CN115212385A - Safe type not damaged infusion port needle - Google Patents

Abstract

The invention discloses a safe non-damage infusion port needle, which comprises: a needle barrel, which has an inner space enclosed by a top wall and a barrel wall, the barrel wall has a retractable section for adjusting the height of the needle barrel, and the A positioning platform is arranged in the inner space; a needle body is used for piercing the infusion port, the needle body includes a needle tube and a needle tip, the needle tube extends and passes through the top wall of the needle tube, and the needle tip passes through the The infusion port is inserted into the infusion port after positioning the platform; and a safety base is arranged at the bottom of the needle cylinder and sleeved on the infusion port, and the safety base is made of elastic material. The invention has the beneficial effects of simple structure, reasonable design, convenient processing, etc., and can improve the success rate and safety of puncture, avoid patients and medical staff from being stabbed, and effectively ensure the safety of patients and medical staff.

Description

Safe non-invasive infusion port needle

technical field

The present invention relates to a medical nursing device. More specifically, the present invention relates to a safe non-invasive infusion port needle.

Background technique

The infusion port is a closed infusion device that is completely implanted in the human body. When using it, the infusion port seat needs to be placed into the human body first, and then the infusion port needle is inserted through the skin and inserted into the infusion port seat. Remove the port needle. At present, many patients choose to implant infusion ports to complete chemotherapy, and infusion ports are widely used. However, it is clinically found that in the process of needle withdrawal, the needle tip of the infusion port may easily stab the patient or medical staff, thereby causing cross-infection. When the needle is pulled out, it needs a lot of strength to pull out. In this way, the strength and stability of the pull-out are not easy to grasp, which increases the probability of the needle tip hurting people. At present, most of the needles on the market are all kinds of non-damaged steel needles, and there is no safe infusion port needle.

SUMMARY OF THE INVENTION

An object of the present invention is to solve at least the above-mentioned problems and to provide at least the advantages which will be explained later.

Another object of the present invention is to provide a safe non-invasive infusion port needle, which can improve the success rate and safety of puncture, prevent patients and medical staff from being stabbed, and effectively ensure the safety of patients and medical staff.

To achieve these objects and other advantages in accordance with the present invention, there is provided a safe atraumatic port needle comprising:

a needle body, which is used to pierce the infusion port, the needle body includes a needle tube and a needle head, the needle tube extends and passes through the top wall of the needle cylinder, and the needle head penetrates the positioning platform and then penetrates into the infusion port;

and a safety base, which is arranged at the bottom of the syringe and sleeved on the infusion port, and the safety base is made of elastic material.

Preferably, the positioning platform is arranged downstream of the retractable section, and the positioning platform is provided with:

a positioning hole, which is opened on the positioning platform, and the needle tube passes through the positioning hole;

and a stopper, which is used to lock the needle when the needle is withdrawn.

Preferably, the limiting member includes: two locking hooks symmetrically arranged on both sides of the positioning hole, the two locking hooks are arc-shaped and connected to the lower surface of the positioning platform; the needle tube When going down, the two locking hooks are opened; when the needle tube is going up, when the needle abuts the front end of the locking hook, the locking hook is closed.

Preferably, the limiting member includes: two locking hooks symmetrically arranged on both sides of the positioning hole, the two locking hooks are in a half-figure eight shape, are arranged in a vertical direction, and are in a figure eight shape when closed.

Preferably, the safe non-invasive infusion port needle further comprises:

an extension tube, which is connected to the tail end of the needle tube, and a hemostatic clip is arranged on the extension tube;

and a positive pressure fitting, which is connected to the extension tube.

Preferably, the telescopic section of the syringe is a bellows section; the top wall is made of a transparent material, and the cylinder wall is made of an opaque material.

Preferably, the needle tube is a figure-7 shape, and a bush is sleeved on the corner of the needle tube, and the bushing is a figure-7-shaped or cylindrical silica gel block.

Preferably, the safety base is made of elastic rubber material, and an adjustment seam for adjusting the tightness is further provided on the safety base.

Preferably, the outer peripheral edge of the safety base extends out of the outer rim portion along its radial direction.

Preferably, the safety type atraumatic port needle further comprises: a base cover, the base of which is covered on the safety base.

When using the safe non-invasive infusion port needle of the present invention, first fully disinfect the skin at the puncture site, remove the base cover, wrap the safety base on the infusion port, and press and stabilize the outer surface of the base with one hand. Along the edge, use the other hand to press down the syringe forcefully. After the needle pierces the infusion port, connect the positive pressure connector with a syringe. After confirming that it is in place, flush the tube and close the hemostatic clip. Injury the infusion port needle and start infusion therapy.

The invention at least includes the following beneficial effects: the safe non-damage infusion port needle of the invention has simple structure, easy production and controllable cost. The safety base can prevent the needle tip from damaging the infusion port base, and at the same time play a fixing role. The barrel wall is retractable, which can realize height adjustment of the barrel wall, and can ensure puncture of different depths. The safety base has elastic and adjustable seams, which can fit perfectly with the infusion port and improve the success rate of puncture. The positioning platform can ensure the positioning of the needle head and improve the success rate of puncture. Meanwhile, the design of the limiter ensures the safety of medical personnel and patients, and greatly reduces the incidence of needle stick injuries. Further, the opaque design of the barrel wall reduces the patient's fear; the transparent design of the top wall allows the operator to visualize the puncture point. The safe non-invasive infusion port needle of the invention can improve the success rate of puncture, ensure the safety of patients and medical staff, and benefit the vast number of infusion port users.

Other advantages, objects, and features of the present invention will appear in part from the description that follows, and in part will be appreciated by those skilled in the art from the study and practice of the invention.

Description of drawings

FIG. 1 is a schematic structural diagram of a safe non-damage infusion port needle according to one embodiment of the present invention;

Fig. 2 is the product state diagram of the safe type non-damage infusion port needle according to one of the embodiments of the present invention;

Fig. 3 is the use state diagram of the safe type non-invasive infusion port needle according to one of the embodiments of the present invention;

FIG. 4 is a state diagram after use of the safe non-invasive infusion port needle according to one embodiment of the present invention.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

It should be understood that terms such as "having", "comprising" and "including" as used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

As shown in Figure 1, the present invention provides a safe non-invasive infusion port needle, which includes:

The needle cylinder 100 has an inner space 103 enclosed by a top wall 101 and a cylinder wall 102, the cylinder wall 102 has a retractable section 1021 for adjusting the height of the needle cylinder, and a positioning platform 104 is arranged in the inner space; the For example, the top wall 101 is set to be transparent, which is convenient for medical staff to observe the puncture position and improves the puncture efficiency. The barrel wall 102 is, for example, provided to be opaque, which can relax the patient's mood. The function of the telescopic section 1021 is to adjust the height of the needle cylinder 100, and the telescopic section 1021 can be configured as a corrugated tube section or a retractable sleeve. In the present invention, in order to save costs, a corrugated tube is preferably provided, and the height of the syringe 100 can be adjusted by pressing or lifting by medical staff.

The needle body 200 includes a needle tube 201 accommodated in the inner space 103 and a needle head 202 , the needle tube 201 extends and passes through the top wall 101 of the needle tube 100 , and the needle head 202 passes through the positioning platform 104 After puncturing the infusion port; the function of the positioning platform 104 is to locate and fix the position of the needle body, so as to prevent the needle from being displaced due to external force during the puncturing process or the use process. The positioning platform 104 may be a film encapsulated on the entire inner peripheral wall of the needle cylinder 100, or a transparent plastic sheet, and a through hole for the needle body 200 to pass through may be provided on the positioning platform 104. . The needle 202 is, for example, a common Huber needle, or a conventional non-damaged steel needle.

and a safety base 300, which is arranged at the bottom of the syringe 100 and sleeved on the infusion port, and the safety base 300 is made of elastic material. The safety base 300 is used to be sleeved on the infusion port to position the syringe 100 and improve the stability of the device.

In one embodiment, as shown in FIGS. 1-4 , the positioning platform 104 further includes:

a positioning hole 1041, which is opened on the positioning platform 104, and the needle tube 201 passes through the positioning hole 1041;

The limiting members 1042 are disposed on the lower surface of the positioning platform 104 and are located on both sides of the positioning hole 1041 . As shown in FIG. 2 , in the product state, the needle tube 201 is kept in the limiting member 1042 ; as shown in FIG. 3 , when puncturing, the retractable section 1021 is compressed, and the needle tube 201 passes through the The limiting member 1042 is inserted downward into the infusion port. As shown in FIG. 4 , when the needle is pulled out, the retractable section 1021 is stretched, the needle 202 moves upward, and when it moves into the limiter 1042 , the limiter 1042 is locked due to the upward pulling force. The needle 202 is closed. The needle 202 can be held in the limiting member 1042, so that the needle 202 is confined in the syringe 100 to avoid puncturing the patient or medical staff. The limiting member 1042, for example, has weak elasticity, and can be opened or closed under an external force. When the positioning platform 104 is set as a thin film, the limiting member 1042 may be an arc-shaped sheet. When the needle tube 201 moves upward, the thin film will be driven to move slightly upward, thereby driving the limiting member 1042 form a lock.

In one embodiment, as shown in FIG. 1 , the limiting member 1042 includes: two locking hooks symmetrically arranged on both sides of the positioning hole 1041 , and the two locking hooks are arc-shaped. connected to the lower surface of the positioning platform 104; when the needle tube 201 goes down, the two locking hooks are opened; when the needle tube 201 goes up, when the needle 202 abuts the front end of the locking hook, the locking hook is closed .

In one of the embodiments, as shown in Figs. 2-4, the two locking hooks are half-figure-eight, arranged in the vertical direction, and are in figure-eight shape when closed; when the needle tube 201 goes down, the two The locking hook is opened; the needle tube 201 goes up, and when the needle 202 abuts the front end of the locking hook, the locking hook is closed.

In one embodiment, as shown in FIG. 1 , the safe non-invasive infusion port needle further includes:

The extension tube 400 is connected to the tail end of the needle tube 201, and the extension tube 400 is provided with a hemostatic clip 401;

and a positive pressure joint 500, which is connected to the extension pipe 400.

In one embodiment, as shown in FIGS. 1-4 , the telescopic section 1021 of the syringe 100 is a bellows section; the top wall 101 is made of a transparent material, and the cylinder wall 102 is opaque material.

In one embodiment, as shown in FIG. 1 , the needle tube 202 is 7-shaped, and a bush 203 is sleeved on the corner of the needle tube 201 , and the bush 203 is 7-shaped or cylindrical Silicone block.

In one embodiment, as shown in FIG. 1 , the safety base 300 is made of elastic rubber material, and an adjustment seam 301 for adjusting the tightness is further provided on the safety base 300 .

In one embodiment, as shown in FIG. 1 , the outer peripheral edge of the safety base 300 extends out of the outer edge portion 302 along the radial direction thereof. The outer edge portion 302 is used for holding or pressing by the medical staff to maintain the stability of the syringe 100 .

In one embodiment, as shown in FIG. 1 , the safety-type non-invasive infusion port needle further includes: a base cover 500 , which is covered on the safety base 300 . The base cover 500 plays the role of dustproof and waterproof, and is also used to maintain the sterile state of the safe non-damaged infusion port needle of the present invention.

Although the embodiment of the present invention has been disclosed as above, it is not limited to the application listed in the description and the embodiment, and it can be applied to various fields suitable for the present invention. For those skilled in the art, it can be easily Therefore, the invention is not limited to the specific details and illustrations shown and described herein without departing from the general concept defined by the appended claims and the scope of equivalents.

Claims (10)

1. safe type non-destructive infusion port needle, is characterized in that, comprises: a needle cylinder, which has an inner space enclosed by a top wall and a cylinder wall, the cylinder wall has a retractable section for adjusting the height of the needle cylinder, and a positioning platform is arranged in the inner space; a needle body, which is used to pierce the infusion port, the needle body includes a needle tube and a needle head, the needle tube extends and passes through the top wall of the needle cylinder, and the needle head penetrates the positioning platform and then penetrates into the infusion port; and a safety base, which is arranged at the bottom of the syringe and sleeved on the infusion port, and the safety base is made of elastic material. 2. The safe type non-invasive infusion port needle according to claim 1, wherein the positioning platform is arranged downstream of the retractable section, and the positioning platform is provided with: a positioning hole, which is opened on the positioning platform, and the needle tube passes through the positioning hole; and a stopper, which is used to lock the needle when the needle is withdrawn. 3. The safe non-damage infusion port needle according to claim 2, wherein the limiting member comprises: two locking hooks symmetrically arranged on both sides of the positioning hole, the two locking hooks are It is arc-shaped and connected to the lower surface of the positioning platform; when the needle tube goes down, the two locking hooks are opened; when the needle tube goes up, when the needle abuts the front end of the locking hook, the locking hook is closed. 4. The safe non-damage infusion port needle according to claim 3, wherein the limiting member comprises: two locking hooks symmetrically arranged on both sides of the positioning hole, the two locking hooks are Half figure-eight, set along the vertical direction, and it is in figure-eight shape when closed. 5. The safe type non-invasive infusion port needle as claimed in claim 1, further comprising: an extension tube, which is connected to the tail end of the needle tube, and a hemostatic clip is arranged on the extension tube; and a positive pressure fitting, which is connected to the extension tube. 6. The safe type non-invasive infusion port needle according to claim 1, wherein the retractable section of the syringe barrel is a corrugated pipe section; the top wall is made of a transparent material, and the barrel wall is Made of opaque material. 7. The safe type atraumatic infusion port needle according to claim 1, wherein the needle tube is a 7-shape, and a bush is sleeved on the corner of the needle tube, and the bush is a 7-shape or cylindrical silicone blocks. 8 . The safe non-damage infusion port needle according to claim 1 , wherein the safety base is made of elastic rubber material, and an adjusting seam for adjusting the tightness is further provided on the safety base. 9 . 9 . The safety-type atraumatic port needle according to claim 8 , wherein the outer peripheral edge of the safety base extends out of the outer edge portion along the radial direction. 10 . 10 . The safe non-invasive infusion port needle according to claim 1 , further comprising: a base cover, the base of which is covered on the safety base. 11 .

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