CN209108287U - A kind of syringe cooperating transfusion port - Google Patents

Abstract

The utility model relates to field of medical device, in particular to a kind of syringe for cooperating transfusion port, including handle, inner casing, shell, the lower semisection of shell is equipped with the fluting being slidably matched for inner casing along inner casing axis, the bottom of shell is equipped with the retaining mechanism cooperated with transfusion port, the inner wall of shell lower semisection is equipped with the limit plate for preventing inner casing from continuing to push, the bottom of inner casing is equipped with the clamping mechanism of fixed wing syringe needle, a kind of syringe of cooperation transfusion port of the utility model becomes simple and accurate by the operation of transfusion port acupuncture treatment infusion, substantially increase success rate, the pain for allowing patient repeatedly to be had an acupuncture treatment less, allow the nurse being lacking in experience more preferably can carry out acupuncture treatment infusion to patient.

Description

A kind of syringe cooperating transfusion port

Technical field

The utility model relates to field of medical device, in particular to a kind of syringe for cooperating transfusion port.

Background technique

Transfusion port is totally implanted the intracorporal closure infusion device of people, including tip be located at superior vena cava conduit portion and It is imbedded at subcutaneous syringe, it is excellent to have that infection risk is low, facilitates patient, protection blood vessel, simple, the validity period limit for length of maintenance etc. Point.

When nurse carries out contact pin to sufferer in Hospitals at Present, triangle need to be constituted with three fingers to determine syringe The center of circle, then with syringe needle be inserted into the center of circle, the failure rate of such contact pin is very high, causes the insufficient nurse of many experiences to the transfusion port heart Fear is deposited, once contact pin is inaccurate twice also allows patient to bear the pain, it is therefore necessary to which the syringe for designing a kind of automatic needle inserting mentions High contact pin success rate, while mitigating patient pain.

Utility model content

The purpose of this utility model is that in view of the deficiencies of the prior art, providing a kind of syringe for cooperating transfusion port.

To solve the above problems, the utility model the following technical schemes are provided:

A kind of syringe cooperating transfusion port, including handle, inner casing, the shell being set on the outside of inner casing, shell and inner casing Be it is cylindric, one end of the handle is protruded into inner casing along the axis direction of inner casing through the end of shell, and handle protrudes into One end of inner casing is not fixedly connected by the perforative one end of handle with inner casing, and the inner casing is sliding by the inner wall of rebounding mechanism and shell Dynamic cooperation is fixedly connected, and the lower semisection of the shell is equipped with the fluting being slidably matched for inner casing along inner casing axis, the shell Bottom is equipped with the retaining mechanism cooperated with transfusion port, and the inner wall of the shell lower semisection is equipped with for preventing inner casing from continuing to push Limit plate, the bottom of the inner casing is equipped with the clamping mechanism of fixed wing syringe needle.

Preferably, the shell is in the axial direction opening close to one end of retaining mechanism, and the retaining mechanism includes There is the arc buckle that shell bottom end is set, the arc direction of arc buckle is vertical with the axis of inner casing, slots as semi-cylindrical And its axis is overlapped with the axis of inner casing, one end and, the arc card hinged along one end of its arc direction of slotting of arc buckle The other end and fluting of button are engaged by clamping along the other end of its arc direction.

Preferably, the limit plate is to be horizontally set on the curved baffle slotted close to outer casing bottom.

Preferably, the inner casing is the cylindrical structure that one end along its axis far from retaining mechanism is opening, the injection The bottom end of handle is integrally formed in inner casing inner wall bottom.

Preferably, the clamping mechanism is the round clamping disk being horizontally spaced about below inner casing, the clamping The bottom of disk and inner casing is integrally formed, and plane where circle clamping disk is vertical with the axis of inner casing.

Preferably, the clamping disk is radially equipped with the v notch v of a receiving wing syringe needle, the clamping disk Diameter is equal to the diameter of inner casing.

Preferably, the rebounding mechanism includes upper snap ring, lower snap ring and spring, and the upper snap ring and outer casing inner wall are along its axis Line direction is fixedly connected far from one end center of circle of clamping mechanism, and the lower snap ring and injection handle are along the close clamping of its axis direction One end bottom of mechanism is fixedly connected, and the both ends of the spring are fixedly connected with upper snap ring and lower snap ring respectively, and the spring is perpendicular It is directly set on injection handle.

The utility model has the advantages that a kind of syringe of cooperation transfusion port of the utility model, subcutaneous fixation is entangled in the bottom of syringe After the profile of seat on the skin, syringe and fixing seat are locked by locking device, then wing syringe needle is injected into clamping disk It is fixed in gap between inner shell bottom, it is finally smoothly injected in the infusion inner cavity of subcutaneous fixing seat by lower handle syringe needle, together When outer casing bottom limit plate prevent inner casing continue to push, prevent syringe needle be inserted into it is too deep, after injection, with finger solution open arc Shape buckle, then moves horizontally syringe and separates with wing syringe needle, and syringe is shunk recovery by the spring for connecting inner casing and shell Original state becomes simple accurate by transfusion port acupuncture treatment infusion by the syringe, substantially increases success rate, make patient few by more The pain of secondary acupuncture treatment allows the nurse being lacking in experience more preferably can carry out acupuncture treatment infusion to patient.

Detailed description of the invention

Fig. 1 show the stereochemical structure signal of the utility model；

Fig. 2 show the use state diagram one of the utility model；

Fig. 3 show the use state diagram two of the utility model；

Fig. 4 show the use state cross-sectional view of the utility model；

Description of symbols: handle 1, inner casing 2 are clamped disk 2a, v notch v 2b, lower snap ring 2c, and shell 3, slot 3a, limit Position plate 3b, arc buckle 3c, curved baffle 3d, upper snap ring 3e, and spring 4, wing syringe needle 5, fixing seat 6, be infused inner cavity 6a.

Specific embodiment

With reference to the accompanying drawings of the specification and embodiment, specific embodiment of the utility model is described in further detail:

A kind of syringe of cooperation transfusion port referring to figs. 1 to 4, including handle 1, inner casing 2, it is set in inner casing 2 The shell 3 in outside, shell 3 and inner casing 2 be it is cylindric, shell is run through along the axis direction of inner casing 2 in one end of the handle 1 3 end is protruded into inner casing 2, and one end that handle 1 protrudes into inner casing 2 is not fixedly connected by the perforative one end of handle 1 with inner casing 2, institute It states inner casing 2 and is slidably matched by rebounding mechanism with the inner wall of shell 3 and is fixedly connected, the lower semisection of the shell 3 is equipped with for inner casing 2 The fluting 3a being slidably matched along 2 axis of inner casing, the bottom of the shell 3 is equipped with the retaining mechanism cooperated with transfusion port, described outer The inner wall of 3 lower semisection of shell is equipped with the limit plate 3b for preventing inner casing 2 from continuing to push, and the bottom of the inner casing 2, which is equipped with, to be fixed The clamping mechanism of wing syringe needle 5.

The shell 3 is in the axial direction opening close to one end of retaining mechanism, and the retaining mechanism includes setting Arc in 3 bottom end of shell buckles 3c, and the arc direction that arc buckles 3c is vertical with the axis of inner casing 2, and fluting 3a is semicolumn Face and its axis is overlapped with the axis of inner casing 2, arc buckle 3c one end and the 3a that slots it is hinged along one end of its arc direction, Arc buckles the other end of 3c and fluting 3a is engaged by clamping along the other end of its arc direction, and the fixing seat 6 of transfusion port is implanted into skin A raised circular contour can be shown in skin surface after lower, 3c is buckled by arc and is locked with the cooperation of cylindrical shell 3 Fixing seat 6 is to have an acupuncture treatment.

The limit plate 3b is to be horizontally set on fluting 3a close to the curved baffle 3d of 3 bottom of shell, when inner casing 2 drives butterfly Plate 3b is limited after the insertion skin of wing syringe needle 5 to resist, and prevents syringe needle to be inserted into too deep, limit plate 3b is apart from 3 bottom end plane of shell Height should be slightly larger than the length of wing syringe needle 5, guarantee that syringe needle can smoothly be inserted into infusion inner cavity 6a.

The inner casing 2 is the cylindrical structure that one end along its axis far from retaining mechanism is opening, the injection handle 1 Bottom end is integrally formed in 2 inner wall bottom of inner casing, and pressing injection handle 1 can drive inner casing 2 to move down, and inner casing 2 moves down Wing syringe needle 5 is driven to move down.

The clamping mechanism is round clamping the disk 2a, the clamping disk 2a being horizontally spaced about below inner casing 2 It is integrally formed with the bottom of inner casing 2, plane where circle clamping disk 2a is vertical with the axis of inner casing 2, and wing syringe needle 5 is horizontally inserted into Gap between clamping disk 2a and inner casing 2 is fixed, and preventing wing syringe needle 5, both sides shake and cause syringe needle inclined during the decline It moves.

The clamping disk 2a is radially equipped with a v notch v 2b of a receiving wing syringe needle 5, the clamping disk 2a's Diameter is equal to the diameter of inner casing 2, and the horizontal perfusion tube of wing syringe needle 5 is placed in a v notch v 2b, and syringe needle faces straight down The central area of fixing seat 6.

The rebounding mechanism includes upper snap ring 3e, lower snap ring 2c and spring 4, and the upper snap ring 3e and 3 inner wall of shell are along it Axis direction is fixedly connected far from one end center of circle of clamping mechanism, and the lower snap ring 2c is leaned on injection handle 1 along its axis direction One end bottom of nearly clamping mechanism is fixedly connected, and the both ends of the spring 4 are fixedly connected with upper snap ring 3e and lower snap ring 2c respectively, The spring 4 is set in vertically on injection handle 1, by spring 4 by inner casing 2 and 3 elastic connection of shell, is injected after using Device restores to the original state under the effect of spring 4.

Working principle:, will by locking device after the profile of subcutaneous fixing seat 6 on the skin is entangled in the bottom of syringe Syringe and fixing seat 6 lock, then wing syringe needle 5 is injected in the gap between clamping disk 2a and 2 bottom of inner casing and is fixed, finally It is smoothly injected in the infusion inner cavity 6a of subcutaneous fixing seat 6 by 1 syringe needle of lower handle, while in the limit plate 3b prevention of 3 bottom of shell Shell 2 continues to push, and prevents syringe needle to be inserted into too deep, after injection, unlocks arc buckle 3c with finger, then moves horizontally note Emitter is separated with wing syringe needle 5, and the spring 4 of connection inner casing 2 and shell 3, which shrinks syringe, to restore to the original state.

The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model Any restrictions out, thus it is any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent Variation and modification, in the range of still falling within the technical solution of the utility model.

Claims (7)

1. a kind of syringe for cooperating transfusion port, it is characterised in that: including handle (1), inner casing (2), be set on the outside of inner casing (2) Shell (3), shell (3) and inner casing (2) be it is cylindric, one end of the handle (1) is passed through along the axis direction of inner casing (2) The end for wearing shell (3) is protruded into inner casing (2), and one end that handle (1) protrudes into inner casing (2) is not run through by handle (1) with inner casing (2) One end be fixedly connected, the inner casing (2), which is slidably matched by rebounding mechanism with the inner wall of shell (3), to be fixedly connected, described outer The lower semisection of shell (3) is equipped with the fluting (3a) being slidably matched for inner casing (2) along inner casing (2) axis, and the bottom of the shell (3) is set There is the retaining mechanism with transfusion port cooperation, the inner wall of shell (3) lower semisection is equipped with for preventing inner casing (2) from continuing to push Limit plate (3b), the bottom of the inner casing (2) is equipped with the clamping mechanism of fixed wing syringe needle (5).

2. a kind of syringe for cooperating transfusion port according to claim 1, it is characterised in that: the shell (3) is in axis Close to one end of retaining mechanism to be open on direction, the retaining mechanism includes that arc of the setting in shell (3) bottom end buckles (3c), the arc direction that arc buckles (3c) is vertical with the axis of inner casing (2), fluting (3a) be semi-cylindrical and its axis and The axis of inner casing (2) is overlapped, and one end of arc buckle (3c) and fluting (3a) are hinged along one end of its arc direction, arc buckle The other end and fluting (3a) of (3c) are engaged by clamping along the other end of its arc direction.

3. a kind of syringe for cooperating transfusion port according to claim 1, it is characterised in that: the limit plate (3b) is water Flat setting is at fluting (3a) close to the curved baffle (3d) of shell (3) bottom.

4. a kind of syringe for cooperating transfusion port according to claim 1, it is characterised in that: the inner casing (2) is along it The one end of axis far from retaining mechanism is the cylindrical structure of opening, and the bottom end of the handle (1) is integrally formed in inner casing (2) inner wall Bottom.

5. a kind of syringe for cooperating transfusion port according to claim 1, it is characterised in that: the clamping mechanism is one Round clamping disk (2a) being horizontally spaced about below inner casing (2), the bottom one of clamping disk (2a) and inner casing (2) at Type, plane where circle clamping disk (2a) are vertical with the axis of inner casing (2).

6. a kind of syringe for cooperating transfusion port according to claim 5, it is characterised in that: the clamping disk (2a) is along it It is radially provided with the v notch v (2b) for accommodating wing syringe needle (5), the diameter of clamping disk (2a) is equal to the straight of inner casing (2) Diameter.

7. a kind of syringe for cooperating transfusion port according to claim 1, it is characterised in that: the rebounding mechanism includes upper Snap ring (3e), lower snap ring (2c) and spring (4), the upper snap ring (3e) and shell (3) inner wall are along its axis direction far from clamping One end center of circle of mechanism is fixedly connected, and the lower snap ring (2c) and handle (1) are along its axis direction close to one end of clamping mechanism Bottom is fixedly connected, and the both ends of the spring (4) are fixedly connected with upper snap ring (3e) and lower snap ring (2c) respectively, the spring (4) it is set in vertically on handle (1).