CN218247327U

CN218247327U - Positioning device for puncture

Info

Publication number: CN218247327U
Application number: CN202121737128.8U
Authority: CN
Inventors: 黄彩林; 申维波
Original assignee: Guangzhou Minyi Medical Technology Development Co ltd
Current assignee: Guangzhou Minyi Medical Technology Development Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2023-01-10
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a positioner for puncture, positioner includes the main tributary piece, the guide, first connecting piece, moving member and driving piece, the guide is provided with the guiding hole that is used for the puncture, the first end of guide is articulated with the main tributary piece, the first end of first connecting piece is articulated with the second end of guide, the movably setting of moving member is on the main tributary piece, the second end of first connecting piece is articulated with the moving member, the driving piece is connected with the main tributary piece, the moving member is connected with the driving piece, the driving piece is used for ordering about moving member reciprocating motion, under the condition that the main tributary piece removed along main tributary piece length direction, the moving member drives first connecting piece and folds or expand for the guide, with the direction of adjustment guiding hole. The moving piece reciprocates in the main supporting piece, and the moving piece drives the guide piece to swing through the first connecting piece, thereby adjusting the direction of the guide hole on the guide piece, so as to adjust the puncture direction. The utility model can be widely applied to the technical field of medical appliances.

Description

Positioning device for puncture

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a positioner for puncture.

Background

In an orthopedic surgery, particularly a minimally invasive surgery, the puncture of a puncture needle to a target point is the key for successful surgery, the puncture needs to avoid blood vessels, nerves and bone tissues, generally, the puncture of the puncture needle needs to be conducted under the guidance of a C-arm perspective piece or under the perspective directly, or an advanced puncture robot is configured for puncture; the continuous fluoroscopy puncture can lead to long time of ray radiation of doctors and patients and great damage to bodies; the operation time is long through the guidance of a plurality of times of the perspective lens, especially for some novice or unskilled doctors, the time spent on puncturing can be more than several hours, and the repeated puncturing has great harm to patients; the puncture surgical robot is expensive, one device may cost millions, the learning curve is high, and the mastering difficulty of software is large.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above technical problems, the utility model provides a positioner for puncture, the technical scheme who adopts as follows:

the utility model provides a positioner for puncture includes main support piece, guide, first connecting piece, moving member and driving piece, the guide is provided with the guiding hole that is used for the puncture, the first end of guide with main support piece is articulated, the first end of first connecting piece with the second end of guide is articulated, the movably setting of moving member is in on the main support piece, the second end of first connecting piece with the moving member is articulated, the driving piece with main support piece is connected, the moving member with the driving piece is connected, the driving piece is used for ordering about moving member reciprocating motion the moving member is followed under the condition that main support piece length direction removed, the moving member drives first connecting piece for the guide is folding or expand, in order to adjust the direction of guiding hole.

In some embodiments of the present invention, the main support member is provided with a guide groove, the guide groove is followed the length direction of the main support member sets up, the moving member drives the second end of the first connecting member is passed through the moving part along the guide groove reciprocating motion.

In some embodiments of the present invention, the driving member drives the moving member to reciprocate through a screw transmission.

The utility model discloses an in some embodiments, positioner includes first angle chi, first angle chi sets up on the main tributary holds piece, the guiding hole is followed the length direction of guide runs through the setting from first end to second end, be provided with the mark line on the guide, the mark line is followed the length direction of guide sets up, first angle chi is used for measuring the guide for main tributary holds piece length direction's turned angle V.

The utility model discloses an in some embodiments, positioner includes first scale, the one end of first scale with main tributary piece connects, under the condition of external perspective, rotates the adjustment the guide piece, the mark line with the nodical M of first scale is at the projected position distance of body surface the guide piece with main tributary piece's pin joint N length is established to B, first scale is used for reading out distance B.

The utility model discloses an in some embodiments, positioner includes the second scale, the one end of second scale with main support piece connects, and under the condition of external perspective, target point C establishes to D at the distance of projection position A and pin joint N of body surface, the second scale is used for reading out distance D.

In some embodiments of the present invention, the positioning device comprises a base, the main support member is mounted on the base, and the position of the main support member on the base is rotatably adjustable about an axis of the main support member in the length direction.

In some embodiments of the present invention, the positioning device comprises a second angle ruler, the second angle ruler is disposed on the base, and the second angle ruler is used for measuring the rotation angle of the main supporting member on the base.

In some embodiments of the present invention, the base is provided with two indication portions, two the indication portions are respectively used for pointing to the head and foot positions of the patient.

In some embodiments of the present invention, the main support member is provided with a horizontal scale, and the horizontal scale is used for detecting the perpendicularity of the axis in the length direction of the main support member.

The embodiment of the utility model has the following beneficial effect at least: the moving piece reciprocates in the main supporting piece and drives the guide piece to swing through the first connecting piece, so that the direction of the guide hole in the guide piece is adjusted, and the puncture direction is adjusted. The utility model can be widely applied to the technical field of medical appliances.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a block diagram of a positioning device;

FIG. 2 is a block diagram of the main support showing a horizontal scale, a first angle scale, a first scale and a second scale;

fig. 3 is a diagram of a relative position relationship between the target point position and the positioning device under the perspective of the body surface, and the diagram shows a projection position a of the target point C and the body surface, an intersection point M of the marking line and the first scale, a hinge point N of the guide piece and the main support piece, a rotation angle V, a distance B, a distance D, and a vertical depth E of puncture.

Detailed Description

Embodiments of the invention, examples of which are illustrated in the accompanying drawings, are described in detail below with reference to fig. 1 to 3, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that if the terms "center", "middle", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are used to indicate an orientation or positional relationship based on that shown in the drawings, it is only for convenience of description and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. The features defined as "first" and "second" are used to distinguish feature names rather than having a special meaning, and further, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model relates to a positioner for puncture, positioner include main support piece 101, moving member 104, first connecting piece 103 and guide 102, the movably setting of moving member 104 is on main support piece 101, guide 102 is provided with the guiding hole that is used for the puncture, the first end of guide 102 is articulated with main support piece 101, the first end of first connecting piece 103 is articulated with the second end of guide 102, the second end of first connecting piece 103 is articulated with moving member 104. Specifically, in a case where the main support 101 is placed upright, the first end of the guide 102 is hinged to the lower end of the main support 101.

It can be understood that, in the case that the moving member 104 moves along the length direction of the main support 101, the moving member 104 brings the first connecting member 103 to fold or unfold relative to the guide member 102 to adjust the direction of the guide hole. Referring to the drawings, a guide hole is formed through the guide member 102 from the first end to the second end in the longitudinal direction thereof, and a puncture needle is inserted through the guide hole during an operation. Under the driving of the moving part 104 and the first connecting part 103, the second end of the guide part 102 swings up and down, and the second end of the guide part 102 rotates around the first end to adjust the puncture angle.

The positioning device includes a driving member 105, the driving member 105 is connected to the main supporting member 101, the moving member 104 is connected to the driving member 105, and the driving member 105 is used for driving the moving member 104 to reciprocate. Specifically, the driving member 105 drives the moving member 104 to reciprocate through a screw transmission.

With reference to the drawings, the driving member 105 is configured as an adjusting screw, two ends of the driving member 105 are respectively installed with the main supporting member 101, the driving member 105 is rotatable relative to the main supporting member 101, and the moving member 104 is sleeved on the driving member 105 by a threaded connection. Further, a handle 112 is provided at the upper end of the driving member 105 to rotate the driving member 105.

Referring to the drawings, the main support 101 is provided with a guide groove 106, the guide groove 106 is arranged along the length direction of the main support 101, and the moving member 104 drives the second end of the first connecting member 103 to reciprocate along the guide groove 106 through the moving part. Specifically, the main support 101 is provided with two opposite side walls, the two opposite side walls are respectively provided with a guide groove 106, two moving parts are provided, the two moving parts are respectively provided at two opposite sides of the moving member 104, and the moving parts move up and down along the guide grooves 106, so that the moving member 104 and the second end of the first connecting member 103 move smoothly.

In some examples, the moving part is provided as a pin, one end of the moving part hinges the first connecting part 103 to the moving part 104, and the other end of the moving part is used for sliding connection with the guide groove 106.

Of course, it is understood that, as an alternative, a structure for hinge joint is additionally provided between the first connecting member 103 and the moving member 104, and the moving portion is provided on the first connecting member 103 or the moving member 104.

To facilitate the control of the orientation of the guide 102, the guide 102 is provided with a marking line, which is a permanent laser mark, and the marking line is disposed along the length of the guide 102. Further, the positioning device comprises a first angle ruler 107, the first angle ruler 107 is arranged on the main support 101, and the first angle ruler 107 is used for measuring the rotation angle V of the guide 102 relative to the length direction of the main support 101, and the rotation angle is the puncture angle.

It can be understood that the marking line is disposed on the side of the guide member 102 facing or attached to the first angle ruler 107, and after external perspective during surgery, the marking line is used to read a rotation angle V on the first angle ruler 107 to achieve puncture positioning, and the rotation angle V corresponds to the puncture angle.

Further, the positioning device includes a first scale 108, one end of the first scale 108 is connected to the main support 101, and in the case that the main support 101 is arranged vertically, the first scale 108 is arranged horizontally. Specifically, in the case of external fluoroscopy, the adjustment guide 102 is rotated, and the length of the intersection point M of the marking line and the first scale 108 from the hinge point N of the guide 102 and the main support 101 at the projected position of the body surface is set to B, which is used for reading the distance B with the first scale 108.

Further, the positioning device includes a second scale 109, one end of the second scale 109 is connected with the main support 101, and in the case that the main support 101 is vertically arranged, the second scale 109 is horizontally arranged in combination with the drawings. Specifically, in the case of external perspective, the distance between the projected position a of the target point C on the body surface and the hinge point N is set to D, and the second scale 109 is used to read the distance D.

It can be understood that under the condition of external perspective during operation, the puncture angle V, the distance B and the distance D are read, the puncture vertical depth E can be obtained through calculation, and after the needle feeding point is determined, the puncture target position and the needle feeding point can be determined according to the puncture angle V and the puncture vertical depth E, so that puncture positioning is realized.

Referring to the drawings, the positioning device includes a base 110, a main supporting piece 101 is mounted on the base 110, specifically, a tapered mounting hole is provided in the middle of the base 110, a tapered shaft end is provided at the lower end of the main supporting piece 101, and the lower end of the main supporting piece 101 is connected to the mounting hole. Further, the base 110 is provided with a locking member 113 driven from a side wall of the mounting hole, and the locking member 113 is used to abut against a side surface of the lower end of the main support 101 so as to fixedly connect the main support 101 with the base 110, specifically, the locking member 113 is provided as a screw driven from the base 110 through the side wall of the mounting hole into the mounting hole.

Further, the position of the main support 101 on the base 110 can be adjusted by rotating around the longitudinal axis of the main support 101, and it can be understood that the main support 101 is fixed by the locking member 113 after the main support 101 is rotated to the proper position on the base 110.

It can be understood that the positioning device comprises a second angle ruler, which is arranged on the base 110 and is used for measuring the rotation angle of the main support piece 101 on the base 110, and in combination with the attached drawings, the side surface of the lower end of the main support piece 101 is provided with an indication mark so as to read the reading of the second angle ruler.

Referring to the drawings, the base 110 is provided with two indicating parts 111, the two indicating parts 111 are respectively used for pointing to the head and foot positions of the patient, specifically, the two indicating parts 111 are respectively arranged at opposite positions on the base 110, and the indicating parts 111 are formed by extending outwards at the edge of the base 110. Of course, it is understood that two indication marks may be alternatively disposed on the base 110, and the indication marks are arrows or figures.

Further, a horizontal scale 114 is provided on the main support 101, specifically, the horizontal scale 114 is provided at the top of the main support 101, and the horizontal scale 114 is used for detecting the perpendicularity of the axis in the length direction of the main support 101. Referring to the drawings, a plurality of horizontal adjusting members 115 are disposed on the base 110, and in some examples, four horizontal adjusting members 115 are disposed on the base 110, so that the level of the base 110, and therefore the verticality of the main support 101, can be adjusted by the horizontal adjusting members 115. Specifically, the horizontal adjustment member 115 is provided as a screw.

In the description herein, references to the terms "one embodiment," "some examples," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" or the like, if any, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A positioning device for puncture, characterized by: comprises that

A main support (101);

a guide member (102), wherein the guide member (102) is provided with a guide hole for puncture, and a first end of the guide member (102) is hinged with the main support member (101);

a first connecting piece (103), wherein a first end of the first connecting piece (103) is hinged with a second end of the guide piece (102);

the moving piece (104), the moving piece (104) is movably arranged on the main supporting piece (101), and the second end of the first connecting piece (103) is hinged with the moving piece (104);

the driving part (105), the driving part (105) is connected with the main supporting part (101), the moving part (104) is connected with the driving part (105), and the driving part (105) is used for driving the moving part (104) to reciprocate;

under the condition that the moving piece (104) moves along the length direction of the main supporting piece (101), the moving piece (104) drives the first connecting piece (103) to fold or unfold relative to the guide piece (102) so as to adjust the direction of the guide hole.

2. The positioning device for puncture according to claim 1, characterized in that: the main supporting piece (101) is provided with a guide groove (106), the guide groove (106) is arranged along the length direction of the main supporting piece (101), and the moving piece (104) drives the second end of the first connecting piece (103) to move back and forth along the guide groove (106) through a moving part.

3. The positioning device for puncture according to claim 1 or 2, characterized in that: the driving piece (105) drives the moving piece (104) to reciprocate through screw thread transmission.

4. The positioning device for puncture according to claim 1, wherein: the positioning device comprises a first angle ruler (107), the first angle ruler (107) is arranged on the main supporting piece (101), the guide hole penetrates through the guide piece (102) from a first end to a second end along the length direction of the guide piece, a marking line is arranged on the guide piece (102), the marking line is arranged along the length direction of the guide piece (102), and the first angle ruler (107) is used for measuring the rotation angle V of the guide piece (102) relative to the length direction of the main supporting piece (101).

5. The positioning device for puncture according to claim 4, characterized in that: the positioning device comprises a first graduated scale (108), one end of the first graduated scale (108) is connected with the main support piece (101), the guide piece (102) is adjusted in a rotating mode under the condition of external perspective, the length of a projection position of a crossing point M of the mark line and the first graduated scale (108) on the body surface from a hinge point N of the guide piece (102) and the main support piece (101) is set to be B, and the first graduated scale (108) is used for reading the distance B.

6. The positioning device for puncture according to claim 5, wherein: the positioning device comprises a second graduated scale (109), one end of the second graduated scale (109) is connected with the main support piece (101), under the condition of external perspective, the distance between the projection position A of the target point C on the body surface and the hinge point N is set to be D, and the second graduated scale (109) is used for reading the distance D.

7. The positioning device for puncture according to claim 1, characterized in that: the positioning device comprises a base (110), wherein the main supporting piece (101) is installed on the base (110), and the position of the main supporting piece (101) on the base (110) can be adjusted in a rotating mode around the axis of the length direction of the main supporting piece (101).

8. The positioning device for puncture according to claim 7, characterized in that: the positioning device comprises a second angle ruler which is arranged on the base (110) and is used for measuring the rotation angle of the main support piece (101) on the base (110).

9. The positioning device for puncture according to claim 7 or 8, wherein: the base (110) is provided with two indicating parts (111), and the two indicating parts (111) are respectively used for pointing to the head and foot positions of a patient.

10. The positioning device for puncture according to claim 1, characterized in that: the main supporting piece (101) is provided with a horizontal scale (114), and the horizontal scale (114) is used for detecting the perpendicularity of the axis in the length direction of the main supporting piece (101).