CN217960031U

CN217960031U - Energizable wire guide device for endoscope

Info

Publication number: CN217960031U
Application number: CN202221550409.7U
Authority: CN
Inventors: 潘净成
Original assignee: CHANGZHOU JIUHONG MEDICAL INSTRUMENT CO LTD
Current assignee: CHANGZHOU JIUHONG MEDICAL INSTRUMENT CO LTD
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-12-06
Anticipated expiration: 2032-06-20

Abstract

The utility model provides an energizable wire guiding device for an endoscope, which comprises a first handle and a second handle, wherein the second handle is connected with one end of the first handle in a matching way, the energizable wire guiding device comprises a wire guiding body, one end of the wire guiding body, which is far away from the second handle, is provided with an energizing connector, and the other end of the wire guiding body is fixed with the second handle and is connected with an external power supply circuit; the end of the first handle, which is far away from the second handle, is provided with a plastic coated pipe, the guide wire body is arranged in the plastic coated pipe in a penetrating way, and the guide wire body is arranged to operably extend out of the plastic coated pipe. The utility model has the advantages of reasonable design, design the electrically conductive seal wire of accessible external power supply on the endoscope, when the seal wire passes through the endoscope and arrives focus department, touch the spot formation plaque to focus department after the circular telegram, continue to deepen to the plaque and establish the passageway, can supply the direct jam that gets into the tiny natural passageway of human that diagnostic therapy or mediation lead to because of the pathological reason of complete sets of apparatus, effectively reduce the apparatus cost, for the disease reduces treatment cost, have good social.

Description

Energizable wire guide device for endoscope

Technical Field

The utility model relates to the technical field of medical equipment, in particular to endoscope equipment, in particular to an energizable wire guide device for an endoscope.

Background

In the prior art, a guide wire instrument is usually adopted to enter a natural pore canal of a human body through a forceps channel hole of an endoscope so as to complete the establishment of a channel for a narrow part, but the scheme has the premise that the narrow part exists, so that the narrow part can be used for perforating the narrow part of the human body, and under the condition that some guide wires are too narrow to penetrate through or cannot penetrate through to bring great pain to a patient, a better solution is not provided in the prior art.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome prior art not enough, the utility model provides an endoscope is with seal wire device that can switch on makes the seal wire circular telegram through external power supply, can carry out the ionization firing to tiny position, and the passageway is established in the perforation, and the tiny natural passage of human body that the confession accessory instrument of being convenient for can directly get into the treatment diagnosis or lead to because of the pathological reason blocks up and dredge, effectively reduces the apparatus cost, reduces treatment cost for the disease.

The utility model provides a technical scheme that its technical problem adopted is: an energizable guide wire device for an endoscope comprises a first handle and a second handle, wherein the second handle is connected to one end of the first handle in a matching manner, the energizable guide wire comprises a guide wire body, one end, far away from the second handle, of the guide wire body is provided with an energizing connector, and the other end of the guide wire body is fixed with the second handle and is connected with an external power supply circuit; the end of the first handle, which is far away from the second handle, is provided with a plastic coated pipe, the guide wire body is arranged in the plastic coated pipe in a penetrating way, and the guide wire body is arranged to operably extend out of the plastic coated pipe.

In the scheme, the electrified wire guiding device adopts an external power circuit to supply power, and after the electrified wire guiding device is electrified, the electrified connector can ionize and burn a focus to form a plaque, so that the plaque can be deepened to penetrate through fine parts and establish a channel, or the blockage is dredged.

Furthermore, in order to facilitate the electrified guide wire to expand the channel and facilitate the front end of the electrified guide wire to form different bending or bending states, a pre-bending section formed by pre-bending is arranged at one side of the guide wire body, which is far away from the electrified joint.

Furthermore, the first handle is sequentially provided with four matching holes at intervals from one end far away from the second handle, wherein the four matching holes are respectively a back bending matching hole, a straight matching hole and a back matching hole, and the front end of the second handle is provided with a buckle which is respectively in counterpoint buckle matching with the four matching holes; the pre-bending section of the guide wire body is provided with four stations respectively, namely a bending station, a straightening-out station and a withdrawing station, along with the matching of the second handle and the first handle; when the buckle is connected with the return-bending matching hole buckle, the pre-bending section of the guide wire body is positioned at the return-bending station; when the buckle is connected with the bent matching hole buckle, the pre-bending section of the guide wire body is positioned at a bending station; when the buckle is connected with the straight-out matching hole buckle, the pre-bending section of the guide wire body is positioned at the straight-out station; when the buckle is connected with the withdrawing matching hole buckle, the pre-bending section of the guide wire body is positioned at the withdrawing station.

Further, when the pre-bending section is positioned at the back bending station, the pre-bending section of the guide wire body extends out of the plastic-coated pipe completely, and the bending angle is not more than 90 degrees; when the pre-bending section is positioned at the bending station, the pre-bending section of the guide wire body extends out of the plastic coated pipe, and the angle formed by bending the guide wire body is not less than 90 degrees; when the pre-bending section is positioned at the straight-out station, the pre-bending section of the guide wire body is positioned in the plastic coated pipe, and the pre-bending section of the guide wire body is in a straight state; when the pre-bending section is located at the withdrawing station, the power-on connector of the guide wire body is located in the plastic coated pipe.

Preferably, in order to wrap and protect the energizable guide wire, the guide wire body is coated with a plastic coating layer on the circumferential outer surface of the corresponding pre-bent section and the circumferential outer surface of the segment of the pre-bent section close to the first handle side, and the circumferential outer surface of the segment of the corresponding pre-bent part of the guide wire body far away from the first handle side to the energizing joint is surrounded by a spring tube.

Preferably, the spring tube is laser welded to the guidewire body.

Preferably, the guide wire body is welded with the power connector at high temperature.

Preferably, the power connector is made of stainless steel.

The beneficial effects of the utility model are that, the utility model provides a pair of endoscope is with circular telegram wire device, structural design is reasonable, when circular telegram wire device reaches focus department through the endoscope, form the patch to focus department point contact after the circular telegram, continue to deepen to the patch and establish the passageway, be convenient for supply supporting apparatus directly to get into the treatment diagnosis or dredge because of the tiny natural channel of human body that the pathology reason leads to blocks up, effectively reduce the apparatus cost, for the disease reduces treatment cost, good social has.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the preferred embodiment of the present invention.

FIG. 2 is a schematic view of a second handle of the energizable guidewire device.

Fig. 3 is a partial schematic view of the pre-bent section of the guide wire body in the preferred embodiment of the present invention when the pre-bent section is located at the straight-out station.

Fig. 4 is a partial schematic view of the pre-bent section of the guide wire body in the bending station according to the preferred embodiment of the present invention.

Fig. 5 is a partial schematic view of the pre-bent section of the guide wire body in the preferred embodiment of the present invention at the back bending station.

In the drawing, the device comprises a power connector 1, a spring tube 3, a plastic coating 4, a guide wire body 5, a plastic coated tube 6, a protective sleeve 7, a first handle 8, a second handle 9-1, a back-bending matching hole 9-2, a bending matching hole 9-3, a straight-out matching hole 9-4, a back-bending matching hole 10 and a buckle.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

The energizable wire guiding device for the endoscope shown in fig. 1 is a preferred embodiment of the present invention, and comprises a first handle 7 and a second handle 8, wherein the second handle 8 is connected to one end of the first handle 7 in a matching way, the energizable wire comprises a wire guiding body 4, one end of the wire guiding body 4 far away from the second handle 8 is provided with an energizing connector 1, and the other end is fixed with the second handle 8 and is connected with an external power circuit. The second handle 8 is internally provided with a threaded electrode seat which is connected with an external power circuit. The one end that second handle 8 was kept away from to first handle 7 has protecting pipe 6, and the one end that first handle 7 was kept away from to protecting pipe 6 is fixed with plastic-coated pipe 5. The guide wire body 4 is arranged in the plastic coated tube 5 in a penetrating way, and the guide wire body 4 is arranged to operably extend out of the plastic coated tube 5. The guide wire body 4 is provided with a pre-bending section formed by pre-bending. Meanwhile, the guide wire body 4 is coated with the plastic coating 3 correspondingly to the pre-bending section and the circumferential outer surface of the pre-bending section close to the first handle 6, and the guide wire body 4 is provided with the spring tube 2 corresponding to the circumferential outer surface of the pre-bending section far away from the first handle 7 to the part between the electrified joints 1. The plastic-coated pipe 5 and the plastic-coated coating 3 can effectively carry out insulation protection on the position of the non-electrified joint 1 of the guide wire body 4, avoid the electric leakage phenomenon and ensure the use safety. The guide wire body 4 can be made of nickel titanium wire with both conductivity and shape memory functions, and other materials with the same or similar functions can also be adopted.

When the energizable wire guide device for the endoscope is used, the position of the energizing connector 1 is adjusted through the relative position of the pre-bent section formed by pre-bending and the plastic-coated tube 5, and the electroporation manufacturing channel and the electroporation reaming operation, namely the channel widening operation, are performed on the focus.

The circular telegram connects 1 preferred stainless steel material, through high temperature and the welding of seal wire body 4, spring pipe 2 is through laser welding to seal wire body 4 on.

In practical design, as shown in fig. 1, the first handle 7 is sequentially spaced from the end far away from the second handle 8 by four matching holes (i.e. four matching holes are sequentially spaced from front to back), namely a back matching hole 9-1, a bent matching hole 9-2, a straight matching hole 9-3 and a back matching hole 9-4. As shown in fig. 2, the front end of the second handle 8 has a buckle 10, and the buckle 10 is respectively aligned and buckled with the four matching holes. The pre-bending section of the guide wire body 4 is respectively provided with four stations along with the matching of the second handle 8 and the first handle 7, namely a back bending station, a straight-out station and a withdrawing station.

When the buckle 10 is connected with the retraction matching hole 9-4 in a buckling mode, the pre-bending section is located at the retraction station, the power connector 1 of the guide wire body 4 is located in the plastic-coated pipe 5, the pre-bending section of the guide wire body 4 is limited in the inner cavity of the plastic-coated pipe 5, and the pre-bending section of the guide wire body 4 is in a straight state. At this time, the guide wire body 4 is recovered in the plastic-covered tube 5, and is in the initial power failure state.

When the buckle 10 is connected with the straight mating hole 9-3 in a buckle mode, as shown in fig. 3, the pre-bending section is located at the straight station, the pre-bending section of the guide wire body 4 is located in the plastic coated pipe 5, the pre-bending section of the guide wire body 4 is still limited in the inner cavity of the plastic coated pipe 5, and the pre-bending section of the guide wire body 4 is in a straight state. At the moment, the power-on connector 1 of the guide wire body 4 extends out of the plastic-coated tube 5, and after the guide wire body 4 is powered on, the power-on connector 1 is powered on to be in contact with a focus to realize a process of perforating and establishing a channel.

When the buckle 10 is connected with the bent matching hole 9-2 in a buckle mode, as shown in fig. 4, the pre-bending section is located at a bending station, the pre-bending section of the guide wire body 4 extends out of the plastic coated pipe 5, part of the pre-bending section of the guide wire body 4 is still located in the plastic coated pipe 5, the pre-bending section extending out of the plastic coated pipe 5 is released, partial springback occurs according to the preset shape, the pre-bending section located in the plastic coated pipe 5 is still limited to be in a straight state by the plastic coated pipe 5, and a partial springback state that the angle formed by bending the guide wire body 4 is not less than 90 degrees is formed. At this moment, the power-on connector 1 is a tiny channel inner wall established when the power-on connector 1 is obliquely directed to a straight state, and the tiny channel can be widened by rotating the power-on connector 1, so that the channel can be conveniently expanded in the circumferential direction.

When the buckle 10 is connected with the back bending matching hole 9-1 in a buckling mode, as shown in fig. 5, the pre-bending section is located at the back bending station, the pre-bending section of the guide wire body 4 extends out of the plastic-coated pipe 5 completely, the pre-bending section is released completely and rebounds according to presetting, and a back bending state that the bending angle is not larger than 90 degrees is formed. At the moment, the pre-bending section of the guide wire body 4 completely extends out of the plastic-coated pipe 5 and can completely return to the preset curvature, at the moment, the power-on connector 1 obliquely points to the other direction of the inner wall of the fine channel and can also widen the fine channel, and the bending station has different angles relative to the bending station and is in a bending state, so that the electric shock widening device is suitable for electric shock widening operation in a bending state.

The electrified guide wire device for the endoscope is reasonable in structural design, when the electrified guide wire device reaches a focus through the endoscope, the electrified guide wire device is in point contact with the focus to form a plaque, the plaque is continuously deepened to establish a channel, and a matched instrument can enter treatment diagnosis or dredge blockage of a small natural channel of a human body caused by pathological reasons, so that the instrument cost is effectively reduced, treatment cost is reduced for patients, and good social benefits are achieved. When a channel is actually established, different stations can be selected by adjusting different buckle point positions according to the requirements of the diameter and the shape of the channel to be established; different stations can also be combined and used to establish channels as required.

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 description, and must be determined according to the scope of the claims.

Claims

1. An energizable guidewire device for endoscopes, comprising a first handle (7) and a second handle (8), said second handle (8) being fittingly connected to one end of the first handle (7), characterized in that: the guide wire capable of being electrified comprises a guide wire body (4), wherein one end, far away from the second handle (8), of the guide wire body (4) is provided with an electrifying joint (1), and the other end of the guide wire body is fixed with the second handle (8) and is connected with an external power circuit; the end, far away from the second handle (8), of the first handle (7) is provided with a plastic coated pipe (5), the guide wire body (4) is arranged in the plastic coated pipe (5) in a penetrating mode, and the guide wire body (4) is arranged to operably extend out of the plastic coated pipe (5).

2. An energizable guidewire device for endoscopes according to claim 1, wherein: the guide wire body (4) is provided with a pre-bending section formed by pre-bending.

3. An energizable guidewire device for endoscopes according to claim 2, wherein: the first handle (7) is sequentially provided with four matching holes which are a back-bending matching hole (9-1), a bending matching hole (9-2), a straight-out matching hole (9-3) and a back-out matching hole (9-4) at intervals from one end far away from the second handle (8), a buckle (10) is arranged between the second handle (8) and the first handle (7), and the buckle (10) is respectively in counterpoint buckle matching with the four matching holes; the pre-bending section of the guide wire body (4) is provided with four stations which are respectively a bending station, a straight-out station and a withdrawing station along with the matching of the second handle (8) and the first handle (7); when the buckle (10) is in buckle connection with the recursion matching hole (9-1), the pre-bending section of the guide wire body (4) is located at the recursion station; when the buckle (10) is in buckle connection with the bending matching hole (9-2), the pre-bending section of the guide wire body (4) is located at a bending station; when the buckle (10) is in buckle connection with the straight-out matching hole (9-3), the pre-bending section of the guide wire body (4) is located at the straight-out station; when the buckle (10) is connected with the retraction matching hole (9-4) in a buckling manner, the pre-bending section of the guide wire body (4) is positioned at the retraction station.

4. An energizable guidewire apparatus for endoscopes according to claim 3, wherein: when the pre-bending section is positioned at the back bending station, the pre-bending section of the guide wire body (4) extends out of the plastic-coated pipe (5), and the bending angle is not more than 90 degrees; when the pre-bending section is positioned at the bending station, the pre-bending section of the guide wire body (4) extends out of the plastic coated pipe (5), and the angle formed by bending the guide wire body (4) is not less than 90 degrees; when the pre-bending section is positioned at the straight-out station, the pre-bending section of the guide wire body (4) is positioned in the plastic coated pipe (5), and the pre-bending section of the guide wire body (4) is in a straight state; when the pre-bending section is located at the withdrawing station, the power-on connector (1) of the guide wire body (4) is located in the plastic-coated pipe (5).

5. An energizable guidewire device for endoscopes according to claim 2, wherein: the guide wire body (4) is corresponding to the pre-bending section and the circumferential outer surface of the section of the pre-bending section close to the first handle (7) is coated with a plastic coating (3), and the guide wire body (4) is corresponding to the circumferential outer surface of the section of the pre-bending section far away from the first handle (7) to the position between the electrified joints (1) and is surrounded with a spring pipe (2).

6. An energizable guidewire device for endoscopes according to claim 5, wherein: the spring tube (2) is welded with the guide wire body (4) in a laser mode.

7. An energizable guidewire device for endoscopes according to claim 1, wherein: the guide wire body (4) is welded with the power-on connector (1) at high temperature.

8. An energizable guidewire device for endoscopes according to any of the claims 1-7, wherein: the power-on connector (1) is made of stainless steel.