CN104645462A - Injector matched fixing sleeve - Google Patents
Injector matched fixing sleeve Download PDFInfo
- Publication number
- CN104645462A CN104645462A CN201510090582.1A CN201510090582A CN104645462A CN 104645462 A CN104645462 A CN 104645462A CN 201510090582 A CN201510090582 A CN 201510090582A CN 104645462 A CN104645462 A CN 104645462A
- Authority
- CN
- China
- Prior art keywords
- syringe
- sheet
- sleeve
- injector
- piston
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/3129—Syringe barrels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2209/00—Ancillary equipment
- A61M2209/08—Supports for equipment
- A61M2209/084—Supporting bases, stands for equipment
Abstract
The invention provides an injector matched fixing sleeve. The injector matched fixing sleeve is characterized by comprising a sleeve body, a pushing rod and a rotary baffle sheet, wherein the sleeve body is provided with an outer sleeve body and an inner sleeve body; a baffle sheet accommodating cavity is formed between the outer sleeve body and the inner sleeve body; a section of semi-cylinder is cut off from the front end of the sleeve body to form an injector accommodating cavity; a needle cylinder fixing groove is formed in the inner sleeve body; a piston is arranged at the front end of the pushing rod; a semicircular groove is formed in the upper surface of the piston and can accommodate a piston handle of an injector; the rotary baffle sheet is provided with a semicircular slide sheet, a connecting sheet, a pressing sheet and an annular slide sheet; the semicircular slide sheet is arranged at the front end of the connecting sheet; the annular slide sheet is connected to the rear end of the connecting sheet; the pressing sheet is connected to the middle part of the connecting sheet and inwards extends to a position where the pressing sheet can be in contact with an injector needle cylinder; the semicircular slide sheet and the annular slide sheet are both arranged in the baffle sheet accommodating cavity; the connecting sheet and the pressing sheet are driven to move to the place above the injector accommodating cavity. In a using process of the injector matched fixing sleeve, the injector does not easily fall off, and the safety is improved.
Description
Technical field
The present invention relates to the adaptive fixed cover of a kind of syringe, belong to medical instruments field.
Background technology
Existing syringe needs some extra equipment sometimes, such as when needs are installed on continuous injecting apparatus, syringe is needed to be fixed in the shell of continuous injecting apparatus, existing fixed structure is often fairly simple, only fix the jut of injector syringe both sides, then lean on the push rod of continuous injecting apparatus and cover top portion to be clamped by syringe.The shortcoming of this structure is that syringe easily comes off.
Summary of the invention
The object of the present invention is to provide the adaptive fixed cover of a kind of syringe, so that better syringe can be clamped.
Present invention employs following technical scheme:
The adaptive fixed cover of a kind of syringe, is characterized in that, comprising: sleeve, push rod, is installed in sleeve, and rotation barrier sheet, wherein, sleeve entirety is cylindrical shape, and sleeve has outer sleeve and inner sleeve, forms barrier sheet container cavity between outer sleeve and inner sleeve, barrel forward end cuts one section of semicolumn, makes the space in inner sleeve form syringe container cavity, inner sleeve has syringe holddown groove, push rod front end is provided with piston, the upper surface of piston has half slot, the opening direction of half slot and the length direction of push rod perpendicular, half slot can hold the piston handle of syringe, rotate barrier sheet and there is semi-ring wiper, brace, tabletting, and ring-shaped slide sheet, semi-ring wiper is arranged on the front end of brace, ring-shaped slide sheet is connected to the rear end of brace, tabletting is connected to the middle part of brace, and extend inward into the position that can touch injector syringe, semi-ring wiper and ring-shaped slide sheet are all installed among barrier sheet container cavity, rotate along barrier sheet container cavity, thus drive brace and tabletting to move to the top of institute's syringe container cavity.
In addition, the adaptive fixed cover of syringe of the present invention, can also have such feature: wherein, the shape of the part that tabletting contacts with injector syringe is arc, and the external surface shape of this arc and syringe matches.
In addition, the adaptive fixed cover of syringe of the present invention, can also have such feature: wherein, the side of piston has slide block, and inner sleeve has chute, and slide block reciprocatingly slides along chute.
In addition, the adaptive fixed cover of syringe of the present invention, can also have such feature: wherein, the side of half slot has petiole draw-in groove, blocks the cross petiole of syringe.
The beneficial effect of the invention
According to the adaptive fixed cover of syringe of the present invention, owing to having semi-cylindrical syringe container cavity in barrel forward end, and rotate the top that barrier sheet can turn to syringe container cavity, thus push down syringe, therefore, the present invention's syringe in the process used not easily drops, and safety is improved.
In addition, because the side of piston has slide block, inner sleeve has chute, slide block reciprocatingly slides along chute, therefore makes piston to rotate or to rock, and the power that can not apply rotation to syringe or rock, which in turns increases the stability of syringe.
In addition, the side due to half slot has petiole draw-in groove, blocks the cross petiole of syringe, therefore, it is possible to increase further the fixing firmness of syringe.
Accompanying drawing explanation
Fig. 1 is the structural representation of the adaptive fixed cover of syringe of the present invention;
Fig. 2 is the explosive view of the adaptive fixed cover of syringe of the present invention;
Fig. 3 is the schematic diagram of the adaptive fixed cover of syringe of the present invention as an a kind of part of continuous injecting apparatus.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described,
Fig. 1 is the structural representation of the adaptive fixed cover of syringe of the present invention, and Fig. 2 is the explosive view of the adaptive fixed cover of syringe of the present invention, and as depicted in figs. 1 and 2, the adaptive fixed cover 10 of syringe, comprises sleeve 11, push rod 13 and rotation barrier sheet 12.Ordinary syringe is installed in the adaptive fixed cover 10 of Syringe injector, and ordinary syringe comprises syringe 21, syringe handle 211, cross petiole 22 and piston handle 23.
Sleeve 11 entirety is cylindrical shape, and front end is semicolumn, and rear end is complete cylinder.The front end of sleeve 11 cuts one section of semicolumn, and make the space in inner sleeve 117 form syringe container cavity, this syringe container cavity is for holding existing syringe.The front end of semicolumn has needle point groove 112, and the tip of syringe is stretched out from here.Sleeve has outer sleeve 116 and inner sleeve 117, forms barrier sheet container cavity 113 between outer sleeve 116 and inner sleeve 117.Outer sleeve 116 and inner sleeve 117 are interconnected in the position of needle point groove 112.Inner sleeve 117 has syringe holddown groove 115, for blocking syringe handle 211.
Push rod 13 front end is provided with piston 131, and the upper surface of piston 131 has half slot 132, the opening direction of half slot 132 and the length direction of push rod 13 perpendicular, half slot 132 is for holding the piston handle 23 of syringe.While playing fixation to syringe, half slot 132 also for driving the piston handle 23 of syringe to move, carries out injecting or aspiration medicinal liquid.The outside of half slot 132 also has petiole draw-in groove 133, for blocking the cross petiole 22 of syringe, to fix syringe further.As shown in Figure 2, the side of piston has slide block 134, inner sleeve 117 has chute 114, and slide block 134 reciprocatingly slides along chute 114.Slide block 134 makes to rotate in syringe container cavity when piston 131 is subject to promoting.Slide block 134 is preferably set to π font, and namely bottom is extended to both sides with two edges of blocking chute 114, and anti-limited slip block comes off.
Rotate barrier sheet 12 and there is semi-ring wiper 122, brace 124, tabletting 121, and ring-shaped slide sheet 123.Semi-ring wiper 122 is arranged on the front end of brace 124, and one end of semi-ring wiper 122 is fixedly connected with brace 124, and the other end is free end, and semi-ring wiper 122 is installed in the turnover container cavity 113a of the front end of barrier sheet container cavity 113.Because turnover container cavity 113a is mutually vertical with an other part for barrier sheet container cavity 113, therefore rotating barrier sheet 12 is arranged in turnover container cavity 113a, outside the effect playing rotation, also there is spacing effect, can limit and rotate the movement of barrier sheet 12 on the direction of piston movement.Rotating barrier sheet 12 can utilize the frictional force between tabletting 121 and syringe 21 to be fixed, or can install torsion spring at semi-ring wiper 122 or ring-shaped slide sheet 123 place, rotation barrier sheet 12 is applied to the power rotated up.
Ring-shaped slide sheet 123 is connected to the rear end of brace 124, and ring-shaped slide sheet 123 is arranged on the part that barrier sheet container cavity 113 is arranged in the complete cylinder of sleeve 11.The length of brace 124 should make ring-shaped slide sheet 123 preferably not exceed the edge of complete cylinder and enter into the semi cylindrical portion of sleeve 11, in case stop the installation of syringe.
Tabletting 121 is connected to the middle part of brace 124, and extends inward into the position that can touch injector syringe 21.And the shape of the part that tabletting 121 contacts with injector syringe 21 is arc, and the external surface shape of this arc and injector syringe 21 matches.
Semi-ring wiper 122 and ring-shaped slide sheet 123 all rotate along barrier sheet container cavity, thus drive brace 124 and tabletting 121 to move to the top of institute's syringe container cavity, and now injector syringe 21 pushed down by tabletting 121.
When syringe being installed in the adaptive fixed cover of syringe, first rotation barrier sheet 12 is rotated the lateral edges to semicolumn, adjust the position of push rod 13 simultaneously, piston handle 23 is snapped in half slot 132, then rotation barrier sheet 12 is rotated to the top of syringe, make tabletting 121 push down syringe.
After use terminates, rotation barrier sheet 12 is rotated to a lateral edges of semicolumn, take off syringe.
Fig. 3 is the schematic diagram of the adaptive fixed cover of syringe of the present invention as an a kind of part of continuous injecting apparatus.The adaptive fixed cover 10 of syringe structure is in figure 3 the schematic diagram after simplifying.As shown in Figure 3, continuous injecting apparatus comprises the adaptive fixed cover 10 of syringe, injects unit and volume-adjustment unit.Shell 38 and sleeve 11 can be one-body molded or be connected by the mode welded or bond.
Inject unit and comprise catch bar 14 and pushing handle 37.Catch bar 14 is connected with push rod 13, and the lower end of catch bar 14 is distributed with a series of pawl 36, and pawl 36 is right angled triangle or right-angled trapezium, and hypotenuse upward.Pushing handle 37 has two elastic rods 35, and is positioned at the biting teeth 351 at elastic rod 35 tip, and biting teeth 351 is also right angled triangle or right-angled trapezium, and hypotenuse down.Pawl 36 is engaged mutually with biting teeth 351, under location status shown in Fig. 3, when pushing handle 37 is subject to thrust upwards, because the right-angle side of biting teeth 351 and pawl 36 contacts, and therefore biting teeth 351 upwardly pawl 36, thus push rod 13 is moved upward.When pushing handle 37 under tension, because the hypotenuse of biting teeth 351 and pawl 36 contacts, elastic rod 35 has elasticity simultaneously, therefore relative pawl 36 slide downward of biting teeth 351 meeting, and cannot exert a force to pawl 36.
Volume-adjustment unit has regulating block 34, the outside of regulating block 34 has external screw thread, and enclosure relevant position has female thread, and the two matches.Pushing handle 37 is connected by key in the position through regulating block 34, regulating block 34 has corresponding keyway, can relative sliding between key and keyway, namely pushing handle 37 can drive regulating block 34 to rotate in the horizontal direction, meanwhile, pushing handle 37 can slide by relative accommodation block 34 in the vertical direction.Be fixedly connected with between banking stop 31 with shell 38, stopper 33 is fixedly connected with pushing handle 37, is provided with back-moving spring 32 between stopper 33 and banking stop 31.Rotate regulating block 34 and can regulate distance between itself and banking stop 31, thus regulate the distance that pushing handle 37 can advance, namely the syringe distance that can advance, reaches the object of the injection volume of adjustment syringe.According to the pitch of the screw thread calculated and the relation of single injection volume, such as, relation before pitch and 5ml syringe, at the arranged outside scale of shell 38, the relation between the position of vision-control block 34 and volume injected, convenient adjustment.The relation between single injection volume and pitch can be drawn: V=(h-ax) × π R by following formula
2wherein, V represents the volume of a shot, h represents the stroke of piston, namely stopper 33 arrives the ultimate range that banking stop 31 can move, the number of turns that when a representative regulates, regulating block 34 rotates, and x represents pitch, then h-ax representative regulates the stroke of rear syringe piston, and R represents the inside radius of injector syringe.
The use procedure of continued narcosis agent syringe is as follows:
First, after ordinary syringe has been drawn anesthetis, load in the shell of the continued narcosis agent syringe of present embodiment, syringe is snapped in the adaptive fixed cover 10 of syringe fixing.The position of adjustment push rod 13 makes it to prop up injector push-rod 22.
The second, determine the dosage that multi-point is injected, and adjust the position of regulating block 34, make it to match with injected dose.
3rd, promote pushing handle 37 and inject.Under location status shown in Fig. 1, when pushing handle 37 is subject to thrust upwards, because the right-angle side of biting teeth 351 and pawl 36 contacts, therefore biting teeth 351 upwardly pawl 36, thus push rod 13 is moved upward.When back-moving spring 32 be compressed to stopper 33 cannot readvance time, unclamp pushing handle 37, back-moving spring 32 pairs of pushing handles 37 apply downward thrust, because the hypotenuse of both biting teeth 351 and pawl 36 contacts, elastic rod 35 has elasticity simultaneously, therefore relative pawl 36 slide downward of biting teeth 351 meeting, and cannot pawl 36 be exerted a force, pushing handle 37 gets back to original position.Now can again inject pushing handle 37 applied thrust next time.If the dosage of double injection is different, should rotates after regulating block 34 pairs of volume injected regulate and inject again.
Claims (4)
1. the adaptive fixed cover of syringe, for fixing ordinary syringe, is characterized in that, comprising:
Sleeve;
Push rod, is installed in described sleeve; And
Rotate barrier sheet,
Wherein, described sleeve entirety is cylindrical shape, and described sleeve has outer sleeve and inner sleeve, forms barrier sheet container cavity between outer sleeve and inner sleeve; Described barrel forward end cuts one section of semicolumn, makes the space in described inner sleeve form syringe container cavity; Described inner sleeve has syringe holddown groove,
Described push rod front end is provided with piston, and the upper surface of described piston has half slot, the opening direction of described half slot and the length direction of described push rod perpendicular, described half slot can hold the piston handle of syringe,
Described rotation barrier sheet has semi-ring wiper, brace, tabletting, and ring-shaped slide sheet, described semi-ring wiper is arranged on the front end of described brace, described ring-shaped slide sheet is connected to the rear end of described brace, described tabletting is connected to the middle part of described brace, and extend inward into the position that can touch injector syringe
Described semi-ring wiper and described ring-shaped slide sheet are all installed among barrier sheet container cavity, rotate along described barrier sheet container cavity, thus drive described brace and described tabletting to move to the top of institute's syringe container cavity.
2. the adaptive fixed cover of syringe as claimed in claim 1, is characterized in that:
Wherein, the shape of the part that described tabletting contacts with described injector syringe is arc, and the external surface shape of this arc and described syringe matches.
3. the adaptive fixed cover of syringe as claimed in claim 1, is characterized in that:
Wherein, the side of described piston has slide block, and described inner sleeve has chute, and described slide block reciprocatingly slides along described chute.
4. the adaptive fixed cover of syringe as claimed in claim 1, is characterized in that:
Wherein, the side of described half slot has petiole draw-in groove, blocks the cross petiole of syringe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510090582.1A CN104645462A (en) | 2015-02-28 | 2015-02-28 | Injector matched fixing sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510090582.1A CN104645462A (en) | 2015-02-28 | 2015-02-28 | Injector matched fixing sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104645462A true CN104645462A (en) | 2015-05-27 |
Family
ID=53237419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510090582.1A Pending CN104645462A (en) | 2015-02-28 | 2015-02-28 | Injector matched fixing sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104645462A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512150A (en) * | 2016-11-24 | 2017-03-22 | 天津伊腾圣杰医疗器械有限公司 | Injector mounting base |
| CN113101458A (en) * | 2021-04-13 | 2021-07-13 | 南京巨鲨显示科技有限公司 | Pre-filled syringe adapting device |
| CN113440687A (en) * | 2020-03-24 | 2021-09-28 | 丽珠医药集团股份有限公司 | Implanting syringe |
| CN113440687B (en) * | 2020-03-24 | 2024-05-03 | 丽珠医药集团股份有限公司 | Implantable injector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5417660A (en) * | 1992-02-03 | 1995-05-23 | T. A. Kershenstine | Self-locking syringe holder for use with a hypodermic syringe |
| FR2714833A1 (en) * | 1994-01-10 | 1995-07-13 | Caffiniere De Jean Yves | Syringe with built-in mixing chamber |
| US5531703A (en) * | 1992-04-28 | 1996-07-02 | Schering-Plough Healthcare Products, Inc. | Applicator for semisolid medications |
| CN1913933A (en) * | 2003-12-16 | 2007-02-14 | 贝克顿·迪金森公司 | Safety shield system for prefilled syringe |
| CN204072988U (en) * | 2014-08-21 | 2015-01-07 | 张亚平 | Aerodynamic safety syringe |
-
2015
- 2015-02-28 CN CN201510090582.1A patent/CN104645462A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5417660A (en) * | 1992-02-03 | 1995-05-23 | T. A. Kershenstine | Self-locking syringe holder for use with a hypodermic syringe |
| US5531703A (en) * | 1992-04-28 | 1996-07-02 | Schering-Plough Healthcare Products, Inc. | Applicator for semisolid medications |
| FR2714833A1 (en) * | 1994-01-10 | 1995-07-13 | Caffiniere De Jean Yves | Syringe with built-in mixing chamber |
| CN1913933A (en) * | 2003-12-16 | 2007-02-14 | 贝克顿·迪金森公司 | Safety shield system for prefilled syringe |
| CN204072988U (en) * | 2014-08-21 | 2015-01-07 | 张亚平 | Aerodynamic safety syringe |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512150A (en) * | 2016-11-24 | 2017-03-22 | 天津伊腾圣杰医疗器械有限公司 | Injector mounting base |
| CN113440687A (en) * | 2020-03-24 | 2021-09-28 | 丽珠医药集团股份有限公司 | Implanting syringe |
| CN113440687B (en) * | 2020-03-24 | 2024-05-03 | 丽珠医药集团股份有限公司 | Implantable injector |
| CN113101458A (en) * | 2021-04-13 | 2021-07-13 | 南京巨鲨显示科技有限公司 | Pre-filled syringe adapting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2730099A (en) | Hypodermic needle injector | |
| WO1995001198A1 (en) | Syringe | |
| CN206660239U (en) | A kind of safety-type scalable injection of insulin syringe needle | |
| WO2007027204A3 (en) | Injector device with force lock-out and injection rate limiting mechanisms | |
| CN102665552A (en) | Skin stimulus | |
| CN104645457A (en) | Continuous anesthetic syringe | |
| CN104645462A (en) | Injector matched fixing sleeve | |
| CN110292683A (en) | The automatic injection pen of passive triggering device | |
| KR101368920B1 (en) | An injetion device | |
| JP6429161B2 (en) | Injection pen lock structure | |
| KR101290512B1 (en) | Safety syringe capable of adjusting protrusion length of needle | |
| CN204655183U (en) | A kind of veterinary syringe | |
| CN209378199U (en) | Improve novopen | |
| CN208598917U (en) | A kind of syringe convenient for controlling injection dosage | |
| US2904044A (en) | Aspirating syringe | |
| CN211485058U (en) | Immunity device for domestic animals | |
| CN209966517U (en) | Needle inserting device for anesthesia needle of anesthesia department | |
| CN210813173U (en) | Automatic injection pen with passive trigger device | |
| CN214712924U (en) | Syringe for veterinarian | |
| CN214342794U (en) | Poultry epidemic prevention syringe equipment | |
| CN202554648U (en) | Medical anesthetic syringe | |
| MX2022000114A (en) | Ultra-low waste disposable safety syringe for low dose injections. | |
| CN219184318U (en) | Animal vaccine diluting device | |
| CN110585527A (en) | Painless anesthetic reagent pipeline injector device for anesthesia department | |
| GB1476776A (en) | Syringes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150527 |