CN214713701U

CN214713701U - Remaining needle device for preventing blood return

Info

Publication number: CN214713701U
Application number: CN202023262365.1U
Authority: CN
Inventors: 张建林
Original assignee: Nantong Hengtai Medical Apparatus Co ltd
Current assignee: Nantong Hengtai Medical Apparatus Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-16
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to a keep somewhere needle technical field, concretely relates to prevent to keep somewhere needle device of blood that returns, the device comprises a device main body, the device main part includes the adapter tube, the sealing plug has been filled in on the top of adapter tube, the fixed plate is installed in the top integration of sealing plug, the all fixedly connected with connecting plates in both sides of fixed plate bottom, firm subassembly is all installed to the inside both sides of adapter tube, firm subassembly includes the recess, the recess is seted up in the inside both sides of adapter tube, the inside fixedly connected with spring of recess, the one end fixed mounting of spring has the fixture block, logical groove has all been seted up to one side of connecting plate. The utility model discloses a be provided with firm subassembly, the sealing plug is plugged in after the joint intraduct, and the effort of spring acts on the fixture block, and the fixture block can block to advance to lead to the inslot, leads to the groove and has played spacing effect, and the effort cooperation of rethread spring makes the fixture block can not extract from leading to the groove easily to make the sealing plug can not follow and connect intraductal coming off easily.

Description

Remaining needle device for preventing blood return

Technical Field

The utility model relates to an indwelling needle technical field specifically is a prevent blood return's indwelling needle device.

Background

The basic principle of the existing method is that a thin outer sleeve like a puncture needle is sleeved on a needle core of the indwelling needle and can be punctured into the blood vessel along with the needle core of the indwelling needle, the outer sleeve is made of medical-grade special materials and is thin and soft without influencing the injection of the medicament, and after the needle core of the indwelling needle punctures the blood vessel, the outer sleeve is left in the blood vessel and the needle core of the indwelling needle withdraws.

However, in the prior art, after the indwelling needle is used up, the external infusion end interface needs to be blocked and sealed to avoid bacterial infection, and the movable plug is usually used for blocking, but the current movable plug is unstable in blocking and is easy to loosen and get off, so that potential safety hazards are easily caused, and therefore, the indwelling needle device for preventing blood return needs to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent back blood keep somewhere needle device to it need block up external infusion end kneck and seal to use the back when keeping somewhere the needle and using out to put forward in the solution above-mentioned background art, in order to avoid bacterial infection, uses the activity to fill up usually and blocks up, but the insecure of present activity stopper jam, takes off easily and takes off, easily causes the problem of potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent back blood's needle device that keeps somewhere, includes the device main part, the device main part includes the adapter tube, the sealing plug has been filled in on the top of adapter tube, the fixed plate is installed in the top integration of sealing plug, the equal fixedly connected with connecting plate in both sides of fixed plate bottom, firm subassembly is all installed to the inside both sides of adapter tube, firm subassembly includes the recess, the recess is seted up in the inside both sides of adapter tube, the inside fixedly connected with spring of recess, the one end fixed mounting of spring has the fixture block, logical groove has all been seted up to one side of connecting plate, the bottom fixedly connected with communicating pipe of adapter tube.

Preferably, one side of the fixing plate is fixedly connected with two fixing rings.

Preferably, the bottom fixedly connected with transfer line of communicating pipe, the surface of transfer line is pasted and is installed warm precious subsides, the top and the bottom of warm precious subsides are pasted and are installed first scotch tape, the one end of keeping away from each other of first scotch tape all pastes the installation with the one side of transfer line.

Preferably, the one end fixed mounting that the joint pipe was kept away from to the transfer line has syringe needle installation pipe, the equal fixed mounting in both sides of syringe needle installation pipe has the slide rail, the inside slidable mounting of slide rail has first slider, one side fixedly connected with connecting rod of first slider, the surface mounting of syringe needle installation pipe has the protective cover, the one end of connecting rod and the inner wall fixed connection of protective cover, the kerve has been seted up to the bottom of protective cover, the equal fixedly connected with rubber strip in both sides of slide rail bottom syringe needle installation pipe.

Preferably, a second transparent adhesive tape is wound and adhered on the surface of the infusion tube close to the first transparent adhesive tape.

Preferably, the sliding grooves are formed in the two sides of the inner portion of the groove, the second sliding blocks are arranged in the sliding grooves in a sliding mode, and the two sides of each clamping block are fixedly connected with the second sliding blocks.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through being provided with firm subassembly, the sealing plug is plugged in inside the joint pipe after, the effort of spring acts on the fixture block, the fixture block can block into in the logical groove, logical groove has played spacing effect, the effort cooperation of rethread spring makes the fixture block can not extract from leading to the groove easily to make the sealing plug can not follow the joint intraduct and drop easily, improved barrier propterty, the insecure of the activity stopper jam of having solved present remaining needle, the easy pine takes off gets off, easily causes the problem of potential safety hazard.

2. Through being provided with the protective cover, the rubber strip takes place deformation to the card is inside leading to the groove, makes the protective cover can not follow the syringe needle and installs the pipe and drop, and the protective cover covers the syringe needle, makes when letting into the garbage bin after keeping somewhere the needle and using up, keeps somewhere the syringe needle on the needle and can not prick the disposal bag, simultaneously, in order to avoid the syringe needle to expose the problem that causes the potential safety hazard in the air, has further improved barrier propterty.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic view of the joint pipe structure according to the present invention, partially enlarged in front view and cross-section;

fig. 3 is a schematic bottom sectional view of the structure a-a of fig. 1 according to the present invention;

FIG. 4 is a schematic view of the needle mounting tube according to the present invention, partially enlarged in front view;

fig. 5 is a schematic enlarged view of a part of the structure at B in fig. 2 according to the present invention.

In the figure: 100. a device main body; 110. a joint pipe; 111. a sealing plug; 112. a fixing plate; 113. a connecting plate; 114. a fixing ring; 115. a communicating pipe; 116. a warming patch; 117. a first scotch tape; 118. a second scotch tape; 119. a needle mounting tube; 120. a slide rail; 121. a first slider; 122. a connecting rod; 123. a protective cover; 124. a bottom groove; 125. a rubber strip; 126. a transfusion tube; 200. a stabilizing assembly; 210. a groove; 211. a spring; 212. a clamping block; 213. a through groove; 214. a chute; 215. and a second slider.

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. 1-5, the present invention provides an embodiment:

an indwelling needle device for preventing blood return comprises a device main body 100, the device main body 100 comprises a joint pipe 110, a sealing plug 111 is plugged into the top end of the joint pipe 110, a fixing plate 112 is integrally installed on the top end of the sealing plug 111, a connecting plate 113 is fixedly connected to both sides of the bottom end of the fixing plate 112, a stabilizing component 200 is installed on both sides of the interior of the joint pipe 110, the stabilizing component 200 comprises a groove 210, the groove 210 is formed in both sides of the interior of the joint pipe 110, a spring 211 is fixedly connected to the interior of the groove 210, a fixture block 212 is fixedly installed at one end of the spring 211, a through groove 213 is formed in one side of the connecting plate 113, a communicating pipe 115 is fixedly connected to the bottom end of the joint pipe 110, after the joint pipe 110 is plugged into the interior of the joint pipe, the acting force of the spring 211 acts on the fixture block 212, the fixture block 212 can be clamped into the through groove 213, the through groove 213 plays a limiting role, and then is matched with the acting force of the spring 211, the clamping block 212 can not be easily pulled out from the through groove 213, so that the sealing plug 111 can not easily fall off from the interior of the joint pipe 110, the protection performance is improved, and the problems that the movable plug of the existing indwelling needle is not firm in blocking and easy to loosen and fall off, and potential safety hazards are easily caused are solved.

Furthermore, one side of the fixing plate 112 is fixedly connected with two fixing rings 114, the number of the fixing rings 114 is two, the two fixture blocks 212 are simultaneously pressed towards the inside of the groove 210, the fixture blocks 212 are retracted into the groove 210, the fixture blocks 212 are separated from the limit of the through grooves 213, the two fixing rings 114 are pulled, the fixing plate 112 is pulled upwards, the sealing plug 111 can be pulled out from the inside of the joint pipe 110, and a worker pulls the fixing rings 114 to pull the sealing plug 111 upwards, so that the worker can apply force to the fixing plate 112 to pull out the sealing plug 111.

Further, the bottom fixedly connected with transfer line 126 of communicating pipe 115, warm precious subsides 116 are installed in pasting on the surface of transfer line 126, first scotch tape 117 is installed in pasting on the top of warm precious subsides 116 and the bottom, the one end of keeping away from each other of first scotch tape 117 all pastes the installation with the one side of transfer line 126, warm precious subsides 116 and first scotch tape 117 paste the back on transfer line 126, warm precious subsides 116 can generate heat, the temperature of the liquid medicine that passes through in the messenger transfer line 126 is comparatively mild, and convenient use.

Further, a needle mounting tube 119 is fixedly mounted at an end of the infusion tube 126 away from the adapter tube 110, a slide rail 120 is fixedly mounted on both sides of the needle mounting tube 119, a first slider 121 is slidably mounted inside the slide rail 120, a connecting rod 122 is fixedly connected to one side of the first slider 121, a protective cover 123 is mounted on a surface of the needle mounting tube 119, one end of the connecting rod 122 is fixedly connected to an inner wall of the protective cover 123, a bottom groove 124 is formed at a bottom end of the protective cover 123, a rubber strip 125 is fixedly connected to both sides of the needle mounting tube 119 at the bottom of the slide rail 120, the protective cover 123 is made of a transparent plastic material, the protective cover 123 is sleeved on an outer surface of the needle mounting tube 119 to enable the first slider 121 to slide into the slide rail 120 by aligning with the slide rail, the rubber strip 125 is made of a rubber material and has a certain flexibility, when the rubber strip 125 passes through the bottom groove 124, the rubber strip 125 is deformed and is clamped inside the bottom groove 124, so that the protective cover 123 cannot fall off from the needle mounting tube 119, the protective cover 123 covers the needle head, so that when the remaining needle is thrown into the garbage can after being used up, the needle head on the remaining needle cannot puncture the garbage bag, and meanwhile, the problem of potential safety hazard caused by the fact that the needle head is exposed in the air is avoided, and the protective performance is further improved.

Furthermore, a second transparent adhesive tape 118 is wound and adhered on the surface of the infusion tube 126 close to the first transparent adhesive tape 117, and the second transparent adhesive tape 118 can ensure that the first transparent adhesive tape 117 cannot fall off from the infusion tube 126, so that the warmer 116 is firmer.

Furthermore, sliding grooves 214 are formed in two sides of the inside of the groove 210, a second sliding block 215 is slidably mounted inside the sliding groove 214, two sides of the fixture block 212 are fixedly connected with the second sliding block 215, and the second sliding block 215 slides inside the sliding groove 214, so that the fixture block 212 can move stably, the fixture block 212 is prevented from being inclined when being pressed, and therefore a worker can operate the fixture block 212 conveniently.

The working principle is as follows: during the use, sealing plug 111 is plugged into inside the adapter tube 110 after, the effort of spring 211 acts on fixture block 212, fixture block 212 can block in through groove 213, through groove 213 has played spacing effect, rethread spring 211's effort cooperation, make fixture block 212 can not pull out from through groove 213 easily to make sealing plug 111 can not follow the inside easy drop of adapter tube 110, improved barrier propterty, solved the insecure of the activity stopper jam of present indwelling needle, the easy pine gets off, easily causes the problem of potential safety hazard. Protective cover 123 is transparent plastic material, cover protective cover 123 at syringe needle installation pipe 119 surface, make first slider 121 aim at slide rail 120 and slide in, rubber strip 125 is made for the rubber material, certain compliance has, when rubber strip 125 passes kerve 124, rubber strip 125 takes place deformation, and the card is inside kerve 124, make protective cover 123 can not drop from syringe needle installation pipe 119, protective cover 123 covers the syringe needle, when making to keep somewhere the syringe needle and lose into the garbage bin after the needle is used up, the syringe needle of keeping somewhere on the needle can not prick the disposal bag, and simultaneously, in order to avoid the syringe needle to expose the problem that causes the potential safety hazard in the air, further the barrier propterty has been improved.

When the sealing plug 111 needs to be pulled out of the joint pipe 110, the two fixture blocks 212 are simultaneously pressed towards the inside of the groove 210, so that the fixture blocks 212 are retracted into the groove 210, the fixture blocks 212 are separated from the limit of the through grooves 213, then the two fixing rings 114 are pulled, the fixing plate 112 is pulled upwards, the sealing plug 111 can be pulled out of the joint pipe 110, a worker pulls the fixing rings 114 to pull the sealing plug 111 upwards, the worker can apply force to the fixing plate 112 to pull the sealing plug 111 out, the second sliding block 215 slides in the sliding groove 214, the fixture blocks 212 can move stably, the situation that the fixture blocks 212 are inclined when being pressed is avoided, the worker can conveniently operate the fixture blocks 212, after the warmer sticker 116 and the first transparent adhesive tape 117 are pasted on the infusion pipe 126, the warmer sticker 116 can generate heat, the temperature of liquid medicine passing through the infusion pipe 126 is mild, and the use is convenient.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An indwelling needle device for preventing blood return, comprising a device body (100), characterized in that: the device main part (100) is including joint pipe (110), sealing plug (111) has been filled in on the top of joint pipe (110), fixed plate (112) are installed to the top integration of sealing plug (111), all fixedly connected with connecting plate (113) in both sides of fixed plate (112) bottom, firm subassembly (200) are all installed to the inside both sides of joint pipe (110), firm subassembly (200) are including recess (210), the both sides inside joint pipe (110) are seted up in recess (210), the inside fixedly connected with spring (211) of recess (210), the one end fixed mounting of spring (211) has fixture block (212), logical groove (213) have all been seted up to one side of connecting plate (113), the bottom fixedly connected with communicating pipe (115) of joint pipe (110).

2. The indwelling needle device for preventing blood return according to claim 1, wherein: one side of the fixing plate (112) is fixedly connected with two fixing rings (114), and the number of the fixing rings (114) is two.

3. The indwelling needle device for preventing blood return according to claim 1, wherein: the bottom fixedly connected with transfer line (126) of communicating pipe (115), the surface of transfer line (126) is pasted and is installed warm precious subsides (116), the top and the bottom of warm precious subsides (116) are pasted and are installed first scotch tape (117), the one end of keeping away from each other of first scotch tape (117) all pastes the installation with the one side of transfer line (126).

4. The indwelling needle device for preventing blood return according to claim 3, wherein: the one end fixed mounting that connects pipe (110) is kept away from in transfer line (126) has syringe needle installation pipe (119), the both sides of syringe needle installation pipe (119) all fixed mounting have slide rail (120), the inside slidable mounting of slide rail (120) has first slider (121), one side fixedly connected with connecting rod (122) of first slider (121), the surface mounting of syringe needle installation pipe (119) has protective cover (123), the inner wall fixed connection of the one end of connecting rod (122) and protective cover (123), kerve (124) have been seted up to the bottom of protective cover (123), the both sides of slide rail (120) bottom syringe needle installation pipe (119) all fixedly connected with rubber strip (125).

5. The indwelling needle device for preventing blood return according to claim 3, wherein: the surface of the infusion tube (126) close to the first transparent adhesive tape (117) is wound and adhered with a second transparent adhesive tape (118).

6. The indwelling needle device for preventing blood return according to claim 1, wherein: the inside both sides of recess (210) all seted up spout (214), the inside slidable mounting of spout (214) has second slider (215), the both sides of fixture block (212) all with second slider (215) fixed connection.