CN204034025U - A kind of suction aspirator tip - Google Patents
A kind of suction aspirator tip Download PDFInfo
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- CN204034025U CN204034025U CN201420479838.9U CN201420479838U CN204034025U CN 204034025 U CN204034025 U CN 204034025U CN 201420479838 U CN201420479838 U CN 201420479838U CN 204034025 U CN204034025 U CN 204034025U
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- negative pressure
- aspirator tube
- display
- aspirator
- cavity
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Abstract
This utility model relates to a kind of medical apparatus and instruments, especially a kind of suction aspirator tip.According to the technical scheme that this utility model provides, described suction aspirator tip, comprises aspirator tube and is positioned at the first end of described aspirator tube and the attractive device connector for being connected with vacuum suction source; Arrange in described attractive device connector and can regulate the draft regulator of vacuum magnitude in aspirator tube and the negative pressure display for showing vacuum magnitude in described aspirator tube.This utility model compact conformation, accurately can control negative pressure, and can carry out the accurate display of negative pressure, wide accommodation, safe and reliable.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, especially a kind of suction aspirator tip.
Background technology
In surgical operation, patient has the hydrops situations such as hemorrhage, flushing, transudate, pus and blood, in order to draw these hydrops to expose better surgical field of view, generally needs with suction pump, hydrops to be siphoned away.Vacuum extractor can absorb hemorrhage and other liquid in operation process, makes doctor can see each tissue site clearly, is one of requisite operating theater instruments in operation process.Suction pump conventional is clinically made up of suction aspirator tip and negative pressure connection tube, but existing suction aspirator tip majority can not show negative pressure and accurately control suction pressure, is difficult to the demand meeting some delicate surgery (as pituitary adenoma operation, tumor etc. in brain).
Summary of the invention
The purpose of this utility model overcomes the deficiencies in the prior art, provides a kind of suction aspirator tip, and its compact conformation accurately can control negative pressure, and can carry out the accurate display of negative pressure, wide accommodation, safe and reliable.
According to the technical scheme that this utility model provides, described suction aspirator tip, comprises aspirator tube and is positioned at the first end of described aspirator tube and the attractive device connector for being connected with vacuum suction source; Arrange in described attractive device connector and can regulate the draft regulator of vacuum magnitude in aspirator tube and the negative pressure display for showing vacuum magnitude in described aspirator tube.
The first end of described aspirator tube runs through attractive device connector, draft regulator comprises adjustment passage, described adjustment passage is connected with aspirator tube by the 3rd airway on aspirator tube tube wall, regulate in passage that arrange can the passages regulate body of movement in described adjustment passage, when described passages regulate body moves in adjustment passage, corresponding 3rd airway on closed aspirator tube can be blocked.
Described passages regulate body comprises adjusting portion and is positioned at described end, adjusting portion one end and the operating portion perpendicular with described adjusting portion, the regulator site of passages regulate body is in adjustment passage, and the end of described operating portion arranges and is used for adjusting portion being positioned at the adjustment locking mechanism regulated in passage.
Described adjustment locking mechanism comprises the operation bulge loop being positioned at operating portion end, and one end of operating portion setting operation bulge loop cover has fastening cap, is provided with in the fastening cap that mates with described operation bulge loop and limits ring in described fastening cap.
Described adjustment locking mechanism comprises and is positioned at operating portion and the positioning elastic pawl be symmetric, and described positioning elastic pawl can in preposition jaws tooth on attractive device connector.
Described negative pressure display comprises the pressure transducer for detecting negative pressure value in aspirator tube, described pressure transducer is connected with display and control mainboard, described display and control mainboard is connected with display screen, and the negative pressure value that pressure transducer can detect by display and control mainboard is by display screen display translation.
Described negative pressure display comprises negative pressure display cavity, described negative pressure display cavity is connected with aspirator tube by the second airway on aspirator tube tube wall, the outer wall showing the corresponding attractive device connector of cavity with negative pressure arranges negative pressure scale, in negative pressure display cavity, pressure mark buoy is set, pressure mark buoy and negative pressure show cavity and match, pressure mark buoy can show corresponding sports in cavity in negative pressure according to the draught head on the first airway on attractive device connector and aspirator tube tube wall between the second airway, pressure mark buoy is corresponding with negative pressure scale, to indicate the negative pressure value in aspirator tube.
Described pressure mark buoy is installed in negative pressure display cavity by regulating retainer spring, regulate retainer spring length direction distribution along described negative pressure display cavity in negative pressure display cavity, pressure mark buoy is fixed on the one end regulating retainer spring, regulates contiguous second airway of the other end of retainer spring and is fixed on attractive device connector.
Described pressure mark buoy is instruction ball float or the floating cylinder of instruction; The outer wall of instruction ball float is arranged and somely can show cavity with negative pressure and to contact and the ball float sealed supports convex body; One end of the floating cylinder of instruction arranges the cylinder that can contact with the inwall that negative pressure shows cavity and supports convex body, and the other end of the floating cylinder of instruction is arranged and negative pressure shows cavity inner wall and contacts and the deformable seal circle of energy deformable seal.
The other end that described aspirator tube arranges attractive device connector has deflection portion and suction unit, installs left and right attract tubule in described suction unit by fastening bung flange; The suction unit of aspirator tube arranges indicating graduation; Angle between deflection portion and suction unit is 100 ° ~ 165 °.
Advantage of the present utility model: attractive device connector is positioned at the first end of aspirator tube, negative pressure in aspirator tube can be regulated by arranging draft regulator in attractive device connector, show the negative pressure value after draft regulator adjustment in aspirator tube by negative pressure display, thus the accurate control to negative pressure value in aspirator tube can be realized; Second end of aspirator tube arranges deflection portion and suction unit, and expanding surgical field of view, meet the requirement that the precision such as peritoneoscope and cerebral operations attracts, compact conformation, regulate display convenient, cost is low, wide accommodation, safe and reliable.
Accompanying drawing explanation
Fig. 1 is that one of the present utility model implements structure chart.
Fig. 2 is that in Fig. 1, draft regulator carries out the schematic diagram after negative pressure adjustment.
Fig. 3 is that the second of the present utility model implements structure chart.
Fig. 4 is that of the present utility model the third implements structure chart.
Fig. 5 is that the second end of this utility model aspirator tube arranges the schematic diagram attracting tubule.
Fig. 6 is the enlarged drawing of the floating cylinder of this utility model instruction in negative pressure display cavity.
Fig. 7 is that this utility model regulates the one of locking mechanism to implement schematic diagram.
Fig. 8 be this utility model passages regulate body with the adjustment locking mechanism in Fig. 7 coordinate schematic diagram.
Fig. 9 is that this utility model regulates the another kind of locking mechanism to implement schematic diagram.
Figure 10 is schematic diagram this utility model attractive device connector being arranged jaws tooth.
Description of reference numerals: 1-attractive device connector, 2-aspirator tube, 3-sealing ring, 4-negative pressure display, 5-regulates retainer spring, 6-first airway, 7-second airway, 8-passages regulate body, 9-regulates passage, 10-the 3rd airway, 11-draft regulator, 12-negative pressure display cavity, the floating cylinder of 13-instruction, 14-B/P EGR Back Pressure Transducer EGR, 15-display and control mainboard, 16-display screen, 17-indicates ball float, 18-deflection portion, 19-suction unit, the fastening bung flange of 20-, 21-attracts tubule, 22-soft tube, 23-body supports convex body, 24-deformable seal circle, 25-adjusting portion, 26-operating portion, 27-fastening cap, 28-draw ring, 29-operates bulge loop, limit ring in 30-fastening cap, 31-jaws tooth and 32-positioning elastic pawl.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
In order to accurately control negative pressure, and can carry out the accurate display of negative pressure, this utility model comprises aspirator tube 2 and is positioned at the first end of described aspirator tube 2 and the attractive device connector 1 for being connected with vacuum suction source; Arrange in described attractive device connector 1 and can regulate the draft regulator 11 of vacuum magnitude in aspirator tube 2 and the negative pressure display 4 for showing vacuum magnitude in described aspirator tube 2.
Particularly, attractive device connector 1 is positioned at the first end of aspirator tube 2, can be connected with the negative pressure source of outside by attractive device connector 2, described negative pressure source can be existing conventional negative pressure equipment, as vacuum extractor etc., attractive device connector 1 can mate with negative pressure equipment and be connected, to produce the negative pressure needed in aspirator tube 2.In addition, the outer wall of attractive device connector 1 arranges some circle sealing rings 3, improves the connection sealing between attractive device connector 1 and negative pressure equipment by sealing ring 3.
Because the negative pressure produced in aspirator tube 2 by means of only negative pressure equipment can not adapt to the requirement of negative pressure in some operation processs, and negative pressure equipment when negative pressure regulates convenient not precisely and the requirement of operation process can not be adapted to; In addition, medical worker, when regulating, can not determine the negative pressure value after being accurately adjusted, and therefore, very difficult realization accurately vacuum cavitations and vacuum suction operates.In this utility model embodiment, regulate the negative pressure in aspirator tube 2 by draft regulator 11, the negative pressure value in aspirator tube 2 can be shown by negative pressure display 4, thus effective control of negative pressure can be realized intuitively.
As shown in Fig. 1 ~ Fig. 5, the first end of described aspirator tube 2 runs through attractive device connector 1, draft regulator 11 comprises adjustment passage 9, described adjustment passage 9 is connected with aspirator tube 2 by the 3rd airway 10 on aspirator tube 2 tube wall, regulate in passage 9 that arrange can the passages regulate body 8 of movement in described adjustment passage 9, described passages regulate body 8, when regulating mobile in passage 9, can block corresponding 3rd airway 10 on closed aspirator tube 2.
In this utility model embodiment, regulate passage 9 to be positioned at attractive device connector 1, regulate passage 9 to be through to the outer wall of aspirator tube 2 from the outer wall of attractive device connector 1, regulate passage 9 to distribute along the length direction of aspirator tube 2 in attractive device connector 1.The 3rd airway 10 on aspirator tube 2 tube wall comprises some passages, and the length of the 3rd airway 10 is not more than the length of passages regulate body 8.In aspirator tube 2, ground liquid enters and regulates in passage 9, can arrange the ventilated membrane that blocks water of covering the 3rd airway 10.Aspirator tube 2 is by the 3rd airway 10 and regulate passage 9 to be connected with the external pressure of attractive device connector 1, closed 3rd airway 10 is blocked by passages regulate body 8, the 3rd airway 10 and the connecting degree of external pressure can be regulated, can realize regulating the negative pressure in aspirator tube 2.Particularly, when passages regulate body 8 does not block the 3rd airway 10 completely, the negative pressure in aspirator tube 2 can be made to keep consistent with external pressure fast, when passages regulate body 8 blocks the 3rd airway 10 completely, the negative pressure value in aspirator tube 2 can be made identical with the negative pressure value of negative pressure source.When passages regulate body 8 for the 3rd airway 10 block mediate state time, can realize effectively reducing the negative pressure in aspirator tube 2.
Described passages regulate body 8 comprises adjusting portion 25 and is positioned at described end, adjusting portion 25 one end and the operating portion 26 perpendicular with described adjusting portion 25, the adjusting portion 25 of passages regulate body 8 is positioned at and regulates passage 9, and the end of described operating portion 26 arranges and is used for adjusting portion 25 being positioned at the adjustment locking mechanism regulated in passage 9.
Particularly, adjusting portion 25 can adopt tabular, and adjusting portion 25 can be mobile in adjustment passage 9, and can block the 3rd airway 10 of sealing aspirator tube 2 tube wall, to regulate the connecting degree of the 3rd airway 10 and external pressure; The operating portion 26 of adjusting portion 25 end can realize the push-and-pull operation of adjusting portion 25 movement in adjustment passage 9, and operating portion 26 passes outside attractive device connector 1 by regulating passage 9.After passages regulate body 8 has regulated in adjustment passage 9, when performing the operation, need to remain on stable for passages regulate body 8 relevant position regulating passage 9, namely keep blocking closed state to the 3rd airway 10, now, by regulating locking mechanism can carry out maintenance locking to the position of passages regulate body 8 in adjustment passage 9.In addition, in the specific implementation, passages regulate body 8 can also, by regulating the interaction force between passage 9, make to regulate to passages regulate body 8 the laggard row location that puts in place.
As shown in Figure 7 and Figure 8, described adjustment locking mechanism comprises the operation bulge loop 29 being positioned at operating portion 26 end, one end cover of operating portion 26 setting operation bulge loop 29 has fastening cap 27, is provided with in the fastening cap that mates with described operation bulge loop 29 and limits ring 30 in described fastening cap 27.
Particularly, limit ring 30 is positioned at one end of fastening cap 27 in fastening cap, after fastening cap 27 is enclosed within the end of operating portion 26, can movement mutually, when limit in fastening cap ring 30 with operate bulge loop 29 contact time, can carry out spacing to the movement of fastening cap 27.Fastening cap 27 is arranged draw ring 28, corresponding and the external diameter of one end that draw ring 28 connects of fastening cap 27 is greater than the opening with corresponding adjustment passage 9 on attractive device connector 1 outer wall, when fastening cap 27 inwardly being pressed by draw ring 29, close contact between fastening cap 27 energy and attractive device connector 1, makes passages regulate body 8 can remain on the desired location regulating passage 9.When needs regulate again, fastening cap 27 is pulled out by draw ring 28, in the process pulling fastening cap 27, ring 30 is limit to carry out in operation bulge loop 29 and fastening cap spacing, now matched in clearance between fastening cap 27 and attractive device connector 1, can make the connected state of passages regulate body 8 to the 3rd airway 10 and external pressure again regulate.
As shown in Figure 9 and Figure 10, described adjustment locking mechanism comprises and is positioned at operating portion 26 and the positioning elastic pawl 32 be symmetric, and described positioning elastic pawl 32 can in preposition jaws tooth 31 on attractive device connector 1.
In this utility model embodiment, positioning elastic pawl 32 is positioned at the end of operating portion 26, and in outside extended mode.Jaws tooth 31 is positioned at the outer wall surface regulating passage 9 and attractive device connector 1, when positioning elastic pawl 32 is in open configuration, positioning elastic pawl 32 can be stuck between jaws tooth 31, by the barrier effect of jaws tooth 31, makes whole passages regulate body 8 remain on the desired location regulating passage 9.When needs are regulated again by passages regulate body 8, two positioning elastic pawls 32 are inwardly compressed, positioning elastic pawl 32 departs from jaws tooth 31, after passages regulate body 8 is adjusted to, unclamp positioning elastic pawl 32, utilize the natural resiliency of described positioning elastic pawl 32, can again be stuck between corresponding jaws tooth 31 after two positioning elastic pawls 32 open.
As shown in Figure 3, described negative pressure display 4 comprises the pressure transducer 14 for detecting negative pressure value in aspirator tube 2, described pressure transducer 14 is connected with display and control mainboard 15, described display and control mainboard 15 is connected with display screen 16, and the negative pressure value that pressure transducer 4 can detect by display and control mainboard 15 is by display screen 16 display translation.
Particularly, pressure transducer 14 is positioned on the inwall of aspirator tube 2, can be detected the real-time negative pressure value obtained in aspirator tube 2 by pressure transducer 14.Display and control mainboard 15 comprises the circuit of power supply needed for negative pressure display 4 and signal processing, display driver, and display screen 16 is positioned on the outer wall of attractive device connector 1, and display and control mainboard 15 can show the negative pressure value in aspirator tube 2 in real time by display screen 16.The structure of display and control mainboard 15 can adopt available circuit plate, as long as the driving of the reception that can realize the pressure signal of pressure transducer 14 and display screen 16 display translation, specifically repeats no more.When passages regulate body 8 is when regulating adjustment in passage 9, the negative pressure value in aspirator tube 2 can show in real time in display screen 16, and display screen 16 can adopt conventional LED screen, intuitively, convenient.
Further, described negative pressure display 4 comprises negative pressure display cavity 12, described negative pressure display cavity 12 is connected with aspirator tube 2 by the second airway 7 on aspirator tube 2 tube wall, the outer wall showing the corresponding attractive device connector of cavity 12 1 with negative pressure arranges negative pressure scale, in negative pressure display cavity 12, pressure mark buoy is set, pressure mark buoy and negative pressure show cavity 12 and match, pressure mark buoy can show corresponding sports in cavity 12 in negative pressure according to the draught head on the first airway 6 on attractive device connector 1 and aspirator tube 2 tube wall between the second airway 7, pressure mark buoy is corresponding with negative pressure scale, to indicate the negative pressure value in aspirator tube 2.In the specific implementation, the ventilated membrane that blocks water can be covered on the first airway 6 and the second airway 7.
By indicating coordinating between pressure mark buoy with negative pressure scale in negative pressure display cavity 12, also can the negative pressure value in aspirator tube 2 be shown.Negative pressure scale on attractive device connector 1 outer wall, marks after can measuring in advance again.In this utility model embodiment, negative pressure display cavity 12 distributes also consistent with the length direction of aspirator tube 2 in attractive device connector 1, second airway 7 is positioned at one end of negative pressure display cavity 12, first airway 6 is positioned at the other end of negative pressure display cavity 12, first airway 6 and the second airway 7 include some passages, passage in second airway 7 can make aspirator tube 2 and negative pressure show cavity 12 to be connected, and the first airway 6 can make negative pressure show being communicated with of cavity 12 and outside.
Pressure mark buoy and negative pressure show the match end of contiguous first airway 6 of finger pressure mark buoy of cavity 12 can show cavity 12 by sealed negative-pressure, thus avoid showing cavity 12 by negative pressure between the first airway 6 with the second airway 7 and be communicated with, external pressure is acted on pressure mark buoy.Negative pressure value in aspirator tube 2 acts on pressure mark buoy by the second airway 7, namely pressure mark buoy is subject to the suction function in external pressure and aspirator tube 2 simultaneously, according to the difference of two force value, pressure mark buoy can be promoted mobile in negative pressure display cavity 12, after the mobile maintenance in negative pressure display cavity 12 of pressure mark buoy is stable, by observing negative pressure scale, the negative pressure value in aspirator tube 2 can be obtained, realize negative pressure display translation.By coordinating of negative pressure display 4 and draft regulator 11, the process of adjustment operation can be realized fast.
As shown in Figure 1, Figure 2 and Figure 4, described pressure mark buoy is installed in negative pressure display cavity 12 by regulating retainer spring 5, regulate retainer spring 5 length direction distribution along described negative pressure display cavity 12 in negative pressure display cavity 12, pressure mark buoy is fixed on the one end regulating retainer spring 5, regulates contiguous second airway 7 of the other end of retainer spring 5 and is fixed on attractive device connector 1.
When pressure mark buoy is mobile in negative pressure display cavity 12, the compression of pressure mark buoy or the adjustment retainer spring 5 that stretches, when the negative pressure in aspirator tube 2 changes, by the elastic force regulating retainer spring 5 to provide, negative pressure mark buoy can be made to carry out corresponding movement and keep stable.
Described pressure mark buoy is instruction ball float 17 or the floating cylinder 13 of instruction; The outer wall of instruction ball float 17 is arranged and somely can show cavity 12 with negative pressure and to contact and the ball float sealed supports convex body; One end of the floating cylinder 13 of instruction arranges the cylinder that can contact with the inwall that negative pressure shows cavity 12 and supports convex body 23, and the other end of the floating cylinder 13 of instruction is arranged and negative pressure shows cavity 12 inwall and contacts and the deformable seal circle 24 of energy deformable seal.
Pressure mark buoy can be instruction ball float 17 or the floating cylinder 13 of instruction, also can be other shapes.Instruction ball float 17 is in spherical, in order to cavity 12 can be shown by closed negative pressure, the outer wall of instruction ball float 17 arranges ball float and supports convex body, instruction ball float 17 supports convex body by ball float and contacts with the inwall that negative pressure shows cavity 12, and in negative pressure display cavity 12, carries out mobile guide to instruction ball float 17 by ball float support convex body.
The floating cylinder 13 of instruction is in column, body supports convex body 23 on the floating cylinder 13 of instruction contacts with the inwall that pressure shows cavity 12, deformable seal circle 24 can adopt the flexible materials such as rubber, when indicating floating cylinder 13 mobile in pressure display cavity 12, can be out of shape and can keep, to the sealing of pressure display cavity 12, there is good sealing effectiveness.
As shown in Figure 5, the second end that described aspirator tube 2 arranges attractive device connector 1 has deflection portion 18 and suction unit 19, installs left and right attract tubule 21 in described suction unit 19 by fastening bung flange 20; The suction unit 19 of aspirator tube 2 arranges attraction indicating graduation; Angle between deflection portion 18 and suction unit 19 is 100 ° ~ 165 °.
In the operations such as peritoneoscope, in order to avoid too strong negative pressure suction force, the gas of operative space is easily caused too to be lost and the diminishing rapidly of surgical field of view, cause operation terminal, the operation of again inflating, in this utility model embodiment, the contiguous attractive device connector 1 in deflection portion 18 of aspirator tube 2, and and in deflected condition between attractive device connector 1.Usually, be coaxial distribution between the first end of aspirator tube 2 and aspirator tube 1, the axis of suction unit 19 parallels with the axis of attractive device connector 1.The caliber attracting tubule 21 is 2 ~ 5mm.
In order to different attraction length and visual field demand can be adapted to, can be provided with in suction unit 19 and attract tubule 21, attract one end of tubule 21 that anti-delinking part is set, attract the other end of tubule 21 to be provided with soft tube 22.The one end attracting tubule 21 correspondence to arrange anti-delinking part is stretched in suction unit 19, and by fastening bung flange 20, attraction tubule 21 is locked in suction unit 19, matching with fastening bung flange and suction unit 19 inwall in anti-delinking part, can avoid attracting tubule 21 to pass from suction unit 19 and come off.In the specific implementation, the total length of suction unit 19 and the attraction tubule 21 that passes suction unit 19 is 15 ~ 20cm.Attract tubule 21 can when vacuum suction by soft tube 22, can to the available protecting of tissue and organ.
In the specific implementation, for above-mentioned enforcement structure, negative pressure force value pressure due to required mensuration attracts the pressure in tubule 21 or the negative pressure value in aspirator tube 2 second end, therefore, second airway 7 or B/P EGR Back Pressure Transducer EGR 14 need the second end being more close to aspirator tube 2 in attractive device connector 1, and the first airway 6 wants the first end of relative proximity aspirator tube 2.
This utility model attractive device connector 1 is positioned at the first end of aspirator tube 2, negative pressure in aspirator tube 2 can be regulated by arranging draft regulator 11 in attractive device connector 1, show the negative pressure value after draft regulator 11 adjusts in aspirator tube 2 by negative pressure display 4, thus the accurate control to negative pressure value in aspirator tube 2 can be realized; Second end of aspirator tube 2 arranges deflection portion 18 and suction unit 19, and expanding surgical field of view, meet the requirement that the precision such as peritoneoscope and cerebral operations attracts, compact conformation, regulate display convenient, cost is low, wide accommodation, safe and reliable.
Claims (10)
1. a suction aspirator tip, comprises aspirator tube (2) and is positioned at the first end of described aspirator tube (2) and the attractive device connector (1) for being connected with vacuum suction source; It is characterized in that: arrange in described attractive device connector (1) and the draft regulator (11) of aspirator tube (2) interior vacuum magnitude and the negative pressure display (4) for showing described aspirator tube (2) interior vacuum magnitude can be regulated.
2. suction aspirator tip according to claim 1, it is characterized in that: the first end of described aspirator tube (2) runs through attractive device connector (1), draft regulator (11) comprises adjustment passage (9), described adjustment passage (9) is connected with aspirator tube (2) by the 3rd airway (10) on aspirator tube (2) tube wall, regulate in passage (9) that arrange can the passages regulate body (8) of movement in described adjustment passage (9), described passages regulate body (8) is when regulating mobile in passage (9), upper corresponding 3rd airway (10) of closed aspirator tube (2) can be blocked.
3. suction aspirator tip according to claim 2, it is characterized in that: described passages regulate body (8) comprises adjusting portion (25) and is positioned at described adjusting portion (25) end, one end and the operating portion (26) be connected with described adjusting portion (25), the adjusting portion (25) of passages regulate body (8) is positioned at and regulates passage (9), and the end of described operating portion (26) arranges and is used for adjusting portion (25) being positioned at the adjustment locking mechanism regulated in passage (9).
4. suction aspirator tip according to claim 3, it is characterized in that: described adjustment locking mechanism comprises the operation bulge loop (29) being positioned at operating portion (26) end, one end cover of operating portion (26) setting operation bulge loop (29) has fastening cap (27), is provided with in the fastening cap that mates with described operation bulge loop (29) and limits ring (30) in described fastening cap (27).
5. suction aspirator tip according to claim 3, it is characterized in that: described adjustment locking mechanism comprises and is positioned at operating portion (26) and the positioning elastic pawl (32) be symmetric, described positioning elastic pawl (32) can in preposition jaws tooth (31) on attractive device connector (1).
6. suction aspirator tip according to claim 1, it is characterized in that: described negative pressure display (4) comprises the pressure transducer (14) for detecting aspirator tube (2) interior negative pressure value, described pressure transducer (14) is connected with display and control mainboard (15), described display and control mainboard (15) is connected with display screen (16), and the negative pressure value that pressure transducer (4) can be detected by display and control mainboard (15) is by display screen (16) display translation.
7. suction aspirator tip according to claim 1, it is characterized in that: described negative pressure display (4) comprises negative pressure display cavity (12), described negative pressure display cavity (12) is connected with aspirator tube (2) by the second airway (7) on aspirator tube (2) tube wall, the outer wall showing the corresponding attractive device connector (1) of cavity (12) with negative pressure arranges negative pressure scale, in negative pressure display cavity (12), pressure mark buoy is set, pressure mark buoy and negative pressure show cavity (12) and match, pressure mark buoy can show corresponding sports in cavity (12) in negative pressure according to the draught head on upper first airway (6) of attractive device connector (1) and aspirator tube (2) tube wall between the second airway (7), pressure mark buoy is corresponding with negative pressure scale, to indicate the negative pressure value in aspirator tube (2).
8. suction aspirator tip according to claim 7, it is characterized in that: described pressure mark buoy is installed in negative pressure display cavity (12) by regulating retainer spring (5), regulate retainer spring (5) length direction distribution along described negative pressure display cavity (12) in negative pressure display cavity (12), pressure mark buoy is fixed on the one end regulating retainer spring (5), regulates contiguous second airway (7) of the other end of retainer spring (5) and is fixed on attractive device connector (1).
9. the suction aspirator tip according to claim 7 or 8, is characterized in that: described pressure mark buoy is instruction ball float (17) or the floating cylinder (13) of instruction; The outer wall of instruction ball float (17) is arranged and somely can show cavity (12) with negative pressure and to contact and the ball float sealed supports convex body; One end of the floating cylinder (13) of instruction arranges the cylinder that can contact with the inwall that negative pressure shows cavity (12) and supports convex body (23), and the other end of the floating cylinder (13) of instruction is arranged and negative pressure shows cavity (12) inwall and contacts and the deformable seal circle (24) of energy deformable seal.
10. suction aspirator tip according to claim 1, it is characterized in that: the second end that described aspirator tube (2) arranges attractive device connector (1) has deflection portion (18) and suction unit (19), by fastening bung flange (20), left and right is installed in described suction unit (19) and attracts tubule (21); The suction unit (19) of aspirator tube (2) arranges indicating graduation; Angle between deflection portion (18) and suction unit (19) is 100 ° ~ 165 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420479838.9U CN204034025U (en) | 2014-08-22 | 2014-08-22 | A kind of suction aspirator tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420479838.9U CN204034025U (en) | 2014-08-22 | 2014-08-22 | A kind of suction aspirator tip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204034025U true CN204034025U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420479838.9U Expired - Fee Related CN204034025U (en) | 2014-08-22 | 2014-08-22 | A kind of suction aspirator tip |
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| Country | Link |
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| CN (1) | CN204034025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104147693A (en) * | 2014-08-22 | 2014-11-19 | 邵君飞 | Aspirator head |
-
2014
- 2014-08-22 CN CN201420479838.9U patent/CN204034025U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104147693A (en) * | 2014-08-22 | 2014-11-19 | 邵君飞 | Aspirator head |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20160822 |