CN111297454B - Tumor picker for oncology department - Google Patents
Tumor picker for oncology department Download PDFInfo
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- CN111297454B CN111297454B CN202010191660.8A CN202010191660A CN111297454B CN 111297454 B CN111297454 B CN 111297454B CN 202010191660 A CN202010191660 A CN 202010191660A CN 111297454 B CN111297454 B CN 111297454B
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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
- A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
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Abstract
The invention discloses a tumor picker for oncology, which comprises a picking piece, a gas pipe and a negative pressure generator, wherein the picking piece is connected with the negative pressure generator through the gas pipe, the picking piece comprises a body, a pressing handle and a picking pipe, a pressure regulating cavity channel and a negative pressure channel are respectively arranged in the body, a valve hole is arranged on the body, a control valve is arranged in the valve hole, the picking pipe is fixedly connected with the pressure regulating cavity port of the pressure regulating cavity channel, the picking pipe is communicated with the pressure regulating cavity channel, the pressing handle is hinged on the body, the pressing handle can be matched with the control valve in a pressing way after being pulled, an air hole is arranged at the bottom of the valve hole, an air inlet channel is arranged on a valve core of the control valve, the air inlet channel is communicated with the air hole, and the pressure regulating, the gas pocket and the outside intercommunication of body, reasonable in design, convenient to use utilize the effectual fixed tumour of ingesting of negative pressure principle, can not cause the fracture of tumour.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to a tumor picker for oncology.
Background
The tumor is an abnormal lesion formed by clonal abnormal hyperplasia of a certain cell of a local tissue due to the loss of normal regulation and control on the growth of the certain cell at the gene level under the action of various carcinogenic factors of an organism, and the tumor tissue has different degrees from the normal tissue of the local tissue no matter on the cell morphology and the tissue structure.
When a surgeon performs an operation on a patient, the tumor is generally extracted by medical tweezers in a tumor resection operation, but when the tweezers are used for extracting the tumor, only two stress points of the tumor are small in stress area, if the force is too small, the tumor cannot be clamped, if the force is too large, the tumor is easy to crush, the operation is inconvenient, and sometimes unnecessary difficulty is increased, the tumor focus is easy to be damaged by hands or instruments, the original shape is lost, the pathological condition of the focus is judged by the surgeon from the appearance of the focus is influenced, certain influence is brought to further diagnosis of the disease condition, when in the operation, the opening is small, the tweezers are easy to touch peripheral tissues to damage the peripheral tissues during extraction, the tumor is cracked in the process of clamping and pulling the tumor, and the risk of implantation and transfer to other parts can exist in the incomplete tumor after cracking, the tumor is not stably fixed by a better clamping fixer, so that when a fine tumor resection operation is needed, the operation precision is low, the time spent is long, and the innovation of a complete tumor resection tool is particularly important.
Disclosure of Invention
The tumor collector is reasonable in design and convenient to use, effectively collects and fixes tumors by utilizing a negative pressure principle, does not cause the tumors to break, can quickly control the on-off of negative pressure so as to realize quick adjustment of the collecting position, ensures that the operation can be quickly and effectively carried out, reduces the operation time and improves the success rate of the operation.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a tumor picker for oncology department comprises a picking piece, a gas pipe and a negative pressure generator, wherein the picking piece is connected with the negative pressure generator through the gas pipe, the picking piece comprises a body, a pressing handle and a picking pipe, a pressure regulating cavity channel and a negative pressure channel are respectively arranged in the body, a valve hole is arranged on the body, a control valve is arranged in the valve hole, the picking pipe is fixedly connected at the pressure regulating cavity port of the pressure regulating cavity channel and communicated with the pressure regulating cavity channel, the pressing handle is hinged on the body, the pressing handle can be matched with the control valve in a pressing mode after being pulled, an air hole is arranged at the bottom of the valve hole, an air inlet channel is arranged on a valve core of the control valve, the air inlet channel is communicated with the air hole, the pressure regulating cavity channel is communicated with the outside of the body through the air inlet channel and the air hole, when the pressure regulating cavity channel and the negative pressure channel are communicated through the control valve, the control valve cuts off the pressure regulating cavity channel and, when the control valve cuts off the communication between the pressure regulating cavity channel and the negative pressure channel, the control valve opens the air inlet channel to communicate with the pressure regulating cavity channel, and external air enters the pressure regulating cavity channel from the air hole and the air inlet channel.
In order to optimize the technical scheme, the adopted measures further comprise:
the suction pipe is provided with an antifouling box, the antifouling box is composed of two hemispheroids which are clamped with each other, a circle of blocking table is arranged on the inner wall of a joint in the hemisphere, an annular groove is formed by the blocking table at the joint after the two hemispheroids are connected, a waterproof breathable piece is arranged at the annular groove and composed of a support ring and a waterproof breathable film, the periphery of the waterproof breathable film is fixed on the support ring, and the periphery of the support ring is fixed in the annular groove.
The control valve also comprises a valve sleeve and a spring, the valve sleeve is fixed in the valve hole in a pouring mode, the valve core is assembled in an installation cavity of the valve sleeve in a sliding mode, the installation cavity is a through hole which penetrates through the inner end and the outer end of the valve sleeve, the outer end of the valve core extends out of the outer end of the valve sleeve and can be matched with the jacking and pressing contact of the pressing handle, the valve sleeve is provided with through holes corresponding to the pressure regulating cavity channel and the negative pressure channel, the valve core is provided with an inner sealing ring, the inner sealing ring is in sliding fit with the inner wall of the valve sleeve and used for controlling the on-off of air flow between the pressure regulating cavity channel and the negative pressure channel and controlling the on-off of air flow between the air inlet.
The inner sealing ring is provided with an air inlet groove corresponding to the air inlet channel, and the valve core is provided with an air flow channel which is positioned at the left side of the inner sealing ring and is used for communicating the pressure regulating cavity channel with the negative pressure channel.
The valve core is sleeved with an outer sealing ring which is positioned on the left side of the air flow channel and used for preventing external air from entering between the outer peripheral wall of the valve core and the inner peripheral wall of the valve sleeve.
The outer end part of the valve sleeve is detachably connected with a gland, the center of the gland is provided with a center hole, the outer end of the valve core can shuttle in the center hole, the center hole is provided with a guide groove, the valve core is provided with a guide rail matched with the guide groove, so that the valve core is guided to linearly extend and retract along the valve sleeve, the inner end of the gland is provided with a cushion pad, and the airflow channel is an annular groove arranged on the valve core.
Foretell lower extreme of ingesting the pipe is connected with adsorbs the piece, adsorbs the piece and includes connector and absorption cover, and the lower extreme of ingesting the pipe is pegged graft in the connector, adsorbs the piece and sets into multiple specification according to adsorbing the cover size.
The inner peripheral wall of the connector of the adsorption piece is inwards provided with a circle of flange body, the lower end surface of the intake tube is in interference fit with the upper end surface of the flange body, and the inner peripheral ring of the flange body upwards vertically extends to form a convex edge matched with the inner tube wall of the intake tube.
The negative pressure generator is provided with a pressure regulator, the pressure regulator is set into a corresponding regulating gear according to the specification of the adsorption piece, the pressure regulator consists of a pressure sensor and a transmitting circuit, and the CPU modular signal processor of the negative pressure generator detects, displays, alarms and controls signal output of medium pressure signals.
The rear end of the body is connected with a quick-connection sub-joint, and the gas pipe is connected with a quick-connection female joint.
The invention relates to a tumor picker for oncology, which comprises a picking piece, a gas pipe and a negative pressure generator, wherein the picking piece is connected with the negative pressure generator through the gas pipe, the picking piece comprises a body, a pressing handle and a picking pipe, a pressure regulating cavity channel and a negative pressure channel are respectively arranged in the body, a valve hole is arranged on the body, a control valve is arranged in the valve hole, the picking pipe is fixedly connected with the pressure regulating cavity port of the pressure regulating cavity channel, the picking pipe is communicated with the pressure regulating cavity channel, the pressing handle is hinged on the body, the pressing handle can be matched with the control valve in a pressing way after being pulled, an air hole is arranged at the bottom of the valve hole, an air inlet channel is arranged on a valve core of the control valve, the air inlet channel is communicated with the air hole, the pressure regulating cavity channel is communicated with the outside of the body through the air inlet channel and the air hole, when the control valve enables the pressure regulating cavity channel to, in the gaseous negative pressure passageway that gets into in the pressure regulating chamber way, when the control valve cuts off pressure regulating chamber way and negative pressure passageway intercommunication, inlet channel and pressure regulating chamber way intercommunication are opened to the control valve, outside gas gets into in pressure regulating chamber way from gas pocket and inlet channel, and reasonable in design, high durability and convenient use, utilize the effectual fixed tumour that absorbs of negative pressure principle, can not cause breaking of tumour, thereby can the quick adjustment of the break-make of quick control negative pressure of while realizes ingesting the position, guaranteed that the operation can be effectual going on fast, and the operation time is shortened, and the operation success rate is improved.
The invention has the advantages that:
1. the negative pressure generator can continuously provide a negative pressure environment, manual operation is not needed, and the working efficiency is greatly improved;
2. the air pressure change in the uptake pipe can be quickly realized through the control valve, the uptake pipe can quickly adsorb or release the tumor, the adsorption position can be quickly adjusted and adjusted, the tumor can be extracted, and the operation time is reduced;
3. the tumor is adsorbed by negative pressure, so that the tumor focus is not damaged, the original shape is kept, and a surgeon can judge the pathological condition of the focus according to the appearance;
4. peripheral tissues are not easy to touch, the negative pressure adsorbs the tumor, and the tumor cannot be cracked in the tumor dragging process, so that the tumor cannot have the risk of implantation metastasis, and the success rate of the operation is improved;
5. the manufacturing difficulty is greatly reduced, the production cost is reduced, and meanwhile, the external high-pressure gas is utilized to quickly enter the pressure regulating cavity channel, so that the effect of violent vibration of air blasting gas can be generated at the upper port of the pressure regulating cavity channel.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of an intake member of the present invention;
FIG. 3 is an enlarged view of section I of FIG. 2;
FIG. 4 is an enlarged view of section II of FIG. 2;
FIG. 5 is an enlarged view of section III of FIG. 2;
fig. 6 is a schematic perspective view of the valve cartridge of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Fig. 1 to 6 are schematic structural views of the present invention.
Wherein the reference numerals are: the device comprises an intake part 1, a body 11, a pressure regulating cavity 12, a negative pressure channel 13, a valve hole 14, an air hole 15, a quick connector 16, a gas pipe 2, a quick connector 21, a negative pressure generator 3, a pressure regulator 31, a pressing handle 4, an intake pipe 5, an antifouling box 51, a blocking table 52, a ring groove 53, a support ring 54, a waterproof and breathable film 55, a control valve 6, a valve core 60, a gas inlet channel 61, a valve sleeve 62, a spring 63, an inner sealing ring 64, a gas inlet groove 65, a gas flow channel 66, an outer sealing ring 67, a guide rail 68, a cushion pad 69, a gland 7, a guide groove 71, an adsorption part 8, a connector 81, an adsorption cover 82, a flange body 83 and a convex edge 84.
As shown in fig. 1 to 6:
a tumor picker for oncology department comprises a shooting part 1, an air conveying pipe 2 and a negative pressure generator 3, wherein the shooting part 1 is connected with the negative pressure generator 3 through the air conveying pipe 2, the negative pressure generator 3 comprises a pressure cylinder and an air suction pump body, the air suction pump body can enable the pressure cylinder to keep set negative pressure, the negative pressure generator 3 is the prior art and is not described repeatedly, the shooting part 1 comprises a body 11, a pressing handle 4 and a shooting pipe 5, air in the shooting part 1 can be sucked into the pressure cylinder, meanwhile, the air suction pump body keeps the pressure in the pressure cylinder unchanged, a pressure regulating cavity 12 and a negative pressure channel 13 are respectively arranged in the body 11, a valve hole 14 is arranged on the body 11, the body can be formed by one-time injection molding, a control valve 6 is arranged in the valve hole 14, the shooting pipe 5 is fixedly connected to the pressure regulating cavity port of the pressure regulating cavity 12, the shooting pipe 5 is communicated with the pressure regulating cavity 12, and the pressing handle 4, the pressing handle 4 can be matched with the control valve 6 in a pressing mode after being pulled, the air hole 15 is formed in the bottom of the valve hole 14, the air inlet channel 61 is formed in the valve core 60 of the control valve 6, the air inlet channel 61 is always communicated with the air hole 15, when the valve core 60 of the control valve 6 is in an initial state, the pressure regulating cavity channel 12 is communicated with the outside of the body 11 through the air inlet channel 61 and the air hole 15, the ingestion tube 5 is abutted against the surface of a tumor cell when the pressure regulating valve 6 is used, the control valve 6 is pressed through the pressing handle 4, the pressure regulating cavity channel 12 is communicated with the negative pressure channel 13, the control valve 6 cuts off the communication between the pressure regulating cavity channel 12 and the air inlet channel 61, the negative pressure channel 13 is low pressure, the pressure in the pressure regulating cavity channel 12 is high pressure, gas in the pressure regulating cavity channel 12 enters the negative pressure channel 13, the pressure regulating cavity channel 12 and the ingestion tube 5 are in a low pressure state, the tumor surface can be adsorbed, the, simultaneously, inlet channel 61 and pressure regulating chamber way 12 intercommunication are opened to control valve 6, outside gas gets into in pressure regulating chamber way 12 from gas pocket 15 and inlet channel 61, make pressure regulating chamber way 12 and intake pipe 5 unanimous with outside atmospheric pressure, intake pipe 5 no longer adsorbs the tumour surface, just can adjust the adsorption position as required, reasonable in design, high durability and convenient use, utilize the effectual fixed tumour that intakes of negative pressure principle, can not cause the fracture of tumour, thereby can the break-make of quick control negative pressure realize quick adjustment intake position simultaneously, thereby guaranteed that the operation can effectually go on fast, the operation time is reduced, the operation success rate is improved.
In the embodiment, the ingestion tube 5 is provided with the antifouling box 51, the antifouling box 51 is composed of two mutually detachably connected hemispheres, the two hemispheres are connected through threads or clamping, a circle of blocking table 52 is arranged on the inner wall of the joint of the hemispheres, the two hemispheres are connected and form an annular groove 53 at the joint through the blocking table 52, a waterproof breathable piece is installed at the annular groove 53 and consists of a support ring 54 and a waterproof breathable film 55, the periphery of the waterproof breathable film 55 is fixed on the support ring 54, the periphery of the support ring 54 is fixed in the annular groove 53, so that the blood stains on the tumor can be prevented from being sucked into a pressure regulating cavity channel by negative pressure, and the ingestion tube is ensured to have good adsorption effect.
In the embodiment, the control valve 6 further comprises a valve sleeve 62 and a spring 63, the valve sleeve 62 is fixed in the valve hole 14 in a pouring mode, the valve core 60 is slidably assembled in an installation cavity of the valve sleeve 62, the installation cavity is a through hole penetrating through the inner end and the outer end of the valve sleeve 62, the valve core is ensured to be precisely matched with the valve hole by arranging the valve sleeve, the manufacturing difficulty is reduced, the outer end of the valve core 60 extends out of the outer end of the valve sleeve 62 and can be in contact and match with the top pressure of the pressing handle 4, the valve sleeve 62 is provided with through holes corresponding to the pressure regulating cavity channel 12 and the negative pressure channel 13, the valve core 60 is provided with an inner sealing ring 64, the inner sealing ring 64 is in sliding fit with the inner wall of the valve sleeve 62, the inner sealing ring 64 is used for controlling the on-off of air flow between the pressure regulating cavity channel 12 and the negative pressure channel 13 and controlling the on-, the spring can make case automatic re-setting, thereby can quick control negative pressure's break-make realizes quick adjustment and absorbs the position.
In the embodiment, the inner sealing ring 64 is provided with an air inlet groove 65 corresponding to the air inlet channel 61, the valve core 60 is provided with an air flow channel 66 for communicating the pressure regulating cavity channel 12 and the negative pressure channel 13 at the left of the inner sealing ring 64, when the valve core 60 is in an initial state, the inner sealing ring 64 seals the negative pressure channel 13, so that the pressure regulating cavity channel 12 and the negative pressure channel 13 can not be communicated, at the moment, the pressure regulating cavity channel 12 is communicated with the outside of the body 11 through the air inlet groove 65, the air inlet channel 61 and the air hole 15, when the valve core 60 is pressed inwards by the pressing handle 4, the spring is compressed, the inner sealing ring 64 opens the negative pressure channel 13, the negative pressure channel 13 is communicated with the pressure regulating cavity channel 12 through the air flow channel 66, meanwhile, the air inlet groove 65 is not communicated with the pressure regulating cavity channel 12 by the inner sealing ring 64 in the moving process, when the pressing handle 4 is released, because the air inlet, high-pressure gas outside the taking part 1 rapidly enters the pressure regulating cavity 12, so that air blasting gas is generated at the upper port of the pressure regulating cavity 12 to vibrate violently and transmit the waterproof breathable film 55 to vibrate, and the self-cleaning function is achieved while external gas can rapidly enter the lower part of the waterproof breathable film.
In the embodiment, the left side of the air flow channel 66 of the valve core 60 is sleeved with an outer sealing ring 67 which prevents external air from entering between the outer peripheral wall of the valve core 60 and the inner peripheral wall of the valve sleeve 62, and the outer sealing ring is in sliding fit with the inner wall of the valve sleeve to play a role in sealing, so that the external air is prevented from entering a pressure regulating cavity channel and an intake pipe to cause pressure change.
In the embodiment, the outer end of the valve sleeve 62 is detachably connected with the gland 7, the center of the gland 7 is provided with a central hole, the outer end of the valve core 60 can shuttle in the central hole, the central hole is provided with a guide groove 71, the valve core 60 is provided with a guide rail 68 matched with the guide groove 71, so that the valve core 60 is guided to linearly extend and retract along the valve sleeve 62, the inner sealing ring 64 is ensured not to rotate, the matching precision of the inner sealing ring 64 and the pressure regulating cavity channel 12 is improved, the inner end of the gland 7 is provided with a cushion pad 69, and the airflow channel 66.
In the embodiment, the lower end of the intake tube 5 is connected with the adsorption part 8, the adsorption part 8 comprises a connector 81 and an adsorption cover 82, the lower end of the intake tube 5 is inserted into the connector 81, the adsorption part 8 is set into various specifications according to the size of the adsorption cover 82, and the adsorption part can be selected according to the size of the tumor.
In the embodiment, a ring of flange 83 is formed inward on the inner peripheral wall of the connector 81 of the absorbing member 8, the lower end surface of the intake tube 5 is in interference fit with the upper end surface of the flange 83, and a protruding edge 84 which is in fit with the inner tube wall of the intake tube 5 is vertically extended upward on the inner peripheral ring of the flange 83, so that the sealing performance is improved, and the external gas is prevented from entering the intake tube.
In the embodiment, the negative pressure generator 3 is provided with a pressure regulator 31, the pressure regulator 31 is set to be a corresponding regulating gear according to the specification of the adsorption piece 8, the pressure regulator 31 is composed of a pressure sensor and a transmitting circuit, and the CPU modular signal processor of the negative pressure generator 3 is used for detecting, displaying, alarming and controlling signal output of medium pressure signals, so that the pressure stability is ensured, a large adsorption piece can have larger negative pressure, a small adsorption piece can have smaller negative pressure, and tumor rupture is avoided when the tumor is adsorbed.
In the embodiment, the rear end of the body 11 is connected with a quick-connection sub-connector 16, and the gas pipe 2 is connected with a quick-connection female connector 21, so that the quick connection can be realized.
The working principle and the using method of the invention are as follows:
the invention adopts the negative pressure adsorption principle, utilizes the control valve to realize quick on-off, selects a proper adsorption piece according to the size of a tumor when in use, connects the adsorption piece to the lower end of the intake tube, adjusts the pressure regulator of the negative pressure generator according to the adsorption piece, selects proper negative pressure intensity, pushes the adsorption piece against the surface of the tumor, presses the pressing handle, the valve core drives the inner sealing ring to move inwards, the control valve enables the pressure regulating cavity channel to be communicated with the negative pressure channel, the pressing handle presses the valve core inwards, the spring is compressed, the inner sealing ring opens the negative pressure channel, the negative pressure channel is communicated with the pressure regulating cavity channel through the airflow channel, simultaneously the inner sealing ring enables the air inlet groove not to be communicated with the pressure regulating cavity channel in the moving process, the pressure regulating cavity channel and the gas in the intake tube enter the negative pressure channel, the pressure regulating cavity channel and the intake tube are in a negative pressure state, the surface of the tumor can be, when needing the adjustment adsorption position, loosen and press the handle, under the effect of spring restoring force, the case resets, the inner seal circle cuts off pressure regulating chamber way and negative pressure passageway intercommunication, because set up the air inlet duct on the inner seal circle, the outside is high-pressure gas for the pressure regulating chamber way, it gets into the pressure regulating chamber way fast to absorb an outside high-pressure gas, just can produce the violent vibration of air blasting gas and make it produce the vibration on the waterproof ventilated membrane of transmission in the last port department of pressure regulating chamber way, play the automatically cleaning effect and outside gas can get into waterproof ventilated membrane below fast simultaneously, make the absorption piece of absorbing the pipe lower extreme no longer adsorb the tumour surface, adjust the adsorption position as required, repeat above-mentioned step and just can adsorb the tumour once more.
While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.
Claims (9)
1. Tumour extractor that oncology used, including gas-supply pipe (2) and negative pressure generator (3), characterized by: still including taking a photograph of (1), it is connected with negative pressure generator (3) through gas-supply pipe (2) to take a photograph of (1), it includes body (11), presses handle (4) and absorbs pipe (5) to take a photograph of (1), it has pressure regulating chamber way (12) and negative pressure passageway (13) to open respectively in body (11), be provided with valve opening (14) on body (11), install control valve (6) in valve opening (14), it is managed (5) fixed connection and says the pressure regulating chamber port department of (12) at the pressure regulating chamber, it with pressure regulating chamber way (12) intercommunication to take pipe (5), it is in to press handle (4) hinge on body (11), it can support the pressure with control valve (6) and cooperate to press after pulling to press handle (4), the bottom of valve opening (14) is provided with gas pocket (15), be provided with inlet channel (61) on case (60) of control valve (6), the air inlet channel (61) is communicated with an air hole (15), the pressure regulating cavity channel (12) is communicated with the outside of the body (11) through the air inlet channel (61) and the air hole (15), when the control valve (6) enables the pressure regulating cavity channel (12) to be communicated with the negative pressure channel (13), the control valve (6) cuts off the communication between the pressure regulating cavity channel (12) and the air inlet channel (61), the gas in the pressure regulating cavity channel (12) enters the negative pressure channel (13), when the control valve (6) cuts off the communication between the pressure regulating cavity channel (12) and the negative pressure channel (13), the control valve (6) opens the air inlet channel (61) to be communicated with the pressure regulating cavity channel (12), and the external gas enters the pressure regulating cavity channel (12) from the air hole (15) and the air inlet channel (61); ingest and be provided with antifouling box (51) on pipe (5), antifouling box (51) comprise two removable connection ground hemispheroids, are equipped with round on the inner wall of hemisphere joint department and block platform (52), and two hemispheroids are connected the back and just constitute annular (53) by blocking platform (52) in the joint department, annular (53) department installs waterproof ventilative spare, and waterproof ventilative spare comprises support ring (54) and waterproof ventilated membrane (55), and the week of waterproof ventilated membrane (55) is along fixing on support ring (54), fix in annular (53) all around of support ring (54).
2. The tumor extractor of claim 1, wherein: control valve (6) still includes valve barrel (62) and spring (63), valve barrel (62) are fixed in valve opening (14) with the mode of pouring, case (60) slip fit be in the installation cavity of valve barrel (62), the installation cavity is for lining up the through-hole at the inside and outside both ends of valve barrel (62), the outer end of case (60) extends the outer end of valve barrel (62) and can with the roof pressure contact cooperation of pressing handle (4), be equipped with on valve barrel (62) with the corresponding through-hole of pressure regulating chamber way (12), negative pressure channel (13), be provided with inner seal circle (64) on case (60), inner seal circle (64) with the inner wall sliding fit of valve barrel (62), inner seal circle (64) are used for controlling air current break-make between pressure regulating chamber way (12) and negative pressure channel (13) and are used for controlling air current break-make between admission passage (61) and pressure regulating chamber way (12), one end of the spring (63) is connected with the bottom of the valve hole (14) in a matching mode, and the other end of the spring (63) is connected with the inner end face of the valve core (60) in a matching mode.
3. The tumor extractor of claim 2, wherein: an air inlet groove (65) corresponding to the air inlet channel (61) is formed in the inner sealing ring (64), and an air flow channel (66) used for communicating the pressure regulating cavity channel (12) with the negative pressure channel (13) is formed in the valve core (60) on the left of the inner sealing ring (64).
4. The tumor extractor of claim 3, wherein: an outer sealing ring (67) which prevents external air from entering between the outer peripheral wall of the valve core (60) and the inner peripheral wall of the valve sleeve (62) is sleeved on the left side of the air flow channel (66) of the valve core (60).
5. The tumor extractor of claim 4, wherein: the outer end of the valve sleeve (62) is detachably connected with a gland (7), a central hole is formed in the center of the gland (7), the outer end of the valve core (60) can shuttle in the central hole, a guide groove (71) is formed in the central hole, a guide rail (68) matched with the guide groove (71) is arranged on the valve core (60), so that the valve core (60) is guided to linearly stretch and retract along the valve sleeve (62), a cushion pad (69) is arranged at the inner end of the gland (7), and an air flow channel (66) is an annular groove formed in the valve core (60).
6. The tumor extractor of claim 5, wherein: the lower extreme of ingesting pipe (5) is connected with adsorbs piece (8), adsorb piece (8) including connector (81) and adsorb cover (82), the lower extreme of ingesting pipe (5) is pegged graft in connector (81), adsorb piece (8) and set multiple specification according to adsorbing cover (82) size.
7. The tumor extractor of claim 6, wherein: a circle of flange body (83) is formed inwards on the inner peripheral wall of a connecting head (81) of the adsorption piece (8), the lower end face of the intake pipe (5) is in interference fit with the upper end face of the flange body (83), and a convex edge (84) matched with the inner pipe wall of the intake pipe (5) vertically extends upwards on the inner peripheral wall of the flange body (83).
8. The tumor extractor of claim 7, wherein: the negative pressure generator (3) is provided with a pressure regulator (31), and the pressure regulator (31) is arranged into a corresponding regulating gear according to the specification of the adsorption piece (8).
9. The tumor extractor of claim 8, wherein: the rear end of the body (11) is connected with a quick-connection sub-joint (16), and the gas pipe (2) is connected with a quick-connection female joint (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010191660.8A CN111297454B (en) | 2020-03-18 | 2020-03-18 | Tumor picker for oncology department |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010191660.8A CN111297454B (en) | 2020-03-18 | 2020-03-18 | Tumor picker for oncology department |
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| CN111297454A CN111297454A (en) | 2020-06-19 |
| CN111297454B true CN111297454B (en) | 2021-03-16 |
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| CN202010191660.8A Expired - Fee Related CN111297454B (en) | 2020-03-18 | 2020-03-18 | Tumor picker for oncology department |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113274648B (en) * | 2021-05-14 | 2023-04-25 | 云南普慧医疗科技有限公司 | Adsorption device for human body surface for treatment or physiotherapy |
| CN113509220B (en) * | 2021-07-01 | 2022-05-27 | 吉林大学 | Negative pressure type tumor extraction device for neurosurgery |
| CN114209405B (en) * | 2022-01-23 | 2024-02-06 | 陕西省肿瘤医院 | Tumor resectoscope for oncology |
| CN114521975B (en) * | 2022-03-22 | 2023-05-30 | 袁中芹 | Oncology is with tumour absorption clamp |
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| CN110101462A (en) * | 2019-06-18 | 2019-08-09 | 卢乐 | It is a kind of for adsorbing the push type absorber of tissue |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070016136A1 (en) * | 2005-05-18 | 2007-01-18 | Opie John C | Suction hand-piece device with variable control off/on valve |
| CN2852961Y (en) * | 2005-12-09 | 2007-01-03 | 朱燕 | Negative pressure sucker type brain tamour tractor |
| US10821212B2 (en) * | 2015-07-13 | 2020-11-03 | Conmed Corporation | Surgical suction device that uses positive pressure gas |
| CN206934385U (en) * | 2017-02-13 | 2018-01-30 | 十堰市太和医院 | A kind of tumor drainage device |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4560373A (en) * | 1983-06-06 | 1985-12-24 | Sugino Machine Limited | Surgical nozzle apparatus |
| CN203252739U (en) * | 2013-05-23 | 2013-10-30 | 李金芳 | Assist device for cutting tumor |
| CN109475707A (en) * | 2016-05-03 | 2019-03-15 | 精呼吸股份有限公司 | Drop conveying device and its application method for trandfer fluid to pulmonary system |
| CN206854253U (en) * | 2017-05-18 | 2018-01-09 | 宁波新兴气动工具有限公司 | A kind of dust blower tool |
| CN110101462A (en) * | 2019-06-18 | 2019-08-09 | 卢乐 | It is a kind of for adsorbing the push type absorber of tissue |
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| CN111297454A (en) | 2020-06-19 |
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