Medical guide wire with adjustable booster

Abstract

The medical guide wire comprises a shell, a channel is formed in the shell, a guide wire body is arranged in the channel, one end of the guide wire body extends out of the channel and is fixedly connected with a guide head, a pushing opening is formed in the upper end of the shell, and the other end of the guide wire body extends out of the channel and is fixedly connected with the guide head. A pushing opening is formed in the upper end of the shell, a pushing mechanism located above the pushing opening is arranged at the upper end of the shell, a first mounting groove is formed in the shell and located below the pushing opening, and an abutting mechanism is arranged in the first mounting groove. According to the guide wire pushing device, the pushing length of the guide wire can be counted, then the pushing length of the guide wire can be accurately obtained, the abutting mechanism can be movably adjusted, and after the abutting mechanism is separated from the guide wire, the guide wire can be conveniently replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a medical guide wire with an adjustable booster. Background Art

[0002] Currently, interventional therapy is an emerging treatment method between surgical and medical treatment. It is the least invasive treatment method. A tiny channel is created in the blood vessels or skin, and local treatment is performed under the guidance of imaging equipment. Typically, a guidewire is used to assist the catheter in inserting the guidewire into the patient's lesion. During the guidewire placement process, a guidewire pusher is used to deliver the guidewire to the desired location.

[0003] However, with current guidewire pushers, medical staff usually estimate the length of the guidewire to be inserted into the human body by the length mark on the guidewire, which is not accurate enough and lacks adjustability, making it inconvenient to replace the guidewire. Therefore, it is necessary to design a medical guidewire with an adjustable booster. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a medical guide wire with an adjustable booster.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A medical guidewire with an adjustable booster includes a shell, a channel is provided inside the shell, a guidewire is provided inside the channel, one end of the guidewire extends out of the channel and is fixedly connected to a guide head, a push port is provided at the upper end of the shell, a push mechanism is provided at the upper end of the shell located above the push port, a first mounting groove is provided inside the shell, the first mounting groove is located below the push port, and a tightening mechanism is provided inside the first mounting groove.

[0007] As a further improvement of the present invention, the pushing mechanism includes two fixed blocks fixedly connected to the upper end of the shell, a pushing wheel is provided between the two fixed blocks, the wheel axles at both ends of the pushing wheel respectively pass through the two fixed blocks, and the pushing wheel is rotatably connected to the fixed blocks.

[0008] As a further improvement of the present invention, the clamping mechanism includes a wheel frame that is arranged through the first mounting groove, the lower side wall of the shell is provided with a second mounting groove, the second mounting groove is located below the first mounting groove, the inner side of the wheel frame is fixedly connected to a connecting plate, the lower end of the connecting plate is rotatably connected to a driving screw, the lower end of the driving screw passes through the inner bottom wall of the first mounting groove and extends to the inside of the second mounting groove, the driving screw is threadedly connected to the inner bottom wall of the first mounting groove, and two clamping wheels are provided on the inner side of the wheel frame, the two clamping wheels are symmetrically arranged on both sides of the connecting plate, the wheel axles at both ends of the clamping wheel pass through the wheel frame, and the clamping wheel is rotatably connected to the wheel frame.

[0009] As a further improvement of the present invention, a meter counter is installed on the side wall of one of the fixed blocks, and the axle at one end of the pushing wheel is connected to the input end of the meter counter.

[0010] As a further improvement of the present invention, an anti-slip protrusion is provided on the wheel wall of the pushing wheel, and the anti-slip protrusion is a rectangular structure.

[0011] As a further improvement of the present invention, a handle is fixedly connected to the lower end of the driving screw.

[0012] As a further improvement of the present invention, the handle and the drive screw are integrally formed.

[0013] As a further improvement of the present invention, the channel is a spiral structure.

[0014] As a further improvement of the present invention, limiting sliding grooves are provided on the inner walls on both sides opposite to each other of the first mounting groove, and the interiors of the two limiting sliding grooves are slidably connected to limiting sliders, and the two limiting sliders are respectively fixedly connected to the two ends of the wheel frame.

[0015] As a further improvement of the present invention, a locking screw is provided through the side wall of the shell, the locking screw is threadedly connected to the shell, and the end of the locking screw extends to the inside of the second mounting groove and is fixedly connected to a non-slip rubber head.

[0016] Beneficial effects of the utility model:

[0017] By setting up a pushing mechanism and a meter counter, the guide wire can be pushed out by pushing the pushing wheel to rotate and utilizing the friction between the pushing wheel and the guide wire. When the pushing wheel rotates, the meter counter can be driven to rotate, and the length of the guide wire pushed can be counted by the meter counter, thereby accurately obtaining the length of the guide wire pushed.

[0018] By setting up a tightening mechanism and cooperating with the pushing wheel, the guide wire can be clamped to ensure the stability of the guide wire pushing, and the tightening mechanism can be moved and adjusted. After separating the tightening mechanism from the guide wire, the guide wire can be easily replaced.

[0019] The utility model can count the length of the guide wire pushed, and thus can accurately obtain the length of the guide wire pushed, and the tightening mechanism can be moved and adjusted, and after the tightening mechanism is separated from the guide wire, the guide wire can be conveniently replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of a medical guide wire with an adjustable booster proposed by the utility model;

[0021] Figure 2 This is a schematic top view of the structure of a fixing block, a pushing wheel, and a meter counter of a medical guide wire with an adjustable booster proposed in the present invention;

[0022] Figure 3 This is a structural diagram of a wheel frame, a holding wheel, and a connecting plate of a medical guide wire with an adjustable booster proposed by the present invention;

[0023] Figure 4 This is a structural schematic diagram of a second embodiment of a medical guide wire with an adjustable booster proposed by the present utility model;

[0024] Figure 5 This is a structural schematic diagram of a third embodiment of a medical guide wire with an adjustable booster proposed by the present utility model.

[0025] In the figure: 1 housing, 2 channel, 3 guide wire, 4 guide head, 5 push wheel, 6 fixing block, 7 push port, 8 first mounting groove, 9 wheel frame, 10 clamping wheel, 11 driving screw, 12 second mounting groove, 13 handle, 14 meter counter, 15 connecting plate, 16 limiting slider, 17 limiting slide groove, 18 locking screw, 19 anti-slip rubber head. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] Example 1

[0028] Reference Figure 1-3A medical guidewire with an adjustable booster includes a shell 1, a channel 2 is provided inside the shell 1, the channel 2 is a spiral structure, a guidewire 3 is provided inside the channel 2, one end of the guidewire 3 extends out of the channel 2 and is fixedly connected to a guide head 4, a push port 7 is provided at the upper end of the shell 1, a push mechanism is provided at the upper end of the shell 1 above the push port 7, a first mounting groove 8 is provided inside the shell 1, the first mounting groove 8 is located below the push port 7, and a tightening mechanism is provided inside the first mounting groove 8.

[0029] The pushing mechanism includes two fixed blocks 6 fixedly connected to the upper end of the shell 1, and a pushing wheel 5 is provided between the two fixed blocks 6. The wheel axles at both ends of the pushing wheel 5 respectively pass through the two fixed blocks 6, and the pushing wheel 5 is rotatably connected to the fixed blocks 6. The wheel wall of the pushing wheel 5 is provided with an anti-slip protrusion, and the anti-slip protrusion is a rectangular structure. A meter counter 14 is installed on the side wall of one of the fixed blocks 6. The wheel axle at one end of the pushing wheel 5 is connected to the input end of the meter counter 14. By pushing the pushing wheel 5 to rotate, the friction between the pushing wheel 5 and the guide wire 3 can be used to push the guide wire 3 out, and when the pushing wheel 5 rotates, the meter counter 14 can be driven to rotate, and the length of the guide wire 3 pushed can be counted by the meter counter 14, so that the length of the guide wire 3 pushed can be accurately obtained.

[0030] The tightening mechanism includes a wheel frame 9 that is arranged inside the first mounting groove 8, a second mounting groove 12 is provided on the lower side wall of the housing 1, and the second mounting groove 12 is located below the first mounting groove 8. A connecting plate 15 is fixedly connected to the inner side of the wheel frame 9, and the lower end of the connecting plate 15 is rotatably connected to a driving screw 11. The lower end of the driving screw 11 passes through the inner bottom wall of the first mounting groove 8 and extends to the inside of the second mounting groove 12. The driving screw 11 is threadedly connected to the inner bottom wall of the first mounting groove 8. Two tightening wheels 10 are provided on the inner side of the wheel frame 9. The two The clamping wheel 10 is symmetrically arranged on both sides of the connecting plate 15. The wheel axles at both ends of the clamping wheel 10 pass through the wheel frame 9, and the clamping wheel 10 is rotatably connected to the wheel frame 9. The lower end of the driving screw 11 is fixedly connected to the handle 13, and the handle 13 and the driving screw 11 are integrally formed. The driving screw 11 is rotated by the handle 13 to move the driving screw 11, and the wheel frame 9 is driven downward by the driving screw 11. The clamping wheel 10 is driven downward by the wheel frame 9. After the clamping mechanism is separated from the guide wire 3, the guide wire 3 can be conveniently replaced.

[0031] Example 2

[0032] Reference Figure 4Compared with the first embodiment, this embodiment is superior in that limiting grooves 17 are provided on the inner walls on both sides of the opposite sides of the first mounting groove 8 of this embodiment, and the interiors of the two limiting grooves 17 are slidably connected to limiting sliders 16. The two limiting sliders 16 are respectively fixedly connected to the two ends of the wheel frame 9. The limiting sliders 16 slide inside the limiting grooves 17, which can guide the movement of the wheel frame 9, ensure the stability of the wheel frame 9, and at the same time ensure the stability of the pressing wheel 10 and the guide wire 3.

[0033] Example 3

[0034] Reference Figure 5 Compared with the second embodiment, this embodiment is superior in that a locking screw 18 is provided on the side wall of the shell 1 of this embodiment, and the locking screw 18 is threadedly connected to the shell 1. The end of the locking screw 18 extends to the inside of the second mounting groove 12 and is fixedly connected to a non-slip rubber head 19. By driving the locking screw 18 to rotate, the locking screw 18 can be moved toward the driving screw 11. The non-slip rubber head 19 is pressed against the driving screw 11, and the driving screw 11 can be locked and fixed to prevent the driving screw 11 from loosening, thereby ensuring the stability of the wheel frame 9 and the clamping wheel 10.

[0035] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. A medical guidewire with an adjustable booster, comprising a housing (1), characterized in that: The shell (1) is provided with a channel (2) inside, the channel (2) is provided with a guide wire (3) inside, one end of the guide wire (3) extends out of the channel (2) and is fixedly connected to a guide head (4), the upper end of the shell (1) is provided with a push port (7), the upper end of the shell (1) is provided with a push mechanism located above the push port (7), the shell (1) is provided with a first mounting groove (8) inside, the first mounting groove (8) is located below the push port (7), and the first mounting groove (8) is provided with a tightening mechanism inside.

2. The medical guide wire with an adjustable booster according to claim 1, characterized in that: The pushing mechanism comprises two fixed blocks (6) fixedly connected to the upper end of the housing (1), a pushing wheel (5) is provided between the two fixed blocks (6), the axles at both ends of the pushing wheel (5) respectively pass through the two fixed blocks (6), and the pushing wheel (5) is rotatably connected to the fixed blocks (6).

3. The medical guide wire with an adjustable booster according to claim 1, characterized in that: The clamping mechanism includes a wheel frame (9) that is arranged inside the first mounting groove (8), a second mounting groove (12) is provided on the lower side wall of the shell (1), and the second mounting groove (12) is located below the first mounting groove (8). The inner side of the wheel frame (9) is fixedly connected with a connecting plate (15), and the lower end of the connecting plate (15) is rotatably connected with a driving screw (11), and the lower end of the driving screw (11) passes through the inner bottom wall of the first mounting groove (8) and extends to the inside of the second mounting groove (12). The driving screw (11) is threadedly connected to the inner bottom wall of the first mounting groove (8), and two clamping wheels (10) are provided on the inner side of the wheel frame (9), and the two clamping wheels (10) are symmetrically arranged on both sides of the connecting plate (15). The wheel axles at both ends of the clamping wheel (10) pass through the wheel frame (9), and the clamping wheel (10) is rotatably connected to the wheel frame (9).

4. The medical guide wire with an adjustable booster according to claim 2, characterized in that: A meter counter (14) is installed on the side wall of one of the fixed blocks (6), and an axle at one end of the pushing wheel (5) is connected to the input end of the meter counter (14).

5. The medical guide wire with an adjustable booster according to claim 2, characterized in that: An anti-skid protrusion is provided on the wheel wall of the pushing wheel (5), and the anti-skid protrusion is a rectangular structure.

6. The medical guide wire with an adjustable booster according to claim 3, characterized in that: The lower end of the driving screw (11) is fixedly connected to a handle (13).

7. The medical guide wire with an adjustable booster according to claim 6, characterized in that: The handle (13) and the driving screw (11) are integrally formed.

8. The medical guide wire with an adjustable booster according to claim 1, characterized in that: The channel (2) is a spiral structure.

9. The medical guide wire with an adjustable booster according to claim 3, characterized in that: Limiting slide grooves (17) are provided on the inner walls on both sides opposite to each other of the first mounting groove (8), and the interiors of the two limiting slide grooves (17) are slidably connected to limiting sliders (16), and the two limiting sliders (16) are fixedly connected to the two ends of the wheel frame (9), respectively.

10. The medical guide wire with an adjustable booster according to claim 1, characterized in that: A locking screw (18) is provided through the side wall of the housing (1), the locking screw (18) is threadedly connected to the housing (1), and the end of the locking screw (18) extends into the interior of the second mounting groove (12) and is fixedly connected to a non-slip rubber head (19).

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