CN113974863B - Positioning device for breast tumor puncture biopsy implementation - Google Patents
Positioning device for breast tumor puncture biopsy implementation Download PDFInfo
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- CN113974863B CN113974863B CN202111467447.6A CN202111467447A CN113974863B CN 113974863 B CN113974863 B CN 113974863B CN 202111467447 A CN202111467447 A CN 202111467447A CN 113974863 B CN113974863 B CN 113974863B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
- A61B90/17—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins for soft tissue, e.g. breast-holding devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
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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
- A61B17/3403—Needle locating or guiding means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/101—Clamping means for connecting accessories to the operating table
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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
- A61B17/3403—Needle locating or guiding means
- A61B2017/3413—Needle locating or guiding means guided by ultrasound
Abstract
The invention provides a positioning device for implementing breast tumor aspiration biopsy, which aims to solve the problems that the existing device can not assist in fixing soft breast during positioning and tumor tissues are easy to displace during aspiration; the device comprises a round supporting plate, wherein a plurality of double-layer extrusion devices are rotationally connected to the outer side of the supporting plate, a supporting rod is arranged at the upper end of the supporting plate, a movable seat is slidably connected to the supporting rod, a structural hole is formed in the axis of the bottom of the supporting plate, an avoidance groove is formed in the side wall of the supporting rod, and sucking disc devices are arranged in the structural hole and the avoidance groove; the side of the supporting disc is provided with a puncture needle guiding device, the upper end of the supporting rod is rotatably connected with a rotary sleeve, and the rotary sleeve is fixedly connected to the bracket main body; the double-layer extrusion device comprises an outer layer plate which is rotationally connected to the side edge of the supporting disc, the outer layer plate is arc-shaped, the lower end of the outer layer plate is hinged to an inner layer plate, a tension spring is arranged between the outer layer plate and the inner layer plate, a sliding rail is arranged at the upper end of the inner layer plate, a latch is arranged in the sliding rail, an extrusion rod is rotationally connected to the outer layer plate, and the lower end of the extrusion rod can be connected with the latch in a clamping mode.
Description
Technical Field
The invention relates to the technical field of mammary gland puncture biopsy positioning equipment, in particular to a mammary gland tumor puncture biopsy implementation positioning device.
Background
Excision of breast cancer, especially radical excision, is a very heavy impact on the physiology and psychology of the patient, so preoperative definitive diagnosis is an important principle in breast tumor surgery; many methods of diagnosis of breast cancer, including physical examination, mammography, B-ultrasound, ductal endoscopy of the breast, etc., but the ultimate definitive diagnosis still depends on pathological diagnosis; biopsy (abbreviated biopsy) is the most commonly used means to obtain pre-operative pathology, and includes both needle biopsy and surgical biopsy. Compared with surgical biopsy, the puncture needle biopsy has less damage to normal tissues, no scar, only needs local anesthesia for patients, and has relatively low cost. Most importantly, needle biopsies can eliminate unnecessary surgery for a portion of patients with benign lesions of the breast. At present, the doctor has more common defects in purely manual biopsy, and in order to better implement biopsy and improve the operation efficiency and safety, a positioning device capable of assisting biopsy and puncture is needed.
The existing positioning device for assisting in mammary gland puncture cannot well position mammary gland tissues during puncture, and as female breasts mainly comprise glands and fat skin of breasts, soft mammary tissues are easy to act during puncture, the puncture position is forced to deviate, so that the puncture accuracy is reduced, and the accurate acquisition of pathology is affected; in addition, the existing device for fixing the mammary gland mostly adopts a sucker which is integrally buckled on the mammary gland, and fixes the whole mammary gland by utilizing negative pressure, but only can fix the mammary gland tissue into a form, the mammary gland cannot be extruded into a specific shape according to different positions of focuses in the mammary gland, and the tumor tissue cannot actively meet the penetration of a puncture needle, so that the success rate of the puncture is affected, and based on the device, the device which can reasonably extrude and fix the mammary gland tissue and can help the puncture gun/needle to position is designed, so that the market gap is filled.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a positioning device for implementing breast tumor aspiration biopsy, which aims to solve the problems that the prior device can not assist in fixing soft breast during positioning and tumor tissues are easy to displace during aspiration.
The technical scheme includes that the novel breast sucking disc comprises a circular supporting disc, wherein a plurality of double-layer extrusion devices which are uniformly distributed along the circumferential direction of the supporting disc are rotationally connected to the outer side of the supporting disc, a supporting rod which is coaxial with the supporting disc is arranged at the upper end of the supporting disc, a movable seat is connected to the supporting rod in a sliding manner, a structural hole which penetrates through the supporting rod is formed in the shaft center of the bottom of the supporting disc, an avoidance groove which is communicated with the structural hole is formed in the side wall of the supporting rod, and sucking disc devices for sucking breasts are arranged in the structural hole and the avoidance groove; the side of the supporting disc is provided with a puncture needle guiding device capable of swinging along the circumferential direction of the supporting disc, the upper end of the supporting rod is rotatably connected with a rotating sleeve, and the rotating sleeve is fixedly connected to the bracket main body; the double-layer extrusion device comprises an outer layer plate which is rotationally connected to the side edge of a supporting disc, the outer layer plate is arc-shaped, the lower end of the outer layer plate is hinged to an inner layer plate, a tension spring is arranged between the outer layer plate and the inner layer plate, a sliding rail which is matched with the outline of the inner layer plate is arranged at the upper end of the inner layer plate, a plurality of equally-spaced clamping teeth which are arranged in the sliding rail, an extrusion rod is rotationally connected to the outer layer plate, the lower end of the extrusion rod can be connected with the clamping teeth in a clamping mode, a push-pull plate is arranged at the upper end of the outer layer plate, a connecting rod is hinged to the upper end of the push-pull plate, and the upper end of the connecting rod is hinged to a movable seat.
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
1. the double-layer extrusion device is designed, the inner layer plate and the outer layer plate can respectively act, after the breast is positioned, the inner layer plate is pressed at different degrees through the rotation of the extrusion rod, so that the secondary extrusion effect on the breast is realized by utilizing the inner layer plate, the three inner layer plates respectively extrude the tumor in the breast tissue at different forces to extrude the tumor into the middle of the visual field and position, the tumor is prevented from sliding during puncture, the tumor can stably cater for the puncture of the puncture needle, and the puncture needle can conveniently and accurately puncture the focus for sampling.
2. Through setting up the connecting rod, keep the linkage with bilayer extrusion device and removal seat, utilize the oscilaltion of removal seat to realize opening and shutting of bilayer extrusion device lower extreme, made things convenient for the control to bilayer extrusion device, through the cooperation setting of removal seat and rotating head, the rotating head can with remove seat relative rotation, again with bracing piece threaded connection to be convenient for with removing the seat location suitable height on the bracing piece, and then realize the accurate control to bilayer extrusion device.
3. The lower end of the supporting disc is provided with the sucker device capable of automatically stretching, the lower disc device can be moved downwards by pressing the branch pipeline downwards, so that the sucker is conveniently adsorbed on the breast, the sucker is matched with the structure Kong Nala force spring, so that the sucker adsorbed on the breast is moved upwards, the collapsed breast is easily pulled up, and convenience is provided for the extrusion operation of the double-layer extrusion device.
Drawings
Fig. 1 is a schematic diagram of a primary view of the present invention.
Fig. 2 is a schematic view of the structure of the present invention with the stent body removed.
Fig. 3 is a schematic view of the present invention in section with the stent body removed.
FIG. 4 is a schematic view of the structure of the needle guide of the present invention.
Fig. 5 is a schematic structural view of a double-layer extrusion device of the present invention.
Figure 6 is a schematic view of the support bar of the present invention with its various components removed.
Figure 7 is a schematic view of the installation of the suction cup device of the present invention.
Fig. 8 is an enlarged view of the invention at a in fig. 3.
Fig. 9 is an enlarged view at B in the present invention 3.
Reference numerals in the schematic drawings illustrate:
1. a support plate; 2. a double-layer extrusion device; 2-1, outer layer plate; 2-2, inner layer plates; 2-3, a tension spring; 2-4, sliding rails; 2-5, latch teeth; 2-6, extruding rod; 2-7, a push-pull plate; 3. a support rod; 4. a movable seat; 5. a structural hole; 6. an avoidance groove; 7. a suction cup device; 7-1, a main pipeline; 7-2, branch pipes; 7-3, sucking discs; 7-4, an air pressure ball; 7-5, a one-way valve; 7-6, fixing the head; 7-7, a tension spring; 8. a puncture needle guide; 8-1, a fixing part; 8-2, stop lever; 8-3, a guide plate; 8-4, fixing the sleeve; 8-5, plugs; 8-6, an adjusting part; 8-7, a rotating handle; 9. a rotating sleeve; 10. a holder main body; 10-1, a cross bar; 10-2, a vertical rod; 10-3, a clamping seat; 10-4, hoops; 11. a connecting rod; 12. a guide groove; 13. positioning holes; 14. a chute; 15. a protrusion; 16. a retainer ring; 17. a rotating head; 18. a connector; 19. a lock nut; 20. quick-dismantling bolts; 21. a contact strip; 22. a rubber sleeve.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
The device is provided by figures 1 to 9 and comprises a circular supporting disc 1, wherein three double-layer extrusion devices 2 uniformly distributed along the circumferential direction of the supporting disc 1 are rotationally connected to the outer side of the supporting disc 1, a supporting rod 3 coaxial with the supporting disc 1 is arranged at the upper end of the supporting disc 1, a movable seat 4 is slidably connected to the supporting rod 3, a structure hole 5 penetrating the supporting rod 3 is formed in the axis of the bottom of the supporting disc 1, an avoidance groove 6 communicated with the structure hole 5 is formed in the side wall of the supporting rod 3, and sucking disc devices 7 for sucking breasts are arranged in the structure hole 5 and the avoidance groove 6; the side of the supporting disc 1 is provided with a puncture needle guiding device 8 capable of swinging along the circumferential direction, the upper end of the supporting rod 3 is rotatably connected with a rotating sleeve 9, and the rotating sleeve 9 is fixedly connected to a bracket main body 10;
the double-layer extrusion device 2 comprises an outer layer plate 2-1 which is rotationally connected to the side edge of a supporting disc 1, the outer layer plate 2-1 is arc-shaped, the lower end of the extrusion rod 2-6 is hinged with an inner layer plate 2-2, tension springs 2-3 are arranged between the outer layer plate 2-1 and the inner layer plate 2-2, the two tension springs 2-3 pull the inner layer plate 2-2 to the outer layer plate 2-1, the upper end of the inner layer plate 2-2 is provided with a sliding rail 2-4 which is matched with the outline of the inner layer plate 2-2, a plurality of clamping teeth 2-5 which are equidistantly arranged are arranged in the sliding rail 2-4, the upper end of the outer layer plate 2-1 is rotationally connected with an extrusion rod 2-6, the lower end of the extrusion rod 2-6 can be clamped with the clamping teeth 2-5, the lower end of the extrusion rod 2-6 is clamped at the positions of different clamping teeth 2-5, the downward extrusion distances of the inner layer plate 2-2 are different, the upper end of the outer layer plate 2-1 is provided with a plate 2-7, the upper end of the sliding plate 2-7 is hinged with a sliding rod 11, the upper end of the sliding rod 11 is hinged with the sliding rod 4, the sliding rod 11 is positioned on the sliding rod 4, the sliding rod is positioned on the sliding rod 2-2, and the sliding rod is convenient to move along the sliding rod 2-3, and the sliding rod is prevented from being pushed by the sliding rod 2, and the sliding rod 2, the sliding rod is convenient to be pushed and the breast support 2, and the breast support device is conveniently and the breast support is pressed on the breast support and the breast support.
Further, the sucker device 7 comprises a main pipeline 7-1 positioned in the structural hole 5 and a branch pipeline 7-2 in threaded connection with the main pipeline 7-1 through an adapter, the branch pipeline 7-2 is positioned in the avoidance groove 6, the sucker 7-3 is arranged at the lower end of the main pipeline 7-1, a spring assembly is arranged at the upper end of the main pipeline 7-1, an air ball 7-4 is arranged at the outer end of the branch pipeline 7-2, a one-way valve 7-5 is arranged on the air ball 7-4, the main pipeline 7-1 can be downwards moved by pushing the branch pipeline 7-2 downwards, so that the sucker 7-3 is extruded on a breast, the one-way valve 7-5 only can enable gas in the air ball 7-4 to be outwards discharged, and the sucker 7-3 is adsorbed on the breast by using the air ball 7-4.
Further, the spring assembly comprises a fixing head 7-6 and a tension spring 7-7 fixedly connected between the fixing head 7-6 and the main pipeline 7-1, the fixing head 7-6 is fixedly arranged at the uppermost end in the structural hole 5 through a screw, the main pipeline 7-1 is pulled by the spring assembly at any time, the sucker 7-3 is pulled upwards, and accordingly after the sucker 7-3 is adsorbed on a breast, the breast is driven to lift upwards, and in addition, the tension spring 7-7 is moderate in strength and cannot damage the breast of a patient.
Further, the support plate 1 is provided with a guide groove 12 which is positioned between the two double-layer extrusion devices 2 and is in a circular arc shape, and the support plate 1 is provided with a plurality of positioning holes 13 which are arranged outside the guide groove 12.
Further, the puncture needle guiding device 8 comprises a fixing part 8-1 with a clamping head, the clamping head on the fixing part 8-1 is clamped in the guiding groove 12 and can slide in the guiding groove 12, a stop lever 8-2 which can be inserted into any positioning hole 13 is detachably connected to the fixing part 8-1, the stop lever 8-2 on the fixing part 8-1 is adjusted to be positioned in different positioning holes 13, the position of the puncture needle guiding device 8 can be changed, a guide plate 8-3 which is arc-shaped and is positioned on the outer side of the outer layer plate 2-1 is arranged on the outer side of the fixing part 8-1, a fixing sleeve 8-4 is connected to the guide plate 8-3 in a sliding manner, plugs 8-5 which can be extruded on the guide plate 8-3 are connected to the fixing sleeve 8-4 in a threaded manner, an adjusting part 8-6 for placing a puncture needle is rotatably connected to one side of the fixing sleeve 8-4, and a rotating handle 8-7 for adjusting the rotating puncture needle is arranged on the outer side of the adjusting part 8-6, and accordingly the puncture needle success rate is stably improved by rotating the adjusting part 8-7.
Further, the outer side wall of the supporting rod 3 is provided with a sliding groove 14, the inner side wall of the movable seat 4 is provided with a protrusion 15 positioned in the sliding groove 14, the upper end of the movable seat 4 is provided with a retainer ring 16 turned outwards, the upper end of the movable seat 4 is rotationally connected with a rotating head 17 clamped on the retainer ring 16, the rotating head 17 is in threaded connection with the supporting rod 3, the movable seat 4 and the rotating head 17 are combined to be similar to a movable joint device, and the rotating head 17 and the movable seat 4 can relatively rotate, so that the height of the movable seat 4 is adjusted and positioned by utilizing the threaded connection of the rotating head 17 and the supporting rod 3, and the control of the double-layer extrusion device 2 is facilitated.
Further, the upper end of bracing piece 3 is equipped with echelonment connector 18, connector 18 divide into upper and lower two sections, swivel boot 9 rotates the hypomere of connecting at connector 18, and swivel boot 9 highly is less than the height of connector 18 hypomere, the upper segment threaded connection of connector 18 has lock nut 19, threaded connection has quick detach bolt 20 that can extrude on connector 18 on the lateral wall of swivel boot 9, the diameter of connector 18 upper segment is less than the diameter of connector 18 hypomere, and the diameter of connector 18 hypomere is less than the diameter of bracing piece 3, utilizes echelonment connector 18 and lock nut 19, can prevent effectively that swivel boot 9 and bracing piece 3 from taking place to break away from for the steady rotation of bracing piece 3 is in swivel boot 9, through the effect of quick detach bolt 20, can fix bracing piece 3 in swivel boot 9.
Further, the bracket main body 10 comprises a cross rod 10-1, a vertical rod 10-2 and a clamping seat 10-3, one end of the cross rod 10-1 is fixedly connected with the rotary sleeve 9, the other end of the cross rod 10-1 is connected with the vertical rod 10-2 through a hoop 10-4, the lower end of the vertical rod 10-2 is fixedly connected to the clamping seat 10-3, and the bracket main body 10 is used for fixing the position of the supporting rod 3.
Further, the inner side of the inner layer plate 2-2 is provided with a flexible contact strip 21 positioned at the hinged position, and the contact strip 21 is arranged to be in contact with the breast, so that the breast can be positioned and fixed better, the use effect is more comfortable and mild, and the pain of a patient is reduced.
Further, the rubber sleeve 22 is sleeved at the upper end of each extrusion rod 2-6, so that convenience is brought to the stirring of the extrusion rods 2-6, and the use of the extrusion rods is more convenient and handy.
It should be emphasized that the stand body 10 belongs to the prior art, and can be replaced by an electric transverse/vertical movement module, which will not be described in detail herein.
When the device is used, a patient lies on a sickbed, the clamping seat 10-3 of the bracket main body 10 is fixed on the side frame of the sickbed, so that the vertical rod 10-2 is flush with the chest of the patient, the rotating head 17 in threaded connection with the supporting rod 3 moves upwards, the rotating head 17 drives the moving seat 4 to move upwards, the puncture needle guide device 8 is fully opened, the hoop 10-4 is adjusted, the extending length of the cross rod 10-1 is changed, the supporting disc 1 is positioned above the breast to be detected, the height of the cross rod 10-1 on the vertical rod 10-2 is changed, the puncture needle guide device 8 is moved onto the breast, the three contact strips 21 are respectively contacted with the outermost side of the breast, at the moment, the quick-release bolts 20 can be loosened, the supporting rod 3 is rotated, the adjusting supporting disc 1 is rotated, the puncture needle guide device 8 is positioned on one side of the breast to be punctured, then the quick-release bolts 20 are screwed, and the rotation of the supporting rod 3 is limited, so that the current position of the supporting disc 1 is kept; pressing the branch pipe 7-2, the branch pipe 7-2 moves downwards along the avoidance groove 6, the main pipe 7-1 extends downwards along the structure hole 5, so that the sucker 7-3 is extruded on the breast, the sucker 7-3 is adsorbed on the breast through the extrusion air ball 7-4, then the pressing of the branch pipe 7-2 is released, under the action of the tension spring 7-7, the sucker 7-3 moves upwards, the breast is lifted upwards, at the moment, the rotating head 17 is adjusted downwards, the movable seat 4 moves downwards along the support rod 3, the movable seat 4 moves outwards under the action of the connecting rod 11, the upper end of the push-pull plate 2-7 is accordingly moved outwards, the lower end of the double-layer extrusion device 2 is reduced inwards, the double-layer extrusion device 2 is adjusted to a proper position according to the breast shape, the contact strip 21 is extruded on the outer side of the breast, then the rubber sleeve 22 on the hand-held extrusion rod 2-6 is rotated downwards according to the position of the tumor in the breast tissue, the lower end of the extrusion rod 2-6 is enabled to be extruded upwards on different clamping teeth 2-5, the ultrasonic puncture needle 2-2 can be pushed inwards, and the puncture needle can be accurately matched with the inner layer plate 2, and the puncture angle of the puncture needle can be accurately improved; then under the coordination of ultrasonic guidance, the guide plate 8-3 is adjusted to a proper position, and the adjusting part 8-6 is rotated by the rotating handle 8-7 to position the needle inserting angle of the puncture needle, so that the positioning operation of the puncture biopsy is completed.
The invention designs a double-layer extrusion device, the inner layer plate and the outer layer plate can respectively act, after the breast is positioned, the inner layer plate is pressed to different degrees through the rotation of the extrusion rod, so that the secondary extrusion effect on the breast is realized by utilizing the inner layer plate, the three inner layer plates respectively extrude different forces to extrude the tumor in the breast tissue into the field of view and position, the tumor is prevented from sliding during puncture, the tumor can stably meet the puncture of the puncture needle, and the puncture needle can conveniently and accurately puncture the focus for sampling; the double-layer extrusion device is linked with the movable seat by the connecting rod, the lower end of the double-layer extrusion device is opened and closed by utilizing the up-and-down movement of the movable seat, the double-layer extrusion device is conveniently controlled, and the rotary head can relatively rotate with the movable seat and is in threaded connection with the supporting rod by the matched arrangement of the movable seat and the rotary head, so that the movable seat is conveniently positioned at a proper height on the supporting rod, and the positioning control of the double-layer extrusion device is further realized; the lower end of the supporting disc is provided with the sucker device capable of automatically stretching, the lower disc device can be moved downwards by pressing the branch pipeline downwards, so that the sucker is conveniently adsorbed on a breast, the sucker is matched with the structure Kong Nala force spring to be adsorbed on the breast to move upwards, the collapsed breast is easily pulled up, and convenience is provided for the extrusion operation of the double-layer extrusion device.
Claims (10)
1. The utility model provides a mammary gland tumor puncture biopsy implementation positioning device, includes circular shape supporting disk (1), its characterized in that, supporting disk (1) outside rotates and is connected with a plurality of double-deck extrusion device (2), supporting disk (1) upper end be equipped with rather than coaxial bracing piece (3), sliding connection has movable seat (4) on bracing piece (3), supporting disk (1) bottom axle center department has seted up structure hole (5) that run through in bracing piece (3) inside, set up on the lateral wall of bracing piece (3) dodge groove (6) with structure hole (5) intercommunication, be equipped with sucking disc device (7) that are used for adsorbing the breast in structure hole (5) and the dodge groove (6); the side of the supporting disc (1) is provided with a puncture needle guiding device (8) capable of swinging along the circumferential direction, the upper end of the supporting rod (3) is rotatably connected with a rotating sleeve (9), and the rotating sleeve (9) is fixedly connected to a bracket main body (10);
the double-layer extrusion device is characterized in that the double-layer extrusion device (2) comprises an outer layer plate (2-1) which is rotationally connected to the side edge of a supporting disc (1), the outer layer plate (2-1) is arc-shaped, the lower end of the outer layer plate is hinged to an inner layer plate (2-2), a tension spring (2-3) is arranged between the outer layer plate (2-1) and the inner layer plate (2-2), a sliding rail (2-4) which is matched with the outline of the inner layer plate is arranged at the upper end of the inner layer plate (2-2), a plurality of clamping teeth (2-5) which are equidistantly distributed are arranged in the sliding rail (2-4), an extrusion rod (2-6) is rotationally connected to the outer layer plate (2-1), the lower end of the extrusion rod (2-6) can be connected with the clamping teeth (2-5) in a clamping mode, a push-pull plate (2-7) is arranged at the upper end of the outer layer plate (2-1), a connecting rod (11) is hinged to the upper end of the outer layer plate (2-7), and the upper end of the connecting rod (11) is hinged to a connecting rod (11) on a movable seat (4).
2. The breast tumor aspiration biopsy implementation positioning device according to claim 1, wherein the sucker device (7) comprises a main pipeline (7-1) located in a structural hole (5) and a branch pipeline (7-2) in threaded connection with the main pipeline (7-1) through an adapter, the branch pipeline (7-2) is located in an avoidance groove (6), a sucker (7-3) is arranged at the lower end of the main pipeline (7-1), a spring assembly is arranged at the upper end of the main pipeline (7-1), an air ball (7-4) is arranged at the outer end of the branch pipeline (7-2), and a one-way valve (7-5) is arranged on the air ball (7-4).
3. A breast tumor biopsy implementation positioning device according to claim 2, wherein the spring assembly comprises a fixation head (7-6) and a tension spring (7-7) fixedly connected between the fixation head (7-6) and the main conduit (7-1), the fixation head (7-6) being screwed to the uppermost end in the structural hole (5).
4. The breast tumor puncture biopsy implementation positioning device according to claim 1, wherein the support plate (1) is provided with a guide groove (12) which is positioned between the two double-layer extrusion devices (2) and is arc-shaped, and the support plate (1) is provided with a plurality of positioning holes (13) which are arranged outside the guide groove (12).
5. The positioning device for breast tumor aspiration biopsy implementation according to claim 4, wherein the puncture needle guiding device (8) comprises a fixing part (8-1) with a clamping head, the clamping head on the fixing part (8-1) is clamped in a guiding groove (12) and can slide in the guiding groove (12), a stop lever (8-2) which can be inserted into any positioning hole (13) is detachably connected to the fixing part (8-1), a guide plate (8-3) which is arc-shaped and is positioned on the outer side of the outer layer plate (2-1) is arranged on the outer side of the fixing part (8-1), a fixing sleeve (8-4) is connected to the guide plate (8-3) in a sliding manner, a plug (8-5) which can be extruded on the guide plate (8-3) is connected to one side of the fixing sleeve (8-4) in a rotating manner, and a rotating handle (8-7) for adjusting the rotating of the adjusting part (8-6) is arranged on the outer side of the fixing sleeve.
6. The breast tumor puncture biopsy implementation positioning device according to claim 1, wherein a chute (14) is formed in the outer side wall of the support rod (3), a protrusion (15) located in the chute (14) is arranged on the inner side wall of the movable seat (4), a retainer ring (16) turned outwards is arranged at the upper end of the movable seat (4), a rotating head (17) clamped on the retainer ring (16) is rotatably connected at the upper end of the movable seat (4), and the rotating head (17) is connected on the support rod (3) in a threaded manner.
7. The breast tumor aspiration biopsy implementation positioning device according to claim 1, wherein the upper end of the support rod (3) is provided with a step-shaped connector (18), the connector (18) is divided into an upper section and a lower section, the rotary sleeve (9) is rotationally connected with the lower section of the connector (18), the height of the rotary sleeve (9) is smaller than that of the lower section of the connector (18), the upper section of the connector (18) is in threaded connection with a locking nut (19), the outer side wall of the rotary sleeve (9) is in threaded connection with a quick-release bolt (20) which can be extruded on the connector (18), the diameter of the upper section of the connector (18) is smaller than that of the lower section of the connector (18), and the diameter of the lower section of the connector (18) is smaller than that of the support rod (3).
8. The breast tumor aspiration biopsy implementation positioning device according to claim 1, wherein the bracket main body (10) comprises a cross rod (10-1), a vertical rod (10-2) and a clamping seat (10-3), one end of the cross rod (10-1) is fixedly connected with the rotary sleeve (9), the other end of the cross rod (10-1) is connected with the vertical rod (10-2) through a hoop (10-4), and the lower end of the vertical rod (10-2) is fixedly connected to the clamping seat (10-3).
9. A breast tumor biopsy implementation positioning device according to claim 1, wherein the inner side of the inner plate (2-2) is provided with a flexible contact strip (21) at the hinge thereof.
10. The breast tumor puncture biopsy implementation positioning device according to claim 1, wherein a rubber sleeve (22) is sleeved at the upper end of each extrusion rod (2-6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111467447.6A CN113974863B (en) | 2021-12-03 | 2021-12-03 | Positioning device for breast tumor puncture biopsy implementation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111467447.6A CN113974863B (en) | 2021-12-03 | 2021-12-03 | Positioning device for breast tumor puncture biopsy implementation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113974863A CN113974863A (en) | 2022-01-28 |
| CN113974863B true CN113974863B (en) | 2023-06-30 |
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Family Applications (1)
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| CN114521975B (en) * | 2022-03-22 | 2023-05-30 | 袁中芹 | Oncology is with tumour absorption clamp |
| CN116616842B (en) * | 2023-07-20 | 2023-10-13 | 北京爱康宜诚医疗器材有限公司 | Bidirectional spreader |
| CN117257354B (en) * | 2023-11-22 | 2024-02-27 | 浙江省肿瘤医院 | Ultrasonic guided breast tumor positioner |
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