CN217724252U

CN217724252U - Intermittent infusion sealing mechanism and intermittent infusion sealing device

Info

Publication number: CN217724252U
Application number: CN202222626733.9U
Authority: CN
Inventors: 康宇
Original assignee: Beijing Fuxin Technology Co ltd
Current assignee: Beijing Fuxin Technology Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2022-11-04
Anticipated expiration: 2032-10-08

Abstract

The utility model provides an intermittent type infusion seals mechanism and intermittent type infusion closing device, this intermittent type infusion seals the mechanism and includes: the front part and the rear part are fixedly connected with the middle part, the front part comprises a rod body, the middle part is provided with a sealing surface, and the projection of the front part on the sealing surface is limited within the outer contour range of the sealing surface; the rear part at least partially extends in the direction away from the front part, so that the technical problems that the liquid contained in the infusion container is easy to drip and leak after the infusion container is used for the first time, and the medical care operation is inconvenient are solved.

Description

Intermittent infusion sealing mechanism and intermittent infusion sealing device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an intermittent type infusion sealing mechanism and intermittent type infusion closing device.

Background

In practical applications, a port of an infusion bag needs to be punctured for many times, for example, a first time for adding a prepared medicine, and a second time for connecting a needle of an infusion apparatus. In addition, many times, one bottle of liquid A needs to be infused with other liquids at intervals, so that the container filled with the liquid needs to be pulled out after being connected with a needle of an infusion apparatus, and the liquid A needs to be infused continuously after another bottle of liquid is infused. Especially, when the plastic needle is used, after the infusion bottle plug is punctured by the plastic needle, the plastic needle is pulled out, a wound which can not be closed can be caused on the bottle plug, the liquid in the bottle plug is dripped and leaked, the medicine is wasted, and the pollution is caused.

In clinical practice, nurses often adopt various irregular methods, such as clamping jaws of hemostatic forceps, and fixing with adhesive tapes after folding an infusion bag, so as to avoid the leakage of liquid filled in an infusion container, which can not only avoid the leakage completely but also easily cause the damage to the infusion bag.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an intermittent type infusion sealing mechanism and intermittent type infusion closing device to solve the infusion container and install the easy hourglass of liquid after the first use, be not convenient for medical care's technical problem of operation.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides an intermittent type infusion seals mechanism, include: the front part and the rear part are fixedly connected with the middle part, the front part comprises a rod body, the middle part is provided with a sealing surface, and the projection of the front part on the sealing surface is limited within the outer contour range of the sealing surface; the rear portion extends at least partially away from the front portion.

In a preferred embodiment, the front portion comprises a first cone connected to the front end of the shaft, the first cone tapering in a direction from rear to front.

In a preferred embodiment, the rod body comprises a second cone and a third cone, the first cone is connected to the front end of the second cone, the third cone is connected to the rear end of the second cone, the maximum profile of the first cone is not greater than the minimum profile of the second cone, and the minimum profile of the third cone is not less than the maximum profile of the second cone.

In a preferred embodiment, the third cone and the second cone are both solids of revolution, and the outer diameter of the front end of the third cone is larger than the outer diameter of the rear end of the second cone.

In a preferred embodiment, the taper angle of the first taper, the taper angle of the second taper and the taper angle of the third taper decrease in sequence.

In a preferred embodiment, the taper of the third cone ranges from 0.1 ° to 0.4 °.

In a preferred embodiment, the taper of the second cone ranges from 0.15 ° to 0.2 °.

In a preferred embodiment, the sealing surface is kidney-shaped and the third cone is connected to the sealing surface.

In a preferred embodiment, said rear portion comprises at least one longitudinal riser comprising a trapezoidal portion.

In a preferred embodiment, the rear portion includes a tube body and a plurality of the longitudinal vertical plates, and the tube body extends along the longitudinal direction and is disposed between two adjacent longitudinal vertical plates.

The utility model provides an intermittent type infusion closing device, include: the cap body is detachably connected with the intermittent infusion sealing mechanism and covers the front part.

In a preferred embodiment, the inner wall of the cap body is provided with a plurality of longitudinally distributed protrusions.

The utility model discloses a characteristics and advantage are:

after the infusion container is pierced by the needle head and the needle head is pulled out, a medical worker can insert the front part of the intermittent infusion sealing mechanism into the part of the infusion container pierced by the needle head, and the sealing surface of the middle part is abutted against the pierced part to seal the pierced part, so that the sealing reliability is ensured, the liquid medicine in the infusion container is prevented from flowing out, and external pathogenic impurities are prevented from entering the infusion container; in addition, the sealing surface covers the peripheral area of the punctured part, thereby ensuring the cleanness of the punctured part, ensuring the cleanness and sanitation of the transfusion container when being used again, reducing the waste of liquid medicine and improving the safety of intermittent transfusion.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1-2 are perspective views of an intermittent infusion sealing mechanism provided by the present invention;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is a top view of FIG. 2;

FIG. 5 is a cross-sectional view taken along line C-C of FIG. 4;

FIG. 6 is a front view of FIG. 2;

fig. 7-8 are schematic structural views of a cap body in the intermittent infusion sealing device provided by the present invention;

fig. 9 is a schematic structural view of the intermittent infusion sealing device provided by the utility model.

The reference numbers indicate:

10. a front portion; 11. a first cone;

20. a rod body; 21. a second cone; 22. a third cone;

30. a middle part; 31. a sealing surface;

40. a rear portion; 401. a rib plate;

41. a longitudinal vertical plate; 42. a trapezoidal portion;

43. a pipe body;

44. a communicating hole;

50. a cap body; 51. a raised portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Scheme one

The utility model provides an intermittent type infusion seals mechanism, as shown in figure 1-6, this intermittent type infusion seals mechanism includes: the front part 10, the middle part 30 and the rear part 40, wherein the front part 10 and the rear part 40 are fixedly connected with the middle part 30, the front part 10 comprises a rod body 20, the middle part 30 is provided with a sealing surface 31, and the projection of the front part 10 on the sealing surface 31 is limited in the outer contour range of the sealing surface 31; the rear portion 40 extends at least partially away from the front portion 10.

After the infusion container is pierced by the needle and the needle is pulled out, a medical worker can insert the front part 10 of the intermittent infusion sealing mechanism into the part of the infusion container pierced by the needle, and the sealing surface 31 of the middle part 30 is abutted against the pierced part to seal the pierced part, so that the sealing reliability is ensured, the liquid medicine in the infusion container is prevented from flowing out, and external pathogenic impurities are prevented from entering the infusion container; in addition, the sealing surface 31 covers the peripheral area of the punctured part, thereby ensuring the cleanness of the punctured part, ensuring the cleanness and sanitation of the transfusion container when the transfusion container is reused, reducing the waste of liquid medicine, improving the safety of intermittent transfusion and solving the technical problems that the liquid filled in the transfusion container is easy to drip and leak after the transfusion container is used for the first time and is inconvenient for medical care operation.

As shown in fig. 1, 2 and 4, the front portion 10 includes a first cone 11 connected to the front end of the shaft 20, the first cone 11 is tapered in a direction from rear to front, and the first cone 11 is pointed to facilitate insertion of the front portion 10 into a punctured portion.

In one embodiment, the rod 20 comprises a second cone 21 and a third cone 22, the first cone 11 is connected to the front end of the second cone 21, the third cone 22 is connected to the rear end of the second cone 21, the maximum profile of the first cone 11 is not greater than the minimum profile of the second cone 21, the minimum profile of the third cone 22 is not less than the maximum profile of the second cone 21, when in use, the first cone 11, the second cone 21 and the third cone 22 are sequentially inserted into the punctured part of the infusion container, and the third cone 22 is matched with the punctured part, which is beneficial to improving the sealing effect and facilitating the insertion of the front portion 10 into the punctured part.

The first cone 11 may be conical or pyramidal, the second cone 21 may be conical or pyramidal, the third cone 22 may be conical or pyramidal, and both the second cone 21 and the third cone 22 are tapered in the direction from the rear to the front. Preferably, the third cone 22 is conical. Further, the third cone 22 and the second cone 21 are both rotational bodies, as shown in fig. 4, the outer diameter of the front end of the third cone 22 is larger than the outer diameter of the rear end of the second cone 21, after the intermittent infusion sealing mechanism is inserted in place, the sealing surface 31 abuts against the punctured part, at this time, the second cone 21 and the third cone 22 both cooperate with the punctured part, or the third cone 22 cooperates with the punctured part, so that the sealing effect of the cooperation of the rod body 20 and the punctured part is improved. Preferably, the difference between the outer diameter of the front end of the third cone 22 and the outer diameter of the rear end of the second cone 21 ranges from 1mm to 3mm.

As shown in fig. 4, the taper angle of the first taper 11, the taper angle of the second taper 21, and the taper angle of the third taper 22 decrease in order. The inventor has made a further improvement to the shaft 20: the taper of the third cone 22 is marked as A, A is more than or equal to 0.1 degree and less than or equal to 0.4 degree, so that the rod body 20 and the punctured part have better sealing effect. A is at 0.1 ~0.15 when, impales common port material and thickness on the existing market most easily, but at this moment, third cone 22 usually needs harder material, if for increasing the material hardness, adopts the nylon material that adds plumbous, can increase cost and do not accord with medical requirement. The rod body 20 can be made of medical PP or PE material, although the hardness is reduced, the use requirement can still be met under the condition that A is more than or equal to 0.1 degrees and less than or equal to 0.4 degrees, the more preferable range of A is 0.15 to 0.2 degrees, and A can also be 0.3 degrees. The taper of the second cone 21 is marked as B, the range of B is more than or equal to 0.15 degrees and less than or equal to 0.2 degrees, the rod body 20 is convenient to insert into the punctured part, and the rod body 20 and the punctured part have better sealing effect. Preferably, the taper B =0.175 ° of the second cone 21.

Further, the sealing surface 31 is waist-shaped, the third cone 22 is connected to the sealing surface 31, as shown in fig. 3, the sealing surface 31 is a plane, and the outer contour of the sealing surface 31 includes two semicircles and a straight line connected between the two semicircles. The third cone 22 is preferably arranged in the center of the sealing surface 31, the first cone 11, the second cone 21 and the third cone 22 are coaxial and the axis is perpendicular to the sealing surface 31.

Preferably, the longitudinal length of the front portion 10 ranges from 20mm to 50mm.

In one embodiment, the rear portion 40 includes at least one longitudinal upright 41, the longitudinal upright 41 includes a trapezoidal portion 42, the longitudinal upright 41 can be held by a medical staff, as shown in fig. 6, the longitudinal upright 41 extends away from the front portion 10, and specifically, the longitudinal upright 41 extends rearward from the middle portion 30. Further, the rear portion 40 includes a tube 43 and a plurality of longitudinal vertical plates 41, and the tube 43 extends along the longitudinal direction and is disposed between two adjacent longitudinal vertical plates 41. A rib 401 is arranged between the longitudinal vertical plate 41 and the middle part 30.

The front portion 10, the middle portion 30 and the rear portion 40 may be separately formed and then fixedly coupled together; the front portion 10, the middle portion 30 and the rear portion 40 may also be integrally formed. As shown in fig. 5, the shaft 20, the first cone 11 and the middle part 30 are provided with a communication hole 44 communicating with the tube hole of the tube 43 to reduce the weight of the intermittent transfusion sealing mechanism and facilitate molding.

Scheme two

The utility model provides an intermittent type infusion closing device, as shown in fig. 7-9, this intermittent type infusion closing device includes: a cap body 50 and the above-mentioned intermittent infusion sealing mechanism, the cap body 50 is detachably connected to the intermittent infusion sealing mechanism and covers the front part 10. When not in use, the cap body 50 protects the front part 10 and prevents the intermittent infusion sealing mechanism from being polluted.

Further, the inner wall of the cap body 50 is provided with a plurality of longitudinally distributed protruding portions 51, and the protruding portions 51 can be matched with the outer wall of the third cone 22, so that the firmness of connection between the cap body 50 and the intermittent infusion sealing mechanism is guaranteed. The end face of the cap 50 abuts against the seal surface 31 to protect the seal surface 31.

This intermittent type infusion closing device can effectively avoid the medicine to drip with current multiple type's infusion container adaptation, guarantees sanitary safety, and is aseptic product, need not the disinfection during the use. The intermittent infusion sealing device can also be applied to other containers filled with liquid, when the port of the container filled with liquid needs to be plugged after puncture, the port can be plugged by the intermittent infusion sealing device, the using method is basically similar to that of an infusion container, and similar technical effects can be generated, so that the repeated description is omitted.

The above description is only for the embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.

Claims

1. An intermittent infusion sealing mechanism, comprising: the front part and the rear part are fixedly connected with the middle part, the front part comprises a rod body, the middle part is provided with a sealing surface, and the projection of the front part on the sealing surface is limited within the outer contour range of the sealing surface; the rear portion extends at least partially in a direction away from the front portion.

2. The intermittent infusion seal mechanism of claim 1 wherein the front portion comprises a first taper attached to a front end of the stem, the first taper tapering in a rearward to forward direction.

3. An intermittent infusion sealing mechanism according to claim 2, wherein the rod body comprises a second cone and a third cone, the first cone is connected to the front end of the second cone, the third cone is connected to the rear end of the second cone, the maximum profile of the first cone is not larger than the minimum profile of the second cone, and the minimum profile of the third cone is not smaller than the maximum profile of the second cone.

4. The intermittent infusion sealing mechanism according to claim 3, wherein the third cone and the second cone are both solids of revolution, and the outer diameter of the front end of the third cone is larger than the outer diameter of the rear end of the second cone.

5. The intermittent infusion sealing mechanism according to claim 3 or 4, wherein the taper angle of the first cone, the taper angle of the second cone and the taper angle of the third cone decrease in sequence.

6. An intermittent infusion sealing mechanism according to claim 3 or 4, wherein the taper of the third cone is in the range of 0.1 ° -0.4 °.

7. The intermittent infusion sealing mechanism according to claim 6, wherein the taper of the second cone ranges from 0.15 ° to 0.2 °.

8. An intermittent infusion seal mechanism according to claim 3, wherein said sealing surface is kidney-shaped and said third cone is attached to said sealing surface.

9. An intermittent infusion seal mechanism according to claim 1 wherein said rear portion includes at least one longitudinal riser, said longitudinal riser including a trapezoidal portion.

10. An intermittent infusion sealing mechanism according to claim 9, wherein said rear portion comprises a tube and a plurality of said longitudinal risers, said tube extending longitudinally and being disposed between two adjacent said longitudinal risers.

11. An intermittent infusion sealing device, comprising: a cap and the intermittent infusion seal mechanism of any one of claims 1-10, the cap being removably attached to the intermittent infusion seal mechanism and covering the front portion.

12. The intermittent infusion seal of claim 11 wherein the inner wall of the cap is provided with a plurality of longitudinally distributed lobes.