CN111904556B

CN111904556B - Ultrasonic therapy puncture needle positioning device

Info

Publication number: CN111904556B
Application number: CN202010920863.6A
Authority: CN
Inventors: 李拓
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-06-18
Anticipated expiration: 2040-09-04
Also published as: CN111904556A

Abstract

The invention provides a positioning device for an ultrasonic treatment puncture needle, relates to the technical field of positioning devices, and solves the problem that the elimination of backlash cannot be realized through structural improvement to influence the positioning precision; if the adjustment is completed, the position is easy to shift due to careless touch, so that the readjustment is needed, and the time is wasted. An ultrasonic treatment puncture needle positioning device comprises a first adjusting structure and an adjusting rod structure; the first adjusting structure is provided with a second adjusting structure, and the second adjusting structure is welded with a positioning seat. The baffle ring is welded on the threaded rod, and the threaded rod is also sleeved with an elastic part B; the head end of the elastic part B is in contact with the baffle ring, the tail end of the elastic part B is in contact with the handle, and the handle and the protrusion are in a non-contact state under the elastic force pushing of the elastic part B, so that when the handle is touched unintentionally, the rotation of the threaded rod cannot be caused.

Description

Ultrasonic therapy puncture needle positioning device

Technical Field

The invention belongs to the technical field of positioning devices, and particularly relates to an ultrasonic treatment puncture needle positioning device.

Background

The percutaneous puncture operation is a minimally invasive operation, and doctors can be applied to lung tumor puncture, liver tumor puncture, percutaneous liver puncture biliary drainage, cancer pain blockage and the like; when a doctor performs a percutaneous puncture operation, the doctor is often assisted with computer tomography to judge the puncture position of the puncture needle.

As in application No.: CN201510906097.7, the invention discloses a puncture needle positioning device. The puncture needle positioning device is suitable for adjusting and positioning the puncture needle. The puncture needle positioning device comprises a back frame and a positioning mechanism. The positioning mechanism is arranged on the back frame. The positioning mechanism comprises a position adjusting structure and an angle adjusting structure. The position adjusting structure can move along a first direction and a second direction relative to the back frame. The position adjusting structure comprises a first needle threading sheet. The angle adjusting structure is arranged on the position adjusting structure and can move relative to the position adjusting structure. The angle adjusting structure comprises a second needle threading sheet. The puncture needle can be arranged in the second needle threading sheet and the first needle threading sheet. Therefore, the puncture needle positioning device can simplify the step of positioning the puncture needle and can greatly improve the positioning accuracy of the puncture needle.

Puncture needle positioning devices similar to the above applications currently suffer from the following disadvantages:

one is that when the existing device realizes the thread adjustment, the elimination of backlash cannot be realized through the structural improvement, which affects the positioning precision; moreover, the conventional device is prone to position deviation if being touched carelessly after being adjusted, so that readjustment is needed, and time is wasted.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and an ultrasonic treatment puncture needle positioning device is provided to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides an ultrasonic treatment puncture needle positioning device, aiming at solving the problems that the existing device can not realize the elimination of backlash through structural improvement when realizing the thread adjustment, and the positioning precision is influenced; in addition, the conventional device has the problem that the position is easy to deviate if the device is touched carelessly after being adjusted, so that readjustment is needed, and time is wasted.

The invention relates to an ultrasonic treatment puncture needle positioning device, which is realized by the following specific technical means:

an ultrasonic treatment puncture needle positioning device comprises a first adjusting structure and an adjusting rod structure; a second adjusting structure is mounted on the first adjusting structure, and a positioning seat is welded on the second adjusting structure; a fixed structure is welded on the first adjusting structure; the adjusting rod structure comprises a threaded rod, protrusions and a handle, the threaded rod is rotatably connected to the base body and in threaded connection with the rectangular plate, and the two protrusions are symmetrically welded on the outer wall of the threaded rod; the handle is rotated on the threaded rod, two connecting holes are formed in the handle, and the two connecting holes are of a rectangular hole-shaped structure; the connecting hole formed in the handle is matched with the protrusion, and the handle is in a limiting state when the connecting hole formed in the handle is inserted into the protrusion; the adjusting rod structure further comprises a baffle ring and an elastic piece B, the baffle ring is welded on the threaded rod, and the threaded rod is further sleeved with the elastic piece B; the head end of the elastic part B is in contact with the baffle ring, the tail end of the elastic part B is in contact with the handle, and the handle and the protrusion are in a non-contact state under the elastic force pushing of the elastic part B.

Furthermore, the first adjusting structure comprises a seat body, a sliding seat A, a rectangular plate, a sliding rod A and an adjusting rod structure; the seat body is connected with two sliding seats A in a sliding mode, the two sliding seats A are connected through two sliding rods A in a welding mode, and the two sliding seats A are connected through a rectangular plate in a welding mode; the base body is rotatably connected with an adjusting rod structure, the adjusting rod structure is in threaded connection with the rectangular plate, and the adjusting rod structure forms a thread adjusting type structure of the rectangular plate and the sliding seat A.

Furthermore, the first adjusting structure further comprises two sliding rods B and an elastic piece A, wherein the two sliding rods B are welded on the base body and are in sliding connection with the rectangular plate; two slide bar B is the step shaft structure, and all cup jointed an elastic component A on two slide bar B to two elastic component A have constituteed the clearance between rectangular plate and the regulation pole structure jointly and have dispelled the structure.

Furthermore, the second adjusting structure comprises a sliding block and an adjusting rod, the sliding block is of a rectangular block structure, and the sliding block is connected to the sliding rod A in a sliding mode; the adjusting rod is rotatably connected to the sliding seat A, the adjusting rod is in threaded connection with the sliding block, and the adjusting rod forms a threaded adjusting type structure of the sliding block.

Furthermore, the second adjusting structure further comprises a slot, a mounting seat and an inserting protrusion A, wherein the slot is formed in the sliding block; the mounting seat is welded with the positioning seat, the mounting seat is welded with the inserting protrusion A, the inserting protrusion A is matched with the slot, and the inserting protrusion A and the slot form an auxiliary fixed structure of the mounting seat together.

Further, the second adjusting structure further comprises a bolt groove, the bolt groove is formed in the sliding block, and when the inserting protrusion A is inserted into the inserting groove, the fastening bolt on the mounting seat is aligned with the bolt groove.

Furthermore, the fixed structure comprises rectangular arms, sliding arms, an insertion groove A, an insertion groove B, a connecting block and insertion protrusions B, the rectangular arms are welded on the bottom end face of the base body, the rectangular arms are connected with the two sliding arms in a sliding mode, and each sliding arm is provided with the insertion groove A and the insertion groove B; the connecting block is welded with an inserting projection B which is respectively matched with the inserting groove A and the inserting groove B, and the inserting groove A and the inserting groove B jointly form a multidirectional fixed structure of the connecting block.

Further, fixed knot constructs still includes the fixing base, the fixing base is equipped with two altogether, and two fixing bases rotate respectively and connect on two connecting blocks to fixing base and connecting block have constituteed multidirectional fixed knot structure jointly.

Compared with the prior art, the invention has the following beneficial effects:

improved and adjusted the structure, can eliminate through the improvement and adjust structural empty time to reach the purpose that improves the regulation precision, and still formed through structural improvement and prevented mistake and bumped the structure, thereby prevented to adjust that the back personnel mistake is bumped and is leaded to the position in disorder, specifically go into down: firstly, two sliding seats A are connected to the seat body in a sliding mode, the two sliding seats A are connected through two sliding rods A in a welding mode, and the two sliding seats A are connected through a rectangular plate in a welding mode; the base body is rotatably connected with an adjusting rod structure, the adjusting rod structure is in threaded connection with the rectangular plate, and the adjusting rod structure forms a threaded adjustment type structure of the rectangular plate and the sliding seat A, so that the front and back adjustment of the sliding seat A is realized; secondly, two sliding rods B are arranged, are welded on the seat body and are connected with the rectangular plate in a sliding manner; the two sliding rods B are both of stepped shaft structures, the two sliding rods B are respectively sleeved with an elastic part A, and the two elastic parts A jointly form a backlash eliminating structure between the rectangular plate and the adjusting rod structure, so that the accuracy of the rectangular plate in adjustment is improved; thirdly, the threaded rod is rotatably connected to the base body and is in threaded connection with the rectangular plate, and two bulges are symmetrically welded on the outer wall of the threaded rod; the handle is rotated on the threaded rod, two connecting holes are formed in the handle, and the two connecting holes are of a rectangular hole-shaped structure; the connecting hole formed in the handle is matched with the protrusion, and the handle is in a limiting state when the connecting hole formed in the handle is inserted into the protrusion, so that the threaded rod can be adjusted by rotating the handle; fourthly, the baffle ring is welded on the threaded rod, and the threaded rod is also sleeved with an elastic part B; the head end of the elastic part B is in contact with the baffle ring, the tail end of the elastic part B is in contact with the handle, and the handle and the protrusion are in a non-contact state under the elastic force pushing of the elastic part B, so that when the handle is touched unintentionally, the rotation of the threaded rod cannot be caused.

The fixing structure is improved, firstly, the rectangular arm is welded on the bottom end face of the seat body, the rectangular arm is connected with two sliding arms in a sliding mode, and each sliding arm is provided with an insertion groove A and an insertion groove B; the connecting block is welded with an inserting projection B which is respectively matched with the inserting groove A and the inserting groove B, and the inserting groove A and the inserting groove B jointly form a multidirectional fixed structure of the connecting block; and secondly, two fixing seats are arranged on the two fixing seats, the two fixing seats are respectively and rotatably connected onto the two connecting blocks, and the fixing seats and the connecting blocks jointly form a multidirectional fixing structure.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic axial view of the present invention.

Fig. 3 is a schematic axial view of the invention in the other direction of fig. 2.

Fig. 4 is an enlarged schematic view of fig. 3 a according to the present invention.

Fig. 5 is an enlarged view of the structure of fig. 3B according to the present invention.

Fig. 6 is an enlarged view of the structure of fig. 3C according to the present invention.

Fig. 7 is an enlarged axial view of the adjustment lever structure of the present invention.

Fig. 8 is an enlarged view of fig. 7D according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a first adjustment structure; 101. a base body; 102. a sliding seat A; 10201. a rectangular plate; 103. a slide bar A; 104. a slide bar B; 105. an elastic member A; 106. an adjusting rod structure; 10601. a threaded rod; 10602. a protrusion; 10603. a baffle ring; 10604. a handle; 10605. an elastic member B; 2. a second adjustment structure; 201. a slider; 20101. a slot; 20102. a bolt slot; 202. a mounting seat; 20201. inserting the protrusion A; 203. adjusting a rod; 3. positioning seats; 4. a fixed structure; 401. a rectangular arm; 402. a slide arm; 40201. a plug groove A; 40202. a plug groove B; 403. connecting blocks; 40301. inserting the protrusion B; 404. a fixed seat.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides an ultrasonic treatment puncture needle positioning device, which comprises a first adjusting structure 1 and an adjusting rod structure 106; a second adjusting structure 2 is arranged on the first adjusting structure 1, and a positioning seat 3 is welded on the second adjusting structure 2; a fixed structure 4 is welded on the first adjusting structure 1; referring to fig. 8, the adjusting lever structure 106 includes a threaded rod 10601, a protrusion 10602 and a handle 10604, the threaded rod 10601 is rotatably connected to the base 101 and is in threaded connection with the rectangular plate 10201, and two protrusions 10602 are symmetrically welded to the outer wall of the threaded rod 10601; the handle 10604 is rotated on the threaded rod 10601, and two connecting holes are formed in the handle 10604 and are of a rectangular hole-shaped structure; the connecting hole formed in the handle 10604 is matched with the protrusion 10602, and when the connecting hole formed in the handle 10604 is inserted into the protrusion 10602, the handle 10604 is in a limiting state, so that the threaded rod 10601 can be adjusted by rotating the handle 10604 at the moment; referring to fig. 8, the adjusting rod structure 106 further includes a stop ring 10603 and an elastic member B10605, the stop ring 10603 is welded to the threaded rod 10601, and the threaded rod 10601 is further sleeved with an elastic member B10605; the head end of the elastic element B10605 is in contact with the stop ring 10603, the tail end of the elastic element B10605 is in contact with the handle 10604, and the handle 10604 is in a non-contact state with the protrusion 10602 under the elastic force of the elastic element B10605, so that the threaded rod 10601 cannot be rotated when the handle 10604 is touched unintentionally.

Referring to fig. 3, the first adjusting structure 1 includes a base body 101, a sliding base a102, a rectangular plate 10201, a sliding rod a103, and an adjusting rod structure 106; the base body 101 is connected with two sliding bases A102 in a sliding manner, the two sliding bases A102 are connected with each other through two sliding rods A103 in a welding manner, and the two sliding bases A102 are connected with each other through a rectangular plate 10201 in a welding manner; the base body 101 is rotatably connected with an adjusting rod structure 106, the adjusting rod structure 106 is in threaded connection with the rectangular plate 10201, and the adjusting rod structure 106 forms a thread adjusting structure of the rectangular plate 10201 and the sliding base A102, so that the front and back adjustment of the sliding base A102 is realized.

Referring to fig. 3, the first adjusting structure 1 further includes two sliding rods B104 and an elastic member a105, the two sliding rods B104 are welded on the seat body 101, and the two sliding rods B104 are slidably connected to the rectangular plate 10201; two slide bar B104 are the ladder shaft structure, and all cup joint an elastic component A105 on two slide bar B104 to two elastic component A105 have constituteed the backlash elimination structure between rectangular plate 10201 and the regulation pole structure 106 jointly, thereby improve the precision when rectangular plate 10201 adjusts.

Referring to fig. 3, the second adjusting structure 2 includes a sliding block 201 and an adjusting rod 203, the sliding block 201 is a rectangular block structure, and the sliding block 201 is slidably connected to the sliding rod a 103; the adjusting rod 203 is rotatably connected on the sliding seat a102, the adjusting rod 203 is in threaded connection with the sliding block 201, and the adjusting rod 203 constitutes a thread adjusting type structure of the sliding block 201.

Referring to fig. 3 and 5, the second adjusting structure 2 further includes a slot 20101, a mounting seat 202, and an insertion protrusion a20201, where the slot 20101 is opened on the sliding block 201; the mounting base 202 is welded with the positioning seat 3, the mounting base 202 is welded with the inserting projection A20201, the inserting projection A20201 is matched with the slot 20101, and the inserting projection A20201 and the slot 20101 jointly form an auxiliary fixing type structure of the mounting base 202.

Referring to fig. 5, the second adjustment structure 2 further includes a bolt groove 20102, the bolt groove 20102 is formed on the sliding block 201, and a fastening bolt on the mounting base 202 is aligned with the bolt groove 20102 when the insertion protrusion a20201 is inserted into the insertion groove 20101.

Referring to fig. 3 and 6, the fixed structure 4 includes rectangular arms 401, sliding arms 402, insertion grooves a40201, insertion grooves B40202, connecting blocks 403, and insertion protrusions B40301, the rectangular arms 401 are welded to the bottom end face of the base 101, two sliding arms 402 are slidably connected to the rectangular arms 401, and each sliding arm 402 is provided with one insertion groove a40201 and one insertion groove B40202; an inserting projection B40301 is welded on the connecting block 403, the inserting projection B40301 is respectively matched with the inserting groove A40201 and the inserting groove B40202, and the inserting groove A40201 and the inserting groove B40202 form a multidirectional fixed structure of the connecting block 403.

Referring to fig. 3, the fixing structure 4 further includes two fixing bases 404, the two fixing bases 404 are respectively rotatably connected to the two connecting blocks 403, and the fixing bases 404 and the connecting blocks 403 together form a multi-directional fixing structure.

The specific use mode and function of the embodiment are as follows:

when the first adjusting structure 1 is required to be adjusted, firstly, two sliding seats a102 are connected to the seat body 101 in a sliding manner, the two sliding seats a102 are connected with each other by welding through two sliding rods a103, and the two sliding seats a102 are connected with each other by welding through a rectangular plate 10201; the base body 101 is rotatably connected with an adjusting rod structure 106, the adjusting rod structure 106 is in threaded connection with the rectangular plate 10201, and the adjusting rod structure 106 forms a threaded adjustment type structure of the rectangular plate 10201 and the sliding seat A102, so that the front and back adjustment of the sliding seat A102 is realized; secondly, two sliding rods B104 are arranged, the two sliding rods B104 are welded on the seat body 101, and the two sliding rods B104 are slidably connected with the rectangular plate 10201; the two sliding rods B104 are both of a stepped shaft structure, the two sliding rods B104 are sleeved with the elastic pieces A105, and the two elastic pieces A105 jointly form a backlash eliminating structure between the rectangular plate 10201 and the adjusting rod structure 106, so that the accuracy of the rectangular plate 10201 in adjustment is improved; thirdly, the threaded rod 10601 is rotatably connected to the base 101 and is in threaded connection with the rectangular plate 10201, and two protrusions 10602 are symmetrically welded on the outer wall of the threaded rod 10601; the handle 10604 is rotated on the threaded rod 10601, and two connecting holes are formed in the handle 10604 and are of a rectangular hole-shaped structure; the connecting hole formed in the handle 10604 is matched with the protrusion 10602, and when the connecting hole formed in the handle 10604 is inserted into the protrusion 10602, the handle 10604 is in a limiting state, so that the threaded rod 10601 can be adjusted by rotating the handle 10604 at the moment; fourthly, the baffle ring 10603 is welded on the threaded rod 10601, and the threaded rod 10601 is also sleeved with an elastic piece B10605; the head end of the elastic element B10605 is contacted with the stop ring 10603, the tail end of the elastic element B10605 is contacted with the handle 10604, and the handle 10604 and the bulge 10602 are in a non-contact state under the elastic force of the elastic element B10605, so that when the handle 10604 is touched unintentionally, the threaded rod 10601 cannot be rotated;

when the device needs to be fixed, firstly, the rectangular arm 401 is welded on the bottom end face of the base body 101, the rectangular arm 401 is connected with two sliding arms 402 in a sliding manner, and each sliding arm 402 is provided with an insertion groove A40201 and an insertion groove B40202; an inserting projection B40301 is welded on the connecting block 403, the inserting projection B40301 is respectively matched with the inserting groove A40201 and the inserting groove B40202, and the inserting groove A40201 and the inserting groove B40202 form a multidirectional fixed structure of the connecting block 403; secondly, because of fixing base 404 is equipped with two altogether, and two fixing bases 404 rotate respectively and connect on two connecting blocks 403 to fixing base 404 and connecting block 403 have constituteed multidirectional fixed knot jointly and have constructed.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An ultrasonic therapy puncture needle positioning device is characterized in that: comprises a first adjusting structure (1) and an adjusting rod structure (106); a second adjusting structure (2) is arranged on the first adjusting structure (1), and a positioning seat (3) is welded on the second adjusting structure (2); a fixed structure (4) is welded on the first adjusting structure (1); the adjusting rod structure (106) comprises a threaded rod (10601), protrusions (10602) and a handle (10604), the threaded rod (10601) is rotatably connected to the base body (101) and in threaded connection with the rectangular plate (10201), and the two protrusions (10602) are symmetrically welded on the outer wall of the threaded rod (10601); the handle (10604) rotates on the threaded rod (10601), and the handle (10604) is provided with two connecting holes which are in a rectangular hole-shaped structure; the connecting hole formed in the handle (10604) is matched with the protrusion (10602), and the handle (10604) is in a limiting state when the connecting hole formed in the handle (10604) is inserted into the protrusion (10602); the adjusting rod structure (106) further comprises a baffle ring (10603) and an elastic piece B (10605), the baffle ring (10603) is welded on the threaded rod (10601), and the threaded rod (10601) is further sleeved with the elastic piece B (10605); the head end of the elastic element B (10605) is in contact with the baffle ring (10603), the tail end of the elastic element B (10605) is in contact with the handle (10604), and the handle (10604) and the bulge (10602) are in a non-contact state under the elastic force pushing of the elastic element B (10605); the fixed structure (4) comprises rectangular arms (401), sliding arms (402), inserting grooves A (40201), inserting grooves B (40202), connecting blocks (403) and inserting protrusions B (40301), the rectangular arms (401) are welded on the bottom end face of the base body (101), the rectangular arms (401) are connected with the two sliding arms (402) in a sliding mode, and each sliding arm (402) is provided with one inserting groove A (40201) and one inserting groove B (40202); an inserting projection B (40301) is welded on the connecting block (403), the inserting projection B (40301) is respectively matched with the inserting groove A (40201) and the inserting groove B (40202), and the inserting groove A (40201) and the inserting groove B (40202) jointly form a multidirectional fixed structure of the connecting block (403); fixed knot constructs (4) still includes fixing base (404), fixing base (404) are equipped with two altogether, and two fixing bases (404) rotate respectively and connect on two connecting blocks (403) to fixing base (404) and connecting block (403) have constituteed multidirectional fixed knot structure jointly.

2. An ultrasonic treatment needle positioning device as defined in claim 1, wherein: the first adjusting structure (1) comprises a seat body (101), a sliding seat A (102), a rectangular plate (10201), a sliding rod A (103) and an adjusting rod structure (106); the seat body (101) is connected with two sliding seats A (102) in a sliding mode, the two sliding seats A (102) are connected through two sliding rods A (103) in a welding mode, and the two sliding seats A (102) are connected through a rectangular plate (10201) in a welding mode; the base body (101) is connected with an adjusting rod structure (106) in a rotating mode, the adjusting rod structure (106) is in threaded connection with the rectangular plate (10201), and the adjusting rod structure (106) forms a thread adjusting type structure of the rectangular plate (10201) and the sliding base A (102).

3. An ultrasonic treatment needle positioning device in accordance with claim 2, wherein: the first adjusting structure (1) further comprises two sliding rods B (104) and an elastic piece A (105), the two sliding rods B (104) are arranged and welded on the seat body (101), and the two sliding rods B (104) are connected with the rectangular plate (10201) in a sliding mode; the two sliding rods B (104) are both of a stepped shaft structure, the two sliding rods B (104) are sleeved with an elastic piece A (105), and the two elastic pieces A (105) jointly form a backlash eliminating structure between the rectangular plate (10201) and the adjusting rod structure (106).

4. An ultrasonic treatment needle positioning device in accordance with claim 2, wherein: the second adjusting structure (2) comprises a sliding block (201) and an adjusting rod (203), the sliding block (201) is of a rectangular block structure, and the sliding block (201) is connected to the sliding rod A (103) in a sliding mode; the adjusting rod (203) is rotatably connected to the sliding seat A (102), the adjusting rod (203) is in threaded connection with the sliding block (201), and the adjusting rod (203) forms a threaded adjusting type structure of the sliding block (201).

5. An ultrasound treatment needle positioning device in accordance with claim 4, wherein: the second adjusting structure (2) further comprises a slot (20101), a mounting seat (202) and an inserting protrusion A (20201), wherein the slot (20101) is formed in the sliding block (201); the mounting seat (202) is welded with the positioning seat (3), the mounting seat (202) is welded with the inserting protrusion A (20201), the inserting protrusion A (20201) is matched with the slot (20101), and the inserting protrusion A (20201) and the slot (20101) jointly form an auxiliary fixed structure of the mounting seat (202).

6. An ultrasound treatment needle positioning device in accordance with claim 5, wherein: the second adjusting structure (2) further comprises a bolt groove (20102), the bolt groove (20102) is formed in the sliding block (201), and when the inserting protrusion A (20201) is inserted into the inserting groove (20101), a fastening bolt on the mounting seat (202) is aligned with the bolt groove (20102).