CN111671998B

CN111671998B - Syringe needle separator for internal medicine

Info

Publication number: CN111671998B
Application number: CN202010455926.5A
Authority: CN
Inventors: 陈彩萍
Original assignee: Nanjing Yijian Enzyme Biotechnology Co ltd
Current assignee: Nanjing Yijian Enzyme Biotechnology Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2022-06-28
Anticipated expiration: 2040-05-26
Also published as: CN111671998A

Abstract

The invention relates to a separator, in particular to a medical syringe needle separator. The invention aims to solve the technical problem of how to design a medical syringe needle detacher which does not need to manually and directly take out the needle of a syringe. The invention provides a syringe needle detacher for internal medicine, which comprises: the bottom of the mounting tube is connected with a collecting bottle; a power storage mechanism provided on the mounting pipe; the limiting mechanism is arranged on the force storage mechanism; and the falling mechanism is arranged at the lower part in the mounting pipe. The invention takes out the needle head of the injector through the matching operation of the power storage mechanism, the limiting mechanism and the falling mechanism, thereby achieving the effect of separating the needle head of the injector.

Description

Syringe needle separator for internal medicine

Technical Field

The invention relates to a separator, in particular to a medical syringe needle separator.

Background

Syringes are a common medical device. As early as the 15 th century, kathler, italian, proposed the principle of the syringe. Gas or liquid is primarily drawn or injected with a needle. Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography. When the injector is used for injection, the needle head needs to be added to the liquid outlet part, and the needle head needs to be removed and discarded after the use.

At present, the needle of the syringe is usually manually pulled out by a person to be taken out, the hand is easily pricked by the mistake of the manual pulling out operation during the taking out, and germs are easily attached to the needle when the needle is taken out as the needle after injection, and the germ infection is easily caused by the pricking of a worker.

Accordingly, there is a need for a medical syringe needle detacher that does not require manual direct manual removal of the needle of the syringe.

Disclosure of Invention

(1) Technical problem to be solved

In order to overcome the defects that the hand is easy to stab by misoperation during taking out and the germ infection is easy to cause after stabbing in the mode, the invention provides the medical syringe needle detacher which does not need to directly and manually take out the needle of the syringe manually.

(2) Technical scheme

In order to solve the technical problem, the invention provides a syringe needle detacher for an internal medicine, which comprises an installation tube, wherein the bottom of the installation tube is connected with a collection bottle; a power storage mechanism provided on the mounting pipe; the limiting mechanism is arranged on the force storage mechanism; and the falling mechanism is arranged at the lower part in the mounting pipe.

Preferably, the force storage mechanism comprises a guide sleeve which is connected to the middle part in the installation pipe, a sliding pipe is connected in the guide sleeve in a sliding manner, and the top of the sliding pipe is connected with a locking ring; the guide pipe is connected in the sliding pipe in a sliding mode, the top of the guide pipe is connected with a baffle ring, a first spring is connected between the baffle ring and the locking ring, and the first spring is sleeved on the guide pipe; and the fixing pipe is connected to the upper part in the mounting pipe and sleeved outside the locking ring.

Preferably, the limiting mechanism comprises two square hole sleeves, the two square hole sleeves are respectively connected to the lower parts of the two sides of the fixed pipe, and a square clamping rod is connected in the square hole sleeves in a sliding manner; the two wedge blocks are respectively connected to the tops of the square clamping rods on the two sides, and a second spring is connected between each wedge block and the fixed pipe; the two fixed blocks are respectively connected to the middle parts of the two sides of the fixed pipe, a sliding sleeve is connected to each fixed block, a sliding rod is connected to the sliding sleeve in a sliding mode, the bottom of the sliding rod is in contact with the wedge-shaped block, and the top of the sliding rod penetrates out of the fixed pipe and can be in contact with the stop ring; and the two third springs are respectively connected between the sliding rods at the two sides and the sliding sleeves at the two sides.

Preferably, the dropping mechanism comprises a sleeve which is connected to the inner lower part of the mounting pipe, and an iron pipe is connected in the sleeve in a sliding manner; the limiting ring is connected to the bottom of the iron pipe; the fourth spring is connected between the iron pipe and the sleeve, and the fourth spring is sleeved on the iron pipe; the impact ring is connected to the top of the iron pipe and can be contacted with the sliding pipe; bevel connection scraper blade, it is two settings, and two bevel connection scraper blades are connected in iron pipe upper portion both sides of slidingtype respectively, are connected with arc magnet on the bevel connection scraper blade, and both sides arc magnet adsorbs both sides outside the iron pipe respectively.

Preferably, the device also comprises a reset mechanism, the reset mechanism comprises a connecting ring which is connected to the upper part of the sliding pipe, and a fifth spring is connected between the connecting ring and the guide sleeve.

(3) Advantageous effects

1. The invention takes out the needle head of the injector through the matching operation of the power storage mechanism, the limiting mechanism and the falling mechanism, thereby achieving the effect of separating the needle head of the injector.

2. The invention drives the power storage mechanism to reset through the reset mechanism, and does not need to manually drive the power storage mechanism to reset, thereby effectively saving manpower.

3. The invention does not need to take out the needle part of the injector manually and directly during operation, thereby avoiding the situation that the hand is stabbed by the needle during operation.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a first part of the present invention.

FIG. 3 is a perspective view of the power storage mechanism of the present invention.

Fig. 4 is an enlarged schematic view of part a of the present invention.

Fig. 5 is a schematic perspective view of the releasing mechanism of the present invention.

Fig. 6 is a perspective view of a second part of the present invention.

The labels in the figures are: 1-installation tube, 2-collection bottle, 3-power storage mechanism, 31-guide sleeve, 32-sliding tube, 33-locking ring, 34-guide tube, 35-first spring, 36-baffle ring, 37-fixing tube, 4-limiting mechanism, 41-square hole sleeve, 42-square clamping rod, 43-wedge-shaped block, 44-second spring, 45-fixing block, 46-sliding sleeve, 47-sliding rod, 48-third spring, 5-shedding mechanism, 51-sleeve, 52-iron tube, 53-limiting ring, 54-fourth spring, 55-impact ring, 56-arc magnet, 57-bevel scraper, 6-resetting mechanism, 61-connecting ring and 62-fifth spring.

Detailed Description

The invention is further described below with reference to the drawings and examples.

Example 1

A syringe needle detacher for internal medicine is shown in figures 1-6 and comprises an installation tube 1, a collection bottle 2, a force storage mechanism 3, a limiting mechanism 4 and a dropping mechanism 5, wherein the bottom of the installation tube 1 is connected with the collection bottle 2, the force storage mechanism 3 is arranged on the installation tube 1, the limiting mechanism 4 is arranged on the force storage mechanism 3, and the dropping mechanism 5 is arranged at the inner lower part of the installation tube 1.

The power storage mechanism 3 comprises a guide sleeve 31, a sliding tube 32, a locking ring 33, a guide tube 34, a first spring 35, a baffle ring 36 and a fixed tube 37, the guide sleeve 31 is connected to the middle in the installation tube 1, the sliding tube 32 is connected to the guide sleeve 31 in a sliding manner, the locking ring 33 is connected to the top of the sliding tube 32, the guide tube 34 is connected to the sliding tube 32 in a sliding manner, the baffle ring 36 is connected to the top of the guide tube 34, the first spring 35 is connected between the baffle ring 36 and the locking ring 33, the first spring 35 is sleeved on the guide tube 34, the fixed tube 37 is connected to the upper portion in the installation tube 1, and the fixed tube 37 is sleeved outside the locking ring 33.

Limiting mechanism 4 is including square hole cover 41, square kelly 42, wedge 43, second spring 44, fixed block 45, sliding sleeve 46, slide bar 47 and third spring 48, fixed pipe 37 left and right sides lower part all is connected with square hole cover 41, square hole cover 41 internal sliding type is connected with square kelly 42, square kelly 42 inboard can block in the locking ring 33 lower part, square kelly 42 outside top is connected with wedge 43, be connected with second spring 44 between wedge 43 and the fixed pipe 37, fixed pipe 37 left and right sides middle part all is connected with fixed block 45, be connected with sliding sleeve 46 on the fixed block 45, sliding sleeve 46 internal sliding type is connected with slide bar 47, slide bar 47 bottom and wedge 43 contact, fixed pipe 37 is worn out at the slide bar 47 top and can keep off the ring 36 contact, be connected with third spring 48 between slide bar 47 and the sliding sleeve 46.

Drop mechanism 5 is including sleeve pipe 51, the iron pipe 52, the spacing ring 53, fourth spring 54, the impact ring 55, arc magnet 56 and bevel connection scraper blade 57, sub-unit connection has sleeve pipe 51 in the installation pipe 1, sleeve pipe 51 internal sliding type is connected with iron pipe 52, the outer cambered surface in iron pipe 52 bottom is connected with spacing ring 53, be connected with fourth spring 54 between iron pipe 52 upper portion and the sleeve pipe 51 top, fourth spring 54 overlaps on iron pipe 52, iron pipe 52 top is connected with impact ring 55, impact ring 55 can contact with slide duct 32, the equal sliding type in the upper portion left and right sides of iron pipe 52 is connected with bevel connection scraper blade 57, be connected with arc magnet 56 on bevel connection scraper blade 57, both sides arc magnet 56 adsorbs respectively in the outer left and right sides of iron pipe 52.

When it is desired to partially remove the needle of the syringe, the device can be used by first passing the syringe through the guide tube 34 and the slide tube 32 and engaging the end cap of the syringe with the retaining ring 36, then pressing the syringe downward to move the retaining ring 36 downward, the retaining ring 36 downward to move all devices downward, the first spring 35 is compressed because the locking ring 33 is engaged by the square engaging rod 42 and does not move downward, after the retaining ring 36 moves downward to contact the sliding rod 47, the retaining ring 36 continues to move downward to push the sliding rod 47 downward, the third spring 48 is compressed, the two side sliding rods 47 move downward to press the two side wedges 43 away from each other, the second spring 44 is extended, the two side wedges 43 move away from each other to move the two side square engaging rods 42 away from each other, and when the two side square engaging rods 42 no longer engage the locking ring 33, the locking ring 33 and the slide tube 32 move downward under the action of the first spring 35, when the injector moves downwards, all the devices on the injector are driven to move downwards together, when the pintle part of the injector moves to be in contact with the bevel scrapers 57, the injector continues to move downwards to press the bevel scrapers 57 at the two sides to be away from each other, so that the arc-shaped magnets 56 can not attract the iron pipe 52 any more, when the pintle part of the injector moves to be not in contact with the bevel scrapers 57, the bevel scrapers 57 at the two sides are reset under the action of the arc-shaped magnets 56 to clamp the pintle part of the injector, at this time, the locking ring 33 and the sliding pipe 32 just move downwards, when the sliding pipe 32 moves downwards to be in contact with the impact ring 55, the sliding pipe 32 continues to move downwards to push the impact ring 55 to move downwards, the impact ring 55 moves downwards to drive the iron pipe 52 to move downwards, the fourth spring 54 is compressed, the iron pipe 52 moves downwards to drive all the devices on the iron pipe 52 to move downwards together, and the bevel scrapers 57 can push out the needle head of the injector when the bevel scrapers 57 move downwards, the pushed needle falls into the collecting bottle 2, so that the needle of the syringe can be pushed out, the syringe is released after the needle is pushed out, the iron pipe 52 and all devices on the iron pipe reset together under the action of the fourth spring 54, the limiting ring 53 plays a limiting role, and the sliding pipe 32 and all devices on the sliding pipe are pulled manually to move upwards for resetting.

Example 2

On the basis of the embodiment 1, as shown in fig. 3, the slide guiding device further includes a return mechanism 6, the return mechanism 6 includes a connecting ring 61 and a fifth spring 62, the upper portion of the slide tube 32 is connected with the connecting ring 61, and the fifth spring 62 is connected between the connecting ring 61 and the guide sleeve 31.

When the sliding tube 32 moves downwards, the connecting ring 61 is driven to move downwards together, the fifth spring 62 is compressed, after the injector is loosened, the connecting ring 61 resets under the action of the fifth spring 62, and the connecting ring 61 resets to drive the iron tube 52 to reset, so that the iron tube 52 does not need to be pulled manually to reset, and manpower is effectively saved.

The above-mentioned embodiments only express the preferred embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims

1. A syringe needle detacher for internal medicine is characterized by comprising: the bottom of the mounting tube (1) is connected with a collecting bottle (2); a power storage mechanism (3) provided on the mounting pipe (1); the limiting mechanism (4) is arranged on the power storage mechanism (3); a falling mechanism (5) arranged at the lower part in the installation pipe (1);

The power storage mechanism (3) comprises: the guide sleeve (31) is connected to the inner middle part of the installation tube (1), a sliding tube (32) is connected to the guide sleeve (31) in a sliding manner, and the top of the sliding tube (32) is connected with a locking ring (33); the guide pipe (34) is connected in the sliding pipe (32) in a sliding mode, the top of the guide pipe (34) is connected with a baffle ring (36), a first spring (35) is connected between the baffle ring (36) and the locking ring (33), and the guide pipe (34) is sleeved with the first spring (35); and the fixing pipe (37) is connected to the inner upper part of the mounting pipe (1), and the fixing pipe (37) is sleeved outside the locking ring (33).

2. An medical syringe needle detacher as defined in claim 1, characterised in that the limiting mechanism (4) comprises: the two square hole sleeves (41) are arranged, the two square hole sleeves (41) are respectively connected to the lower parts of the two sides of the fixed pipe (37), and the square hole sleeves (41) are internally connected with square clamping rods (42) in a sliding manner; the two wedge-shaped blocks (43) are arranged, the two wedge-shaped blocks (43) are respectively connected to the tops of the square clamping rods (42) on the two sides, and a second spring (44) is connected between each wedge-shaped block (43) and the fixed pipe (37); the two fixing blocks (45) are arranged in two, the two fixing blocks (45) are respectively connected to the middle parts of two sides of the fixing pipe (37), the fixing blocks (45) are connected with sliding sleeves (46), sliding rods (47) are connected in the sliding sleeves (46) in a sliding mode, the bottoms of the sliding rods (47) are in contact with the wedge-shaped blocks (43), and the tops of the sliding rods (47) penetrate through the fixing pipe (37) and can be in contact with the stop ring (36); and two third springs (48) are arranged, and the two third springs (48) are respectively connected between the sliding rods (47) on the two sides and the sliding sleeves (46) on the two sides.

3. A medical syringe needle separator as claimed in claim 2, wherein the release mechanism (5) comprises: a sleeve (51) connected to the lower part of the installation pipe (1), wherein an iron pipe (52) is connected to the sleeve (51) in a sliding manner; a limiting ring (53) connected to the bottom of the iron pipe (52); a fourth spring (54) connected between the iron pipe (52) and the sleeve (51), the fourth spring (54) being sleeved on the iron pipe (52); an impact ring (55) connected to the top of the iron pipe (52), the impact ring (55) being in contact with the slide pipe (32); bevel scraper blade (57), it is two settings, and two bevel scraper blade (57) are connected in iron pipe (52) upper portion both sides of slidingtype respectively, are connected with arc magnet (56) on bevel scraper blade (57), and both sides arc magnet (56) adsorb both sides outside iron pipe (52) respectively.

4. A medical syringe needle detacher as defined in claim 3, further comprising a reset mechanism (6), wherein the reset mechanism (6) comprises: and the connecting ring (61) is connected to the upper part of the sliding pipe (32), and a fifth spring (62) is connected between the connecting ring (61) and the guide sleeve (31).