CN218128738U - Auxiliary needle inserting device - Google Patents
Auxiliary needle inserting device Download PDFInfo
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- CN218128738U CN218128738U CN202221342002.5U CN202221342002U CN218128738U CN 218128738 U CN218128738 U CN 218128738U CN 202221342002 U CN202221342002 U CN 202221342002U CN 218128738 U CN218128738 U CN 218128738U
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Abstract
The utility model relates to the technical field of medical instrument auxiliary equipment, in particular to auxiliary needle inserting device. The utility model discloses an auxiliary needle inserting device, which comprises a base, a supporting frame, a positioning component and an electrode needle guiding component, wherein the base comprises a fixed end and a movable end; the supporting frame is rotatably arranged at the movable end, and the positioning assembly is movably arranged on the supporting frame along a first direction; the electrode needle guide assembly comprises an electrode needle mounting part for mounting an electrode needle, and the electrode needle guide assembly is movably mounted on the positioning assembly along a second direction, and the second direction is crossed with the first direction. The utility model discloses technical scheme can effectively guarantee to insert human focus tissue in parallel each other between two or a plurality of electrode needles through adopting supplementary needle feed device, is favorable to two or a plurality of electrode needles to form effective electric field at the tumour position.
Description
Technical Field
The utility model relates to the technical field of medical instrument auxiliary equipment, in particular to auxiliary needle inserting device.
Background
The irreversible electroporation technology is characterized in that an electrode needle is inserted into a diseased part of a patient, a plurality of nanoscale irreversible pore passages are formed on the surface of a cell membrane by releasing high-voltage electric pulses, the cell homeostasis is destroyed, the cell apoptosis is promoted, cell fragments after the cell apoptosis can be phagocytized by phagocytes in vivo, and meanwhile, the immune reaction of an organism occurs, so that the effect of controlling the tumor is achieved. The non-heat-production ablation technology has the advantages that the ablation area is clear in boundary, important tissue structures of nerves, great vessels, ureters, bronchus, large bile ducts, gastrointestinal walls and the like of an ablated area can be reserved, the ablation is not affected by heat or cold elimination of blood flow, the ablation time is short, and the like. The technology makes up the technical defects of radio frequency, microwave and cryoablation.
The electrode needle for percutaneous puncture ablation is often used in the clinical ablation operation process, the ablation working part at the front part of the electrode needle punctures into the focal tissue of the human body, the back part is still exposed outside the human body, and the electrode needle has the following problems in the clinical process: in the treatment occasion, two or more electrode needles are required to be kept parallel in the whole discharging process, so that an effective electric field can be formed at the tumor part by the two or more electrode needles, but in the actual operation process, because no auxiliary device can keep the two or more electrode needles to be inserted in parallel, the two or more electrode needles are difficult to keep good parallelism, and an auxiliary needle inserting device is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing an auxiliary needle inserting device, aiming at solving the problem that no auxiliary device in the prior art can ensure that the electrode needles are mutually parallel to be inserted into the focus of a patient and keep the parallelism.
In order to achieve the above object, the utility model provides an auxiliary needle inserting device, include: the base comprises a fixed end and a movable end; the supporting frame is rotatably arranged at the movable end, and the positioning component is movably arranged on the supporting frame along a first direction; the electrode needle guide assembly comprises an electrode needle mounting part for mounting an electrode needle, and the electrode needle guide assembly is movably mounted on the positioning assembly along a second direction, and the second direction is crossed with the first direction.
In some embodiments of the present invention, the base includes a first supporting structure and a second supporting structure, the first supporting structure is disposed along a vertical direction, the second supporting structure is disposed along a horizontal direction, one end of the first supporting structure is used for fixing, one end of the second supporting structure is movably mounted on the first supporting structure, and the other end is the movable end.
In some embodiments of the invention, the support frame is connected to the second support structure by a rotation structure, the support frame having a degree of freedom of rotation about the second support structure length direction axis.
In some embodiments of the present invention, the second supporting structure deviates from one end of the supporting frame and has a ring structure, the inner diameter of the ring structure matches with the outer diameter of the first supporting structure, the ring structure deviates from one end of the supporting frame and is provided with a threaded through hole, the axis of the threaded through hole is parallel to the length direction of the second supporting structure, and the threaded through hole is used for the detachable connection member to run through and fix the position of the second supporting structure relative to the first supporting structure.
In some embodiments of the present invention, the positioning assembly includes a positioning bar extending along the second direction and first buckles rotatably disposed at two ends of the positioning bar, and the outer edge of the supporting frame is provided with a first clamping groove; the first buckle is buckled with the first clamping groove in a first state, so that the positioning assembly is fixed relative to the supporting frame; the first buckle is separated from the first clamping groove in a second state, so that the positioning assembly can move relative to the supporting frame.
In some embodiments of the present invention, the positioning bar has a hollow portion extending along the second direction, the electrode needle mounting portion has a through hole for the electrode needle to penetrate, and the position of the through hole corresponds to the position of the hollow portion.
In some embodiments of the present invention, the first buckle includes a first protruding portion, and the first protruding portion deviates from a protruding arrangement of a joint of the first buckle and the positioning strip.
In some embodiments of the present invention, the electrode needle guiding assembly further includes a second buckle rotatably disposed at two ends of the electrode needle mounting portion, and a second clamping groove is disposed at an outer edge of the positioning assembly; the second buckle is buckled with the second clamping groove in a first state, so that the electrode needle guide assembly is fixed relative to the positioning assembly; the second buckle is separated from the second clamping groove in a second state, so that the electrode needle guide assembly can move relative to the positioning assembly.
In some embodiments of the present invention, the second buckle includes a second protrusion, and the second protrusion deviates from the protruding arrangement of the joint of the second buckle and the electrode needle guiding component.
In some embodiments of the utility model, be provided with a plurality ofly on the braced frame locating component, locating component is last to be provided with a plurality of electrode needle direction subassembly.
In some embodiments of the present invention, the electrode needle mounting portion has an inner cavity capable of being closely attached to the electrode needle to mount and guide the electrode needle.
The technical scheme of the utility model can effectively guarantee that mutual parallel inserts human focus tissue between two or a plurality of electrode needles through adopting supplementary needle inserting device, be favorable to two or a plurality of electrode needles to form effective electric field at the tumour position.
In some optional embodiments, the base includes a first supporting structure and a second supporting structure, the first supporting structure is disposed along a vertical direction, the second supporting structure is disposed along a horizontal direction, one end of the first supporting structure is a fixed end for fixing, one end of the second supporting structure is movably mounted on the first supporting structure, and the other end of the second supporting structure is a movable end. The first support structure and the second support structure are arranged to enable the support frame to move in multiple degrees of freedom in three-dimensional space. Meanwhile, the auxiliary needle inserting device is ensured to be fixed in a three-dimensional space.
In some alternative embodiments, the support frame is connected to the second support structure by a rotational structure, the support frame having a degree of freedom of rotation about a lengthwise axis of the second support structure. When the electrode needle guiding assembly is applied to the electrode needle fixing device, the height of the second supporting structure relative to the ground and the angle of the supporting frame can be adjusted, so that the electrode needle guiding assembly can adapt to the fixing requirements of multi-direction and multi-angle electrode needles.
In some optional embodiments, a plurality of positioning assemblies are disposed on the support frame, and a plurality of electrode needle guide assemblies are disposed on the positioning assemblies. Make the utility model discloses an auxiliary needle inserting device can use two or a plurality of electrode needles to insert simultaneously, compares in the fixing device that only can fix an electrode needle, and is more practical, and performance is stronger.
In some alternative embodiments, the electrode needle mounting part has an inner cavity capable of closely fitting the electrode needle to mount and guide the electrode needle, and the inner cavity is closely matched with the electrode needle so that the electrode needle moves along the direction defined by the inner cavity and does not fall off along with the movement or rotation of the electrode needle mounting part.
In some optional embodiments, the positioning assembly comprises a positioning strip extending along the second direction and first buckles rotatably arranged at two ends of the positioning strip, and the outer edge of the support frame is provided with a first clamping groove; the first buckle is buckled with the first clamping groove in a first state, so that the positioning assembly is fixed relative to the supporting frame; the first buckle is separated from the first clamping groove in the second state, so that the positioning assembly can move relative to the supporting frame. According to the utility model discloses supplementary needle inserting device, buckle and draw-in groove cooperation set up so that for braced frame's position and interval and extending direction through adjustment locating component, change electrode needle's interval and direction to adjust electrode needle's arranging in a flexible way according to patient's focus, adapt to the fixed requirement of electrode needle multi-direction, multi-angle, and can guarantee many electrode needle parallel insert, mobility and flexibility are higher.
In some optional embodiments, the electrode needle guide assembly further comprises second buckles rotatably arranged at two ends of the electrode needle mounting part, and the outer edge of the positioning assembly is provided with a second clamping groove; the second buckle is buckled with the second clamping groove in a first state, so that the electrode needle guide assembly is fixed relative to the positioning assembly; the second buckle is separated from the second clamping groove in a second state, so that the electrode needle guide assembly can move relative to the positioning assembly. According to the supplementary needle inserting device of this embodiment, buckle and draw-in groove cooperation set up so that through adjusting electrode needle direction subassembly for the position and interval and the extending direction of locating component, change the interval and the direction of electrode needle to adjust electrode needle's arranging in a flexible way according to patient's focus, adapt to the fixed requirement of multi-direction, multi-angle electrode needle, and can guarantee that many electrode needles parallel insert, mobility and flexibility are higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an auxiliary needle insertion device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a supporting frame according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a second support structure in an embodiment of the invention;
FIG. 4 is a front view of a support frame according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a positioning assembly according to an embodiment of the present invention;
fig. 6 is a cross-sectional view of an electrode needle guide assembly according to an embodiment of the present invention.
The reference numbers illustrate:
100-base, 100 a-fixed end, 100 b-movable end, 110-first support structure, 111-vertical rod, 112-base, 120-second support structure, 121-horizontal rod, 122-annular structure, 1221-threaded through hole, 130-rotary structure; 200-support frame, 210-first card slot; 300-a positioning component, 310-a positioning strip, 311-a hollow part, 312 a second clamping groove, 320-a first buckle, 321-a first protrusion; 400-electrode needle guide component, 410-electrode needle installation part, 411-inner cavity, 420-second buckle, 421-second bulge; 500-Detachable attachment.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope of the present invention.
The utility model provides an auxiliary needle inserting device, include: the base comprises a fixed end and a movable end; the supporting frame is rotatably arranged at the movable end, and the positioning component is movably arranged on the supporting frame along a first direction; electrode needle guide assembly is used for installing the electrode needle including the electrode needle installation department, and electrode needle guide assembly is movably installed in locating component along the second direction, and the second direction is alternately with first direction. The utility model provides an auxiliary needle inserting device is used for supplementary fixed mounting electrode needle, and the spatial position of adjustment electrode needle is in order to guarantee that mutual parallel inserts human focus tissue between two or a plurality of electrode needles, is favorable to two or a plurality of electrode needles to form effective electric field at tumour position.
Referring to fig. 1 to 6, fig. 1 is a schematic structural view of an auxiliary needle insertion device according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a supporting frame according to an embodiment of the present invention; fig. 3 is a schematic structural diagram of a second supporting structure according to an embodiment of the present invention; FIG. 4 is a front view of a support frame according to an embodiment of the present invention; fig. 5 is a schematic structural diagram of a positioning assembly according to an embodiment of the present invention; fig. 6 is a schematic structural view of an electrode needle guide assembly according to an embodiment of the present invention.
In the embodiment of the present invention, the auxiliary needle inserting device is shown in fig. 1, and includes: the electrode needle guide assembly comprises a base 100, a supporting frame 200, a positioning assembly 300 and an electrode needle guide assembly 400, wherein the base 100 comprises a fixed end 100a and a movable end 100b, the supporting frame 200 is rotatably arranged at the movable end 100b, the positioning assembly 300 is movably arranged at the supporting frame 200 along a first direction, the electrode needle guide assembly 400 comprises an electrode needle mounting part 410 for mounting an electrode needle, the electrode needle guide assembly 400 is movably arranged at the positioning assembly 300 along a second direction, and the second direction is crossed with the first direction. In some embodiments, the first direction is a length direction of the support frame 200, the second direction is a length direction of the positioning assembly 300, and the first direction is disposed orthogonal to the second direction. The person skilled in the art may adjust the first direction and the second direction by rotating the support frame according to the lesion site of the patient, which is not limited herein.
Further, the base 100 includes a first support structure 110 and a second support structure 120, the first support structure 110 is disposed along a vertical direction, the second support structure 120 is disposed along a horizontal direction, a first end of the first support structure 110 is a fixed end 100a for fixing, and a second end of the first support structure 110 extends along the vertical direction. The first end of the second supporting structure 120 is movably disposed on the first supporting structure 110, and the first end of the second supporting structure 120 is the movable end 100b. As shown in fig. 1, the first supporting structure 110 in the embodiment of the present application includes a vertical rod 111 and a base 112, and the base 112 is used for fixing with a mounting surface such as a ground surface or an operating table. One end of the vertical rod 111 is connected to the base 112, and the other end extends upward along the vertical direction to provide an installation space for the second support structure 120. The second supporting structure 120 includes a horizontal rod 121, one end of the horizontal rod 121 is mounted on the vertical rod 111 and can move along the extending direction of the vertical rod 111, and the other end of the horizontal rod 121 is a movable end 100b for structurally connecting with the supporting frame 200. Preferably, the horizontal rod 121 is of a telescopic structure, i.e., the horizontal distance between the movable end 100b and the fixed end 100a can be flexibly adjusted, according to the present embodiment, the spatial position of the movable end 100b of the base 100 relative to the fixed end 100a can be flexibly adjusted, and thus the spatial position of the supporting frame 200 can be flexibly adjusted.
Preferably, the support frame 200 is connected to the second support structure 120 by a rotation structure 130, the support frame 200 having a degree of freedom of rotation about a lengthwise axis of the second support structure 120. According to the embodiment, the supporting frame 200 is preferably a rectangular frame, the middle portion of the supporting frame is hollow, the rotating structure 130 can be a bearing, a spherical hinge, a universal joint and other rotating structures 130, so that the supporting frame 200 has a rotational degree of freedom, the actual position of the focus of the patient can be observed through the supporting frame 200 during actual operation and use, the angle of the supporting frame 200 can be flexibly adjusted according to the actual position of the focus of the patient, and the practicability is high.
In some optional embodiments, an end of the second support structure 120 away from the support frame 200 has a ring structure 122, an inner diameter of the ring structure 122 matches an outer diameter of the first support structure 110, an end of the ring structure 122 away from the support frame 200 is provided with a threaded through hole 1221, an axis of the threaded through hole 1221 is parallel to a length direction of the second support structure 120, the threaded through hole 1221 is used for the detachable connection member 500 to pass through, and the detachable connection member 500 can fix a position of the second support structure 120 relative to the first support structure 110 after passing through the threaded through hole 1221. The releasable connector 500 is preferably a screw-lock pin. According to the embodiment, the second supporting structure 120 is sleeved on the first supporting structure 110 through a ring structure and fixed through the detachable connection member 500, and the second supporting structure 120 can be freely moved or fixed along the extending direction of the first supporting structure 110 by adjusting the detachable connection member 500, that is, the height of the second supporting structure 120 relative to the fixed end 100a can be flexibly adjusted, and the structure can enable the auxiliary needle inserting device to be fixed in a three-dimensional space and has high mobility.
In some alternative embodiments, the positioning assembly 300 includes a positioning bar 310 extending along the second direction and first buckles 320 rotatably disposed at two ends of the positioning bar 310, and the outer edge of the support frame 200 is provided with a first locking groove 210; the first buckle 320 is buckled with the first slot 210 in the first state, so that the positioning assembly 300 is fixed relative to the support frame 200 to form a clamping structure; the first catch 320 is separated from the first card slot 210 in the second state, so that the positioning assembly 300 is movable relative to the support frame 200. According to the embodiment, the first buckle 320 is hinged to the positioning strip 310, and the angle between the first buckle 320 and the positioning strip 310 is adjusted to change the state of the first buckle 320 and further adjust the position of the positioning assembly 300, it can be understood that in the first state, the positioning assembly 300 is fixed relative to the supporting frame 200 so that the positioning assembly 300 does not fall off along with the movement or rotation of the supporting frame 200, and the stability of the electrode needle is ensured, and in the second state, the positioning assembly 300 of the present application is a detachable structure which can be arbitrarily moved close to or away from the two ends of the supporting frame 200 by the arrangement of the first buckle 320.
Further, the positioning bar 310 has a hollow portion 311 extending along the second direction, the electrode pin mounting portion 410 has a through hole for the electrode pin to penetrate through, and the position of the through hole corresponds to the position of the hollow portion 311. According to this embodiment, the electrode needle is firstly fixed by the electrode needle mounting portion 410, and secondly fixed by the hollow portion 311, the hollow portion 311 can reduce the weight of the auxiliary needle inserting device, and the focus position of the patient can be observed by the user, so that the position of the electrode needle guiding assembly 400 can be flexibly adjusted.
In other alternative embodiments, first catch 320 includes first projection 321, and first projection 321 is disposed to project away from a connection of first catch 320 with positioning bar 310. The first protrusion 321 is convenient for a user to operate, thereby providing an operation space for the user. The state of the first catch 320 is changed by holding the first protrusion 321 to adjust the angle of the first catch 320 relative to the positioning bar 310.
In some optional embodiments, the electrode needle guide assembly 400 further includes second buckles 420 rotatably disposed at both ends of the electrode needle mounting part 410, and a second locking groove 312 is disposed at the outer edge of the positioning assembly 300; the second buckle 420 is buckled with the second clamping groove 312 in the first state, so that the electrode needle guide assembly 400 is fixed relative to the positioning assembly 300 to form a clamping structure; the second catch 420 is separated from the second catch groove 312 in the second state, so that the electrode needle guide assembly 400 is movable with respect to the positioning assembly 300. According to this embodiment, second buckle 420 is articulated with electrode needle installation department 410, adjust the angle between second buckle 420 and the electrode needle installation department 410 and then adjust the position of electrode needle installation department 410 with the state that changes second buckle 420, it can be understood, under first state, electrode needle installation department 410 is fixed for location strip 310 so that electrode needle installation department 410 can not drop along with the removal or the rotation of location strip 310, guarantee the steadiness of electrode needle, under the second state, the setting of second buckle 420 makes the electrode needle installation department 410 of this application be detachable construction, it can be along the both ends direction of location strip 310 arbitrary near or keep away from the removal.
In some alternative embodiments, the second catch 420 includes a second protrusion 421, and the second protrusion 421 is protruded away from the connection of the second catch 420 and the electrode needle guide assembly 400. The second protrusion 421 is used to provide a fulcrum for the user to operate, so as to provide an operation space for the user. The angle of the second latch 420 with respect to the electrode needle mounting part 410 is adjusted by holding the second protrusion 421, and the engaging state of the second latch 420 is changed.
In some alternative embodiments, a plurality of positioning assemblies 300 are provided on the support frame 200, and a plurality of electrode needle guide assemblies 400 are provided on the positioning assemblies 300. Referring to the drawings, a plurality of positioning assemblies 300 are arranged on the supporting frame 200, the distance between the positioning assemblies 300 can be flexibly adjusted, three electrode needle guiding assemblies 400 are arranged on the positioning assemblies 300, the distance between the electrode needle guiding assemblies 400 can be flexibly adjusted, the number of the positioning assemblies 300 and the number of the electrode needle guiding assemblies 400 can be flexibly adjusted according to the size of a focus of a patient according to the embodiment, a plurality of electrode needles are arranged and parallelly inserted, the puncture area is increased, and the practicability is high.
In some alternative embodiments, the electrode needle mounting part 410 has an inner cavity 411 capable of closely fitting the electrode needle to mount and guide the electrode needle. The inner diameter of the inner cavity 411 is slightly larger than the diameter of the electrode needle. According to the present embodiment, the lumens 411 are closely matched with the electrode needle such that the electrode needle moves in a direction defined by each lumen and does not drop as the electrode needle mounting part 410 moves or rotates, and the electrode needle mounting part 410 enables the electrode needle to be inserted and enables a three-dimensional angle of the electrode needle to be the same as a three-dimensional angle of the auxiliary needle insertion device.
The utility model discloses a supplementary needle inserting device's concrete using-way as follows: after the CT image detects the tumor part of the patient, the operator determines the number and the spacing of the inserted needles according to the size of the tumor. An operator horizontally places the fixed end 100a of the base 100 on the ground or a table, and adjusts the height and horizontal direction of the second support structure 120 and the rotation angle of the support frame 200 to make the electrode needle mounting part 410 approach the patient and fix; after the supporting frame 200 is fixed, the positioning assembly 300 is adjusted to the second state to move on the supporting frame 200, the positioning assembly 300 is adjusted to the first state to form a clamping structure with the supporting frame 200 after the positioning assembly 300 moves to a proper position, the electrode needle guide assembly 400 is adjusted to the second state to move on the positioning assembly 300 to enable the electrode needle mounting part 410 to be close to the tumor part of the patient accurately, and the electrode needle mounting part 410 is adjusted to the proper position to adjust the electrode needle guide assembly 400 to the first state to form a clamping structure with the positioning assembly 300. And finally, inserting the electrode needles by an operator according to the predetermined needle inserting number and the predetermined interval to perform ablation. Thus, the electrode needle mounting part 410 can ensure that two or more electrode needles are parallel to each other and have adjustable distance under the fixing action of the positioning component 300 and the supporting frame 200, which is beneficial for the two or more electrode needles to form an effective electric field at a tumor part.
The utility model also provides an auxiliary needle inserting device, this auxiliary needle inserting device include arm, braced frame 200, locating component 300 and electrode needle guide assembly 400. The support frame 200 is rotatably mounted on a mechanical arm, and the mechanical arm is a six-degree-of-freedom mechanical arm and is used for driving the support frame 200 to perform six-degree-of-freedom motion in space; the positioning assembly 300 is movably mounted to the support frame 200 along a first direction, the electrode needle guide assembly 400 includes an electrode needle mounting part 410 for mounting an electrode needle, and the electrode needle guide assembly 400 is movably mounted to the positioning assembly 300 along a second direction crossing the first direction. The specific structures of the supporting frame 200, the positioning assembly 300 and the electrode needle guiding assembly 400 refer to the above embodiments, and since the auxiliary needle inserting apparatus adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (11)
1. An auxiliary needle insertion device, comprising:
the base comprises a fixed end and a movable end;
a supporting frame rotatably mounted on the movable end,
the positioning component is movably arranged on the supporting frame along a first direction;
the electrode needle guide assembly comprises an electrode needle mounting part and is used for mounting an electrode needle, the electrode needle guide assembly is movably mounted on the positioning assembly along a second direction, and the second direction is crossed with the first direction.
2. The needle insertion assisting device of claim 1, wherein the base comprises a first supporting structure and a second supporting structure, the first supporting structure is arranged along a vertical direction, the second supporting structure is arranged along a horizontal direction, one end of the first supporting structure is used for fixing, one end of the second supporting structure is movably arranged on the first supporting structure, and the other end of the second supporting structure is the movable end.
3. The assisted needle access device of claim 2, wherein the support frame is connected to the second support structure by a rotational structure, the support frame having a degree of freedom of rotation about a lengthwise axis of the second support structure.
4. The auxiliary needle inserting device as claimed in claim 3, wherein an end of the second supporting structure facing away from the supporting frame is provided with a ring-shaped structure, an inner diameter of the ring-shaped structure is matched with an outer diameter of the first supporting structure, an end of the ring-shaped structure facing away from the supporting frame is provided with a threaded through hole, an axis of the threaded through hole is parallel to a length direction of the second supporting structure, and the threaded through hole is used for a detachable connecting piece to penetrate through and fix a position of the second supporting structure relative to the first supporting structure.
5. The auxiliary needle inserting device as claimed in claim 1, wherein the positioning assembly comprises a positioning strip extending along the second direction and first buckles rotatably disposed at two ends of the positioning strip, and a first clamping groove is disposed at an outer edge of the supporting frame;
the first buckle is buckled with the first clamping groove in a first state, so that the positioning assembly is fixed relative to the supporting frame;
the first buckle is separated from the first clamping groove in a second state, so that the positioning assembly can move relative to the supporting frame.
6. The needle inserting aid of claim 5, wherein the positioning bar has a hollow portion extending along the second direction, the electrode needle mounting portion has a through hole for the electrode needle to pass through, and the position of the through hole corresponds to the position of the hollow portion.
7. The needle insertion assisting device of claim 5, wherein the first catch comprises a first protrusion, and the first protrusion is arranged to protrude away from a connection between the first catch and the positioning strip.
8. The auxiliary needle inserting device as claimed in claim 1, wherein the electrode needle guiding assembly further comprises second fasteners rotatably disposed at both ends of the electrode needle mounting part, and a second locking groove is disposed at an outer edge of the positioning assembly;
the second buckle is buckled with the second clamping groove in a first state, so that the electrode needle guide assembly is fixed relative to the positioning assembly;
the second buckle is separated from the second clamping groove in a second state, so that the electrode needle guide assembly can move relative to the positioning assembly.
9. The needle insertion aid of claim 8, wherein the second catch includes a second projection projecting away from a connection of the second catch with the needle electrode guide assembly.
10. The needle inserting apparatus as claimed in any one of claims 1 to 9, wherein a plurality of the positioning assemblies are disposed on the supporting frame, and a plurality of the electrode needle guide assemblies are disposed on the positioning assemblies.
11. The auxiliary needle inserting device as claimed in claim 1, wherein the electrode needle mounting part has an inner cavity capable of closely fitting with the electrode needle to mount and guide the electrode needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221342002.5U CN218128738U (en) | 2022-05-30 | 2022-05-30 | Auxiliary needle inserting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221342002.5U CN218128738U (en) | 2022-05-30 | 2022-05-30 | Auxiliary needle inserting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218128738U true CN218128738U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221342002.5U Active CN218128738U (en) | 2022-05-30 | 2022-05-30 | Auxiliary needle inserting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218128738U (en) |
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2022
- 2022-05-30 CN CN202221342002.5U patent/CN218128738U/en active Active
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