CN111991632B - Blood aspirator for surgical operation - Google Patents

Blood aspirator for surgical operation Download PDF

Info

Publication number
CN111991632B
CN111991632B CN202010947435.2A CN202010947435A CN111991632B CN 111991632 B CN111991632 B CN 111991632B CN 202010947435 A CN202010947435 A CN 202010947435A CN 111991632 B CN111991632 B CN 111991632B
Authority
CN
China
Prior art keywords
plate
suction
plates
taper pipe
arc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010947435.2A
Other languages
Chinese (zh)
Other versions
CN111991632A (en
Inventor
王冠军
王丽静
陈美伦
高仲淳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Municipal Hospital
Original Assignee
Qingdao Municipal Hospital
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao Municipal Hospital filed Critical Qingdao Municipal Hospital
Priority to CN202010947435.2A priority Critical patent/CN111991632B/en
Publication of CN111991632A publication Critical patent/CN111991632A/en
Application granted granted Critical
Publication of CN111991632B publication Critical patent/CN111991632B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A61M1/0023
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/84Drainage tubes; Aspiration tips
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Abstract

The invention discloses a blood aspirator for surgical operation, which comprises a negative pressure device, wherein the negative pressure device is connected with a liquid collecting bottle through a negative pressure pipe, the bottom of the liquid collecting bottle is provided with a connecting pipe, the bottom of the connecting pipe is connected with a mounting seat, and the bottom of the mounting seat is connected with a plurality of sucking parts; according to the invention, the annular ring blocked by the arc plates is arranged on the inner wall of the suction taper pipe, when blood is drawn, the floating plate pulls the top ends of the arc plates through the silk threads, when drawn blood passes through the space between the arc plates, the blood can apply pressure force to the bottom ends of the arc plates from the position between the two arc plates, the arc plates are tightly attached to the near plates, after the blood is drawn and closed, the first spring pushes the arc plates to separate from the attaching plates, the arc plates are pushed back to the original position, the suction taper pipe is blocked, and then negative pressure generated by the negative pressure device can not absorb external air from the current suction taper pipe, and negative pressure generated by the negative pressure device can be distributed to other suction parts, so that the absorption efficiency of residual blood at other positions is improved.

Description

Blood aspirator for surgical operation
Technical Field
The invention belongs to the technical field, and particularly relates to a blood aspirator for surgical operation.
Background
The negative pressure suction device is a tool for manufacturing a negative pressure state of a suction head of the negative pressure suction device by a certain method, and substances outside the suction head are extruded to the suction head so as to finish a suction effect, the negative pressure suction device consists of a pressure regulator, a liquid collecting bottle, a hose and the like, and the liquid collecting bottle is provided with two hose connectors, one connector is connected with a negative pressure terminal, and the other connector is connected with a working cavity; when the negative pressure terminal is connected, air negative pressure is generated in the liquid collecting bottle, dirt (such as dirt, blood, sputum and the like) is guided to flow into the liquid collecting bottle from the other hose, and when the liquid level in the liquid collecting bottle reaches a certain height, a stop valve on the liquid collecting bottle cover starts to work, and the liquid flowing-in pipeline is cut off, so that liquid in the liquid collecting bottle is prevented from overflowing due to interference.
When the existing blood aspirator is used, if the bleeding range is large, the aspirator with a plurality of aspiration parts is needed to aspirate blood, the aspiration parts share one negative pressure device, and as the blood volume at the edge of the bleeding range is small, after the blood at the edge of the bleeding range is absorbed, the aspiration parts at the subsequent edge can absorb the external air by utilizing the negative pressure generated by the negative pressure device, and the whole negative pressure generated by the negative pressure device can not be fully utilized in the whole working process.
Therefore, it is necessary to solve the above problems by inventing a surgical blood aspirator that can ensure the full use of the negative pressure generated when absorbing blood.
Disclosure of Invention
In view of the above, the present invention provides a blood aspirator for surgical operation to solve the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the blood aspirator for surgical operation comprises a negative pressure device, wherein the negative pressure device is connected with a liquid collecting bottle through a negative pressure pipe, the bottom of the liquid collecting bottle is provided with a connecting pipe, the bottom end of the connecting pipe is connected with a mounting seat, the bottom of the mounting seat is connected with a plurality of suction parts,
the suction part comprises a suction taper pipe, an annular ring is arranged at the position, close to the bottom, of the inner wall of the suction taper pipe, two arc plates are arranged at the bottom of the annular ring, the middle part of each arc plate is hinged with the bottom of the annular ring, a first spring is connected to the top of one end, close to the inner wall of the suction taper pipe, of each arc plate, a fan-shaped groove is formed in the annular ring at the top end of the first spring, the top end of the first spring is connected to the groove wall at the top of the fan-shaped groove, and a silk thread is connected to the top of each arc plate, close to the position of the first spring; an embedded groove is formed in the inner wall of the suction taper pipe at the bottom of the annular ring, a floating plate is arranged in the embedded groove, and one end of the silk thread penetrates through the wall thickness of the annular ring and the wall thickness of the suction taper pipe and is connected with the bottom end of the floating plate; a connecting rod is arranged between the two arc plates, the top end of the connecting rod is a tip, openings are formed in the positions, close to the bottom ends of the arc plates, of the two sides of the connecting rod, the bottom ends of the connecting rod are connected with contact discs, and the contact discs are positioned at the openings at the bottoms of the suction taper pipes; the annular ring is inserted with two translation plates, the two translation plates are in one-to-one correspondence with the two arc plates, one surface of the two translation plates, which is far away from each other, is connected in the wall thickness of the annular ring through a second spring, the bottom of the annular ring at the second spring is provided with a placing groove, the inside of the placing groove is provided with a triangular strip, the bottom surface of the triangular strip is fixedly connected with the arc plates, and one surface of the triangular strip, which is close to the translation plates, is an inclined surface; two sharp plates are arranged at the bottom of the annular ring and are respectively positioned at the front side and the rear side of the arc-shaped plate; the bottom of the arc plate is provided with a tightening plate matched with the arc plate at intervals, and the front end and the rear end of the tightening plate are connected with the inner wall of the suction taper pipe; the front side and the rear side of the connecting rod are connected with the inner wall of the suction taper pipe through elastic ropes.
Preferably, the middle part of the connecting rod is provided with a main repulsion ring, the outer side of the suction taper pipe is provided with a plurality of support rods, the end parts of the support rods are hinged with deflection plates, torsion springs are arranged at the hinged positions of the support rods and the deflection plates, and the top ends of the deflection plates are connected with auxiliary repulsion balls.
Preferably, the deflection plate is inserted with a curved plate, both ends of the curved plate are bent towards a direction far away from the suction taper pipe, the bottom ends of the curved plate are positioned at the bottoms of the deflection plate, the tops of the plurality of curved plates are connected with the same round table membrane, the tops of the round table membranes are connected to the outer surface of the suction taper pipe, and the tops of the deflection plate are in contact with the bottom surface of the round table membrane.
Preferably, the bottom end of the curved plate is serrated, and the tip end of the serrated bottom is rounded.
Preferably, the width of the top of the deflector plate is greater than the width of the bottom, and the width of the deflector plate gradually increases toward the top.
Preferably, a protection pad is arranged at the top of the deflection plate, the protection pad is made of a silica gel material, and the top of the protection pad is contacted with the bottom of the circular truncated cone membrane.
Preferably, the diameter of the contact disc is smaller than the inner diameter of the bottom end of the suction taper pipe, and the bottom edge of the contact disc is subjected to rounding treatment.
Preferably, the embedded grooves are symmetrically distributed on two sides of the inner wall of the suction taper pipe, and the width of the embedded grooves in the front-back direction gradually increases towards the top.
The invention has the technical effects and advantages that:
1. according to the invention, the annular ring blocked by the arc plates is arranged on the inner wall of the suction taper pipe, blood entering the suction taper pipe can lead the floating plate to float upwards for a certain distance, the silk thread can pull the top end of the arc plates, when drawn blood passes through the space between the arc plates, the blood can apply pressure force to the bottom end of the arc plates from the position between the two arc plates, and then the arc plates are tightly attached to the near plate under the action of the pressure force of fluid and the pulling force of the silk thread, after the blood is drawn and closed, the first spring can push the arc plates to be separated from the attaching plate, a part of negative pressure drawn air can enter between the arc plates and the attaching plate, and the restoring force of the first spring acts simultaneously to push the arc plates back to the original position, so that the suction taper pipe at the position is blocked, and then negative pressure generated by the negative pressure device can not absorb external air from the current suction taper pipe any more, and negative pressure generated by the negative pressure device can be distributed to other suction parts, so that the suction strength of the suction parts at other positions can be increased, and the absorption efficiency of the residual blood at other positions is improved;
2. according to the invention, through the rising of the connecting rod, the main repulsive force ring at the middle part of the connecting rod can push the auxiliary repulsive force ball at the top end of the deflection plate at the outer side of the suction taper pipe, so that the bottom end of the deflection plate is driven to approach to the position close to the bottom end of the suction taper pipe, the gaps at the bottom ends of the deflection plates are smaller and smaller, when the air flow generated by negative pressure passes through the gaps of the deflection plates, the intensity is higher, the external blood is pumped faster, namely after the blood is pumped for a period of time, the blood quantity is reduced, and the suction efficiency of the blood at the outer side of the deflection plate is accelerated;
3. according to the invention, the curved plate with the upper end and the lower end inclined towards the direction far away from the suction taper pipe is embedded on one surface of the deflection plate, when the bottom end of the deflection plate is close to the suction taper pipe, the curved plate can move in the deflection plate, so that the top end of the curved plate is far away from the deflection plate, the round platform membrane connected with the top end of the curved plate is pulled by the curved plate, and the top end of the round platform membrane is connected to the surface of the suction taper pipe.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic structural view of the suction portion of the present invention;
FIG. 3 is a cross-sectional view of the suction cone of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic view of the structure of FIG. 3 in another direction in the present invention;
FIG. 6 is an enlarged view of portion B of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of the structure of FIG. 5 with one of the arcuate plates removed in accordance with the present invention;
FIG. 8 is an enlarged view of section C of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic view of the suction cone of the present invention in section along the front side of the arcuate plate;
FIG. 10 is an enlarged view of portion D of FIG. 9 in accordance with the present invention;
FIG. 11 is a schematic view of the structure of the bottom end of the deflector plate of the present invention.
In the figure: the negative pressure device 1, the liquid collecting bottle 2, the connecting pipe 3, the mounting seat 4, the suction part 5, the suction taper pipe 501, the annular ring 502, the arc plate 503, the first spring 504, the sector groove 505, the silk 506, the embedded groove 507, the floating plate 508, the connecting rod 509, the notch 510, the contact disc 511, the translation plate 512, the triangular strip 513, the tip plate 514, the close plate 515, the elastic rope 516, the main repulsive force ring 6, the supporting rod 7, the deflection plate 8, the auxiliary repulsive force ball 9, the bent plate 10, the round platform membrane 11 and the negative pressure pipe 12.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a blood aspirator for surgical operation, as shown in figures 1-11, comprising a negative pressure device 1, wherein the negative pressure device 1 is connected with a liquid collecting bottle 2 through a negative pressure pipe 12, the bottom of the liquid collecting bottle 2 is provided with a connecting pipe 3, the bottom end of the connecting pipe 3 is connected with a mounting seat 4, the bottom of the mounting seat 4 is connected with a plurality of aspiration parts 5,
the suction part 5 comprises a suction taper pipe 501, an annular ring 502 is arranged at a position, close to the bottom, of the inner wall of the suction taper pipe 501, two arc plates 503 are arranged at the bottom of the annular ring 502, the middle part of each arc plate 503 is hinged with the bottom of the annular ring 502, a first spring 504 is connected to the top of one end, close to the inner wall of the suction taper pipe 501, of each arc plate 503, a fan-shaped groove 505 is formed in the annular ring 502 at the top end of the first spring 504, the top end of the first spring 504 is connected to the groove wall at the top of the fan-shaped groove 505, and a silk 506 is connected to the top of each arc plate 503 at the position, close to the first spring 504; an embedded groove 507 is formed in the inner wall of the suction taper pipe 501 at the bottom of the annular ring 502, a floating plate 508 is arranged in the embedded groove 507, and one end of the silk thread 506 penetrates through the annular ring 502 and the wall thickness of the suction taper pipe 501 to be connected with the bottom end of the floating plate 508; a connecting rod 509 is arranged between the two arc plates 503, the top end of the connecting rod 509 is a tip, openings 510 are formed in the positions, close to the bottom ends of the arc plates 503, of the two sides of the connecting rod 509, the bottom ends of the connecting rod 509 are connected with contact discs 511, and the contact discs 511 are positioned at the openings at the bottoms of the suction taper pipes 501; two translation plates 512 are inserted on the annular ring 502, the two translation plates 512 are in one-to-one correspondence with the two arc plates 503, one surface of the two translation plates 512 away from each other is connected in the wall thickness of the annular ring 502 through a second spring, a placing groove is formed in the bottom of the annular ring 502 at the second spring, a triangular strip 513 is arranged in the placing groove, the bottom surface of the triangular strip 513 is fixedly connected with the arc plates 503, and one surface of the triangular strip 513 close to the translation plates 512 is an inclined surface; two sharp plates 514 are arranged at the bottom of the annular ring 502, and the two sharp plates 514 are respectively positioned at the front side and the rear side of the arc plate 503; the bottom of the arc plate 503 is provided with a tightening plate 515 matched with the arc plate at intervals, and the front end and the rear end of the tightening plate 515 are connected with the inner wall of the suction cone 501; the front and back sides of the connecting rod 509 are connected with the inner wall of the suction cone 501 through elastic ropes 516.
As a specific embodiment of the present invention, a main repulsive ring 6 is disposed in the middle of the connecting rod 509, a plurality of support rods 7 are disposed outside the suction cone 501, the end portions of the support rods 7 are hinged with deflection plates 8, torsion springs are disposed at the hinge positions of the support rods 7 and the deflection plates, and the top ends of the deflection plates 8 are connected with secondary repulsive balls 9; when the connecting rod 509 rises, the main repulsive force ring 6 at the middle part of the connecting rod 509 pushes the deflection plate 8 at the outer side of the suction taper pipe 501, the auxiliary repulsive force ball 9 at the top end of the deflection plate 8 plays a role in pushing, the bottom ends of the deflection plate 8 are driven to approach to the position close to the bottom ends of the suction taper pipe 501, gaps at the bottom ends of the plurality of deflection plates 8 are smaller and smaller, when air flow generated by negative pressure passes through the gaps of the deflection plate 8, strength is larger, external blood is pumped faster, namely after blood volume is reduced after blood is pumped for a period of time, the suction efficiency of blood at the outer side of the deflection plate 8 is accelerated.
As a specific embodiment of the invention, the deflection plate 8 is inserted with a curved plate 10, both ends of the curved plate 10 are bent in a direction away from the suction cone 501, the bottom ends of the curved plate 10 are positioned at the bottom of the deflection plate 8, the tops of the plurality of curved plates 10 are connected with the same round table film 11, the tops of the round table films 11 are connected to the outer surface of the suction cone 501, and the tops of the deflection plate 8 are contacted with the bottom surface of the round table film 11; the curved plate 10 with the upper end and the lower end inclined towards the direction far away from the suction taper pipe 501 is embedded in one surface of the deflection plate 8, when the bottom end of the deflection plate 8 is close to the suction taper pipe 501, the curved plate 10 moves inside the deflection plate 8, so that the top end of the curved plate 10 is far away from the deflection plate 8, the curved plate 10 pulls the round platform membrane 11 connected with the top end of the curved plate 10, the top end of the round platform membrane 11 is connected with the surface of the suction taper pipe 501, but simultaneously, the top end of the deflection plate 8 can abut against the round platform membrane 11 from the bottom and stir the round platform membrane 11 to be far away from the suction taper pipe 501 when deflecting, the deformed round platform membrane 11 has a resistance effect on the movement of the curved plate 10, so that the stirring effect of the bottom end of the curved plate 10 on blood is better, and simultaneously, because the curved plate 10 can ascend, when the curved plate 10 translates on the skin, compared with the bottom end of the deflection plate 8, the bottom end of the curved plate is directly contacted with the skin, the uncomfortable feeling of the skin can be obviously reduced.
As a specific embodiment of the present invention, the bottom end of the curved plate 10 is serrated, and the tip of the serrated bottom is rounded; the bottom end of the curved plate 10 is serrated, and the serrated part is subjected to fillet treatment, when moving, the bottom end of the curved plate 10 can be pressed into a plurality of strip-shaped depressions on the skin, blood can be quickly gathered on the deformed skin, and blood outflow is prevented.
As a specific embodiment of the present invention, the width of the top of the deflector plate 8 is larger than the width of the bottom, and the width of the deflector plate 8 gradually becomes larger toward the top; when the bottom end of the deflection plate 8 deflects close to the suction taper pipe 501, a larger deflection distance is provided, and the bottom end of the deflection plate 8 is ensured to deflect smoothly.
As a specific embodiment of the invention, a protection pad is arranged at the top of the deflection plate 8, the protection pad is made of silica gel material, and the top of the protection pad is contacted with the bottom of the round platform film 11; the protection pad can protect the round platform membrane 11, prevents the round platform membrane 11 from causing the damage to the deflection plate 8.
As a specific embodiment of the present invention, the diameter of the contact disc 511 is smaller than the inner diameter of the bottom end of the suction cone 501, and the bottom edge of the contact disc 511 is rounded; the diameter of the contact disc 511 is smaller than the inner diameter of the bottom end of the suction cone 501, so that the contact disc 511 can smoothly enter the suction cone 501, and blood can not normally enter the suction cone 501.
As a specific embodiment of the present invention, the embedded grooves 507 are symmetrically distributed on two sides of the inner wall of the suction cone 501, and the width of the embedded grooves 507 in the front-back direction gradually increases toward the top; the width of the embedded groove 507 in the front-rear direction gradually increases toward the top, so that the floating plate 508 can be conveniently lifted.
The working principle of the invention is as follows:
referring to fig. 1-11 of the specification, when the existing blood aspirator is used, if the bleeding range is large, the aspirator with a plurality of aspiration parts 5 needs to be used for aspirating blood, the aspiration parts 5 share one negative pressure aspirator 1, and as the blood volume at the edge of the bleeding range is small, after the blood at the edge of the bleeding range is absorbed, the aspiration parts 5 at the subsequent edge can absorb external air by utilizing the negative pressure produced by the negative pressure aspirator 1, and can not fully utilize all the negative pressure produced by the negative pressure aspirator 1 in the whole working process; therefore, the invention mainly solves the problem of how to ensure the full utilization of the generated negative pressure when absorbing the blood; the specific measures and the using process are as follows: through the annular ring 502 which is blocked by the arc plate 503 and is arranged on the inner wall of the suction taper pipe 501, at the beginning, after the negative pressure device 1 is started, the negative pressure device 1 generates negative pressure, then the contact disc 511 is pressed to the position where blood stains exist on the skin, the tip of the connecting rod 509 at the top of the contact disc 511 pushes the translation plate 512 to move, when the translation plate 512 moves, the inclined plane of the triangular strip 513 at the top of the arc plate 503 is pushed, the triangular strip 513 is pushed downwards to deflect the arc plate 503, the arc plate 503 is tightly attached to the tightly attached plate 515 which is matched with the bottom of the arc plate 503, due to the action of the negative pressure, blood passes through the two opened arc plates 503, finally, the blood enters the inside of the liquid collecting bottle 2 through the connecting pipe 3, when the generated negative pressure pumps the blood, the contact disc 511 is driven to rise, the connecting rod 509 is continuously risen, the notch 510 at two sides of the connecting rod 509 horizontally corresponds to the translation plate 512, the translation plate 512 can return to the original position under the action of the second spring, meanwhile, the blood entering the suction taper pipe 501 can lead the floating plate 508 to float upwards for a certain distance, the floating plate 508 can drive the top ends of the wires 506 to rise, the wires 506 can pull the top ends of the arc plates 503, when drawn blood passes through the space between the arc plates 503, the blood can apply compressive force to the bottom ends of the arc plates 503 from the position between the two arc plates 503, and then the arc plates 503 are clung to the near plate under the action of the compressive force of fluid and the pulling force of the wires 506, and are in a static state, the first spring 504 can not push the arc plates 503 to return to the original position, after the blood is drawn and closed, the floating plate 508 is not subject to the buoyancy of the blood, the first spring 504 can push the arc plates 503 to be separated from the close plates 515, a part of air drawn by negative pressure can enter between the arc plates 503 and the near plate, and the restoring force of the first spring 504 acts simultaneously, pushing the arc plate 503 back to the original position to seal the suction taper pipe 501, so that the negative pressure generated by the negative pressure device 1 can not absorb external air from the current suction taper pipe 501, and the negative pressure generated by the negative pressure device 1 can be distributed to other suction parts 5, so that the absorption strength of the suction parts 5 at other positions on blood is increased, and the absorption efficiency of the residual blood at other positions is improved; before the next use, the connecting rod 509 can be moved downwards to the initial position by means of a swing; in the invention, each structure in the suction taper pipe 501 is made of medical nano materials, and each structure has lighter weight and higher strength.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. A blood aspirator for surgical operations, comprising a negative pressure device (1), characterized in that: the negative pressure device (1) is connected with a liquid collecting bottle (2) through a negative pressure pipe (12), a connecting pipe (3) is arranged at the bottom of the liquid collecting bottle (2), the bottom end of the connecting pipe (3) is connected with a mounting seat (4), the bottom of the mounting seat (4) is connected with a plurality of suction parts (5), wherein,
the suction part (5) comprises a suction taper pipe (501), an annular ring (502) is arranged at the position, close to the bottom, of the inner wall of the suction taper pipe (501), two arc plates (503) are arranged at the bottom of the annular ring (502), the middle part of each arc plate (503) is hinged with the bottom of each annular ring (502), a first spring (504) is connected to the top of one end, close to the inner wall of the suction taper pipe (501), of each arc plate (503), a fan-shaped groove (505) is formed in the annular ring (502) at the top of the first spring (504), the top of the first spring (504) is connected to the groove wall at the top of the fan-shaped groove (505), and a silk thread (506) is connected to the top of each arc plate (503) at the position, close to the first spring (504); an embedded groove (507) is formed in the inner wall of the suction taper pipe (501) at the bottom of the annular ring (502), a floating plate (508) is arranged in the embedded groove (507), and one end of the silk thread (506) penetrates through the annular ring (502) and the wall of the suction taper pipe (501) to be connected with the bottom end of the floating plate (508); a connecting rod (509) is arranged between the two arc-shaped plates (503), the top end of the connecting rod (509) is a tip, openings (510) are formed in the positions, close to the bottom ends of the arc-shaped plates (503), of the two sides of the connecting rod (509), the bottom ends of the connecting rod (509) are connected with contact discs (511), and the contact discs (511) are located at the openings at the bottoms of the suction taper pipes (501); two translation plates (512) are inserted on the annular ring (502), the two translation plates (512) are in one-to-one correspondence with the two arc plates (503), one surface, away from each other, of the two translation plates (512) is connected in the wall of the annular ring (502) through a second spring, a placing groove is formed in the bottom of the annular ring (502) at the second spring, triangular strips (513) are arranged in the placing groove, the bottom surfaces of the triangular strips (513) are fixedly connected with the arc plates (503), and one surface, close to the translation plates (512), of each triangular strip (513) is an inclined surface; two sharp plates (514) are arranged at the bottom of the annular ring (502), and the two sharp plates (514) are respectively positioned at the front side and the rear side of the arc plate (503); the bottom of the arc-shaped plate (503) is provided with a tightening plate (515) which is matched with the arc-shaped plate at intervals, and the front end and the rear end of the tightening plate (515) are connected with the inner wall of the suction taper pipe (501); the front side and the rear side of the connecting rod (509) are connected with the inner wall of the suction taper pipe (501) through elastic ropes (516).
2. A surgical blood aspirator according to claim 1, wherein: the middle part of connecting rod (509) is provided with main repulsion ring (6), the suction taper pipe (501) outside is provided with a plurality of bracing pieces (7), and bracing piece (7) tip articulates there is deflector (8), and the articulated department of both is provided with the torsional spring, deflector (8) top is connected with from repulsion ball (9).
3. A surgical blood aspirator according to claim 2, wherein: the deflection plate (8) is inserted with a bent plate (10), two ends of the bent plate (10) are bent towards a direction away from the suction taper pipe (501), the bottom ends of the bent plate (10) are located at the bottom of the deflection plate (8), the tops of the plurality of bent plates (10) are connected with the same round table membrane (11), the tops of the round table membranes (11) are connected to the outer surface of the suction taper pipe (501), and the tops of the deflection plate (8) are in contact with the bottom surface of the round table membrane (11).
4. A surgical blood aspirator according to claim 3, wherein: the bottom end of the curved plate (10) is in a zigzag shape, and the tip end of the zigzag bottom is subjected to fillet treatment.
5. A surgical blood aspirator according to claim 3, wherein: the width of the top of the deflection plate (8) is larger than that of the bottom, and the width of the deflection plate (8) gradually increases towards the top.
6. A surgical blood aspirator according to claim 5, wherein: the top of the deflection plate (8) is provided with a protection pad which is made of a silica gel material, and the top of the protection pad is contacted with the bottom of the round platform membrane (11).
7. A surgical blood aspirator according to claim 1, wherein: the diameter of the contact disc (511) is smaller than the inner diameter of the bottom end of the suction taper pipe (501), and the bottom edge of the contact disc (511) is subjected to rounding treatment.
8. A surgical blood aspirator according to claim 1, wherein: the embedded grooves (507) are symmetrically distributed on two sides of the inner wall of the suction taper pipe (501), and the width of the embedded grooves (507) in the front-back direction gradually increases towards the top.
CN202010947435.2A 2020-09-10 2020-09-10 Blood aspirator for surgical operation Active CN111991632B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010947435.2A CN111991632B (en) 2020-09-10 2020-09-10 Blood aspirator for surgical operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010947435.2A CN111991632B (en) 2020-09-10 2020-09-10 Blood aspirator for surgical operation

Publications (2)

Publication Number Publication Date
CN111991632A CN111991632A (en) 2020-11-27
CN111991632B true CN111991632B (en) 2023-09-05

Family

ID=73470056

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010947435.2A Active CN111991632B (en) 2020-09-10 2020-09-10 Blood aspirator for surgical operation

Country Status (1)

Country Link
CN (1) CN111991632B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116673143B (en) * 2023-05-30 2024-01-19 宁波芯辰智能电器有限公司 Backflow-preventing electric spray gun

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109875613A (en) * 2019-04-08 2019-06-14 郑州大学第一附属医院 A kind of obstetrics and gynecology department villus attraction filter
CN110812540A (en) * 2019-11-22 2020-02-21 孙广涛 Automatic aspirator for hepatobiliary surgery

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109875613A (en) * 2019-04-08 2019-06-14 郑州大学第一附属医院 A kind of obstetrics and gynecology department villus attraction filter
CN110812540A (en) * 2019-11-22 2020-02-21 孙广涛 Automatic aspirator for hepatobiliary surgery

Also Published As

Publication number Publication date
CN111991632A (en) 2020-11-27

Similar Documents

Publication Publication Date Title
CN111991632B (en) Blood aspirator for surgical operation
US4732162A (en) Automatic and position-sensitive syringe and method for nonaspirating or aspirating obtaining of blood samples
GB2453811A (en) Cover for keeping food fresh under vacuum
CN213983863U (en) Water leakage prevention device of air conditioner fan
CN114588332A (en) Medical hepatobiliary surgery is with drainage nursing device
CN213949901U (en) Suction cup device
CN111012961B (en) Intracardiac aspirator capable of switching modes at any time and application method thereof
CN211658856U (en) Intracardiac aspirator that can switch mode at any time
CN112587735B (en) Continuous negative pressure drainage device for orthopaedics internal fixation
CN113261894A (en) A overflow structure is prevented in moisturizing for sweeping floor robot
CN209464391U (en) Gynaecology's abdominopelvic cavity tumour suction device
CN219208097U (en) High-safety chest bottle capable of reducing infection risk
CN112134526A (en) Photovoltaic water deflector based on ceramic water guide block
CN209863990U (en) Special amniotic fluid aspirator for obstetrics and gynecology department with backflow prevention function
CN216279409U (en) Self-dredging injection valve
CN219375616U (en) Drainage device
CN217611446U (en) Prevent inflatable arteriopuncture hand supporting pad of gas leakage
CN215718941U (en) Negative pressure water discharging device
CN212302207U (en) Image branch of academic or vocational study film grabber
CN215308754U (en) Neurosurgery is with attracting pipe
CN2803405Y (en) Float type safety transfusion tube
CN117816632B (en) Electric drill accessory belt cleaning device
CN213846515U (en) Ultrasonic controller capable of realizing stable adsorption
CN216319546U (en) Protection device for medical treatment laser head
CN219184684U (en) Debridement nursing device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant