Medical energy guide wire convenient to control

Abstract

The utility model relates to a medical energy guide wire convenient to control, which sequentially comprises a head end and a supporting rod from far to near, the far end of the supporting rod is of a segmented structure, the supporting rod is connected with the head end through an energy transmitting assembly, the near end of the supporting rod is provided with a channel opening, the supporting rod is of a cavity structure, and a center wire is arranged in the cavity. The far end of the center wire sequentially penetrates through the segmented structure and the energy emitting assembly to be connected with the head end, and the near end of the center wire penetrates out of a channel opening in the near end of the supporting rod. Compared with the prior art, by controlling the center wire and the energy emitting assembly, the guide wire can directly control the direction and the angle in vitro in real time, energy waves can be emitted to directly break down or break calcified plaques, the success rate of an operation can be remarkably increased, the operation mode of a doctor is simplified, and the operation time of the operation is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to a medical guide wire, concretely relates to a medical energy guide wire convenient to control belongs to medical instrument technical field. BACKGROUND

[0002] Coronary calcification is a kind of coronary arteriosclerosis, it is to form calcified plaque on the basis of coronary atherosclerosis, these plaques are usually hard and not easy to break, with twist, angle, diffuse, easy to cause coronary artery stenosis, and then cause heart blood supply shortage, because its lesion blood vessel meanders, it is difficult for guide wire to be in place, the operation experience requirement of doctor is higher, it is always a big difficulty of percutaneous coronary intervention (PCI). For severe stenosis caused by coronary calcified plaque, a variety of interventional treatment methods are usually used in clinic, including coronary rotary grinding, shock wave balloon treatment and using specific guide wire system such as Soundbite shock wave guide wire through system etc., the above-mentioned technologies each has characteristics, but still there are some shortcomings: although coronary rotary grinding can directly remove calcified plaque, when lesion blood vessel is too meandering, rotary grinding device is difficult to accurately reach the lesion site, leading to the difficulty of the method to be implemented;Shock wave balloon technology "knocks" the calcification in the blood vessel by impact wave, makes calcified plaque fragment, provides the possibility for subsequent treatment, but there are some potential shortcomings and limitations in use, in some serious stenosis or extremely tortuous lesions, shock wave balloon may not pass through, therefore other technologies such as rotary grinding may be needed to pretreat calcified lesions, this step not only consumes time and effort, but also may increase the risk of operation and the discomfort of patients;Soundbite shock wave guide wire system, which uses high-intensity vibration released by the guide wire to fragment or generate small cracks in the calcified plaque, thereby helping the guide wire to pass through the occluded site, but it is inconvenient to control the direction angle of the guide wire in the meandering blood vessel, and the operator is required to be high, and the treatment effect is limited. Therefore, it is necessary to develop a kind of medical energy guide wire which can not only emit energy, but also facilitate the control of the direction angle of the guide wire in the body. UTILITY MODEL CONTENTS

[0003] In order to solve the above technical problems, the utility model designs a kind of medical energy guide wire convenient to control, its technical scheme is as follows:

[0004] A kind of medical energy guide wire convenient to control, from far to near, it is head end and support rod in sequence, the support rod far end is segmented structure, the support rod is connected with head end by energy emission component, the support rod near end is provided with passageway, the support rod is cavity structure, the cavity is provided with center wire, the center wire far end is sequentially penetrated the segmented structure, the energy emission component and the head end connection, the center wire near end is from support rod near end passageway and goes out.

[0005] Optionally, the segment structure is sequentially composed of a narrow neck segment, a variable diameter segment, a pitch-gradually-changing cutting segment and a circular tube segment from far to near, and the narrow neck segment is connected with the energy emitting assembly.

[0006] Optionally, the energy emitting assembly comprises a distal end energy emitter, a conductive circular tube, a proximal end energy emitter, a distal end electrode wire and a proximal end electrode wire, the distal end energy emitter and the proximal end energy emitter are respectively arranged at two ends of the conductive circular tube, the distal end energy emitter is connected with the head end, and the proximal end energy emitter is connected with the narrow neck segment.

[0007] Optionally, the distal end electrode wire is arranged in the cavity of the support rod and the conductive circular tube.

[0008] Optionally, the proximal end electrode wire is arranged in the cavity of the support rod.

[0009] Optionally, the conductive circular tube is made of a conductive material which can be developed under X-ray.

[0010] Optionally, a distal end developing elastic assembly is arranged between the distal end energy emitter and the head end.

[0011] Optionally, the proximal end energy emitter, the distal end energy emitter, the distal end developing elastic assembly and the head end are externally attached with an insulating coating.

[0012] Optionally, the channel opening of the proximal end of the support rod comprises a center wire outlet and an electrode wire interface, the center wire passes out of the center wire outlet, and the distal end electrode wire and the proximal end electrode wire are connected with the electrode wire interface.

[0013] Compared with the prior art, the beneficial effects are that by controlling the center wire and the energy emitting assembly, the guide wire can be directly controlled in real time in the external body in terms of direction and angle, and energy waves can be emitted to directly break through or make calcified plaques crumble, so that the success rate of operation is significantly improved, the operation of the doctor is simplified, and the operation time is shortened. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure diagram of the medical energy guide wire convenient to control.

[0015] Figure 2 It is a whole sectional view of the medical energy guide wire convenient to control.

[0016] Figure 3 It is Figure 1 It is a sectional view of the position I.

[0017] Figure 4 It is Figure 1 It is a sectional view of the position II.

[0018] Figure 5 is the overall structure diagram of the support rod of the utility model;

[0019] In the figure: 1, head end, 2, far end developing elastic assembly, 3, center wire, 4, far end energy emitter, 5, conductive round pipe, 6, near end energy emitter, 7, far end electrode wire, 8, near end electrode wire, 9, support rod, 10, sheath, 11, near end electrode wire connecting point, 12, far end electrode wire connecting point, 13, round pipe section, 14, pitch gradually changing cutting section, 15, variable diameter section, 16, narrow neck section. DETAILED DESCRIPTION

[0020] In order for those skilled in the art to better understand the technical scheme of the utility model, the specific implementation of the utility model will be described in detail below with reference to the drawings.

[0021] In order to avoid ambiguity, the orientation is defined as follows: the guide wire device close to the operator is the near end, and the far end away from the operator is the far end. EMBODIMENT

[0022] Please refer to Figures 1-5 , the utility model discloses an embodiment, a medical energy guide wire convenient to control, including head end 1, far end developing elastic assembly 2, center wire 3, far end energy emitter 4, conductive round pipe 5, near end energy emitter 6, far end electrode wire 7, near end electrode wire 8, support rod 9 and the external insulation coating and sheath 10 of attached. EMBODIMENT

[0023] As Figure 1 , a medical energy guide wire convenient to control is designed, specifically, far end developing elastic assembly 2 is located between head end 1 and far end energy emitter 4, far end energy emitter 4 and near end energy emitter 6 are connected at both ends of conductive round pipe 5, and support rod 9 is connected with near end energy emitter 6 and conductive round pipe 5 at the far end. Wherein, support rod 9 is metal material or high polymer material, such as stainless steel, nickel-titanium alloy, polyether ether ketone, etc. ; Conductive round pipe 5 is conductive material, preferably the conductive material that can develop under X-ray. The conductive round pipe 5 connected with far end energy emitter 4 and near end energy emitter 6 is located between far end developing elastic assembly 2 and support rod 9, and its external insulation coating and sheath 10 are attached. EMBODIMENT

[0024] As Figure 1 , far end electrode wire 7 and near end electrode wire 8 stretch out from the near end port of support rod 9, connect energy generator, and center wire 3 also stretches out from the near end port of support rod 9, which can be directly manually controlled or connected with handle control device. EMBODIMENT

[0025] As Figure 2As shown, the distal developing elastic component 2 is connected to the central wire 3, wherein the central wire 3 is located within the distal developing elastic component 2, the distal energy emitter 4, the conductive round tube 5, the proximal energy emitter 6, and the support rod 9, and the distal end of the central wire 3 is connected to the head end 1. The central wire 3 is preferably made of metal, such as 304 stainless steel. The proximal energy emitter 6 is provided with a proximal electrode wire connection point 11, and the distal energy emitter 4 is provided with a distal electrode wire connection point 12. Example

[0026] like Figure 3 As shown, the distal electrode wire 7 and the central wire 3 are inside the conductive circular tube 5, which is provided with an insulating coating and a sheath 10. Example

[0027] like Figure 4 As shown, the inner cavity of the support rod 9 contains a central wire 3, a distal electrode wire 7, and a proximal electrode wire 8. The support rod 9 is covered with an insulating coating and a sheath 10. Example

[0028] like Figure 5 As shown, the support rod 3 adopts a segmented design to achieve flexibility at the distal end of the guide wire while maintaining its excellent support. In this embodiment, the support rod 3 is designed sequentially from the proximal end as a round tube section 13, a pitch-gradient cutting section 14, a diameter-changing section 15, and a narrow neck section 16. Example

[0029] like Figures 1-5 As shown, this utility model discloses an easy-to-control medical energy guidewire. The proximal end of the support rod 9 is provided with two channels: an electrode wire interface and a central wire outlet. In use, the bending angle of the guidewire tip in the tortuous blood vessel is adjusted by the central wire 3 passing through the central wire outlet, so that it can quickly reach the target location of the lesion. After reaching the lesion location, the electrode wire interface is connected to the energy generator, and the switch of the energy generator is turned on. The energy is transmitted to the proximal energy emitter 6 and the distal energy emitter 4 through the distal electrode wire 7 and the proximal electrode wire 8. The guidewire emits energy through the conductive round tube 5, achieving the energy release effect of rupturing the lesion.

[0030] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present utility model and are not intended to limit the present utility model. Any changes or modifications to the above embodiments within the scope of the essential spirit of the present utility model will fall within the scope of the claims of the present utility model.

Claims

1. A medical energy guide wire which is easy to handle, comprising a head end and a support rod in order from far to near, characterized in that, The support rod (9) is of a segmented structure at the distal end, and is connected with the head end (1) through an energy emitting assembly. The proximal end of the support rod (9) is provided with a passage opening. The support rod (9) is of a hollow structure, and a center wire (3) is arranged in the hollow structure. The distal end of the center wire (3) is sequentially connected with the segmented structure, the energy emitting assembly and the head end (1). The proximal end of the center wire (3) is led out of the passage opening at the proximal end of the support rod (9).

2. The medical energy guide wire convenient to operate according to claim 1, characterized in that, The segmented structure sequentially comprises a narrow neck segment (16), a variable diameter segment (15), a pitch gradually changing cutting segment (14) and a circular tube segment (13) from the distal end to the proximal end. The narrow neck segment (16) is connected with the energy emitting assembly.

3. The medical energy guide wire convenient to operate according to claim 2, characterized in that, The energy emitting assembly comprises a distal end energy emitter (4), a conductive circular tube (5), a proximal end energy emitter (6), a distal end electrode wire (7) and a proximal end electrode wire (8). The distal end energy emitter (4) and the proximal end energy emitter (6) are respectively arranged at two ends of the conductive circular tube (5). The distal end energy emitter (4) is connected with the head end (1). The proximal end energy emitter (6) is connected with the narrow neck segment (16).

4. The medical energy guide wire convenient to operate according to claim 3, characterized in that, The distal end electrode wire (7) is arranged in the hollow structure of the support rod (9) and the conductive circular tube (5).

5. The medical energy guide wire convenient to operate according to claim 3, characterized in that, The proximal end electrode wire (8) is arranged in the hollow structure of the support rod (9).

6. The medical energy guide wire convenient to operate according to claim 3, characterized in that, The conductive circular tube (5) is made of a conductive material which can be developed under X-ray.

7. The medical energy guide wire convenient to operate according to claim 3, characterized in that, A distal end developing elastic assembly (2) is arranged between the distal end energy emitter (4) and the head end (1).

8. The medical energy guide wire convenient to operate according to claim 7, characterized in that, The proximal end energy emitter (6), the distal end energy emitter (4), the distal end developing elastic assembly (2) and the head end (1) are externally provided with an insulating coating.

9. The medical energy guide wire convenient to operate according to claim 3, characterized in that, The passage opening at the proximal end of the support rod (9) comprises a center wire outlet and an electrode wire interface. The center wire (3) is led out of the center wire outlet. The distal end electrode wire (7) and the proximal end electrode wire (8) are connected with the electrode wire interface.

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