CN109172885A - A kind of simple adjustable negative pressure therapeutic device - Google Patents
A kind of simple adjustable negative pressure therapeutic device Download PDFInfo
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- CN109172885A CN109172885A CN201811148186.XA CN201811148186A CN109172885A CN 109172885 A CN109172885 A CN 109172885A CN 201811148186 A CN201811148186 A CN 201811148186A CN 109172885 A CN109172885 A CN 109172885A
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- push rod
- protrusion
- negative pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/64—Containers with integrated suction means
- A61M1/67—Containers incorporating a piston-type member to create suction, e.g. syringes
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- A61M1/0023—
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The present invention provides a kind of simple adjustable negative pressure therapeutic device, including cylinder, one end of the cylinder has been wholely set lid, and the first protrusion is provided on the lid, is provided with the hole being connected to inner barrel space in first protrusion；Sliding slot is axially provided on the inner wall of the cylinder；Piston and push rod are provided in the cylinder, the piston is connect close to one end of the lid, one end of the push rod with piston, and the other end extends one end of the separate lid of cylinder；The second protrusion with sliding slot cooperation is provided on push rod, the second protrusion can move along the chute；Multiple fixing grooves are axially provided on the cylinder, fixing groove is connected to sliding slot and circumferentially extends along the inner wall of the cylinder.Simple adjustable negative pressure therapeutic device provided by the present application, structure is simple, easy to operate；It is at low cost, the financial burden of patient can be reduced；Volume and weight is lighter, fixed and easy to carry.
Description
Technical field
The present invention relates to medical instruments field, in particular to a kind of simple adjustable negative pressure therapeutic device.
Background technique
Clinically, negative pressure device is often used, for example operation or postoperative drainage, lavation are anti-infective, simulation injury effect
It should cause and increase blood fortune etc. within the scope of the starting and certain pressure of repair mechanism.
Existing negative pressure therapeutic devices can mainly generate negative pressure, and cooperation attachment (such as negative-pressure drainage tube) is to reach
The purpose assisted in the treatment of using negative pressure, existing negative pressure therapeutic devices are had the disadvantage in that
1, structure is complicated, inconvenient for operation；
2, expensive, cause use cost high, which is additional in the medical expense of patient,
Biggish financial burden is caused to patient；
3, fixed and inconvenient to carry, since structure is complicated for existing negative pressure therapeutic devices, volume and weight is larger,
It is fixed inconvenient, and be unfavorable for carrying；
Summary of the invention
The present invention provides a kind of simple adjustable negative pressure therapeutic device, to solve at least one above-mentioned technical problem.
The technical scheme is that a kind of simple adjustable negative pressure therapeutic device, including cylinder, one end of the cylinder
It has been wholely set lid, the first protrusion is provided on the lid, is provided in first protrusion and connects with inner barrel space
Logical hole；Sliding slot is axially provided on the inner wall of the cylinder；Piston and push rod are provided in the cylinder, the piston is close
One end of the lid, one end of the push rod are connect with the piston, and the other end extends the separate lid of the cylinder
One end of body；The second protrusion with sliding slot cooperation is provided on the push rod, second protrusion can be along the sliding slot
Movement；Multiple fixing grooves are axially provided on the cylinder, the fixing groove is connected to the sliding slot and along the cylinder
Inner wall circumferentially extending.
Optionally, the locating slot to match with second protrusion is provided in the fixing groove, the locating slot is located at
The fixing groove is close to the side of the lid.
Optionally, one end that the push rod is not connect with the piston is provided with the first blocking portion.
Optionally, on the outer wall of the cylinder, one end far from the lid is provided with the second blocking portion and third stops
Portion.
Optionally, the piston include piston only and with the piston only be wholely set it is first annular protrusion and
Second annular protrusion, it is described it is first annular protrusion be located at second annular protrusion front end, it is described it is first annular protrusion it is straight
Diameter is less than the diameter of second annular protrusion, close to the position of first annular protrusion circumferential direction inside the piston only
It is provided with the first hollow portion, is circumferentially provided in second inside the piston only in the position close to second annular protrusion
Empty portion, the front end of the push rod have been wholely set third annular protrusion, and the top of the third annular protrusion is taper, and bottom is
Annular, the middle position of the piston only are provided with the blocked hole to match with the front of the push rod, the piston only
Be placed on the front of the push rod by blocked hole and push rod fixed, the piston only be internally located at the third protrusion after
End is circumferential to be provided with third hollow portion, and the sum of the third hollow portion and the volume of second hollow portion are greater than in described first
The volume in empty portion, the third hollow part in the rear side of second hollow portion, first hollow portion, the second hollow portion and
Third hollow portion is connection.
It optionally, further include fixed device, the fixed device includes the first clamping part and the second clamping part；Described first
Clamping part includes the first fixed part and the first movable part, is provided with strip-shaped hole, the back of the strip-shaped hole on first fixed part
The both ends in face are provided with square groove, and the position of the positive both ends face square groove of the strip-shaped hole is provided with fixation hole, and two
Fixation hole is connected to the strip-shaped hole；First rotating shaft is provided in the strip-shaped hole, the back side of the first rotating shaft is set as
Square protruding, the square protruding can be stuck in the square groove, and the front of the first rotating shaft is provided with pressure spring and first
Torsional spring, the link position of first torsional spring and the first rotating shaft are located at the positive one end of the first rotating shaft, and described first
One end that torsional spring is not connect with the first rotating shaft is against on first movable part；First fixed part and the first movable part
On be provided with mutually matched first arc-shaped depression portion, the surface of first arc-shaped depression portion is provided with the first anti-slip layer；Described
Two clamping parts include the second fixed part and the second movable part, what second fixed part and first fixed part were integrated, institute
It states and is fixed with the second shaft on the second fixed part, the movable part is articulated on the fixed part by the second shaft, and described
One end that two shafts are not connect with second fixed part is connected with the second torsional spring, second torsional spring not with second shaft
One end of connection is against on second movable part；Mutually matched is provided on second fixed part and the second movable part
The surface of two arc-shaped depression portions, second arc-shaped depression portion is provided with the second anti-slip layer.
Simple adjustable negative pressure therapeutic device provided by the present application, by the first protrusion connection attachment (such as negative pressure when use
Drainage tube), cylinder is fixed, pulls push rod that can generate negative pressure, and then the shape that through hole is connected to accessory internal in cylinder
Formula achievees the purpose that assist in the treatment of using negative pressure.
When pulling push rod, when the second protrusion is located at fixing groove, the second protrusion can be made to be located at fixing groove with rotating push rod
It is interior, to limit push rod up and down motion, wherein the second protrusion is stuck in different fixing grooves, and the intracorporal negative pressure pressure of cylinder is different,
In this way, the negative pressure value that the adjustable device generates, it is easy to use.
Simple adjustable negative pressure therapeutic device provided by the present application has following excellent relative to existing negative pressure therapeutic devices
Point:
1, structure is simple, easy to operate；
2, at low cost, the financial burden of patient can be reduced；
3, volume and weight is lighter, fixed and easy to carry；
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by written explanation
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
A kind of structural schematic diagram of the perspective view of simple adjustable negative pressure therapeutic device in Fig. 1 embodiment of the present invention；
Fig. 2 is one of the A-A the schematic diagram of the section structure of Fig. 1；
Fig. 3 is one of the B-B the schematic diagram of the section structure of Fig. 1；
Fig. 4 is one of the longitudinal profile structure schematic of Fig. 1；
Fig. 5 is the two of the B-B the schematic diagram of the section structure of Fig. 1；
Fig. 6 is the three of the B-B the schematic diagram of the section structure of Fig. 1；
Fig. 7 is the two of the longitudinal profile structure schematic of Fig. 1；
Fig. 8 is two of the installation schematic diagram of solar panel in one embodiment of the invention；
Fig. 9 is a kind of structural schematic diagram of push rod；
Figure 10 is the explosive view of a kind of piston and push rod；
Figure 11 is a kind of positive structure schematic of fixed device；
Figure 12 is a kind of structure schematic diagram of fixed device；
Wherein, cylinder 11；Sliding slot 11-1；Fixing groove 11-2；Locating slot 11-3；Second blocking portion 11-4；Third blocking portion
11-5；Lid 12；First protrusion 13；Hole 13-1；Piston 14；Piston only 14-1；First annular protrusion 14-2；Second convex annular
Play 14-3；First hollow portion 14-4；Second hollow portion 14-5；Blocked hole 14-6；Third hollow portion 14-7；Push rod 15；Second is convex
Play 15-1；First blocking portion 15-2；Third annular protrusion 15-3；First clamping 16；First fixed part 16-1；Strip-shaped hole 16-
11, strip-shaped hole；Square groove 16-12；First movable part 16-2, fixation hole 16-13；Second clamping part 17；Second fixed part 17-1；
Second movable part 17-2；First rotating shaft 18；Square protruding 18-1；Pressure spring 18-2；First torsional spring 18-3；First arc-shaped depression portion 19；
First anti-slip layer 19-1；Second shaft 20；Second arc-shaped depression portion 21；Second anti-slip layer 21-1；Second torsional spring 22.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
The embodiment of the invention provides a kind of simple adjustable negative pressure therapeutic device, referring to Fig. 1-Fig. 7,
Including cylinder 11, one end of the cylinder has been wholely set lid 12, and the first protrusion 13 is provided on the lid,
First protrusion 13 generally may be configured as cylinder, and lid and cylinder integrated molding, be provided in first protrusion and cylinder
The hole 13-1 of inner space connection；(longitudinal direction in namely Fig. 1) axial on the inner wall of the cylinder is provided with sliding slot 11-1；It is described
Piston 14 and push rod 15 are provided in cylinder, the piston is close to one end of the lid, one end of the push rod and the work
Plug connection, the other end extend one end far from the lid of the cylinder；It is provided on the push rod and matches with the sliding slot
The the second protrusion 15-1 closed, second protrusion can be along the runner movements, the application preferably with the second protrusion and sliding slot
The form design of sliding contact, that is, it is as far as possible that the outer surface design of the inner wall of sliding slot and the second protrusion is smooth, wherein second
Protrusion or sliding block are integrally formed or are fixedly connected with the push rod；Multiple fixing grooves are axially provided on the cylinder
Fixing groove described in 11-2 is connected to the sliding slot and circumferentially extends along the inner wall of the cylinder, and in the application, fixing groove is preferred
It is arranged perpendicular to sliding slot；As a kind of fixed form, helical one section is also can be set in fixed groove shape, if certainly solid
Determine slot and be arranged to spiral one section, shape will also match the second protrusion with fixing groove in the longitudinal direction.
Simple adjustable negative pressure therapeutic device provided by the present application, by the first protrusion connection attachment (such as negative pressure when use
Drainage tube), cylinder is fixed, pulls push rod that can generate negative pressure, and then the shape that through hole is connected to accessory internal in cylinder
Formula achievees the purpose that assist in the treatment of using negative pressure.
When pulling push rod, when the second protrusion is located at fixing groove, the second protrusion can be made to be located at fixing groove with rotating push rod
It is interior, to limit push rod up and down motion, wherein the second protrusion is stuck in different fixing grooves, and the intracorporal negative pressure pressure of cylinder is different,
In this way, the negative pressure value that the adjustable device generates, it is easy to use.
Simple adjustable negative pressure therapeutic device provided by the present application has following excellent relative to existing negative pressure therapeutic devices
Point:
1, structure is simple, easy to operate；
2, at low cost, the financial burden of patient can be reduced；
3, volume and weight is lighter, fixed and easy to carry；
In one embodiment, referring to Fig. 3 and Fig. 4, around the cylinder inboard wall one week, this structure, rotation pushed away fixing groove
It is not limited by direction of rotation when bar.
In one embodiment, it is rotated referring to fig. 4 with Fig. 5, fixing groove around described cylinder inboard wall a part, this structure
When push rod intelligence counterclockwise rotation, still, when second protrusion same plane be it is multiple when, will not rotate through cause more it is adjacent
Second protrusion is overlapped with its sliding slot or from must be too close.
In one embodiment, referring to Fig. 6 and Fig. 7, be provided in the fixing groove with second protrusion match (
Be exactly identical with the cross-sectional shape size of sliding slot) locating slot 11-3, the locating slot is located at the fixing groove close to described
The side of lid.In this way, when push rod is located at locating slot, push rod is unclamped, due to the effect of negative pressure in cylinder when rotating push rod
It is stuck in the second protrusion in locating slot, anti-throw-out lever is influenced by negative pressure, vibration etc. and is detached from fixing groove.It can be in the present embodiment
In the side of locating slot setting blocking, rotating push rod in face of stopping to rotate, push rod is unclamped when the second protrusion is blocked, this
Sample is more advantageous to people and judges that push rod is rotated to locating slot.
It should be noted that the second protrusion in the application on same plane can be set to it is multiple, preferably 2, certainly
Sliding slot is also accordingly arranged to multiple, and preferably 2, in the axial direction, the second protrusion can be set to a row, also can be set into more
Otherwise the purpose for adjusting negative pressure should be not achieved more than the number of rows of the second protrusion in row, the number of rows of certain fixing groove, in actual production not
It can exceed that 3 rows, give two rows of structures as shown in Figure 8, be traditionally arranged to be a row, as medical equipment, in order to use peace
Entirely, 75-175mmHg can be set by negative pressure in cylinder, can be calculated according to device inner space cross-sectional area, extraction volume
It obtains negative pressure pressure, which can also be gone out by the relationship final design of measurement piston position and generation negative pressure by actual experiment
Reasonable error range is arranged in adjusting range, this be it is well known to those skilled in the art, be not specifically limited herein, this Shen
Negative pressure in cylinder please be divided into 75 in Fig. 1,125, the structure of 175mmHg third gear be the reasonable structure of comparison.
In one embodiment, referring to Fig. 8, one end that the push rod is not connect with the piston is provided with the first blocking portion
15-2, on the outer wall of the cylinder, one end far from the lid is provided with the second blocking portion 11-4 and third blocking portion 11-5,
In this way, when in use, slippage when can preventing people from pulling push rod by the first blocking portion, third blocking portion is pushed away in pulling
It can be used for resisting finger when bar or being stuck on fixture with the cooperation of the second blocking portion prevent cylinder from moving with push rod is pulled,
It is of course also possible to reach the effect by way of resisting the second blocking portion with finger.
In one embodiment, piston and push rod can be wholely set, referring to Fig. 8, in this way, piston and push rod will not take off
From.
It should be noted that push rod, generally sets as shown in Figure 1 for sliding slot in order to facilitate the installation of in actual fabrication
The separate lid for extending to cylinder one end, that is, the bottom end in Fig. 1 does not consider the case where facilitating installation push rod, sliding slot
Bottom end can be set to be flush with the bottom end of the fixing groove of lowermost end, this is that those skilled in the art can according to this programme
It derives.
In actual use, the size of the frictional force between piston and cylinder determines sensitive performance when pulling piston, rubs
Wiping power is smaller, and sensitive performance is better, and easier control rotates the second protrusion to fixing groove, and rubbing between piston and cylinder
It wipes power too small will lead to and is easy gas leakage between piston and cylinder, for this purpose, applicant has done following design, referring to Figure 10, the work
Plug includes piston only 14-1 and the first annular protrusion 14-2 and the second annular protrusion that are wholely set with the piston only
14-3, the first annular protrusion are located at the front end of second annular protrusion, that is, close to one end of lid, and described first
The diameter of annular protrusion is slightly less than the diameter of second annular protrusion, close to described first annular inside the piston only
The position of protrusion is circumferentially provided with the first hollow portion 14-4, in the position close to second annular protrusion inside the piston only
It sets and is circumferentially provided with the second hollow portion 14-5, the front end of the push rod has been wholely set third annular protrusion 15-3, the third
The top of annular protrusion is taper, and bottom is annular, is also possible to cylinder, the middle position of the piston only be provided with
The blocked hole 14-6 that the front of the push rod matches, the piston only are placed on the front of the push rod and are pushed away by blocked hole
Bar is fixed, and the rear end for being internally located at the third protrusion of the piston only is circumferentially provided with third hollow portion 14-7, and first
Hollow portion, the second hollow portion and third hollow portion can exist in the form of a hole, the third hollow portion and described second hollow
The sum of the volume in portion is greater than the volume of first hollow portion, the third hollow part in the rear side of second hollow portion,
First hollow portion, the second hollow portion are connected to third hollow portion.In the present embodiment.Practical blocked hole is exactly hole, main
If the function that push rod entangle simultaneously clamping can be named by its elastic shrinkage.
This structure, when in use, when piston position is fixed, piston remains static, it is first annular protrusion with
The inner wall of cylinder contacts, at this point, the inner wall contact surface of piston and cylinder is minimum, when pulling piston, the second annular protrusion is rubbed
It is upwardly-deformed to wipe power, squeezing the second hollow portion deforms the second hollow portion, and the gas inside the second hollow portion is to the first hollow portion
Flowing.Expand the first hollow portion, first annular protrusion expands outward, contacts with the inner wall of cylinder, increase piston only and
The contact area of cylinder inboard wall, to prevent during pulling piston, first annular bulging deformation and cause sealing be deteriorated
It happens, at the same time, in the case where pulling piston, third annular protrusion, which squeezes third hollow portion, makes its deformation, makes the
The case where gas compensation gas compression volume of three hollow portions becomes smaller, it is first annular convex caused by preventing gas compression volume from becoming smaller
Play the situation that deformation is inadequate and sealing performance is inadequate.It automatically adjusts, can be improved in the case where guaranteeing leakproofness with this configuration
Pull sensitive performance when piston.
In actual use, cylinder will generally be fixed and be used on the top of the shelf, and since it applies the use in different occasions
Production shelf bar thickness it is different, therefore, it is necessary to be applicable in the device of the bar of different thicknesses to remove fixed cylinder, consolidate for convenience
Fixed, applicant has also done the fixation device for fixed cylinder, and referring to Figure 11 and Figure 12, the fixed device includes the first clamping
16 and the second clamping part 17；First clamping part includes the first fixed part 16-1 and the first movable part 16-2, and described first
Strip-shaped hole 16-11 is provided on fixed part, the both ends at the back side of the strip-shaped hole are provided with square groove 16-12, the strip-shaped hole
The position of positive both ends face square groove be provided with fixation hole 16-13, two fixation holes are connected to the strip-shaped hole；Institute
It states and is provided with first rotating shaft 18 in strip-shaped hole, the back side of the first rotating shaft is set as square protruding 18-1, the square protruding
It can be stuck in the square groove, the front of the first rotating shaft is provided with pressure spring 18-2 and the first torsional spring 18-3, and described first
The link position of torsional spring and the first rotating shaft is located at the positive one end of the first rotating shaft, and first torsional spring is not with described the
One end of one shaft connection is against on first movable part；Phase interworking is provided on first fixed part and the first movable part
The first arc-shaped depression portion 19 closed, the surface of first arc-shaped depression portion is provided with the first anti-slip layer 19-1；Second clamping part
Including the second fixed part 17-1 and the second movable part 17-2, what second fixed part and first fixed part were integrated, institute
It states and is fixed with the second shaft 20 on the second fixed part, the movable part is articulated on the fixed part by the second shaft, described
One end that second shaft is not connect with second fixed part is connected with the second torsional spring 22, and second torsional spring is not with described second
One end of shaft connection is against on second movable part；Mutual cooperation is provided on second fixed part and the second movable part
The second arc-shaped depression portion 21, the surface of second arc-shaped depression portion is provided with the second anti-slip layer 21-1.
When in use, the first clamping part is for clamping shelf for this structure, specifically, pulling the first activity, keeps it opposite
First fixed part opens, and then covers two the first arc-shaped depression portions on the bar of shelf, in the active force of the first torsional spring after loosing one's grip
Lower two the first arc-shaped depression portions, which are drawn close, blocks the bar of shelf, which is applicable in cross bar and vertical bar tool, when card cross bar, the
The first arc-shaped depression portion on one movable part exists in the form of hook, the weight other than receiving cylinder and the first movable part, and first
The cooperation of first arc-shaped depression portion of fixed part and the first movable part, forms the effect of lock, further under the action of the first torsional spring
Prevent the first movable part from slipping on permanent bar；When card vertical bar, the first arc-shaped depression portion of the first fixed part and the first movable part cooperates,
The effect that lock is formed under the action of the first torsional spring prevents the first clamping part from gliding along vertical bar, in addition, in the second clamping part
Under gravity, the first clamping part is easy inclination, so that the place for contacting the first anti-slip layer with vertical bar generates lateral component,
The first clamping part is further prevented to glide；
In addition, can further adjust the first movable part by the position for adjusting first rotating shaft and be fixed not relative to first
Opening size, further adapt to the first rotating shaft back side is made specifically, pressing first rotating shaft to the clamping of the bar of different thicknesses
Square protruding be detached from square groove, push and pull first rotating shaft so as to strip-shaped hole both ends, any one for being located at both ends is fixed
In slot, square protruding is stuck in corresponding square groove after loosing one's grip, under the action of pressure spring, square protruding is without departing from side
Shape slot；
In use, the second clamping part for clamping cylinder, specifically, pulling the second activity, makes it with respect to the second fixed part
Open, then two the second arc-shaped depression portions are covered on cylinder, after loosing one's grip under the active force of the second torsional spring two the second arcs
Recess portion, which is drawn close, blocks cylinder.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (6)
1. a kind of simple adjustable negative pressure therapeutic device, which is characterized in that including cylinder (11),
One end of the cylinder has been wholely set lid (12), first raised (13) is provided on the lid, described first is convex
The hole (13-1) being connected to inner barrel space is provided on rising；
Sliding slot (11-1) is axially provided on the inner wall of the cylinder；
Be provided with piston (14) and push rod (15) in the cylinder, the piston close to one end of the lid, the push rod
One end is connect with the piston, and the other end extends one end far from the lid of the cylinder；
Second raised (15-1) with sliding slot cooperation is provided on the push rod, second protrusion can be along the sliding slot
Movement；
It is axially provided on the cylinder multiple fixing grooves (11-2), the fixing groove is connected to the sliding slot and along the cylinder
The inner wall of body circumferentially extends.
2. simple adjustable negative pressure therapeutic device according to claim 1, which is characterized in that be provided in the fixing groove
The locating slot (11-3) to match with second protrusion, the locating slot are located at the fixing groove close to the one of the lid
Side.
3. simple adjustable negative pressure therapeutic device according to claim 1, which is characterized in that the push rod not with the work
One end of plug connection is provided with the first blocking portion (15-2).
4. simple adjustable negative pressure therapeutic device according to claim 3, which is characterized in that on the outer wall of the cylinder,
One end far from the lid is provided with the second blocking portion (11-4) and third blocking portion (11-5).
5. simple adjustable negative pressure therapeutic device according to claim 1-4, which is characterized in that
The piston includes piston only (14-1) and first annular raised (14-2) that is wholely set with the piston only
With the second annular protrusion (14-3), the first annular protrusion is located at the front end of second annular protrusion, described first annular
The diameter of protrusion is less than the diameter of second annular protrusion, close to the first annular protrusion inside the piston only
Position is circumferentially provided with the first hollow portion (14-4), close to the position of second annular protrusion week inside the piston only
To being provided with the second hollow portion (14-5), the front end of the push rod has been wholely set third annular protrusion (15-3), the third
The top of annular protrusion is taper, and bottom is annular, and the middle position of the piston only is provided with the front with the push rod
The blocked hole (14-6) to match, the piston only is placed on the front of the push rod by blocked hole and push rod is fixed, described
The rear end for being internally located at the third protrusion of piston only is circumferentially provided with third hollow portion (14-7), the third hollow portion
It is greater than the volume of first hollow portion with the sum of the volume of second hollow portion, the third hollow part is in described second
The rear side of hollow portion, first hollow portion, the second hollow portion are connected to third hollow portion.
6. simple adjustable negative pressure therapeutic device according to claim 1, which is characterized in that it further include fixed device,
The fixed device includes the first clamping part (16) and the second clamping part (17)；
First clamping part includes the first fixed part (16-1) and the first movable part (16-2), is arranged on first fixed part
Have strip-shaped hole (16-11), the both ends at the back side of the strip-shaped hole are provided with square groove (16-12), the strip-shaped hole it is positive
The position of both ends face square groove is provided with fixation hole (16-13), and two fixation holes are connected to the strip-shaped hole；
It is provided in the strip-shaped hole first rotating shaft (18), the back side of the first rotating shaft is set as square protruding (18-1), institute
Stating square protruding can be stuck in the square groove, and the front of the first rotating shaft is provided with pressure spring (18-2) and the first torsional spring
(18-3), the link position of first torsional spring and the first rotating shaft are located at the positive one end of the first rotating shaft, and described the
One end that one torsional spring is not connect with the first rotating shaft is against on first movable part；
Mutually matched first arc-shaped depression portion (19), first arc are provided on first fixed part and the first movable part
The surface of recess portion is provided with the first anti-slip layer (19-1)；
Second clamping part includes the second fixed part (17-1) and the second movable part (17-2), second fixed part and described
What the first fixed part was integrated, it is fixed on second fixed part the second shaft (20), the movable part passes through the second shaft
It is articulated on the fixed part, one end that second shaft is not connect with second fixed part is connected with the second torsional spring
(22), one end that second torsional spring is not connect with second shaft is against on second movable part；
Mutually matched second arc-shaped depression portion (21), second arc are provided on second fixed part and the second movable part
The surface of recess portion is provided with the second anti-slip layer (21-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148186.XA CN109172885B (en) | 2018-09-29 | 2018-09-29 | Simple and easy adjustable negative pressure treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148186.XA CN109172885B (en) | 2018-09-29 | 2018-09-29 | Simple and easy adjustable negative pressure treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109172885A true CN109172885A (en) | 2019-01-11 |
| CN109172885B CN109172885B (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811148186.XA Active CN109172885B (en) | 2018-09-29 | 2018-09-29 | Simple and easy adjustable negative pressure treatment device |
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| CN (1) | CN109172885B (en) |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2489040A (en) * | 1946-02-14 | 1949-11-22 | Becton Dickinson Co | Holder |
| US4391272A (en) * | 1978-03-10 | 1983-07-05 | Tulcea, S.A. | Disposable syringe |
| FR2632528A3 (en) * | 1988-06-13 | 1989-12-15 | Bengio Joseph | Suction device for nasal mucous |
| CN2107280U (en) * | 1991-12-03 | 1992-06-17 | 赵振松 | Injector booster |
| CN2380241Y (en) * | 1999-06-03 | 2000-05-31 | 卢智敏 | Plastic piston for injector |
| CN2933429Y (en) * | 2006-05-29 | 2007-08-15 | 张健 | Cupping devices |
| US20080262439A1 (en) * | 2004-01-09 | 2008-10-23 | Becton Dickinson And Company | Positive Displacement Flush Syringe |
| US20110039329A1 (en) * | 2009-08-12 | 2011-02-17 | Orogen Biosciences, Inc. | Growth factor extractor |
| CN102825943A (en) * | 2012-09-18 | 2012-12-19 | 林春海 | Rubber plate clamp |
| WO2014022750A1 (en) * | 2012-08-03 | 2014-02-06 | Pdap, Llc | Dispensing and aspirating system including a syringe holding and actuation device |
| CN203647770U (en) * | 2014-01-20 | 2014-06-18 | 姜国勇 | Chinese medicine cupping curer |
| CN203989158U (en) * | 2014-07-18 | 2014-12-10 | 中国人民解放军第四军医大学 | Baffle plate adjustable type syringe negative-pressure drainage system |
| CN104841043A (en) * | 2014-02-19 | 2015-08-19 | 住友橡胶工业株式会社 | Gasket for prefilled syringe and prefilled syringe |
| CN204637084U (en) * | 2015-04-28 | 2015-09-16 | 中国人民解放军第三军医大学第一附属医院 | Depression drainage device |
| CN106163593A (en) * | 2014-04-02 | 2016-11-23 | 阿普塔斯黛美简易股份公司 | Counterflow-preventing injector assembly |
| CN205698644U (en) * | 2016-03-28 | 2016-11-23 | 西南医科大学附属医院 | Quantitatively negative pressure puncture device |
| CN107441593A (en) * | 2017-09-14 | 2017-12-08 | 石家庄鑫富达医药包装有限公司 | A kind of precharging type syringe |
| US20180055999A1 (en) * | 2016-09-01 | 2018-03-01 | Arthrex, Inc. | Binding syringe |
| CN107899096A (en) * | 2017-12-19 | 2018-04-13 | 广州科荟泽生物科技有限公司 | A kind of negative pressure aspirator and preparation method thereof |
| CN108421097A (en) * | 2018-04-14 | 2018-08-21 | 芜湖启泽信息技术有限公司 | A kind of multifunction aspirator |
| CN207822168U (en) * | 2017-09-04 | 2018-09-07 | 昆明医科大学第二附属医院 | A kind of drainage bag secured adjusted folder |
-
2018
- 2018-09-29 CN CN201811148186.XA patent/CN109172885B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2489040A (en) * | 1946-02-14 | 1949-11-22 | Becton Dickinson Co | Holder |
| US4391272A (en) * | 1978-03-10 | 1983-07-05 | Tulcea, S.A. | Disposable syringe |
| FR2632528A3 (en) * | 1988-06-13 | 1989-12-15 | Bengio Joseph | Suction device for nasal mucous |
| CN2107280U (en) * | 1991-12-03 | 1992-06-17 | 赵振松 | Injector booster |
| CN2380241Y (en) * | 1999-06-03 | 2000-05-31 | 卢智敏 | Plastic piston for injector |
| US20080262439A1 (en) * | 2004-01-09 | 2008-10-23 | Becton Dickinson And Company | Positive Displacement Flush Syringe |
| CN2933429Y (en) * | 2006-05-29 | 2007-08-15 | 张健 | Cupping devices |
| US20110039329A1 (en) * | 2009-08-12 | 2011-02-17 | Orogen Biosciences, Inc. | Growth factor extractor |
| WO2014022750A1 (en) * | 2012-08-03 | 2014-02-06 | Pdap, Llc | Dispensing and aspirating system including a syringe holding and actuation device |
| CN102825943A (en) * | 2012-09-18 | 2012-12-19 | 林春海 | Rubber plate clamp |
| CN203647770U (en) * | 2014-01-20 | 2014-06-18 | 姜国勇 | Chinese medicine cupping curer |
| CN104841043A (en) * | 2014-02-19 | 2015-08-19 | 住友橡胶工业株式会社 | Gasket for prefilled syringe and prefilled syringe |
| CN106163593A (en) * | 2014-04-02 | 2016-11-23 | 阿普塔斯黛美简易股份公司 | Counterflow-preventing injector assembly |
| CN203989158U (en) * | 2014-07-18 | 2014-12-10 | 中国人民解放军第四军医大学 | Baffle plate adjustable type syringe negative-pressure drainage system |
| CN204637084U (en) * | 2015-04-28 | 2015-09-16 | 中国人民解放军第三军医大学第一附属医院 | Depression drainage device |
| CN205698644U (en) * | 2016-03-28 | 2016-11-23 | 西南医科大学附属医院 | Quantitatively negative pressure puncture device |
| US20180055999A1 (en) * | 2016-09-01 | 2018-03-01 | Arthrex, Inc. | Binding syringe |
| CN207822168U (en) * | 2017-09-04 | 2018-09-07 | 昆明医科大学第二附属医院 | A kind of drainage bag secured adjusted folder |
| CN107441593A (en) * | 2017-09-14 | 2017-12-08 | 石家庄鑫富达医药包装有限公司 | A kind of precharging type syringe |
| CN107899096A (en) * | 2017-12-19 | 2018-04-13 | 广州科荟泽生物科技有限公司 | A kind of negative pressure aspirator and preparation method thereof |
| CN108421097A (en) * | 2018-04-14 | 2018-08-21 | 芜湖启泽信息技术有限公司 | A kind of multifunction aspirator |
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| CN109172885B (en) | 2020-11-20 |
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