CN115068731B - Contrast agent delivery puncturing device for breast catheter imaging and method of using same - Google Patents
Contrast agent delivery puncturing device for breast catheter imaging and method of using same Download PDFInfo
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- CN115068731B CN115068731B CN202210941484.4A CN202210941484A CN115068731B CN 115068731 B CN115068731 B CN 115068731B CN 202210941484 A CN202210941484 A CN 202210941484A CN 115068731 B CN115068731 B CN 115068731B
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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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/007—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests for contrast media
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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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
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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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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Abstract
The invention discloses contrast agent conveying puncture equipment for mammary gland catheter radiography and a use method thereof, wherein the contrast agent conveying puncture equipment comprises a shaping pipe and an injection cylinder, the shaping pipe is arranged at the outer side of the end part of the injection cylinder, a constraint cover is arranged at the outer part of the shaping pipe, an auxiliary pipe is sleeved at the outer part of the shaping pipe between the constraint cover and the injection cylinder, and a plurality of groups of medical adhesive tapes are uniformly distributed at the outer side edge of the constraint cover in the circumferential direction; the injection tube is characterized in that the liquid outlet end of the injection tube is communicated with a liquid injection tube, an exhaust pipe is arranged on the top side of the liquid injection tube, and the liquid injection tube and the exhaust pipe are parallel to penetrate through the shaping tube. The beneficial effects are that: according to the invention, the exhaust pipe is arranged in parallel on the outer side of the liquid injection pipe inserted into the milk conduit, so that the air brought into the milk conduit in the puncturing process and the mammary gland overflow of the air are discharged outwards by the exhaust pipe when the liquid injection pipe fills the developing agent into the milk conduit, thereby ensuring that the developing agent is smoothly and fully injected into the milk conduit, and ensuring the developing effect.
Description
Technical Field
The invention relates to the field of breast catheter radiography, in particular to contrast agent conveying puncture equipment for breast catheter radiography and a using method thereof.
Background
Mammography is an examination method in which a contrast medium is injected into a breast catheter and then an X-ray film is taken to show lesions in the breast catheter. The method is mainly used for finding out whether a breast is provided with a tumor or not, and identifying the property of the tumor, and is a clinically common auxiliary examination means, and the breast catheter radiography is particularly suitable for patients with breast cancer with single-hole nipple discharge.
The applicant found that at least the following technical problems exist in the prior art: the existing mammary gland duct radiography puncture needle uses a self-made IV-sized semi-straight needle cannula with a blunt end at the tail end, and is connected with an injection cylinder to be inserted into a mammary gland duct to inject developer.
Disclosure of Invention
The invention aims to solve the problems and provide contrast agent conveying puncture equipment for breast duct radiography and a using method thereof, wherein an exhaust pipe is arranged in parallel at the outer side of a liquid injection pipe inserted into a breast duct, and the liquid injection pipe is used for filling the breast duct with developer, and simultaneously, air brought into the breast duct in the puncture process and mammary gland overflows of the air and the mammary gland are discharged outwards through the exhaust pipe, so that the smooth and full injection of the developer into the breast duct is ensured, and the developing effect is ensured; the multiple groups of support arms are used for pushing the transmission frame and the supporting rods to tightly support the pressurizing sheets in the developer filling process, the outer circumference of the nipple is pressurized through the multiple groups of arc pressurizing sheets distributed around the shaping pipe, the problem that part of the nipple retracts to a patient to produce a liquid injection pipe to be separated from the milk conduit in the developer filling process is avoided, and the multiple groups of pressurizing sheets are used for continuously pressurizing the nipple after the developer is filled so as to avoid the developer from flowing out of the nipple, and the developer is ensured to fully flow into the milk conduit; and a limit nut is arranged on the outer side of the injection cylinder serving as developer storage equipment, and the position of the limit nut in the length direction of the outer side of the push rod is adjusted, so that the moving distance of pushing the push rod to drive the piston disc to push the developer is limited in advance, and the accuracy of controlling the dosage of the developer in the process of injecting the developer into the emulsion guide pipe is ensured, and is explained in detail below.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides contrast agent conveying puncture equipment for breast catheter radiography, which comprises a shaping pipe and an injection cylinder, wherein the shaping pipe is arranged at the outer side of the end part of the injection cylinder, a constraint cover is arranged outside the shaping pipe, an auxiliary pipe is sleeved outside the shaping pipe between the constraint cover and the injection cylinder, and a plurality of groups of medical adhesive tapes are uniformly distributed along the circumferential direction of the outer side edge of the constraint cover;
the injection tube liquid outlet end is communicated with a liquid injection tube, the top side of the liquid injection tube is provided with an exhaust tube, the liquid injection tube and the exhaust tube are parallelly arranged inside the shaping tube in a penetrating mode, one end of the shaping tube extends upwards and is communicated with a disassembly tube, the other end of the disassembly tube is communicated with the injection tube, the injection tube is far away from one end top side of the constraint cover, a piston disc is slidably matched inside the injection tube, the injection tube is far away from one end of the liquid injection tube, a sealing cover is fixed on one end of the liquid injection tube, the piston disc is far away from a push rod transversely penetrating out of the sealing cover is fixed on one side of the liquid injection tube, and the push rod is slidably sealed with the sealing cover.
Preferably, one end of the push rod penetrating out of the sealing cover is fixed with a pressure plate, and a limit nut is arranged on the outer side of the push rod between the pressure plate and the injection cylinder and is in threaded fit with the push rod.
Preferably, the restraining cover is of a horn-shaped structure with an opening facing away from the injection cylinder, a guide ring coaxially sleeved on the outer side of the shaping pipe is fixed in the middle of the restraining cover, and the guide ring is in clearance fit with the shaping pipe.
Preferably, a plurality of groups of extending grooves are formed in the constraint cover on the outer circumferential side of the guide ring in a surrounding mode, a plurality of groups of L-shaped limiting frames are correspondingly fixed inside the constraint cover on the inner side of the extending grooves, and supporting rods extending along the radial direction of the shaping pipe penetrate through the middle of the limiting frames.
Preferably, the outer end of the stay bar penetrates out of the constraint cover along the extension groove, and one end of the stay bar extending into the constraint cover is fixed with a pressurizing sheet which is of an arc-shaped structure extending along the outer circumference of the shaping pipe.
Preferably, the stay bar is in clearance fit with the limiting frame, one end of the stay bar penetrating out of the extending groove is fixed with a rectangular square frame-shaped transmission frame, and the length of the transmission frame is larger than the width of the opening of the extending groove.
Preferably, the outside of the auxiliary pipe is far away from one end of the constraint cover and sleeved with a fixing ring, an operation assembly is arranged on the outer side of the middle of the auxiliary pipe, the fixing ring is in interference fit with the auxiliary pipe, and the auxiliary pipe is in clearance fit with the shaping pipe.
Preferably, the outer circumference side of the fixing ring is provided with a plurality of groups of support arms corresponding to the extending grooves, the support arms are hinged with the fixing ring, the other ends of the support arms incline towards the direction close to the constraint cover, the outer end parts of the support arms longitudinally penetrate through transmission grooves extending along the length direction of the support arms, and the outer sides of the transmission frames penetrate through the transmission grooves and are in sliding fit with the transmission grooves.
Preferably, the operation assembly comprises a knob sleeved on the outer side of the auxiliary pipe and in threaded fit with the auxiliary pipe, a synchronizing ring is rotatably matched on the outer side of the knob, a plurality of groups of C-shaped supporting frames are circumferentially arranged on the outer circumferential side of the synchronizing ring, supporting grooves extending along the length direction of the supporting frames penetrate through the middle parts of the supporting arms, and the outer sides of the supporting frames penetrate into the supporting grooves and are in sliding fit with the supporting grooves.
The method for using the contrast agent delivery puncture device for breast catheter radiography comprises the following steps:
a. injecting developer into the injection tube, communicating the injection tube with the liquid injection tube, discharging the developer outwards to discharge air in the injection tube and the liquid injection tube, attaching one side of an opening of the restriction cover to the outer side of a breast of a patient to be subjected to radiography examination, ensuring that an opening on the inner side of a guide ring of the restriction cover coincides with a nipple, penetrating a shaping tube port of the built-in liquid injection tube and an exhaust tube out of an auxiliary tube and penetrating the guide ring, penetrating the shaping tube port into the nipple of the breast along a milk conduit by 4-10 mm, and completing a puncturing process;
b. the inner cavity of the injection cylinder is divided into a left developer cavity and a right air cavity by the piston disc, the pressing disc is pushed to drive the push rod to push the piston disc to move towards the direction close to the constraint cover, so that the developer in the developer cavity in the injection cylinder is guided into the emulsion guide pipe by the piston disc along the liquid injection pipe, the piston disc moves in the injection cylinder in the process of injecting the developer in the emulsion guide pipe, the air cavity space is further increased, the air pressure in the air cavity is reduced, the air entering in the process of inserting the emulsion guide pipe and the mammary gland overflow of the piston disc are sucked outwards by the exhaust pipe, the pure state of the developer injected into the emulsion guide pipe is ensured, and the influence of the air entering in the process of expanding the emulsion guide pipe and the mammary gland overflow on the injection of the developer is avoided;
c. after the developer is injected into the breast duct, the shaping pipe is drawn out of the breast duct together with the liquid injection pipe and the exhaust pipe, at the moment, the knob is rotated to move in the direction away from the fixed ring, the knob is utilized to drive the synchronous ring and the multiple groups of support frames to synchronously slide towards the direction close to the constraint cover through the threaded cooperation of the knob and the auxiliary pipe, the multiple groups of support arms are pushed to synchronously shrink through the support frames of the sliding fit support slots, so that the top end of the support frame is utilized to apply pressure to the transmission frame, the support rods and the pressurizing sheets are pushed by the transmission frame, the arc-shaped pressurizing sheets are pressed to the outer circumference side of the nipple, and the nipple is pressurized to avoid the developer from flowing out;
d. the method comprises the steps of rotating a knob towards a direction close to a fixed ring after one breast line side position and one shaft position shooting piece of a patient side filled with developer are respectively arranged, pushing a plurality of groups of support arms outwards through a synchronizing ring which is in rotating fit with the knob and an outer side opening frame of the synchronizing ring, releasing the pressing state of the end parts of the support arms on a transmission frame, further releasing the pressing state of the pressing piece of the end parts of a support rod on a nipple, and then separating and taking down a constraint cover from the outer side of the nipple to finish a radiography process.
The beneficial effects are that: according to the invention, the exhaust pipe is arranged in parallel at the outer side of the liquid injection pipe inserted into the milk conduit, so that the air brought into the milk conduit in the puncturing process and the mammary gland overflow of the air are discharged outwards by the exhaust pipe when the liquid injection pipe fills the developing agent into the milk conduit, thereby ensuring that the developing agent is smoothly and fully injected into the milk conduit, and ensuring the developing effect;
the multiple groups of support arms are used for pushing the transmission frame and the supporting rods to tightly support the pressurizing sheets in the developer filling process, the outer circumference of the nipple is pressurized through the multiple groups of arc pressurizing sheets distributed around the shaping pipe, the problem that part of the nipple retracts to a patient to produce a liquid injection pipe to be separated from the milk conduit in the developer filling process is avoided, and the multiple groups of pressurizing sheets are used for continuously pressurizing the nipple after the developer is filled so as to avoid the developer from flowing out of the nipple, and the developer is ensured to fully flow into the milk conduit;
and a limit nut is arranged on the outer side of the injection cylinder serving as the developer storage device, and the position of the limit nut in the length direction of the outer side of the push rod is adjusted, so that the moving distance of pushing the push rod to drive the piston disc to push the developer is limited in advance, and the accuracy of controlling the dosage of the developer in the process of injecting the developer into the emulsion guide tube is ensured.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view block diagram of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of the structural disassembly of the present invention;
FIG. 4 is a schematic view of the syringe of the present invention in a disassembled configuration;
FIG. 5 is a schematic view showing the structural separation of the constraint cover and the retaining ring of the present invention;
FIG. 6 is a schematic perspective view of a restraint shell of the present invention;
FIG. 7 is a schematic view of another embodiment of the present invention;
FIG. 8 is a schematic view of another orientation of the restraint shell of the present invention;
fig. 9 is a schematic perspective view of a sizing tube according to the present invention.
The reference numerals are explained as follows:
1. a shaping pipe; 2. a syringe; 201. a liquid injection pipe; 202. an exhaust pipe; 203. disassembling the tube; 204. sealing cover; 205. a piston disc; 206. a push rod; 207. a pressure plate; 208. a limit nut; 3. a constraining cover; 301. a guide ring; 302. an extension groove; 303. a brace rod; 304. a transmission frame; 305. a limiting frame; 306. pressing the tablets; 4. an auxiliary tube; 5. a fixing ring; 501. a support arm; 501a, a propping up groove; 501b, a transmission groove; 6. an operating assembly; 601. a knob; 602. a synchronizing ring; 603. a support frame; 7. medical adhesive tape.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
Referring to fig. 1-9, the invention provides contrast agent conveying puncture equipment for breast catheter radiography, which comprises a shaping tube 1 and an injection tube 2, wherein the shaping tube 1 is arranged outside the end part of the injection tube 2, a constraint cover 3 is arranged outside the shaping tube 1, an auxiliary tube 4 is sleeved outside the shaping tube 1 between the constraint cover 3 and the injection tube 2, a plurality of groups of medical adhesive tapes 7 are uniformly distributed on the outer side edge of the constraint cover 3 in the circumferential direction, and the constraint cover 3 is attached and adhered to the outer surface of a breast on the affected side through the medical adhesive tapes 7;
the liquid outlet end of the injection tube 2 is communicated with a liquid injection tube 201, the top side of the liquid injection tube 201 is provided with an exhaust tube 202, the liquid injection tube 201 and the exhaust tube 202 are parallel and arranged in the shaping tube 1 in a penetrating way, the port of the liquid injection tube 201 is flush with the port of the shaping tube 1, the port of the exhaust tube 202 penetrates out of the shaping tube 1, the distance between the port of the exhaust tube 202 and the port of the shaping tube 1 is 3mm, the separation and extraction of air and mammary gland overflows in the milk tube through the exhaust tube 202 in the process of injecting developer into the milk tube by the liquid injection tube 201 are ensured, so that a space is reserved for filling the developer, one end of the exhaust tube 202 extending out of the shaping tube 1 extends upwards and is communicated with a disassembly tube 203, the other end of the disassembly tube 203 is communicated with the top side of one end of the injection tube 2 away from the constraint cover 3, the inside sliding fit of syringe 2 has piston disc 205, syringe 2 keeps away from notes liquid pipe 201 one end and is fixed with sealed lid 204, piston disc 205 is kept away from notes liquid pipe 201 one side and is fixed with the push rod 206 of transversely wearing out sealed lid 204, this push rod 206 and sealed lid 204 sliding seal, further, push rod 206 wears out sealed lid 204 one end and is fixed with pressure disk 207, the push rod 206 outside between pressure disk 207 and the syringe 2 is provided with spacing nut 208, this spacing nut 208 and push rod 206 screw-thread fit, before pushing pressure disk 207 and then pushing piston disc 205 through push rod 206 and deriving the developer, adjust spacing nut 208 and sealed lid 204, in order to adjust the sideslip distance that vaulting pole 303 promoted piston disc 205, realize the quantitative process of developer filling process.
As an alternative embodiment, the constraint cover 3 is of a horn-shaped structure with an opening facing away from the injection tube 2, a guide ring 301 coaxially sleeved outside the shaping tube 1 is fixed in the middle of the constraint cover 3, the guide ring 301 is in clearance fit with the shaping tube 1, a plurality of groups of extending grooves 302 are circumferentially arranged on the constraint cover 3 on the outer circumference side of the guide ring 301, a plurality of groups of L-shaped limiting frames 305 are correspondingly fixed inside the constraint cover 3 inside the extending grooves 302, a supporting rod 303 extending along the radial direction of the shaping tube 1 penetrates through the middle of the limiting frames 305, the outer end of the supporting rod 303 penetrates out of the constraint cover 3 along the extending grooves 302, one end of the supporting rod 303 extending into the inner part of the constraint cover 3 is fixed with a pressurizing sheet 306, the pressurizing sheet 306 is of an arc-shaped structure extending along the outer circumference of the shaping tube 1, the pressurizing sheet 306 is used for propping against the outer circumference side of a nipple, the nipple retraction in the process of the developer is prevented from influencing the depth of the shaping tube 1 to influence the filling operation, and simultaneously, after the developer is completely filled and the shaping tube 1 is pulled out, the nipple is compacted by a plurality of groups of pressurizing sheets 306, so that the developer is prevented from flowing out;
the support 303 and the spacing 305 clearance fit, the support 303 wears out extension tank 302 one end and is fixed with rectangle square frame form transmission frame 304, transmission frame 304 length is greater than extension tank 302 open width, auxiliary pipe 4 outside is kept away from restraint cover 3 one end cover and is equipped with solid fixed ring 5, and auxiliary pipe 4 middle part outside is provided with operating element 6, gu fixed ring 5 and auxiliary pipe 4 interference fit, auxiliary pipe 4 and sizing pipe 1 clearance fit, gu fixed ring 5 outside circumference side corresponds extension tank 302 and is provided with multiunit support arm 501, support arm 501 is articulated mutually with gu fixed ring 5, this support arm 501 other end is to being close to restraint cover 3 direction slope, and support arm 501 outer end vertically runs through and is had the transmission tank 501b that extends along its length direction, transmission frame 304 outside runs through transmission tank 501b and with this transmission tank 501b sliding fit, the usable transmission frame 304 drives the preforming 303 and bottom and add 306 and reciprocate, thereby realize adding 306 to the pressurization and unclamping action to auxiliary pipe 4 screw thread fit's knob 601 outside and with auxiliary pipe 4 interference fit, this knob 601 outside is provided with multiunit support arm 501 outside rotation fit, support arm 501 outside is opened the side 602 and is opened up the side to have the support arm 501 to extend outside direction along the direction of the transmission tank 602 and is opened the transmission frame 501a with multiunit of the direction of extension frame 501, the outside extends outside direction of the transmission frame 501 extends along the direction of the transmission frame 501, the transmission frame is extended along the direction of the transmission frame 501, the transmission frame 304 outside runs through the transmission frame 501, make use of the transmission frame 304 drives the preforming 306 and bottom is up down when the bottom is up.
A method of using a contrast media delivery puncturing device for mammography, comprising the steps of:
a. injecting developer into the injection tube 2, communicating the injection tube 2 with the liquid injection tube 201, discharging the developer outwards to discharge air in the injection tube 2 and the liquid injection tube 201, attaching one side of an opening of the constraint cover 3 to the outer side of a breast of a patient needing contrast examination, ensuring that an opening on the inner side of a guide ring 301 of the constraint cover 3 coincides with a nipple, penetrating a shaping tube 1 port of the internal liquid injection tube 201 and an exhaust tube 202 out of an auxiliary tube 4 and penetrating the guide ring 301, penetrating the shaping tube 1 port into the nipple of the breast along a milk catheter by 4-10 mm, and completing a puncture process;
b. the inner cavity of the injection cylinder 2 is divided into a left developer cavity and a right air cavity by the piston disc 205, the pressing disc 207 is pushed to drive the push rod 206 to push the piston disc 205 to move towards the direction close to the constraint cover 3, so that the developer in the developer cavity in the injection cylinder 2 is guided into the milk conduit along the liquid injection pipe 201 by the piston disc 205, the piston disc 205 moves in the injection cylinder 2 in the process of injecting the developer in the milk conduit, the air cavity space is increased, the air pressure in the air cavity is reduced, and therefore, the air entering in the process of inserting the milk conduit and the mammary gland overflow of the air are sucked outwards by the exhaust pipe 202, the pure state of the developer injected into the milk conduit is ensured, and the influence of the air entering in the process of expanding the milk conduit and the mammary gland overflow on the developer injection is avoided;
c. after the developer is injected into the breast duct, the shaping pipe 1 is pulled out of the breast duct with the liquid injection pipe 201 and the exhaust pipe 202, at the moment, the knob 601 is rotated to move in the direction away from the fixed ring 5, the knob 601 is utilized to be matched with the screw threads of the auxiliary pipe 4, then the knob 601 drives the synchronous ring 602 and the multiple groups of support arms 603 to synchronously slide towards the direction close to the constraint cover 3, the multiple groups of support arms 501 are pushed to synchronously shrink by the support arms 603 of the sliding matched support grooves 501a, so that the top end of the support arms 603 is utilized to apply pressure to the transmission frame 304, the support rods 303 and the pressurizing pieces 306 are pushed by the transmission frame 304, the arc-shaped pressurizing pieces 306 are pressed to the outer circumference side of the nipple, and the nipple is pressurized to avoid the developer from flowing out;
d. the affected side breast row side position and the shaft position shooting piece filled with developer are respectively one, then the knob 601 is rotated towards the direction close to the fixed ring 5, a plurality of groups of support arms 501 are pushed outwards through a synchronizing ring 602 and an outer side opening frame 603 which are in rotating fit with the knob 601, the pressing state of the end parts of the support arms 501 on the transmission frame 304 is relieved, the pressing state of the pressing piece 306 on the end parts of the support rods 303 on the nipple is relieved, and then the constraint cover 3 is separated and taken down from the outer side of the nipple, so that the radiography process is completed.
By arranging the exhaust pipe 202 in parallel at the outer side of the liquid injection pipe 201 inserted into the milk conduit, the air brought into the milk conduit in the puncturing process and the mammary gland overflow of the air are discharged outwards by the exhaust pipe 202 when the liquid injection pipe 201 fills the milk conduit with developer, so that the developer is ensured to be smoothly and fully injected into the milk conduit, and the developing effect is ensured;
in the process of filling the developer, a plurality of groups of support arms 501 are utilized to push the transmission frame 304 and the supporting rods 303 to tightly press the pressing sheets 306, the outer circumference of the nipple is pressed by a plurality of groups of arc-shaped pressing sheets 306 distributed around the shaping pipe 1, the problem that part of the nipple retracts to a patient to produce the liquid injection pipe 201 to be separated from the milk conduit in the process of filling the developer is avoided, and after the developer is filled, the nipple is continuously pressed by the plurality of groups of pressing sheets 306 to avoid the developer from flowing out of the nipple, so that the developer is ensured to fully flow into the milk conduit;
and a limit nut 208 is arranged on the outer side of the injection cylinder 2 serving as a developer storage device, and the position of the limit nut 208 in the length direction of the outer side of the push rod 206 is adjusted, so that the moving distance of pushing the push rod 206 to drive the piston disc 205 to push the developer is limited in advance, and the accuracy of controlling the dosage of the developer in the process of injecting the developer into the emulsion guide tube is ensured.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. Contrast agent delivery puncture device for breast catheter radiography, characterized in that: the medical injection device comprises a shaping pipe (1) and an injection cylinder (2), wherein the shaping pipe (1) is arranged on the outer side of the end part of the injection cylinder (2), a constraint cover (3) is arranged on the outer side of the shaping pipe (1), an auxiliary pipe (4) is sleeved on the outer side of the shaping pipe (1) between the constraint cover (3) and the injection cylinder (2), and a plurality of groups of medical adhesive tapes (7) are uniformly distributed on the outer side edge of the constraint cover (3) in the circumferential direction;
the utility model discloses a syringe (2) liquid outlet end intercommunication has notes liquid pipe (201), and this notes liquid pipe (201) top side is provided with blast pipe (202), annotate liquid pipe (201) with blast pipe (202) parallel wears to locate inside sizing pipe (1), blast pipe (202) stretch out sizing pipe (1) one end upwards extends and the intercommunication has dismouting pipe (203), dismouting pipe (203) other end intercommunication in syringe (2) keep away from constraint cover (3) one end top side, inside sliding fit of syringe (2) has piston disc (205), syringe (2) keep away from annotate liquid pipe (201) one end and be fixed with sealed lid (204), piston disc (205) keep away from annotate liquid pipe (201) one side and be fixed with push rod (206) of transversely wearing out sealed lid (204), this push rod (206) with sealed lid (204) sliding seal, and annotate liquid pipe (201) port and sizing pipe (1) port parallel and level, blast pipe (202) port wear out sizing pipe (1).
2. The contrast media delivery puncturing device of breast catheter imaging as defined in claim 1, wherein: the push rod (206) penetrates out of one end of the sealing cover (204) and is fixedly provided with a pressure plate (207), a limit nut (208) is arranged on the outer side of the push rod (206) between the pressure plate (207) and the injection cylinder (2), and the limit nut (208) is in threaded fit with the push rod (206).
3. The contrast media delivery puncturing device of breast catheter imaging as defined in claim 1, wherein: the restraining cover (3) is of a horn-shaped structure with an opening facing away from the injection tube (2), a guide ring (301) coaxially sleeved on the outer side of the shaping tube (1) is fixed in the middle of the restraining cover (3), and the guide ring (301) is in clearance fit with the shaping tube (1).
4. A contrast media delivery puncturing device for breast catheter imaging as claimed in claim 3, wherein: the guide ring is characterized in that a plurality of groups of extending grooves (302) are formed in the constraint cover (3) on the outer circumferential side of the guide ring (301) in a surrounding mode, a plurality of groups of L-shaped limiting frames (305) are correspondingly fixed inside the constraint cover (3) on the inner side of the extending grooves (302), and supporting rods (303) extending radially along the shaping pipe (1) penetrate through the middle of the limiting frames (305).
5. The contrast media delivery puncturing device of breast catheter imaging as defined in claim 4, wherein: the outer end of the stay bar (303) penetrates out of the constraint cover (3) along the extension groove (302), and one end of the stay bar (303) extending into the constraint cover (3) is fixedly provided with a pressurizing sheet (306), and the pressurizing sheet (306) is of an arc-shaped structure extending along the outer circumference of the shaping pipe (1).
6. The contrast media delivery puncturing device of breast catheter imaging as defined in claim 5, wherein: the support rod (303) is in clearance fit with the limiting frame (305), one end of the support rod (303) penetrating out of the extending groove (302) is fixedly provided with a rectangular square frame-shaped transmission frame (304), and the length of the transmission frame (304) is larger than the opening width of the extending groove (302).
7. The contrast media delivery puncturing device of breast catheter imaging as defined in claim 6, wherein: the auxiliary pipe (4) is outside to be kept away from restraint cover (3) one end cover is equipped with solid fixed ring (5), just auxiliary pipe (4) middle part outside is provided with operating unit (6), gu fixed ring (5) with auxiliary pipe (4) interference fit, auxiliary pipe (4) with design pipe (1) clearance fit.
8. The contrast media delivery puncturing device of breast catheter imaging as set forth in claim 7 wherein: the fixed ring (5) outer circumference side corresponds extension groove (302) and is provided with multiunit support arm (501), support arm (501) with fixed ring (5) are articulated mutually, and this support arm (501) other end is to being close to restraint cover (3) direction slope, just support arm (501) outer tip is vertically run through have along its length direction extension's transmission groove (501 b), transmission frame (304) outside run through transmission groove (501 b) and with this transmission groove (501 b) sliding fit.
9. The contrast media delivery puncturing device of breast catheter imaging as defined in claim 8, wherein: the operation assembly (6) comprises a knob (601) sleeved on the outer side of the auxiliary pipe (4) and in threaded fit with the auxiliary pipe (4), a synchronizing ring (602) is rotatably matched on the outer side of the knob (601), a plurality of groups of C-shaped supporting frames (603) are arranged on the outer circumferential side of the synchronizing ring (602) in a surrounding mode, supporting grooves (501 a) extending along the length direction of the supporting frames are formed in the middle of the supporting arms (501) in a penetrating mode, and the outer sides of the supporting frames (603) penetrate into the supporting grooves (501 a) and are in sliding fit with the supporting grooves (501 a).
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| CN202210941484.4A CN115068731B (en) | 2022-08-08 | 2022-08-08 | Contrast agent delivery puncturing device for breast catheter imaging and method of using same |
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| CN202210941484.4A CN115068731B (en) | 2022-08-08 | 2022-08-08 | Contrast agent delivery puncturing device for breast catheter imaging and method of using same |
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