CN215023996U

CN215023996U - Transfusion needle and protective sleeve thereof

Info

Publication number: CN215023996U
Application number: CN202121196995.5U
Authority: CN
Inventors: 张春凤; 梁榕; 赵鲜珺; 唐嘉羚; 赵孟利; 莫金兰
Original assignee: Second Affiliated Hospital of Guangxi Medical University
Current assignee: Second Affiliated Hospital of Guangxi Medical University
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-07
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses an infusion needle and protective sheath thereof, including protective sheath, infusion needle, protective sheath are cavity cylindrical, and the protective sheath material is rubber, is provided with the spout on protective sheath one side, and protective sheath one end is provided with the through-hole, and the protective sheath other end is provided with the opening, is provided with closed blade on the through-hole inner wall, infusion needle, including the needle handle, the needle tubing, transfer line, needle handle one side is provided with the plectrum, and needle handle one end is connected with the needle tubing, and the needle handle other end is connected with the transfer line, and the transfer line diameter is less than the diameter of needle handle, and the plectrum is arranged in the spout and is formed sliding connection. The convex fixing ring and the fixing ball arranged in the utility model can provide fixing function in the using and storing state of the transfusion needle; and the closing blade arranged on the through hole can allow the needle tube to pass through the through hole and can also play a role in air tightness when the needle tube is retracted into the protective sleeve, so that the outside air is prevented from polluting the infusion needle.

Description

Transfusion needle and protective sleeve thereof

Technical Field

The utility model belongs to the field of medical equipment, especially, relate to an infusion needle and protective sheath thereof.

Background

When the existing transfusion needle (scalp needle) is pulled out or is damaged after being pulled out, the polluted needle head leaks outside and easily stabs medical staff, so that the propagation risk of blood sexually transmitted diseases is increased, and the health of the medical staff is seriously harmed. The commonly used infusion needle protective sheath does not have limit function for produce easily on the infusion needle and slide and influence medical personnel's operation, the through-hole that the infusion needle stretches out on the protective sheath is the open-type moreover, does not have the closure function, is polluted by the outside air easily when the infusion needle withdraws the protective sheath.

Patent 201921351619.1 discloses a scalp acupuncture protective sheath and scalp acupuncture device, and the scalp acupuncture protective sheath includes the body, is equipped with through-hole, opening, guide way and fixed mouthful on the body, and opening, guide way and fixed mouthful all are linked together with the through-hole, and guide way one end intercommunication opening, other end intercommunication fixed mouthful. The scalp needle device comprises a scalp needle and the scalp needle protective sleeve. The utility model can fix and wrap the scalp needle, prevent the scalp needle from exposing and stabbing the human body, and play a good role in protection. However, only the fixing position for pulling out the inserting sheet when the scalp needle is completely accommodated in the protective sleeve is arranged, the fixing position for pulling out the inserting sheet when the scalp needle extends out of the protective sleeve is not arranged, the scalp needle is easy to slide, and the through hole in the protective sleeve is open and has no airtight function.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an infusion needle and protective sheath thereof can solve the problem that prior art infusion needle is relative unable fixed with the position of needle cover, and needle cover needle pipe wears out the through-hole and does not have the gas tightness to set up.

The utility model discloses a following technical scheme can realize.

The utility model provides an infusion needle and a protective sleeve thereof, which comprises a protective sleeve and an infusion needle, wherein the protective sleeve is hollow cylindrical, the protective sleeve is made of rubber, one side of the protective sleeve is provided with a chute, one end of the protective sleeve is provided with a through hole, the other end of the protective sleeve is provided with an opening, the chute runs through the side surface of the protective sleeve, the inner wall of the through hole is provided with a closed blade, the closed blade is provided with six blades and is enclosed into a circle, infusion needle, including needle handle, needle tubing, the transfer line, needle handle one side is provided with the plectrum, and needle handle one end is connected with the needle tubing, and the needle handle other end is connected with the transfer line, and the transfer line diameter is less than the diameter of needle handle, and the needle handle is arranged in the protective sheath and is formed sliding connection, and the plectrum is arranged in the spout and is formed sliding connection, and plectrum thickness is less than the width of spout, and the plectrum is leaned on needle tubing one end to the distance that needle handle leaned on the one end of needle tubing equals that the spout leans on the one end of through-hole to the distance that the protective sheath was provided with through-hole one end.

Preferably, closing blade one end is provided with recessed arcwall face A, and recessed arcwall face A leans on the position in closing blade middle part to be connected with recessed arcwall face B one end, and the recessed arcwall face B other end is connected with protruding arcwall face.

Preferably, the material of the closing blade is silica gel or rubber.

Preferably, be provided with protruding solid fixed ring on the protective sheath inner wall, protective sheath inner wall middle part is provided with protruding solid fixed ring A, protruding solid fixed ring B, and protective sheath inner wall is provided with protruding solid fixed ring C by opening one side, and protruding solid fixed ring A equals the length of needle handle to the distance that the protective sheath leaned on through-hole one side inner wall, and protruding solid fixed ring B equals the length of needle handle to protruding solid fixed ring C's distance.

Preferably, the inner wall of the sliding chute is provided with fixing balls, the fixing balls are symmetrically arranged on two sides of the inner wall of the sliding chute, and the two symmetrical fixing balls form connection.

Preferably, the fixed balls are a group of every two connected fixed balls, two groups of fixed balls are arranged on the inner wall of the sliding groove, the distance from one group of fixed balls close to one side of the through hole to the end, close to the through hole, of the sliding groove is equal to the width of the shifting piece, and the distance from one group of fixed balls close to one side of the opening to the end, close to the opening, of the sliding groove is equal to the width of the shifting piece.

The beneficial effects of the utility model reside in that:

1. the convex fixing ring and the fixing ball arranged in the utility model can provide fixing function in the using and storing state of the transfusion needle; and the closing blade arranged on the through hole can allow the needle tube to pass through the through hole and can also play a role in air tightness when the needle tube is retracted into the protective sleeve, so that the outside air is prevented from polluting the infusion needle.

2. The utility model discloses preparation is simple, does not relate to complex structure spare part, and raw and other materials are also comparatively common, have better effect after using, are fit for popularizing and applying in the relevant administrative or technical offices of hospital.

Drawings

FIG. 1 is a schematic view of the exterior of the protective cover of the present invention;

FIG. 2 is a schematic structural view of one side of the chute of the protective sheath of the present invention;

fig. 3 is a schematic structural diagram of the region a of the present invention;

FIG. 4 is a cross-sectional view of the through hole of the protective sheath of the present invention;

FIG. 5 is a bottom view of the through hole in the protective cover of the present invention;

fig. 6 is a schematic structural view of the closing blade of the present invention;

fig. 7 is a schematic structural view of the inside of the protective sheath of the present invention;

FIG. 8 is a schematic structural view of the inside of the protection cover in the extended state of the transfusion needle of the present invention;

FIG. 9 is a schematic structural view of the outside of the protection cover in the extended state of the transfusion needle of the present invention;

FIG. 10 is a schematic view of the structure inside the protective cover for the storage state of the infusion needle according to the present invention;

FIG. 11 is a schematic view of the outer structure of the protective cover in the liquid needle storage state according to the present invention;

in the figure: 1-protective sleeve, 11-chute, 12-through hole, 13-opening, 14-convex fixing ring, 141-convex fixing ring A, 142-convex fixing ring B, 143-convex fixing ring C, 15-fixing ball, 2-closing blade, 21-concave arc surface A, 22-concave arc surface B, 23-convex arc surface, 3-transfusion needle, 31-needle handle, 32-shifting piece, 33-needle tube and 34-transfusion tube.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

Example 1:

as shown in figures 1 to 11, an infusion needle and a protective sleeve thereof comprise a protective sleeve 1 and an infusion needle 3, wherein the protective sleeve 1 is hollow cylindrical, the protective sleeve 1 is made of rubber, the protective sleeve 1 is transparent, a chute 11 is arranged on one side of the protective sleeve 1, one end of the protective sleeve 1 is provided with a through hole 12, the other end of the protective sleeve 1 is provided with an opening 13, the chute 11 penetrates through the side surface of the protective sleeve 1, the inner wall of the through hole 12 is provided with a closing blade 2, the closing blade 2 is provided with six blades and is enclosed into a circle, the infusion needle 3 comprises a needle handle 31, a needle tube 33 and an infusion tube 34, one side of the needle handle 31 is provided with a stirring sheet 32, one end of the needle handle 31 is connected with the needle tube 33, the other end of the needle handle 31 is connected with the infusion tube 34, the diameter of the infusion tube 34 is smaller than that of the needle handle 31, the needle handle 31 is arranged in the protective sleeve 1 to form a sliding connection, the stirring sheet 32 is arranged in the chute 11 to form a sliding connection, and the thickness of the stirring sheet 32 is smaller than the width of the chute 11, the distance from the end of the pulling plate 32 close to the needle tube 33 to the end of the needle handle 31 close to the needle tube 33 is equal to the distance from the end of the chute 11 close to the through hole 12 to the end of the protective sleeve 1 provided with the through hole 12.

Closing blade 2 one end is provided with recessed arcwall face A21, and recessed arcwall face A21 leans on the position in closing blade 2 middle part to be connected with recessed arcwall face B22 one end, and the recessed arcwall face B22 other end is connected with protruding arcwall face 23. Concave arc face A21, concave arc face B22's setting plays the effect of guide direction of motion to protruding arc face 23 when needle tubing 33 passes between the multi-disc closing blade 2, reduces the condition emergence that the bad closing blade 2 was taken when needle tubing 33 passed, and the protruding arc face 23 of multi-disc closing blade 2 contacts and plays airtight effect, can prevent that outside air from getting into in protective sheath 1 when protective sheath 1 entangles transfusion needle 3 completely, prevents that transfusion needle 3 from receiving the pollution.

The material of the closing blades 2 is silica gel or rubber, so that the closing blades 2 have certain elasticity, the needle tube 33 can conveniently penetrate through the middle of the multiple closing blades 2, the multiple closing blades 2 can restore to the state of mutual contact after the needle tube 33 does not penetrate through the closing blades 2, and good air tightness is formed.

Be provided with protruding solid fixed ring 14 on the protective sheath 1 inner wall, protective sheath 1 inner wall middle part is provided with protruding solid fixed ring A141, protruding solid fixed ring B142, and protective sheath 1 inner wall is provided with protruding solid fixed ring C143 by opening 13 one side, and protruding solid fixed ring A141 equals the length of needle handle 31 to the distance that protective sheath 1 leaned on one side inner wall of through-hole 12, and protruding solid fixed ring B142 equals the length of needle handle 31 to the distance of protruding solid fixed ring C143. Fixing ring A141 can limit sliding of needle handle 31 in protective cover 1, so that needle handle 31 is in a fixed state in protective cover 1 when infusion needle 3 is in an extended or storage state, and infusion needle 3 can be used better.

The inner wall of the sliding chute 11 is provided with fixing balls 15, the fixing balls 15 are symmetrically arranged on two sides of the inner wall of the sliding chute 11, and the two symmetrical fixing balls 15 are connected. The fixed balls 15 are a group of every two connected fixed balls 15, two groups of fixed balls 15 are arranged on the inner wall of the sliding chute 11, the distance from one group of fixed balls 15 close to one side of the through hole 12 to one end of the sliding chute 11 close to the through hole 12 is equal to the width of the shifting piece 32, and the distance from one group of fixed balls (15) close to one side of the opening 13 to one end of the sliding chute 11 close to the opening (13) is equal to the width of the shifting piece (32). Fixing ball 15 may limit sliding movement of paddle 32 on chute 11, such that paddle 32 is fixed to chute 11 in the extended or retracted state of infusion needle 3.

Claims

1. An infusion needle and a protective sleeve thereof are characterized in that: comprises a protective sleeve (1), an infusion needle (3), the protective sleeve (1) is hollow cylindrical, the protective sleeve (1) is made of rubber, a sliding groove (11) is arranged on one side of the protective sleeve (1), a through hole (12) is arranged at one end of the protective sleeve (1), an opening (13) is arranged at the other end of the protective sleeve (1), the sliding groove (11) penetrates through the side surface of the protective sleeve (1), a closing blade (2) is arranged on the inner wall of the through hole (12), six closing blades (2) are arranged and enclose into a circle, the infusion needle (3) comprises a needle handle (31), a needle tube (33) and an infusion tube (34), a shifting piece (32) is arranged on one side of the needle handle (31), one end of the needle handle (31) is connected with the needle tube (33), the other end of the needle handle (31) is connected with the infusion tube (34), the diameter of the infusion tube (34) is smaller than that of the needle handle (31), and the needle handle (31) is arranged in the protective sleeve (1) to form a sliding connection, the shifting piece (32) is arranged in the sliding groove (11) to form sliding connection, the thickness of the shifting piece (32) is smaller than the width of the sliding groove (11), and the distance from one end, close to the needle tube (33), of the shifting piece (32) to one end, close to the needle tube (33), of the needle handle (31) is equal to the distance from one end, close to the through hole (12), of the sliding groove (11) to one end, provided with the through hole (12), of the protective sleeve (1).

2. The infusion needle and the protective sheath thereof as claimed in claim 1, wherein: closing blade (2) one end is provided with recessed arc face A (21), and recessed arc face A (21) lean on the position in closing blade (2) middle part to be connected with recessed arc face B (22) one end, and recessed arc face B (22) other end is connected with protruding arc face (23).

3. The infusion needle and the protective sheath thereof as claimed in claim 2, wherein: the closing blades (2) are made of silica gel or rubber.

4. The infusion needle and the protective sheath thereof as claimed in claim 1, wherein: be provided with protruding solid fixed ring (14) on protective sheath (1) inner wall, protective sheath (1) inner wall middle part is provided with protruding solid fixed ring A (141), protruding solid fixed ring B (142), protective sheath (1) inner wall is provided with protruding solid fixed ring C (143) by opening (13) one side, protruding solid fixed ring A (141) to protective sheath (1) lean on the through-hole (12) one side distance of inner wall to equal the length of needle handle (31), protruding solid fixed ring B (142) to protruding solid fixed ring C (143) the distance equal the length of needle handle (31).

5. The infusion needle and the protective sheath thereof as claimed in claim 1, wherein: the inner wall of the sliding groove (11) is provided with fixing balls (15), the fixing balls (15) are symmetrically arranged on two sides of the inner wall of the sliding groove (11), and the two symmetrical fixing balls (15) are connected.

6. The infusion needle and the protective sheath thereof as claimed in claim 5, wherein: fixed ball (15), fixed ball (15) of per two connections are a set of, are provided with two sets of fixed balls (15) on spout (11) inner wall, lean on a set of fixed ball (15) of through-hole (12) one side to spout (11) to lean on the distance of through-hole (12) one end to equal the width of plectrum (32), lean on a set of fixed ball (15) of opening (13) one side to spout (11) to lean on the distance of opening (13) one end to equal the width of plectrum (32).