CN212661885U - Puncture positioning needle kit - Google Patents
Puncture positioning needle kit Download PDFInfo
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- CN212661885U CN212661885U CN202020648689.XU CN202020648689U CN212661885U CN 212661885 U CN212661885 U CN 212661885U CN 202020648689 U CN202020648689 U CN 202020648689U CN 212661885 U CN212661885 U CN 212661885U
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- positioning
- guide wire
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- positioning guide
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Abstract
The utility model relates to a puncture positioning needle external member, it is including gripping pipe and rigid coupling in the needle tubing that grips pipe one end, it has the location seal wire to peg graft in the needle tubing, the location seal wire is including location end and propelling movement end, location end rigid coupling has the location portion that has the memory function, location portion is the circlewise. The utility model discloses be convenient for take out location seal wire.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a puncture positioning needle external member is related to.
Background
Pulmonary nodules are isolated, round-like lesions in the lung with a diameter less than 2cm, with no pulmonary inflammation and enlargement of regional lymph nodes. In recent years, more and more patients with pulmonary nodules have difficulty in early diagnosis of pulmonary nodules, lack of specificity in clinic, are various in morphology on imaging, are difficult to judge whether benign or malignant, and often cause misdiagnosis to delay treatment. The clinical treatment of surgical operation on the patients has better effect. In the surgical operation process, the pulmonary nodule resection under the thoracoscope is mostly adopted, and the accurate positioning of the position of the nodule often becomes the key of success or failure of the operation, so that the positioning and puncture under the guidance of preoperative ultrasound is very important.
In the prior art, reference may be made to chinese patent application with publication No. CN108451599A, which discloses an improved pulmonary nodule puncture needle kit, including a puncture needle with an inner hole and a positioning guide wire penetrating through the inner hole of the puncture needle, a positioning end of the positioning guide wire is provided with a V-shaped barb, the end of the positioning guide wire opposite to the positioning end is a pushing end, a reinforcing portion is disposed at a position of the positioning guide wire close to the positioning end, a bending portion with a memory function is disposed at a position of the positioning guide wire close to the positioning end, the bending portion deforms into a straight line when the positioning guide wire is inserted into the inner hole of the puncture needle, and returns to a bent shape after the positioning guide wire leaves the inner hole of the puncture needle. According to the invention, the focus is hooked by the V-shaped barb at the positioning end of the positioning guide wire, and after the puncture needle is pulled out, the V-shaped barb on the positioning guide wire is matched with the bending part, so that the positioning guide wire is prevented from moving forwards and backwards, and the possibility that the positioning guide wire is separated from the focus and retracts into the chest wall or slides into the mediastinum is avoided.
The above prior art solutions have the following drawbacks: the end part of the positioning guide wire is provided with the V-shaped barb, so that the positioning guide wire is not influenced to be inserted into a body, but the positioning guide wire is inconvenient to take out when needing to be taken out.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a puncture positioning needle external member, be convenient for take out the location seal wire to prior art exists not enoughly.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a puncture positioning needle external member, is including holding pipe and rigid coupling in the needle tubing that holds pipe one end, the interpolation of needle tubing has the location seal wire, the location seal wire includes location end and propelling movement end, location end rigid coupling has the location portion that has the memory function, location portion is the circle form.
By adopting the technical scheme, the positioning guide wire is inserted into the needle tube, the positioning part is positioned in the needle tube due to the memory function of the positioning part, and the pushing end is positioned outside the needle tube; then the needle tube is inserted into the body through the holding tube, then the positioning guide wire is pushed to the position of the human tissue to be positioned through the pushing end, at the moment, the positioning part is unfolded, and one end of the positioning part, far away from the positioning guide wire, is inserted into the human tissue, so that the human tissue to be treated is positioned conveniently; when the positioning guide wire needs to be taken out, the positioning guide wire is pulled out through the pushing end; to sum up, this practicality is convenient for take out location seal wire. In addition, the positioning part is in a ring shape, so that the small nodule or the small tumor can be firstly encircled by the positioning part, then the positioning guide wire is quickly pulled, and the positioning part is convenient for cutting off the small nodule or the small tumor.
The present invention may be further configured in a preferred embodiment as: one end of the positioning part, which is far away from the positioning guide wire, is provided with a first inclined plane.
By adopting the technical scheme, the positioning guide wire can be conveniently inserted into human tissues by arranging the first inclined plane.
The present invention may be further configured in a preferred embodiment as: and a second inclined plane is arranged at one end of the needle tube, which is far away from the holding tube.
By adopting the technical scheme, the needle tube can be conveniently inserted into the body by arranging the second inclined plane.
The present invention may be further configured in a preferred embodiment as: the positioning guide wire is positioned at the part between the positioning part and the holding pipe, a reinforcing part is fixedly sleeved on the outer side wall of the positioning guide wire, and round corners are arranged at two ends of the reinforcing part.
Through adopting above-mentioned technical scheme, through setting up the rib, can improve the intensity of location seal wire to be convenient for insert the location seal wire to human tissue department.
The present invention may be further configured in a preferred embodiment as: two limiting rings are fixedly sleeved on the outer side wall of the holding pipe and are parallel to each other.
Through adopting above-mentioned technical scheme, through setting up two spacing rings, the user of being convenient for promotes and the pulling grips the pipe.
The present invention may be further configured in a preferred embodiment as: the holding pipe is arranged at the part between the two limiting rings, and the outer side wall of the holding pipe is provided with an anti-skid part.
Through adopting above-mentioned technical scheme, through setting up antiskid portion, the user of being convenient for inserts the needle tubing in vivo.
To sum up, the utility model discloses a following at least one useful technological effect:
1. inserting the positioning guide wire into the needle tube, wherein the positioning part is positioned in the needle tube due to the memory function of the positioning part, and the pushing end is positioned outside the needle tube; then the needle tube is inserted into the body through the holding tube, then the positioning guide wire is pushed to the position of the human tissue to be positioned through the pushing end, at the moment, the positioning part is unfolded, and one end of the positioning part, far away from the positioning guide wire, is inserted into the human tissue, so that the human tissue to be treated is positioned conveniently; when the positioning guide wire needs to be taken out, the positioning guide wire is pulled out through the pushing end; to sum up, this practicality is convenient for take out location seal wire. In addition, the positioning part is in a ring shape, so that the small nodule or the small tumor can be firstly encircled by the positioning part, then the positioning guide wire is quickly pulled, and the positioning part is convenient for cutting off the small nodule or the small tumor;
2. the guide wire is convenient to position and insert into human tissues by arranging the first inclined plane;
3. through setting up two spacing rings, the user of being convenient for promotes and the pulling grips the pipe.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment;
fig. 2 is a schematic structural diagram of the second embodiment.
In the figure, 1, a tube is held; 11. a limiting ring; 12. an anti-slip portion; 2. a needle tube; 21. a second inclined plane; 3. positioning a guide wire; 31. a positioning end; 32. a pushing end; 33. a positioning part; 331. a first inclined plane; 4. a reinforcing portion; 5. a bolt; 6. and (4) a slot.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows: a puncture positioning needle set comprises a holding tube 1 and a needle tube 2 fixedly connected to one end of the holding tube 1, a positioning guide wire 3 is inserted in the needle tube 2, the positioning guide wire 3 comprises a positioning end 31 and a pushing end 32, the positioning end 31 is fixedly connected with a positioning part 33 with a memory function, shape memory alloy can be selected for materials forming the positioning part 33, the positioning part 33 is in a ring shape, and a first inclined surface 331 is arranged at one end, far away from the positioning guide wire 3, of the positioning part 33. Firstly, the positioning guide wire 3 is inserted into the needle tube 2, at this time, the positioning part 33 is positioned in the needle tube 2 because of the memory function, and the pushing end 32 is positioned outside the needle tube 2; then the needle tube 2 is inserted into the body by holding the tube 1, and then the positioning guide wire 3 is pushed to the position of the human tissue to be positioned by the pushing end 32, at this time, the positioning part 33 is unfolded and one end of the positioning part 33 far away from the positioning guide wire 3 is inserted into the human tissue, thereby being convenient for positioning the human tissue to be treated; when the positioning guide wire 3 needs to be taken out, the positioning guide wire 3 is pulled out through the pushing end 32; to sum up, this practicality is convenient for take out location seal wire 3. In addition, the positioning portion 33 is in a ring shape, so that the positioning portion 33 can firstly enclose the nodule or the small tumor, and then the positioning guide wire 3 is pulled rapidly, and the positioning portion 33 is convenient for cutting off the nodule or the small tumor. Further, the positioning portion 33 can be expanded, and the development area of the positioning portion 33 can be increased under ultrasonic guidance.
As shown in fig. 1, the end of the needle tube 2 away from the holding tube 1 is provided with a second bevel 21. The second bevel 21 is provided to facilitate the insertion of the needle cannula 2 into the body.
As shown in fig. 1, the positioning guide wire 3 is located at a portion between the positioning portion 33 and the holding tube 1, a reinforcing portion 4 is fixedly sleeved on an outer side wall of the positioning guide wire, and both ends of the reinforcing portion 4 are provided with rounded corners. The strength of the positioning guide wire 3 can be improved by arranging the reinforcing part 4, so that the positioning guide wire 3 can be conveniently inserted to human tissues; through setting up the fillet, the reinforcing part 4 of being convenient for moves in the human body along with location seal wire 3.
As shown in figure 1, the outer side wall of the holding pipe 1 is sleeved with two limiting rings 11, the two limiting rings 11 are parallel to each other, and the holding pipe 1 is convenient for a user to push and pull by arranging the two limiting rings 11. The holding tube 1 is arranged at the part between the two spacing rings 11, the outer side wall of the holding tube is provided with an anti-slip part 12, and the anti-slip part 12 is arranged to facilitate the user to insert the needle tube 2 into the body.
The implementation principle of the embodiment is as follows: firstly, the positioning guide wire 3 is inserted into the needle tube 2, at this time, the positioning part 33 is positioned in the needle tube 2 because of the memory function, and the pushing end 32 is positioned outside the needle tube 2; then the needle tube 2 is inserted into the body by holding the tube 1, and then the positioning guide wire 3 is pushed to the position of the human tissue to be positioned by the pushing end 32, at this time, the positioning part 33 is unfolded and one end of the positioning part 33 far away from the positioning guide wire 3 is inserted into the human tissue, thereby being convenient for positioning the human tissue to be treated; when the positioning guide wire 3 needs to be taken out, the positioning guide wire 3 is pulled out through the pushing end 32; to sum up, this practicality is convenient for take out location seal wire 3. In addition, the positioning portion 33 is in a ring shape, so that the positioning portion 33 can firstly enclose the nodule or the small tumor, and then the positioning guide wire 3 is pulled rapidly, and the positioning portion 33 is convenient for cutting off the nodule or the small tumor.
This embodiment can be used under ultrasound, X-ray and CT guidance.
Example two: a puncture positioning needle set, as shown in fig. 2, mainly differs from the first embodiment in that: needle tubing 2 can be dismantled and connect in holding pipe 1, and the one end threaded connection that holds pipe 1 and be close to needle tubing 2 has bolt 5, and slot 6 has been seted up to the lateral wall of needle tubing 2, and bolt 5 keeps away from the one end of its bolt cap and can peg graft in slot 6. When the needle tube 2 needs to be installed, the needle tube 2 is inserted into the holding tube 1, then the slot 6 is aligned to the bolt 5 by moving the needle tube 2, and then the bolt 5 is screwed; when the needle tube 2 needs to be detached, the bolt 5 is firstly unscrewed, and then the needle tube 2 is taken out.
Compared with the first embodiment, the advantages are as follows: the needle tube 2 is convenient to replace.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. A puncture positioning needle kit is characterized in that: including holding pipe (1) and rigid coupling in needle tubing (2) that hold pipe (1) one end, it has location seal wire (3) to peg graft in needle tubing (2), location seal wire (3) are including location end (31) and propelling movement end (32), location end (31) rigid coupling has location portion (33) that have the memory function, location portion (33) are the circle.
2. A puncture positioning needle kit according to claim 1, wherein: one end, far away from the positioning guide wire (3), of the positioning part (33) is provided with a first inclined surface (331).
3. A puncture positioning needle kit according to claim 1, wherein: and a second inclined plane (21) is arranged at one end of the needle tube (2) far away from the holding tube (1).
4. A puncture positioning needle kit according to claim 1, wherein: the positioning guide wire (3) is positioned at the part between the positioning part (33) and the holding pipe (1), a reinforcing part (4) is sleeved and fixed on the outer side wall of the positioning guide wire, and round corners are arranged at two ends of the reinforcing part (4).
5. A puncture positioning needle kit according to claim 1, wherein: two limiting rings (11) are fixedly sleeved on the outer side wall of the holding pipe (1), and the two limiting rings (11) are parallel to each other.
6. A puncture positioning needle kit according to claim 1, wherein: the holding pipe (1) is arranged at the part between the two limiting rings (11), and the outer side wall of the holding pipe is provided with an anti-skid part (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020648689.XU CN212661885U (en) | 2020-04-25 | 2020-04-25 | Puncture positioning needle kit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020648689.XU CN212661885U (en) | 2020-04-25 | 2020-04-25 | Puncture positioning needle kit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212661885U true CN212661885U (en) | 2021-03-09 |
Family
ID=74814067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020648689.XU Active CN212661885U (en) | 2020-04-25 | 2020-04-25 | Puncture positioning needle kit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212661885U (en) |
-
2020
- 2020-04-25 CN CN202020648689.XU patent/CN212661885U/en active Active
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