CN218305099U - Novel plasma hemostasis type nipple incision sword - Google Patents
Novel plasma hemostasis type nipple incision sword Download PDFInfo
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- CN218305099U CN218305099U CN202221903498.9U CN202221903498U CN218305099U CN 218305099 U CN218305099 U CN 218305099U CN 202221903498 U CN202221903498 U CN 202221903498U CN 218305099 U CN218305099 U CN 218305099U
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Abstract
The utility model provides a novel plasma hemostasis type nipple incision knife, which comprises a control handle, wherein a finger ring is fixed at the rear end of the control handle, a sliding groove is arranged at the side edge of the control handle, and a sliding ring is movably arranged in the sliding groove; one end of an electric filament is bound to the part of the sliding ring, which is positioned on the inner side of the control handle; one end of the control handle, which is far away from the ring, is connected with an outer tube, and the side wall of the outer tube is provided with an electric wire cutting electrode interface, a hemostatic head electrode interface, a wire guide socket and a liquid injection channel; the insulating tube is arranged in the outer tube and is respectively communicated with the electric cutting electrode interface, the hemostatic head electrode interface, the guide wire socket and the liquid injection channel; the utility model can stop bleeding in time in the process of cutting human tissues for the operator, and greatly improves the operation efficiency.
Description
Technical Field
The utility model belongs to a through scope retrograde cholangiopancreatography technical field, especially be used for the scope under with the treatment mode that the sphincter of nipple opens, concretely relates to novel plasma hemostasis type papillary incision sword.
Background
Endoscopic Retrograde Cholangiopancreatography (ERCP) refers to a technique of inserting a duodenoscope into a descending part of a duodenum, finding a duodenal papilla, inserting a contrast catheter into an opening part of the papilla from a biopsy channel, injecting a contrast agent, and taking a photograph by using an x-ray to display the cholangiopancreatography, wherein operations such as ERCP stone removal, ERCP treatment, ERCP exploration and the like are derived on the basis of the ERCP.
The endoscopic lactosphincter open (EST) is a treatment technique which is further developed on the basis of the diagnostic technique of endoscopic retrograde cholangiopancreatography and is used for incising the duodenal papillary sphincter and the end part of the common bile duct under an endoscope by using a high-frequency electric incision knife. The papillary sphincter incision knife is an important surgical instrument for ERCP, and is used for incising the duodenal papillary sphincter in order to facilitate intubation, stone removal, stent implantation and the like. The incision knife in the prior art almost adopts a high-frequency electric working principle to perform incision, and simultaneously has the problems of bleeding, thermal injury and the like. For example, in the prior patent CN201921907238.7, a bow-shaped knife for duodenal papilla is mentioned, which is specially used for performing duodenal papilla incision, and has the advantage that the knife head can be rotated to more accurately align the position of the duodenal papilla, thereby avoiding the enlargement of the wound, however, the patent also fails to solve the bleeding problem of the wound after incision, and still needs to replace the instrument during the operation to perform the hemostasis operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem in the prior art and provides a novel plasma hemostasis type nipple incision knife.
The utility model provides a technical scheme that its technical problem adopted is:
a novel plasma hemostasis type papilla incision knife comprises an operating handle, wherein a finger ring is fixed at the rear end of the operating handle, a sliding groove is formed in the side edge of the operating handle, and a sliding ring is movably arranged in the sliding groove; one end of an electric filament is bound to the part of the sliding ring, which is positioned on the inner side of the control handle; one end of the control handle, which is far away from the ring, is connected with an outer tube, and the side wall of the outer tube is provided with an electric cutting electrode interface, a hemostatic head electrode interface, a guide wire socket and a liquid injection channel; the hemostatic head electrode interface is arranged in the outer tube, and the hemostatic head electrode interface is connected with the hemostatic head electrode interface.
Preferably, the other end of the electric cutting wire penetrates through the insulating tube and is fixed with the outer wall of the insulating tube, so that the electric cutting wire is in an arc shape with the insulating tube in a tensioned state.
Preferably, the hemostatic probe further comprises two electrode metal strips, wherein the two electrode metal strips are spirally wound on the top of the insulating tube, and the two adjacent electrode metal strips are not intersected with each other and are respectively connected with the positive electrode and the negative electrode of the hemostatic head electrode interface through the insulating tube.
Preferably, the electric cutting wire and the electric cutting wire electrode interface are respectively connected with the positive electrode and the negative electrode of the electric cutting wire electrode interface through two metal guide wires.
Preferably, the periphery of the insulating tube is provided with a plurality of developing rings, and the developing rings are located at the arch structure of the insulating tube.
Preferably, the insulating tube is a five-cavity catheter.
Preferably, the insulating tube is a seven-cavity catheter.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a there is bipolar motor metal strip at the top winding of insulating tube, makes the incision sword in time carry out hemostasis operation after cutting the duodenum nipple, prevents that blood from flowing out and influencing the operation process, has avoided changing the apparatus many times at the operation in-process, has improved operation efficiency.
2. The utility model discloses a multicavity catheter structure makes electricity shred, seal wire, hemostasis head, annotate mutual noninterference between the liquid channel, has reduced the risk that contacts and cause circular telegram part short circuit between operation in-process liquid and the seal wire, guarantees operation in-process art person and patient's security.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view of the five-lumen catheter of the present invention;
FIG. 3 is a sectional view of the seven-lumen catheter of the present invention;
FIG. 4 is a schematic view of the structure of the incision knife and the hemostatic head of the present invention;
the embodiment of the utility model provides a mainly contain following element symbol:
a control handle-1, a finger ring-2, a sliding groove-3, a sliding ring-4, an electric cutting wire-5, an outer tube-6, an electric cutting wire electrode interface-7, a hemostatic head electrode interface-8, a guide wire socket-9, an injection channel-10, an insulating tube-11, an electrode metal strip-12, a developing ring-13, a guide wire cavity-14, an injection cavity-15, a hemostatic cavity-16, a pantograph-17 and pantograph-18
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the invention.
The first embodiment is as follows:
as shown in fig. 1, 2 and 4, a novel plasma hemostasis type papilla incision knife with an insulating tube 11 as a five-cavity catheter is provided, wherein a guide wire cavity 14 is arranged at the center of the insulating tube 11, and a liquid injection cavity 15, a hemostasis cavity 16, a pantograph current-carrying cavity 17 and a pantograph cavity 18 are respectively arranged around the guide wire cavity 14; the hand-operated device comprises an operation handle 1, wherein a finger ring 2 is fixed at the rear end of the operation handle 1, a sliding groove 3 is formed in the side edge of the operation handle, and a sliding ring 4 is movably arranged in the sliding groove 3; one end of the electric shredding wire 5 is bound to the part, located on the inner side of the control handle 1, of the sliding ring 4, so that the sliding ring 4 can pull the electric shredding wire 5 back and forth; an outer tube 6 is connected to one end, far away from the ring 2, of the control handle 1, the control handle 1 and the outer tube 6 are integrated, and an electric cutting electrode interface 7, a hemostatic head electrode interface 8, a guide wire socket 9 and a liquid injection channel 10 are arranged on the side wall of the outer tube 6; the electric cutting wire electrode interface 7 and the hemostatic head electrode interface 8 can be externally connected with a power supply to electrify the instrument. The soft pipeline that insulating tube 11 medical instrument field is commonly used sets up in inside outer tube 6, wherein, the inside bow-drawing of insulating tube 11 leads to electric cavity 17 with electrotome electrode interface 7 intercommunication, hemostasis chamber 16 with hemostasis head electrode interface 8 is linked together, wire guide cavity 14 with seal wire socket 9 is linked together, annotates liquid cavity 15 with annotate liquid passageway 10 is linked together, and bow-drawing chamber 18 communicates with each other with the handle to guarantee that electrotome 5 can move back and forth in bow-drawing chamber 18. Five cavities in the insulating tube 11 are not communicated with each other, only the pantograph current-carrying cavity 17 is communicated with the pantograph cavity 18, and in order to electrify the electric filament cutter 5, the electric filament cutter 5 needs to be in contact with a guide wire in the pantograph current-carrying cavity 17.
The other end of the electric filament 5 penetrates through the insulating tube 11 and is fixed with the outer wall of the insulating tube 11, so that the electric filament 5 and the insulating tube 11 are in an arc shape in a tightened state.
The hemostatic tube is characterized by further comprising two electrode metal strips 12, the rear ends of the two electrode metal strips 12 are located in the hemostatic cavity 16, penetrate through the side wall of the insulating tube 11 when approaching the top end, are spirally wound on the top of the insulating tube 11, the two adjacent electrode metal strips 12 are not intersected with each other, and are respectively connected with the positive electrode and the negative electrode of the hemostatic head electrode interface 8 through the hemostatic cavity 16, and the parts of the two electrode metal strips 12 in the hemostatic cavity 16 are wrapped with insulating outer covers, so that short circuit caused by the two electrode metal strips 12 after being electrified is prevented.
The electric cutting wire 5 and the electric cutting wire electrode interface 7 are respectively connected with the anode and the cathode of the electric cutting wire electrode interface 7 through two metal guide wires, and the parts of the two metal guide wires in the pantograph electrifying cavity 17 are wrapped with an insulating outer cover to prevent the two metal guide wires from causing short circuit after being electrified.
The developing ring 13 on the outer periphery of the insulating tube 11 is located at the arch structure, so that the position of the arch structure can be determined under x-ray, and cutting accuracy is facilitated.
The guidewire lumen 14 and the infusion lumen 15 are open at the distal end of the insulating tube 11 in order to allow the guidewire and the contrast medium to pass into the body.
Example two:
as shown in fig. 1, 3 and 4, a novel plasma hemostasis type papilla incision knife with an insulating tube 11 as a seven-cavity catheter is disclosed, wherein a guidewire cavity 14 is arranged at the center of the insulating tube 11, and a liquid injection cavity 15, a hemostasis cavity 16, a pantograph current-supplying cavity 17 and a pantograph current-supplying cavity 18 are respectively arranged around the guidewire cavity 14; the blood stopping cavity 16 and the pantograph electrifying cavity 17 are separated into two cavities which are not communicated with each other so as to respectively place the positive electrode and the negative electrode of the electrified guide wires and avoid the short circuit caused by the contact between the positive electrode and the negative electrode electrified guide wires. The back end of the control handle 1 is fixedly provided with a finger ring 2, the side edge of the control handle 1 is provided with a sliding groove 3, and a sliding ring 4 is movably arranged in the sliding groove 3; one end of the electric cutting wire 5 is bound on the part, located on the inner side of the control handle 1, of the sliding ring 4, so that the sliding ring 4 can pull the electric cutting wire 5 back and forth; an outer tube 6 is connected to one end, far away from the ring 2, of the control handle 1, the control handle 1 and the outer tube 6 are integrated, and an electric cutting electrode interface 7, a hemostatic head electrode interface 8, a guide wire socket 9 and a liquid injection channel 10 are arranged on the side wall of the outer tube 6; the electric cutting wire electrode interface 7 and the hemostatic head electrode interface 8 can be externally connected with a power supply to electrify the instrument. The soft pipeline that insulating tube 11 medical instrument field is commonly used sets up in inside outer tube 6, wherein, the inside bow-drawing of insulating tube 11 leads to electric cavity 17 with electrotome electrode interface 7 intercommunication, hemostasis chamber 16 with hemostasis head electrode interface 8 is linked together, wire guide cavity 14 with seal wire socket 9 is linked together, annotates liquid cavity 15 with annotate liquid passageway 10 is linked together, and bow-drawing chamber 18 communicates with each other with the handle to guarantee that electrotome 5 can move back and forth in bow-drawing chamber 18. Seven cavities in the insulating tube 11 are not communicated with each other, only the pantograph electrical cavity 17 is communicated with the pantograph cavity 18, and in order to electrify the electrical cutting wire 5, the electrical cutting wire 5 needs to be in contact with the guide wire in the pantograph electrical cavity 17.
The other end of the electric filament 5 penetrates through the insulating tube 11 and is fixed with the outer wall of the insulating tube 11, so that the electric filament 5 and the insulating tube 11 are in an arc shape in a tightened state.
The electrode structure is characterized by further comprising two electrode metal strips 12, wherein the rear ends of the two electrode metal strips 12 are located in the hemostasis cavity 16, penetrate through the side wall of the insulating tube 11 when being close to the top end, are spirally wound on the top of the insulating tube 11, are adjacent to each other, are not intersected with each other, and are respectively connected with the positive electrode and the negative electrode of the hemostasis head electrode interface 8 through the hemostasis cavity 16.
The electric shredding wire 5 and the electric shredding electrode interface 7 are respectively connected with the positive electrode and the negative electrode of the electric shredding electrode interface 7 through two metal guide wires.
The developing ring 13 on the outer periphery of the insulating tube 11 is located at the arch structure, so that the position of the arch structure can be determined under x-ray, and cutting accuracy is facilitated.
The guidewire lumen 14 and the infusion lumen 15 are open at the distal end of the insulating tube 11 in order to allow the guidewire and the contrast medium to pass into the body.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A novel plasma hemostasis type papilla incision knife comprises a control handle, wherein a finger ring is fixed at the rear end of the control handle, a sliding groove is formed in the side edge of the control handle, and a sliding ring is movably arranged in the sliding groove; one end of an electric filament is bound to the part of the sliding ring, which is positioned on the inner side of the control handle; the method is characterized in that: one end of the control handle, which is far away from the ring, is connected with an outer tube, and the side wall of the outer tube is provided with an electric wire cutting electrode interface, a hemostatic head electrode interface, a wire guide socket and a liquid injection channel; the hemostatic plug further comprises an insulating tube, wherein the insulating tube is arranged inside the outer tube and is respectively communicated with the electric wire cutting electrode interface, the hemostatic plug electrode interface, the wire guide socket and the liquid injection channel.
2. The novel plasma hemostasis type papilla incision knife of claim 1, wherein: the other end of the electric filament penetrates through the insulating tube and is fixed with the outer wall of the insulating tube, so that the electric filament is arched with the insulating tube in a tightened state.
3. The novel plasma hemostasis type papilla incision knife of claim 2, wherein: the hemostatic probe comprises an insulating tube, and is characterized by further comprising two electrode metal strips, wherein the two electrode metal strips are spirally wound on the top of the insulating tube, adjacent two electrode metal strips are not intersected with each other, and are respectively connected with the positive electrode and the negative electrode of the hemostatic head electrode interface through the insulating tube.
4. The novel plasma hemostasis type papilla incision knife of claim 2, wherein: the electric cutting wire and the electric cutting wire electrode interface are respectively connected with the positive electrode and the negative electrode of the electric cutting wire electrode interface through two metal guide wires.
5. The novel plasma hemostasis type papilla incision knife of claim 1, wherein: the periphery of insulating tube is provided with a plurality of development rings, the development ring is located the bow-shaped structure department of insulating tube.
6. The novel plasma hemostasis type papilla incision knife of claim 1, wherein: the insulating tube is a five-cavity catheter.
7. The novel plasma hemostasis type papilla incision knife of claim 1, wherein: the insulating tube is a seven-cavity catheter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221903498.9U CN218305099U (en) | 2022-07-22 | 2022-07-22 | Novel plasma hemostasis type nipple incision sword |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221903498.9U CN218305099U (en) | 2022-07-22 | 2022-07-22 | Novel plasma hemostasis type nipple incision sword |
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| Publication Number | Publication Date |
|---|---|
| CN218305099U true CN218305099U (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221903498.9U Active CN218305099U (en) | 2022-07-22 | 2022-07-22 | Novel plasma hemostasis type nipple incision sword |
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| CN (1) | CN218305099U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116058930A (en) * | 2023-03-06 | 2023-05-05 | 浙江首鼎医学科技有限公司 | Nipple incision knife based on incision density and incision advantage switching method thereof |
-
2022
- 2022-07-22 CN CN202221903498.9U patent/CN218305099U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116058930A (en) * | 2023-03-06 | 2023-05-05 | 浙江首鼎医学科技有限公司 | Nipple incision knife based on incision density and incision advantage switching method thereof |
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