CN219646426U

CN219646426U - Puncture-preventing remaining needle with protection function

Info

Publication number: CN219646426U
Application number: CN202222980005.8U
Authority: CN
Inventors: 盛玉洁
Original assignee: Shengguang Medical Instrument Co ltd
Current assignee: Shengguang Medical Instrument Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-09-08
Anticipated expiration: 2032-11-09

Abstract

The utility model relates to the technical field of indwelling needles, in particular to an anti-puncture indwelling needle with a protection function, which comprises an extension tube, wherein a connecting interface is fixedly arranged at one end of the extension tube, a connecting three-way tube is fixedly arranged at the other end of the extension tube, an outer sleeve is fixedly arranged at the end part of the connecting three-way tube, a needle core is inserted into the connecting three-way tube, a needle holding handle is fixedly arranged at the end part of the connecting three-way tube, a protection mechanism is arranged at one side of the connecting three-way tube, the protection mechanism comprises a connecting plate, and the connecting plate is arranged at one side of the connecting three-way tube far away from the extension tube; and a locking mechanism is arranged outside the connecting three-way pipe. When the device is used for taking down the needle core, the end part of the needle core can be timely protected, the needle core is prevented from being scratched by people, and the needle core does not need to be additionally operated during protection, so that the device is more convenient and safer to use.

Description

Puncture-preventing remaining needle with protection function

Technical Field

The utility model relates to the technical field of indwelling needles, in particular to an anti-puncture indwelling needle with a protection function.

Background

The indwelling needle mainly comprises a stainless steel core, a soft outer sleeve and a plastic needle seat, when the indwelling needle is used, the outer sleeve and the needle core are penetrated into a blood vessel together, after the sleeve is sent into the blood vessel, the needle core can be pulled out, and only the soft outer sleeve is left in the blood vessel, so that pain of an infant patient caused by repeated venipuncture and fear of the needle injection can be reduced, and clinical medication is facilitated.

Because when using, need take needle handle and nook closing member out, the nook closing member can directly expose in the outside this moment, if untimely protect it, can make the nook closing member tip with people's fish tail, and generally all be provided with safeguard function on the current device, secondly connect the interface and generally all adopt the sticky tape to fix, can not carry out repetitious usage when the sticky tape is fixed to it is taking off, also can bring certain uncomfortable to give people, consequently need a prevent stabbing detained needle with safeguard function to solve above-mentioned problem.

Disclosure of Invention

In order to overcome the technical problems described above, the present utility model aims to provide an anti-puncture indwelling needle with a protection function, so as to solve the problems that when the needle is used in the above-mentioned background art, the needle holder and the needle core need to be pulled out, and the needle core is directly exposed outside, if the needle core is not timely protected, the end of the needle core may scratch people, and the protection function is not generally provided on the existing device.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an prevent stabbing remaining needle with safeguard function, includes the extension pipe, fixedly mounted has the connection interface on the one end of extension pipe, and fixedly mounted has the connection tee bend on the other end of extension pipe, fixedly mounted has the overcoat on the tip of connection tee bend, and connects the inside contact pin of tee bend, fixedly mounted has the needle handle on the tip of connection tee bend, be provided with protection machanism on one side of connection tee bend, protection machanism includes the link plate, be provided with the link plate on the one side that the connection tee bend kept away from the extension pipe, and link plate is close to all fixedly connected with connecting plate on the both sides of one end of connection tee bend, two sets of all fixedly connected with fixed cover on the tip of connecting plate, two sets of the inner wall of fixed cover are closely laminated with the outside both sides of connection tee bend, and the both sides that the link plate is close to one end of fixed cover are glued there is the stopper, the needle handle is fixedly connected with fixture block on one side that the link plate is close to;

and a locking mechanism is arranged outside the connecting three-way pipe.

Preferably, both sides of the limiting block, which are close to one end of the fixing sleeve and the end part of the clamping block, are designed in a chute mode.

Preferably, the clamping block is made of rubber, and the clamping block and the limiting block are matched with each other.

Preferably, the two sides of the outer part of the connecting three-way pipe are fixedly connected with limit bars, the limit bars extend into the fixing sleeve, and limit grooves matched with the limit bars are formed in the fixing sleeve.

Preferably, the locking mechanism comprises a first stop collar, a first stop collar is sleeved on one side of the outer portion of the connecting interface, a second stop collar is sleeved on the other side of the outer portion of the connecting interface, a first connecting strip is arranged between the first stop collar and the second stop collar, two ends of the first connecting strip are respectively fixedly connected to the first stop collar and the second stop collar, a locking strip is sewn on one end, far away from the first stop collar, of the second stop collar, a second connecting strip is sewn on the other end of the first stop collar, a locking connecting block is sewn on the end portion of the second connecting strip, a female magic tape is sewn on the end portion of the top end of the locking strip, and a sub-magic tape and a female magic tape are mutually matched on the right side of the top end of the locking strip.

Preferably, the bottom end of the locking strip is glued with an anti-slip strip, and the anti-slip strip is made of rubber.

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

1. the puncture-preventing remaining needle with the protection function is provided with the limiting block, the clamping block and the fixing sleeve, the clamping block is arranged on one side of the limiting block when the needle holding handle is pulled by adopting the design, then the connecting three-way pipe is pressed and pulled continuously, the clamping block is abutted with the two groups of limiting blocks, the clamping block is clamped between the two groups of limiting blocks, and then the needle core is pulled continuously to be moved out of the outer sleeve, the fixing sleeve is enabled to fall off from the outside of the connecting three-way pipe, so that the fixing sleeve is positioned on two sides of the end part of the needle core, and the needle core is protected, the end part of the needle core can be protected timely when the needle core is taken down, the needle core is prevented from being scratched by people, and no extra operation is needed when the needle core is protected, so that the needle core is more convenient and safer to use;

2. this prevent stabbing and keep somewhere needle with safeguard function is provided with first stop collar, second stop collar and locking piece, when this kind of design has brought when needs are fixed connection interface, can establish first stop collar and second stop collar outside connection interface, twine the locking strip in the outside of patient's arm afterwards, and pass the locking piece with the tip of locking strip, pulling the locking strip afterwards, with female magic subsides and son magic subsides bonding, thereby accomplish connection interface's fixed, make the device can use many times when fixing connection interface, it only laminates with patient's skin when fixed simultaneously, thereby make follow-up can not bring uncomfortable sense for the patient taking down, and its stability is high when fixed, do benefit to and fix the operation, stability of device has been increased.

Drawings

FIG. 1 is a right side top perspective view of the present utility model;

FIG. 2 is a schematic diagram of an explosion of the structure of the present utility model;

FIG. 3 is a schematic perspective view of the protection mechanism of FIG. 1 according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 5 is a schematic perspective view of the locking mechanism of fig. 2 according to the present utility model.

In the figure: 111. an extension tube; 112. a connection interface; 113. connecting a three-way pipe; 114. a jacket; 115. a needle holder; 116. a needle core; 2. a protective mechanism; 211. a connecting plate; 212. a connecting plate; 213. a fixed sleeve; 214. a limiting block; 215. a clamping block; 216. a limit bar; 217. a limit groove; 3. a locking mechanism; 311. a first stop collar; 312. the second limit sleeve; 313. a first connecting bar; 314. a locking bar; 315. a second connecting bar; 316. locking the connecting block; 317. a son magic tape; 318. female magic tape; 319. an anti-slip strip.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a puncture-preventing remaining needle with safeguard function, including extension tube 111, fixedly mounted has connection interface 112 on the one end of extension tube 111, and fixedly mounted has connection tee bend 113 on the other end of extension tube 111, fixedly mounted has overcoat 114 on the tip of connection tee bend 113, and the inside contact pin 116 that is equipped with of connection tee bend 113, fixedly mounted has needle handle 115 on the tip of connection tee bend 113, be provided with protection machanism 2 on one side of connection tee bend 113, protection machanism 2 includes link plate 211, be provided with link plate 211 on the one side that connection tee bend 113 kept away from extension tube 111, and link plate 211 is all fixedly connected with connecting plate 212 on the both sides that are close to one end of connection tee bend 113, and all fixedly connected with fixed sleeve 213 on the tip of two sets of connecting plate 212, the inner wall of two sets of fixed sleeve 213 is closely laminated with the both sides that are outside of connection tee bend 113, and the both sides that link plate 211 is close to one end of fixed sleeve 213 are glued with stopper 214, the fixed connection tee bend 115 is on one side that is close to one end of link plate 115 is provided with needle handle 115, be provided with fixture block 215, be convenient for through this kind of design on the one side that is provided with protection machanism 2, protection machanism 2 includes link plate 211, be provided with connecting plate 211 on one side that is kept away from one side of extension tube 113, be provided with link plate 211 on one side, and both sides are kept away from extension tube 113, both sides are all fixed with connecting plate 215, both sides are kept away from each other, and both ends are fixed with each other, and are fixed with a fixed sleeve 213, and 213 is more closely to be equipped with a fixed with stopper 213, and one end is more inside 213 is convenient for being fixed with a fixed to be equipped with, and 213, and one end is equipped with a fixed with a stopper, and 213. The adoption of the upper design is convenient for assisting in limiting the fixed sleeve 213 through the limiting strips 216, so that the fixed sleeve 213 is more stable in installation;

the locking mechanism 3 is arranged outside the connecting tee 113.

Further, the locking mechanism 3 includes a first stop collar 311, a first stop collar 311 is sleeved on one side of the outer portion of the connection interface 112, a second stop collar 312 is sleeved on the other side of the outer portion of the connection interface 112, a first connecting strip 313 is arranged between the first stop collar 311 and the second stop collar 312, two ends of the first connecting strip 313 are fixedly connected to the first stop collar 311 and the second stop collar 312 respectively, a locking strip 314 is sewn on one end, far away from the first stop collar 311, of the second stop collar 312, a second connecting strip 315 is sewn on the other end of the first stop collar 311, a locking connecting block 316 is sewn on the end of the second connecting strip 315, a female velcro 318 is sewn on the end of the top end of the locking strip 314, a child velcro 317 is sewn on the right side of the top end of the locking strip 314, and the child velcro 317 and the female velcro 318 are mutually matched, the locking strip 314 is limited by adopting the design so that the first stop collar 311 and the second stop collar 311 are tensioned through the female velcro 317, and the second stop collar 312 can be fixed repeatedly, and the connection interface 112 can be fixed and fixed more stably.

Further, the bottom end of the locking strip 314 is glued with the anti-slip strip 319, and the anti-slip strip 319 is made of rubber, so that the stability after fixing is higher due to the fact that the friction force of the rubber is larger.

Working principle: when the puncture is completed, the needle core 116 needs to be withdrawn from the outer sleeve 114, the needle holding handle 115 can be pulled to enable the needle core 116 to be moved out of the outer sleeve 114, the clamping block 215 is arranged on one side of the limiting block 214 when the needle holding handle 115 is pulled, then the connecting tee 113 is pressed and pulled continuously, the clamping block 215 abuts against the two groups of limiting blocks 214, so that the limiting block 214 is deformed, the clamping block 215 is clamped between the two groups of limiting blocks 214, the needle core 116 is pulled continuously and moved out of the outer sleeve 114, the end part of the clamping block 215 abuts against the connecting plate 211, the two groups of connecting plates 212 are deformed, the fixing sleeves 213 on two sides are separated from the outer side of the connecting tee 113, and the fixing sleeves 213 are arranged on two sides of the end part of the needle core 116 and are protected.

When the connection interface 112 needs to be fixed, the first stop collar 311 and the second stop collar 312 can be sleeved outside the connection interface 112, then the locking strip 314 is wound on the outer side of the arm of a patient, the end part of the locking strip 314 passes through the locking connecting block 316, then the locking strip 314 is pulled, the first stop collar 311 and the second stop collar 312 are in a stable state, then the female velcro 318 and the sub velcro 317 are bonded, thereby completing the fixation of the connection interface 112, and when the subsequent needs to be released, only the end part of the locking strip 314 needs to be pulled, so that the female velcro 318 and the sub velcro 317 are released from bonding

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. The utility model provides a prevent stabbing remaining needle with safeguard function, includes extension pipe (111), fixed mounting has connection interface (112) on the one end of extension pipe (111), and fixed mounting has connection three-way pipe (113) on the other end of extension pipe (111), fixed mounting has overcoat (114) on the tip of connection three-way pipe (113), and connects three-way pipe (113) inside contact pin to be equipped with needle core (116), fixed mounting has needle holder (115), its characterized in that on the tip of connection three-way pipe (113): a protection mechanism (2) is arranged on one side of the connecting three-way pipe (113), the protection mechanism (2) comprises a connecting plate (211), the connecting plate (211) is arranged on one side of the connecting three-way pipe (113) far away from the extension pipe (111), connecting plates (212) are fixedly connected to two sides of one end of the connecting plate (211) close to the connecting three-way pipe (113), fixing sleeves (213) are fixedly connected to the end parts of the two groups of connecting plates (212), the inner walls of the two groups of fixing sleeves (213) are tightly attached to two sides of the outer part of the connecting three-way pipe (113), limiting blocks (214) are glued to two sides of one end of the connecting plate (211) close to the fixing sleeves (213), and clamping blocks (215) are fixedly connected to one side of the needle holding handle (115) close to the connecting plate (211);

the locking mechanism (3) is arranged outside the connecting tee pipe (113).

2. The puncture-resistant indwelling needle with protecting function according to claim 1, wherein: both sides of the limiting block (214) close to one end of the fixing sleeve (213) and the end of the clamping block (215) are designed in a chute mode.

3. The puncture-resistant indwelling needle with protecting function according to claim 2, wherein: the clamping block (215) is made of rubber, and the clamping block (215) and the limiting block (214) are matched with each other.

4. The puncture-resistant indwelling needle with protecting function according to claim 2, wherein: limiting strips (216) are fixedly connected to two sides of the outer portion of the connecting three-way pipe (113), the limiting strips (216) extend into the fixing sleeve (213), and limiting grooves (217) matched with the limiting strips (216) are formed in the fixing sleeve (213).

5. The puncture-resistant indwelling needle with protecting function according to claim 2, wherein: the locking mechanism (3) comprises a first limit sleeve (311), one side of the outside of the connecting interface (112) is sleeved with the first limit sleeve (311), the other side of the outside of the connecting interface (112) is sleeved with a second limit sleeve (312), a first connecting strip (313) is arranged between the first limit sleeve (311) and the second limit sleeve (312), two ends of the first connecting strip (313) are fixedly connected to the first limit sleeve (311) and the second limit sleeve (312) respectively, the second limit sleeve (312) is far away from one end of the first limit sleeve (311) and is sewed with a locking strip (314), the other end of the first limit sleeve (311) is sewed with a second connecting strip (315), the end of the second connecting strip (315) is sewed with a locking connecting block (316), the end of the top of the locking strip (314) is sewed with a female magic tape (318), the right side of the top of the locking strip (314) is sewed with a sub magic tape (317), and the sub magic tape (317) and the female magic tape (318) are mutually matched.

6. The puncture-resistant indwelling needle with protecting function according to claim 5, wherein: the bottom end of the locking strip (314) is glued with an anti-slip strip (319), and the anti-slip strip (319) is made of rubber.