Accurate positioning needle pushing device for rear-mounted inserting and planting needle

Abstract

The invention provides a precise positioning needle pushing device for a post-mounted inserting needle, which comprises a bottom plate and a needle body positioning pipe, a positioning sucker is mounted on the lower surface of the bottom plate, two cylinders are fixedly connected to one side of the upper surface of the bottom plate, a mounting plate is sleeved on the two cylinders, an up-down adjusting assembly is arranged between the mounting plate and the bottom plate, and the needle body positioning pipe is fixedly connected to one side of the upper surface of the bottom plate. The side, away from the cylinder, of the upper surface of the mounting plate is fixedly connected with a mounting base, and the top end of the mounting base is rotationally connected with a fixing rod through a fixing assembly. The implantation needle at the front end of the needle body positioning tube can be accurately positioned, the implantation needle cannot deviate from a target area in the propelling process, meanwhile, the pawl can prevent the implantation needle from rebounding, the situation that the implantation needle rebounds due to pressure of surrounding tissue is avoided, and repeated puncture pain brought to a patient due to rebounding of the implantation needle is reduced.

Description

Technical Field

[0001] The invention relates to a precise positioning needle pusher for a post-installed implant needle. Background Art

[0002] Cervical cancer is an extremely common gynecological malignancy. In the treatment of cervical cancer, radiotherapy is an important treatment method. In the radiotherapy process, an implantation needle is often used as an applicator, and the implantation needle is directly implanted into the tumor tissue. The implantation needle includes a main body and a tapered tip. Along the length of the implantation needle, the main body of the implantation needle is provided with a hollow channel that penetrates the main body of the implantation needle. With the help of the hollow channel of the main body of the implantation needle, a pathway for the radiation source to enter the tumor tissue is created. The tapered tip of the implantation needle enters the tumor tissue and introduces the radiation source into the hollow channel of the main body of the implantation needle, which is conducive to the radiation source reaching the interior of the tumor tissue directly, which can effectively reduce the damage of radiation to normal tissues around the tumor tissue, and can increase the close-range radiotherapy dose for the tumor tissue, improve the efficacy of radiotherapy, and obtain better treatment effects. Therefore, during the insertion of the implant needle, the front end of the implant needle needs to be accurately positioned to ensure that the front end of the implant needle is accurately inserted into the target area and does not move during the treatment process. If the insertion depth of the front end of the implant needle is too shallow, the treatment effect will be unsatisfactory. If the insertion depth of the implant needle is too deep, it may damage adjacent organs such as the rectum and bladder. Therefore, accurate positioning of the implant needle is crucial.

[0003] Existing implant needles are generally inserted manually based on the doctor's experience, with imprecise positioning and susceptible to the complexity of the anatomical structure. Especially in gynecological tumors such as cervical cancer and vaginal cancer, the implant needle may deviate from the target area, resulting in uneven dose distribution or organ endangerment, such as excessive radiation dose to the rectum and bladder. After the implant needle is inserted into the human tissue, it may rebound due to the pressure of the surrounding tissue, requiring repeated punctures and increasing the patient's pain. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a post-installed implant needle precise positioning needle pusher to solve the problem that the existing implant needle relies on the doctor's experience to insert it manually, resulting in inaccurate positioning.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: A post-installed implant needle precise positioning needle pusher, comprising a base plate and a needle body positioning tube, a positioning suction cup being installed on the lower surface of the base plate, two cylinders being fixedly connected to one side of the upper surface of the base plate, a mounting plate being sleeved on the two cylinders, an up and down adjustment component being provided between the mounting plate and the base plate, a mounting seat being fixedly connected to the side of the upper surface of the mounting plate away from the cylinder, a fixing rod being rotatably connected to the top end of the fixing rod being fixedly connected to the needle body positioning tube; The interior of the needle positioning tube is slidably connected to a piston, one side of the piston is fixedly connected to a push rod, the side of the push rod facing the cylinder extends out of the needle positioning tube and is fixedly connected to a handle, a limit assembly is provided on the needle positioning tube, the limit assembly is used to limit the resetting of the push rod, a silicone block is fixedly connected to the interior of the needle positioning tube, and a tapered channel is provided in the silicone block.

[0006] Preferably, the needle positioning tube is made of a transparent material, and a scale line is provided on the front side of the needle positioning tube.

[0007] Preferably, the number of the positioning suction cups is four, and the four positioning suction cups are installed at the four corners of the lower surface of the base plate.

[0008] Preferably, a connecting rod is fixedly connected between the two cylinders, and the push rod is located between the two cylinders and above the connecting rod.

[0009] Preferably, the side of the needle positioning tube away from the cylinder is the interpolation needle insertion side, the silicone block is close to the interpolation needle insertion side, the tapered channel includes a conical hole and a circular hole that are interconnected, the conical hole is located on the silicone block close to the interpolation needle insertion side, and the circular hole is located on the silicone block away from the interpolation needle insertion side.

[0010] Preferably, the fixing assembly includes a fixing cap threadedly connected to the top of the mounting seat, a spherical groove is provided inside the top of the mounting seat, a ball is rotatably connected inside the spherical groove, a through hole is provided at the top of the fixing cap, a rubber ring is fixedly connected to the inner wall of the through hole, and the bottom end of the fixing rod is fixedly connected to the ball.

[0011] Preferably, a side of the mounting plate away from the cylinder is flush with a side of the base plate away from the cylinder, and the mounting plate is arranged parallel to the base plate.

[0012] Preferably, sliders are fixedly connected to both sides of the push rod, an opening corresponding to the push rod is provided on the needle positioning tube, and sliding grooves corresponding to the sliders are provided on the inner walls on both sides of the opening.

[0013] Preferably, the limiting assembly includes a U-shaped seat fixedly connected to the upper surface of the needle positioning tube, a movable plate is rotatably connected to the U-shaped seat through a pin shaft, a spring is fixedly connected between one side of the movable plate and the needle positioning tube, and a pawl is fixedly connected to the other side of the movable plate, an opening is provided on the upper surface of the needle positioning tube, a plurality of slots are provided on the upper surface of the push rod, and the pawl passes through the opening and is located inside the slot.

[0014] Preferably, the up and down adjustment assembly includes a left-handed threaded barrel fixedly connected to the upper surface of the base plate, a right-handed threaded barrel fixedly connected to the lower surface of the mounting plate, an adjustment screw threadedly connected between the left-handed threaded barrel and the right-handed threaded barrel, and a handle fixedly connected to the outer surface of the adjustment screw.

[0015] Compared with the prior art, the present invention has at least the following beneficial effects: In the above scheme, the implantation needle is installed in the needle positioning tube from the insertion side of the interpolation needle, and then the pusher is fixed on the CT bed. Then, the needle positioning tube and the implantation needle are universally adjusted through the fixing component. After adjusting to the appropriate angle, they are fixed through the fixing component, so that the implantation needle at the front end of the needle positioning tube is accurately positioned, and the implantation needle will not deviate from the target area during the advancement process.

[0016] In the above scheme, the handle is used to drive the implant needle into the tumor tissue. During the insertion process, the slot on the push rod cooperates with the pawl to make a slight clicking sound, which makes the advancement feel layered. At the same time, the pawl can prevent the implant needle from rebounding, avoiding the implant needle rebounding due to the pressure of the surrounding tissue, and reducing the pain of repeated puncture caused to the patient by the rebound of the implant needle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable one skilled in the relevant art to make and use the present disclosure.

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the needle pusher for precise positioning of the post-installed implant needle; Figure 2 This is a schematic diagram of the front cross-sectional structure of the needle pusher for precise positioning of the post-installed implant needle; Figure 3 Precise positioning of the needle pusher for post-installation needle insertion Figure 1 Schematic diagram of the enlarged structure at A in the middle; Figure 4 Precise positioning of the needle pusher for post-installation needle insertion Figure 2 Schematic diagram of the enlarged structure at B in the middle; Figure 5 This is a schematic diagram of the right side of the three-dimensional structure of the needle body positioning tube of the needle pusher for precise positioning of the post-installed implant needle; Figure 6 Precise positioning of the needle pusher for post-installation needle insertion Figure 2 Schematic diagram of the enlarged structure at point C in the middle.

[0019] [Reference Signs] 1. Base plate; 2. Needle positioning tube; 3. Positioning suction cup; 4. Cylinder; 5. Up and down adjustment assembly; 6. Mounting seat; 7. Fixing rod; 8. Fixing assembly; 9. Piston; 10. Push rod; 11. Limit assembly; 12. Mounting plate; 13. Handle; 14. Silicone block; 15. Tapered channel; 201. Scale line; 401. Connecting rod; 801. Fixing cap; 802. Spherical groove; 803 , ball; 804, through hole; 805, rubber ring; 1001, slider; 1002, opening; 1003, slide groove; 1101, U-shaped seat; 1102, movable plate; 1103, spring; 1104, pawl; 1105, opening; 1106, slot; 1107, pin; 501, left-handed threaded barrel; 502, right-handed threaded barrel; 503, adjusting screw; 504, handle.

[0020] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the appended claims. DETAILED DESCRIPTION

[0021] The following describes in detail a post-installation implant needle precise positioning and pushing device provided by the present invention, with reference to the accompanying drawings and specific embodiments. It is also noted that, for the sake of completeness, the following embodiments are optimal and preferred embodiments, and those skilled in the art may employ alternative implementations for known techniques. Furthermore, the accompanying drawings are intended only to provide a more detailed description of the embodiments and are not intended to limit the present invention.

[0022] It should be noted that references in the specification to "one embodiment," "an embodiment," "exemplary embodiments," "some embodiments," etc. indicate that the described embodiments may include specific features, structures, or characteristics, but not necessarily every embodiment will include such specific features, structures, or characteristics. Furthermore, when specific features, structures, or characteristics are described in conjunction with an embodiment, it is within the knowledge of persons skilled in the relevant art to implement such features, structures, or characteristics in conjunction with other embodiments (whether or not explicitly described).

[0023] In general, terms can be understood, at least in part, from their use in context. For example, depending at least in part on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending at least in part on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0024] It will be understood that the meanings of “on,” “over,” and “above” in this disclosure should be interpreted in the broadest manner, such that “on” means not only “directly on” something, but also includes being “on” something with intervening features or layers, and “on” or “over” means not only “on” or “above” something, but also includes being “on” or “above” something with no intervening features or layers.

[0025] Additionally, spatially relative terms such as "below," "beneath," "lower," "above," and "upper" may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as illustrated in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein should be similarly interpreted accordingly.

[0026] like Figure 1-6 As shown, an embodiment of the present invention provides a post-installed insertion needle precision positioning needle pusher, including a base plate 1 and a needle body positioning tube 2, a positioning suction cup 3 is installed on the lower surface of the base plate 1, two cylinders 4 are fixedly connected to the right side of the upper surface of the base plate 1, a mounting plate 12 is sleeved on the two cylinders 4, an upper and lower adjustment component 5 is provided between the mounting plate 12 and the base plate 1, a mounting seat 6 is fixedly connected to the left side of the upper surface of the mounting plate 12, the top of the mounting seat 6 is rotatably connected to a fixing rod 7 through a fixing component 8, and the top of the fixing rod 7 is fixedly connected to the needle body positioning tube 2.

[0027] The inside of the needle positioning tube 2 is slidably connected to a piston 9, and the right side of the piston 9 is fixedly connected to a push rod 10. The right side of the push rod 10 is located outside the needle positioning tube 2 and is fixedly connected to a handle 13. The outer surface of the handle 13 is covered with anti-slip grooves, which are used to increase friction when pushing the interpolation needle. A limiting component 11 is provided on the right side of the upper surface of the needle positioning tube 2. The limiting component 11 is used to limit the resetting of the push rod 10. A silicone block 14 is fixedly connected to the inside of the left side of the needle positioning tube 2, and a tapered channel 15 is provided in the silicone block 14.

[0028] By providing a tapered channel 15, the needle pusher of the present invention becomes a single-channel interpolation needle pusher. Single-channel interpolation can achieve high-precision positioning, giving the needle pusher of the present invention the advantage of high-precision positioning. The implant needle is inserted into the tapered channel 15 from the far left. Because the silicone block 14 is located inside the needle positioning tube 2, the tapered channel 15 inside the silicone block 14 restrains the implant needle, preventing significant shaking during the interpolation process and improving stability.

[0029] like Figure 1 and Figure 5 As shown, in this embodiment, the needle positioning tube 2 is made of a transparent material, and a scale line 201 is set on the front of the needle positioning tube 2; the scale line 201 is a millimeter scale; by pushing the push rod 10 and the piston 9 to move, the piston 9 can drive the implantation needle to be inserted into the tumor tissue during the movement. During the insertion process, the advancement depth is displayed by observing the position of the piston 9 at the scale line 201.

[0030] like Figure 1 and Figure 2 As shown, in this embodiment, there are four positioning suction cups 3, which are installed at the four corners of the lower surface of the base plate 1; when the positioning suction cups 3 of the base plate 1 are in contact with the CT tabletop, the positioning suction cups 3 can be adsorbed and fixed on the CT tabletop.

[0031] like Figure 1 and Figure 2 As shown, in this embodiment, a connecting rod 401 is fixedly connected between the two cylinders 4, and the push rod 10 is located between the two cylinders 4 and above the connecting rod 401; in this way, the push rod 10 can be supported by the connecting rod 401.

[0032] like Figure 2 As shown, in this embodiment, the tapered channel 15 includes a tapered hole and a circular hole that are interconnected. The tapered hole is located on the left side of the silicone block 14, and the circular hole is located on the right side of the silicone block 14. In this way, the groove of the tapered channel 15 gradually decreases from left to right, which can facilitate the insertion of the implant needle into the silicone block 14. like Figure 1 、 Figure 3 and Figure 4 As shown, in this embodiment, the fixing assembly 8 includes a fixing cap 801 threadedly connected to the top of the mounting seat 6, a spherical groove 802 is provided inside the top of the mounting seat 6, a ball 803 is rotatably connected inside the spherical groove 802, a through hole 804 is provided at the top of the fixing cap 801, a rubber ring 805 is fixedly connected to the inner wall of the through hole 804, and the bottom end of the fixing rod 7 is fixedly connected to the ball 803. The ball 803 can rotate freely inside the spherical groove 802 and will not detach, so that the implant needle and the needle body positioning tube 2 can be adjusted in pitch angles, left and right directions, etc., thereby playing a universal function.

[0033] After adjusting the implant needle to a suitable angle, the fixing cap 801 is then rotated. Since the fixing cap 801 is threadedly connected to the mounting base 6, the fixing cap 801 can drive the rubber ring 805 to move downward during the rotation until the fixing cap 801 contacts the ball 803 to fix it, preventing the needle positioning tube 2 from rotating, thereby accurately positioning the implant needle at the front end of the needle positioning tube 2.

[0034] like Figure 1 and Figure 2 As shown, in this embodiment, the left side of the mounting plate 12 is flush with the left side of the base plate 1, and the mounting plate 12 is arranged parallel to the base plate 1 to ensure smooth interpolation of the implantation needle.

[0035] like Figure 1 and Figure 5 As shown, in this embodiment, the front and rear sides of the push rod 10 are fixedly connected with a slider 1001, the right side of the needle positioning tube 2 is provided with an opening 1002 corresponding to the push rod 10, and the front and rear inner walls of the opening 1002 are provided with a sliding groove 1003 corresponding to the slider 1001; in this way, the push rod 10 can only drive the slider 1001 to slide along the sliding groove 1003 to prevent the push rod 10 from rotating.

[0036] like Figure 2 and Figure 6 As shown, in this embodiment, the limiting assembly 11 includes a U-shaped seat 1101 fixedly connected to the right side of the upper surface of the needle body positioning tube 2, and a movable plate 1102 is rotatably connected to the U-shaped seat 1101 through a pin shaft 1107. A spring 1103 is fixedly connected between the left side of the movable plate 1102 and the needle body positioning tube 2, and a pawl 1104 is fixedly connected to the right side of the movable plate 1102. An opening 1105 is provided on the right side of the upper surface of the needle body positioning tube 2, and multiple openings are provided on the upper surface of the push rod 10. There is a slot 1106, a pawl 1104 passes through the opening 1105 and is located inside the slot 1106. The right side of the slot 1106 is an inclined surface, which can squeeze the pawl 1104 when pushed, so that the movable plate 1102 rotates around the pin shaft 1107 and compresses the spring 1103. The left side of the slot 1106 is a vertical surface. When the restoring force of the spring 1103 causes the pawl 1104 to be stuck in the slot 1106 again, the cooperation between the pawl 1104 and the slot 1106 can prevent the implant needle from rebounding.

[0037] Because of the height of the patient, the height of the cervix is ​​different after lying on the treatment bed. Figure 4As shown, in this embodiment, the upper and lower adjustment components 5 include a left-handed threaded barrel 501 fixedly connected to the upper surface of the base plate 1, a right-handed threaded barrel 502 fixedly connected to the lower surface of the mounting plate 12, an adjusting screw 503 threadedly connected between the left-handed threaded barrel 501 and the right-handed threaded barrel 502, and a handle 504 fixedly connected to the outer surface of the adjusting screw 503; when in use, the handle 504 is rotated to drive the adjusting screw 503 to rotate. Since the left-handed threaded barrel 501 and the right-handed threaded barrel 502 are threadedly connected to the adjusting screw 503, and the thread directions are opposite, the handle 504 can make the mounting plate 12 slide upward along the cylinder 4 during the rotation process, thereby adjusting to a suitable height.

[0038] The technical solution provided by the present invention is that when in use, the implant needle is installed in the tapered channel 15 in the silicone block 14 on the left side of the needle body positioning tube 2, and then the needle pusher is placed on the CT bed, and then the positioning suction cup 3 is used to adsorb and fix it on the CT bed, and then the needle body positioning tube 2 is held by hand and the needle body positioning tube 2 is pried open, so that the ball 803 is rotated and adjusted. During the prying and adjustment process, the needle body positioning tube 2 can drive the implant needle on the left to adjust synchronously until the implant needle is adjusted to a suitable angle, and then the fixing cap 801 is rotated. Since the fixing cap 801 is threadedly connected to the mounting seat 6, the fixing cap 801 can drive the rubber ring 805 to move downward during the rotation until the fixing cap 801 and The ball 803 contacts and fixes the needle positioning tube 2 to prevent it from rotating, so that the implantation needle at the front end of the needle positioning tube 2 is accurately positioned, and then the push rod 10 and the piston 9 are pushed to move. During the movement, the piston 9 can push the implantation needle into the tumor tissue. During the implantation of the implantation needle, the slot 1106 on the push rod 10 squeezes the pawl 1104, and causes the movable plate 1102 to rotate around the pin 1107 and compress the spring 1103. Then the restoring force of the spring 1103 causes the pawl 1104 to be stuck in the slot 1106 again, so that there is a slight clicking sound when pushing, which makes the push have a layered feel. At the same time, the pawl 1104 can prevent the implantation needle from rebounding, reducing the puncture pain caused to the patient by the rebound of the implantation needle.

[0039] The present invention encompasses any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A post-installed implant needle precise positioning needle pusher, characterized in that: It comprises a base plate (1) and a needle body positioning tube (2), wherein a positioning suction cup (3) is installed on the lower surface of the base plate (1), and two cylinders (4) are fixedly connected to one side of the upper surface of the base plate (1), and a mounting plate (12) is sleeved on the two cylinders (4). An upper and lower adjustment component (5) is provided between the mounting plate (12) and the base plate (1), and a mounting seat (6) is fixedly connected to the side of the upper surface of the mounting plate (12) away from the cylinder (4), and the top end of the mounting seat (6) is rotatably connected to a fixing rod (7) through a fixing component (8), and the top end of the fixing rod (7) is fixedly connected to the needle body positioning tube (2); The interior of the needle positioning tube (2) is slidably connected to a piston (9), one side of the piston (9) is fixedly connected to a push rod (10), the side of the push rod (10) facing the cylinder (4) extends out of the needle positioning tube (2) and is fixedly connected to a handle (13), a limit assembly (11) is provided on the needle positioning tube (2), the limit assembly (11) is used to limit the reset of the push rod (10), the interior of the needle positioning tube (2) is fixedly connected to a silicone block (14), and a tapered channel (15) for inserting an interpolation needle is provided in the silicone block (14).

2. The post-installed implant needle precise positioning and pushing device according to claim 1 is characterized in that: The needle body positioning tube (2) is made of a transparent material, and a scale line (201) is provided on the front side of the needle body positioning tube (2).

3. The post-installed implant needle precise positioning and pushing device according to claim 1 or 2, characterized in that: There are four positioning suction cups (3), which are installed at the four corners of the lower surface of the base plate (1).

4. The post-installed implant needle precise positioning and pushing device according to claim 1 is characterized in that: A connecting rod (401) is fixedly connected between the two cylinders (4), and the push rod (10) is located between the two cylinders (4) and above the connecting rod (401).

5. The post-installed implant needle precise positioning and pushing device according to claim 1 or 4, characterized in that: The side of the needle body positioning tube (2) away from the cylinder (4) is the interpolation needle insertion side, and the silicone block (14) is close to the interpolation needle insertion side. The tapered channel (15) includes a conical hole and a circular hole that are interconnected. The conical hole is located on the side of the silicone block (14) close to the interpolation needle insertion side, and the circular hole is located on the side of the silicone block (14) away from the interpolation needle insertion side.

6. The post-installed implant needle precise positioning and pushing device according to claim 5, characterized in that: The fixing assembly (8) includes a fixing cap (801) threadedly connected to the top of the mounting seat (6), a spherical groove (802) is provided inside the top of the mounting seat (6), a ball (803) is rotatably connected inside the spherical groove (802), a through hole (804) is provided at the top of the fixing cap (801), a rubber ring (805) is fixedly connected to the inner wall of the through hole (804), and the bottom end of the fixing rod (7) is fixedly connected to the ball (803).

7. The post-installed implant needle precise positioning and pushing device according to claim 1 or 6, characterized in that: The side of the mounting plate (12) away from the cylinder (4) is flush with the side of the base plate (1) away from the cylinder (4), and the mounting plate (12) is arranged parallel to the base plate (1).

8. The post-installed implant needle precise positioning and pushing device according to claim 1 is characterized in that: Both sides of the push rod (10) are fixedly connected with sliders (1001), an opening (1002) corresponding to the push rod (10) is provided on the needle body positioning tube (2), and both sides of the opening (1002) are provided with sliding grooves (1003) corresponding to the sliders (1001).

9. The post-installed implant needle precise positioning and pushing device according to claim 1 or 8, characterized in that: The limiting assembly (11) includes a U-shaped seat (1101) fixedly connected to the upper surface of the needle positioning tube (2), a movable plate (1102) is rotatably connected to the U-shaped seat (1101) via a pin (1107), a spring (1103) is fixedly connected between one side of the movable plate (1102) and the needle positioning tube (2), and a pawl (1104) is fixedly connected to the other side of the movable plate (1102), an opening (1105) is provided on the upper surface of the needle positioning tube (2), and a plurality of slots (1106) are provided on the upper surface of the push rod (10), and the pawl (1104) passes through the opening (1105) and is located inside the slot (1106).

10. The post-installed implant needle precise positioning and pushing device according to claim 1, characterized in that: The upper and lower adjustment assembly (5) comprises a left-handed threaded barrel (501) fixedly connected to the upper surface of the base plate (1); a right-handed threaded barrel (502) fixedly connected to the lower surface of the mounting plate (12); an adjustment screw (503) threadedly connected between the left-handed threaded barrel (501) and the right-handed threaded barrel (502); and a handle (504) fixedly connected to the outer surface of the adjustment screw (503).

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