CN205515767U

CN205515767U - TCH syringe

Info

Publication number: CN205515767U
Application number: CN201620085713.7U
Authority: CN
Inventors: 陈懋豪; 张翰月
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-28
Filing date: 2016-01-28
Publication date: 2016-08-31
Anticipated expiration: 2026-01-28

Abstract

The utility model relates to a TCH syringe, constitute including an empty section of thick bamboo and piston, an empty section of thick bamboo is the major structure of syringe, has set shaft type structure, the piston promotes the liquid medicine to carry out the structure of injecting, the piston combines to form compressible cavity with an empty section of thick bamboo together and is used for storing the liquid medicine, and the piston rear end has connected gradually piston axle and piston handle, the terminal surface of piston handle is bellied cambered surface. The utility model discloses a TCH syringe's piston handle has protruding arc end face, like sphere, ellipsoid surface structure, nurse's the big thenar of hand is just put herein, has improved the travelling comfort, is convenient for press the application of force, avoids nurse's hand to receive the injury.

Description

TCH Syringe

Technical field

The utility model relates to a kind of venous transfusion medicine equipment, and (The convex handle projection handle is syringe or the convex surface handle type syringe (including a kind of syringe type catheter flusher) of a kind of TCH handle to particularly TCH syringe.This TCH syringe is applicable to the empty needle of 1ml, 2.5ml, 5ml, 10ml, 20ml, 30ml and 50ml model and all pre-rushes formula catheter flusher.

Background technology

Prior art scenario, the defect of prior art or deficiency:

Along with the progress of medical technology, the sense of self-protection of people strengthens, and early diagnosis, the patient of early treatment increase, and transfusion, patient subcutaneous, intramuscular injection increase.PICC(Peripherally Inserted Central Catheter, peripherally inserted central catheter), CVC, the application of the infusion set such as remaining needle more and more extensive, therapeutic process for extensive patients provides a great convenience so that medical treatment and nursing level is greatly improved, and the health of patient is ensured.Meanwhile, in the prolonged application of the infusion sets such as PICC, CVC, remaining needle, many negative issues are also occurred in that.

There are two big unfavorable factors in currently used traditional syringe: the wing of (1) syringe is little, has some lines, and uneven, nurse operation is uncomfortable.(2) syringe piston is that a simple plane adds rough, and periphery has corner angle, and the hand of nurse is vulnerable to injury.

All patients are before transfusion, terminate with transfusion between two kinds of incompatible medicines to be required for afterwards using syringe class medical apparatus (especially with rushing formula catheter flusher in advance), add the workload of nurse, current syringe is because of simple in construction, the wing of syringe is little, has some lines, uneven, the piston also having syringe is exactly a simple plane, and periphery has corner angle.Particularly root 2014.5.1 defends the venous transfusion professional standard that planning commission promulgates: require that nurse must use pulsed washing pipe when venous transfusion rushes tube sealing, strong.It is very easy to nurse operation palm is caused unexpected injury.

Utility model content

The purpose of this utility model is to overcome the syringe of prior art to use inconvenience present in operating process, and nurse operation amount is big, uncomfortable, the problem easily causing unexpected injury, it is provided that a kind of TCH syringe (include pre-rush formula catheter flusher).It is particularly preferred that the convex surface handle that this TCH syringe has is spherical end surface or elliposoidal end face.Syringe of the present utility model, it is possible to significantly improve comfortableness during nurse operation, and reduce the risk that the hand to nurse damages.

In order to realize foregoing invention purpose, the invention provides techniques below scheme:

TCH syringe, forms including sky cylinder and piston.Described empty cylinder is the agent structure of syringe, has the structure of sleeve shaped.Described piston is to promote liquid to carry out the structure injected, described piston and empty cylinder to be combined together to form compressible cavity for storing liquid.Piston rear end is sequentially connected with piston shaft and piston handle.The surface of described piston handle end is protruding arcwall face.Such as sphere or ellipsoid.Described TCH syringe includes pre-rushing formula catheter flusher.

The utility model TCH syringe piston handle is protruding cambered surface away from the surface, end, one end of empty cylinder, the most spherical or the surface of elliposoidal, can coordinate with medical personnel's hand muscle of thenar, medical personnel promote the cavity between piston compression piston and empty cylinder by muscle of thenar pressing piston end, realizing the propelling movement of liquid, when reducing medical personnel's thumb or palm propelling movement piston, hand is pressed against feel by piston rear end sharp corners.Simultaneously according to country's venous transfusion Industry code requirements: pulsed washing pipe, the dynamics using hand muscle of thenar to inject is better than thumb, and developing result is good, and comfortableness is good, the hand avoiding nurse comes to harm, and facilitates medical personnel to apply large force when using TCH syringe.

Further, having the sky cylinder wing in the rear end of empty cylinder, the described empty cylinder wing is the part that auxiliary grips.The described empty cylinder wing is the edge of a wing concave surface to the bending of empty cylinder front end.The rear end of described empty cylinder refers to that sky cylinder connects one end of opening (i.e. connector), and rear end is inserted empty cylinder from corresponding opening and formed fit structure.

The empty cylinder of TCH syringe of the present utility model has the concave surface sky cylinder wing, makes the gripping sky cylinder part that nursing staff when in use can be convenient, and ensures the stability during gripping, and carries out syringe wash process by piston applies bigger strength.Further, the described empty cylinder wing is the wings of crescent bending, it is possible to coordinate convenient gripping with finger.

Preferably, empty cylinder flapwise sky drum outer wall stretches out length more than digit.Specifically, the 8 ~ 30mm extended outside empty cylinder flapwise, as selected 10mm, 15mm, 20mm, 25mm.Outside empty cylinder flapwise, development length is suitable, and more convenient finger is puted forth effort.

As preferred version of the present utility model, the described empty cylinder wing primarily serves the effect helping medical personnel to grip, and arranges the empty cylinder wing of warp architecture and medical personnel's finger can be facilitated to catch on the sky cylinder wing realize holding.

As preferred version of the present utility model, the described empty cylinder wing has two.General medical personnel are middle finger gripping the empty cylinder wing when and the third finger refers to the empty cylinder of abdomen clamping, arranging two empty cylinder wings can facilitate double finger to clamp the empty cylinder wing, improve clamping stability, facilitate medical personnel to apply bigger strength when using syringe type catheter flusher and be rinsed.

Preferably, the described empty cylinder wing has two, and two empty cylinder wings are arranged on the both sides of sky cylinder, structure more conforms to base of principle of human engineering, during clamping empty cylinder, middle finger and nameless finger abdomen are just put on the sky cylinder wing, and clamping comfortableness is higher, and medical personnel's operational error rate is lower.

As preferred version of the present utility model, the rear end of empty cylinder is reinforced structure, and more adjacent empty barrel is thicker, is in use unlikely to deform.

Further, TCH syringe of the present utility model is applicable to the empty needle of 1ml, 2.5ml, 5ml, 10ml, 20ml, 30ml and 50ml model and all pre-rushes formula catheter flusher.The TCH syringe of different capabilities size can be designed to according to actual medical need of work.

Further, described piston shaft has star section, and material usage is few, and structural stability is good.Preferably, piston shaft is resin material, easily processes, and low cost is more beneficial for utilization and extention.

In sum, due toHave employed technique scheme, the beneficial effects of the utility model are:

The piston handle end of TCH syringe the most of the present utility model is protrusion arc face.Such as sphere, ellipsoid structure, the hand muscle of thenar of nurse is just put in this, improves comfortableness, without pressing against feel, it is simple to pressing force, it is to avoid the hand of nurse comes to harm.At present the piston of syringe is that a simple plane adds rough, and the when of pressing force, edge produces for palm and strong presses against feel, affect nurse's force during use syringe/flusher.

The empty cylinder of TCH syringe the most of the present utility model, has the concave surface sky cylinder wing, and the middle finger of nurse and nameless finger abdomen realization preferably clamping can be coordinated stable, compared to existing syringe, the empty cylinder wing is bigger, and comfortableness is more preferable, and convenient operation and stability highlight.

Accompanying drawing explanation

Fig. 1 is one of structural representation of the present utility model.

Fig. 2 is the two of structural representation of the present utility model.

Figure marks: 1-sky cylinder, 101-connector, 102-sky cylinder front portion, 103-sky cylinder rear portion, 104-sky tube rear end, the 105-sky cylinder wing, 2-piston, 201-piston shaft, 202-piston handle.

Detailed description of the invention

Below in conjunction with the accompanying drawings, the utility model is described in detail.

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the utility model, is not used to limit the utility model.

Embodiment 1

TCH syringe as shown in Figure 1, is made up of empty cylinder 1 and piston 2.Forming tube-in-tube structure in the front portion 101 of empty cylinder 1 and empty cylinder rear portion 103, be wherein connector 101 in empty cylinder front end, be attached with syringe needle, delivery device, it is designed with connection lines during using, auxiliary improves and connects close fit degree.Certainly, connector 101 can be variable-diameter structure, during use and syringe needle or delivery device are isobaric closely closes.Rear portion 103 end of described empty cylinder 1 is sky tube rear end 104, empty tube rear end can be reinforced structure (can not certainly make intensive treatment), empty tube rear end is after intensive treatment, the other parts of the more empty cylinder of thickness 1 are more abundant, it is unlikely to deform after empty tube rear end 104 strengthening, especially during medical personnel use, empty cylinder and piston can preferably be kept shape when of applying active force.Described piston 2 connects piston shaft 201 and piston handle 202, by promoting piston handle 202 to make piston to empty cylinder 1 internal compression, makes the liquid in sky cylinder export from connector 101.Being provided with the two lobe sky cylinder wings 105 on empty tube rear end 104, the empty cylinder wing 105 is in crescent, and the two lobe sky cylinder wings 105 are distributed in the both sides of sky cylinder 1.When nurse uses this device, middle finger and nameless finger abdomen are just put in the sky cylinder wing 105 concave side, it is achieved clamping, coordinate hand muscle of thenar can push piston 2 easily.

Being the TCH syringe of another exemplary construction shown in Fig. 2, this TCH syringe general structure is identical with Fig. 1, and the most empty cylinder 1 shape is short and fat, and in the case of accommodating identical liquid, structure is shorter, and more convenient medical personnel operate.The convex curved surface 202 of piston 2 end is mellow and full shape, is shaped like sphere or ellipsoid, and nurse is more prone to pressing piston end propelling movement piston when.The utility model is a kind of TCH handle (The convex handle) syringe with protruding spherical end surface/elliposoidal end face.Piston shaft 201 is resin material simultaneously, is criss-cross for cross section, and material usage is few, and structural stability is good.And in the TCH syringe shown in Fig. 2, connector 101 has connection lines, and it is screw thread, spread groove can improve connector and syringe needle, the joint efficiency of infusion set and be connected quality, prevents the accident of landing from occurring.

TCH syringe application forecast of the present utility model: this TCH syringe is applicable to the empty needle of 1ml, 2.5ml, 5ml, 10ml, 20ml, 30ml and 50ml model and all pre-rushes formula catheter flusher.

As a example by general Grade A hospital situation, average each Grade A hospital inpatient nearly 5000 people, wherein the inpatient of more than 90% needs venous transfusion, each transfusion outpatient vein dosing, generally 2～10 groups of medicines, these patient's venous transfusion instruments are respectively remaining needle simultaneously, PICC, CVC and transfusion port, before these venous transfusion instruments are whether infused, afterwards and it is required to injector canal between two kinds of medicines, namely have every day and need to use TCH syringe (rushing formula catheter flusher in advance) close to 4000 patients, each patient at least needs 10 secondary above empty needles (syringe).In state-owned up to ten thousand hospitals, a large amount of patients need to cook venous transfusion, intravenous injection, skin test and injection.Wide market.The year usage amount of estimation TCH syringe can reach the scale of hundred billion accordingly, and profitability is up to several hundred million units.

The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.

Claims

1.TCH syringe, forms including sky cylinder and piston；

Described empty cylinder is the agent structure of syringe, has the structure of sleeve shaped；

Described piston is to promote liquid to carry out the structure injected, described piston and empty cylinder to be combined together to form compressible cavity for storing liquid；

It is characterized in that, piston rear end is connected with piston shaft and piston handle in turn；The surface of described piston handle end is protruding cambered surface；

Have the sky cylinder wing in the rear end of empty cylinder, the described empty cylinder wing is the part that auxiliary grips；

The described empty cylinder wing is the edge of a wing concave surface to the bending of empty cylinder front end；

Described TCH syringe is the injector mechanism for rushing formula catheter flusher in advance.

TCH syringe the most according to claim 1, it is characterised in that described piston handle end is sphere or ellipsoid.

TCH syringe the most according to claim 1, it is characterised in that the described empty cylinder wing is the wings of crescent bending.

TCH syringe the most according to claim 1, it is characterised in that the described empty cylinder wing has two.

TCH syringe the most according to claim 4, it is characterised in that the described empty cylinder wing has two, and two empty cylinder wings are arranged on the both sides of sky cylinder.

TCH syringe the most according to claim 1, it is characterised in that the front end of empty cylinder is provided with connector.