CN105486463A - Leakage detecting device and leakage detecting method for blood cell separating bag - Google Patents
Leakage detecting device and leakage detecting method for blood cell separating bag Download PDFInfo
- Publication number
- CN105486463A CN105486463A CN201610023525.6A CN201610023525A CN105486463A CN 105486463 A CN105486463 A CN 105486463A CN 201610023525 A CN201610023525 A CN 201610023525A CN 105486463 A CN105486463 A CN 105486463A
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- CN
- China
- Prior art keywords
- separation bag
- flexible pipe
- haemocyte separation
- bayonet socket
- haemocyte
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- 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.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/10—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for containers, e.g. radiators
- G01M3/103—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for containers, e.g. radiators for flexible or elastic containers
Abstract
The invention provides a leakage detecting device and a leakage detecting method for a blood cell separating bag. The leakage detecting device comprises a clamp outer wall, a clamp inner wall and a base plate. The clamp outer wall and the clamp inner wall are fixedly connected with the same side of the base plate. Furthermore an interlayer space between the clamp outer wall and the clamp inner wall forms an annular accommodating trough. The clamp inner wall is provided with a first bayonet and a second bayonet. The leakage detecting method is performed through the leakage detecting device and comprises the steps of firstly, mounting the to-be-detected blood cell separating bag on the leakage detecting device; then, only keeping one hose leading-out opening of the blood cell separating bag unclosed, integrally placing the leakage detecting device and the blood cell separating bag into a water trough; and finally, inputting compressed air into the blood cell separating bag from the reserved hose leading-out opening of the blood cell separating bag, and observing whether air bubbles overflow in the water trough. By means of the leakage detecting device and the leakage detecting method, leakage detection of the blood cell separating bag can be quickly finished. Furthermore the leakage detecting device and the leakage detecting method have remarkable advantages of easy operation, high leakage detecting efficiency, reliable leakage detecting result, etc.
Description
Technical field
The present invention relates to haemocyte separation bag leak hunting technology field, especially relate to a kind of haemocyte separation bag leakage detection apparatus and method.
Background technology
Common haemocyte separation bag as shown in Figure 1, the first flexible pipe web joint 2, second flexible pipe web joint 7 is connected respectively at separation bag bag 3 two ends, described first flexible pipe web joint 2 is connected with the first flexible pipe 1, and described second flexible pipe web joint 7 is connected with the second flexible pipe 4, the 3rd flexible pipe 5 and the 4th flexible pipe 6.
When carrying out blood cell collection operation, haemocyte separation bag being arranged in the centrifugal cabin on pocket type cyto-centrifuge, and being connected with collection system with the supervisory system of pocket type cyto-centrifuge.In centrifugal separation processes, haemocyte separation bag needs with centrifugal cabin high speed rotary motion, and pocket type cyto-centrifuge is exactly utilize ultracentrifugal principle to isolate the haemocyte product of needs.But haemocyte separation bag because being subject to the extruding of bag inner blood, being easy to produce the bad situations such as broken bag, thus causing the waste in haemocyte products of separated and blood source in centrifugal process.Be when bad situations such as haemocyte separation bag generation broken bags, that haemocyte separation bag just existed the bad situations such as broken bag before lock out operation actually? or the bad situations such as the broken bag that haemocyte separation bag produces in separation operation process? judge being difficult to make accurately.Therefore, before carrying out centrifuging operation, necessary haemocyte separation bag to be hunted leak.
Summary of the invention
The technical problem to be solved in the present invention is: for prior art Problems existing, provides a kind of haemocyte separation bag leakage detection apparatus and method, not only processing ease, and leak detection efficiency is high, and the reliability of leak detection result is high.
The technical problem to be solved in the present invention realizes by the following technical solutions: a kind of haemocyte separation bag leakage detection apparatus, comprise fixture outer wall, fixture inwall and base plate, described fixture outer wall, fixture inwall are all fixedly connected on base plate the same side, and form annular receiving groove by the mezzanine space between fixture outer wall and fixture inwall, fixture inwall is offered the first bayonet socket, the second bayonet socket.
Preferably, the fixture inwall between described first bayonet socket and the second bayonet socket arranges stop bit step.
Preferably, the first described bayonet socket and/or the both sides of the second bayonet socket arrange two pieces of postive stop baffles of relative thirty years of age, are fixedly connected with between described postive stop baffle with fixture inwall.
Preferably, described second bayonet socket both sides arrange two pieces of postive stop baffles of relative thirty years of age, arrange flexible pipe shaping protruding in the second bayonet socket, and the protruding postive stop baffle with being positioned at the second bayonet socket side of described flexible pipe shaping forms L shape flexible pipe reshaping structure.
Preferably, described fixture inner wall outside arranges the first plane, and described first plane covers the second bayonet socket.
Preferably, described fixture inner wall outside arranges the second plane, and described second plane covers the first bayonet socket.
Preferably, also comprise back up pad, described back up pad adjacent both ends is fixedly connected with fixture inwall, base plate respectively.
Preferably, described base plate is offered surely steady through hole.
A kind of haemocyte separation bag leak hunting method, adopts haemocyte separation bag leakage detection apparatus as above to carry out, comprises the steps:
1st step, is installed to haemocyte separation bag to be hunted leak on haemocyte separation bag leakage detection apparatus, and makes the bag portion of haemocyte separation bag be placed in annular receiving groove, and the flexible pipe at haemocyte separation bag two ends snaps in the first bayonet socket, the second bayonet socket respectively;
2nd step, a flexible pipe outlet of reserved haemocyte separation bag is not closed, and remaining flexible pipe outlet is all closed, and the haemocyte separation bag leakage detection apparatus entirety with haemocyte separation bag to be hunted leak is put into tank;
3rd step, passes into pressurized air from the flexible pipe outlet of reserved haemocyte separation bag to haemocyte separation bag, observes in tank and has bubble-free to overflow, if there is bubble to emerge, be judged to be unacceptable product; If bubble-free is emerged, be judged to be certified products.
Preferably, in described 3rd step, to haemocyte separation bag, pass into the pressurized air of 50KPa-120KPa from the flexible pipe outlet of reserved haemocyte separation bag.
Compared with prior art, the invention has the beneficial effects as follows: when needs are hunted leak to haemocyte separation bag, directly the bag portion of haemocyte separation bag can be placed in the annular receiving groove on haemocyte separation bag leakage detection apparatus, the flexible pipe at haemocyte separation bag two ends then can snap in the first bayonet socket, the second bayonet socket respectively, and a flexible pipe outlet of reserved haemocyte separation bag is not closed, remaining flexible pipe outlet is all closed; Haemocyte separation bag leakage detection apparatus entirety with haemocyte separation bag to be hunted leak directly is put into tank by operating personnel, in haemocyte separation bag, pass into pressurized air by the flexible pipe outlet of reserved haemocyte separation bag, observe in tank and have bubble-free to overflow can to judge fast haemocyte separation bag whether as certified products.Whole haemocyte separation bag leakage detection apparatus structure is simple, easy to operate, safety of hunting leak, thus the leak detection efficiency that improve haemocyte separation bag, and ensures the reliability of leak detection result.Wherein, the annular receiving groove on haemocyte separation bag leakage detection apparatus can also limit the expansion space after the ventilation of haemocyte separation bag, thus can effectively avoid haemocyte separation bag to cause bag to be out of shape equivalent risk due to overexpansion when ventilating leak detection.
Accompanying drawing explanation
Fig. 1 is the structural drawing of common haemocyte separation bag.
Fig. 2 is the front view of a kind of haemocyte separation bag of the present invention leakage detection apparatus.
Fig. 3 is the vertical view of a kind of haemocyte separation bag of the present invention leakage detection apparatus.
Fig. 4 is the schematic diagram of a kind of haemocyte separation bag of the present invention leak hunting method.
Mark in figure: 1-first flexible pipe, 2-first flexible pipe web joint, 3-separation bag bag, 4-second flexible pipe, 5-the 3rd flexible pipe, 6-the 4th flexible pipe, 7-second flexible pipe web joint, 8-fixture outer wall, 9-fixture inwall, 10-holding tank, 11-base plate, 12-back up pad, the surely steady through hole of 13-, 14-feet, 15-postive stop baffle, 16-first bayonet socket, 17-second bayonet socket, the shaping of 18-flexible pipe is protruding, 19-first plane, 20-stop bit step, 21-second plane.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with the drawings and specific embodiments, the present invention is described in detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
A kind of haemocyte separation bag leakage detection apparatus as shown in Figure 2, Figure 3, Figure 4, mainly comprise fixture outer wall 8, fixture inwall 9 and base plate 11, described fixture outer wall 8, fixture inwall 9 are all fixedly connected on the upper surface of base plate 11, formed the holding tank 10 of annular by the mezzanine space between described fixture outer wall 8 and fixture inwall 9, fixture inwall 9 is offered the first bayonet socket 16 and the second bayonet socket 17.
The structure of common haemocyte separation bag as shown in Figure 1, the first flexible pipe web joint 2, second flexible pipe web joint 7 is connected respectively at separation bag bag 3 two ends, described first flexible pipe web joint 2 is connected with the first flexible pipe 1, and described second flexible pipe web joint 7 is connected with the second flexible pipe 4, the 3rd flexible pipe 5 and the 4th flexible pipe 6.Utilize above-mentioned haemocyte separation bag leakage detection apparatus can carry out ventilation leak detection to haemocyte separation bag as shown in Figure 1, its concrete leak hunting method comprises the steps:
1st step, is installed to haemocyte separation bag to be hunted leak on haemocyte separation bag leakage detection apparatus; Wherein, the bag 3 of described haemocyte separation bag is placed in annular receiving groove 10, the first flexible pipe 1 on haemocyte separation bag snaps in the first bayonet socket 16, the second flexible pipe 4 on haemocyte separation bag, the 3rd flexible pipe 5 and the 4th flexible pipe 6 snap in the second bayonet socket 17, first flexible pipe web joint 2 covers the first bayonet socket 16, second flexible pipe web joint 7 covers the second bayonet socket 17, as shown in Figure 4.
2nd step, a flexible pipe outlet of reserved haemocyte separation bag is not closed, and remaining flexible pipe outlet is all closed, and the haemocyte separation bag leakage detection apparatus entirety with haemocyte separation bag to be hunted leak is put into tank.In the present embodiment, the outlet of the first flexible pipe 1 on reserved haemocyte separation bag is not closed, and the outlet of the second flexible pipe 4, the 3rd flexible pipe 5 and the 4th flexible pipe 6 is then all closed.
3rd step, to haemocyte separation bag, pressurized air is passed into, haemocyte separation bag inflation thereupon, because the expansion space of annular receiving groove 10 pairs of haemocyte separation bags limits from the outlet of the first flexible pipe 1, when after ventilation certain hour, observe in tank and have bubble-free to overflow.If there is bubble to emerge, then can judge that this haemocyte separation bag to be hunted leak is as unacceptable product; If bubble-free is emerged, then can judge that this haemocyte separation bag to be hunted leak is as certified products.
Consider that haemocyte separation bag needs the centrifugal cabin high speed rotary motion with cyto-centrifuge in centrifugal separation processes, in the process, haemocyte separation bag easily produces the bad situations such as broken bag because being subject to the extruding of bag inner blood, therefore, be necessary to judge in advance the resistanee to rupture of haemocyte separation bag, accurately to judge true cause when the bad situations such as broken bag occur haemocyte separation bag in centrifugal separation processes.For this reason, when carrying out leak detection operation to haemocyte separation bag, the pressurized air of 50KPa-120KPa can be passed in haemocyte separation bag by the outlet of the first flexible pipe 1, so just achieve and simulate the installation of haemocyte separation bag in the centrifugal separation processes of reality and bag internal pressure by the leak detection process of haemocyte separation bag, thus can judge exactly the bad situations such as the broken bag that haemocyte separation bag occurs in centrifuging operating process be occur in centrifuging operation before, still occur in centrifuging operating process, and then be reliability decision and the guarantee centrifuging handling safety of haemocyte separation bag product, reliably carry out providing basis for estimation.
In haemocyte separation bag inflation process, interfere to prevent from occurring to be shifted between the first flexible pipe web joint 2 and the second flexible pipe web joint 7, can fixture inwall 9 arranged outside stop bit step 20 between the first bayonet socket 16 and the second bayonet socket 17, described stop bit step 20 can be directly be stamped to form by fixture inwall 9, also can be formed by mould molding by fixture inwall 9, also namely, described stop bit step 20 is integrated molding structures with fixture inwall 9, as shown in Figure 3, Figure 4.In order to ensure that inflation is carried out smoothly, ensure the first flexible pipe 1 simultaneously, second flexible pipe 4, 3rd flexible pipe 5 and the 4th flexible pipe 6 all can inflations fully, can at the first bayonet socket 16, the both sides of the second bayonet socket 17 arrange two pieces of postive stop baffles 15 of relative thirty years of age, described postive stop baffle 15 is fixedly connected with inside fixture inwall 9, first plane 19 and the second plane 21 is set respectively outside fixture inwall 9, described first plane 19, second plane 21 lays respectively at stop bit step 20 two ends, and the first plane 19 covers the second bayonet socket 17, second plane 21 covers the first bayonet socket 16, described first flexible pipe web joint 2 contacts with the second plane 21, described second flexible pipe web joint 7 contacts with the first plane 19, as Fig. 3, shown in Fig. 4.The first flexible pipe 1, second flexible pipe 4, the 3rd flexible pipe 5 and the 4th flexible pipe 6 can be made all to keep the straight configuration of certain length by arranging postive stop baffle 15, first plane 19, second plane 21, to ensure that each several part of haemocyte separation bag is inflated all fully, thus further increasing the reliability of haemocyte separation bag leak detection result.
As shown in Figure 4, the second described flexible pipe 4, the 3rd flexible pipe 5 and the 4th flexible pipe 6 are all snap onto in same second bayonet socket 17, inflation is affected in order to prevent the second flexible pipe 4, the 3rd flexible pipe 5 and the 4th flexible pipe 6 each other because generation extrudes, two pieces of postive stop baffles 15 of relative thirty years of age can be set in the second bayonet socket 17 both sides, and flexible pipe shaping projection 18 is set in the second bayonet socket 17, described flexible pipe shaping projection 18 can be on fixture inwall 9, reserve a part and formed, and forms L shape flexible pipe reshaping structure between itself and the postive stop baffle 15 on the left of the second bayonet socket 17.When after inflation in the second flexible pipe 4, the 3rd flexible pipe 5 and the 4th flexible pipe 6, the second flexible pipe 4, the 3rd flexible pipe 5 and the 4th flexible pipe 6 in inflation can be made to slide along protruding 18 ends of flexible pipe shaping by flexible pipe shaping projection 18, thus realize the auto arrangement shaping of the second flexible pipe 4, the 3rd flexible pipe 5 and the 4th flexible pipe 6, to ensure that each several part of haemocyte separation bag is inflated all fully.Wherein, the end of described flexible pipe shaping projection 18 is set to curved transition sections; the smoothness that the second flexible pipe 4, the 3rd flexible pipe 5 and the 4th flexible pipe 6 slide along protruding 18 ends of flexible pipe shaping can be increased; the contact area between the second flexible pipe 4, the 3rd flexible pipe 5 and the 4th flexible pipe 6 and protruding 18 ends of flexible pipe shaping can be increased again simultaneously, thus certain protective effect is played to the second flexible pipe 4, the 3rd flexible pipe 5 and the 4th flexible pipe 6.
When the leak detection operation carrying out haemocyte separation bag, need the haemocyte separation bag leakage detection apparatus entirety with haemocyte separation bag to be hunted leak to put into tank.For this reason, 3 feets 14 can be fixedly connected with bottom base plate 11, described 3 feet 14 structural arrangement triangular in shape, meanwhile, base plate 11 are offered circular fixed steady through hole 13, as shown in Figure 2, adopt such structural design, be both convenient to carrying operation, the overall position stability in the sink of leakage detection apparatus can be ensured again, the impact of buoyancy of water on haemocyte separation bag, haemocyte separation bag leakage detection apparatus can also be alleviated simultaneously, be conducive to the reliability improving leak detection result.When after the inflation of haemocyte separation bag, because the expansion space of the annular receiving groove 10 pairs of haemocyte separation bags on leakage detection apparatus limits, therefore, leakage detection apparatus may be subject to the expansion power of haemocyte separation bag simultaneously because of fixture outer wall 8, fixture inwall 9 and deform.In order to improve the anti-deformation of leakage detection apparatus, can increase on above-mentioned leakage detection apparatus and several back up pads 12 are set, described back up pad 12 adjacent both ends is fixedly connected with fixture inwall 9, base plate 11 respectively, as shown in Figure 2, Figure 3, Figure 4, annular receiving groove 10 wherein can also avoid haemocyte separation bag to cause bag to be out of shape equivalent risk due to overexpansion when ventilating leak detection effectively.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, it should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a haemocyte separation bag leakage detection apparatus, it is characterized in that: comprise fixture outer wall (8), fixture inwall (9) and base plate (11), described fixture outer wall (8), fixture inwall (9) are all fixedly connected on base plate (11) the same side, and form annular receiving groove (10) by the mezzanine space between fixture outer wall (8) and fixture inwall (9), fixture inwall (9) is offered the first bayonet socket (16), the second bayonet socket (17).
2. haemocyte separation bag leakage detection apparatus according to claim 1, is characterized in that: the fixture inwall (9) between described first bayonet socket (16) and the second bayonet socket (17) arranges stop bit step (20).
3. the haemocyte separation bag leakage detection apparatus according to claims 1 or 2, it is characterized in that: described the first bayonet socket (16) and/or the both sides of the second bayonet socket (17) arrange two pieces of postive stop baffles (15) of relative thirty years of age, are fixedly connected with between described postive stop baffle (15) with fixture inwall (9).
4. the haemocyte separation bag leakage detection apparatus according to claims 1 or 2, it is characterized in that: described second bayonet socket (17) both sides arrange two pieces of postive stop baffles (15) of relative thirty years of age, in the second bayonet socket (17), arrange flexible pipe shaping projection (18), described flexible pipe shaping projection (18) forms L shape flexible pipe reshaping structure with the postive stop baffle (15) being positioned at the second bayonet socket (17) side.
5. the haemocyte separation bag leakage detection apparatus according to claims 1 or 2, it is characterized in that: described fixture inwall (9) arranged outside first plane (19), described first plane (19) covers the second bayonet socket (17).
6. the haemocyte separation bag leakage detection apparatus according to claims 1 or 2, it is characterized in that: described fixture inwall (9) arranged outside second plane (21), described second plane (21) covers the first bayonet socket (16).
7. the haemocyte separation bag leakage detection apparatus according to claims 1 or 2, it is characterized in that: also comprise back up pad (12), described back up pad (12) adjacent both ends is fixedly connected with fixture inwall (9), base plate (11) respectively.
8. the haemocyte separation bag leakage detection apparatus according to claims 1 or 2, is characterized in that: described base plate (11) is offered surely steady through hole (13).
9. a haemocyte separation bag leak hunting method, is characterized in that: adopt the haemocyte separation bag leakage detection apparatus as described in claim 1-8 to carry out, comprise the steps:
1st step, haemocyte separation bag to be hunted leak is installed on haemocyte separation bag leakage detection apparatus, and making the bag portion of haemocyte separation bag be placed in annular receiving groove (10), the flexible pipe at haemocyte separation bag two ends snaps in the first bayonet socket (16), the second bayonet socket (17) respectively;
2nd step, a flexible pipe outlet of reserved haemocyte separation bag is not closed, and remaining flexible pipe outlet is all closed, and the haemocyte separation bag leakage detection apparatus entirety with haemocyte separation bag to be hunted leak is put into tank;
3rd step, passes into pressurized air from the flexible pipe outlet of reserved haemocyte separation bag to haemocyte separation bag, observes in tank and has bubble-free to overflow, if there is bubble to emerge, be judged to be unacceptable product; If bubble-free is emerged, be judged to be certified products.
10. a kind of haemocyte separation bag leak hunting method according to claim 9, is characterized in that: in described 3rd step, passes into the pressurized air of 50KPa-120KPa from the flexible pipe outlet of reserved haemocyte separation bag to haemocyte separation bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610023525.6A CN105486463A (en) | 2016-01-14 | 2016-01-14 | Leakage detecting device and leakage detecting method for blood cell separating bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610023525.6A CN105486463A (en) | 2016-01-14 | 2016-01-14 | Leakage detecting device and leakage detecting method for blood cell separating bag |
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| CN105486463A true CN105486463A (en) | 2016-04-13 |
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| CN201610023525.6A Pending CN105486463A (en) | 2016-01-14 | 2016-01-14 | Leakage detecting device and leakage detecting method for blood cell separating bag |
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Application publication date: 20160413 |
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