CN219963459U - Dosing needle - Google Patents

Abstract

The utility model relates to a medicine-adding needle, which includes a handle and a needle with a lumen inside. Needles are respectively provided at both ends of the handle, and the two needles are connected with the lumen; a flexible sleeve is set on the outside of each needle. ; The inner ends of the two flexible sleeves are connected to the two ends of the handle respectively, and the outer ends of the flexible sleeves are closed; when dispensing medicine, medical staff can hold the handle and pierce the two needles into the flexible sleeves and into the infusion bag and medicine. bottle, so that the powder to be dispensed and the liquid to be infused can be mixed and dissolved without contact with external air or contamination to form the liquid to be dispensed, and then the two needles are pulled out from the infusion bag and the medicine bottle respectively to prevent Sealed dispensing to prevent needles and medicines from being contaminated by the outside world and prevent needle stick injuries to medical staff.

Description

A dosing needle

Technical field

The utility model relates to a medicine-adding needle.

Background technique

Currently, when nursing staff are dispensing medicines for patients, for example, when mixing the powder to be dispensed in the medicine bottle with the medicine to be infused in the infusion bag, they need to perform the following steps:

Step 1: Pierce the sealing plug of the infusion bag with the needle of the syringe and insert it into the infusion bag, aspirate the liquid to be infused in the infusion bag, and pull out the syringe from the infusion bag;

Step 2: Pierce the stopper of the medicine bottle with the needle of the syringe, and insert the needle of the syringe into the medicine bottle;

Step 3: Push the piston of the syringe to push the liquid to be transfused in the syringe into the medicine bottle, so that the powder to be dispensed and the liquid to be transfused are mixed and dissolved into the liquid to be dispensed;

Step 4: Pull the piston of the syringe to draw the liquid to be dispensed in the medicine bottle into the syringe;

Step 5: Pull out the syringe from the medicine bottle, pierce the sealing plug of the infusion bag with the needle of the syringe and insert it into the infusion bag, then push the piston of the syringe to push the liquid to be dispensed in the syringe into the infusion bag. The medicines to be prepared in the medicine bottle are mixed and put into the infusion bag.

It can be seen that when multiple medicinal liquids need to be prepared, the above-mentioned dispensing method of the prior art requires a needle of a syringe to repeatedly pierce the plug body of the infusion bag and the medicine bottle, causing the tip of the needle to insert into a stopper such as a rubber stopper. It is easy to cause contamination when in the body, or it is easy to stab the operator.

Contents of the invention

In view of at least one of the problems in the above-mentioned prior art, the purpose of this utility model is to provide a dosing needle that can reduce the probability of needle contamination when dispensing medicine to patients, and can effectively prevent medical personnel from contaminating the needle during the operation. stab wounds, thereby improving dispensing safety and operational safety.

In order to achieve the above purpose, the present utility model adopts the following technical solutions:

A dosing needle, including:

A handle with a lumen inside;

Needles, the needles are respectively provided at both ends of the handle, and the two needles are connected with the lumen;

A flexible sleeve is set on the outside of each needle; the inner ends of the two flexible sleeves are connected to the two ends of the handle respectively, and the outer ends of the flexible sleeves are closed.

Preferably, the flexible sleeves are respectively covered with protective sleeves on the outside, the inner ends of the two protective sleeves are connected to the two ends of the handle respectively, and the outer ends of the protective sleeves are closed.

Preferably, both ends of the handle are respectively provided with external threads, and the inner walls of the inner ends of the protective sleeves are respectively provided with internal threads. The inner ends of the two protective sleeves are threaded with the two ends of the handle respectively. connect.

Preferably, both ends of the handle are respectively provided with raised threaded seats, and a hollow channel is provided inside the threaded seat, and the channel is connected with the lumen; the outer wall of the threaded seat is provided with an outer Threads, the inner ends of the two protective sleeves are threadedly connected to the two threaded seats respectively.

Preferably, a filter is provided in the handle.

Preferably, there are two filter screens, which are respectively provided at both ends of the lumen.

Preferably, the outer wall of the handle is provided with anti-slip patterns.

Due to the adoption of the above technical solutions, the utility model has the following advantages:

1. The medication needle of the present utility model has a reasonable structure and can avoid external contamination of the needle and medicine when used to dispense medicine for patients, and can prevent needle stick injuries to medical staff.

2. The medication needle of the present invention can be provided with a double-layer sleeve structure outside the needle. The flexible sleeve on the inner layer can not only prevent the needle from being exposed, but also facilitate the needle to pierce the plug body of the infusion bag and medicine bottle. It plays the role of sealing the needle and preventing contamination, and the flexible sleeve wraps the tip of the needle, which can prevent the needle tip from stabbing medical staff; its outer protective sleeve protects the flexible sleeve and needle, preventing the flexible sleeve from being stabbed. Punctured by a needle due to accidental impact.

3. The outer protective sleeve of the dosing needle of the present utility model can be connected to the handle through threads and threaded bases, which facilitates the installation or removal of the protective sleeve and handle, is easy to operate, and saves time and effort.

4. The medication needle of the present utility model can be provided with a filter in the lumen of the handle, which can filter debris from the rubber stopper in the needle and prevent debris from entering the infusion bag and contaminating the medicinal liquid.

Description of the drawings

Figure 1 is a schematic structural diagram of a dosing needle provided by an embodiment of the present invention.

Figure 2 is a schematic diagram of the use state of the dosing needle provided by one embodiment of the present invention.

Markings in the attached picture:

1 is the handle, 110 is the lumen, 120 is the threaded needle holder, 2 is the needle, 3 is the flexible sleeve, 4 is the protective sleeve, 5 is the infusion bag, and 6 is the medicine bottle.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clear, the technical solutions of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "back", etc. are based on the orientation or positional relationship shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it is not intended to indicate or imply that the system or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present invention.

In the description of the present utility model, it should be noted that, unless otherwise clearly stated and limited, the terms "assembly", "setting" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a removable connection. Detachable connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The dosing needle provided by the utility model can complete dispensing by setting needles at both ends of the handle, and piercing the two needles to connect the infusion bag and the medicine bottle once, thereby avoiding contamination caused by repeated piercing and use of the needle. Or stabbing medical staff; and the two needles are enclosed in flexible sleeves, which helps prevent the needles from being contaminated or accidentally injuring medical staff.

Below, the embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Example

Please refer to Figure 1. This embodiment provides a dosing needle, including:

The handle 1 has a lumen 110 inside;

Needle 2 is provided at both ends of the handle 1, and the two needles 2 are connected with the lumen 110;

The flexible sleeve 3 is set on the outside of each needle 2; the inner ends of the two flexible sleeves 3 are connected to the two ends of the handle 1 respectively, and the outer ends of the flexible sleeves 3 are closed.

The outer end refers to the end away from the center point of the handle 1, that is, the upper end and the lower end as shown in Figures 1 and 2. On the contrary, the inner end refers to the end close to the center point of handle 1. The medicine-adding needle of this embodiment is provided with a handle 1 in the middle, and a hollow lumen 110 is provided inside the handle. Both ends of the handle 1 are respectively connected to the needle 2. The inside of the needle 2 is provided with a hollow channel, and the channel is connected to the lumen 110 for the circulation of medicinal liquid and air. The needles 2 connected to both ends of the handle 1 are completely wrapped in flexible sleeves 3, and the flexible sleeves 3 are made of silicone. The outer ends of the two needles 2 are both set as needle points, which can pierce the closed outer end of the flexible sleeve 3 .

Please refer to Figure 2. When dispensing medication to a patient, for example, when mixing the powder to be dispensed in the medicine bottle 6 into the liquid to be infused in the infusion bag 5, the dosing needle of this embodiment needs to be Follow these steps:

Step 1: Place the infusion bag 5 above, the medical staff holds the handle 1, and pierces the closed end of the flexible sleeve 3 with the needle 2 above it; continue to push the needle 2, through the expansion and contraction of the flexible sleeve 3, Make the needle 2 penetrate its flexible sleeve 3 and pierce the sealing plug of the infusion bag 5, and insert it into the liquid to be infused in the infusion bag 5;

Step 2: Place the medicine bottle 6 below, and pierce the closed end of the outer flexible sleeve 3 with the needle 2 below; continue to push the needle 2, and the flexible sleeve 3 will also expand and contract, causing the needle 2 to pierce. Break the cork of the medicine bottle 6 and insert it into the medicine bottle 6; at this time, since the medicine bottle 6 containing the powder to be dispensed in the prior art is generally in a negative pressure state, the liquid to be infused in the upper infusion bag 5 The medicinal liquid is sucked into the medicinal bottle 6 by the negative pressure in the medicinal bottle 6. The medicinal bottle 6 is generally an antibiotic medicinal bottle, so that the powder to be dispensed and the medicinal liquid to be infused can be mixed without contacting external air and avoiding contamination. Dissolve to form a liquid to be dispensed;

Step 3: Turn the dosing needle of this embodiment upside down, that is, place the medicine bottle 6 above so that the needle 2 in the medicine bottle 6 is located in the liquid to be dispensed; place the infusion bag 5 below so that the infusion bag The needle 2 in 5 is located in the air above the liquid to be infused; then pinch the infusion bag 5 so that the air in the infusion bag 5 is squeezed into the medicine bottle 6 through the dosing needle to increase the air pressure in the medicine bottle 6 , so that the liquid to be dispensed in the medicine bottle 6 is pressed into the infusion bag 5 through the dosing needle, and the medicine to be dispensed in the medicine bottle 6 is mixed and dispensed into the infusion bag 5 . If multiple medicinal liquids are configured, just pull out the needle 2 at the 6 end of the medicinal bottle, and the flexible sleeve 3 will re-insert the needle 2 inside it under the action of its elasticity, and then repeat the above steps.

Step 4: After completing the dispensing, the two needles 2 are pulled out from the infusion bag 5 and the medicine bottle 6 respectively, thereby achieving sealed dispensing that prevents the needle 2 and the medicine from being contaminated by the outside world and prevents the needle 2 from stabbing medical staff.

It can be seen that the dosing needle of this embodiment is provided with a handle 1, which is convenient for taking and using. The two ends of the handle 1 are respectively provided with needles 2, and the two needles 2 are used to pierce the infusion bag 5 and the medicine bottle 6 respectively. That is, the two needles 2 can complete the dispensing by performing only one piercing operation, avoiding repeated piercing by the needle 2. The use of the infusion bag 5 may lead to contamination or stabbing of medical personnel; and the two needles 2 are respectively enclosed in the flexible sleeves 3. After the needles 2 are pulled out from the plug body, the flexible sleeves 3 can automatically reset and wrap around the needles 2, which is helpful to avoid The needle 2 and the medicine are contaminated by the outside world or accidentally injure medical staff.

Please refer to Figure 1 and Figure 2 in combination. Specifically, the handle 1, the needle 2 and the flexible sleeve 3 are all arranged as round tubes, and the three are arranged so that their central axes coincide. The flexible sleeve 3 is configured as an elastic, telescopic silicone sleeve. The flexible sleeve 3 can be a transparent sleeve.

In some embodiments, protective sleeves 4 are respectively set on the outside of the flexible sleeve 3. The inner ends of the two protective sleeves 4 are respectively connected to the two ends of the handle 1, and the outer ends of the protective sleeves 4 are closed. The protective sleeve 4 can further protect the flexible sleeve 3 and the needle 2 to prevent the flexible sleeve 3 from being accidentally squeezed and pierced by the needle 2 .

Specifically, the protective sleeve 4 can be provided as a plastic tube, such as a hard plastic tube. The hardness of the protective sleeve 4 is greater than the hardness of the flexible sleeve 3 . The protective sleeve 4 is configured as a round tube, and may be configured as a transparent sleeve, for example. The protective sleeve 4 and the flexible sleeve 3 are arranged so that their central axes coincide with each other.

When dispensing medication to a patient with the medication needle of this embodiment, first remove the protective sleeve 4 outside the flexible sleeve 3 of the needle 2, and then pierce the closed end of the outer flexible sleeve 3 with the needle 2 for subsequent steps. use.

Specifically, the two ends of the handle 1 are respectively provided with external threads, the inner end walls of the protective sleeves 4 are respectively provided with internal threads, and the inner ends of the two protective sleeves 4 are threadedly connected to the two ends of the handle 1 respectively, so that It is convenient to install or remove the protective sleeve 4 and the handle 1. When dispensing medicine to a patient, you only need to rotate the protective sleeve 4 first to remove its threaded connection with the handle 1, which is easy to operate and saves time and effort.

More specifically, both ends of the handle 1 are respectively provided with raised threaded seats 120, and a hollow channel is provided inside the threaded seat 120, and the channel is connected with the tube cavity 110; external threads are provided on the outer wall of the threaded seat 120, and two The inner ends of each protective sleeve 4 are threadedly connected to two threaded seats 120 respectively, so that the protective sleeve 4 can be connected to both ends of the handle 1 through the threaded seats 120. The threaded seat 120 and the handle 1 are provided as an integral structure. The threaded seat 120 is configured as a cylinder, and its central axis coincides with the central axis of the handle 1 .

In some embodiments, a filter is provided in the handle 1. Since a variety of medicinal liquids will be configured, the needle 2 in contact with the medicinal bottle 6 will pierce different dispensing bottles 6 multiple times, and pierce different dispensing liquids multiple times. As for the rubber stopper of bottle 6, the debris of the rubber stopper may be stored in the needle of needle 2. The debris of the rubber stopper can be filtered through the filter to prevent the debris from entering the infusion bag and contaminating the medicinal solution.

Specifically, there are two filters, which are respectively provided at both ends of the tube lumen 110 .

In some embodiments, the outer wall of the handle 1 is provided with anti-slip patterns, which play an anti-slip and stable role when handling the handle 1 .

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some of the technical features can be equivalently replaced; and these modifications or substitutions do not deviate from the essence of the corresponding technical solutions from the spirit of the technical solutions of the various embodiments of the present invention. and scope.

Claims (7)

1. A dosing needle, comprising:

a handle (1) with a lumen (110) inside;

the needle heads (2) are respectively arranged at two ends of the handle (1), and the two needle heads (2) are communicated with the lumen (110);

a flexible sleeve (3) sleeved outside each needle (2); the inner ends of the two flexible sleeves (3) are respectively connected with the two ends of the handle (1), and the outer ends of the flexible sleeves (3) are closed.

2. A dosing needle according to claim 1, characterized in that the outer parts of the flexible sleeves (3) are respectively sleeved with a protective sleeve (4), the inner ends of the two protective sleeves (4) are respectively connected with the two ends of the handle (1), and the outer ends of the protective sleeves (4) are closed.

3. The dosing needle according to claim 2, characterized in that the two ends of the handle (1) are respectively provided with external threads, the inner walls of the inner ends of the protection sleeves (4) are respectively provided with internal threads, and the inner ends of the two protection sleeves (4) are respectively in threaded connection with the two ends of the handle (1).

4. A dosing needle according to claim 3, characterized in that the two ends of the handle (1) are provided with raised threaded seats (120), respectively, the interior of the threaded seats (120) being provided with hollow channels, which communicate with the lumen (110); the outer wall of the thread seat (120) is provided with external threads, and the inner ends of the two protection sleeves (4) are respectively in threaded connection with the two thread seats (120).

5. A dosing needle according to any of claims 1-4, characterized in that a filter screen is provided in the handle (1).

6. A needle according to claim 5, wherein the filter mesh is provided in two, each at both ends of the lumen (110).

7. A dosing needle according to any of claims 1-4, characterized in that the outer wall of the handle (1) is provided with anti-slip threads.