CN208958975U - Anti- needle pierces remaining needle - Google Patents

Abstract

A kind of anti-needle thorn remaining needle, including flexible tube base, hose and lancet and means, lancet and means include the catheter block connecting with hose, needle handle set on catheter block one end, and the puncture needle of catheter block is fixedly connected with and run through with needle handle, the outer wall of puncture needle is equipped with plat part, by being clamped by the perforative anti-acupuncture group part of puncture needle between catheter block and needle handle, anti- acupuncture group part includes deck and the elastic element in deck, elastic element is in T-shape structure, elastic element packet crosses fixinig plate, and the first elastic slice and the second elastic slice being connect with fixinig plate, first elastic slice, second elastic slice is in " X " type cross-like, puncture needle passes through fixinig plate and by the first elastic slice, it clamps the end of second elastic slice.The utility model is cooperated by anti-acupuncture group part and plat part, so that when extracting puncture needle and triggering anti-acupuncture group part, the needle tip and plat part of puncture needle are stuck between the end of fixinig plate and the first elastic slice, the second elastic slice, prevent needle tip from causing needle stick injury to medical worker.

Description

Anti- needle pierces remaining needle

Technical field

The utility model relates to medical instrument applied technical fields, pierce remaining needle more particularly to a kind of anti-needle.

Background technique

It is also mitigation medical staff to avoid the pain for repeatedly puncturing the damage for causing blood vessel and reducing patient in clinic Manipulation strength, be commonly used remaining needle technology.

Currently, the common remaining needle of medical field is usually by flexible tube base, hose, lancet and means, calparine cap and tongs etc. Composition, clinically, often uses disposable remaining needle, will after remaining needle normally being punctured successfully in puncture process Needle tubing is extracted.When puncturing terminates to withdraw from needle tubing, if misoperation or because treatment of!medical waste is improper, needle is be easy to cause to stab Evil, causes medical staff to cause virus infection.

Utility model content

Based on this, the purpose of the utility model is to provide a kind of anti-needles to pierce remaining needle, prevents needle tip from making to medical worker At needle stick injury.

A kind of anti-needle thorn remaining needle, including the flexible tube base, hose and lancet and means sequentially connected, the lancet and means include The catheter block being connect with the hose, the needle handle set on described catheter block one end, and be fixedly connected and run through with the needle handle The outer wall of the puncture needle of the catheter block, the puncture needle is equipped with plat part, passes through between the catheter block and the needle handle By the perforative anti-acupuncture group part clamping of the puncture needle, the anti-acupuncture group part includes the deck in the needle handle and is set to Elastic element in the deck, the elastic element are in T-shape structure, and the elastic element packet, which is crossed, to be fixed in the deck Fixinig plate, and the first elastic slice and the second elastic slice that connect with the fixinig plate, first elastic slice, the second elastic slice are in " X " Type cross-like, the puncture needle pass through the fixinig plate and are clamped by the end of first elastic slice, the second elastic slice, described first Elastic slice, the second elastic slice end be stuck in the catheter block, when extracting the puncture needle and triggering the anti-acupuncture group part, institute The needle tip and the plat part for stating puncture needle are stuck between the end of the fixinig plate and first elastic slice, the second elastic slice.

Compared to the prior art, anti-needle in the utility model pierces remaining needle, by the anti-acupuncture group part and described flat The cooperation in flat portion, so that when extracting the puncture needle and triggering the anti-acupuncture group part, the needle tip of the puncture needle and institute It states plat part to be stuck between the end of the fixinig plate and first elastic slice, the second elastic slice, prevents needle tip to medical worker Cause needle stick injury.

Further, the both ends of the fixinig plate bend respectively and extend a card, and the fixinig plate passes through the card It is fixed in the deck, the middle part of the fixinig plate, which is equipped with, accommodates the through-hole that the puncture needle passes through.

Further, the diameter of the through-hole is less than the outer diameter of the plat part.

Further, the card and first elastic slice, the second elastic slice are on the same side surface of the fixinig plate, Opposite with the fixinig plate a side connection respectively of first elastic slice, the second elastic slice.

Further, an evacuation notch is respectively equipped in the middle part of the adjacent inner side edge of first elastic slice, the second elastic slice.

Further, the end of first elastic slice is bent to form the planar portions being bonded with the deck, and described second The end of elastic slice is bent to form the blocking portion of a " Fang " shape, when extracting the puncture needle and triggering the anti-acupuncture group part, The blocking portion and the planar portions form enclosed construction, and the enclosed construction encases the needle tip of the puncture needle.

Further, the deck is in ladder circle column structure, is equipped with accommodating chamber, the big end of the deck in the deck Outer wall on offer installation gap, receiving notch, the installation gap and institute are offered on the outer wall of the small end of the deck It states and accommodates notch and the accommodating chamber connection and be located on two corresponding sides of the deck, the fixinig plate It is arranged in the installation gap, the blocking portion is arranged in the receiving notch.

Further, two mounting grooves are symmetrically arranged in the accommodating chamber, the mounting groove is located in the installation gap And the end of the big end close to the deck, the card are set in the mounting groove.

Further, the top of the small end of the deck is equipped with through hole, and the top of the big end of the deck, which is equipped with, to be run through Slot, the through hole and it is described through slot respectively with the accommodating chamber connection, the puncture needle passes through the through hole and described Through slot.

Further, two positioning regions are symmetrically arranged on the small end of the deck, the positioning region is located at the deck The junction of the big end of small end and the deck, the deck are stuck in the catheter block by the positioning region.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that anti-needle pierces remaining needle in an embodiment of the present invention；

Fig. 2 is the three-dimensional structure diagram of anti-acupuncture group part in Fig. 1；

Fig. 3 is the schematic cross-section of anti-acupuncture group part in Fig. 2；

Fig. 4 is the three-dimensional structure diagram of Fig. 2 elastic element；

Fig. 5 is the main view of Fig. 4 elastic element；

Fig. 6 is the three-dimensional structure diagram of deck in Fig. 2；

Fig. 7 is the structural schematic diagram of puncture needle in Fig. 1.

Main element symbol description:

Flexible tube base	10	Hose	11
				Lancet and means	12	Catheter block	121
Needle handle	122	Puncture needle	123
				Plat part	1231	Anti- acupuncture group part	13
Deck	131	Accommodating chamber	1311
				Installation gap	1312	Accommodate notch	1313
Mounting groove	1314	Through slot	1315
				Positioning region	1316	Elastic element	132
Fixinig plate	1321	First elastic slice	1322
				Second elastic slice	1323	Card	1324
Through-hole	1325	Avoid notch	1326
				Planar portions	1327	Blocking portion	1328

The present invention that the following detailed description will be further explained with reference to the above drawings.

Specific embodiment

The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.Several embodiments of the utility model are given in attached drawing.But the utility model can come in many different forms in fact It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model It is more thorough and comprehensive to open content.

It should be noted that it can directly on the other element when element is referred to as " being fixedly arranged on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement are for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes Any and all combinations of one or more related listed items.

Referring to Fig. 1, a kind of anti-needle thorn remaining needle provided in an embodiment of the present invention, soft including what is sequentially connected Tube socket 10, hose 11 and lancet and means 12, the lancet and means 12 include the catheter block 121 connecting with the hose 11, are set to The needle handle 122 of described 121 one end of catheter block, and it is fixedly connected with the needle handle 122 and runs through the puncture of the catheter block 121 Needle 123.

It please refers to Fig.1 to Fig.3, by being run through by the puncture needle 123 between the catheter block 121 and the needle handle 122 The clamping of anti-acupuncture group part 13, the anti-acupuncture group part 13 includes the deck 131 in the needle handle 122 and is set to the card Elastic element 132 in seat 131, the elastic element 132 are in T-shape structure, the elastic element 132 wrapped be fixed on it is described Fixinig plate 1321 in deck 131, and the first elastic slice 1322 and the second elastic slice 1323 that are connect with the fixinig plate 1321, institute The first elastic slice 1322, the second elastic slice 1323 are stated in " X " type cross-like, the puncture needle 123 passes through the fixinig plate 1321 and quilt First elastic slice 1322, the second elastic slice 1323 end clamp, the end card of first elastic slice 1322, the second elastic slice 1323 In the catheter block 121.

Please refer to Fig. 1 and Fig. 7, the outer wall of the puncture needle 123 is equipped with plat part 1231, the purpose being arranged in this way be for , so that the plat part 1231 and the anti-acupuncture group part 13 cooperate, achieve the effect that anti-needle thorn.

It should be noted that passing through the fixinig plate 1321 in the puncture needle 123 and by described first in the present embodiment End when clamping of elastic slice 1322, the second elastic slice 1323, first elastic slice 1322, the second elastic slice 1323 end worn by described Pricker 123 struts, so that the end of first elastic slice 1322, the second elastic slice 1323 is stuck in the catheter block 121, works as extraction The puncture needle 123 and when triggering the anti-acupuncture group part 13, needle tip and the plat part 1231 card of the puncture needle 123 The fixinig plate 1321 and first elastic slice 1322, the second elastic slice 1323 end between, prevent needle tip to medical matters people Member causes needle stick injury, while the anti-acupuncture group part 13 is separated with the catheter block 121.The elastic element 132 is in T-shape Structure is stuck in the deck for the ease of the elastic element 132.First elastic slice 1322, the second elastic slice 1323 are in " X " type cross-like is to be clamped the puncture needle 123 by elastic-restoring force between the two.

Fig. 4 and Fig. 5 are please referred to, the both ends of the fixinig plate 1321 bend respectively and extend a card 1324, the fixation Piece 1321 is fixed in the deck 131 by the card 1324, and the middle part of the fixinig plate 1321 is equipped with described in receiving and wears The through-hole 1325 that pricker passes through.Specifically, the diameter of the through-hole 1325 is less than the outer of the plat part 1231 in the present embodiment Diameter, the purpose being arranged in this way be in order to, when extracting the puncture needle 123 and triggering the anti-acupuncture group part 13, the through-hole 1325 block the plat part 1231, and the puncture needle 123 is avoided to be detached from the elastic element 132.

Further, in this embodiment the card 1324 is in institute with first elastic slice 1322, the second elastic slice 1323 It states on the same side surface of fixinig plate 1321, the purpose being arranged in this way is the length in order to reduce the deck 131, because if It is not on same side, the length of the entire elastic element 132 can lengthen, so that the length of the deck 131 is also necessary Lengthening could install the elastic element 132.First elastic slice 1322, the second elastic slice 1323 respectively with the fixinig plate 1321 Opposite a side connection, to reach between the two in " X " type cross-like.

Referring to Fig. 4, being respectively equipped with one in the middle part of the adjacent inner side edge of first elastic slice 1322, the second elastic slice 1323 It avoids notch 1326 and avoids the two when the effect of the evacuation notch 1326 is to therebetween be in " X " type cross-like Between interfere.

It is bonded further, in this embodiment the end of first elastic slice 1322 is bent to form one with the deck 131 Planar portions 1327, the end of second elastic slice 1323 is bent to form the blocking portion 1328 of a " Fang " shape, described in extraction Puncture needle 123 and when triggering the anti-acupuncture group part 13, the blocking portion 1328 and the planar portions 1327 form enclosed construction, The enclosed construction encases the needle tip of the puncture needle 123.

Fig. 2, Fig. 3 and Fig. 6 are please referred to, the deck 131 is in ladder circle column structure, is equipped with and accommodates in the deck 131 Chamber 1311, offers installation gap 1312 on the outer wall of the big end of the deck 131, on the outer wall of 131 small ends of the deck Offer and accommodate notch 1313, the installation gap 1312 and the receivings notch 1313 and 1311 connection of accommodating chamber and It is located on two corresponding sides of the deck 131, the fixinig plate 1321 is arranged in the installation gap 1312 In, the blocking portion 1328 is arranged in the receiving notch 1313.Since the blocking portion 1328 is " Fang " shape, in order to just In by the installation of the elastic element 132, so, the installation gap 1312 and the receiving notch 1313 are located at described On two corresponding sides of deck 131.

Specifically, being symmetrically arranged with two mounting grooves 1314, the mounting groove in the accommodating chamber 1311 in the present embodiment 1314 are located at the end of the big end in the installation gap 1312 and close to the deck 131, and the card 1324 is arranged in institute It states in mounting groove 1314.Further, the top of the small end of the deck 131 is equipped with through hole (not shown), the card Seat 131 big end top be equipped with run through slot 1315, the through hole and it is described through slot 1315 respectively with the accommodating chamber 1311 connection, the puncture needle 123 pass through the through hole and it is described run through slot 1315.

It should be noted that being symmetrically arranged with two positioning regions 1316, institute on the small end of the deck 131 in the present embodiment The junction that positioning region 1316 is located at the small end of the deck 131 and the big end of the deck 131 is stated, the deck 131 passes through The positioning region 1316 is stuck in the catheter block 121.The purpose that the positioning region 1316 is arranged is to prevent institute to position State the rotation of deck 131.

Anti- needle in the utility model pierces remaining needle and extracts the needle handle 122, the anti-acupuncture group part after normal puncture 13 are first fixed in the catheter block 121, when extracting the puncture needle 123 and triggering the anti-acupuncture group part 13, pass through institute State the cooperation of anti-acupuncture group part 13 and the plat part 1231, needle tip and the plat part 1231 card of the puncture needle 123 The fixinig plate 1321 and first elastic slice 1322, the second elastic slice 1323 end between, prevent needle tip to medical matters people Member causes needle stick injury, while the anti-acupuncture group part 13 is separated with the catheter block 121.Specially described 1231 quilt of plat part The through-hole 1325 blocks, prevent the puncture needle 123 is from continuing to pull out, while the needle tip of the puncture needle 123 is by institute It states blocking portion 1328 and the planar portions 1327 forms enclosed construction and encase, prevent the puncture needle 123 is from continuing across State the end of the first elastic slice 1322, the second elastic slice 1323.

Compared to the prior art, the structure of the utility model does not change the mode of operation of original venous detaining needle, is operating In the process according to common mode of operation, provide that easy to operate, validity is high, safety is reliably cured for medical staff Treat product；The utility model in clinical application method with ordinary venous remaining needle and the basic phase of Way of Manipulation of Intravenous Infusion Together, have the advantages that simple, safe and practical；The utility model has the advantages of simple structure, only increases in ordinary venous remaining needle anti- Acupuncture group part 13, technique is easily achieved, and is easily worked, effectively reliable with safety, with mass production and can be widely used in It is clinical.Therefore, the utility model has by increasing anti-acupuncture group part 13, can avoid reaching and needle point is protected to prevent medical worker's quilt The venous detaining needle stabbed, advantage safe and reliable, easy to operate.

Above embodiment described the technical principle of the utility model, these descriptions are intended merely to explain the utility model Principle, and it cannot be construed to the limitation of scope of protection of the utility model in any way.Based on the explanation herein, the skill of this field Art personnel do not need to pay for creative labor other specific embodiments that can associate the utility model, these modes are all It will fall into the protection scope of the utility model.

Claims (10)

1. a kind of anti-needle pierces remaining needle, including the flexible tube base, hose and lancet and means sequentially connected, it is characterised in that: described to wear Piercing component includes the catheter block connecting with the hose, the needle handle set on described catheter block one end, and is fixed with the needle handle The outer wall of connection and the puncture needle for running through the catheter block, the puncture needle is equipped with plat part, the catheter block and the needle By being clamped by the perforative anti-acupuncture group part of the puncture needle between handle, the anti-acupuncture group part includes being set in the needle handle Deck and the elastic element in the deck, the elastic element are in T-shape structure, and the elastic element packet, which is crossed, to be fixed on Fixinig plate in the deck, and the first elastic slice and the second elastic slice that are connect with the fixinig plate, first elastic slice, second Elastic slice is in " X " type cross-like, and the puncture needle passes through the fixinig plate and pressed from both sides by the end of first elastic slice, the second elastic slice Firmly, first elastic slice, the second elastic slice end be stuck in the catheter block, when extracting the needle handle and trigger the anti-needle thorn When component, the needle tip of the puncture needle and the plat part are stuck in the fixinig plate and first elastic slice, the second elastic slice Between end.

2. anti-needle according to claim 1 pierces remaining needle, it is characterised in that: the both ends of the fixinig plate bend and prolong respectively A card is stretched, the fixinig plate is fixed in the deck by the card, and the middle part of the fixinig plate is equipped with described in receiving The through-hole that puncture needle passes through.

3. anti-needle according to claim 2 pierces remaining needle, it is characterised in that: the diameter of the through-hole is less than the plat part Outer diameter.

4. anti-needle according to claim 2 pierces remaining needle, it is characterised in that: the card and first elastic slice, second Elastic slice is on the same side surface of the fixinig plate, and first elastic slice, the second elastic slice are opposite with the fixinig plate respectively A side connection.

5. anti-needle according to claim 1 pierces remaining needle, it is characterised in that: first elastic slice, the second elastic slice are adjacent An evacuation notch is respectively equipped in the middle part of inner side edge.

6. anti-needle according to claim 2 pierces remaining needle, it is characterised in that: the end of first elastic slice is bent to form one The end of the planar portions being bonded with the deck, second elastic slice is bent to form the blocking portion of a " Fang " shape, when extraction institute When stating puncture needle and triggering the anti-acupuncture group part, the blocking portion and the planar portions form enclosed construction, the closing knot Structure encases the needle tip of the puncture needle.

7. anti-needle according to claim 6 pierces remaining needle, it is characterised in that: the deck is in ladder circle column structure, institute It states and is equipped with accommodating chamber in deck, offer installation gap, the outer wall of the small end of the deck on the outer wall of the big end of the deck On offer receiving notch, the installation gap and the receiving notch and the accommodating chamber connection and be located at the card On two corresponding sides of seat, the fixinig plate is arranged in the installation gap, and the blocking portion is arranged in the appearance It receives in notch.

8. anti-needle according to claim 7 pierces remaining needle, it is characterised in that: be symmetrically arranged with two installations in the accommodating chamber Slot, the mounting groove are located at the end of the big end in the installation gap and close to the deck, and the card is set to described In mounting groove.

9. anti-needle according to claim 7 pierces remaining needle, it is characterised in that: the top of the small end of the deck, which is equipped with, to be run through Hole, the top of the big end of the deck, which is equipped with, runs through slot, the through hole and it is described through slot respectively with the accommodating chamber connection, The puncture needle pass through the through hole and it is described run through slot.

10. piercing remaining needle to anti-needle described in 9 any one according to claim 1, it is characterised in that: on the small end of the deck Two positioning regions are symmetrically arranged with, the positioning region is located at the junction of the small end of the deck and the big end of the deck, described Deck is stuck in the catheter block by the positioning region.