Soft tissue positioning guidewire pushing device

Abstract

The application discloses a soft tissue positioning guide wire pushing device, which comprises a positioning guide wire main body, a positioning mark is fixed on one side of the positioning guide wire main body, a positioning hook is fixed on one side of the positioning mark, a pushing guide rail penetrates through the outside of the positioning guide wire main body, a pushing structure is installed in the inside of the pushing guide rail, and the pushing structure comprises a pushing button which is installed in the inside of the pushing guide rail. The tail clamping position is wrapped by the guide wire sheath, the positioning guide wire main body is clamped and positioned, the tail clamping position is tightly held by the guide wire sheath so as to clamp and position the positioning guide wire main body, a positioning guide wire main body clamping device is added on the basis of the original device, the positioning guide wire main body is not easily pushed out accidentally, and the positioning guide wire main body can be easily withdrawn after being pushed out, and the convenience during operation is improved.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to a soft tissue positioning guidewire delivery device. Background Technology

[0002] The positioning guidewire is designed as a preoperative marker for suspicious soft tissues that are difficult to palpate, assisting surgeons in locating them during surgery. The positioning guidewire is used to mark soft tissues, ensuring that the location of the lesion can be determined using radiographic imaging examinations such as ultrasound and mammography. After the puncture needle reaches the target point, the guidewire can be placed into the tumor area. In the conventional structure, the guidewire is placed directly in the puncture needle without a pusher device. Currently, with soft tissue positioning guidewire pushers, it is actually quite difficult to retract the guidewire after it has been accidentally pushed out. It requires the other hand to grab the guidewire and pull it back, which is quite inconvenient. Summary of the Invention

[0003] (a) Technical problems to be solved

[0004] The purpose of this invention is to provide a soft tissue positioning guidewire pushing device to solve the problem that existing devices are difficult to retract after the positioning wire is accidentally pushed out, requiring the other hand to grab the guidewire and pull it back, which is inconvenient to operate. (II) Summary of the Invention

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a soft tissue positioning guidewire pushing device, comprising a positioning guidewire body, a positioning mark fixed on one side of the positioning guidewire body, and a positioning hook fixed on one side of the positioning mark, a pushing guide rail penetrating the outside of the positioning guidewire body, a pushing structure installed inside the pushing guide rail, the pushing structure including a pushing button, the pushing button being installed inside the pushing guide rail.

[0007] Preferably, the outer diameter of the positioning mark is slightly larger than the outer diameter of the positioning guide wire body, the positioning hook is in a pre-bent state, and the positioning guide wire body is made of shape memory metal.

[0008] Preferably, the push rail has a guide groove inside, an end stop is provided on one side of the bottom of the push rail, and a start stop is provided on the other side of the bottom of the push rail.

[0009] Preferably, a push tube is fixed on one side inside the push button, and a tail clamping position is fixed on the other side inside the push button. A guide wire sheath is provided outside the tail clamping position.

[0010] Preferably, a puncture needle holder is engaged on one side of the push guide rail, and a puncture needle tube is fixed on one side of the puncture needle holder.

[0011] Preferably, the tail clip and the guide wire sheath are matched, and the tail clip and the guide wire sheath form an engaging structure.

[0012] Preferably, the inside of the push button is connected to the push tube, and the puncture needle seat and the puncture needle tube are connected.

[0013] (III) Beneficial Effects

[0014] The present invention provides a soft tissue positioning guidewire pushing device, which has the following advantages: by setting a guidewire sheath, the tail clamping position is wrapped by the guidewire sheath and clamps the positioning guidewire body. The guidewire sheath hugs the tail clamping position to clamp the positioning guidewire body. On the basis of the original device, a positioning guidewire body fastening device is added, so that the positioning guidewire body is not easily pushed out accidentally, and can be easily retracted after being pushed out, which improves the convenience of operation.

[0015] By setting up a push structure, the needle tip of the puncture needle is inserted into the suspected soft tissue. If the positioning guidewire body is pushed to the wrong position or is difficult to push and needs to be withdrawn, simply press the push button and the positioning guidewire body will return to the puncture needle, which improves the safety of pushing.

[0016] With the positioning hook provided, the positioning hook at the front end of the positioning guidewire body is inserted into the suspected soft tissue to be marked by the push handle. Due to the characteristics of shape memory metal, the positioning hook gradually bends and eventually forms a loop, fixing the positioning guidewire body at the suspected soft tissue. At this time, the entire push device is pulled out and the guidewire sheath is removed. The positioning guidewire body will be fixed at the suspected soft tissue, improving the smoothness of use. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a front cross-sectional view of the present invention;

[0019] Figure 2 This is a diagram of the push guide rail and puncture needle seat assembly of the present invention;

[0020] Figure 3 This is a structural diagram of the positioning guide wire of the present invention;

[0021] Figure 4 This is a structural diagram of the push guide rail of the present invention;

[0022] Figure 5This is a diagram of the push structure of the present invention;

[0023] Figure 6 For the present invention Figure 1 Enlarged view of the structure at point A in the middle.

[0024] Explanation of the reference numerals in the figure:

[0025] 01. Positioning guidewire body; 02. Positioning mark; 03. Positioning hook; 11. Pushing structure; 12. Pushing button; 13. Pushing tube; 14. Tail clamping position; 21. Pushing guide rail; 22. End locking position; 23. Guide groove; 24. Starting locking position; 31. Puncture needle seat; 32. Puncture needle tube; 40. Guidewire sheath. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0028] Please see Figure 1-6 An embodiment of the present invention provides a soft tissue positioning guide wire pushing device, including a positioning guide wire body 01, a positioning mark 02 fixed on one side of the positioning guide wire body 01, and a positioning hook 03 fixed on one side of the positioning mark 02. A pushing guide rail 21 passes through the outside of the positioning guide wire body 01, and a pushing structure 11 is installed inside the pushing guide rail 21. The pushing structure 11 includes a pushing button 12, which is installed inside the pushing guide rail 21.

[0029] The other side inside the push button 12 is fixed with a tail clip position 14. A guide wire sleeve 40 is provided on the outside of the tail clip position 14. The tail clip position 14 and the guide wire sleeve 40 are matched and form a locking structure.

[0030] When using this structure, firstly, the tail clamping position 14 is wrapped by the guide wire sheath 40, clamping the positioning guide wire body 01. The guide wire sheath 40 hugs the tail clamping position 14, thereby clamping the positioning guide wire body 01. An additional positioning guide wire body 01 clamping device is added to the original device, so that the positioning guide wire body 01 is not easily pushed out accidentally, and can be easily retracted after being pushed out, improving the convenience of operation.

[0031] The push guide rail 21 has a guide groove 23 inside. One side of the bottom of the push guide rail 21 has an end locking position 22, and the other side of the bottom of the push guide rail 21 has a starting locking position 24. One side of the push button 12 has a push tube 13 fixed inside. One side of the push guide rail 21 is engaged with a puncture needle seat 31, and one side of the puncture needle seat 31 has a puncture needle tube 32 fixed inside. The inside of the push button 12 is connected to the push tube 13, and the puncture needle seat 31 and the puncture needle tube 32 are connected.

[0032] When using this structure, first, the needle tip of the puncture needle tube 32 is punctured into the suspected soft tissue. If the positioning guide wire body 01 is pushed in the wrong position or is difficult to push and needs to be withdrawn, simply press the push button 12 and the positioning guide wire body 01 will be withdrawn into the puncture needle tube 32, which improves the safety during pushing.

[0033] The outer diameter of the positioning mark 02 is slightly larger than the outer diameter of the positioning guide wire body 01. The positioning hook 03 is in a pre-bent state. The positioning guide wire body 01 is made of shape memory metal.

[0034] When using this structure, firstly, the positioning hook 03 at the front end of the positioning guide wire body 01 is inserted into the suspected soft tissue to be marked by the push handle. Due to the characteristics of the shape memory metal, the positioning hook 03 gradually bends and eventually forms a loop, fixing the positioning guide wire body 01 at the suspected soft tissue. At this time, the entire push device is pulled out and the guide wire sheath 40 is removed. The positioning guide wire body 01 will be fixed at the suspected soft tissue, improving the smoothness of use.

[0035] Working principle: The entire device starts as follows: Figure 1 The positioning guide wire body 01 is located inside the push tube 13 of the push structure 11. The puncture needle tube 32 is fixed inside the puncture needle seat 31. The puncture needle seat 31 is connected to the front of the push guide rail 21. At this time, the positioning hook 03 of the positioning guide wire body 01 is restricted by the puncture needle tube 32 inside the puncture needle tube 32 and is temporarily straightened. The positioning mark 02 is close to the front end of the push tube 13.

[0036] At this time, the guidewire sheath 40 is placed outside the tail clamp position 14 at the rear of the push structure 11. The tail clamp position 14 is wrapped by the guidewire sheath 40 and clamps the positioning guidewire body 01. At this time, the doctor can insert the needle tip of the puncture needle 32 into the suspicious soft tissue. If the positioning guidewire body 01 is pushed in the wrong position or is difficult to push and needs to be withdrawn, the doctor only needs to withdraw the push button 12 and the positioning guidewire body 01 will be withdrawn into the puncture needle 32.

[0037] When the needle tip reaches the suspected soft tissue, use your thumb to push the push button 12 to move it away from the starting position 24 and push it forward along the guide groove 23 until the push button 12 reaches the end and is locked in the end position 22. During this process, the positioning hook 03 at the front end of the positioning guide wire body 01 will be inserted into the suspected soft tissue to be marked by the push handle. Due to the characteristics of the shape memory metal, the positioning hook 03 will gradually bend and eventually form a loop, fixing the positioning guide wire at the suspected soft tissue. At this time, pull out the entire push device and remove the guide wire sheath 40. The positioning guide wire body 01 will be fixed at the suspected soft tissue, and the use of the soft tissue positioning guide wire push device will be completed.

[0038] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0039] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A soft tissue positioning guide wire pushing device, comprising a positioning guide wire main body (01), characterized in that: The positioning guide wire body (01) is fixed with a positioning mark (02) on one side, and the positioning mark (02) is fixed with a positioning hook (03) on one side, the positioning guide wire body (01) is penetrated by a pushing guide rail (21), the pushing guide rail (21) is internally provided with a pushing structure (11), the pushing structure (11) comprises a pushing button (12), and the pushing button (12) is installed in the inside of the pushing guide rail (21); the other side of the inside of the pushing button (12) is fixed with a tail clamping position (14), the tail clamping position (14) is provided with a guide wire sheath (40) on the outside, the tail clamping position (14) and the guide wire sheath (40) are matched, and the tail clamping position (14) and the guide wire sheath (40) constitute a clamping structure; The inside of the pushing button (12) is fixed with a pushing pipe (13); the pushing guide rail (21) is clamped with a puncture needle seat (31) on one side, and the puncture needle seat (31) is fixed with a puncture needle pipe (32) on one side.

2. The soft tissue positioning guidewire pushing device of claim 1, wherein: The outer diameter of the positioning mark (02) is slightly larger than the outer diameter of the positioning guide wire body (01), the positioning hook (03) is in a pre-bent state, and the positioning guide wire body (01) is composed of a memory metal.

3. The soft tissue positioning guidewire pushing device of claim 1, wherein: The inside of the pushing guide rail (21) is provided with a guide groove (23), one side of the bottom end of the inside of the pushing guide rail (21) is provided with an end stop (22), and the other side of the bottom end of the inside of the pushing guide rail (21) is provided with a starting stop (24).

4. The soft tissue positioning guidewire pushing device of claim 1, wherein: The inside of the pushing button (12) is communicated with the pushing pipe (13), and the puncture needle seat (31) and the puncture needle pipe (32) are communicated.

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