CN110464480B - Handle structure and positioning structure - Google Patents
Handle structure and positioning structure Download PDFInfo
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- CN110464480B CN110464480B CN201910872145.3A CN201910872145A CN110464480B CN 110464480 B CN110464480 B CN 110464480B CN 201910872145 A CN201910872145 A CN 201910872145A CN 110464480 B CN110464480 B CN 110464480B
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- 230000009471 action Effects 0.000 claims abstract description 7
- 210000001503 joint Anatomy 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003902 lesion Effects 0.000 description 11
- 238000001574 biopsy Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000002591 computed tomography Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002729 catgut Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
-
- 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
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3904—Markers, e.g. radio-opaque or breast lesions markers specially adapted for marking specified tissue
- A61B2090/3908—Soft tissue, e.g. breast tissue
-
- 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
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3987—Applicators for implanting markers
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The embodiment of the invention provides a handle structure and a positioning structure, and relates to the field of medical instruments. Aims at solving the problem of how to guide the positioning object into the focus position more quickly in the operation. The handle structure comprises a body, wherein the body is provided with a channel for accommodating a positioning object and a first opening; the pushing piece comprises a driving part and a pushing part which are connected, the pushing part is arranged in the channel, and the driving part is used for driving the pushing part to move under the action of external force so as to send the positioning object into the needle sleeve connected with the first connector through the first opening. The handle structure also includes a locator and a lead. The positioning structure comprises a needle sleeve and a handle structure. The beneficial effects include: the pushing piece is connected with the body, and when in operation, the first connector on the body is only required to be in butt joint with one end of the needle sleeve, which is positioned outside the focus, and the driving part is pushed by external force, so that the positioning object positioned in the channel can be sent into the needle sleeve and the focus position through the needle sleeve, the operation of guiding the positioning object into the focus position is convenient and rapid, and the operation time can be obviously shortened.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a handle structure and a positioning structure.
Background
In the complete thoracoscopic lesion excision operation, when the lesion is smaller than 1 cm and more than 5 mm away from the lung surface, the tumor is difficult to identify at a probability of 63% to cause operation failure, so that accurate positioning of the lesion before operation has become a key to operation success or failure.
In the existing positioning device, the operation of the guiding process of the positioning object is inconvenient, and the operation time is prolonged.
Disclosure of Invention
Objects of the present invention include, for example, providing a handle structure that solves the problem of how to introduce a locator into a focal location more quickly during surgery.
It is also an object of the present invention to provide a positioning structure that solves the problem of how to introduce a positioning object into a lesion location faster during surgery.
Embodiments of the invention may be implemented as follows:
embodiments of the present invention provide a handle structure comprising:
The body is provided with a channel for accommodating the positioning object, a first opening communicated with the channel and a first connector detachably connected with the needle sleeve;
the pushing piece comprises a driving part and a pushing part which are connected, the driving part is movably connected with the body, the pushing part is arranged in the channel and is used for contacting a positioning object positioned in the channel, and the driving part is used for driving the pushing part to move under the action of external force so as to send the positioning object positioned in the channel into a needle sleeve connected with the first connector through the first opening.
Optionally:
the body is provided with a notch which is communicated with the outside of the channel and the body;
The pushing piece further comprises a sliding part connected between the driving part and the pushing part, the sliding part is arranged in the notch in a sliding mode, and the driving part is located outside the body.
Optionally:
the pushing part is in a rod shape and is in clearance fit with the channel.
Optionally:
the first opening is located on the first connector, and the first opening is used for being communicated with the needle sleeve when the first connector is fixed with the needle sleeve.
Embodiments of the present invention also provide a handle structure for delivering a locator into a needle hub, comprising:
The body is provided with a channel and a first opening communicated with the channel, and the body is also provided with a first connector used for being detachably connected with the needle sleeve;
The positioning object is accommodated in the channel;
at least part of the wire is positioned in the channel, and one end of the wire is connected with the positioning object;
the pushing piece comprises a driving part and a pushing part which are connected, the driving part is movably connected with the body, the pushing part is arranged in the channel and is contacted with a positioning object positioned in the channel, and the driving part is used for driving the pushing part to move under the action of external force so as to send the positioning object positioned in the channel into a needle sleeve connected with the first connector through the first opening.
Optionally:
the first opening is located on the first connector, and the first opening is used for being communicated with the needle sleeve when the first connector is fixed with the needle sleeve.
Optionally:
the body is also provided with a second opening communicated with the channel, the first opening and the second opening are respectively positioned at two ends of the body, the first opening is used for enabling a positioning object positioned in the channel to be sent into the needle sleeve, and the lead penetrates out of the second opening.
Optionally:
One end of the wire is connected with the positioning object, and the other end of the wire is connected with the pushing part or the body.
The embodiment of the invention also provides a positioning structure which comprises a needle sleeve and a handle structure;
the needle sheath is provided with a second connector detachably connected with the first connector.
Optionally:
The positioning structure also comprises a puncture needle which is movably arranged in the needle sleeve.
The handle structure and the positioning structure of the embodiment of the invention have the beneficial effects that:
The handle structure, the impeller is in the same place with body coupling, and the one end of needle cover is located the focus, only needs to be in butt joint the first joint on the body with the one end that the needle cover is located outside the focus during operation, and outside promotes drive division with force, can drive the activity of drive division, send into the needle cover and send into focus position through the needle cover with the setting object that is located in the passageway, and the process operation of the leading-in focus position of setting object is convenient and fast, can show the reduction operation time, reduces the operation risk.
The positioning structure is characterized in that one end of the needle sleeve is positioned in a focus, the pushing piece is connected with the body, when in operation, only the first joint on the body is needed to be in butt joint with one end of the needle sleeve positioned outside the focus, the driving part is pushed by external force, the pushing part can be driven to move, a positioning object positioned in the channel is sent into the needle sleeve and pushed to the focus position, the positioning object is guided into the focus position, the operation is convenient and fast, the operation time can be obviously shortened, and the operation risk is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a positioning structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of a puncture needle and a needle sheath according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2A;
FIG. 4 is a schematic view of the internal structure of a handle structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of the external structure of a handle structure according to an embodiment of the present invention;
Fig. 6 is a schematic structural diagram of a positioning object according to an embodiment of the present invention being introduced into a lesion position.
Icon: 001-positioning structure; 100-needle sleeve; 110-a second linker; 200-puncture needle; 300-handle structure; 301-body; 310-channel; 311-first openings; 312-a second opening; 320-first joint; 321-a pair of interfaces; 322-internal thread segments; 330-notch; 302-a pusher; 340-a driving part; 350-a sliding part; 360-pushing part; 303-a locator; 304-wires.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The embodiment of the invention provides a positioning structure 001 which is at least used for accurately positioning a focus position before operation.
Referring to fig. 1, fig. 2, and fig. 3, fig. 1 is a schematic structural diagram of a positioning structure 001 according to an embodiment of the present invention; FIG. 2 is a schematic view of a puncture needle 200 and a needle sheath 100 according to an embodiment of the present invention; fig. 3 is a partial enlarged view of a in fig. 2. The positioning structure 001 provided by the embodiment of the invention comprises a needle sleeve 100 and a handle structure 300; the handle structure 300 is provided with a first connector 320 and the needle hub 100 is provided with a second connector 110 detachably connected to the first connector 320. Optionally: referring to fig. 3, the positioning structure 001 further includes a puncture needle 200, and the puncture needle 200 is movably disposed in the needle sheath 100. Optionally: with prior art biopsy needles, the biopsy needle includes a needle 200 and a needle sheath 100. Correspondingly, the second connector 110 is a luer connector on the needle sleeve 100 of the biopsy needle, and the first connector 320 is a structure capable of being detachably connected with the luer connector.
Embodiments of the present invention provide a handle structure 300 for at least delivering a positioner 303 with a guidewire 304 attached thereto into the needle hub 100 and to a lesion site.
Referring to fig. 4, fig. 4 is a schematic diagram illustrating an internal structure of a handle structure 300 according to an embodiment of the invention. Embodiments of the present invention provide a handle structure 300 comprising: the body 301, the body 301 having a channel 310 for receiving the retainer 303 and a first opening 311 in communication with the channel 310, the body 301 further having a first connector 320 for detachably connecting with the needle hub 100; the pushing piece 302, the pushing piece 302 includes a driving part 340 and a pushing part 360 connected, the driving part 340 is movably connected with the body 301, the pushing part 360 is disposed in the channel 310 and is used for contacting the positioning object 303 disposed in the channel 310, and the driving part 340 is used for driving the pushing part 360 to move under the action of external force so as to send the positioning object 303 disposed in the channel 310 into the needle sheath 100 connected with the first connector 320 through the first opening 311.
With continued reference to fig. 4, an embodiment of the present invention also provides a handle structure 300 for delivering a locator 303 into a needle hub 100 and through the needle hub 100 to a lesion site, comprising: the body 301, the body 301 having a channel 310 and a first opening 311 in communication with the channel 310, the body 301 further having a first connector 320 for detachable connection with the needle hub 100; the positioning object 303, the positioning object 303 is accommodated in the channel 310; a wire 304, at least part of the wire 304 is located in the channel 310, and one end of the wire 304 is connected with the positioning object 303; the pushing piece 302, the pushing piece 302 includes a driving portion 340 and a pushing portion 360 connected to each other, the driving portion 340 is movably connected to the body 301, the pushing portion 360 is disposed in the channel 310 and contacts with the positioning object 303 disposed in the channel 310, and the driving portion 340 is used for driving the pushing portion 360 to move under the action of an external force, so as to send the positioning object 303 disposed in the channel 310 into the needle sheath 100 connected to the first connector 320 through the first opening 311.
With reference to fig. 1,2, 3 and 4. The puncture needle 200 sleeved with the needle sleeve 100 is inserted into the central position of a focus of a patient under the guidance of medical images such as ultrasound, CT (Computed Tomography) and the like; the puncture needle 200 is withdrawn, at this time, only one end of the needle sheath 100 remains in the patient; then, the first connector 320 on the body 301 is abutted with the second connector 110 of the needle sleeve 100, the pushing piece 302 is connected with the body 301, the driving part 340 is pushed by external force, the driving part 340 drives the pushing part 360 to move, and the positioning object 303 in the channel 310 is sent into the needle sleeve 100 through the first opening 311 and pushed out of the needle sleeve 100, so that the positioning object 303 enters the focus central position. One end of the lead 304 is connected with the locator 303, and both the lead and the locator 303 are positioned in the focus position, and the other end of the lead 304 is positioned outside the patient, so that the focus position can be conveniently found under the guidance of the lead 304.
With continued reference to fig. 4, the number of first openings 311 is at least one, at least for pushing the fixture 303 disposed within the channel 310 from the first openings 311 into the needle hub 100 and through the needle hub 100 to the lesion site when the pushing member 360 is active.
One end of the guide wire 304 is connected to the positioning object 303, and the other end is located outside the patient body after the positioning object 303 is introduced into the lesion position and the needle sheath 100 is withdrawn from the lesion position. For example, one end of the wire 304 is connected to the positioning object 303, and the other end of the wire 304 may be disposed outside the body 301, or may be connected to the pushing portion 360 or connected to the body 301 (the body 301 includes a channel inner wall and a body outer wall, and thus, the other end of the wire 304 may pass through the channel 310 to the outside and then be connected to the body 301 outer wall, or may be directly connected to the channel 310 inner wall).
Optionally: one end of the wire 304 is connected to the fixture 303, and the other end of the wire 304 is connected to the pushing part 360 or to the body 301. In specific use, after the positioner 303 is pushed into the focus position, the first connector 320 and the second connector 110 are disassembled, the lead 304 is cut off, the needle sleeve 100 is withdrawn, and after the completion, one end of the lead 304 is placed in the focus position along with the positioner 303, and the other end is positioned outside the patient.
Optionally: with continued reference to fig. 4, the body 301 further has a second opening 312 in communication with the channel 310, the first opening 311 and the second opening 312 being respectively located at two ends of the body 301, the first opening 311 being used for feeding the positioning object 303 located in the channel 310 into the needle sheath 100, and the second opening 312 being used for letting out the wire 304 connected to the positioning object 303. One end of the lead 304, which is not connected to the positioner 303, passes through the channel 310 and out of the second opening 312, the first connector 320 and the second connector 110 are detached, the body 301 is pulled away from the lead 304, and the end of the lead 304, which is not connected to the positioner 303, is located outside the patient body, so that the focus position can be found conveniently.
Optionally: with continued reference to fig. 4, a first opening 311 is located on the first connector 320, the first opening 311 being configured to communicate with the needle hub 100 when the first connector 320 is secured to the needle hub 100. Alternatively, the positions of the first connector 320 and the first opening 311 may be different, so that the first opening 311 is in communication with the needle sheath 100 after the first connector 320 is docked with the second connector 110. For example, the first connector 320 is a butt joint structure sleeved outside the body 301, and the second connector 110 is sleeved on the periphery of the body 301 and detachably connected with the first connector 320.
Alternatively, referring to fig. 4 in combination with fig. 1, using a biopsy needle, a first connector 320 has a mating port 321 for mating with a luer connector and an internally threaded section 322 formed on the inner wall of the mating port 321. Optionally: the opposite port 321 is an annular structure disposed around the outer periphery of the first opening 311. Optionally: the tapered structure of the counter port 321 can enhance the sealing between the luer connector and the first connector 320.
Optionally: with continued reference to fig. 4, in combination with fig. 5, fig. 5 is a schematic view of the external structure of the handle structure 300 according to an embodiment of the present invention. The body 301 is provided with a notch 330, and the notch 330 is communicated with the channel 310 and the outside of the body 301; the pushing member 302 further includes a sliding portion 350 connected between the driving portion 340 and the pushing portion 360, the sliding portion 350 is slidably disposed in the notch 330, and the driving portion 340 is located outside the body 301. Alternatively, the extending direction of the notch 330 is the same as that of the channel 310, and the driving portion 340 drives the pushing portion 360 to reciprocate in the channel 310 through the sliding portion 350. Optionally, the outer surface of the driving portion 340 is provided with friction lines, which helps to increase the friction between the driving portion 340 and the palm of the operator, so as to facilitate external application of force. Optionally: the pushing portion 360 is rod-shaped, and the pushing portion 360 is in clearance fit with the channel 310. The outer diameter of the pushing portion 360 is close to the inner diameter of the passage 310, so that the positioner 303 can be pushed to move relatively easily.
Optionally, with continued reference to fig. 5, the outer wall of the body 301 is a cambered surface to better fit with the palm, and operation is more convenient. Alternatively, the body 301 has a small diameter at both ends and a large diameter in the middle, and the cambered surfaces are in streamline distribution. Optionally, a plurality of spaces are provided in the body 301, so that the overall weight of the body 301 can be at least reduced, and the operation is easier to be performed by one hand.
Alternatively, referring to fig. 6, fig. 6 is a schematic structural diagram of a positioning object 303 provided in an embodiment of the present invention being introduced into a focal position, and referring to fig. 4, the positioning object 303 is a spring coil, and an extension direction of the spring coil disposed in a channel 310 is the same as an extension direction of the channel 310. The spring ring is in a ring-shaped structure in a natural state, the spring ring arranged in the channel 310 is in a strip shape, and the spring ring after the channel 310 is pushed out to enter the focus position is restored to the ring-shaped structure in the natural state.
The handle structure 300 and the positioning structure 001 provided by the embodiment of the invention refer to fig. 4, for example, the coil wire diameter is 0.1mm, the coil is made of medical metal material nickel-titanium alloy, after heat treatment, the coil has higher strength and better toughness, the coil is spiral in a free state, 3 coils are preset in the channel 310 in a straightened state before use, and the coil outer diameter is 1.2mm and the length is 11mm in the straightened state. For example, the wire 304 may be a catgut with a wire diameter of 0.5mm and a length of greater than 150mm. For example, the channel 310 is a metal tube made of medical grade metal material stainless steel having an inner diameter of 1.3mm and being easily passed through the channel 310 in the straightened state of the coil, and the length of the channel 310 is greater than the length of the coil in the straightened state, e.g. 40 mm. For example, the body 301 is assembled by in-mold injection molding, hot melting, gluing, etc., and the body 301 is made of medical plastic materials such as polypropylene (PP), polyethylene (PE), etc., and the front part of the body is designed with a conical butt joint 321 and an internal thread section 322. For example, the pushing part 360 is made of medical metal material stainless steel, the main wire diameter is smaller than the inner diameter of the channel 310, for example, 0.8mm, the driving part 340 is made of stainless steel material, and the driving part 340, the sliding part 350 and the pushing part 360 are welded into a whole.
In summary, with reference to fig. 1 to 6, the embodiment of the present invention provides a handle structure 300 and a positioning structure 001, which are specific to clinical operation procedures, for example: under the guidance of medical images such as ultrasound, CT (Computed Tomography) and the like, the puncture needle 200 with the needle sleeve 100 is inserted to the central position of a focus of a patient; the puncture needle 200 is withdrawn, and at this time, only one end of the needle sheath 100 remains in the patient; the butt joint 321 and the internal thread section 322 of the handle structure 300 are in butt joint screwing with the luer joint at the tail end of the needle sleeve 100; the clinician advances the driver 340 to deliver the coil disposed in the channel 310 into the needle hub 100; continuing to push the driving part 340 forward slowly, completely pushing out the spring ring in a straightened state in the needle sheath 100 from the needle sheath 100; the coil is naturally curled into a spiral shape after being pushed out of the needle sleeve 100, at the moment, the spiral coil is embedded into the central position of the focus, and the other end of the lead 304 bound with the spiral coil is positioned outside the patient; the needle sheath 100 is pulled out of the patient and ready for surgery, and the lesion location can be found conveniently under the guidance of the guide wire 304.
The embodiment of the invention provides a handle structure 300 and a positioning structure 001, which have at least the following advantages: the body 301, the pushing piece 302, the positioning object 303 and the lead 304 can be integrally designed, the operation of feeding the positioning object 303 into the needle sleeve 100 can be completed by one hand in the operation, the operation time can be obviously shortened, and the operation risk can be reduced. After the locating object 303 is placed in the focus, the locating object 303 is located along the lead 304, so that the risk of misjudgment is avoided, the accuracy is high, the operation time is short, and the success rate of the operation is high. The biopsy needle is adopted, so that the focus positioning at different depths and different positions can be satisfied. After the biopsy needle punctures the focus position, the puncture needle 200 is pulled out, the handle structure 300 is fixed with the needle sleeve 100, the positioning object 303 can be pushed into the focus position, the tissue extraction can be completed by single needle insertion, the positioning object 303 is placed, and the like, so that the infection risk is reduced.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. A handle structure for feeding a positioning object into a needle sheath, comprising:
The body is provided with a channel for accommodating the positioning object and a first opening communicated with the channel, and is also provided with a first connector for detachably connecting with the needle sleeve; the pushing piece comprises a driving part and a pushing part which are connected, the driving part is movably connected with the body, the pushing part is arranged in the channel and is used for contacting the positioning object positioned in the channel, and the driving part is used for driving the pushing part to move under the action of external force so as to send the positioning object positioned in the channel into the needle sleeve connected with the first connector through the first opening;
The body is provided with a notch which is communicated with the channel and the outside of the body; the pushing piece further comprises a sliding part connected between the driving part and the pushing part, the sliding part is arranged in the notch in a sliding way, and the driving part is positioned outside the body;
The pushing part is in a rod shape and is in clearance fit with the channel;
The first opening is positioned on the first connector and is used for being communicated with the needle sleeve when the first connector is fixed with the needle sleeve.
2. A handle structure for feeding a positioning object into a needle sheath, comprising:
The needle sleeve comprises a body, a positioning object, a wire and a pushing piece, wherein the body is provided with a channel and a first opening communicated with the channel, and the body is also provided with a first connector used for being detachably connected with the needle sleeve; the positioning object is accommodated in the channel; at least part of the wire is positioned in the channel, and one end of the wire is connected with the positioning object; the pushing piece comprises a driving part and a pushing part which are connected, the driving part is movably connected with the body, the pushing part is arranged in the channel and is in contact with the positioning object positioned in the channel, and the driving part is used for driving the pushing part to move under the action of external force so as to send the positioning object positioned in the channel into the needle sleeve connected with the first connector through the first opening;
The first opening is positioned on the first connector and is used for being communicated with the needle sleeve when the first connector is fixed with the needle sleeve;
The body is also provided with a second opening communicated with the channel, the first opening and the second opening are respectively positioned at two ends of the body, the first opening is used for enabling the positioning object positioned in the channel to be sent into the needle sleeve, and the lead penetrates out of the second opening;
one end of the wire is connected with the positioning object, and the other end of the wire is connected with the pushing part or the body.
3. A positioning structure, characterized in that:
the positioning structure comprises a needle sleeve and the handle structure of claim 1 or 2;
the needle sheath is provided with a second connector detachably connected with the first connector.
4. A positioning structure as claimed in claim 3, wherein:
the positioning structure further comprises a puncture needle, and the puncture needle is movably arranged in the needle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872145.3A CN110464480B (en) | 2019-09-16 | 2019-09-16 | Handle structure and positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872145.3A CN110464480B (en) | 2019-09-16 | 2019-09-16 | Handle structure and positioning structure |
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| Publication Number | Publication Date |
|---|---|
| CN110464480A CN110464480A (en) | 2019-11-19 |
| CN110464480B true CN110464480B (en) | 2024-10-01 |
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| CN201910872145.3A Active CN110464480B (en) | 2019-09-16 | 2019-09-16 | Handle structure and positioning structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855264A (en) * | 2021-10-11 | 2021-12-31 | 湖南省拓川医疗科技有限公司 | Puncture location delivery device and puncture positioner |
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| US9867665B2 (en) * | 2013-09-06 | 2018-01-16 | Covidien Lp | Microwave ablation catheter, handle, and system |
| US10363407B2 (en) * | 2014-06-16 | 2019-07-30 | Cook Medical Technologies Llc | Plunger-driven collet handle and system for fiducial deployment |
| CN105581846A (en) * | 2015-12-29 | 2016-05-18 | 江苏芸迪医疗科技发展有限公司 | Operation positioning needle |
| CN207837618U (en) * | 2017-09-12 | 2018-09-11 | 扬州灵涛医疗科技有限公司 | Location of operation needle |
| CN208822837U (en) * | 2017-10-19 | 2019-05-07 | 广州索虑医疗科技有限公司 | Planing device and planing system |
| CN108143620B (en) * | 2018-01-10 | 2020-02-07 | 常红 | Acupuncture needle propeller with rotating base |
| CN109431619A (en) * | 2018-12-10 | 2019-03-08 | 邱建星 | Marking apparatus in operation |
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