CN212186642U - Internal fistula puncture needle with side branch - Google Patents

Internal fistula puncture needle with side branch Download PDF

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Publication number
CN212186642U
CN212186642U CN202020405725.XU CN202020405725U CN212186642U CN 212186642 U CN212186642 U CN 212186642U CN 202020405725 U CN202020405725 U CN 202020405725U CN 212186642 U CN212186642 U CN 212186642U
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CN
China
Prior art keywords
needle
sleeve
connecting plate
internal fistula
wing
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020405725.XU
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Chinese (zh)
Inventor
曹小云
陈群菊
严文静
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Affiliated Hospital of Jiangnan University
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Affiliated Hospital of Jiangnan University
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Priority to CN202020405725.XU priority Critical patent/CN212186642U/en
Application granted granted Critical
Publication of CN212186642U publication Critical patent/CN212186642U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a take internal fistula pjncture needle of collateral branch relates to internal fistula pjncture needle technical field, including the needle wing, connect, syringe needle and needle tubing, the syringe needle connect the needle wing with connect gradually between the needle tubing, the needle tubing includes main lateral tube and collateral branch pipe, main lateral tube with fixed intercommunication between the collateral branch pipe, the surface of needle wing is connected with through coupling mechanism and prevents stinging the mechanism, it includes the sleeve to prevent stinging the mechanism, telescopic internal diameter is greater than the diameter of syringe needle. The utility model discloses, through the cooperation between the above-mentioned isotructure, possessed the mode of pressing down through the limit wrench movement limit for the muffin is at the needle point portion of syringe needle, thereby makes the syringe needle be difficult to stab medical personnel, and main branch pipe and collateral branch pipe through the integral type setting, and then when the vein end uses, because of increasing the passageway of a fluid infusion benefit medicine, thereby saved the trouble that connects the three-way pipe, and then reduced the chance of infecting.

Description

Internal fistula puncture needle with side branch
Technical Field
The utility model relates to an internal fistula pjncture needle technical field specifically is an internal fistula pjncture needle of taking collateral branch.
Background
For example, the utility model discloses a puncture-proof internal fistula puncture needle disclosed in chinese patent CN201920177257.2, which comprises two symmetrical needle wings, wherein the front ends of the needle wings are provided with joints, the joints are provided with needles, and a control box is arranged above the needle wings; this prevent acupuncture internal fistula pjncture needle is through the control box that is equipped with, the protection tube, the slider, a spring, buckle and fixture block, make this pjncture needle after using, the user of service can direct press the switch, the protection tube pops out and overlaps on the syringe needle this moment, the syringe needle that is lived by the protection tube can effectually prevent that the syringe needle from stabbing medical personnel, avoided medical personnel to receive the risk of infecting, the design of fixture block and buckle simultaneously, make medical personnel one hand when extracting the needle, another hand can push down the switch simultaneously and pop out the protection tube, the medical personnel's of being convenient for operation, this design is simple easy to operate, higher practicality has been solved, the very necessary problem of the internal fistula pjncture needle of preventing the acupuncture.
But when utilizing the spring to pop out the protection tube in this scheme, produce the impact force to the syringe needle easily, make then that the blood on the syringe needle takes place to splash night to influence the sanitation around the syringe needle, and the needle tubing in this scheme adopts single formula pipeline, and then when increasing a fluid infusion benefit medicine passageway, need external three-way pipe, its external process is comparatively troublesome.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take internal fistula pjncture needle of collateral branch, the mode of pressing on through limit wrench movement limit has been possessed, make the muffjoint at the needle point portion of syringe needle, thereby make the syringe needle be difficult to stab medical personnel, and main branch pipe and collateral branch pipe through the integral type setting, and then when the vein end uses, because of increasing the passageway of a fluid infusion benefit medicine, thereby the trouble of connecing the three-way pipe has been saved, and then the chance of infecting has been reduced, when utilizing the spring to pop out the protection tube among the prior art, produce the impact force to the syringe needle easily, then make the blood on the syringe needle take place to splash night, thereby influence the sanitation around the syringe needle, and the needle tubing among the prior art adopts single formula pipeline, and then when increasing a fluid infusion benefit medicine passageway, need external three-way pipe, its external process is comparatively troublesome problem.
In order to achieve the above object, the utility model provides a following technical scheme: take internal fistula pjncture needle of collateral branch, including the needle wing, connect, syringe needle and needle tubing, the syringe needle connect the needle wing with connect gradually between the needle tubing, the needle tubing includes main lateral canal and collateral branch pipe, main lateral canal with fixed intercommunication between the collateral branch pipe.
The surface of the needle wing is connected with a puncture-proof mechanism through a connecting mechanism.
The puncture preventing mechanism comprises a sleeve, and the inner diameter of the sleeve is larger than the diameter of the needle.
Preferably, coupling mechanism includes L style of calligraphy connecting plate and connecting plate, L style of calligraphy connecting plate fixed connection be in the surface of needle wing, the spout has been seted up on the surface of L style of calligraphy connecting plate, the fixed surface of connecting plate is connected with the traveller, traveller sliding connection be in the inslot of spout, the connecting plate is kept away from the one end of L style of calligraphy connecting plate pass through rotating assembly with rotate between the sleeve and be connected.
Preferably, the rotating assembly comprises a sleeve block and a concave ring, the concave ring is arranged on the wall of the sleeve, the sleeve block is sleeved on the wall of the sleeve through the concave ring, and the outer surface of the sleeve block is fixedly connected with one end, far away from the L-shaped connecting plate, of the connecting plate.
Preferably, the connecting mechanism further comprises a bump and a groove, the bump is fixedly connected to the surface of the needle wing, the groove is formed in the lower surface of the connecting plate, and the specification of the groove is matched with that of the bump.
Preferably, a soft rubber block is fixedly connected in the sleeve, a jack is formed in one side, facing the sleeve opening, of the soft rubber block, and the aperture of the jack is smaller than the diameter of the needle.
Preferably, the main branch pipe and the side branch pipe are integrally arranged.
Compared with the prior art, the beneficial effects of the utility model are as follows:
firstly, the utility model, through the integrally arranged main branch pipe and side branch pipe, on one hand, when the device is used at the vein end, the trouble of connecting the three-way pipe is saved and the chance of infection is reduced due to the addition of a channel for fluid infusion and drug infusion; on the other hand makes when arterial end uses, and the patient that specially adapted internal arterial fistula blood vessel pressure is big, relies on the unable blood of arterial end of gravity to return, to the too big patient of internal fistula pressure, can be connected to side branch pipe department with the transfusion system of normal saline.
Two, the utility model discloses a sleeve, L style of calligraphy connecting plate, spout, traveller, soft rubber piece and the jack that sets up, through establishing the needle point portion at the syringe needle with the sleeve cover to the needle point portion of syringe needle is lived to parcel through soft rubber piece, thereby the syringe needle is difficult to the stab medical personnel.
Thirdly, the utility model discloses a nested piece and the concave circle that set up, through the cooperation of cup jointing between nested piece and the concave circle, medical personnel can press the sleeve limit and wrench movement sleeve for the needle point of syringe needle is in more smooth and easy the drawing-in jack.
Fourthly, the utility model discloses a lug and the recess that set up connect into the inslot of recess through the lug lock to the rotation of connecting plate has been restricted, has avoided influencing the process of puncture because of the removal of connecting plate.
Drawings
Fig. 1 is a front view of the structure of the present invention;
FIG. 2 is a state diagram of the structure of the sleeve of the present invention covering the rear of the needle;
FIG. 3 is a cross-sectional view of the structure of FIG. 2 taken along line A-A in accordance with the present invention;
FIG. 4 is an enlarged view of the structure B of FIG. 3 according to the present invention;
fig. 5 is a front sectional view of the partial structure of the present invention.
In the figure: 1-needle wing, 2-joint, 3-needle head, 4-needle tube, 5-main branch tube, 6-side branch tube, 7-sleeve, 8-L-shaped connecting plate, 9-connecting plate, 10-sliding chute, 11-sliding column, 12-sleeve block, 13-concave ring, 14-soft rubber block, 15-jack, 16-convex block and 17-groove.
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.
Referring to fig. 1 to 5, the present invention provides a technical solution: the internal fistula puncture needle with the side branches comprises a needle wing 1, a connector 2, a needle head 3 and a needle tube 4, wherein the needle head 3, the connector 2, the needle wing 1 and the needle tube 4 are sequentially connected, the connection modes of the needle head 3, the connector 2, the needle wing 1 and the needle tube 4 can refer to the contents disclosed in the first row and the fifth section of the fourth section in the specific implementation mode of the background art comparison document specification, the needle tube 4 comprises a main branch tube 5 and a side branch tube 6, and the main branch tube 5 is fixedly communicated with the side branch tube 6.
The surface of the needle wing 1 is connected with a puncture-proof mechanism through a connecting mechanism.
Prevent stinging mechanism includes sleeve 7, and the internal diameter of sleeve 7 is greater than the diameter of syringe needle 3, through establishing sleeve 7 cover at the needle point portion of syringe needle 3 to syringe needle 3 is difficult to stab medical personnel.
Coupling mechanism includes L style of calligraphy connecting plate 8 and connecting plate 9, 8 fixed connection of L style of calligraphy connecting plate are on the surface of needle wing 1, spout 10 has been seted up on the surface of L style of calligraphy connecting plate 8, the fixed surface of connecting plate 9 is connected with traveller 11, traveller 11 sliding connection is at the inslot of spout 10, the one end that L style of calligraphy connecting plate 8 was kept away from to connecting plate 9 is passed through rotating assembly and is connected with rotating between the sleeve 7, through the sliding fit between traveller 11 and the spout 10, make connecting plate 9 rotate and the displacement.
The rotating assembly comprises a sleeve block 12 and a concave ring 13, the concave ring 13 is arranged on the cylinder wall of the sleeve 7, the sleeve block 12 is sleeved on the cylinder wall of the sleeve 7 through the concave ring 13, the outer surface of the sleeve block 12 and one end of the connecting plate 9 far away from the L-shaped connecting plate 8 are fixedly connected, and through the sleeved matching between the sleeve block 12 and the concave ring 13, medical workers can press the sleeve 7 and twist the sleeve 7 at the same time, so that the needle point of the needle head 3 can more smoothly penetrate through the jack 15.
The connecting mechanism further comprises a convex block 16 and a groove 17, the convex block 16 is fixedly connected to the surface of the needle wing 1, the groove 17 is formed in the lower surface of the connecting plate 9, the specification of the groove 17 is matched with that of the convex block 16, and the convex block 16 is buckled and connected into a groove of the groove 17 by combining with the structure shown in the figure 1, the figure 2 and the figure 4, so that the rotation of the connecting plate 9 is limited, and the phenomenon that the puncture process is influenced due to the movement of the connecting plate 9 is avoided.
Fixedly connected with soft rubber block 14 in the section of thick bamboo of sleeve 7, jack 15 has been seted up towards one side of sleeve 7 tube socket to soft rubber block 14, and the aperture of jack 15 is less than the diameter of syringe needle 3, lives the needle point portion of syringe needle 3 through the parcel of soft rubber block 14 to syringe needle 3 is difficult to stab medical personnel.
The main branch pipe 5 and the side branch pipe 6 are integrally arranged, and the main branch pipe 5 and the side branch pipe 6 are integrally arranged, so that on one hand, when the intravenous infusion set is used at a vein end, a channel for fluid infusion and drug infusion is added, the trouble of connecting a three-way pipe is omitted, and the chance of infection is reduced; on the other hand makes when arterial end uses, and the patient that especially adapted internal arterial fistula blood vessel pressure is big, relies on the unable blood of artery end of gravity to return, to the too big patient of internal fistula pressure, can be connected to side branch pipe 6 department with the transfusion system of normal saline.
The working principle is as follows: when a user needs to pull out the puncture needle, the user firstly presses the puncture part with one hand, then the user slowly pulls out the puncture needle with the other hand, when the needle head 3 is separated from the skin of a patient, as shown in fig. 1, a medical worker rotates the sleeve 7 by twisting the sleeve 7, the sleeve 7 rotates by taking the sliding column 11 as the center of a circle, then the sleeve 7 is aligned with the needle head 3, then the sleeve 7 is pressed towards the direction of the needle head 3, the sleeve 7 is sleeved at the needle point of the needle head 3, in the process, the sleeve 7 can be twisted by pressing the sleeve 7 by the medical worker through the sleeve connection and matching between the sleeve block 12 and the concave ring 13, the needle point of the needle head 3 can more smoothly pass through the jack 15, then the needle point of the needle head 3 can be firmly wrapped by the elastic force of the soft rubber block 14, the needle tube 3 is difficult to stab medical workers, and finally the medical worker pulls out the needle tube 4, and throws the wings 1, tabs 2 and needles 3, and together with the treatment towel, into a yellow trash bag.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Take internal fistula pjncture needle of collateral branch, including needle wing (1), joint (2), syringe needle (3) and needle tubing (4), syringe needle (3) connect (2) needle wing (1) with connect gradually its characterized in that between needle tubing (4): the needle tube (4) comprises a main branch tube (5) and a side branch tube (6), and the main branch tube (5) is fixedly communicated with the side branch tube (6);
the surface of the needle wing (1) is connected with an anti-prick mechanism through a connecting mechanism;
the puncture-proof mechanism comprises a sleeve (7), and the inner diameter of the sleeve (7) is larger than the diameter of the needle (3).
2. The internal fistula puncture needle with a collateral according to claim 1, wherein: coupling mechanism includes L style of calligraphy connecting plate (8) and connecting plate (9), L style of calligraphy connecting plate (8) fixed connection be in the surface of needle wing (1), spout (10) have been seted up on the surface of L style of calligraphy connecting plate (8), the fixed surface of connecting plate (9) is connected with traveller (11), traveller (11) sliding connection be in the inslot of spout (10), connecting plate (9) are kept away from the one end of L style of calligraphy connecting plate (8) pass through rotating assembly with rotate between sleeve (7) and connect.
3. The internal fistula puncture needle with a collateral according to claim 2, wherein: the rotating assembly comprises a sleeve block (12) and a concave ring (13), the concave ring (13) is arranged on the cylinder wall of the sleeve (7), the sleeve block (12) is sleeved on the cylinder wall of the sleeve (7) through the concave ring (13), and the outer surface of the sleeve block (12) is fixedly connected with one end, far away from the L-shaped connecting plate (8), of the connecting plate (9).
4. An internal fistula puncture needle with a collateral according to claim 2 or 3, characterized in that: the connecting mechanism further comprises a convex block (16) and a groove (17), the convex block (16) is fixedly connected to the surface of the needle wing (1), the groove (17) is formed in the lower surface of the connecting plate (9), and the specification of the groove (17) is matched with the specification of the convex block (16).
5. The sidebranch-equipped internal fistula puncture needle according to claim 4, wherein: the flexible rubber block (14) is fixedly connected in the sleeve of the sleeve (7), the flexible rubber block (14) faces one side of the sleeve opening of the sleeve (7), and a jack (15) is formed in the hole diameter of the jack (15) and is smaller than the diameter of the needle head (3).
6. The sidebranch-equipped internal fistula puncture needle according to claim 4, wherein: the main branch pipe (5) and the side branch pipes (6) are integrally arranged.
CN202020405725.XU 2020-03-26 2020-03-26 Internal fistula puncture needle with side branch Expired - Fee Related CN212186642U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020405725.XU CN212186642U (en) 2020-03-26 2020-03-26 Internal fistula puncture needle with side branch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020405725.XU CN212186642U (en) 2020-03-26 2020-03-26 Internal fistula puncture needle with side branch

Publications (1)

Publication Number Publication Date
CN212186642U true CN212186642U (en) 2020-12-22

Family

ID=73824644

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020405725.XU Expired - Fee Related CN212186642U (en) 2020-03-26 2020-03-26 Internal fistula puncture needle with side branch

Country Status (1)

Country Link
CN (1) CN212186642U (en)

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Granted publication date: 20201222