Medical hollow tube positioning and marking device

Abstract

The invention discloses a medical hollow tube positioning marking device and belongs to the technical field of breast tumor marking, the medical hollow tube positioning marking device comprises an end, fixing rings, an inner core, a hollow hose and a needle cylinder, the fixing rings are fixed to the hollow hose at intervals to form a long chain, the end is fixed to the head end of the long chain to form a marking body, the inner core penetrates into the hollow hose to reach the end, and the needle cylinder is fixed to the hollow hose. And the front end of the needle cylinder is provided with a needle head part. After puncture, the needle cylinder is pushed outwards, the end is pushed inwards through the inner core, the marking body is pushed out and positioned cooperatively, the part, exposed out of the body, of the marking body is cut off, three-dimensional, linear and visual positioning is formed through multi-directional marking, the marking body can be freely bent and is not prone to being cut off or shifting, and the marking effect is good. The risk of infection or accidental injury possibly caused by a traditional positioning steel wire is reduced, and a breast cancer patient receiving neoadjuvant chemotherapy only needs to be positioned and marked once and does not need to bear secondary trauma caused by steel wire positioning after marking by a traditional marking clamp.

Description

Technical Field

[0001] The invention relates to the technical field of breast tumor marking, in particular to a medical hollow tube positioning marking device. Background Art

[0002] For smaller benign and malignant breast tumors, which are difficult to touch, a barbed positioning wire is usually inserted into the tumor under ultrasound guidance before or during surgery to locate the tumor and then remove the tumor. For palpable breast cancer, local extended resection of the tumor (i.e. local extended resection of breast cancer or breast-conserving surgery) is usually performed based on the surgeon's hand feel. However, there are problems such as a small resection range and a high positive margin rate, or an excessive resection range, resulting in the removal of too many normal glands, which affects the postoperative aesthetics.

[0003] For patients who receive neoadjuvant chemotherapy for breast cancer, the tumor may shrink or even disappear during chemotherapy. Currently, in order to mark the location of the tumor, it is usually necessary to place a marking clip at the center or periphery of the tumor or perform a body surface projection tattoo before chemotherapy to mark the location and range of the tumor, so as to facilitate accurate removal of the tumor during breast-conserving surgery after the completion of neoadjuvant chemotherapy. The traditional method usually requires the placement of a barbed wire under ultrasound guidance before or during surgery to locate the marking clip, complete the positioning of the tumor, and finally perform breast-conserving surgery for breast cancer with the positioning wire and marking clip as reference.

[0004] The positioning of the barbed wire and marker clip of breast tumors must be completed under ultrasound guidance. The barbed wire or marker clip is located in the puncture needle barrel. After the front end of the puncture needle reaches the target area (tumor center or periphery), the barbed wire or marker clip is pushed out of the puncture needle barrel and fixed to the target area.

[0005] The traditional treatment methods currently have the following problems: 1. For the positioning and resection of smaller tumors, after the barbed wire is marked, part of the wire is exposed on the body surface. If the wire contacts non-sterile items, if the exposed wire is not thoroughly disinfected during surgery, it may cause wound contamination; 2. If the wire is positioned before surgery and then enters the operating room for surgery, the waiting process may cause local pain and other discomfort to the patient; 3. If proper protection is not paid attention to, the barbed needle structure at the end or front end of the positioning wire may cause medical staff to be stabbed. If the positioning wire shifts to the deep part, it may cause further damage to the patient; 4. The marking clip is marked before neoadjuvant chemotherapy. Before surgery, the positioning wire needs to be inserted again under ultrasound guidance to locate the position of the marking clip. The patient needs to undergo two positioning markings; 5. For calcified lesions, ultrasound sometimes makes it difficult to distinguish between the positioning marking clip and the calcified lesion, resulting in difficult or inaccurate positioning; 6. The marking clip is a point mark, and the breast gland has a certain degree of mobility at different depths, so accurate three-dimensional marking cannot be completed; 7. The fixation is not reliable, and sometimes excessive traction during surgery can easily cause the barbed wire to fall out.

[0006] Therefore, in order to facilitate the complete placement of the marker in the body and meet the high requirements for the flexibility of the marker due to the large activity of the breast gland, the three-dimensional positioning of the tumor can be completed through a single puncture, the chance of infection and the chance of accidental injury to patients and medical staff can be reduced, and the three-dimensionality, accuracy and visibility of the tumor position or range marking can be improved. A medical hollow tube positioning marking device is proposed. Summary of the invention

[0007] The purpose of the present invention is to provide a medical hollow tube positioning marking device to solve the problem that in the traditional positioning marking method proposed in the above background technology, the steel wire is partially exposed outside the body after marking, which may increase the risk of wound infection, and the steel wire needle and barb structure may cause accidental injury to medical staff or patients, and the positioning effect of the positioning clip is poor, and ultrasound with calcification is difficult to distinguish. After the end of neoadjuvant chemotherapy, the patient needs to use the steel wire needle for positioning again, causing secondary trauma.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a medical hollow tube positioning marking device, characterized in that it includes an end cap, a fixing ring, an inner core and a syringe, the hollow hose fixedly connects multiple fixing rings to form a long chain, the end cap is fixedly connected to one end of the long chain, the end cap, the fixing ring and the hollow hose constitute a marking body for marking the position and range of the tumor, the inner core drives the marking body into the marking position and is fixed to the surrounding tissues, the syringe is hollow in design, and the marking body moves inside the syringe.

[0009] As a further preferred embodiment of the technical solution: it also includes a fixed housing a and a fixed housing b, wherein the fixed housing a is fixedly connected with a buckle, and the fixed housing b is fixedly connected with a clamping block, and the buckle and the clamping block can be clamped together;

[0010] As a further preferred embodiment of the present technical solution: one end of the syringe is fixedly connected to a fixed tube handle, a fixing groove is provided in each of the fixing housing a and the fixing housing b, a fixing block is fixedly connected in the fixing groove, the fixed tube handle is provided between the fixing housing a and the fixing housing b, and the fixing block fixes the fixed tube handle;

[0011] As a further preferred embodiment of the technical solution: a plurality of the fixing rings are provided, the plurality of fixing rings are spaced apart from each other, and the plurality of fixing rings are fixedly connected to the hollow hose;

[0012] As a further preferred embodiment of the technical solution: the fixing ring adopts a spherical structure, a groove can be provided in the middle of the fixing ring as required, and the material of the fixing ring is one of metal and non-metallic polymer, wherein fluorescent imaging material is added inside the non-metallic polymer material;

[0013] As a further preferred embodiment of the present technical solution: the fixing ring is provided with color markings, wherein different colors are provided on the fixing ring at certain intervals.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. In the present invention, the marking body is pushed into the marking position by the inner core, and the part exposed outside the body can be completely cut off after the marking is completed, so that the marking body is completely left inside the body, avoiding the problem of increased infection risk of the exposed part in the traditional positioning wire marking method, thereby reducing the risk of postoperative infection;

[0016] 2. The use of hollow hose makes the whole device easier to bend and adapt to different surgical needs. It can also better adapt to the characteristics of human tissue and reduce discomfort. The structural design of hollow hose plus inner core allows the fixing ring to more effectively utilize the space in the puncture needle barrel, ensuring that the size of the fixing ring is appropriate and easier to fix with the surrounding tissue; the hollow hose has a circular cross-section, a larger cross-section, and can be added with multiple metal wires, which is not easy to be cut during surgery;

[0017] 3. When used for tumor range marking, it is a linear mark. Compared with the point mark of the traditional metal marking clip, it provides a more three-dimensional marking effect and has high visibility, which helps to define the tumor boundary more accurately during surgery. Through multi-directional marking, the accuracy and efficiency of surgical resection can be improved;

[0018] 4. The head end, fixing ring and hollow hose can form a stable fixed relationship with the surrounding tissues, maintain a stable position in the body, and are not easily displaced or fallen off due to traction during surgery, thus ensuring the durability and reliability of the marking;

[0019] 5. The fixing ring adopts a hollow spherical structure design. After the excess marker is cut off, the end of the remaining marker is round and blunt, which is not easy to cause iatrogenic damage to medical staff or patients. It has strong safety. A groove is provided in the middle of the spherical structure as needed to increase the firmness of the fixation;

[0020] 6. After adding fluorescent material to the fixing ring, an infrared fluorescent probe can be used to assist in detecting the position of the marker, making it convenient to quickly find the position of the marker during surgery;

[0021] 7. For patients who receive neoadjuvant chemotherapy, only one positioning is required, which effectively reduces the trauma or pain caused by multiple positioning. It also avoids the problem that patients with breast cancer with multiple calcifications need to use the marker clip method for positioning after the completion of neoadjuvant chemotherapy, but the positioning may be inaccurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1This is a schematic structural diagram of an end and a fixing ring of a medical hollow tube positioning marking device of the present invention;

[0023] Figure 2 It is a schematic diagram of a medical hollow tube positioning marking device of the present invention;

[0024] Figure 3 This is a schematic diagram of the connection structure of a medical hollow tube positioning marking device of the present invention;

[0025] Figure 4 for Figure 3 Enlarged view of point C in the middle;

[0026] Figure 5 It is a schematic diagram of an implementation of a medical hollow tube positioning marking device of the present invention;

[0027] Figure 6 A schematic diagram of the connection structure of an embodiment of a medical hollow tube positioning marking device of the present invention;

[0028] Figure 7 for Figure 6 Enlarged view of point D in the middle.

[0029] In the figure: 1, end; 2, hollow hose; 3, fixing ring; 4, inner core; 5, syringe; 6, fixed shell a; 7, fixed shell b; 8, buckle; 9, clamping block; 10, fixed tube handle; 11, handle; 12, needle head; 13, fixing groove; 14, fixing block; 15, fixed shell c; 16, fixed shell d; 17, syringe; 19, ear seat; 20, push-pull block; 21, positioning groove. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Embodiment 1

[0032] See also Figure 1-Figure 4As shown, the present invention provides a technical solution: a medical hollow tube positioning marking device, comprising an end 1, a fixing ring 3, an inner core 4, a hollow hose 2 and a syringe 5, wherein the hollow hose 2 fixedly connects a plurality of fixing rings 3 to form a fixing ring long chain, the end 1 is fixedly connected to one end of the fixing ring long chain, the syringe 5 is hollow in design, the end 1, the fixing ring 3 and the hollow hose 2 move in the syringe 5, the end 1 and the fixing ring long chain form a marking body for marking the tumor position, and the inner core 4 drives the end 1 and the fixing ring long chain to enter the marking position and fix them to the surrounding tissues.

[0033] In this embodiment, specifically: it also includes a handle 11, and the handle 11 is fixedly connected with an inner core 4, and the inner core 4 penetrates into the fixing ring 3 and the hollow hose.

[0034] In this embodiment, specifically: it also includes a fixed shell a6 and a fixed shell b7. The fixed shell a6 is fixedly connected with a buckle 8, and the fixed shell b7 is fixedly connected with a clamping block 9. The buckle 8 and the clamping block 9 can be clamped together.

[0035] In this embodiment, specifically: one end of the syringe 5 is fixedly connected to a fixed tube handle 10, a fixed groove 13 is opened in the fixed sleeve a6 and the fixed sleeve b7, a fixed block 14 is fixedly connected in the fixed groove 13, the fixed tube handle 10 is arranged between the fixed sleeve a6 and the fixed sleeve b7, and the fixed block 14 fixes the fixed tube handle 10.

[0036] In this embodiment, specifically: a plurality of fixing rings 3 are provided, the plurality of fixing rings 3 are spaced apart from each other, and the plurality of fixing rings 3 are all fixedly connected to the hollow hose 2 .

[0037] In this embodiment, specifically: the fixing ring 3 adopts a spherical structure, a groove is provided in the middle of the fixing ring 3 as required, and the material of the fixing ring 3 is one of metal and non-metallic polymer, wherein fluorescent imaging material is added inside the non-metallic polymer material.

[0038] In this embodiment, specifically: a mark is provided on the fixing ring 3, wherein different colors are provided on the fixing ring 3 at certain intervals.

[0039] Usage and working principle: When locating the breast tumor, first place the fixed tube handle 10 and the handle 11 between the fixed shell a6 and the fixed shell b7, and place the fixed tube handle 10 and the handle 11 in the fixed groove 13, fix the fixed shell a6 and the fixed shell b7 into a whole through the buckle 8 and the clamping block 9, then the fixed tube handle 10 and the handle 11 are clamped between the fixed shell a6 and the fixed shell b7, and the fixed tube handle 10 and the handle 11 are clamped and fixed under the action of the fixing block 14 to prevent the fixed tube handle 10 and the handle 11 from shifting, so that The overall structure remains stable, and then the needle head 12 of the syringe 5 is inserted into the target position under ultrasound guidance, which can be inside the tumor or outside the tumor, and then the fixed shell a6 and fixed shell b7 are removed, and the handle 11 is pushed inward so that the inner core 4 drives the end 1 and its connected fixed ring 3 and hollow hose 2 to move forward, and at the same time, the syringe 5 is pushed outward, and the end 1, hollow hose 2, and part of the front fixed ring 3 of the marked body are exposed and fixed to the surrounding tissue, and then the inner core 4 and syringe 5 are gradually withdrawn, so that the marked body formed by the end 1, hollow hose 2, and fixed ring 3 is retained at the marked position in the body. The excess part of the marked body exposed outside the body is cut off, wherein the fixed ring 3 is provided with different colors according to the interval, and by observing the color and number of the cut fixed rings, the number of the fixed rings 3 retained in the body is calculated and recorded, so as to facilitate the determination of whether all the fixed rings 3 have been removed during surgery.

[0040] Embodiment 2:

[0041] See also Figure 5-Figure 7 As shown, the present invention provides a technical solution: The present invention provides a technical solution: It includes a medical hollow tube positioning marking device including a fixed sleeve c15, a fixed sleeve d16 and a syringe 5, a positioning groove 21 is provided on the fixed sleeve c15 and the fixed sleeve d16, one end of the hollow tube is fixedly connected with an ear seat 19, the ear seat 19 is clamped in the positioning groove 21, and one end of the inner core 4 is fixedly connected with a push-pull block 20.

[0042] Specific use and working principle: the fixed sleeve c15 and the fixed sleeve d16 can be combined into a whole, the ear seat 19 and the push-pull block 20 are clamped and fixed, the needle head 12 of the syringe 5 is inserted into the target position under ultrasound guidance, the fixed sleeve c15 and the fixed sleeve d16 are removed, the inner core 4 is pushed inward and the syringe 5 is pushed outward, and then the marking body formed by the end 1, the hollow hose 2, and the fixed ring 3 is exposed from the syringe and fixed with the surrounding tissue, and then the inner core 4 and the syringe 5 are gradually withdrawn, so that the marking body formed by the end 1, the hollow hose 2, and the fixed ring 3 is retained at the marked position in the body. The excess part of the marking body exposed outside the body is cut off, wherein the fixed ring 3 is provided with different colors according to the interval, and by observing the color and number of the cut fixed rings, the number of the fixed rings 3 retained in the body is calculated and recorded, so as to facilitate the determination of whether all the fixed rings 3 have been removed during surgery.

[0043] In addition, the above only describes in detail two exemplary implementations of the medical hollow tube positioning marking device proposed by the present invention with reference to the preferred embodiments. However, it can be understood by those skilled in the art that a variety of combinations can be made of the above end 1, fixing ring 3, hollow hose 2, and inner core 4 without departing from the concept of the present invention.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A medical hollow tube positioning marking device, characterized in that: The invention comprises an end (1), a hollow hose (2), a fixing ring (3), an inner core (4) and a syringe (5); the hollow hose (2) fixedly connects a plurality of fixing rings (3) to form a long chain of fixing rings; the end (1) is fixedly connected to one end of the long chain of fixing rings; the syringe (5) is of a hollow design; the end (1), the fixing ring (3) and the hollow hose (2) move in the syringe (5); the end (1) and the long chain of fixing rings form a marking body for marking the position of a tumor; the inner core (4) drives the end (1) and the long chain of fixing rings to enter the marking position and fix them to the surrounding tissues.

2. A medical hollow tube positioning marking device according to claim 1, characterized in that: It also comprises a handle (11), to which an inner core (4) is fixedly connected, and the inner core (4) is inserted into the fixing ring (3) and the hollow hose.

3. A medical hollow tube positioning marking device according to claim 2, characterized in that: It also comprises a fixed sleeve a (6) and a fixed sleeve b (7), wherein the fixed sleeve a (6) is fixedly connected with a buckle (8), and the fixed sleeve b (7) is fixedly connected with a clamping block (9), and the buckle (8) and the clamping block (9) can be clamped together.

4. A medical hollow tube positioning marking device according to claim 3, characterized in that: One end of the syringe (5) is a needle head (12), and the other end is fixedly connected to a fixed tube handle (10). The fixed housing a (6) and the fixed housing b (7) are both provided with a fixing groove (13), and a fixing block (14) is fixedly connected to the fixing groove (13). The fixed tube handle (10) is arranged between the fixed housing a (6) and the fixed housing b (7), and the fixing block (14) fixes the fixed tube handle (10).

5. A medical hollow tube positioning marking device according to claim 4, characterized in that: A plurality of the fixing rings (3) are provided, the plurality of fixing rings (3) are spaced apart from each other, and the plurality of fixing rings (3) are evenly fixedly connected to the hollow hose (2).

6. A medical hollow tube positioning marking device according to claim 5, characterized in that: The fixing ring (3) adopts a hollow spherical structure. A groove is provided in the middle of the fixing ring (3) as required. The material of the fixing ring (3) is a metal or a non-metallic polymer. The fixing ring and the hollow hose can be made of the same material and integrated. Fluorescent imaging material can be added to the non-metallic polymer material as required. The hollow hose can be added with one or more metal wires parallel to the long axis of the hollow hose as required.

7. A medical hollow tube positioning marking device according to claim 6, characterized in that: The fixing ring (3) is provided with color markings, and different colors are provided on the fixing ring (3) at certain intervals.

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