CN219001474U

CN219001474U - Safety non-damage transfusion port needle

Info

Publication number: CN219001474U
Application number: CN202222089728.9U
Authority: CN
Inventors: 李璐; 郅浩亮
Original assignee: Beijing Tiantan Hospital
Current assignee: Beijing Tiantan Hospital
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-05-12
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a safe type harmless transfusion harbor needle, which comprises the following steps: the needle cylinder is provided with an inner space surrounded by a top wall and a cylinder wall, the cylinder wall is provided with a telescopic section for adjusting the height of the needle cylinder, and a positioning platform is arranged in the inner space; the needle body comprises a needle tube and a needle head which are accommodated in the inner space, the needle tube extends out of the top wall of the needle cylinder, and the needle head penetrates through the positioning platform and then penetrates into the transfusion port; and the safety base is arranged at the bottom of the needle cylinder and sleeved on the transfusion port, and the safety base is made of elastic materials. The utility model has the advantages of simple structure, reasonable design, convenient processing and the like, can improve the success rate and the safety of puncture, avoid the puncture of patients and medical staff, and effectively ensure the safety of the patients and the medical staff.

Description

Safety non-damage transfusion port needle

Technical Field

The utility model relates to a medical nursing apparatus. More particularly, the present utility model relates to a safe atraumatic port needle for infusion.

Background

The transfusion port is a closed transfusion device completely implanted in a human body, when in use, the transfusion port seat is firstly placed in the human body, then the transfusion port needle head is inserted into the transfusion port seat after penetrating through the skin, and after transfusion is completed, the transfusion port needle head is pulled out. At present, the incidence rate of cancer patients in China is 285.91/10 ten thousand population, and many patients choose to implant an infusion port to finish chemotherapy, so that the application population of the infusion port is wide. However, in clinic, it is found that during the process of needle withdrawal, the needle tip of the transfusion port is easy to stab a patient or medical staff, thereby causing cross infection; meanwhile, the existing transfusion port needle is inserted into the transfusion port seat in the inserting process, the inserting distance is deeper, and when the needle is pulled out again, great force is needed for pulling out, so that the pulling-out force and the stability are not easy to grasp, and the probability of hurting people by the needle point is increased. At present, most of the current market is a variety of nondestructive steel needles, and no safe transfusion harbor needle exists.

Disclosure of Invention

It is an object of the present utility model to solve at least the above problems and to provide at least the advantages to be described later.

It is still another object of the present utility model to provide a safe type atraumatic transfusion harbor needle, which can improve the success rate and safety of puncture, prevent the patient and medical staff from being pricked, and effectively ensure the safety of the patient and medical staff.

To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided a safety atraumatic transfusion harbor needle comprising:

the needle cylinder is provided with an inner space surrounded by a top wall and a cylinder wall, the cylinder wall is provided with a telescopic section for adjusting the height of the needle cylinder, and a positioning platform is arranged in the inner space;

the needle body comprises a needle tube and a needle head which are accommodated in the inner space, the needle tube extends out of the top wall of the needle cylinder, and the needle head penetrates through the positioning platform and then penetrates into the transfusion port;

and the safety base is arranged at the bottom of the needle cylinder and sleeved on the transfusion port, and the safety base is made of elastic materials.

Preferably, the positioning platform further comprises:

the positioning hole is formed in the positioning platform, and the needle tube passes through the positioning hole;

and the limiting piece is arranged on the lower surface of the positioning platform and positioned at two sides of the positioning hole, when the needle penetrates through the limiting piece and is pulled out, the limiting piece locks the needle.

Preferably, the limiting member includes: the two locking hooks are symmetrically arranged on two sides of the positioning hole and are arc-shaped; when the needle tube descends, the two latch hooks are opened; and the needle tube moves upwards, and when the needle head abuts against the front end of the latch hook, the latch hook is closed.

Preferably, the two lock hooks are semi-splayed, are arranged along the vertical direction and are splayed when closed.

Preferably, the safe atraumatic infusion port needle further comprises:

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

and a positive pressure connector connected to the extension tube.

Preferably, the retractable section of the syringe is a bellows section; the top wall is made of transparent materials, and the cylinder wall is made of opaque materials.

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

Preferably, the safety base is made of elastic rubber material, and an adjusting slit for adjusting tightness is further formed in the safety base.

Preferably, the safety base has an outer peripheral edge extending in its radial direction beyond the outer rim.

Preferably, the safe atraumatic infusion port needle further comprises: and the base cover is covered on the safety base.

When the safe type nondestructive transfusion harbor needle is used, skin at a puncture position is fully disinfected, the base cover is taken down, the safe base is wrapped on the transfusion harbor, the outer edge part of the base is pressed and stabilized by one hand, the needle cylinder is pressed down by the other hand, after the needle head penetrates the transfusion harbor, the positive pressure connector is linked by the injector, a flushing pipe is determined after the needle head penetrates the transfusion harbor, the hemostatic clamp is closed, the noninvasive transfusion harbor needle is fixed by the adhesive film, and transfusion treatment is started.

The utility model at least comprises the following beneficial effects: the safe and harmless transfusion port needle has the advantages of simple structure, easy production and controllable cost. The safety base can prevent the needle tip from damaging the transfusion harbor base and plays a role in fixation. The cylinder wall is telescopic, so that the height of the cylinder wall can be adjusted, and puncture with different depths can be guaranteed. The safety base is provided with elasticity and an adjusting seam, and can be completely attached to the transfusion port, so that the success rate of puncture is improved. The positioning platform can ensure the positioning of the needle head, the puncture success rate is improved, and meanwhile, the design of the limiting piece ensures the safety of medical staff and patients, so that the incidence rate of needle puncture is greatly reduced. Further, the opaque design of the cartridge wall reduces patient fear; the transparent design of the top wall allows the operator to intuitively pierce points. The safe and harmless transfusion port needle can improve the success rate of puncture, ensure the safety of patients and medical staff and benefit the vast transfusion port users.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic view of a safe atraumatic port needle according to one embodiment of the present utility model;

FIG. 2 is a diagram showing a product status of a safety atraumatic port needle according to one embodiment of the present utility model;

FIG. 3 is a view showing a safe and atraumatic port needle according to one embodiment of the present utility model;

FIG. 4 is a view showing a safe and atraumatic port needle in accordance with one embodiment of the present utility model after use.

Detailed Description

The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.

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

As shown in fig. 1, the present utility model provides a safe atraumatic infusion port needle, comprising:

a syringe 100 having an interior space 103 defined by a top wall 101 and a barrel wall 102, the barrel wall 102 having a telescoping section 1021 for adjusting the height of the syringe, a positioning platform 104 being disposed within the interior space; the top wall 101 is transparent, for example, so that a medical staff can observe the puncture position conveniently, and the puncture efficiency is improved. The wall 102 is, for example, configured to be opaque to relax the mood of the patient. The function of the telescopic section 1021 is to adjust the height of the syringe 100, and the telescopic section 1021 may be configured as a bellows section or as a telescopic tube. The present utility model is preferably configured to be bellows for saving costs, and the height of the cylinder 100 can be adjusted by pressing or lifting by a medical staff.

A needle body 200 comprising a needle tube 201 and a needle 202 accommodated in the inner space 103, the needle tube 201 extending and penetrating out of the top wall 101 of the syringe 100, the needle 202 penetrating through the positioning platform 104 and penetrating into the port of transfusion; the positioning platform 104 is used for positioning and fixing the position of the needle body, so as to prevent the needle from being displaced due to external force in the process of puncturing or using. The positioning platform 104 may be a film sealed and molded on the entire inner peripheral wall of the syringe 100, or may be a transparent plastic sheet, and the positioning platform 104 may be provided with a through hole for the needle body 200 to pass through. The needle 202 is, for example, a conventional Huber needle, and a conventional atraumatic steel needle may be used.

And a safety base 300 disposed at the bottom of the syringe 100 and sleeved on the port, wherein the safety base 300 is made of an elastic material. The safety base 300 is used for being sleeved on the transfusion port, and plays a role in positioning the syringe 100, so that the stability of the device is improved.

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

a positioning hole 1041 formed on the positioning platform 104, wherein 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 located on two sides of the positioning hole 1041. As shown in fig. 2, in the product state, the needle 201 is held in the stopper 1042; as shown in FIG. 3, when puncturing, the collapsible section 1021 is compressed and the needle cannula 201 passes through the stop 1042 and pierces the port downwardly. As shown in FIG. 4, when the needle is pulled out, the retractable section 1021 is pulled, and the needle 202 moves upward, and when the needle moves into the limiting member 1042, the limiting member 1042 locks the needle 202 by the upward pulling force. The needle 202 may be retained within the retainer 1042, which will limit the needle 202 to the barrel 100, avoiding trauma to the patient or medical personnel. The limiting member 1042 has weak elasticity, and can be opened or closed by an external force. When the positioning platform 104 is configured as a film, the limiting member 1042 may be an arc-shaped sheet, and when the needle 201 moves upwards, the film is driven to move upwards slightly, so that the limiting member 1042 is driven to form a lock.

In one embodiment, as shown in fig. 1, the limiting member 1042 includes: the two locking hooks are symmetrically arranged on two sides of the positioning hole 1041, and the two locking hooks are arc-shaped.

In one embodiment, as shown in fig. 2-4, the two latch hooks are semi-splayed, are arranged along the vertical direction, and are splayed when closed; when the needle tube 201 descends, the two latch hooks are opened; the needle tube 201 moves upward, and when the needle 202 abuts against the front end of the latch hook, the latch hook is closed.

In one embodiment, as shown in fig. 1, the safety atraumatic infusion port needle further comprises:

an extension tube 400 connected to the tail end of the needle tube 201, wherein a hemostatic clip 401 is disposed on the extension tube 400;

and a positive pressure fitting 500 attached to the extension tube 400.

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

In one embodiment, as shown in fig. 1, the needle tube 202 is 7-shaped, and a bushing 203 is sleeved on a corner of the needle tube 201, wherein the bushing 203 is a 7-shaped or cylindrical silica gel block.

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

In one embodiment, as shown in fig. 1, the outer periphery of the safety base 300 extends out of the outer rim 302 in the radial direction thereof. The outer edge 302 is used to hold or press upon by a healthcare worker during use to maintain stability of the cartridge 100.

In one embodiment, as shown in fig. 1, the safety atraumatic infusion port needle further comprises: a base cover 500 that covers the safety base 300. The base cover 500 plays a role in dust prevention and water prevention, and also serves to maintain the sterility of the safety atraumatic transfusion harbor needle of the present utility model.

Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims

1. Safe type does not have damage infusion port needle, its characterized in that includes:

2. The safety atraumatic infusion port needle of claim 1, wherein the positioning platform further comprises:

3. The safety atraumatic port needle of claim 2, wherein the stop comprises: the two locking hooks are symmetrically arranged on two sides of the positioning hole and are arc-shaped; when the needle tube descends, the two latch hooks are opened; and the needle tube moves upwards, and when the needle head abuts against the front end of the latch hook, the latch hook is closed.

4. The safety atraumatic port needle of claim 3, wherein the two locking hooks are semi-splayed, disposed in a vertical orientation, and splayed when closed.

5. The safety atraumatic port needle of claim 1, further comprising:

and a positive pressure connector connected to the extension tube.

6. The safety atraumatic port needle of claim 1, wherein the telescoping section of the barrel is a bellows section; the top wall is made of transparent materials, and the cylinder wall is made of opaque materials.

7. The safe and atraumatic transfusion harbor needle of claim 1, wherein the needle tube is 7-shaped, a bushing is sleeved on the corner of the needle tube, and the bushing is 7-shaped or cylindrical silica gel block.

8. The safety atraumatic port needle of claim 1, wherein the safety base is made of an elastic rubber material, and an adjustment slit for adjusting tightness is further provided on the safety base.

9. The safety atraumatic port needle of claim 8, wherein the safety base has an outer periphery extending radially outward from the outer periphery.

10. The safety atraumatic port needle of claim 1, further comprising: and the base cover is covered on the safety base.