CN211157835U - Pre-filling type washing tube sealing syringe - Google Patents

Abstract

The utility model provides a pre-filled formula wash pipe tube sealing syringe, contains the syringe body, characterized by that which belongs to the technical field of medical instrument: also comprises a heparin tube sealing liquid sealing bag and a puncture head; saline solution for washing the tube is filled in the syringe of the syringe body close to the needle head, a cylindrical heparin tube sealing liquid sealing bag is filled between the saline solution in the syringe of the syringe body and the piston head of the syringe body, the diameter of the heparin tube sealing liquid sealing bag is correspondingly consistent with the inner diameter of the syringe body, heparin tube sealing liquid is filled in the heparin tube sealing liquid sealing bag, the volume of the heparin tube sealing liquid in the heparin tube sealing liquid sealing bag is 2-4ml, and the volume of the saline solution in the syringe of the syringe body is 10 ml; be equipped with the thorn head in the syringe body cylinder, the inside cavity of thorn head, the one end of thorn head is for being used for corresponding the sharp end of pricking heparin tube sealing liquid sealing bag the utility model discloses effectively solved the tradition and carried out the washing and seal a tub complex operation's problem through many syringes.

Description

A prefilled flushing tube sealing syringe

technical field

The utility model relates to the technical field of medical devices, in particular to a prefilled flushing tube sealing syringe.

Background technique

It is well known that the vascular indwelling pipeline is a medical device widely used in clinical practice. It is simple to operate, safe and convenient, not only solves the pain of repeated puncturing of patients, protects the blood vessels, but also reduces the nursing workload of nurses, and is suitable for elderly patients. Patients who require multiple injections, especially critically ill patients, who need multiple injections, such as children, and involuntary patients, can open the vascular channel for medication at any time to improve the success rate of rescue. Afterwards, it is necessary to use quasi-physiological fluid and heparin saline for flushing and sealing the tube to avoid the blockage of the vascular indwelling pipeline due to blood backflow and thrombosis during sealing. , requires nursing staff to carry two or more syringes for operation, and needs to use syringes to repeatedly connect catheter joints, the operation is cumbersome, and requires extremely skilled nursing staff to operate, otherwise it is easy to cause vascular indwelling pipeline pollution; in addition, clinical use of heparin The flushing solution is a mixed solution of heparin sodium or heparin calcium solution at a ratio of 10-100u/ml, and needs to be refrigerated for storage, which is extremely unstable. When using, the mixed solution needs to be taken out of the refrigerator, and the amount used is drawn with a 10ml syringe. , and then cover the needle protection cap and go to the operation. This process is easy to contaminate the liquid medicine, and greatly increases the probability of needle stick injuries of medical staff. This phenomenon needs to be solved urgently.

SUMMARY OF THE INVENTION

In order to overcome the deficiencies in the background technology, the utility model discloses a pre-filled flushing tube-sealing syringe.

In order to realize the above-mentioned purpose of the invention, the utility model adopts the following technical solutions:

A prefilled flushing tube sealing syringe, comprising a syringe body, a heparin tube sealing liquid sealing capsule and a thorn; the syringe body barrel is filled with saline solution for flushing near the needle end, and the syringe body barrel is filled with saline solution for flushing. A cylindrical heparin sealing solution is filled between the corresponding saline solution and the piston head of the syringe body, and the diameter of the heparin sealing solution corresponds to the inner diameter of the syringe body. The heparin sealing solution is filled with Heparin tube sealing solution; the barrel of the syringe body is provided with a thorn, the interior of the thorn is hollow, one end of the thorn is a sharp end for piercing the sealing capsule of the heparin tube sealing solution, and the other end is open, and the thorn is open. The open end of the syringe body is correspondingly connected with the end of the syringe body needle located in the syringe body barrel correspondingly, and the corresponding connection position of the thorn and the syringe body needle is provided with an opening that communicates the inner cavity of the syringe body barrel with the needle correspondingly, and the piston head of the syringe body corresponds to One end near the thorn is provided with a blind hole for corresponding insertion of the thorn; the open end of the needle of the syringe body is provided with a cover.

Preferably, the cover is correspondingly connected to the outer wall of the barrel of the syringe body through a flexible connector.

Preferably, the cover is connected with the needle end of the syringe body through threads.

Preferably, the push rod of the syringe body is a two-section split structure in which the head end and the tail end correspond to each other.

Preferably, the material of the heparin tube sealing liquid sealing capsule is medical rubber with contractile elasticity.

Preferably, the barrel of the syringe body is made of transparent material, and the outer wall of the barrel is evenly spaced along the length of the barrel with a plurality of identification lines.

Preferably, the heparin tube sealing solution in the heparin tube sealing solution sealing capsule is 2-4 ml, and the saline solution in the barrel of the syringe body is 10 ml.

Due to adopting the above-mentioned technical scheme, the utility model has the following beneficial effects:

The utility model discloses a pre-filled flushing tube-sealing syringe, which has the advantages of simple structure, easy assembly and low production cost. The other end is open at the sharp end corresponding to piercing the heparin sealing liquid sealing capsule, and the open end of the thorn is correspondingly connected with the end of the needle of the syringe body that is located in the barrel of the syringe body, and the thorn corresponds to the needle of the syringe body. The connection position is provided with an opening that communicates the inner cavity of the syringe body and the needle correspondingly, and the end of the syringe body piston head close to the thorn head is provided with a blind hole that enables the thorn head to be inserted correspondingly, that is, the syringe body piston can be close to the inside of the syringe body barrel. One end of the needle is in contact with each other, so that the saline solution and the heparin tube sealing solution can be completely squeezed out. It can rapidly shrink and discharge the heparin sealing solution at the instant of time, and the operation is simple and efficient;

The cover is correspondingly connected with the outer wall of the barrel of the syringe body through the flexible connector, that is, after the medical staff removes the cover, the cover is connected flexibly to the outer wall of the barrel of the syringe body through the flexible connector, which does not affect the needle of the syringe body and the outer wall of the barrel of the syringe body. Other corresponding parts are connected correspondingly, and at the same time, the cover will not fall off to generate small garbage, which is conducive to keeping clean and can prevent medical staff from falling off the cover due to misoperation; in addition, the push rods of the syringe body are the head end and the tail. The two-section split structure whose ends correspond to each other can be stored separately from the head end and the tail end of the plunger of the syringe body. The tail end of the rod is stored side by side with the barrel of the syringe body, which can effectively reduce the length of the syringe body and prevent the cover from being punched open due to accidental force on the push rod of the syringe body.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of thorn;

Figure 3 is a schematic structural diagram of a syringe body push rod.

In the figure: 1. Syringe body; 2. Heparin sealing solution sealing capsule; 3. Stab; 4. Saline solution; 5. Heparin sealing solution; 6. Opening; 7. Blind hole; 8. Cap; 9. Flexible connector; 10, head end; 11, tail end.

Detailed ways

The present utility model can be explained in detail through the following examples, and the purpose of disclosing the present utility model is to protect all technical improvements within the scope of the present utility model.

1 to 3, a prefilled flushing tube sealing syringe, the syringe body 1, also includes a heparin tube sealing liquid sealing capsule 2 and a thorn 3; The saline solution 4 for flushing the tube is filled with a cylindrical heparin tube sealing solution sealing capsule 2 between the corresponding saline solution 4 and the piston head of the syringe body 1 in the syringe body 1, and the diameter of the heparin tube sealing solution sealing capsule 2 is the same as that of the syringe. The inner diameter of the barrel of the main body 1 corresponds to the same, the heparin sealing fluid sealing bag 2 is filled with the heparin sealing fluid 5, and the heparin sealing fluid in the heparin sealing fluid sealing bag can be set to different volumes according to the length of different types of catheters. The heparin tube sealing solution 5 in the tube fluid sealing bag is 2-4ml, and the saline solution 4 in the syringe body 1 is 10ml; The concentration of liquid 5 is also different. If the patient uses the infusion port, the concentration of heparin sealing liquid 5 is 100u/ml, and if the patient uses other catheters, the concentration of heparin sealing liquid 5 is 0-10u/ml;

The syringe body 1 is provided with a thorn 3 in the barrel, and the thorn 3 is hollow inside. One end of the thorn 3 is a sharp end corresponding to piercing the heparin sealing liquid sealing capsule 2, and the other end is open, and the thorn 3 is open. The open end of 3 is in corresponding communication with the end of the needle of the syringe body 1 located in the barrel of the syringe body 1 correspondingly, and the corresponding connection position of the thorn 3 and the needle of the syringe body 1 is provided with a corresponding connection between the inner cavity of the barrel of the syringe body 1 and the needle. Opening 6, the end of the plunger head of the syringe body 1 close to the thorn head 3 is provided with a blind hole 7 that enables the thorn head 3 to be inserted correspondingly, that is, the plunger of the syringe body 1 can correspond to the end of the syringe body 1 barrel close to the needle head, so that the salt can be removed. The aqueous solution 4 and the heparin tube sealing liquid 5 are completely extruded; as required, the material of the heparin tube sealing liquid sealing capsule 2 is medical rubber with shrinkage elasticity, that is, the heparin tube sealing liquid sealing capsule 2 is pierced by the thorn 3. It can quickly shrink and discharge the heparin sealing solution 5 in an instant, the operation is simple and efficient;

The open end of the needle of the syringe body 1 is provided with a cover 8; as required, the cover 8 is correspondingly connected to the outer wall of the barrel of the syringe body 1 through a flexible connector 9, that is, after the medical staff pulls out the cover 8, the cover 8 is sealed. The cover 8 is correspondingly and flexibly connected to the outer wall of the syringe body 1 through the flexible connector 9, which does not affect the corresponding connection between the needle of the syringe body 1 and other corresponding components, and at the same time, the cover 8 will not fall off and generate small garbage, which is conducive to keeping clean, It can prevent the medical staff from falling off the cover 8 due to misoperation; the cover 8 is connected with the needle end of the syringe body 1 by threads, which can prevent the cover 8 from accidentally falling off, and the thread of the needle end of the syringe body 1 can be compatible with the existing The threaded conduit with the broken joint corresponds to the threaded connection, which can improve the stability of the connection and prevent accidental disconnection at the joint; in addition, the push rod of the syringe body 1 is a two-section split body in which the head end 10 and the tail end 11 correspond to each other. structure, during storage, the head end 10 of the push rod of the syringe body 1 can be stored separately from the tail end 11, even if the head end 10 of the push rod of the syringe body 1 is located in the barrel of the syringe body 1, the The tail end 11 is stored side by side with the barrel of the syringe body 1, which can effectively reduce the length of the syringe body 1, and at the same time can prevent the cover 8 from being punched open due to accidental force on the push rod of the syringe body 1; the syringe body 1 barrel It is a transparent material, and the outer wall of the syringe is evenly spaced along the length of the syringe with multiple marking lines, that is, when the medical staff performs the injection operation, they can compare the relative movement speed of the syringe body 1 piston and the corresponding marking line to judge the injection speed, and Determine how much to inject.

To implement the prefilled flushing tube sealing syringe of the present invention, before use, medical staff need to judge whether the corresponding patient is suitable for heparin liquid sealing tube. Usually, the heparin liquid sealing tube is suitable for infusion port, PowerPICC catheter, CVC catheter, etc. For the subclavian venous catheter and the femoral venous catheter, the medical staff first opens the cover 8 to make the needle end of the syringe body 1 communicate with the corresponding catheter, and then push the push rod of the syringe body 1 to start injecting the saline solution into the corresponding catheter. 4. Judge whether it is necessary to inject heparin tube sealing solution 5. If injection is required, continue to push the push rod of the syringe body 1, and pierce the heparin tube sealing solution sealing capsule 2 through the sharp end of the thorn 3, and then send the corresponding The heparin tube sealing solution 5 is injected into the catheter. If the injection of the heparin tube sealing solution 5 is not required, after the injection of the saline solution 4, the rest of the duties are discarded, and the operation is simple and efficient.

The part not described in detail in this utility model is the prior art.

Claims (7)

1. A prefilled flushing tube sealing syringe, a syringe body (1), characterized in that: further comprising a heparin tube sealing liquid sealing capsule (2) and a thorn (3); the syringe body (1) syringe barrel The saline solution (4) for flushing is filled with the saline solution (4) near the end of the needle, and a cylindrical heparin sealing solution is filled between the syringe body (1) corresponding to the saline solution (4) and the piston head of the injector body (1) to seal the tube. The diameter of the heparin tube sealing solution sealing capsule (2) corresponds to the inner diameter of the syringe body (1), and the heparin tube sealing solution sealing capsule (2) is filled with the heparin tube sealing solution (5); The syringe body (1) is provided with a thorn (3) in the barrel, the thorn (3) is hollow inside, and one end of the thorn (3) is a sharp end for correspondingly piercing the heparin sealing fluid sealing capsule (2). , the other end is open, the open end of the thorn (3) is in correspondence with the end of the needle of the syringe body (1) located in the barrel of the syringe body (1) correspondingly, and the thorn (3) is connected to the syringe body (1) The corresponding connection position of the needle is provided with an opening (6) that communicates the inner cavity of the syringe body (1) with the needle correspondingly, and one end of the plunger head of the syringe body (1) close to the thorn (3) is provided with an opening (6) that enables the thorn (3) to correspond to The blind hole (7) for insertion; the open end of the needle of the syringe body (1) is provided with a cover (8). 2 . The prefilled flushing tube sealing syringe according to claim 1 , wherein the cover ( 8 ) is correspondingly connected to the outer wall of the barrel of the syringe body ( 1 ) through a flexible connecting piece ( 9 ). 3 . 3 . The prefilled flushing tube sealing syringe according to claim 1 , wherein the sealing cover ( 8 ) is connected with the needle end of the syringe body ( 1 ) through threads. 4 . 4. The prefilled flushing tube sealing syringe according to claim 1, characterized in that: the push rod of the syringe body (1) is a two-stage type in which the head end (10) and the tail end (11) correspond to each other. Split structure. 5 . The prefilled flushing tube sealing syringe according to claim 1 , wherein the material of the heparin tube sealing liquid sealing capsule ( 2 ) is medical rubber with shrinkage elasticity. 6 . 6 . The prefilled flushing tube sealing syringe according to claim 1 , wherein the syringe body (1) has a barrel made of transparent material, and the outer wall of the syringe barrel is evenly spaced along the length direction of the syringe barrel. 7 . identification line. 7. The prefilled flushing tube sealing syringe according to claim 1, characterized in that: the heparin tube sealing liquid (5) in the heparin tube sealing liquid sealing capsule (2) is 2-4 ml, and the syringe body ( 1) The saline solution in the syringe is 10ml.

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