CN115581484A - Pulmonary nodule puncture positioner - Google Patents

Pulmonary nodule puncture positioner Download PDF

Info

Publication number
CN115581484A
CN115581484A CN202211354508.2A CN202211354508A CN115581484A CN 115581484 A CN115581484 A CN 115581484A CN 202211354508 A CN202211354508 A CN 202211354508A CN 115581484 A CN115581484 A CN 115581484A
Authority
CN
China
Prior art keywords
needle
positioning
puncture
air
piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202211354508.2A
Other languages
Chinese (zh)
Inventor
王勤
杨雪梅
朱涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Second Affiliated Hospital of Chongqing Medical University
Original Assignee
Second Affiliated Hospital of Chongqing Medical University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Second Affiliated Hospital of Chongqing Medical University filed Critical Second Affiliated Hospital of Chongqing Medical University
Priority to CN202211354508.2A priority Critical patent/CN115581484A/en
Publication of CN115581484A publication Critical patent/CN115581484A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • A61B90/11—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 with guides for needles or instruments, e.g. arcuate slides or ball joints

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention discloses a pulmonary nodule puncture positioning device which comprises a puncture needle, a positioning wire and a push-out device, wherein the puncture needle is a hollow needle; the positioning needle is arranged in the puncture needle and is positioned at one end of the needle point of the puncture needle, the positioning needle can expand and deform under stress, when the positioning needle extends out of the needle point of the puncture needle, the positioning needle can expand outwards into a sphere under stress, and when the stress is relieved, the expanded positioning needle can recover; the positioning wire is connected to the positioning needle and penetrates out of one end of the handle of the puncture needle; the push-out device is slidably inserted in the puncture needle and is used for pushing the positioning needle out of one end of the needle point of the puncture needle. This pulmonary nodule puncture positioner can carry out accurate location, and is difficult to the unhook, fixes a position the pjncture needle simultaneously and still conveniently extracts after the inflation.

Description

Pulmonary nodule puncture positioner
Technical Field
The invention relates to the technical field of puncture positioning, in particular to a pulmonary nodule puncture positioning device.
Background
Pulmonary nodules are granulomatous diseases with unknown causes, multiple systems and multiple organs, often invade organs such as lung, bilateral pulmonary lymph nodes, eyes and skin, and granulomatous sarcoidosis is seen as the accumulation of skin-like cells on tissue slices. Puncture localization opens up an effective method for differential diagnosis of pulmonary nodules.
Most of the existing puncture positioning adopts a lung puncture positioning needle commonly used in the prior art, the trocar is punctured into the lung after being positioned according to CT scanning, after the CT scanning is repeated, the trocar is shown to be positioned in a pulmonary nodule, the trocar is pulled out, so that the positioning guide wire extends out of the trocar, namely, a hook at the end part of the positioning guide wire is released immediately, the positioning guide wire is expanded and opened and is positioned in the nodule or is positioned in the pulmonary tissue around the nodule, the positioning puncture needle with the structure can position the nodule, but the position accuracy of the pulmonary nodule with the diameter smaller than 5mm needs to be enhanced in the positioning process, and in the using process, the existing lung puncture positioning needle is easy to unhook; in addition, the positioning puncture needle of the existing lung puncture positioning needle is difficult to pull out after the guide wire is expanded, and the puncture positioning can not be stopped under special conditions that the puncture position is wrong, a patient does not receive an operation temporarily and the like.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a pulmonary nodule puncture positioning device which can perform accurate positioning, is not easy to unhook, and is convenient to pull out after the positioning puncture needle is expanded.
In order to realize the purpose, the invention is realized by the following technical scheme: a pulmonary nodule puncturing and locating device, comprising:
the puncture needle is a hollow needle;
the positioning needle is arranged in the puncture needle and is positioned at one end of the needle point of the puncture needle, the positioning needle can expand and deform under stress, the positioning needle can expand outwards into a sphere under stress after the positioning needle extends out of the needle point of the puncture needle, and the expanded positioning needle can recover after the stress is relieved;
the positioning wire is connected to the positioning needle and penetrates out of one end of the handle of the puncture needle; and
the pushing-out device is inserted into the puncture needle in a sliding mode and used for pushing the positioning needle out of one end of the needle point of the puncture needle.
Further, the positioning needle comprises an air storage cylinder, an air pipe, a piston, a connecting rod, a bottom plate and an expansion rod; the setting that the gas receiver can slide is in the pjncture needle, the bottom of gas receiver is the opening form to be located and be close to needle point one side of pjncture needle, the trachea is connected the top of gas receiver, and with the gas receiver intercommunication, just the trachea stretches out from the top of pjncture needle, be provided with the ooff valve on the trachea, the setting that the piston is sealed and can slide is in the gas receiver, the one end of connecting rod is fixed the interior top surface of gas receiver, what the other one end of connecting rod can slide passes the piston stretches out to outside the gas receiver, the bottom plate is located outside the gas receiver, and connect the tip of connecting rod, the expansion rod has a plurality ofly, and is a plurality of the expansion rod along the axis circumference interval of connecting rod sets up, just the both ends of expansion rod respectively with the piston with the bottom plate is connected.
Further, the pilot pin still includes the resilience circle, the resilience circle is concrete flexible, the resilience circle has a plurality ofly, and is a plurality of the resilience circle is along the axial interval setting of connecting rod, and every the resilience circle all with on its circumference the expansion link is connected.
Furthermore, the locating pin still includes the rebound spare, the cover that can slide of rebound spare is established on the connecting rod, just the both ends of rebound spare are connected respectively the piston with on the interior top surface of gas receiver.
Further, the bottom surface of the bottom plate is provided with a conical front guide cone.
Furthermore, the positioning needle further comprises an auxiliary grasping assembly, the expansion rod is a hollow rod, a plurality of through holes are formed in the outer side wall of each expansion rod at intervals along the length direction of the expansion rod, one auxiliary grasping assembly is arranged in each expansion rod and comprises a driving part and a contact pin, the driving part is arranged in each expansion rod and arranged along the length direction of each expansion rod, the contact pins are arranged in a plurality and arranged on the driving part at intervals and in one-to-one correspondence with the through holes, and the driving part can drive the contact pins to penetrate out of the corresponding through holes.
Furthermore, a limiting ring is arranged at the bottom of the air storage cylinder, the piston is a hollow body, a vent hole communicated with an inner cavity of the piston is formed in the side wall of the piston, the driving part comprises a strip-shaped elastic sheet and an air bag, the elastic sheet is arranged in the expansion rod, the contact pin is arranged on one side, facing the through hole, of the elastic sheet, the air bag is attached to one side, away from the contact pin, of the elastic sheet, the top end of the air bag is connected with and communicated with the piston, a U-shaped air channel is vertically formed in the side wall of the air storage cylinder, close to the limiting ring, of the air storage cylinder, an air inlet and an air outlet are formed in the two ends of the U-shaped air channel respectively, the air outlet is located on one side, close to the limiting ring, the distance between the air outlet and the air inlet is equal to the thickness of the piston, and when the piston abuts against the limiting ring, the air outlet is communicated with the vent hole.
Furthermore, the push-out device comprises a limiting buckle, a handle and a push cylinder, the push cylinder can be inserted into the puncture needle in a sliding mode, the end portion of the push cylinder can abut against the top end of the air storage cylinder, the handle is arranged at the top end of the push cylinder, the limiting buckle can be detachably connected to the push cylinder, the two ends of the limiting buckle can be connected with the handle in a clamped mode with the top of the puncture needle respectively, and the positioning line and the air pipe penetrate out of the push cylinder.
Furthermore, a conical rear guide cone is arranged at the top of the air storage cylinder.
Further, the trachea is disposed within the locating line.
The invention has the beneficial effects that:
when the puncture positioning device for the pulmonary nodule needs puncture positioning, the puncture needle reaches the pulmonary nodule through the puncture needle, and then the puncture needle is continuously pushed forwards until the tip of the puncture needle penetrates through the pulmonary nodule; then, pushing the push-out device to push the positioning needle to the puncture needle, and then applying external force to the positioning needle to expand the positioning needle outwards to form a sphere; and then, the push-out device and the puncture needle are drawn out, the spherical puncture needle is fixed in the lung tissue, the positioning wire is inserted in the lung nodule, and the positioning needle can be positioned in the lung tissue and is not easy to displace due to the fact that the positioning needle is expanded to be spherical, so that the purpose of accurate positioning is achieved. When the lung nodule takes place to remove, the location line can remove along with the lung nodule, further guarantees the accuracy of location. When the positioning needle needs to be taken down, the external force applied to the positioning needle is removed, the positioning needle is restored, the puncture needle can be introduced to the positioning needle again, the positioning wire is dragged reversely, the restored positioning needle is guided to enter the puncture needle, the puncture needle and the positioning needle can be taken out together, and positioning is removed.
By adopting the pulmonary nodule puncture positioning device, the positioning is accurate, and meanwhile, the positioning is also conveniently released, so that a doctor can conveniently correct the puncture position, and the positioning is conveniently stopped at any time.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
FIG. 1 is a schematic view of a pulmonary nodule puncturing and positioning apparatus provided in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of the locating needle of the pulmonary nodule puncturing and locating device of FIG. 1 in an expanded state after the locating needle has passed out of the tip of the puncturing needle;
FIG. 3 is a schematic view of an auxiliary grasping member of the pulmonary nodule puncturing and positioning device of FIG. 1;
FIG. 4 is a schematic view of the insertion needle of the auxiliary grasping element of the pulmonary nodule puncturing and positioning device of FIG. 1 passing through the puncture hole;
fig. 5 is a schematic view of the positioning needle of the pulmonary nodule puncturing and positioning device shown in fig. 1 in a positioning state.
Reference numerals:
100. puncturing needle; 200. a positioning pin; 210. an air cylinder; 211. a U-shaped air passage; 2111. an air inlet; 2112. an air outlet; 212. a rear guide cone; 213. a limiting ring; 220. an air tube; 221. an on-off valve; 230. a piston; 231. a vent hole; 240. a connecting rod; 250. a base plate; 251. a front guide cone; 260. an expansion rod; 261. perforating; 270. a resilient ring; 280. a resilient member; 290. an auxiliary grasping assembly; 291. a drive member; 2911. an elastic sheet; 2912. an air bag; 292. inserting a pin; 300. positioning a line; 400. a push-out device; 410. a limiting buckle; 420. a handle; 430. a push cylinder.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1 to 4, the invention provides a pulmonary nodule puncturing and positioning device, which comprises a puncture needle 100, a positioning needle 200, a positioning wire 300 and a push-out device 400, and is used for puncturing and positioning a pulmonary nodule 1.
Specifically, needle 100 is a hollow needle. The setting needle 200 is disposed in the puncture needle 100 at one end of the needle tip of the puncture needle 100, the setting needle 200 can be expanded and deformed by a force, the setting needle 200 can be expanded outward into a sphere by the force after the setting needle 200 is protruded from the needle tip of the puncture needle 100, and the expanded setting needle 200 can be restored after the force is released. The positioning wire 300 is attached to the positioning needle 200 and exits the handle end of the needle 100. The ejector 400 is slidably inserted into the puncture needle 100 and is used to eject the positioning pin 200 from the tip end of the puncture needle 100.
When puncture positioning is needed, the puncture needle 100 is firstly passed through to the lung nodule 1, and then the puncture needle 100 is continuously pushed forwards until the tip of the puncture needle 100 passes through the lung nodule 1; then, the pushing-out device 400 is pushed to push the positioning needle 200 to the puncture needle 100, and then, an external force is applied to the positioning needle 200, and the positioning needle 200 expands outwards to form a sphere; subsequently, the push-out device 400 and the puncture needle 100 are pulled out, the spherical puncture needle 100 is fixed in the lung tissue, the positioning wire 300 is inserted in the lung nodule 1, and the positioning needle 200 is expanded to be spherical, so that the positioning can be positioned in the lung tissue, and the displacement is not easy to occur, thereby achieving the purpose of accurate positioning. When the lung nodule 1 moves, the positioning line 300 moves along with the lung nodule 1, and the positioning accuracy is further ensured. When the positioning needle 200 needs to be removed, the external force applied to the positioning needle 200 is removed, the positioning needle 200 is restored, the puncture needle 100 can be introduced to the positioning needle 200 again, the positioning wire 300 is pulled reversely, the restored positioning needle 200 is guided into the puncture needle 100, and the puncture needle 100 and the positioning needle 200 can be taken out together, so that the positioning is removed.
By adopting the pulmonary nodule puncture positioning device, the positioning is accurate, and meanwhile, the positioning is also conveniently released, so that a doctor can conveniently correct the puncture position, and the positioning is conveniently stopped at any time.
In the present embodiment, the locating pin 200 includes an air cylinder 210, an air tube 220, a piston 230, a connecting rod 240, a bottom plate 250, and an expansion rod 260. The air cylinder 210 is slidably disposed in the puncture needle 100, and the bottom of the air cylinder 210 is open and located at a side close to the needle tip of the puncture needle 100. The air tube 220 is connected to the top end of the air cylinder 210 and communicates with the air cylinder 210, and the air tube 220 protrudes from the top of the puncture needle 100. The air pipe 220 is provided with a switching valve 221. The piston 230 is hermetically and slidably disposed in the air cylinder 210. One end of the connecting rod 240 is fixed to the inner top surface of the air cylinder 210, and the other end of the connecting rod 240 slidably passes through the piston 230 and extends out of the air cylinder 210. The base plate 250 is located outside the air cylinder 210 and is connected to the end of the connecting rod 240. The expansion rods 260 are plural, the plural expansion rods 260 are circumferentially spaced along the axis of the connecting rod 240, and both ends of the expansion rods 260 are connected to the piston 230 and the base plate 250, respectively.
After the positioning needle 200 is ejected from the needle tip of the puncture needle 100, the air tube 220 is communicated with an external air source, the air storage cylinder 210 is inflated through the air tube 220, the air pushes the piston 230 to move towards the bottom of the air storage cylinder 210, the expansion rod 260 gradually expands outwards until the expansion is a small sphere, the inflation can be stopped, the switch valve 221 on the air tube 220 is closed, the pressure is maintained, the shape of the positioning needle 200 is fixed, and the positioning purpose is achieved. In addition, the positioning needle 200 with the expansion rods 260 is adopted, after the positioning needle 200 is expanded, lung tissues can be embedded between the two adjacent expansion rods 260, the movement of the positioning needle 200 is prevented, and the purposes of displacement prevention and accurate positioning are further achieved. Of course, in the gas embodiment, the expansion portion of the positioning needle 200 may be an expandable elastic membrane, and when the elastic membrane is inflated, the elastic membrane expands into a sphere, so as to achieve the positioning function.
Of course, in practice, the positioning needle 200 may be positioned near the lung nodule 1 for positioning purposes.
In particular implementations, the air tube 220 may be disposed within the positioning wire 300. The air pipe 220 can be protected to some extent and the installation space can be reduced.
In a preferred embodiment, the positioning pin 200 further comprises a resilient ring 270. The resilient ring 270 is elastic, the resilient ring 270 has a plurality of resilient rings 270, the resilient rings 270 are arranged at intervals along the axial direction of the connecting rod 240, and each resilient ring 270 is connected with the expansion rod 260 on the circumference thereof. The resilient ring 270 assists the expansion rod 260 to recover after the gas in the gas cylinder 210 is discharged through the gas pipe 220. In addition, the positioning pin 200 further includes a resilient member 280, the resilient member 280 can be slidably sleeved on the connecting rod 240, and two ends of the resilient member 280 are respectively connected to the inner top surfaces of the piston 230 and the air cylinder 210. The resilient member 280 also assists in the return of the piston 230 and thus the expansion rod 260, when the gas in the cylinder is discharged through the gas tube 220. The bottom surface of the bottom plate 250 is provided with a tapered front guide cone 251. The front guide cone 251 may play a role of a guide during the advance of the base plate 250.
It should be noted that the resilient ring 270 and the resilient member 280 may be spring-loaded.
As a more preferred embodiment, the positioning pin 200 further comprises an auxiliary grasping assembly 290. The expansion rods 260 are hollow rods, a plurality of through holes 261 are formed in the outer side wall of each expansion rod 260 at intervals along the length direction of the expansion rod, and an auxiliary grasping assembly 290 is arranged in each expansion rod 260. The auxiliary grasping assembly 290 includes a driving member 291 and a plurality of pins 292, the driving member 291 is disposed in the expansion rod 260 and is disposed along the length direction of the expansion rod 260, the plurality of pins 292 are disposed on the driving member 291 at intervals and correspond to the plurality of through holes 261 one by one, and the driving member 291 can drive the pins 292 to pass through the corresponding through holes 261.
Specifically, the bottom of the air cylinder 210 is provided with a limit ring 213, the piston 230 is a hollow body, and the side wall of the piston 230 is provided with a vent hole 231 communicated with the inner cavity thereof. The drive member 291 includes a strip-shaped resilient tab 2911 and an air bag 2912. A resilient tab 2911 is provided in the expansion rod 260. A pin 292 is disposed on a side of the flexible sheet 2911 facing the perforation 261. A balloon 2912 is attached to the side of the flexible chip 2911 remote from the pin 292, and the top end of the balloon 2912 is connected to and communicates with the piston 230. The side wall of the air cylinder 210 near the limit ring 213 is vertically provided with a U-shaped air passage 211, two ends of the U-shaped air passage 211 are respectively provided with an air inlet 2111 and an air outlet 2112, the air outlet 2112 is positioned at one side near the limit ring 213, the distance between the air outlet 2112 and the air inlet 2111 is equal to the thickness of the piston 230, and when the piston 230 abuts against the limit ring 213, the air outlet 2112 is communicated with the vent hole 231.
After the air cylinder 210 is inflated, the piston 230 moves to the position of the stop collar 213, and the expansion rods 260 are expanded outward into a spherical shape. At this time, as the air outlet 2112 is communicated with the air vent 231, the piston 230 is continuously inflated, the air enters from the air inlet 2111 of the U-shaped air passage 211, enters the inner cavity of the piston 230 through the air outlet 2112 and the air vent 231, and then flows into each air bag 2912 from the inner cavity of the piston 230, after the air bags 2912 are inflated, the elastic pieces 2911 are pushed to move towards the through holes 261 until the insertion pins 292 penetrate out of the through holes 261 and are inserted into the lung tissue, and because the angle of each insertion pin 292 is different, a spherical puncturing body can be formed, and the positioning effect is further improved. When the gas in the air bag 2912 is released, the pushing force of the elastic piece 2911 is released, and the inserting needle 292 is naturally retracted into the expansion rod 260, so that the positioning is released conveniently.
In this embodiment, the pushing-out device 400 includes a stopper 410, a handle 420, and a pushing cylinder 430. The push cylinder 430 is slidably inserted into the puncture needle 100, and an end of the push cylinder 430 is abutted against a tip of the air cylinder 210. The handle 420 is disposed at the top end of the push cylinder 430. The limit button 410 is detachably clamped on the push cylinder 430, and two ends of the limit button 410 are respectively clamped with the handle 420 and the top of the puncture needle 100. The positioning wire 300 and the air tube 220 both penetrate out of the push cylinder 430.
When the positioning needle 200 needs to be pushed, the puncture needle 100 can be pushed only by removing the stopper 410 and pushing the handle 420 in the direction of the human body.
In a preferred embodiment, a tapered rear guide cone 212 is disposed at the top of the air reservoir 210, and when it is required to reversely withdraw the positioning needle 200 into the puncture needle 100, the rear guide cone 212 plays a role of guiding, thereby facilitating the withdrawal of the positioning needle 200 into the puncture needle 100.
The use mode of the pulmonary nodule puncture positioning device is as follows:
when puncture positioning is needed, the puncture needle 100 reaches the pulmonary nodule 1, then the puncture needle 100 continues to advance until the needle tip of the puncture needle 100 penetrates through the pulmonary nodule 1, then the limit button 410 is taken down, the handle 420 is pushed towards the human body direction, and the push cylinder 430 pushes the positioning needle 200 out of the puncture needle 100;
then, the air tube 220 inflates the air reservoir 210, the air pushes the piston 230 to move towards the bottom of the air reservoir 210, the expansion rods 260 gradually expand outwards, and when the piston 230 moves to the position of the limiting ring 213, the expansion rods 260 expand outwards to be spherical. At this time, as the air outlet 2112 is communicated with the air vent 231 and the piston 230 is continuously inflated, air enters from the air inlet 2111 of the U-shaped air passage 211, enters the inner cavity of the piston 230 through the air outlet 2112, and then flows into each air bag 2912 from the inner cavity of the piston 230, and after the air bags 2912 are inflated, the elastic sheets 2911 are pushed to move towards the through hole 261 until the insertion pin 292 penetrates out of the through hole 261 and is inserted into the lung tissue;
the inflation can be stopped, and the switch valve 221 on the air tube 220 is closed, so that the shape of the positioning needle 200 is fixed, and the positioning purpose is achieved.
When the positioning needle 200 needs to be taken down, the switch valve 221 is opened, the gas in the gas storage cylinder 210 is discharged, the positioning needle 200 is recovered, the piston 230 moves backwards under the assistance of the rebound ring 270 and the rebound part 280, the expansion rod 260 recovers, then the puncture needle 100 is introduced to the positioning needle 200 again, the positioning needle 200 is pulled back into the puncture needle 100 reversely, and then the positioning needle 200 can be taken out, and the positioning is released.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims (10)

1. A pulmonary nodule puncture locating device, comprising:
the puncture needle is a hollow needle;
the positioning needle is arranged in the puncture needle and is positioned at one end of the needle point of the puncture needle, the positioning needle can expand and deform under stress, when the positioning needle extends out of the needle point of the puncture needle, the positioning needle can expand outwards into a sphere under stress, and when the stress is relieved, the expanded positioning needle can recover;
the positioning wire is connected to the positioning needle and penetrates out of one end of the handle of the puncture needle; and
the pushing-out device is inserted into the puncture needle in a sliding mode and used for pushing the positioning needle out of one end of the needle point of the puncture needle.
2. The pulmonary nodule puncturing and positioning device of claim 1, wherein the positioning pin comprises an air reservoir, an air tube, a piston, a connecting rod, a base plate and an expansion rod; the setting that the gas receiver can slide is in the pjncture needle, the bottom of gas receiver is the opening form to be located and be close to needle point one side of pjncture needle, the trachea is connected the top of gas receiver, and with the gas receiver intercommunication, just the trachea stretches out from the top of pjncture needle, be provided with the ooff valve on the trachea, the setting that the piston is sealed and can slide is in the gas receiver, the one end of connecting rod is fixed the interior top surface of gas receiver, what the other one end of connecting rod can slide passes the piston stretches out to outside the gas receiver, the bottom plate is located outside the gas receiver, and connect the tip of connecting rod, the expansion rod has a plurality ofly, and is a plurality of the expansion rod along the axis circumference interval of connecting rod sets up, just the both ends of expansion rod respectively with the piston with the bottom plate is connected.
3. The pulmonary nodule puncturing and positioning device of claim 2, wherein the positioning needle further comprises a plurality of resilient rings, the resilient rings are elastic, the resilient rings are arranged at intervals along the axial direction of the connecting rod, and each resilient ring is connected with the expansion rod on the circumference thereof.
4. The pulmonary nodule puncturing and positioning device of claim 2, wherein the positioning pin further comprises a resilient member slidably disposed over the connecting rod, and wherein two ends of the resilient member are connected to the inner top surfaces of the piston and the air cylinder, respectively.
5. The pulmonary nodule puncturing and positioning device of claim 2, wherein the bottom surface of the base plate is provided with a tapered front guide cone.
6. The pulmonary nodule puncturing and positioning device according to claim 2, wherein the positioning needle further comprises an auxiliary grasping assembly, the expansion rods are hollow rods, a plurality of through holes are formed in the outer side wall of each expansion rod at intervals along the length direction of the expansion rod, one auxiliary grasping assembly is arranged in each expansion rod, the auxiliary grasping assembly comprises a driving part and a plurality of contact pins, the driving part is arranged in each expansion rod and arranged along the length direction of the expansion rod, the plurality of contact pins are arranged on the driving part at intervals and correspond to the plurality of through holes one by one, and the driving part can drive the contact pins to penetrate out of the corresponding through holes.
7. The pulmonary nodule puncture positioning device according to claim 6, wherein a limiting ring is disposed at the bottom of the air reservoir, the piston is a hollow body, a vent hole communicated with an inner cavity of the piston is formed in a side wall of the piston, the driving part comprises a strip-shaped elastic sheet and an air bag, the elastic sheet is disposed in the expansion rod, the contact pin is disposed on one side of the elastic sheet facing the through hole, the air bag is attached to one side of the elastic sheet away from the contact pin, the top end of the air bag is connected and communicated with the piston, a U-shaped air passage is vertically disposed on the side wall of the air reservoir near the limiting ring, two ends of the U-shaped air passage are respectively an air inlet and an air outlet, the air outlet is disposed on one side near the limiting ring, the distance between the air outlet and the air inlet is equal to the thickness of the piston, and when the piston abuts against the limiting ring, the air outlet is communicated with the vent hole.
8. The pulmonary nodule puncture positioning device according to claim 2, wherein the pushing device comprises a limit buckle, a handle and a push cylinder, the push cylinder can be slidably inserted into the puncture needle, the end of the push cylinder can abut against the top end of the air storage cylinder, the handle is arranged at the top end of the push cylinder, the limit buckle can be detachably clamped on the push cylinder, two ends of the limit buckle can be respectively clamped with the handle and the top of the puncture needle, and the positioning line and the air pipe both penetrate out of the push cylinder.
9. The pulmonary nodule puncturing and positioning device of claim 8, wherein a tapered rear guide cone is provided at the top of the air reservoir.
10. The pulmonary nodule puncturing positioning device of claim 2, wherein the trachea is disposed within the positioning wire.
CN202211354508.2A 2022-11-01 2022-11-01 Pulmonary nodule puncture positioner Withdrawn CN115581484A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211354508.2A CN115581484A (en) 2022-11-01 2022-11-01 Pulmonary nodule puncture positioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211354508.2A CN115581484A (en) 2022-11-01 2022-11-01 Pulmonary nodule puncture positioner

Publications (1)

Publication Number Publication Date
CN115581484A true CN115581484A (en) 2023-01-10

Family

ID=84782146

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211354508.2A Withdrawn CN115581484A (en) 2022-11-01 2022-11-01 Pulmonary nodule puncture positioner

Country Status (1)

Country Link
CN (1) CN115581484A (en)

Similar Documents

Publication Publication Date Title
US20050131442A1 (en) Insertion and retrieval system for inflatable devices
CN105073040B (en) For the method and apparatus being seated in bladder will to be intubated
EP0480653A1 (en) Surgical access sheath
EP0432363A2 (en) Locking trocar sleeve
US20090209973A1 (en) Surgical apparatus and the use thereof
CN102573677A (en) Guide device
CN108992768B (en) Brain operation dilator and brain channel establishment method using same
KR101615448B1 (en) Catheter for chest
CN110215596B (en) Area is towards inhaling intestinal catheter of obstruction
CN115581484A (en) Pulmonary nodule puncture positioner
CN218922739U (en) Gasbag location stamp card and wicresoft passageway fixing device
CN215079387U (en) Puncture outfit
CN213724321U (en) Disposable medical cervical dilatation balloon catheter
CN209790487U (en) Biliary tract drainage tube
CN112773475A (en) Puncture outfit
CN212699861U (en) Tension pneumothorax exhaust apparatus
CN110934616A (en) Aorta covered stent membrane rupture device
CN221671621U (en) Medical endoscope, protective endoscope device and ureteral lithotripsy operation system
CN211301506U (en) Indwelling needle
CN217219857U (en) Cerebral cortex fistulization sacculus expansion passageway
KR101142569B1 (en) Trocar apparatus
CN111449731B (en) Puncture needle capable of avoiding needle channel planting transfer
CN219963028U (en) Falling plugging device capturing tool
CN213641588U (en) Postpartum vagina blood adsorber
CN217310508U (en) Injection needle for endoscope

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20230110

WW01 Invention patent application withdrawn after publication