CN108175481B - Improved multipurpose abdominal cavity puncture device for liver disease department - Google Patents
Improved multipurpose abdominal cavity puncture device for liver disease department Download PDFInfo
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- CN108175481B CN108175481B CN201810061139.5A CN201810061139A CN108175481B CN 108175481 B CN108175481 B CN 108175481B CN 201810061139 A CN201810061139 A CN 201810061139A CN 108175481 B CN108175481 B CN 108175481B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
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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
- A61M1/84—Drainage tubes; Aspiration tips
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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
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1021—Abdominal cavity
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Abstract
The invention discloses an improved multipurpose abdominal cavity puncture device for a hepatopathy department, which is novel in structural design, convenient to use and simple to operate, and comprises a puncture needle, an abdominal fluid suction tube and an abdominal pressure relief tube, wherein the abdominal fluid suction tube is connected with the tail end of the puncture needle; the connector comprises a pipe fitting, the tail end of the pipe fitting is connected with the puncture needle, a first channel and a second channel are arranged at the middle upper part in the pipe fitting, the lower ends of the first channel and the second channel are communicated through an inner cavity of the pipe fitting, the upper end of the first channel is communicated with the peritoneal fluid suction pipe, and the upper end of the second channel is communicated with the abdominal pressure relief pipe; the middle upper part of the pipe fitting is provided with a through hole penetrating through the pipe fitting and a first channel and a second channel in the pipe fitting, a push column is movably inserted in the through hole, and one end close to the middle part of the push column is provided with a through hole; the negative pressure adsorption mechanism comprises a flexible air bag communicated with the tail end of the abdominal pressure relief pipe.
Description
Technical Field
The invention relates to a medical instrument, in particular to an improved multipurpose abdominal cavity puncture device for a liver disease department.
Background
The abdominal cavity puncture is a method for determining the property of the effusion of the abdominal cavity, finding out the pathogen and assisting the diagnosis, the puncture needle is needed to be used for treatment during the abdominal cavity puncture, at present, when the pressure exists in the abdominal cavity and the effusion is more, when the puncture needle is used for puncturing the skin of the abdominal cavity, the pressure in the abdominal cavity can be gushed out or sprayed out through the puncture opening in a short time, at the moment, the effusion in the abdominal cavity can also be gushed out or sprayed out, and at the moment, if the attention is not paid or enough protective measures are taken, the pollution to the working environment is very easy to cause, and the infection risk is brought to medical care personnel; secondly, when the existing puncture needle is used, a doctor usually holds the outer wall of the puncture needle smoothly when holding the puncture needle, and the operation of taking the puncture needle is inconvenient; in addition, when the existing puncture needle uses the needle cylinder to suck the effusion in the abdominal cavity after puncturing the skin, the puncture needle needs to be held by a single hand to keep the position temporarily still, in this case, one hand of a doctor is occupied, and meanwhile, the operation of the doctor is troublesome, which is one of the reasons that the existing puncture operation needs two persons to be matched.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to the practical requirements and provide an improved multipurpose abdominal cavity puncture device for the hepatology department, which has novel structural design, convenient use and simple operation.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
discloses an improved multipurpose abdominal puncture device for a hepatology department, which comprises a puncture needle and an abdominal liquid suction tube connected with the tail end of the puncture needle; the method is characterized in that: the puncture needle is characterized by also comprising an abdominal pressure relief pipe, wherein the front end of the abdominal pressure relief pipe is connected with a negative pressure adsorption mechanism, and the tail end of the abdominal pressure relief pipe and the tail end of the abdominal fluid suction pipe are communicated with the puncture needle through a detachable connector;
preferably, the connector comprises a pipe fitting, the tail end of the pipe fitting is connected with the puncture needle, a first channel and a second channel are arranged at the middle upper part in the pipe fitting, the lower ends of the first channel and the second channel are communicated through an inner cavity of the pipe fitting, the upper end of the first channel is communicated with the peritoneal fluid suction pipe, and the upper end of the second channel is communicated with the abdominal pressure relief pipe;
preferably, the middle upper part of the pipe fitting is provided with a through hole penetrating through the pipe fitting and the first channel and the second channel in the pipe fitting, a push column is movably inserted in the through hole, and one end close to the middle part of the push column is provided with a through hole;
preferably, when the left end of the push column is positioned in the through hole and aligned with the side wall of the pipe fitting, the abdominal pressure relief pipe and the puncture needle are communicated through the communication hole, and the abdominal liquid suction pipe is isolated from the puncture needle through the push column; when the right end of the push column is positioned in the through hole and is aligned with the side wall of the pipe fitting, the abdominal fluid suction pipe and the puncture needle are communicated through the communication hole, and the abdominal pressure relief pipe is isolated from the puncture needle through the push column;
preferably, the negative pressure adsorption mechanism comprises a flexible air bag communicated with the tail end of the abdominal pressure relief pipe.
Preferably, the push posts on both sides of the communication hole are respectively provided with an annular groove, a damping sealing rubber ring is arranged in the annular groove, and the outer edge of the damping sealing rubber ring protrudes out of the side wall of the push post.
Preferably, the flexible air bag is connected with the abdominal pressure relief pipe through an air stop valve; the air stop valve comprises a hard pipe fitting, two ends of the hard pipe fitting are respectively connected with the flexible air bag and the abdominal pressure relief pipe, an air outlet is arranged on the side wall of the end part of the hard pipe fitting, which is close to the flexible air bag, of the air outlet and is positioned on a convex pipe extending outwards, an annular step is arranged at the extending end of the convex pipe, a first flexible air stop cushion is arranged on the annular step, and the 1/2 peripheral edge of the first flexible air stop cushion is connected with the annular step;
preferably, a stopper is arranged in the hard pipe fitting close to the abdominal pressure relief pipe, a through hole is formed in the stopper, a second flexible air stopping pad is arranged on the side wall of the stopper close to the flexible air bag, and the 1/2 circumference side of the second flexible air stopping pad is connected with the side wall of the stopper at the edge of the through hole;
preferably, the through hole is trumpet-shaped.
Preferably, the tail end of the peritoneal fluid suction tube is provided with a connector used for being connected with the needle cylinder.
Preferably, the peritoneal fluid suction pipe is provided with a pipe stop clamp.
Preferably, the hose clamp comprises two clamping plates which are arranged on the left and right, the end parts of the two clamping plates are connected through a flexible plastic plate, the inner side walls of the two clamping plates which are arranged in opposite directions are respectively provided with a left bulge and a right bulge which are wavy, when the two clamping plates move in opposite directions and are attached together, the left bulge is positioned in a depressed area between the two right bulges, and similarly, the right bulge is positioned in the depressed area between the two left bulges, and the peritoneal fluid suction tube is clamped by the two clamping plates;
preferably, the peritoneal pipette further comprises a locking mechanism, wherein the locking mechanism comprises an annular fixing piece arranged on the movable end of one clamping plate and a clamping groove arranged on the outer side wall of the movable end of the other clamping plate, when the two clamping plates are folded to clamp the peritoneal pipette, the annular fixing piece is sleeved at the end part of the clamping plate provided with the clamping groove, and the annular fixing piece is positioned in the clamping groove;
preferably, the clamp comprises a U-shaped spring piece, the outer side walls of the two clamping plates are respectively provided with a clamping plate, the clamping plates and the clamping plates are arranged at intervals, an interval inlet formed between each clamping plate and the corresponding clamping plate faces the direction of the fixed end of each clamping plate, and two ends of the spring piece are respectively positioned in the interval at the outer side of the two clamping plates;
preferably, the hose clamp is connected with the connector through a connecting rope arranged on one of the clamping plates.
Preferably, still include a position piece, the position piece of ending includes that a cross section is the fastener of C form, the lower extreme of fastener is connected with a flexible sucking disc that is semicircle form, be equipped with a silica gel damping packing ring on the inner wall of fastener, the fastener is detained through the breach on this fastener on the lateral wall of pjncture needle, at this moment, silica gel damping packing ring enclasping is on the lateral wall of pjncture needle.
Preferably, the puncture needle further comprises a handheld auxiliary part, and the handheld auxiliary part is two annular parts symmetrically arranged at the tail end of the puncture needle.
Preferably, the two annular members are connected by a sleeve, and the sleeve is sleeved on the puncture needle.
Preferably, the sleeve is connected with the puncture needle through a locking mechanism, the locking mechanism comprises two elastic pieces symmetrically arranged at the lower end of the side wall of the pipe fitting, and the inner sides of the lower ends of the two elastic pieces are respectively provided with a locking hook;
preferably, two inclined planes are symmetrically arranged on the side wall of the top end of the sleeve, the two inclined planes correspond to the two elastic pieces in position one by one, a clamping hole is formed in the middle of each inclined plane, and when the sleeve is sleeved on the puncture needle and pushed in the direction of the pipe fitting, the two elastic pieces slide down along the inclined planes under the guidance of the inclined planes, so that the lock hooks are clamped in the holes;
the lower end of the elastic sheet is bent outwards.
The invention has the beneficial effects that:
its structural design of this design is novel, convenient to use, easy operation, and in use still has following advantage:
1. this design in use can discharge the pressure in the abdominal cavity when the puncture through negative pressure adsorption mechanism, the emergence of hydrops gushing out or blowout phenomenon appears when avoiding the puncture, simultaneously, can guarantee operational environment's cleanness, avoids medical personnel to receive the infection of hydrops.
2. This design is through the design of handheld auxiliary member, can make things convenient for the doctor to grip the use when puncturing when using, and the use of giving medical personnel brings the facility, and simultaneously, the handheld auxiliary member of this design adopts the mode of detachable installation, can install and use as required in the use, uses in a flexible way, installation dismantlement is simple.
3. This design can be fixed the position of puncture needle through the design in use of ending the position piece, especially when using the cylinder extraction to the intra-abdominal cavity hydrops, can adopt this end position piece to fix a position the position of pjncture needle, doctor's both hands can be liberated to this mode, it becomes possible to implement the puncture art with the one man, and the end position piece of this design cooperates with the pjncture needle that can be convenient through the fastener design in use that is the C form, and it is convenient to dismantle, the one hand can be taken off it from the pjncture needle, convenient to use.
4. The design has other advantages, and the corresponding structures are provided in the embodiments.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is a schematic view of the hose clamp of the present invention;
FIG. 4 is a schematic structural view of the hose clamp in use according to the present invention;
FIG. 5 is a schematic view of a structure of the connecting head of the present invention;
FIG. 6 is a schematic view of another state structure of the connecting head of the present invention;
FIG. 7 is another schematic structural view of the present invention;
FIG. 8 is a partial structural view of another structure of the present invention;
FIG. 9 is a schematic view of the structure of the elastic sheet of the present invention;
FIG. 10 is a schematic view of a stop member according to the present invention;
fig. 11 is a schematic structural view of a stop member in use according to the present invention.
In the figure:
A. a negative pressure adsorption mechanism;
101. puncturing needle;
201. the damping sealing rubber ring comprises a pipe fitting, 202 push columns, 203 first passages, 204 second passages, 205 communication holes, 206 and 207 damping sealing rubber rings;
301. an abdominal pressure relief pipe, 302 an abdominal fluid suction pipe, 303 a connector;
401. the clamp comprises a pipe stop clamp, a clamp plate 402, a left bulge 403, a right bulge 404, a concave area 405, an annular fixing piece 406, a clamping groove 407, clamping plates 408 and 409, and a spring piece 410;
501. the flexible air bag comprises a flexible air bag, 502 hard pipe fittings, 503 convex pipes, 504 exhaust ports, 505 first flexible air stopping cushions, 506 annular steps, 507 through holes, 508 second flexible air stopping cushions;
601. the lower end of the ring-shaped piece, the sleeve 602, the sleeve 603, the inclined plane 604, the clamping hole 605, the elastic piece 606, the locking hook 606, the elastic piece 607;
701. fastener, 702 flexible sucker, 703 silica gel damping washer.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
example 1: an improved abdominal cavity puncture device for a multi-purpose liver disease department is shown in figures 1 to 11.
It includes pjncture needle 101, the peritoneal aspiration pipe 302, the abdominal pressure release pipe 301 of being connected with pjncture needle 101 tail end of this device, the front end of abdominal pressure release pipe 301 is connected with negative pressure adsorption apparatus and constructs, the tail end of abdominal pressure release pipe 301 and the tail end of peritoneal aspiration pipe 302 communicate with pjncture needle 101 through a detachable connector.
Specifically, as shown in fig. 1, 5, and 6, the connector includes a pipe 201 having a tail end connected to the puncture needle 101, a first channel 203 and a second channel 204 are disposed at a middle upper portion of the inside of the pipe, lower ends of the first channel 203 and the second channel 204 are communicated with each other through an inner cavity of the pipe 201, an upper end of the first channel 203 is communicated with the peritoneal fluid suction tube 302, and an upper end of the second channel 204 is communicated with the abdominal pressure relief tube 301.
Furthermore, the middle upper portion of the pipe 201 is provided with a through hole penetrating through the pipe 201 and the first channel 203 and the second channel 204 in the pipe, a push column 202 is movably inserted in the through hole, and a through hole 205 is arranged at one end close to the middle of the push column 202.
As shown in fig. 5, when the left end of the push column 202 is positioned in the through hole and aligned with the side wall of the pipe fitting, the communication hole 205 communicates the abdominal pressure relief tube 301 with the puncture needle 101, and at this time, the abdominal liquid suction tube 302 is isolated from the puncture needle 101 by the push column 202; as shown in fig. 6, when the right end of the push rod 202 is positioned in the through hole and aligned with the sidewall of the tube 201, the communicating hole 205 communicates the peritoneal fluid suction tube 302 with the puncture needle 101, and at this time, the peritoneal pressure release tube 301 is isolated from the puncture needle 101 by the push rod 202, so that the peritoneal pressure release tube 301 or the peritoneal fluid suction tube 302 can be alternatively communicated with the puncture needle 101 by changing the position of the push rod.
Furthermore, in order to improve the sealing performance and stability of the push column during movement, the push column on both sides of the communication hole 205 is respectively provided with an annular groove, the annular grooves are internally provided with damping sealing rubber rings 206 and 207, the outer edges of the damping sealing rubber rings 206 and 207 protrude out of the side walls of the push column, and the damping sealing rubber rings 206 and 207 can improve the sealing performance of the communicated pipeline and ensure that the push column can move autonomously and carelessly after movement.
Specifically, referring to fig. 1 and 2, the negative pressure adsorption mechanism a includes a flexible air bag 501 communicated with the tail end of the abdominal pressure relief pipe, and the flexible air bag 501 is connected with the abdominal pressure relief pipe 301 through an air stop valve.
Specifically, the air stop valve comprises a hard pipe 502, two ends of the hard pipe 502 are respectively connected with the flexible air bag 501 and the abdominal pressure relief pipe 301, an exhaust port 504 is arranged on the side wall of the end part of the hard pipe 502 close to the flexible air bag 501, the exhaust port 504 is positioned on a convex pipe 503 extending outwards, an annular step 506 is arranged on the extending end of the convex pipe 503, a first flexible air stop pad 505 is arranged on the annular step 506, and the 1/2 circumference of the first flexible air stop pad 505 is connected with the annular step 506.
Furthermore, a stopper is arranged in the hard pipe fitting in the direction close to the abdominal pressure relief pipe 302, a through hole 507 is formed in the stopper, the through hole 507 is horn-shaped, a second flexible air stopping pad 508 is arranged on the side wall of the stopper in the direction close to the flexible air bag 501, and the 1/2 circumference side of the second flexible air stopping pad 508 is connected with the side wall of the stopper at the edge of the through hole.
Through the design of the structure of the negative pressure adsorption mechanism A, when the flexible air bag 501 is extruded, the air in the flexible air bag 501 is discharged into the hard pipe fitting, at the moment, the air flow in the hard pipe fitting is collected, the second flexible air stop pad 508 is extruded on the side wall of the stopper by the air flow and seals the through hole, and the air flow is prevented from entering the abdominal cavity through the abdominal pressure relief pipe and the puncture needle; and at this moment, first flexible air stopping pad 505 is jacked up by the air current, the air current discharges through gas vent 504, and when loosening extrusion flexible gasbag 501, extrusion flexible gasbag 501 forms the negative pressure source, at this moment, first flexible air stopping pad 505 is adsorbed on cyclic annular step by the negative pressure, gas vent 504 is sealed by first flexible air stopping pad 505, at this moment, second flexible air stopping pad 508 is inhaled by the negative pressure, suck away the pressure in the abdominal cavity through this negative pressure, simultaneously, the weak negative pressure that forms when recovering through this flexible gasbag 501 can avoid pjncture needle and the intraductal air admission of abdominal pressure relief to cause the influence to the patient in the abdominal cavity.
Furthermore, the tail end of the peritoneal fluid suction tube is provided with a connector 303 used for being connected with the needle cylinder.
Further, in order to avoid the influence on the patient caused by the air remained in the peritoneal pipette entering into the abdominal cavity, the peritoneal pipette is also provided with a pipe stop 401.
Specifically, as shown in fig. 1, 3, and 4, the hose clamp 401 includes two clamp plates 402 disposed on the left and right, the ends of the two clamp plates 402 are connected by a flexible plastic plate, the inner side walls of the two clamp plates disposed in opposite directions are respectively provided with a left protrusion 403 and a right protrusion 404 in a wavy shape, when the two clamp plates 402 move in opposite directions and stick to each other, the left protrusion 403 is located in a recessed area 405 between the two right protrusions 404, and similarly, the right protrusion is located in the recessed area between the two left protrusions, and the peritoneal fluid suction tube is clamped by the two clamp plates, and the state at this time is as shown in fig. 4.
Further, the locking mechanism for locking the pipe stopper 401 is further included, specifically, the locking mechanism includes an annular fixing member 406 disposed on the movable end of one of the clamp plates and a clamping groove 407 disposed on the outer side wall of the movable end of the other clamp plate, when the two clamp plates are closed to clamp the peritoneal pipette 302, the annular fixing member 406 is sleeved on the end portion of the clamp plate provided with the clamping groove, and the annular fixing member 406 is located in the clamping groove 407.
Further, in order to realize resilience between the two clamping plates, the clamping plate clamp 401 of the clamping plate clamp further comprises a U-shaped spring plate 410, clamping plates 408 and 409 are respectively arranged on the outer side walls of the two clamping plates 402, the clamping plates 408 and the clamping plates 402 are arranged at intervals, an inlet of an interval formed between each clamping plate and the corresponding clamping plate faces to the direction of the fixed end of the corresponding clamping plate, and two ends of the spring plate 410 are respectively located in the interval outside the two clamping plates.
Furthermore, the pipe stopper is connected with the connector through a connecting rope arranged on one of the clamping plates.
Further, as shown in fig. 10 and 11, the puncture needle further comprises a stop member, the stop member comprises a clamping piece 701 with a C-shaped cross section, the lower end of the clamping piece 701 is connected with a semicircular flexible sucker 702, a silica gel damping washer 703 is arranged on the inner wall of the clamping piece 701, the clamping piece 701 is buckled on the side wall of the puncture needle through a notch on the clamping piece, at this time, the silica gel damping washer is tightly embraced on the side wall of the puncture needle, the position of the puncture needle can be fixed in use through the design of the stop member, especially when a needle cylinder is used for extracting effusion in abdominal cavity, the position of the puncture needle can be positioned by the stop member, both hands of a doctor can be released, the puncture operation by a single person becomes possible, and the stop member of the design can be conveniently matched with the clamping piece of the puncture needle in use through the design of the C-shaped cross section, and the dismounting is convenient, the puncture needle can be taken down by one hand, and the use is convenient.
Further, as shown in fig. 7, 8 and 9, the puncture needle further comprises a handheld auxiliary member, the handheld auxiliary member is two ring-shaped members 601 symmetrically arranged at the tail end of the puncture needle, the two ring-shaped members 601 are connected through a sleeve 602, and the sleeve 602 is sleeved on the puncture needle 101.
Further, the cannula 602 is connected with the puncture needle through a locking mechanism, specifically, the locking mechanism includes two elastic pieces 605 symmetrically arranged at the lower end of the side wall of the tube, and the inner sides of the lower ends of the two elastic pieces are respectively provided with a locking hook 606; meanwhile, two inclined planes 603 are symmetrically arranged on the side wall of the top end of the sleeve 602, the two inclined planes 603 correspond to the two elastic pieces in position one to one, a clamping hole 604 is formed in the middle of each inclined plane 603, and when the sleeve is sleeved on the puncture needle and pushed in the pipe fitting direction, the two elastic pieces slide downwards along the inclined planes through the guiding of the inclined planes, so that the locking hooks are clamped in the holes, and the handheld auxiliary part is fixed on the puncture needle.
Furthermore, the lower end 607 of the elastic piece is bent outwards, and the latch hook clamped in the latch hole can be conveniently pulled out through the design of the bent part, so that the handheld auxiliary part arranged on the puncture needle can be conveniently detached.
The device can be used in the following way in use:
1. the clamp of the pipe clamp clamps the peritoneal dialysis catheter to block the passage in the peritoneal dialysis catheter, and the influence on the patient caused by the air remained in the peritoneal dialysis catheter entering the abdominal cavity is avoided.
2. The push post is pushed to the position shown in figure 5.
3. Whether the handheld auxiliary part is installed or not is selected according to needs, if the handheld auxiliary part needs to be installed, the sleeve can be sleeved on the puncture needle and fixed through the matching of the lock hook and the clamping hole, and if the handheld auxiliary part does not need to be installed, the next step can be directly carried out.
4. The pressing air bag forms negative pressure in the abdominal pressure relief pipe.
5. Use the puncture to the abdominal cavity, during the puncture, pressure and partial hydrops in the abdominal cavity upwards discharge through pjncture needle, abdominal pressure release pipe, avoid the hydrops to gush out or blowout.
6. After puncture, the puncture needle is fixed by the stop piece after the puncture needle is positioned, and then the push column is pushed to the state shown in figure 6, and at the moment, the peritoneal fluid suction tube is communicated with the puncture needle through the through hole.
7. The needle cylinder is connected with the connector, the pipe stop clamp is opened, and effusion extraction operation is carried out.
Thus, the puncture operation can be performed in the above manner.
Other operations such as disinfection before operation are not the design, and the present embodiment will not be described herein.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (8)
1. An improved multi-purpose abdominal puncture device for liver disease department, which comprises a puncture needle and an abdominal liquid suction tube connected with the tail end of the puncture needle; the method is characterized in that: the puncture needle is characterized by also comprising an abdominal pressure relief pipe, wherein the front end of the abdominal pressure relief pipe is connected with a negative pressure adsorption mechanism, and the tail end of the abdominal pressure relief pipe and the tail end of the abdominal fluid suction pipe are communicated with the puncture needle through a detachable connector;
the connector comprises a pipe fitting, the tail end of the pipe fitting is connected with the puncture needle, a first channel and a second channel are arranged at the middle upper part in the pipe fitting, the lower ends of the first channel and the second channel are communicated through an inner cavity of the pipe fitting, the upper end of the first channel is communicated with the peritoneal fluid suction pipe, and the upper end of the second channel is communicated with the abdominal pressure relief pipe;
the middle upper part of the pipe fitting is provided with a through hole penetrating through the pipe fitting and a first channel and a second channel in the pipe fitting, a push column is movably inserted in the through hole, and one end close to the middle part of the push column is provided with a through hole;
when the left end of the push column is positioned in the through hole and aligned with the side wall of the pipe fitting, the abdominal pressure relief pipe is communicated with the puncture needle through the communication hole, and the abdominal liquid suction pipe is isolated from the puncture needle through the push column; when the right end of the push column is positioned in the through hole and aligned with the side wall of the pipe fitting, the abdominal fluid suction pipe is communicated with the puncture needle through the communication hole, and the abdominal pressure relief pipe is isolated from the puncture needle through the push column;
the negative pressure adsorption mechanism comprises a flexible air bag communicated with the tail end of the abdominal pressure relief pipe; the push columns on the two sides of the communicating hole are respectively provided with an annular groove, a damping sealing rubber ring is arranged in the annular groove, and the outer edge of the damping sealing rubber ring protrudes out of the side wall of the push column;
the flexible air bag is connected with the abdominal pressure relief pipe through an air stop valve; the air stop valve comprises a hard pipe fitting, two ends of the hard pipe fitting are respectively connected with the flexible air bag and the abdominal pressure relief pipe, an air outlet is arranged on the side wall of the end part of the hard pipe fitting, which is close to the flexible air bag, of the air outlet and is positioned on a convex pipe extending outwards, an annular step is arranged at the extending end of the convex pipe, a first flexible air stop cushion is arranged on the annular step, and the 1/2 peripheral edge of the first flexible air stop cushion is connected with the annular step;
a stopper is arranged in the hard pipe fitting close to the abdominal pressure relief pipe, a through hole is formed in the stopper, a second flexible air stopping pad is arranged on the side wall of the stopper close to the flexible air bag, and the 1/2 circumference side of the second flexible air stopping pad is connected with the side wall of the stopper at the edge of the through hole;
the through hole is trumpet-shaped.
2. The improved abdominal cavity puncturing device for the multi-purpose liver disease department as set forth in claim 1, wherein: the tail end of the peritoneal fluid suction tube is provided with a connector used for being connected with the needle cylinder.
3. The improved abdominal cavity puncturing device for the multi-purpose liver disease department as set forth in claim 2, wherein: the peritoneal fluid suction tube is provided with a pipe stop clamp.
4. The improved abdominal cavity puncturing device for the multi-purpose liver disease department as set forth in claim 3, wherein: the clamp comprises two clamping plates which are arranged on the left and right, the end parts of the two clamping plates are connected through a flexible plastic plate, the inner side walls of the two clamping plates which are arranged in opposite directions are respectively provided with a left bulge and a right bulge which are wavy, when the two clamping plates move in opposite directions and are attached together, the left bulge is positioned in a depressed area between the two right bulges, and similarly, the right bulge is positioned in the depressed area between the two left bulges, and the peritoneal fluid suction tube is clamped by the two clamping plates;
the locking mechanism comprises an annular fixing piece arranged on the movable end of one of the clamping plates and a clamping groove arranged on the outer side wall of the movable end of the other clamping plate, when the two clamping plates are folded to clamp the peritoneal pipette, the annular fixing piece is sleeved at the end part of the clamping plate provided with the clamping groove, and the annular fixing piece is positioned in the clamping groove;
the clamping plates are arranged on the outer side walls of the two clamping plates respectively, the clamping plates and the clamping plates are arranged at intervals, an interval inlet formed between each clamping plate and the corresponding clamping plate faces the direction of the fixed end of each clamping plate, and two ends of each spring piece are located in the interval on the outer side of each clamping plate respectively;
the pipe stop clamp is connected with the connector through a connecting rope arranged on one of the clamping plates.
5. The improved abdominal cavity puncturing device for the multi-purpose liver disease department as set forth in claim 4, wherein: still include a stop piece, stop piece includes that the cross section is the fastener of C form, the lower extreme of fastener is connected with a flexible sucking disc that is semicircle form, be equipped with a silica gel damping packing ring on the inner wall of fastener, the fastener is detained through the breach on this fastener on the lateral wall of pjncture needle, at this moment, silica gel damping packing ring is held tightly on the lateral wall of pjncture needle.
6. The improved abdominal cavity puncturing device for the multi-purpose liver disease department as set forth in claim 5, wherein: the puncture needle further comprises a handheld auxiliary part, wherein the handheld auxiliary part is two annular parts symmetrically arranged at the tail end of the puncture needle.
7. The improved abdominal cavity puncturing device for the multi-purpose liver disease department as set forth in claim 6, wherein: the two annular pieces are connected through a sleeve, and the sleeve is sleeved on the puncture needle.
8. The improved laparoscopic puncture device for multiple use in hepatics department according to claim 7, wherein: the sleeve is connected with the puncture needle through a locking mechanism, the locking mechanism comprises two elastic sheets symmetrically arranged at the lower end of the side wall of the pipe fitting, and the inner sides of the lower ends of the two elastic sheets are respectively provided with a lock hook;
the side wall of the top end of the sleeve is symmetrically provided with two inclined planes, the two inclined planes correspond to the two elastic pieces in position one by one, the middle part of each inclined plane is provided with a clamping hole, and when the sleeve is sleeved on the puncture needle and pushed in the direction of a pipe fitting, the two elastic pieces slide down along the inclined planes through the guide of the inclined planes, so that the lock hooks are clamped in the holes;
the lower end of the elastic sheet is bent outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061139.5A CN108175481B (en) | 2018-01-22 | 2018-01-22 | Improved multipurpose abdominal cavity puncture device for liver disease department |
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| CN2109853U (en) * | 1991-12-09 | 1992-07-15 | 王立君 | Injection intestines multifunction douche apparatus |
| WO2008052791A1 (en) * | 2006-07-31 | 2008-05-08 | B. Braun Melsungen | Catheter apparatus with infusion port and valves |
| CN103533973A (en) * | 2011-05-16 | 2014-01-22 | 泰尔茂株式会社 | Clamp and blood bag system |
| CN104161573A (en) * | 2014-08-29 | 2014-11-26 | 河南科技大学第一附属医院 | Artery puncture needle |
| CN205903461U (en) * | 2016-04-28 | 2017-01-25 | 广州市和厚信息科技有限公司 | Chest abdomen drainage ware for internal medicine |
| CN206482640U (en) * | 2016-11-27 | 2017-09-12 | 中国人民解放军第四军医大学 | A kind of Cardiological sting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2109853U (en) * | 1991-12-09 | 1992-07-15 | 王立君 | Injection intestines multifunction douche apparatus |
| WO2008052791A1 (en) * | 2006-07-31 | 2008-05-08 | B. Braun Melsungen | Catheter apparatus with infusion port and valves |
| CN103533973A (en) * | 2011-05-16 | 2014-01-22 | 泰尔茂株式会社 | Clamp and blood bag system |
| CN104161573A (en) * | 2014-08-29 | 2014-11-26 | 河南科技大学第一附属医院 | Artery puncture needle |
| CN205903461U (en) * | 2016-04-28 | 2017-01-25 | 广州市和厚信息科技有限公司 | Chest abdomen drainage ware for internal medicine |
| CN206482640U (en) * | 2016-11-27 | 2017-09-12 | 中国人民解放军第四军医大学 | A kind of Cardiological sting device |
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| CN108175481A (en) | 2018-06-19 |
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