CN210784651U - Electric cutting loop - Google Patents
Electric cutting loop Download PDFInfo
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- CN210784651U CN210784651U CN201921069848.4U CN201921069848U CN210784651U CN 210784651 U CN210784651 U CN 210784651U CN 201921069848 U CN201921069848 U CN 201921069848U CN 210784651 U CN210784651 U CN 210784651U
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- cutting ring
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Abstract
The utility model discloses an electric cutter loop, including guide arm and two cutting arms that link together, the guide arm shreds, two with the inside electricity that is provided with of cutting arm be provided with between the cutting arm with the electricity surely encircles that the electricity is cut the silk and is connected, the electricity is cut the ring and is divided the electricity including sliding connection's first branch electricity surely encircles and the second and cut the ring, two be provided with the spring between the cutting arm. The utility model discloses an electricity cutter loop has shortened consuming time that electricity cutter loop cut the tissue, has reduced the amount of bleeding, has improved the work efficiency of tissue cutting.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to an electric cutting loop.
Background
The electric cutter loop is a cutting tool for performing tissue cutting. The electrode of the electric cutting loop is connected to a special current generator to carry out charged cutting operation, and the current passing through the electric cutting loop at the head end of the electric cutting loop is contacted with the tissue in the human body to carry out tissue cutting.
When a transurethral resection operation is performed, a doctor needs to insert the resectoscope into a bladder or a urethra through the urethra and stretch in and take out the resectoscope loop through an operation cavity of the resectoscope. The length of an electric cutting ring of the current electric cutting loop is fixed, so that the maximum width of the electric cutting tissue is fixed every time, the length of the electric cutting ring is smaller than the diameter of an inner cavity of an electric cutting mirror, the volume of the cut tissue is small every time, and if the tissue with a large volume is cut, the consumed time is long, the bleeding amount is large, and the working efficiency is low.
Therefore, how to solve the problems of long time consumption, large bleeding amount and low working efficiency of the electric cutting loop for cutting the tissue becomes a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides an electric cutter loop to shorten the time consumed by the electric cutter loop to cut tissue, reduce bleeding amount, and improve the work efficiency of tissue cutting.
In order to achieve the above object, the utility model provides a following technical scheme:
an electric cutting loop comprises a guide rod and two cutting arms which are connected together, an electric cutting wire used for conducting electricity is arranged inside the guide rod and the cutting arms, an electric cutting ring connected with the electric cutting wire is arranged between the two cutting arms, the electric cutting ring comprises a first branch electric cutting ring and a second branch electric cutting ring which are connected in a sliding mode, and a spring is arranged between the two cutting arms.
Preferably, on the surfaces of the first power dividing cutting ring and the second power dividing cutting ring which are close to each other, one is provided with a groove arranged along the length direction, and the other is provided with a convex edge matched with the groove for use.
Preferably, the position where the first sub-electric cutting ring is connected with the second sub-electric cutting ring is a hollow cylindrical structure, and the second sub-electric cutting ring is slidably connected inside the cylindrical structure of the first sub-electric cutting ring.
Preferably, the position where the second partial electric cutting ring is connected with the first partial electric cutting ring is a hollow cylindrical structure, and the first partial electric cutting ring is slidably connected inside the cylindrical structure of the second partial electric cutting ring.
Preferably, the connecting sleeve is capable of conducting electricity, and one ends, close to each other, of the first power dividing cutting ring and the second power dividing cutting ring are connected in the connecting sleeve in a sliding mode.
Preferably, the cross section of the groove is T-shaped, circular arc-shaped or dovetail-shaped.
Preferably, the electric cutting ring is arranged at the end of the cutting arm far away from the guide rod.
Preferably, the diameter of the opening position of the two ends of the connecting sleeve is smaller than the diameter of the inner cavity of the connecting sleeve, the diameter size of the first power dividing cutting ring and the second power dividing cutting ring corresponds to the diameter of the opening position of the connecting sleeve, and the diameter of the end part of the first power dividing cutting ring and the diameter of the end part of the second power dividing cutting ring in the connecting sleeve correspond to the diameter of the inner cavity of the connecting sleeve.
Preferably, the first partial electric cutting ring and the second partial electric cutting ring are arc-shaped.
According to the above technical scheme, the utility model provides a pair of electric cutting loop, including guide arm and two cutting arms that link together, the inside electricity that is provided with of guide arm and cutting arm shreds, is provided with the electric cutting ring of being connected with the electricity cutting between two cutting arms, and the electric cutting ring includes that sliding connection's first branch electric cutting ring and second divide the electric cutting ring, is provided with the spring between two cutting arms. The electric cutting ring is arranged into a first electric cutting ring and a second electric cutting ring which are connected in a sliding mode, and a spring is arranged between the two cutting arms, so that the cutting end of the electric cutting loop bounces off under the elastic force action of the spring when extending out of the electric cutting mirror channel, the effective cutting width of the electric cutting loop is enlarged, the tissue cutting amplitude is increased, the time consumed by the electric cutting loop for cutting the tissue is shortened, the tissue bleeding amount is reduced, the tissue cutting work efficiency is improved, and the work intensity of an operator is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electric cutter loop according to an embodiment of the present invention;
FIG. 2 is a perspective view of an electrotomy loop position of the electrotomy loop of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is a schematic view of an electrical cutting loop according to another embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view taken at B-B of FIG. 4;
fig. 6 is a schematic structural view of an electric cutter loop according to another embodiment of the present invention;
FIG. 7 is a perspective view of the electrotomy loop position of the electrotomy loop of FIG. 6;
FIG. 8 is a schematic cross-sectional view at C-C of FIG. 6;
FIG. 9 is a schematic structural view of an electric cutter loop of the present invention positioned in an operation channel of an electric cutting scope;
fig. 10 is a schematic structural view of the electric cutter loop provided by the present invention after extending out of the operation channel of the electric cutter.
1. Guide rod, 2, cutting arm, 3, spring, 4, connecting sleeve, 5, first branch electrotomy ring, 51, cylindric structure, 6, second branch electrotomy ring.
Detailed Description
The utility model discloses an electric cutting loop to shorten the consuming time of electric cutting loop cutting tissue, reduce the amount of bleeding, improve the work efficiency of tissue cutting.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 10, fig. 1 is a schematic structural diagram of an electric cutting loop according to an embodiment of the present invention; FIG. 2 is a perspective view of an electrotomy loop position of the electrotomy loop of FIG. 1; FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1; FIG. 4 is a schematic view of an electrical cutting loop according to another embodiment of the present invention; FIG. 5 is a schematic cross-sectional view taken at B-B of FIG. 4; fig. 6 is a schematic structural view of an electric cutter loop according to another embodiment of the present invention; FIG. 7 is a perspective view of the electrotomy loop position of the electrotomy loop of FIG. 6; FIG. 8 is a schematic cross-sectional view at C-C of FIG. 6; FIG. 9 is a schematic structural view of an electric cutter loop of the present invention positioned in an operation channel of an electric cutting scope; fig. 10 is a schematic structural view of the electric cutter loop provided by the present invention after extending out of the operation channel of the electric cutter.
As shown in fig. 1-10, the present invention discloses an electric cutting loop, which comprises a guide rod 1 and two cutting arms 2 connected together, wherein an electric cutting wire (not shown) for conducting electricity is arranged inside the guide rod 1 and the cutting arms 2, an electric cutting ring connected with the electric cutting wire is arranged between the two cutting arms 2, the electric cutting ring comprises a first electric cutting ring 5 and a second electric cutting ring 6 which are connected in a sliding manner, and a spring 3 is arranged between the two cutting arms 2. The electric cutting ring is arranged into a first electric cutting ring 5 and a second electric cutting ring 6 which are connected in a sliding mode, and the spring 3 is arranged between the two cutting arms 2, so that the cutting end of the electric cutting loop bounces off under the elastic force of the spring 3 when extending out of the electric cutting scope channel, the effective cutting width of the electric cutting loop is enlarged, the tissue cutting amplitude is increased, the time consumption of the electric cutting loop for cutting the tissue is shortened, the tissue bleeding amount is reduced, the tissue cutting work efficiency is improved, and the work intensity of an operator is reduced.
Wherein, the spring 3 is arranged at the end part of the cutting arm 2 or other parts. The material of the electric cutting ring is hard metal and has electric conductivity, and when current passes through the electric cutting ring, a thermal effect is generated or a plasma effect is generated in water, so that the tissue cutting effect is achieved.
In an embodiment, as shown in fig. 6 to 8, a groove along the length direction is disposed on one side of the first partial electric cutting ring 5 close to the second partial electric cutting ring 6, and a convex edge used in cooperation with the groove is disposed on one side of the second partial electric cutting ring 6 close to the first partial electric cutting ring 5. Or, a convex edge along the length direction is arranged on one side of the first power dividing cutting ring 5 close to the second power dividing cutting ring 6, and a groove matched with the first power dividing cutting ring 5 is arranged on one side of the second power dividing cutting ring 6 close to the first power dividing cutting ring 5. Through setting up the sliding fit who sets up along length direction uses recess and protruding edge for the constitution the effective connection length of first branch electric cutting ring 5 and the second branch electric cutting ring 6 of electric cutting ring can adjust. In order to facilitate the relative sliding motion of the first partial electric cutting ring 5 and the second partial electric cutting ring 6, the first partial electric cutting ring 5 and the second partial electric cutting ring 6 are arc-shaped, the radius of the arc-shaped arc shape is the length of the corresponding cutting arm 2, and the circle center is the intersection point of the cutting arm 2 and the guide rod 1, so that the relative sliding motion of the first partial electric cutting ring 5 and the second partial electric cutting ring 6 is smoother.
The cross section of the groove is T-shaped, circular arc-shaped or dovetail-shaped, and can also be in other shapes commonly used by those skilled in the art, such as U-shaped and the like. The cross-sectional shape of the convex edge corresponds to the cross-sectional shape of the groove.
In another embodiment, as shown in fig. 1 to 3, the position where the first partial electric cutting ring 5 is connected with the second partial electric cutting ring 6 is a hollow cylindrical structure 51, and the second partial electric cutting ring 6 is slidably connected inside the cylindrical structure 51 of the first partial electric cutting ring 5. Alternatively, the position where the second partial electric cutting ring 6 is connected to the first partial electric cutting ring 5 is a hollow cylindrical structure 51, and the first partial electric cutting ring 5 is slidably connected to the inside of the cylindrical structure 51 of the second partial electric cutting ring 6. In order to facilitate the relative sliding movement of the first partial electric cutting ring 5 and the second partial electric cutting ring 6, the first partial electric cutting ring 5 and the second partial electric cutting ring 6 are arc-shaped, the radius of the arc-shaped arc.
In a further embodiment, as shown in fig. 4 and 5, the electric cutting loop further comprises a connecting sleeve 4 capable of conducting electricity, and one ends of the first and second partial electric cutting rings 5 and 6 close to each other are slidably connected in the connecting sleeve 4. In order to facilitate the relative sliding movement of the first partial electric cutting ring 5 and the second partial electric cutting ring 6, the first partial electric cutting ring 5, the second partial electric cutting ring 6 and the connecting sleeve 4 are all arc-shaped with the same radius as in the above-described embodiment.
In order to prevent the sliding process, the first power splitting ring 5 or the second power splitting ring 6 is disengaged from the connecting sleeve 4, the diameter of the opening positions at two ends of the connecting sleeve 4 is smaller than the diameter of the inner cavity of the connecting sleeve 4, the diameter of the first power splitting ring 5 and the diameter of the second power splitting ring 6 correspond to the diameter of the opening position of the connecting sleeve 4, the diameter of the end part of the first power splitting ring 5 and the diameter of the end part of the second power splitting ring 6 located in the connecting sleeve 4 correspond to the diameter of the inner cavity of the connecting sleeve 4, and therefore the end part of the first power splitting ring 5 or the end part of the second power splitting ring 6 located in the connecting sleeve 4 is effectively prevented from being disengaged.
In particular, the electric cutting ring is arranged at the end of the cutting arm 2 remote from the guide rod 1.
As shown in fig. 9 and fig. 10, the utility model provides an electric incision loop, when the single cutting, electric incision loop stretches out the operation chamber way of electric incision mirror, because the elasticity of the spring 3 on the electric incision loop supports, make the cutting range of electric incision loop obviously enlarge, make the width of excising the tissue obviously increase at every turn, the tissue piece of excising at every turn is obviously greater than the tissue piece of unchangeable cutting range electric incision loop excision, the speed of excising the tissue will accelerate greatly, make the operation speed obviously accelerate, the speed of operation has been improved, the hemorrhage that has reduced the surface of a wound, the security that improves the operation. After cutting, the electric cutting loop retracts into the operation cavity of the electric cutting mirror, at the moment, the two cutting arms 2 are pressed, the included angle is reduced, and the spring 3 is compressed. The effective cutting width of the electric cutter loop is controlled by controlling the length of the cutting arm 2 extending out of the operation cavity of the electric cutter, namely, the compression length of the spring 3 is adjusted by pressing different positions of the cutting arm 2 through the cavity wall of the operation cavity of the electric cutter, so that the effective cutting width of the electric cutter loop is controlled.
The electrotome loop of each embodiment can be used together with a transurethral resectoscope and a ureteroscope under the condition of changing the size of the electrotome loop, and when the electrotome loop is used, the electrotome loop is placed through an operation channel of the endoscopes and enters a ureteral cavity or a kidney collecting system to perform tissue cutting operation.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The electric cutting loop is characterized by comprising a guide rod and two cutting arms which are connected together, wherein an electric cutting wire for conducting electricity is arranged in the guide rod and the cutting arms, an electric cutting ring connected with the electric cutting wire is arranged between the two cutting arms, the electric cutting ring comprises a first branch electric cutting ring and a second branch electric cutting ring which are connected in a sliding mode, and a spring is arranged between the two cutting arms.
2. An electric cutter tab according to claim 1 wherein the first and second partial electric cutter rings are provided with a groove provided in the longitudinal direction on the surfaces thereof which are adjacent to each other, and a ledge provided to cooperate with the groove on the other.
3. An electric cutter tab according to claim 1 wherein the first partial electric cutting ring is connected to the second partial electric cutting ring at a position of a hollow cylindrical structure, the second partial electric cutting ring being slidably connected inside the cylindrical structure of the first partial electric cutting ring.
4. An electric cutter tab according to claim 1 wherein the second partial electric cutting ring is connected to the first partial electric cutting ring at a position of a hollow cylindrical structure, and the first partial electric cutting ring is slidably connected to the inside of the cylindrical structure of the second partial electric cutting ring.
5. An electric cutter tab according to claim 1 further comprising an electrically conductive attachment sleeve, one end of each of said first and second partial electric cutter rings adjacent each other being slidably attached within said attachment sleeve.
6. An electric haptic as claimed in claim 2 wherein the cross-section of the groove is T-shaped, circular arc shaped or dovetail shaped.
7. An electrotomy loop according to claim 1, wherein the electrotomy loop is provided at the end of the cutting arm remote from the guide rod.
8. An electric cutter tab according to claim 5 wherein the diameter of the open position of both ends of the connection sleeve is smaller than the diameter of the inner cavity of the connection sleeve, the diameter of the first and second partial electric cutting rings corresponds to the diameter of the open position of the connection sleeve, and the diameter of the end portions of the first and second partial electric cutting rings inside the connection sleeve corresponds to the diameter of the inner cavity of the connection sleeve.
9. An electric cutter tab as claimed in claim 1 wherein the first and second partial electric cutting loops are arcuate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921069848.4U CN210784651U (en) | 2019-07-09 | 2019-07-09 | Electric cutting loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921069848.4U CN210784651U (en) | 2019-07-09 | 2019-07-09 | Electric cutting loop |
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| Publication Number | Publication Date |
|---|---|
| CN210784651U true CN210784651U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921069848.4U Active CN210784651U (en) | 2019-07-09 | 2019-07-09 | Electric cutting loop |
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| CN (1) | CN210784651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110200697A (en) * | 2019-07-09 | 2019-09-06 | 广州医科大学附属第一医院（广州呼吸中心） | A kind of cutting button loop |
-
2019
- 2019-07-09 CN CN201921069848.4U patent/CN210784651U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110200697A (en) * | 2019-07-09 | 2019-09-06 | 广州医科大学附属第一医院（广州呼吸中心） | A kind of cutting button loop |
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