CN113828370B - Secondary guide puncture needle device with bottle cap pressing function - Google Patents
Secondary guide puncture needle device with bottle cap pressing function Download PDFInfo
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- CN113828370B CN113828370B CN202111115131.0A CN202111115131A CN113828370B CN 113828370 B CN113828370 B CN 113828370B CN 202111115131 A CN202111115131 A CN 202111115131A CN 113828370 B CN113828370 B CN 113828370B
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- guide
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- puncture needle
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- guide sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/0289—Apparatus for withdrawing or distributing predetermined quantities of fluid
- B01L3/0293—Apparatus for withdrawing or distributing predetermined quantities of fluid for liquids
- B01L3/0296—Apparatus for withdrawing or distributing predetermined quantities of fluid for liquids from piercable tubing, e.g. in extracorporeal blood sampling
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a secondary guide puncture needle device with a bottle cap pressing function, which comprises a bracket, a puncture needle, an air exchange needle, a first driving mechanism, a second driving mechanism and a secondary guide mechanism, wherein the puncture needle is arranged on the bracket; the first driving mechanism and the second driving mechanism are arranged on the upper portion of the support, the secondary guiding mechanism comprises a guide block, a guide shaft, a ball bushing and a first guide sleeve, the puncture needle and the first guide sleeve are connected with the first driving mechanism, the first guide sleeve and the ball bushing are sleeved on the guide shaft together, the ball bushing is sleeved with the first guide sleeve in a rolling friction mode, the length of the ball bushing is half of the descending stroke of the puncture needle, the ball bushing is fixedly connected with the guide block, the guide block is clamped on the guide shaft, the gravity of the guide block is balanced, and the middle of the puncture needle is connected with the side portion of the guide block in a penetrating mode; the guide shaft is provided with a ventilation needle, and the second driving mechanism is connected with the guide shaft to control the ventilation needle to move up and down. The present case can adapt to the headspace bottle of co-altitude not, effectively accomplishes the puncture and takes out and tell the liquid function, reduces cross contamination.
Description
Technical Field
The invention belongs to the technical field of experimental instruments, and particularly relates to a secondary guide puncture needle device with a bottle cap pressing function.
Background
The liquid sample is easy to volatilize and photolyze, and is usually packaged and stored by using a headspace bottle; when it is necessary to extract or inject a liquid, a capillary tube (hereinafter, referred to as a "puncture needle") having a single tip is usually inserted into a bottle, and the liquid is extracted and discharged through the inner wall to transfer the liquid. An air exchange channel (hereinafter referred to as an air exchange needle) communicated with the atmosphere is additionally arranged to prevent the smooth pumping and spitting from being influenced by the positive and negative air pressure change in the bottle when the liquid is pumped and spitted.
The height of the body of the headspace bottle generally increases with the increase of the capacity, and the problem of coping with the high-capacity headspace bottle is that the length of the puncture needle needs to be increased. Because the pjncture needle is the slender pole structure, increase length problem that comes with is that the slender pole degree of disturbance increases, and puncture process pjncture needle can the bending deformation, can't pass the sealing silica gel piece of headspace bottle, and the pjncture needle can break when serious.
The solution on the market is usually to increase the diameter of the puncture needle to enhance the strength and flexibility of the puncture needle. This approach has the problem of: because the section of the puncture needle becomes large, the silica gel sealing sheet of the headspace bottle is easy to cut off in the repeated puncture process, the cut-off scraps enter a flow path or block the flow path along with the puncture needle, even irreversible damage is caused, and the manufacturing cost is high.
The other solution is to make the puncture needle into a trocar needle structure, shown in fig. 1 are two trocar needle structures of different styles, the inner needle is thin and long, the outer needle is thick and short, and can be compatible with small puncture area, high needle rigidity and high deflection, and the outer needle has the function of a ventilation needle at the same time, as the enlarged end part of one trocar needle shown in fig. 2, a ventilation hole communicated with external air is arranged on the outer wall, as the enlarged end part of the other trocar needle shown in fig. 3, a section of ventilation needle is additionally designed on the outer wall, and the ventilation needle is communicated with the air inside and outside through the ventilation needle, however, in the trocar needle structure, liquid can enter the inner part of the outer needle in the puncture process, the outer needle needs to be additionally cleaned and cannot be effectively cleaned during needle cleaning, and the liquid residue causes cross contamination among samples.
Disclosure of Invention
The invention aims to provide a secondary guide puncture needle device with a bottle cap pressing function, which comprises a puncture needle secondary guide mechanism, is suitable for headspace bottles with different heights, effectively finishes the functions of puncturing, pumping and spitting liquid and reduces cross contamination.
In order to achieve the above purpose, the solution of the invention is: a secondary guide puncture needle device with a bottle cap pressing function comprises a bracket, a puncture needle, an air exchange needle, a first driving mechanism, a second driving mechanism and a secondary guide mechanism;
the first driving mechanism and the second driving mechanism are arranged on the upper portion of the support, the secondary guide mechanism comprises a guide block, a guide shaft, a ball bushing and a first guide sleeve, the puncture needle and the first guide sleeve are connected with the first driving mechanism, the first driving mechanism controls the puncture needle and the first guide sleeve to move up and down, the first guide sleeve and the ball bushing are sleeved on the guide shaft together, the ball bushing is used for rolling friction sleeving of the first guide sleeve, the length of the ball bushing is half of the descending stroke of the puncture needle, the ball bushing is fixedly connected with the guide block, the guide block is clamped on the guide shaft, the clamping force balances the gravity of the guide block, and the middle portion of the puncture needle is connected with the side portion of the guide block in a penetrating manner;
the guide shaft is provided with a ventilation needle, and the second driving mechanism is connected with the guide shaft to control the ventilation needle to move up and down.
Further, still include first lead screw, first slider and puncture needle file, the vertical setting of first lead screw is on the support, a drive mechanism connects the top at first lead screw, first slider sliding fit is on first lead screw, the puncture needle file is installed on first slider, and the puncture needle file supplies the top of pjncture needle fixed, the lateral wall of puncture needle file with first uide bushing is fixed.
The puncture needle device is characterized by further comprising a first guide sleeve seat, wherein a through hole is formed in the first guide sleeve seat, the first guide sleeve is fixed above the through hole of the first guide sleeve seat, the guide shaft penetrates through the through hole and the first guide sleeve, the ball bearing bush is arranged on the guide shaft below the through hole, and the first guide sleeve seat and the puncture needle seat are fixed together.
Further, still include second lead screw, second slider and needle file of taking a breath, the vertical setting of second lead screw is on the support, second actuating mechanism connects the top at the second lead screw, second slider sliding fit is on the second lead screw, install on the second slider on the upper portion of guiding axle, the needle file of taking a breath is installed in the lower part of guiding axle, the needle file confession of taking a breath the top of needle is fixed.
Further, be equipped with gland mechanism on the needle file of taking a breath, gland mechanism includes pressure head and spring, the needle file of taking a breath is seted up smooth chamber in the bottom, the smooth intracavity is arranged in to the spring, the pressure head with slide chamber sliding fit and stretch out outside the smooth chamber, the one end butt of spring is at the top of the needle file of taking a breath, the other end butt of spring is on the pressure head, the top at the needle file of taking a breath is installed on the top of the needle file of taking a breath, the pinhole is seted up at the below position that corresponds the pjncture needle in the top of the needle file of taking a breath, the pressure head is seted up out the pinhole at the below position that corresponds pjncture needle and needle of taking a breath.
The puncture needle comprises a puncture needle base, a ball bushing is arranged in the puncture needle base, a guide shaft is arranged in the ball bushing, a third through hole is arranged in the right side of the guide block, the guide shaft is fixedly connected with the ball bushing, the top end of the guide rod is connected to a second sliding block, and the bottom end of the guide rod is connected to the air exchange needle base.
Furthermore, a limiting block is arranged on the support and fixed on the support between the air exchange needle seat and the guide block, and a abdicating hole is formed in the limiting block to allow the guide rod and the guide shaft to penetrate through.
Furthermore, a second guide sleeve and a third guide sleeve are respectively arranged in the second through hole and the third through hole.
After the scheme is adopted, the invention has the beneficial effects that:
on the basis of adopting the thin and long puncture needle, the invention designs the secondary guide mechanism, helps to stabilize the middle part of the puncture needle, prevents deformation and bending, enhances the strength of the puncture needle under the condition of unchanged diameter, avoids the condition that large fragments enter a flow path due to the increase of the diameter area, doubles the allowable maximum length of the puncture needle, adapts to headspace bottles with different heights, and effectively completes the functions of puncture, liquid pumping and spitting. The primary guide of the secondary guide mechanism is arranged at the top of the headspace bottle cap, and the secondary guide is always arranged at the center of the top of the headspace bottle cap away from the top of the puncture needle, so that the length of the secondary guide mechanism is twice that of the existing puncture needle structure. In addition, the puncture needle and the ventilation needle are designed in a split mode, the risk of cross contamination is fundamentally avoided, the puncture needle and the ventilation needle can be independently cleaned, the cooperative operation is achieved, the control is simple, the cost is low, an additional power follow-up guide mechanism is not needed, the additionally arranged gland mechanism can also abut against a top-empty bottle cap, and the puncture of the puncture needle and the ventilation needle is more convenient and stable.
Drawings
FIG. 1 is a schematic view of two prior art trocars;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
fig. 4 is a schematic view of the structure of the puncture needle of the present invention;
FIG. 5 is an enlarged view at C of FIG. 4;
FIG. 6 is a first assembly view of the present invention;
FIG. 7 is an exploded view of the present invention;
FIG. 8 is a schematic front view of the present invention;
FIG. 9 is a schematic elevational view of a piercing headspace bottle of the invention;
FIG. 10 is an enlarged view of the headspace bottle of FIG. 9;
FIG. 11 is a second assembly view of the present invention;
FIG. 12 is a schematic view of the structure of the present invention with the ram pressed against the cap of the headspace bottle and prior to piercing by the venting needle;
FIG. 13 is a cross-sectional view taken along line D-D of FIG. 12;
FIG. 14 is a schematic view of the structure of the present invention after the head is pressed against the cap of the headspace bottle and the venting needle has punctured;
FIG. 15 is a cross-sectional view taken along line E-E of FIG. 14;
FIG. 16 is a schematic diagram of a ball bushing and first guide sleeve of the present invention in a front-to-back comparison of travel;
fig. 17 is a schematic view illustrating the change of the stroke of the first guide sleeve, the ball bushing and the guide shaft according to the present invention.
Description of reference numerals:
the device comprises a support 1, a puncture needle 2, a ventilation needle 3, a first driving mechanism 4, a second driving mechanism 5, a secondary guide mechanism 6, a first lead screw 7, a first slide block 8, a puncture needle seat 9, a first guide sleeve seat 10, a second lead screw 11, a second slide block 12, a ventilation needle seat 13, a gland mechanism 14, a guide rod 15, a limiting block 16, a guide block 17, a guide shaft 18, a ball bushing 19, a first guide sleeve 20, a motor 21, a synchronous belt transmission mechanism 22, a through hole 23, a second through hole 24, a first through hole 25, a third through hole 26, a second guide sleeve 27, a pressure head 28, a spring 29, a sliding cavity 30, a needle inlet hole 31, a needle outlet hole 32, a hollow jacking bottle 33, a yielding hole 34 and a third guide sleeve 35.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings and specific embodiments.
The invention provides a secondary guide puncture needle device with a bottle cap pressing function, which comprises a bracket 1, a puncture needle 2, a ventilation needle 3, a first driving mechanism 4, a second driving mechanism 5, a secondary guide mechanism 6, a first lead screw 7, a first sliding block 8, a puncture needle seat 9, a first guide sleeve seat 10, a second lead screw 11, a second sliding block 12, a ventilation needle seat 13, a gland mechanism 14, a guide rod 15, a limiting block 16 and a PCB (not shown in the figure) as shown in figures 6 and 7. The PCB is arranged on the back of the support 1 and connected with the first driving mechanism 4 and the second driving mechanism 5, and the secondary guide mechanism 6 comprises a guide block 17, a guide shaft 18, a ball bush 19 and a first guide sleeve 20.
The first sliding block 8 is in sliding fit with the first lead screw 7, the puncture needle seat 9 is installed on the first sliding block 8, and the puncture needle seat 9 is used for fixing the top end of the puncture needle 2.
The side wall of the puncture needle base 9 is fixed with the first guide sleeve base 10, the first guide sleeve base 10 is provided with a through hole 23, the first guide sleeve 20 is fixed above the through hole 23 of the first guide sleeve base 10, so that the side wall of the puncture needle base 9 is fixed with the first guide sleeve 20 through the first guide sleeve base 10, and the first driving mechanism 4 drives the puncture needle 2 on the puncture needle base 9 and the first guide sleeve 20 on the first guide sleeve base 10 to move up and down through the first sliding block 8. The guide shaft 18 is inserted into the through hole 23 and the first guide sleeve 20, the ball bush 19 is arranged on the guide shaft 18 below the through hole 23, the first guide sleeve 20 and the ball bush 19 are jointly sleeved on the guide shaft 18, the ball bush 19 is fixedly connected with the guide block 17, the middle part of the puncture needle 2 is inserted into the side part of the guide block 17, the guide block 17 is clamped on the guide shaft 18, the clamping force balances the gravity of the guide block 17, the ball bush 19 is used for the rolling friction sleeve of the first guide sleeve 20, the length of the ball bush 19 is half of the stroke of the puncture needle 2 descending, and as shown in fig. 16 and 17, balls in the ball bush 19 are in rolling friction with the first guide sleeve 20 and the guide shaft 18, and no sliding friction occurs. When the relative speed of the balls and the first guide sleeve 20 is V1, the balls are in a rolling state, and the balls rub against the guide shaft 18, so that the relative speed of the guide shaft V2= V1, and V2 and V1 are opposite, and the speed of the first guide sleeve 20 relative to the guide shaft 18 is V1 which is 2 times the speed. The time of movement is equal so that the stroke L2 of the ball bush 19 is always 1/2 of the stroke L1 of the first guide sleeve 20. When the puncture needle 2 and the first guide sleeve 20 lift together, the first guide sleeve 20 drives the ball bush 19 to lift, and as the stroke of the guide block 17 is half of that of the puncture needle 2, the guide block 17 can lift along with the puncture needle 2, and the guide block 17 always supports the middle part of the puncture needle 2, as shown in fig. 4 and 5, the puncture needle 2 is a puncture needle 2 which is thin, long and has no trocar structure, and the middle part of the puncture needle 2 which is always supported by the guide block 17 can overcome the defect that the disturbance of the puncture needle 2 is large, so that the puncture needle 2 is prevented from being bent. As shown in fig. 6 and 7, the left side of the guide block 17 is provided with a second through hole 24 for the middle of the puncture needle 2 to pass through, the middle of the guide block 17 is provided with a first through hole 25 for the ball bushing 19 to fixedly pass through, the guide shaft 18 is arranged in the ball bushing 19 in a penetrating manner, the right side of the guide block 17 is provided with a third through hole 26 for the guide rod 15 to pass through, the guide rod 15 plays a role of preventing the guide block 17 from rotating, the left side and the right side of the guide block 17 are balanced, the second through hole 24 and the third through hole 26 are respectively provided with a second guide sleeve 27 and a third guide sleeve 35, the second guide sleeve 27 is sleeved with the puncture needle 2, and the third guide sleeve 35 is sleeved with the guide rod, so that the stability is improved. As shown in fig. 11, 9 and 10, the second slider 12 is slidably fitted on the second lead screw 11, the top end of the guide rod 15 and the upper portion of the guide shaft 18 are connected to the second slider 12, and the bottom end of the guide rod 15 and the lower portion of the guide shaft 18 are connected to the air exchange needle holder 13.
The air exchange needle base 13 is provided with a gland mechanism 14, the gland mechanism 14 comprises a pressure head 28 and a spring 29, the bottom of the air exchange needle base 13 is provided with a sliding cavity 30, the spring 29 is arranged in the sliding cavity 30, the pressure head 28 and the sliding cavity 30 are in sliding fit and extend out of the sliding cavity 30, specifically, the pressure head 28 is provided with an outer flange, the cavity opening of the sliding cavity 30 is provided with an inner flange, the pressure head 28 is abutted against the inner flange through the outer flange to realize that the pressure head 28 is clamped in the sliding cavity 30 without departing from the sliding cavity 30, one end of the spring 29 is abutted against the top of the air exchange needle base 13, the other end of the spring 29 is abutted against the pressure head 28, the top end of the air exchange needle 3 is fixedly installed at the top of the air exchange needle base 13, the top of the air exchange needle base 13 is provided with an inlet hole 31 at a position corresponding to the lower part of the puncture needle 2, the pressure head 28 is provided with an outlet hole 32 corresponding to the lower part of the puncture needle 2 and the air exchange needle 3, and the aperture of the outlet hole 32 is enough for the puncture needle 3 to pass through together.
When the present invention punctures the headspace bottle 33, the headspace bottle 33 is placed below the capping mechanism 14, and first, the headspace bottle 33 is pressed and the ventilation needle 3 is pierced: the second driving mechanism 5 drives the air exchange needle base 13 to descend through the guide shaft 18 on the second sliding block 12, the gland mechanism 14 on the air exchange needle base 13 is driven to descend to the position above the headspace bottle 33, as shown in fig. 12 to 15, the pressure head 28 is attached to the bottle cap of the headspace bottle 33, then the air exchange needle base 13 continues to descend, the spring 29 is compressed to the limit, the air exchange needle 3 at the top of the air exchange needle base 13 passes through the sliding cavity 30 and penetrates out through the needle outlet hole 32, and the air exchange needle 3 penetrates through the sealing sheet and is inserted into the headspace bottle 33, so that the pressing of the headspace bottle 33 and the perforation of the air exchange needle 3 are completed. Subsequently, the puncture needle 2 punctures the headspace bottle 33: the first driving mechanism 4 drives the puncture needle 2 to descend through the puncture needle seat 9 on the first sliding block 8, the puncture needle 2 penetrates through the needle inlet hole 31 at the top of the air exchange needle seat 13, penetrates into the sliding cavity 30 and penetrates out of the needle outlet hole 32, penetrates through the sealing sheet after penetrating out and is inserted into the headspace bottle 33, and finally liquid pumping and spitting are started. During the movement of the puncture needle 2, the first guide sleeve 20 following the puncture needle 2 drives the ball bush 19 to descend, the descending stroke of the ball bush 19 is 1/2 of the descending stroke of the puncture needle 2, and when the puncture needle 2 reaches the inside of the headspace bottle 33, the guide block 17 supports the middle part of the puncture needle 2. Until the liquid is pumped and spitted, the puncture needle 2 and the ventilation needle 3 are withdrawn from the headspace bottle 33 in the process that the first driving mechanism 4 drives the puncture needle 2 to ascend and withdraw from the headspace bottle 33, the first guide sleeve 20 drives the ball bush 19 to ascend, the ball bush 19 also ascends in the middle part supporting the puncture needle 2, the ascending stroke of the ball bush 19 is 1/2 of the ascending stroke of the puncture needle 2, and the withdrawal of the puncture needle 2 is finished; at this time, the ram 28 is attached to the cap of the headspace bottle 33, the headspace bottle 33 is still pressed downward and is not lifted off with the ascending of the puncture needle 2, and then the second driving mechanism 5 drives the air exchange needle holder 13 to ascend, the compressed spring 29 is spread, the air exchange needle 3 ascends until completely separating from the headspace bottle 33, and thus, the whole process of puncturing the headspace bottle 33, discharging the liquid and withdrawing is completed.
In order to avoid interference between the guide block 17 and the air exchange needle base 13, the bracket 1 is provided with a limiting block 16, the limiting block 16 is fixed on the bracket 1 between the air exchange needle base 13 and the guide block 17, and the limiting block 16 is provided with an abdicating hole 34 for the guide rod 15 and the guide shaft 18 to penetrate.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the design of the present invention, and all equivalent changes made in the design key point of the present invention fall within the protection scope of the present invention.
Claims (4)
1. A secondary guide puncture needle device with a bottle cap pressing function is characterized by comprising a bracket, a puncture needle, a ventilation needle, a first driving mechanism, a second driving mechanism, a secondary guide mechanism, a first lead screw, a first sliding block, a first guide sleeve seat, a puncture needle seat, a second lead screw, a second sliding block and a ventilation needle seat;
the first driving mechanism and the second driving mechanism are arranged on the upper portion of the support, the secondary guide mechanism comprises a guide block, a guide shaft, a ball bushing and a first guide sleeve, the puncture needle and the first guide sleeve are connected with the first driving mechanism, the first driving mechanism controls the puncture needle and the first guide sleeve to move up and down, the first guide sleeve and the ball bushing are sleeved on the guide shaft together, the ball bushing is used for rolling friction sleeving of the first guide sleeve, the length of the ball bushing is half of the descending stroke of the puncture needle, the ball bushing is fixedly connected with the guide block, the guide block is clamped on the guide shaft, the clamping force balances the gravity of the guide block, and the middle portion of the puncture needle is connected with the side portion of the guide block in a penetrating manner;
the first lead screw is vertically arranged on the support, the first driving mechanism is connected to the top of the first lead screw, the first sliding block is in sliding fit with the first lead screw, the puncture needle seat is arranged on the first sliding block and is used for fixing the top end of a puncture needle, and the side wall of the puncture needle seat is fixed with the first guide sleeve; the first guide sleeve seat is provided with a through hole, the first guide sleeve is fixed above the through hole of the first guide sleeve seat, the guide shaft penetrates through the through hole and the first guide sleeve, the ball bearing bush is arranged on the guide shaft below the through hole, and the first guide sleeve seat and the puncture needle seat are fixed together;
the guide shaft is provided with a ventilation needle, and the second driving mechanism is connected with the guide shaft to control the ventilation needle to move up and down; the second lead screw is vertically arranged on the support, the second driving mechanism is connected to the top of the second lead screw, the second sliding block is in sliding fit with the second lead screw, the upper part of the guide shaft is arranged on the second sliding block, the air exchange needle seat is arranged on the lower part of the guide shaft, and the top end of the air exchange needle is fixed by the air exchange needle seat; be equipped with gland mechanism on the needle file of taking a breath, gland mechanism includes pressure head and spring, the needle file of taking a breath is seted up smooth chamber in the bottom, smooth intracavity is arranged in to the spring, the pressure head with slide chamber sliding fit and stretch out outside the smooth chamber, the one end butt of spring is at the top of needle file of taking a breath, the other end butt of spring is on the pressure head, the top at the needle file of taking a breath is installed on the top of needle file of taking a breath, the top of needle file of taking a breath sets up into the pinhole at the below position that corresponds the pjncture needle, the pressure head sets up out the pinhole at the below position that corresponds pjncture needle and take a breath needle.
2. The secondary guide puncture needle device with the function of pressing the bottle cap as claimed in claim 1, which is characterized in that: the puncture needle is characterized by further comprising a guide rod, wherein a second through hole is formed in the left side of the guide block and used for penetrating the middle of the puncture needle, a first through hole is formed in the middle of the guide block and used for fixedly penetrating the ball bushing, the guide shaft penetrates the ball bushing, a third through hole is formed in the right side of the guide block and used for penetrating the guide rod, the top end of the guide rod is connected to the second sliding block, and the bottom end of the guide rod is connected to the air exchange needle base.
3. The secondary guide puncture needle device with the function of pressing the bottle cap as claimed in claim 2, characterized in that: the air-changing needle base is characterized in that a limiting block is arranged on the support, the limiting block is fixed on the support between the air-changing needle base and the guide block, and a abdicating hole is formed in the limiting block and used for the guide rod and the guide shaft to penetrate through.
4. The secondary guide puncture needle device with a function of pressing a bottle cap according to claim 2, characterized in that: and a second guide sleeve and a third guide sleeve are respectively arranged in the second through hole and the third through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111115131.0A CN113828370B (en) | 2021-09-23 | 2021-09-23 | Secondary guide puncture needle device with bottle cap pressing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111115131.0A CN113828370B (en) | 2021-09-23 | 2021-09-23 | Secondary guide puncture needle device with bottle cap pressing function |
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| Publication Number | Publication Date |
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| CN113828370A CN113828370A (en) | 2021-12-24 |
| CN113828370B true CN113828370B (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111115131.0A Active CN113828370B (en) | 2021-09-23 | 2021-09-23 | Secondary guide puncture needle device with bottle cap pressing function |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10625255B2 (en) * | 2014-01-16 | 2020-04-21 | Universal Bio Research Co., Ltd. | Soft stopper penetrating dispensing device and soft stopper penetrating dispensing method |
| CN105686945A (en) * | 2014-11-26 | 2016-06-22 | 河北联合大学 | Double-needle device for drug dispensing |
| DE102015221024B3 (en) * | 2015-10-28 | 2017-03-30 | Bruker Biospin Gmbh | Needle guide with centering for septum piercing |
| CN108190624B (en) * | 2018-02-07 | 2020-04-14 | 温州南赛塑料机械有限公司 | Rolling machine |
| CN210816951U (en) * | 2019-09-17 | 2020-06-23 | 鹤山市协力机械有限公司 | Punching equipment |
| CN212111462U (en) * | 2020-05-07 | 2020-12-08 | 青岛盛瀚色谱技术有限公司 | Sampling needle protection device |
| CN213121241U (en) * | 2020-08-11 | 2021-05-04 | 上海厦泰生物科技有限公司 | Take anti-collision function's reagent to inhale appearance needle guiding mechanism |
| CN111789666A (en) * | 2020-08-20 | 2020-10-20 | 浙江伽奈维医疗科技有限公司 | Automatic impact needle insertion puncture device |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A secondary guided puncture needle device with bottle cap pressing function Effective date of registration: 20230320 Granted publication date: 20221129 Pledgee: Bank of China Limited Xiamen hi tech Park sub branch Pledgor: Ruike Group (Xiamen) Co.,Ltd. Registration number: Y2023980035527 |
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