CN114191054A - Puncture needle clamp and puncture robot - Google Patents
Puncture needle clamp and puncture robot Download PDFInfo
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- CN114191054A CN114191054A CN202210141129.9A CN202210141129A CN114191054A CN 114191054 A CN114191054 A CN 114191054A CN 202210141129 A CN202210141129 A CN 202210141129A CN 114191054 A CN114191054 A CN 114191054A
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- puncture needle
- clamp
- puncture
- lock pin
- head
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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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/30—Surgical robots
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- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Robotics (AREA)
- Pathology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the field of puncture medical instruments, and discloses a puncture needle clamp and a puncture robot, wherein the puncture needle clamp comprises: the clamp comprises a base (1), a first clamp head (2), a second clamp head (3) and a locking piece (4), wherein one side of the base is used for connecting a connecting rod (0), and the other side of the base is provided with a rotating shaft (5) for sleeving the first clamp head and the second clamp head; the locking piece comprises a lock pin (401) and a lock catch (402) arranged on the first tong head and the second tong head, the lock pin is rotatably arranged on the base, and when the lock catch is locked on the lock pin, a jaw formed by the first tong head and the second tong head is in a closed state for clamping a puncture needle (10). The invention solves the problem that the prior puncture clamp can not be safely and quickly recovered after puncture of a puncture needle is finished because the puncture clamp is influenced by various factors such as body positions, puncture needle limiting devices and the like in the prior art.
Description
Technical Field
The invention relates to the technical field of puncture medical instruments, in particular to a puncture needle clamp and a puncture robot.
Background
At present, adopt the supplementary puncture in-process of robot clinically, puncture anchor clamps can receive multiple factors influences such as position, pjncture needle stop device, lead to the pjncture needle can not safe quick recovery in anchor clamps after accomplishing the puncture, consequently need design a section end and hold needle anchor clamps and can realize the quick release of pjncture needle and terminal convenient recovery.
Disclosure of Invention
The invention mainly aims to provide a puncture needle clamp and a puncture robot, and aims to solve the problem that in the related art, the clamp cannot be safely and quickly recovered after puncture of a puncture needle is finished due to the fact that the existing puncture clamp is influenced by various factors such as body positions and a puncture needle limiting device.
In order to achieve the above object, in a first aspect, the present invention provides a puncture needle holder.
The puncture needle clamp comprises: the clamp comprises a base, a first clamp head, a second clamp head and a locking piece, wherein one side of the base is used for connecting a connecting rod, and the other side of the base is provided with a rotating shaft for sleeving the first clamp head and the second clamp head; the locking piece comprises a lock pin and a lock catch arranged on the first tong head and the second tong head, the lock pin can be rotatably arranged on the base, and when the lock catch is buckled on the lock pin, a jaw formed by the first tong head and the second tong head is in a closed state for clamping the puncture needle.
The puncture needle clamp provided by the invention has the advantages that through the arrangement of the locking piece comprising the lock catch fixed on the first tong head and the second tong head and the lock pin rotatably arranged on the base, the relative positions of the first tong head, the second tong head and the base which are connected with the first tong head and the second tong head are fixed by utilizing the fixation of the relative positions of the lock catch and the lock pin. Thereby make when the hasp lock joint on the hasp, the keeping silent that first binding clip and second binding clip formed is in and carries out the tight closed condition of clamp to the puncture needle to realize that the side direction encloses to close fixes and demolishs the puncture needle, simple structure, convenient to use, swift, thereby solved current puncture anchor clamps can receive multiple factors influences such as position, puncture needle stop device, lead to the puncture needle can not safe quick recovery problem after accomplishing the puncture.
Preferably, a puncture needle fixing groove is formed in the contact surface of the jaw, and when the jaw is in a closed state, the puncture needle fixing grooves in the first and second jaws form a limiting hole for fixing the puncture needle.
Preferably, the lock pin is of a quadrilateral long strip structure, the size of the opening of the lock catch, which is sleeved on the lock pin, is larger than the length of the narrow edge of the lock pin and smaller than the length of the wide edge of the lock pin, and after the lock catch is sleeved on the lock pin from the narrow edge through the opening of the lock catch, the lock pin is rotated to enable the wide edge of the lock catch to correspond to the opening of the lock catch, so that the positions of the lock pin and the lock catch are locked.
Preferably, the needle clamp includes a knob disposed on an end of the locking pin.
Preferably, the tail ends of the first tong head and the second tong head are provided with pressing protrusions.
Preferably, the puncture needle clamp comprises a pin shaft for connecting the first binding clip and the second binding clip, the pin shaft is sleeved on the rotating shaft of the base, and two port parts of the pin shaft are respectively provided with a limiting bulge.
Preferably, the limiting protrusion at least one end of the pin shaft is of a slotted elastic buckle structure.
Preferably, the base is provided with a mounting hole corresponding to the lock pin, and the lock pin is clamped in the mounting hole.
Preferably, the latch is disposed in the mounting hole by an elastic catch.
A second aspect of the present invention provides a puncture robot.
The puncture robot comprises a connecting rod, a puncture needle and any one of the puncture needle clamps, one side of a base of the puncture needle clamp is connected with the connecting rod, and the other side of the base of the puncture needle clamp clamps the puncture needle through a jaw formed by the first tong head and the second tong head.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention and to enable other features, objects and advantages of the invention to be more fully apparent. The drawings and their description illustrate the invention by way of example and are not intended to limit the invention. In the drawings:
FIG. 1 is a schematic illustration of an exploded view of a puncture needle holder provided in accordance with the present invention;
FIG. 2 is a schematic cross-sectional view of the jaws of FIG. 1 in a closed state;
FIG. 3 is a schematic longitudinal cross-sectional view of the jaws of FIG. 1 in a closed state;
FIG. 4 is a structural schematic view in transverse cross-section of the jaw of FIG. 1 in an open condition;
FIG. 5 is a schematic longitudinal cross-sectional view of the jaws of FIG. 1 in an open condition;
FIG. 6 is a schematic view of the general structure of the jaws of FIG. 1 in a closed state;
FIG. 7 is a schematic view of the overall structure of the jaw of FIG. 1 in an open condition.
Reference numerals
0. A connecting rod; 1. a base; 101. mounting holes; 2. a first binding clip; 3. a second binding clip; 4. a locking member; 401. a lock pin; 402. locking; 5. a rotating shaft; 6. a puncture needle fixing groove; 7. a knob; 8. pressing the protrusion; 9. a pin shaft; 10. a puncture needle.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present invention, the terms "upper", "lower", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to solve the technical problem that the existing puncture clamp can not safely and quickly recover the clamp after the puncture is finished due to the influence of various factors such as body positions, puncture needle limiting devices and the like, the applicant designs a buckling type sleeve puncture device, a sleeve and a base are connected through buckling, a puncture needle is fixed, when the buckling is released, the puncture needle and the sleeve are separated from the base, the sleeve can slide down along with the releasing of the buckling and can influence the puncture operation, so that the puncture operation is not facilitated, meanwhile, as the sleeve, the puncture needle and the base are fixed in a buckling mode, a buckling structure for buckling is opened and closed through rotating a rotating shaft, the operation space required by the structure is large, and based on the existing technical scheme, the puncture needle clamp provided by the invention can solve the problems, the device has the beneficial effects of small operation space and convenience in recovery.
As shown in fig. 1 to 7, the present invention provides a puncture needle holder, which comprises a base 1, a first binding clip 2, a second binding clip 3 and a locking element 4, wherein one side of the base 1 is used for connecting a connecting rod 0, the other side is provided with a rotating shaft 5 for sleeving the first binding clip 2 and the second binding clip 3, the locking element 4 comprises a lock pin 401 and a lock catch 402 arranged on the first binding clip 2 and the second binding clip 3, the lock pin 401 is rotatably arranged on the base 1, and when the lock catch 402 is locked on the lock pin 401, a jaw formed by the first binding clip 2 and the second binding clip 3 is in a closed state for clamping a puncture needle 10.
The puncture needle clamp provided by the invention has the advantages that through the arrangement of the locking piece comprising the lock catch fixed on the first tong head and the second tong head and the lock pin rotatably arranged on the base, the relative positions of the first tong head, the second tong head and the base which are connected with the first tong head and the second tong head are fixed by utilizing the fixation of the relative positions of the lock catch and the lock pin. Thereby make when the hasp lock joint on the hasp, the keeping silent that first binding clip and second binding clip formed is in and carries out the tight closed condition of clamp to the puncture needle to realize that the side direction encloses to close fixes and demolishs the puncture needle, simple structure, convenient to use, swift, thereby solved current puncture anchor clamps can receive multiple factors influences such as position, puncture needle stop device, lead to the puncture needle can not safe quick recovery problem after accomplishing the puncture.
In an alternative embodiment of the present invention, the contact surface of the jaws is provided with a puncture needle fixing groove 6, and when the jaws are in a closed state, the puncture needle fixing grooves 6 on the first forceps head 2 and the second forceps head 3 form a limiting hole for fixing the puncture needle 10, so as to fix the puncture position of the puncture needle 10. In a further alternative embodiment of the invention, puncture needle fixing grooves 6 with different sizes are correspondingly arranged on the contact surface of the jaw of the first binding clip 2 and the contact surface of the jaw of the second binding clip 3 so as to be suitable for fixing puncture needles with different sizes.
In an alternative embodiment of the present invention, the lock pin 401 is a rectangular strip structure, the lock catch 402 is used for being sleeved on the lock pin 401, the size of the opening of the lock catch 402 is larger than the length of the narrow side of the lock pin 401 and smaller than the length of the wide side of the lock pin 401, after the lock catch 402 is sleeved on the lock pin 401 from the narrow side through the opening of the lock catch 402, the lock pin 401 is rotated to enable the wide section of the lock pin 401 to correspond to the opening of the lock catch 402, so as to lock the positions of the lock pin 401 and the lock catch 402. It should be noted that the four sides of the lock pin 401 may be straight or arc. In a further optional embodiment of the present invention, in order to improve the matching degree between the lock pin 401 and the lock catch 402 and the structural stability during the sleeving, the lock catch 402 is a circular ring structure with an opening on a side wall, the lock pin 401 is a cylindrical structure with cross sections on opposite sides, wherein an outer diameter of the cylindrical structure of the lock pin 401 is fitted to an inner diameter of the lock catch 402, a distance between two cross sections of the lock pin 401 is not greater than an opening size of the side wall of the lock catch 402, and a cylindrical diameter of the lock pin 401 is not less than the opening size of the side wall of the lock catch 402, so as to ensure that the lock catch 402 can be sleeved on the lock pin 401 through the opening on the side wall thereof, and the lock pin 401 can fix the position of the lock catch 402 by rotating, so that the lock catch 402 is sleeved on the lock pin 401.
In an alternative embodiment of the invention, the needle holder includes a knob 7 disposed at the upper end of the locking pin 401, the knob 7 being disposed to facilitate rotation of the locking pin 401. Further alternatively, the knob 7 and the lock pin 401 may be integrally injection molded, or the knob 7 may be detachably mounted on the lock pin 401.
In an alternative embodiment of the present invention, in order to control the relative position of the first binding clip 2 and the second binding clip 3 and prevent the first binding clip 2 and the second binding clip 3 from rotating around the rotating shaft 5 when the locking element 4 is in the unlocked state, i.e. the jaws are in the open state, a pressing protrusion 8 is provided at the tail end of the first binding clip 2 and the second binding clip 3, preferably, the pressing protrusion 8 protrudes in a direction away from the axis of the base 1, so that the pressing protrusions 8 of the first binding clip 2 and the second binding clip 3 can be simultaneously pressed/pushed inwards to effectively control the opening and closing of the jaws.
In an alternative embodiment of the invention, the puncture needle clamp comprises a pin shaft 9 for connecting the first binding clip 2 and the second binding clip 3, the pin shaft 9 is sleeved on the rotating shaft 5 of the base 1, and two ports of the pin shaft 9 are respectively provided with a limiting bulge so as to prevent the first binding clip 2 and the second binding clip 3 from being separated from each other in the use process. In a further alternative embodiment of the present invention, the limiting protrusion at least one end of the pin 9 is a slotted elastic snap structure, and the structure is configured to facilitate the dismounting of the first binding clip 2 and the second binding clip 3, the installation of the fixed jaw, and the replacement of related parts. In the preferred embodiment of the present invention, one end of the pin 9 is a protrusion protruding from the radial outward edge, and the other end is a slotted elastic snap structure for facilitating the position fixing and installation of the first binding clip 2 and the second binding clip 3. The arrangement of the slotted elastic buckle structure can buffer and disperse the whole stress of the puncture needle clamp in the process of closing and opening the jaw, thereby improving the stability of the whole structure.
In an optional embodiment of the invention, the base 1 is provided with a mounting hole 101 corresponding to the lock pin 401, and the lock pin 401 is clamped in the mounting hole 101, in a further optional embodiment, the lock pin 401 is arranged in the mounting hole 101 through an elastic buckle, and the lock pin 401 is clamped with the base 1 through the elastic buckle, so that the forceps heads of different models can be conveniently replaced according to different use requirements, so as to be used for puncturing puncture needles of different specifications, and the replacement is convenient and rapid.
The puncture needle clamp provided by the invention solves the problem that the needle holding clamp cannot be quickly recovered after puncture is finished in clinic. In addition, the puncture needle clamp provided by the invention only needs to replace the combination parts of the forceps heads (the first forceps head 2 and the second forceps head 3), the pin shaft 9 and the lock pin 401 aiming at puncture needles of different models, does not need to integrally disassemble and assemble the puncture clamp, is convenient and quick to use, and saves puncture time.
The invention provides a puncture robot which comprises a connecting rod 0, a puncture needle 10 and any one of the puncture needle clamps, wherein one side of a base 1 of the puncture needle clamp is connected with the connecting rod 0, and the other end of the base is used for clamping the puncture needle 10 through a jaw formed by a first tong head 2 and a second tong head 3.
In a specific use process, when the knob 7 drives the lock pin 401 to be in a horizontal position shown in fig. 2 and 3, a jaw formed by the first forceps head 2 and the second forceps head 3 cannot be opened, and the jaw is in a locking state, so that the puncture work can be performed;
when the puncture needle clamp needs to be withdrawn after the puncture is completed, as shown in fig. 4, the knob 7 is firstly rotated from the horizontal state to the vertical state to release the locking of the lock pin 401 to the lock catches 402 of the first binding clip 2 and the second binding clip 3, the pressing protrusions 8 at the tail parts of the first binding clip 2 and the second binding clip 3 are pressed to open the jaws, at this time, the lock pin 401 is disengaged from the openings of the lock catches 402 of the first binding clip 2 and the second binding clip 3, and the jaws are completely opened. The end clamp is completely separated from the needle as shown in fig. 5, and then the drive link 0 completes the retraction of the needle clamp.
The puncture needle clamp is provided with a locking piece which comprises a lock catch fixed on a first tong head and a second tong head and a lock pin rotatably arranged on a base, and the relative positions of the first tong head, the second tong head and the base which are connected with the first tong head, the second tong head and the base are fixed by fixing the relative positions of the lock catch and the lock pin. Thereby make when the hasp lock joint on the hasp, the keeping silent that first binding clip and second binding clip formed is in and carries out the tight closed condition of clamp to the puncture needle to realize that the side direction encloses to close fixes and demolishs the puncture needle, simple structure, convenient to use, swift, thereby solved current puncture anchor clamps can receive multiple factors influences such as position, puncture needle stop device, lead to the puncture needle can not safe quick recovery problem after accomplishing the puncture.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A puncture needle holder, comprising: the clamp comprises a base (1), a first clamp head (2), a second clamp head (3) and a locking piece (4), wherein one side of the base (1) is used for being connected with a connecting rod (0), and the other side of the base is provided with a rotating shaft (5) which is used for being sleeved with the first clamp head (2) and the second clamp head (3); the locking piece (4) comprises a lock pin (401) and a lock catch (402) arranged on the first tong head (2) and the second tong head (3), the lock pin (401) is rotatably arranged on the base (1), and when the lock catch (402) is buckled on the lock pin (401), a jaw formed by the first tong head (2) and the second tong head (3) is in a closed state for clamping the puncture needle (10).
2. The puncture needle holder according to claim 1, wherein a puncture needle fixing groove (6) is provided on the contact surface of the jaws, and when the jaws are in a closed state, the puncture needle fixing grooves (6) on the first jaw (2) and the second jaw (3) form a limiting hole for fixing the puncture needle (10).
3. The puncture needle holder according to claim 1, wherein the lock pin (401) has a quadrangular strip-shaped structure, the latch (402) has an opening for fitting the lock pin (401) and has a size larger than the length of the narrow side of the lock pin (401) and smaller than the length of the wide side of the lock pin (401), and after the latch (402) is fitted over the lock pin (401) from the narrow side through the opening thereof, the lock pin (401) is rotated to have the wide side thereof corresponding to the opening of the latch (402) to lock the positions of the lock pin (401) and the latch (402).
4. A puncture needle holder according to claim 3, characterized in that it comprises a knob (7) arranged at the upper end of the locking pin (401).
5. The puncture needle holder according to claim 1, wherein the first jaw (2) and the second jaw (3) are provided at their rear ends with pressing protrusions (8).
6. The puncture needle clamp according to claim 1, wherein the puncture needle clamp comprises a pin shaft (9) for connecting the first binding clip (2) and the second binding clip (3), the pin shaft (9) is sleeved on the rotating shaft (5) of the base (1), and both ports of the pin shaft (9) are provided with limiting protrusions.
7. The puncture needle holder according to claim 6, wherein the stopper protrusion of at least one end of the pin (9) is a slotted elastic snap structure.
8. The puncture needle holder according to any one of claims 1 to 7, wherein the base (1) is provided with a mounting hole (101) corresponding to the lock pin (401), and the lock pin (401) is snapped into the mounting hole (101).
9. The needle clamp of claim 8, wherein the locking pin (401) is disposed in the mounting hole (101) by a resilient snap.
10. A puncture robot, characterized in that the puncture robot comprises a connecting rod (0), a puncture needle (10) and the puncture needle clamp of any one of claims 1 to 9, wherein one side of the base (1) of the puncture needle clamp is connected with the connecting rod (0), and the other side clamps the puncture needle (10) through a jaw formed by the first forceps head (2) and the second forceps head (3).
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CN202210141129.9A CN114191054B (en) | 2022-02-16 | 2022-02-16 | Puncture needle clamp and puncture robot |
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CN114191054B CN114191054B (en) | 2022-05-13 |
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Cited By (1)
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Address after: Room 806, Research Headquarters Building, Guangdong Macao Cooperative Traditional Chinese Medicine Technology Industrial Park, No. 1 Doukou Road, Hengqin New District, Zhuhai City, Guangdong Province, 519031 Patentee after: True Health (Guangdong Hengqin) Medical Technology Co.,Ltd. Address before: 100192 Room 308, floor 3, building 2, Tiandi Linfeng, No. 1, yongtaizhuang North Road, Haidian District, Beijing Patentee before: ZHENJIANKANG (BEIJING) MEDICAL TECHNOLOGY Co.,Ltd. |