CN214414907U - Puncture needle for ablation gasification negative pressure suction - Google Patents

Abstract

The utility model discloses a puncture needle for ablation gasification negative pressure suction, which comprises a puncture needle body for laser gasification ablation, wherein the puncture needle body is a cylinder and is hollow inside; the bottom end of the puncture needle body is provided with a needle head which is a water drop-shaped inclined plane; the method is characterized in that: a cylindrical sealing plug for sealing is arranged at the top end of the puncture needle body, and a cross-shaped optical fiber inlet which is communicated up and down is formed in the axis of the sealing plug; and a negative pressure interface is arranged on the side wall of the puncture needle body below the sealing plug and communicated with the inner cavity of the puncture needle body. The utility model can ensure the sealing function when introducing the optical fiber by arranging the cross optical fiber inlet sealing plug at the top end of the puncture needle body; the negative pressure interface is arranged on the puncture needle body and can be connected with the negative pressure suction device, and redundant tissue gas and liquid generated in the treatment process are discharged out of the body by the negative pressure suction device, so that escape and transfer of cancer cells or canceration genes are avoided.

Description

Puncture needle for ablation gasification negative pressure suction

Technical Field

The utility model relates to the technical field of medical machinery, concretely relates to puncture needle that joinable negative pressure suction device carries out laser ablation gasification usefulness.

Background

Ablation is a common treatment means in medical field, and is widely applied to clinical departments such as dermatology, cardiovascular medicine, digestive system department and the like. Radio frequency or microwave can pass through human tissues and focus on the characteristic of a specific target area, energy is gathered to sufficient intensity, the focal area reaches high temperature, the tissues of the target area are damaged, and coagulation necrosis is shown on histopathology, so that the purpose of damaging a lesion area is achieved, and the tissues outside the lesion area are not damaged.

Laser gasification ablation is a novel medical treatment means, combines the advantages of ablation ultra-minimally invasive and endoscopic tissue ablation, and can be applied to the treatment of canceration of various organ tissues. Laser vaporization ablation uses the physical property that laser can instantaneously generate ultra-high temperature, so that cancer cell tissues in contact with the top end of the optical fiber are instantaneously vaporized to form a cavity and a surrounding carbonized region.

During the treatment, excessive tissue gas and liquid with cancer genes are generated in the patient body due to high-temperature gasification, and if the tissue gas and the liquid are not timely discharged out of the body, the cancer metastasis can be caused. Therefore, how to timely discharge the excessive tissue gas and liquid generated in the laser vaporization treatment process out of the body is a problem that needs to be solved by the technical staff at the present stage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a puncture needle for ablation gasification negative pressure suction, which can timely ablate the excessive tissue gas and liquid generated in the process of excision therapy with laser gasification.

In order to solve the technical problem, the utility model adopts the following technical proposal.

A puncture needle for ablation gasification negative pressure suction comprises a puncture needle body for laser gasification ablation and resection, wherein the puncture needle body is cylindrical and hollow; the bottom end of the puncture needle body is provided with a needle head which is a water drop-shaped inclined plane; the method is characterized in that: a cylindrical sealing plug for sealing is arranged at the top end of the puncture needle body, and a cross-shaped optical fiber inlet which is communicated up and down is formed in the axis of the sealing plug; the side wall of the puncture needle body below the sealing plug is provided with a negative pressure interface used for connecting a negative pressure suction device, and the negative pressure interface is communicated with the inner cavity of the puncture needle body.

Preferably, the negative pressure port is T-shaped.

Preferably, the outer wall of the negative pressure interface is of an inverted cone shape, the inner cavity is of a cylindrical structure, and the tail end of the outer wall of the negative pressure interface is provided with an anti-skidding barb.

Preferably, the negative pressure interface and the puncture needle body are of an integrally formed structure.

Preferably, a supporting plate for fixing the sealing plug is arranged inside the upper portion of the puncture needle body, and an exposed optical fiber inlet is formed in the middle of the supporting plate so that optical fibers can conveniently pass through an opening in the inner cavity of the puncture needle body.

Preferably, the top end of the puncture needle body is provided with a gland for preventing the sealing plug from being separated, and the middle part of the gland is provided with an exposed optical fiber inlet so that optical fibers can conveniently pass through an opening entering the inner cavity of the puncture needle body.

Due to the adoption of the technical scheme, the utility model has the following technical progress.

The utility model can ensure the sealing function when introducing the optical fiber by arranging the cross optical fiber inlet sealing plug at the top end of the puncture needle body, and can carry out laser gasification ablation and excision to the patient; the negative pressure interface is arranged on the puncture needle body and can be connected with the negative pressure suction device, and redundant tissue gas and liquid generated in the laser gasification ablation treatment process are discharged out of the body by the negative pressure suction device, so that escape and transfer of cancer cells or canceration genes are avoided.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the sealing plug of the present invention;

fig. 3 is the structure diagram of the inverted cone negative pressure interface of the present invention.

Wherein: 1. the puncture needle comprises a puncture needle body, aneedle head 2, asealing plug 3, anegative pressure interface 4, asupport plate 5 and agland 6.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

A puncture needle for ablation gasification negative pressure suction is shown in a combined figure 1 and comprises apuncture needle body 1, wherein thepuncture needle body 1 is cylindrical, the interior of the puncture needle body is hollow, aneedle head 2 is arranged at the bottom end of the puncture needle body, asealing plug 3 is arranged at the top end of the puncture needle body, and anegative pressure connector 4 is arranged on the side wall below thesealing plug 3.

Theneedle head 2 is a water drop-shaped inclined plane, so that thepuncture needle body 1 can cut the skin more easily and enter the disease part.

Thesealing plug 3 is used for sealing thepuncture needle body 1, is cylindrical as a whole, and is provided with a cross-shapedoptical fiber inlet 31 which is communicated up and down on the axial line in thesealing plug 3 as shown in fig. 2, and theoptical fiber inlet 31 is used for penetrating optical fibers used in laser gasification ablation surgery into thepuncture needle body 1, so that laser gasification ablation is carried out on diseased parts; thesealing plug 3 is made of rubber and has good elasticity, and theoptical fiber inlet 31 is in a cross shape, so that after the optical fiber is inserted into thesealing plug 3, thepuncture needle body 1 can be well sealed, and meanwhile, the optical fiber can be well fixed.

A supportingplate 5 is arranged inside the upper part of thepuncture needle body 1, and the supportingplate 5 is used for fixing thesealing plug 3 and preventing thesealing plug 3 from moving downwards; the middle part of the supportingplate 5 is provided with a bareoptical fiber inlet 31 so that an optical fiber can conveniently enter the opening of the inner cavity of thepuncture needle body 1; the top end of thepuncture needle body 1 is provided with agland 6 for preventing thesealing plug 3 from being separated from thepuncture needle body 1, and the middle part of thegland 6 is provided with an exposed optical fiber inlet so that optical fibers can conveniently pass through an opening entering the inner cavity of thepuncture needle body 1.

Thenegative pressure interface 4 is used for connecting a negative pressure suction device, can be in a T shape, and is beneficial to fixing the negative pressure suction device and thepuncture needle body 1 and sealing the interface; another structure for achieving this object is also possible: the outer wall is the back taper, the inner chamber is cylindrical structure, and the end of negative pressure interface outer wall is provided with anti-skidding barb, as shown in figure 3. In the utility model, thenegative pressure interface 4 and thepuncture needle body 1 are of an integrated structure, so that thepuncture needle body 1 is integrally firm. In the process of laser gasification ablation therapy, redundant tissue gas and liquid can be generated in a patient body and can be discharged out of the body in real time through the negative pressure suction device connected with thenegative pressure interface 4, so that escape and transfer of cancer cells or canceration genes are effectively avoided.

The utility model discloses when using, according to laser gasification ablation excision operation's demand withpjncture needle body 1 throughsyringe needle 2 insert human disease position, after the suitable interpolation is gone into, optical fiber through theoptic fibre entry 31 of the cross flower shape on the sealingplug 3 enteringpjncture needle body 1, carry out laser gasification ablation excision to human disease position, laser gasification ablation in-process can produce unnecessary tissue gas and liquid, through opening the negative pressure suction device of connection innegative pressure interface 4 department, gaseous and the liquid of unnecessary tissue that will produce is in time with the mode of attraction in vitro, the escape of having avoided cancer cell or canceration gene shifts.

Claims (6)

1. A puncture needle for ablation gasification negative pressure suction comprises a puncture needle body (1) for laser gasification ablation and resection, wherein the puncture needle body (1) is cylindrical and hollow; the bottom end of the puncture needle body (1) is provided with a needle head (2), and the needle head (2) is a water drop-shaped inclined plane; the method is characterized in that: a cylindrical sealing plug (3) for sealing is arranged at the top end of the puncture needle body (1), and a cross-shaped optical fiber inlet (31) which is communicated up and down is formed in the axis of the sealing plug (3); the side wall of the puncture needle body (1) below the sealing plug (3) is provided with a negative pressure interface (4) used for connecting a negative pressure suction device, and the negative pressure interface (4) is communicated with the inner cavity of the puncture needle body (1).

2. The puncture needle for ablation and gasification negative pressure aspiration as set forth in claim 1, wherein: the negative pressure interface (4) is T-shaped.

3. The puncture needle for ablation and gasification negative pressure aspiration as set forth in claim 1, wherein: the outer wall of the negative pressure interface is in an inverted cone shape, the inner cavity of the negative pressure interface is in a cylindrical structure, and the tail end of the outer wall of the negative pressure interface is provided with an anti-skidding barb.

4. The puncture needle for ablation and gasification negative pressure aspiration according to claim 2 or 3, characterized in that: the negative pressure interface (4) and the puncture needle body (1) are of an integrally formed structure.

5. The puncture needle for ablation and gasification negative pressure aspiration as set forth in claim 1, wherein: the puncture needle is characterized in that a supporting plate (5) used for fixing the sealing plug (3) is arranged inside the upper portion of the puncture needle body (1), and a bare optical fiber inlet (31) is formed in the middle of the supporting plate (5) so that optical fibers can conveniently pass through an opening in the inner cavity of the puncture needle body (1).

6. The puncture needle for ablation and gasification negative pressure aspiration as set forth in claim 1, wherein: the puncture needle is characterized in that a gland (6) used for preventing the sealing plug (3) from being separated is arranged at the top end of the puncture needle body (1), and a bare optical fiber inlet (31) is formed in the middle of the gland (6) so that optical fibers can conveniently pass through an opening in the inner cavity of the puncture needle body (1).

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