounting components disposed at a proximal end of the sheath and a second set of mounting components disposed on the arthroscopic instrument, wherein the first and second sets of mounting components are removable. 40. The system of claim 39, wherein the sheath is secured to the arthroscopy instrument when coupled together and securing the first and second sets of attachments together.

40. The system of claim 39, wherein the sheath is characterized by a distal portion, the sheath further comprising a balloon disposed at the distal portion of the sheath.

The sheath further includes a working tube, the working tube being sized, dimensioned and arranged to allow fluid to flow between a surgical site and a lumen of the working tube. Item 40. The system according to Item 39.