CN216319249U

CN216319249U - Telescopic transfusion needle and transfusion structure

Info

Publication number: CN216319249U
Application number: CN202120360226.8U
Authority: CN
Inventors: 李涛洁; 黄李华
Original assignee: Shanghai Pulmonary Hospital
Current assignee: Shanghai Pulmonary Hospital
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2022-04-19
Anticipated expiration: 2031-02-09

Abstract

The utility model discloses a telescopic transfusion needle and a transfusion structure, wherein the telescopic transfusion needle comprises: a needle body; the connecting pipe is connected with the needle body; the infusion tube is connected with the connecting tube; the needle wing is connected with one side of the connecting pipe, and a clamping groove is formed in the needle wing; the needle wing comprises a connecting pipe, a telescopic sleeve, a needle wing and a needle wing, wherein the connecting pipe is sleeved with the telescopic sleeve in a vertically movable manner; the protrusion is arranged on the inner wall of the through groove. By applying the utility model, the condition that the needle body is accidentally stabbed in the process of infusion operation can not occur, the use hand feeling of medical personnel is ensured, and the utility model has simple structure and convenient use.

Description

Telescopic transfusion needle and transfusion structure

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a telescopic infusion needle and an infusion structure.

Background

In hospitals, the most common treatment method is infusion treatment, generally, an intravenous injection method is adopted, specifically, a medical care worker firstly injects a prepared medicament into an infusion bottle, the infusion bottle is suspended and then connected with a needle body through an infusion tube and the like, a needle wing is usually attached to a pillow body, and the medical care worker often controls the needle body to be inserted by pinching the needle wing by hand; however, in the actual use process, the needle body is quite sharp, which is easy to scratch and stab on patients or medical staff in the inserting and pulling process, and in hospitals, once the stab occurs, blood transmission and the like which are easy to cause diseases are easy to occur; meanwhile, the used needle body belongs to medical waste, and the medical waste recycling personnel are also in danger of being stabbed by the needle body when the needle body is directly thrown into a garbage can.

SUMMERY OF THE UTILITY MODEL

In view of the above, in order to solve the above problems, the present invention provides a telescopic infusion needle, including:

the upper end of the needle body is sharp;

the upper end of the connecting pipe is connected with the lower end of the needle body;

the upper end of the infusion tube is connected with the lower end of the connecting tube;

one end of the needle wing is fixedly connected with one side of the connecting pipe, the other end of the needle wing deviates from the connecting pipe and extends outwards, and a clamping groove is formed in the needle wing;

the needle wing is arranged in the through groove in a sliding manner, and is provided with a needle wing which can slide along the through groove;

the protrusion is arranged on the inner wall of the through groove, and the protrusion can be clamped in the clamping groove in an operable mode.

In another preferred embodiment, the upper end of the telescopic sleeve is provided with a perforation, the inner diameter of the perforation is slightly larger than the outer diameter of the needle body, and the upper end of the needle body is operably arranged through the perforation.

In another preferred embodiment, the method further comprises: the rubber head is embedded in the through hole, and the upper end of the needle body can operatively penetrate through the rubber head.

In another preferred embodiment, the upper end of the rubber head protrudes out of the upper end of the telescopic sleeve.

In another preferred embodiment, a sliding strip is arranged on the other side of the connecting pipe along the vertical direction, a sliding groove is formed in the inner wall of the other side of the telescopic sleeve, and the sliding strip is slidably arranged in the sliding groove.

In another preferred embodiment, the protrusion and the locking groove are both arranged in a hemispherical shape.

In another preferred embodiment, the upper end of the telescopic channel is arranged in a retracted manner, and the inner diameter of the through hole is smaller than that of the telescopic channel.

In another preferred embodiment, the surface of the needle wing is provided with a frosted layer.

In another preferred embodiment, the method further comprises: the elastic piece, the elastic piece is the wave form setting along length direction, the length direction of elastic piece is followed the length direction of spout sets up, the elastic piece set up in the spout, the upper end of elastic piece is fixed in on the inner wall of the upper end of spout, the other end slidable ground of elastic piece set up in the spout, just the other end of elastic piece operationally support in the upper end of draw runner.

An infusion structure, comprising the telescopic infusion needle of any one of the above, further comprising: the infusion apparatus comprises a base, a plurality of universal wheels, a support, a hook, an infusion bottle, an installation plate, a magnet and an iron piece, wherein the universal wheels are arranged at the lower end of the base, the lower end of the support is fixedly connected with the upper end of the base, the hook is arranged at the upper end of the support, the infusion bottle is hung on the hook, the infusion bottle is connected with one end, away from the connecting pipe, of the infusion pipe, the installation plate is fixedly installed at the middle part of the support, the magnet is embedded on the installation plate, the iron piece is embedded on the telescopic sleeve, and the telescopic sleeve is operatively adsorbed on the installation plate through the mutual attraction of the magnet and the iron piece.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following positive effects: by applying the utility model, the condition that the needle body is accidentally stabbed in the process of infusion operation can not occur, the use hand feeling of medical personnel is ensured, and the utility model has simple structure and convenient use.

Drawings

FIG. 1 is a general view of a retractable infusion needle according to the present invention;

FIG. 2 is a cross-sectional view of a telescopic sleeve of the telescopic infusion needle of the present invention;

FIG. 3 is a partial schematic view of a retractable infusion needle according to the present invention;

FIG. 4 is a schematic view of another embodiment of a retractable infusion needle according to the present invention.

In the drawings:

1. a needle body; 2. a connecting pipe; 3. a transfusion tube; 4. a needle wing; 41. a card slot; 5. a telescopic sleeve; 51. a telescopic channel; 52. a through groove; 53. a protrusion; 54. perforating; 6. gluing heads; 21. a slide bar; 55. a chute; 42. sanding layer; 7. an elastic member; 8. an iron member.

Detailed Description

The utility model is further described with reference to the following drawings and specific examples, which are not intended to be limiting.

As shown in FIGS. 1 to 3, a preferred embodiment of a telescopic infusion needle is shown, comprising: the needle body 1, the upper end of the needle body 1 is sharp; the upper end of the connecting pipe 2 is connected with the lower end of the needle body 1; the upper end of the transfusion tube 3 is connected with the lower end of the connecting tube 2; one end of the needle wing 4 is fixedly connected with one side of the connecting pipe 2, the other end of the needle wing 4 deviates from the connecting pipe 2 and extends outwards, and a clamping groove 41 is formed in the needle wing 4; the needle wing device comprises a telescopic sleeve 5, wherein the telescopic sleeve 5 is sleeved on a connecting pipe 2 in a vertically movable manner, a telescopic channel 51 is arranged on the telescopic sleeve 5 along the vertical direction, the telescopic channel 51 is matched with the connecting pipe 2, the connecting pipe 2 can be slidably arranged in the telescopic channel 51 along the vertical direction, a through groove 52 is formed in the outer wall of the telescopic sleeve 5, the through groove 52 penetrates through one side of the telescopic sleeve 5, the through groove 52 is communicated with one side of the telescopic channel 51, and one end of the needle wing 4 is slidably arranged in the through groove 52; the protrusion 53 is disposed on the inner wall of the through slot 52, and the protrusion 53 is operatively engaged with the engaging slot 41. Further, the telescopic sleeve 5 is slidably connected to the outer side of the connecting tube 2 through the telescopic channel 51 and is operable to accommodate the needle body 1 in the telescopic channel 51, in the actual use process, a medical worker can pinch the outer wall of the telescopic sleeve 5 with one hand, pinch the needle wing 4 with the other hand and push the needle body 1 along the axial direction of the needle body 1 so that the needle body 1 protrudes out of the telescopic channel 51 until the protrusion 53 is extruded and clamped with the clamping groove 41; preferably, the radial section of the telescopic sleeve 5 is in a round corner rectangular arrangement; in addition, the through groove 52 is not penetrated at both ends in the axial direction of the telescopic passage 51, so that plugs are formed at the upper and lower ends respectively to prevent the telescopic sleeve 5 from being accidentally separated from other structures.

Further, as a preferred embodiment, in order to make the temporary clamping portion, i.e. the portion where the protrusion 53 and the slot 41 are matched with each other, more stable during the process of clamping under stress, the protrusion 53 is formed on the inner wall of the through groove 52, the slot 41 is concavely formed on the needle wing 4, and at the same time, in order to make the operation of the needle wing sliding in the through groove 52 more labor-saving, the needle wing 4 should be made of a material with a certain flexibility, and the thickness of the needle wing 4 is slightly smaller than the inner width of the slot 41, and when the needle wing 4 just contacts with the protrusion 53, the side of the needle wing 4 slightly away from the protrusion is extruded and deformed, and the needle wing 4 is restored to its original shape after the protrusion 53 slides into the slot 41.

Further, as a preferred embodiment, the upper end of the telescopic sleeve 5 is provided with a perforation 54, the inner diameter of the perforation 54 is slightly larger than the outer diameter of the needle body 1, and the upper end of the needle body 1 is operatively arranged through the perforation 54. Further, as the needle body 1 continues to move upward relative to the telescopic sleeve 5, the upper end of the pillow body gradually protrudes from the through hole 54.

Further, as a preferred embodiment, the method further comprises: the rubber head 6 is embedded in the through hole 54, and the upper end of the needle body 1 can be arranged by penetrating the rubber head 6. Further, in order to protect the pillow body from being clean and sanitary when not in use, in an initial state, the needle body 1 is completely positioned in the telescopic channel 51, the upper end of the telescopic sleeve 5 is sealed through the rubber head 6, the needle body 1 pierces through the rubber sleeve to protrude out of the telescopic sleeve 5 along with the relative downward movement of the telescopic sleeve 5, and conversely, the needle body 1 can be continuously operated to retract into the telescopic channel 51 from the rubber head 6 after the needle body 1 is used.

Further, as a preferred embodiment, the upper end of the rubber head 6 protrudes from the upper end of the telescopic sleeve 5.

Further, as a preferred embodiment, a slide bar 21 is disposed on the other side of the connecting pipe 2 along the vertical direction, a sliding groove 55 is disposed on the inner wall of the other side of the telescopic sleeve 5, and the slide bar 21 is slidably disposed in the sliding groove 55. Further, the sliding groove 55 is disposed opposite to the through groove 52, a sliding limit is formed on one side of the connecting pipe 2 moving through the matching of the sliding strip 21 and the sliding groove 55, and a sliding limit is formed on the other side of the connecting pipe 2 moving through the matching of the through groove 52 and the needle wing 4.

Further, as a preferred embodiment, the protrusion 53 and the locking groove 41 are disposed in a hemispherical shape.

Further, as a preferred embodiment, the upper end of the telescopic channel 51 is disposed in a retracted manner, and the inner diameter of the through hole 54 is smaller than that of the telescopic channel 51.

Further, as a preferred embodiment, the surface of the needle wing 4 is provided with a frosted layer 42. Furthermore, a plurality of friction enhancing grains can be arranged on the surface of the needle wing 4 to enhance the hand feeling of the medical staff when pinching the needle wing 4.

Further, as a preferred embodiment, the method further comprises: elastic component 7, elastic component 7 are the wave form setting along length direction, and the length direction of elastic component 7 sets up along the length direction of spout 55, and elastic component 7 sets up in spout 55, and the upper end of elastic component 7 is fixed in on the inner wall of the upper end of spout 55, and the other end slidable of elastic component 7 sets up in spout 55, and the other end of elastic component 7 operably supports in the upper end of draw runner 21. Further, the elastic member 7 can be replaced by an axial elastic structure such as a spring under the condition that the space is allowed, so that when the medical staff pushes the needle wing 4, the slide bar 21 can be contacted with the elastic member 7 before the elastic member 7, at this time, the needle body 1 does not pass through the rubber head 6, the needle wing 4 is continuously pushed, the slide bar 21 pushes the elastic member 7 to enable the elastic member 7 to be extruded to generate reverse elastic force, the medical staff needs to continuously push the needle wing 4 on the basis of overcoming the elastic force to enable the needle body 1 to pass through the rubber head 6, the safety is further improved, and the situation that the needle body 1 is pierced due to accidental operation is avoided.

Further, as a preferred embodiment, the outer wall of the telescopic sleeve 5 is provided with two concave surfaces, the two concave surfaces are oppositely arranged, and the connecting direction of the two concave surfaces is perpendicular to the penetrating direction of the through groove 52. Further, the medical staff is operable to attach the two concave inner surfaces with the thumb and the index finger, respectively, to make it easier to pinch the bellows 5.

Further, as a preferred embodiment, the outer contour of the needle wing 4 near the end of the connecting tube 2 is smaller than the outer contour of the needle wing 4 far from the end of the connecting tube 2.

Further, as a preferred embodiment, as shown in fig. 4, a structure of the needle wing 4 of a preferred embodiment is shown, such that a portion of the needle wing 4 away from the tube of the connecting tube 2 is formed with an upper protruding portion extending upward and a lower protruding portion extending downward, an upper edge of the upper protruding portion is arranged in an arc shape, a lower edge of the lower protruding portion is arranged in an arc shape, and the lower protruding portion is arranged in a more protruding manner with respect to the upper protruding portion. Further, the hand feeling of the medical staff when pushing the needle wing 4 is improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope and the implementation manner of the present invention.

The present invention also has the following embodiments in addition to the above:

an infusion structure, comprising the telescopic infusion needle of any one of the above, further comprising: the base, a plurality of universal wheels, and a support, the couple, the infusion bottle, the mounting panel, magnet and ironware 8, a plurality of universal wheels all set up in the lower extreme of base, the lower extreme of support and the upper end fixed connection of base, the couple sets up in the upper end of support, the infusion bottle is hung and is located on the couple, the infusion bottle is connected with the one end that connecting pipe 2 was kept away from to transfer line 3, mounting panel fixed mounting is in the middle part of support, magnet inlays and locates on the mounting panel, ironware 8 inlays and locates on the telescope tube 5, telescope tube 5 is operable to adsorb on the mounting panel through magnet and the inter attraction of ironware 8. Further, for placing temporarily of telescopic infusion needle provides the solution, it is common, medical personnel need stanch for the patient after extracting needle body 1 by the vein end, and infusion needle often also has fine placing means, mostly temporarily abandons subaerial, and is very unhygienic, adsorbs to provide reasonable interim the placing to foretell telescopic infusion needle through the cooperation of iron casting 8 and magnet.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims

1. A telescopic infusion needle is characterized by comprising:

the upper end of the needle body is sharp;

2. The telescopic infusion needle of claim 1, wherein the upper end of the telescopic sheath defines a perforation having an inner diameter slightly larger than an outer diameter of the needle body, the upper end of the needle body being operably disposed through the perforation.

3. The telescopic infusion needle of claim 2, further comprising: the rubber head is embedded in the through hole, and the upper end of the needle body can operatively penetrate through the rubber head.

4. The telescopic infusion needle according to claim 3, wherein the upper end of the rubber head protrudes from the upper end of the telescopic sleeve.

5. The telescopic infusion needle according to claim 1, wherein a sliding strip is vertically arranged on the other side of the connecting pipe, a sliding groove is formed in the inner wall of the other side of the telescopic sleeve, and the sliding strip is slidably arranged in the sliding groove.

6. The telescopic infusion needle according to claim 1, wherein the protrusion and the clamping groove are arranged in a hemispherical shape.

7. The telescopic infusion needle according to claim 2, wherein the upper end of the telescopic channel is arranged in a retracted manner, and the inner diameter of the perforation is smaller than that of the telescopic channel.

8. The telescopic infusion needle according to claim 1, wherein the surface of the needle wing is provided with a frosted layer.

9. The telescopic infusion needle of claim 5, further comprising: the elastic piece, the elastic piece is the wave form setting along length direction, the length direction of elastic piece is followed the length direction of spout sets up, the elastic piece set up in the spout, the upper end of elastic piece is fixed in on the inner wall of the upper end of spout, the other end slidable ground of elastic piece set up in the spout, just the other end of elastic piece operationally support in the upper end of draw runner.

10. An infusion structure comprising the telescopic infusion needle as claimed in any one of claims 1 to 9, further comprising: the infusion apparatus comprises a base, a plurality of universal wheels, a support, a hook, an infusion bottle, an installation plate, a magnet and an iron piece, wherein the universal wheels are arranged at the lower end of the base, the lower end of the support is fixedly connected with the upper end of the base, the hook is arranged at the upper end of the support, the infusion bottle is hung on the hook, the infusion bottle is connected with one end, away from the connecting pipe, of the infusion pipe, the installation plate is fixedly installed at the middle part of the support, the magnet is embedded on the installation plate, the iron piece is embedded on the telescopic sleeve, and the telescopic sleeve is operatively adsorbed on the installation plate through the mutual attraction of the magnet and the iron piece.