CN211357166U - Safe type infusion port does not have harm needle - Google Patents

Abstract

The utility model discloses a safe type transfusion harbor nondestructive needle, which comprises a transfusion harbor body, wherein the transfusion harbor body is buried under skin tissues, a hollow disc is arranged above the transfusion harbor body, mounting seats are respectively welded on two sides of the top of the hollow disc, an elastic structure is arranged at the top of each mounting seat and used for providing elasticity during needle lifting, and a fixed disc is arranged above each elastic structure; this safe type infusion port does not have damage needle, through the infusion port body, the cavity disc, the mount pad, elastic construction, the fixed disk, protective structure, harmless needle body and limit structure's setting, it is great to have solved the dynamics that present clinical use's not damaged needle needs when pulling out the needle, scratch nurse's hand very easily, cause certain damage to the nurse, seriously influence its occupational safety's problem, this safe type infusion port does not have the damage needle, possess and conveniently play the needle, and can avoid pulling out the great advantage of needle range, be worth promoting.

Description

A safe type of non-destructive needle for infusion port

technical field

The utility model relates to the technical field of medical supplies, in particular to a non-destructive needle for a safe infusion port.

Background technique

Most tumor patients need chemotherapy, and the infusion of chemotherapy drugs is through central venous catheters such as infusion ports or PICCs. At present, infusion ports are widely used in clinical operations because they are convenient to carry and do not affect the daily life of patients. When using the infusion port, it is necessary to insert a non-invasive needle and connect it to the port base to achieve the purpose of infusion. When the infusion is completed, pull out the non-invasive needle.

The utility model patent CN206534948U discloses a safe type infusion port butterfly wing non-damage needle. By adding a reversible sheath, the sheath is fastened behind the needle seat during use, so that the steel needle is hidden in the card. In the groove, to achieve a protective effect, but it still cannot solve the problem of medical exposure and infection during the process of pulling out the needle without damage from the port. .

Therefore, it is necessary to propose a safe infusion port non-destructive needle, so as to realize the quick operation of needle-free needle extraction.

Utility model content

In view of the deficiencies of the prior art, the purpose of the present utility model is to provide a safe type infusion port non-destructive needle, in order to solve the problem that the non-damage needle proposed in the above-mentioned background technology is difficult to operate when pulled out from the port seat, and there is a problem of being damaged by the needle. The issue of stab risk.

To achieve the above object, the utility model provides the following technical solutions:

A non-destructive needle for a safe infusion port, comprising an infusion port body, the infusion port body is buried under skin tissue, and a hollow disc is arranged above the infusion port body, and both sides of the top of the hollow disc are welded with mounting brackets. The top of the mounting seat is provided with an elastic structure, the elastic structure is used to provide the elastic force when the needle is raised, a fixed disk is provided above the elastic structure, and a protective structure is provided at the center of the top of the hollow disk , the top of the fixed plate is provided with a non-destructive needle body, the non-destructive needle body is used for the needle insertion operation, and both sides of the top of the fixed plate are provided with limiting structures.

Preferably, the infusion port body includes an injection seat and a catheter, the catheter is installed at the bottom of the right side of the injection seat, and the end of the catheter penetrates to the inner side of the blood vessel.

Preferably, the elastic structure includes a vertical rod, a slot, a compression spring and a limit block, the bottom end of the vertical rod is fixedly connected with the mounting seat, and the top end of the vertical rod penetrates to the top of the fixed plate and is connected with the limiter The position blocks are fixedly connected, the clamping slot is provided on the surface of the vertical rod, and the compression spring is sleeved on the outer side of the vertical rod.

Preferably, the protective structure includes a protective cover and a protective lining, the protective cover is fixedly connected to the top of the hollow disc, and the notch on the top of the protective cover is on the same axis as the through hole on the surface of the hollow disc, the The protective lining is bonded to the inner wall of the shield.

Preferably, the non-destructive needle body includes a butterfly wing seat, an injection needle, an infusion tube and a stop clip, the butterfly wing seat is fixedly connected to the top of the fixing plate, and the injection needle is installed at the bottom of the butterfly wing seat and penetrates to the Below the fixing plate, the infusion tube passes through the butterfly wing seat and communicates with the top of the injection needle, and the flow stop clip is located on the surface of the infusion tube.

Preferably, the limiting structure includes a pressing piece, a rotating shaft, a clamping piece, a fixing plate and a tension spring, the pressing piece, the rotating shaft and the clamping piece are fixedly connected, and the rotating shaft is rotatably connected to the surface of the fixed plate, The fixing plate is fixedly connected to the rear of the top of the fixing plate, and the tension spring is fixedly connected to the surface of the fixing plate and the clamping piece.

Compared with the prior art, the utility model provides a non-destructive needle for a safe infusion port, which has the following beneficial effects:

The utility model solves the problems that the non-damaged needles currently used in clinical use need greater force and difficulty in operation through the arrangement of the mounting seat, the elastic structure, the fixing plate and the limiting structure; The medical staff is at risk of being stabbed by the needle during the process of pulling out the non-invasive needle from the port, and the operation method is simple, which improves the work efficiency.

Description of drawings

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

Fig. 2 is the structural top view of the utility model fixed plate;

FIG. 3 is a schematic perspective view of the structure of the fixing plate of the present invention.

In the picture: 1 infusion port body, 11 injection seat, 12 catheter, 2 hollow disc, 3 mounting seat, 4 elastic structure, 41 vertical rod, 42 card slot, 43 compression spring, 44 limit block, 5 fixed plate, 6 Protective structure, 61 protective cover, 62 protective lining, 7 non-destructive needle body, 71 butterfly wing seat, 72 injection needle, 73 infusion tube, 74 stop clip, 8 limit structure, 81 pressing piece, 82 rotating shaft, 83 clamping Sheet, 84 fixed plate, 85 tension spring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Fig. 1, Fig. 2 and Fig. 3, a safety type infusion port non-destructive needle, including an infusion port body 1, the infusion port body 1 is buried under the skin tissue, and a hollow disc is arranged above the infusion port body 1 2. Both sides of the top of the hollow disc 2 are welded with a mounting seat 3, the top of the mounting seat 3 is provided with an elastic structure 4, the elastic structure 4 is used to provide the elastic force when the needle is raised, and a fixed plate 5 is arranged above the elastic structure 4 , the central position of the top of the hollow disc 2 is provided with a protective structure 6, the top of the fixed disc 5 is provided with a non-destructive needle body 7, and the non-destructive needle body 7 is used for the needle sticking operation, and both sides of the top of the fixed disc 5 are provided with a limiting structure 8 .

Please refer to FIG. 1 , the infusion port body 1 includes an injection seat 11 and a catheter 12 , the catheter 12 is installed at the bottom of the right side of the injection seat 11 , and the end of the catheter 12 penetrates to the inner side of the blood vessel, and they have been pre-embedded during the operation Under the skin, this is the technology at hand.

Please refer to FIG. 1 and FIG. 3 , the elastic structure 4 includes a vertical rod 41 , a slot 42 , a compression spring 43 and a limit block 44 , and the bottom end of the vertical rod 41 is fixedly connected with the mounting seat 3 , and the vertical rod 41 The top end penetrates to the top of the fixed plate 5 and is fixedly connected with the limit block 44. The card slot 42 is opened on the surface of the vertical rod 41, and the compression spring 43 is sleeved on the outer side of the vertical rod 41. Provides elastic force, does not spend a lot of pulling force when pulling the needle, reduces the movement range of the needle, and improves the safety of the nurse's operation.

Please refer to FIG. 1 , the protective structure 6 includes a protective cover 61 and a protective inner lining 62 . The protective cover 61 is fixedly connected to the top of the hollow disk 2 , and the notch on the top of the protective cover 61 is connected with the through hole on the surface of the hollow disk 2 . On the same axis, the protective lining 62 is bonded to the inner wall of the protective cover 61, and they are used to protect the bottom end of the injection needle 72. At the same time, when the needle is punctured, the inner wall of the protective cover 61 will contact the skin surface due to the buried injection seat. 11 and the raised part, the protective lining 62 can fit the part of the skin to avoid discomfort when the patient is transfused.

Please refer to FIGS. 1 and 2 , the non-destructive needle body 7 includes a butterfly wing seat 71, an injection needle 72, an infusion tube 73 and a stop clip 74. The butterfly wing seat 71 is fixedly connected to the top of the fixing plate 5, and the injection needle 72 is installed At the bottom of the butterfly wing seat 71 and penetrate to the bottom of the fixed plate 5, the infusion tube 73 penetrates the butterfly wing seat 71 and communicates with the top of the injection needle 72, and the stop clip 74 is located on the surface of the infusion tube 73, and they are used for infusion operation. , the stop clip 74 is a common hospital supplies.

Referring to FIG. 2 , the limiting structure 8 includes a pressing piece 81 , a rotating shaft 82 , a clamping piece 83 , a fixing plate 84 and a tension spring 85 , and the pressing piece 81 , the rotating shaft 82 and the clamping piece 83 are fixedly connected, and The shaft 82 is rotatably connected to the surface of the fixed plate 5, the fixed plate 84 is fixedly connected to the rear of the top of the fixed plate 5, and the tension spring 85 is fixedly connected to the surface of the fixed plate 84 and the clamping piece 83, which can be adjusted manually, saving labor and The operation is convenient, and the elastic structure 4 cooperates with each other to avoid the operation of pulling the needle upward.

Working principle: When infusion is needed, squeeze between the hollow disc 2 and the fixed disc 5 by hand, so that the compression spring 43 is squeezed, and at the same time, the vertical rod 41 moves upward relative to the fixed disc 5 until the slot 42 is exposed. At the top of the fixed plate 5 , at this time, the clamping piece 83 will be pulled to the inner side of the clamping slot 42 to limit the position of the upright rod 41 due to the pulling force of the tension spring 85 , and the injection needle 72 is also relatively moved to the hollow disc 2 . Below, the needle puncturing operation is started, so that the bottom end of the injection needle 72 can be inserted into the injection seat 11 inside the skin; after the injection is completed, pinch the stop clip 74 to intercept the liquid inside the infusion tube 73, and then two Fingers pinch the pressing pieces 81 on both sides and apply force. The pressing pieces 81 drive the clamping pieces 83 to rotate around the rotating shaft 82 until the clamping pieces 83 leave the slot 42. At this time, the limit of the vertical rod 41 disappears. The reaction force will drive the upper fixed plate 5 and the non-destructive needle body 7 to move upward, the injection needle 72 will be detached from the inner side of the injection seat 11, and the needle raising operation will be completed until the stopper 44 is in contact with the surface of the fixed plate 5, and then released It is sufficient to press the sheet 81 .

To sum up, the present utility model solves the problems that the non-damaged needles currently used in clinical use require greater strength and are difficult to operate through the installation of the mounting seat, the elastic structure, the fixing plate and the limiting structure; The arrangement of the structure reduces the risk of needle stick injuries during the process of pulling out the harmless needle from the port seat, and the operation method is simple, which improves the work efficiency.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a harmless needle in safe type infusion port, includes the infusion port body (1), its characterized in that: the infusion port body (1) is buried under skin tissue, and the top of the infusion port body (1) is provided with cavity disc (2), the equal butt fusion in both sides at cavity disc (2) top has mount pad (3), the top of mount pad (3) is provided with elastic structure (4), elastic structure (4) are used for providing elasticity when raising the needle, the top of elastic structure (4) is provided with fixed disk (5), the central point at cavity disc (2) top puts and is provided with protective structure (6), the top of fixed disk (5) is provided with harmless needle body (7), harmless needle body (7) are used for carrying out the operation of pricking the needle, the both sides at fixed disk (5) top all are provided with limit structure (8).

2. The safety type non-destructive needle for an infusion port as set forth in claim 1, wherein: the transfusion port body (1) comprises an injection seat (11) and a catheter (12), wherein the catheter (12) is installed at the bottom of the right side of the injection seat (11), and the tail end of the catheter (12) penetrates through the inner side of a blood vessel.

3. The safety type non-destructive needle for an infusion port as set forth in claim 1, wherein: elasticity structure (4) include pole setting (41), draw-in groove (42), compression spring (43) and stopper (44), fixed connection between the bottom of pole setting (41) and mount pad (3), and the top of pole setting (41) run through to the top of fixed disk (5) and with stopper (44) between fixed connection, the surface in pole setting (41) is seted up in draw-in groove (42), compression spring (43) cover is established in the outside of pole setting (41).

4. The safety type non-destructive needle for an infusion port as set forth in claim 1, wherein: protective structure (6) include protection casing (61) and protection inside lining (62), protection casing (61) fixed connection is at the top of cavity disc (2), and the notch at protection casing (61) top and the through-hole on cavity disc (2) surface are in same axis, protection inside lining (62) bond at the inner wall of protection casing (61).

5. The safety type non-destructive needle for an infusion port as set forth in claim 1, wherein: harmless needle body (7) include butterfly wing seat (71), syringe needle (72), transfer line (73) and end and flow clamp (74), butterfly wing seat (71) fixed connection is at the top of fixed disk (5), the bottom at butterfly wing seat (71) is installed and is run through to the below of fixed disk (5) in syringe needle (72), transfer line (73) run through butterfly wing seat (71) and communicate with the top of syringe needle (72), end and flow clamp (74) are located the surface of transfer line (73).

6. The safety type non-destructive needle for an infusion port as set forth in claim 1, wherein: limiting structure (8) are including pressing piece (81), pivot (82), centre gripping piece (83), fixed plate (84) and extension spring (85), fixed connection between pressing piece (81), pivot (82) and centre gripping piece (83), and pivot (82) are connected with the surface rotation of fixed disk (5), fixed plate (84) fixed connection is in the rear at fixed disk (5) top, extension spring (85) fixed connection is on the surface of fixed plate (84) and centre gripping piece (83).

Images