Positioning puncture device for pulmonary nodule treatment

Abstract

The utility model discloses a positioning puncture device for pulmonary nodule treatment, which belongs to the technical field of positioning needle instruments and comprises a guide needle, a connecting line penetrates through the center of the guide needle, a positioning hook is mounted at one end of the connecting line, a sliding groove is formed in the outer wall of the guide needle, a sliding block is movably connected in the sliding groove, and a positioning hole is formed in the sliding block. A connecting ring is welded to one end of the sliding block, a plurality of supporting discs are evenly arranged on one end face of the connecting ring in a surrounding mode, a puncture handle is connected to one end of the guide needle in a threaded mode, a pushing device is installed above the puncture handle, a protective cover is arranged on the outer side of the pushing device in a sleeving mode, and a protective sleeve is arranged on the outer side of the guide needle in a sleeving mode. Two symmetrical pressing plates are installed in the sliding block, the pressing plates are in an L shape, a telescopic spring is installed in the sliding block, and the problem that an existing positioning puncture device for pulmonary nodule treatment is inaccurate in positioning due to vibration generated by breathing is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the positioning needle instrument technical field, concretely relates to a lung nodule processing positioning puncture device. BACKGROUND

[0002] With the continuous advancement of medical technology, more and more innovative tools and methods are introduced into clinical practice to improve the accuracy and safety of diagnosis and treatment. Among them, the lung nodule positioning puncture device is a significant example. This kind of device can help doctors more accurately locate and biopsy small nodules in the lung through advanced imaging technology and precise positioning, greatly improving the efficiency and accuracy of early lung cancer diagnosis, and also reducing the risk and discomfort of patients during examination.

[0003] In the actual clinical operation process, when the doctor uses the lung nodule processing positioning puncture device, the respiratory movement of the patient often affects the position of the needle tip, which in turn affects the puncture accuracy. This phenomenon has become a problem that needs to be solved by personnel in the field. UTILITY MODEL CONTENT

[0004] The utility model aims at the prior art lung nodule processing positioning puncture device to solve the problems raised in the background.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a lung nodule processing positioning puncture device, comprising a guide needle, a connecting line is provided in the center of the guide needle, a positioning hook is installed at one end of the connecting line, a sliding slot is provided on the outer wall of the guide needle, a sliding block is movably connected inside the sliding slot;

[0006] One end of the sliding block is welded with a connecting ring, a plurality of support discs are uniformly arranged on one end face of the connecting ring, a puncture handle is threadedly connected to one end of the guide needle, a push device is installed above the puncture handle, a protective cover is sleeved outside the push device, and a protective sleeve is sleeved outside the guide needle.

[0007] The utility model further illustrates that the connecting line passes through the center of the puncture handle and the push device.

[0008] The utility model further illustrates that two symmetrical pressing plates are installed inside the sliding block, the pressing plates are "L" shaped, and a telescopic spring is installed inside the sliding block.

[0009] The utility model further illustrates that one end of the telescopic spring is welded with the inner wall of the sliding block, and the other end of the telescopic spring is welded with a rubber plate.

[0010] The end face on the lower transverse plate of the pressing plate is welded with one side end face of the rubber plate.

[0011] The utility model further illustrates that the protective cover is arranged above the puncture handle.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] (1) the support disc is arranged, so that the guide needle can contact the skin surface through the support disc after puncture, and the guide needle after puncture is provided with reliable support force, thereby reducing the influence of patient breathing movement on the position of the needle tip, and improving the diagnostic accuracy, the safety and success rate of clinical operation;

[0014] (2) the sliding groove and the sliding block are arranged, the free displacement of the support disc is realized, the device is suitable for patients with different skin thickness, the applicability is wider, and the improved device still has compact and portable structure, and is convenient and fast to operate. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model.

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the enlarged schematic view of A in the utility model; Figure 1

[0018] Figure 3 It is the structure schematic view of the sliding block inside the utility model;

[0019] Figure 4 It is the structure schematic view of the protective cover inside the utility model;

[0020] Figure 5 It is the structure schematic view of the positioning hook after ejection in the utility model;

[0021] In the drawing: 1, guide needle; 2, connecting line; 3, positioning hook; 4, sliding groove; 5, sliding block; 6, pressing plate; 7, extension spring; 8, rubber plate; 9, connecting ring; 10, support disc; 11, puncture handle; 12, pusher; 13, protective cover; 14, protective sleeve. DETAILED DESCRIPTION

[0022] ​The technical scheme of the utility model is further and non-restrictively described below with reference to the preferred embodiments and drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides technical scheme: a kind of positioning puncture device for lung nodule processing, its surface has scale, the central of guide needle 1 is equipped with connecting line 2, one end of connecting line 2 is equipped with positioning hook 3, the scale on guide needle 1 makes that positioning hook 3 can be released to specified position, so as to position target object such as lung nodule, sliding slot 4 is set up on the outer wall of guide needle 1, sliding block 5 is movably connected in the inside of sliding slot 4, and the both sides of sliding block 5 and the both sides of the inner wall of sliding slot 4 have certain gap;

[0024] Reference Figure 2 One end of sliding block 5 is welded with connecting ring 9, connecting ring 9 is evenly welded with several support discs 10 on one end face, one end of guide needle 1 is threadedly connected with puncture handle 11, pusher 12 is installed above puncture handle 11, protective cover 13 is sleeved on the outside of pusher 12, for limiting pusher 12, prevent pusher 12 accidentally releasing positioning hook 3, protective sleeve 14 is sleeved on the outside of guide needle 1, to prevent guide needle 1 needle tip punctures package and user.

[0025] Reference Figure 3 Two symmetrical pressing plates 6 are installed in the inside of sliding block 5, and the pressing plate 6 is in the form of "L", telescopic spring 7 is installed in the inside of sliding block 5, one end of telescopic spring 7 is welded with the inner wall of sliding block 5, the other end of telescopic spring 7 is welded with rubber plate 8, the end face on the lower transverse plate of pressing plate 6 is welded with the one side end face of rubber plate 8, after pressing plate 6 is pressed to the center direction of sliding block 5, telescopic spring 7 is contracted, and then rubber plate 8 enters the inside of sliding block 5, after releasing pressing plate 6, rubber plate 8 restores.

[0026] Reference Figure 4 、 5 Connecting line 2 is equipped through the center of puncture handle 11 and pusher 12, the positioning of connecting line 2 is controlled by puncture handle 11, and then the positioning of positioning hook 3 is controlled, the displacement of connecting line 2 is controlled by pusher 12, and then the displacement of positioning hook 3 is controlled.

[0027] Protective cover 13 is clamped in the upper of puncture handle 11, the connection of protective cover 13 and device whole is realized, so as to play reliable protection effect.

[0028] In the embodiment, the position of the pulmonary nodule is determined by CT, the small package is opened, and the protective sleeve 14 is removed. The guide needle 1 is inserted into the pulmonary nodule or the edge thereof under the guidance of CT, through the chest wall and the pleura. The pressing plate 6 is pressed again so that the retractable spring 7 is retracted, the rubber plate 8 is displaced, the sliding block 5 is slid in the sliding groove 4, and the pressing plate 6 is pushed to make the supporting disc 10 contact the skin surface of the patient, thereby providing a supporting force for the guide needle 1, fixing the guide needle 1 to the human body, and reducing the influence of the vibration caused by the breathing of the patient on the puncture position.

[0029] The protective cover 13 is removed, the push device 12 is pushed to the bottom, thereby releasing the positioning hook 3, and the positioning hook 3 is fixed to the pulmonary nodule or the edge thereof. The push device 12 is completely pulled out of the guide needle 1, the guide needle 1 is withdrawn, the needle tip of the guide needle 1 is located between the chest wall and the lung, the push device 12 is inserted into the guide needle 1 again and pushed to the bottom, the connecting line 2 is pushed out of the guide needle 1, and the guide needle 1 is pulled out of the body together with the push device 12. The chest CT scan is repeated, the position released by the positioning hook 3 is confirmed, and whether pneumothorax, hemorrhage, air embolism and the like are observed and recorded.

[0030] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only used for the convenience of describing the utility model, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0031] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A positioning and puncturing device for lung nodule treatment, comprising a guide needle (1), characterized in that: The central of the guide needle (1) is provided with a connecting line (2), one end of the connecting line (2) is provided with a positioning hook (3), the outer wall of the guide needle (1) is provided with a sliding groove (4), the inside of the sliding groove (4) is movably connected with a sliding block (5); One end of the sliding block (5) is welded with a connecting ring (9), the one end surface of the connecting ring (9) is uniformly surrounded with a plurality of supporting discs (10), one end of the guide needle (1) is threadedly connected with a puncture handle (11), the upper of the puncture handle (11) is provided with a pushing device (12), the outside of the pushing device (12) is provided with a protective cover (13), the outside of the guide needle (1) is provided with a protective sleeve (14).

2. The positioning and puncturing device for lung nodule treatment according to claim 1, characterized in that: The connecting line (2) passes through the center of the puncture handle (11) and the pushing device (12).

3. The positioning and puncturing device for lung nodule treatment according to claim 1, characterized in that: The inside of the sliding block (5) is provided with two symmetrical pressing plates (6), the pressing plate (6) is "L" type, the inside of the sliding block (5) is provided with a telescopic spring (7).

4. The positioning and puncturing device for lung nodule treatment according to claim 3, characterized in that: One end of the telescopic spring (7) is welded with the inner wall of the sliding block (5), the other end of the telescopic spring (7) is welded with a rubber plate (8).

5. The positioning and puncturing device for lung nodule treatment according to claim 4, characterized in that: The end surface of the lower transverse plate of the pressing plate (6) is welded with the one side end surface of the rubber plate (8).

6. The positioning and puncturing device for lung nodule treatment according to claim 1, characterized in that: The protective cover (13) is clamped on the upper of the puncture handle (11).

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