JPH0663051U - Medical device with needle cover - Google Patents

Abstract

(57) [Abstract] [Purpose] Accident in which a worker who accidentally sticks a needle in contact with a patient's blood after injecting a drug solution into the patient or collecting blood from the patient in a medical device having a needle To a medical device with a needle cover capable of preventing An injection needle including a needle tube and a needle base, a needle cover having a slit in the abdomen, a needle cover member having a connecting portion formed behind the needle cover and the needle cover, and a needle base connecting portion in the front. A medical device with a needle cover, which is formed of a connector having a side portion and a connecting portion with the needle cover member. [Effect] Since the needle tube 6 can be housed in the needle cover 8 by rotating the needle cover 8 in the direction of the needle tube 6 around the pin 9, the needle tube 6 that comes into contact with the blood of the patient can be handled by the operator. It is possible to surely prevent an accident of piercing.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 INDUSTRIAL APPLICABILITY The present invention is a medical device having a needle, which can prevent accidental accidental sticking of an operator by a needle that comes into contact with the patient's blood after injecting a drug solution into the patient or collecting blood from the patient. The present invention relates to improvement of a medical device with a needle cover.

As a medical device with a needle cover, it is configured in Japanese Patent Publication No. 4-74028 by a syringe having a needle attached to the tip and a needle cover attached to the outer periphery of the syringe. The protrusion and the hole are provided on each member. It is disclosed that the needle is housed in the needle cover by a spring action so that the needle is not exposed again.

However, since the medical device with a needle cover allows the projection and the hole to be engaged with each other by a spring action, the syringe and the needle cover are not stably fixed all the time, and, for example, when some kind of external impact is applied. It is expected that the protrusion and the hole will be disengaged, the needle will be exposed again, and the operator's hand will be accidentally pierced.

In Japanese Patent Laid-Open No. 3-63066, a needle cover is slidably mounted on a needle housing equipped with a needle cap, the needle cover is slid forward, and the needles are stored in the needle cover. There is disclosed a medical device with a needle cover that locks a hole and a protrusion provided in the member. However, since this medical device has both a needle cap and a needle cover, the number of parts is large and the structure is complicated, resulting in high cost. In addition, the same accidents as the above-mentioned medical devices are expected to occur. Therefore, the inventor of the present invention has made extensive studies to solve the above problems, and has arrived at the next inventor.

[0005]

[Means for Solving the Problems]

 [1] The present invention is an injection needle composed of a needle tube and a needle base, a needle cover having a slit in the abdomen, a needle cover member having a connecting portion formed behind the needle cover and the needle cover, and a needle in front of the needle cover member. There is provided a medical device with a needle cover, which comprises a connector having a base connection portion and a side portion formed with a connection portion with the needle cover member.

[2] The present invention provides a medical device with a needle cover, which comprises each member described in [1] and a sealing member composed of a syringe and a piston, and a connector connection portion is formed at the tip of the syringe. .

[0007]

【Example】

 FIG. 1 is an exploded view of a medical instrument 1 with a needle cover of the present invention (hereinafter referred to as medical instrument 1). The medical device 1 includes an injection needle 2 including a needle tube 5 and a needle base 6, a needle cover 8 having a slit 12 formed in the middle abdomen, a needle cover member 3 having a connecting portion 11 formed behind the needle cover 8, and a needle in front. The connector 7 has a base connecting portion 10 and a connecting portion 16 formed on the side portion to connect with the needle cover member 3.

If necessary, each member may be provided with a syringe member 4 including a piston 14 and a syringe 14 having a connector connecting portion 13 formed at the tip thereof.

The needle cover member 3 and the connector 7 are shown in FIGS. 2 to 4 (FIG. 2 is a schematic view showing the connection state of the needle cover member 3 and the connector 7, FIG. 3 is a view taken in the direction of arrow A in FIG. 2, and FIG. As shown in FIG. 2 (exploded view of arrow B), the respective connecting portions 11 and 16 are engaged with each other, and the pin 9 is tacked to the engaging portion, so that the needle cover member 3 is centered around the pin 9. It is mounted so that it can rotate. The needle cover member 3 can be rotated 180 degrees as shown in FIG.

In use, the needle base 6 of the injection needle 2, the needle base connection portion 10 of the connector 7 and the connector connection portion 14 of the syringe 14 are connected, and the needle tube 6 is punctured into the patient to inject a drug solution, and then the needle tube 6 is inserted. By pulling out and rotating the needle cover 8 in the direction of the needle tube 6, the needle tube 6 can be stored in the needle cover 8 via the slit 12. As a result, the needle tube 6 is securely housed in the needle cover 8 after use, so that it is possible to prevent the needle tube 6 that comes into contact with the blood of the patient from piercing the operator's hand.

In the above usage example, the case where the syringe member 4 is used has been described, but a catheter needle may be used instead of the syringe member 4. In this case, since the needle tube 5 is an indwelling needle, one made of synthetic resin is used.

[0012]

[Function and effect of the device]

 (1) The needle tube 6 can be housed in the needle cover 8 by rotating the needle cover 8 around the pin 9 in the direction of the needle tube 6, so that the needle tube 6 that comes into contact with the patient's blood can be handled by the operator. It is possible to surely prevent an accident of piercing. (2) After the needle tube 6 is housed in the needle cover 8, the needle tube 6 is not exposed unless the needle cover 8 is pushed up in the direction opposite to the slit 12, so that the needle tube 6 is not exposed even when it is impacted from the outside like a conventional medical device. The needle cover 8 does not come off and the needle tube 6 is not exposed. (3) Since the needle cover 8 can store the needle tube 6 before and after use (capped on the needle tube 6), it is not necessary to separately provide a needle cap and a needle cover unlike the conventional medical device, and the number of parts is reduced. Therefore, the cost can be reduced.

[Brief description of drawings]

FIG. 1 is an exploded view of a medical device with a needle cover according to the present invention.

FIG. 2 is a schematic view of a needle cover member.

FIG. 3 is a view on arrow A of FIG.

FIG. 4 is an exploded view of the B arrow view of FIG.

FIG. 5 is a use state diagram of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Medical device 2 Injection needle 3 Needle cover member 4 Syringe member 5 Needle tube 6 Needle base 7 Connector 8 Needle cover 9 pin 10 Needle base connection part 11 Connection part 12 Slit 13 Connector connection part 14 Syringe 15 Piston 16 Connection part

Claims (2)

[Scope of utility model registration request] 1. An injection needle comprising a needle tube and a needle base, a needle cover having a slit in the middle abdomen, a needle cover and a needle cover member having a connecting portion at the rear of the needle cover, and a needle base connection at the front. A medical device with a needle cover, comprising a connector having a side portion and a side portion formed with a connecting portion with the needle cover member. 2. A medical instrument with a needle cover, comprising the member according to claim 1 and a syringe member composed of a syringe and a piston, wherein a connector connection portion is formed at the tip of the syringe.