CN209884273U

CN209884273U - Spinal puncture positioning device

Info

Publication number: CN209884273U
Application number: CN201920322223.8U
Authority: CN
Inventors: 邢帅; 杨勇; 康学文
Original assignee: Lanzhou University Second Hospital
Current assignee: Lanzhou University Second Hospital
Priority date: 2019-03-14
Filing date: 2019-03-14
Publication date: 2020-01-03
Anticipated expiration: 2029-03-14

Abstract

The utility model discloses a spinal puncture positioner relates to porcelain medical equipment technical field. It comprises a base; the upper end of the telescopic rod is fixedly connected with a cross rod; the right end of the cross rod is fixedly connected with an arc-shaped positioning track; two ends of the positioning track are respectively and fixedly connected with a positioning guide pipe; a detection sliding block is sleeved on the horizontal positioning rod in a sliding manner; the side edge of each positioning guide pipe is respectively in threaded connection with at least two leveling bolts; a positioning slide block is sleeved on the positioning track in a sliding manner; the outer side end face of the positioning sliding block is in threaded connection with at least four adjusting bolts; two ends of the puncture track are respectively and fixedly connected with a puncture guide tube; one of the puncture guide tubes is internally connected with a distance measuring rod in a sliding way; a middle branch rod is fixed in the middle of the cambered surface on the inner side of the puncture track; an alignment auxiliary plate is fixed at the tail end of the middle dividing rod. The utility model has the advantages that: the puncture needle is convenient to detect and adjust, improves puncture accuracy, and is beneficial to improving the mental stability of an operator.

Description

Spinal puncture positioning device

Technical Field

The utility model relates to the technical field of medical equipment.

Background

When spinal puncture positioning is carried out, X-ray films are needed to carry out pre-puncture positioning or auxiliary confirmation in the puncture process. The patent document "spinal puncture positioning device" (CN104799916A) and the patent document "spinal puncture positioning device" (CN207707980U) respectively disclose and improve a puncture structure, and also disclose a puncture principle. There are still some problems. For example, when the two house-type rails are adjusted in a sliding manner, the deviation may be caused by a sliding structure and the like, and the deviation will be continuously aggravated after long-time use, and the large deviation causes that the two house-type rails cannot point to a circle center position at the same time, so that the puncture position is inaccurate; when carrying out the puncture needle and stinging, unable comparatively accurate perception depth of puncture, and pjncture needle puncture patient's health back, can't perceive the needle point position more and with the spine etc. the distance of pricking the point, especially to novice, can aggravate burden in the heart, influence performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the technique that exists is not enough to the aforesaid, provide a spinal puncture positioner. The puncture needle is convenient to detect and adjust, improves puncture accuracy, and is beneficial to improving the mental stability of an operator.

The utility model adopts the technical proposal that: a spinal puncture positioning device is provided, which comprises a base; the upper end of the base is fixed with a telescopic rod; the side part of the telescopic opening of the telescopic rod is in threaded connection with a locking bolt; the upper end of the telescopic rod is fixedly connected with a cross rod; the right end of the cross rod is fixedly connected with an arc-shaped positioning track; two ends of the positioning track are respectively and fixedly connected with a positioning guide pipe; the positioning guide pipes are internally and slidably connected with positioning rods; the pointing directions of the two positioning rods are mutually vertical; a detection sliding block is sleeved on the horizontal positioning rod in a sliding manner, and the detection sliding block is a cube; the side edge of each positioning guide pipe is respectively in threaded connection with at least two leveling bolts; a positioning slide block is sleeved on the positioning track in a sliding manner; the outer side end face of the positioning sliding block is in threaded connection with at least four adjusting bolts; the end surface of the inner side of the positioning slide block is fixedly connected with a bracket; the bracket is fixedly connected with an arc puncture track; the middle part of the outer cambered surface of the puncture track is fixedly connected with the bracket; the circle centers of the puncture track and the positioning track are the same point; two ends of the puncture track are respectively and fixedly connected with a puncture guide tube; the puncture guide tubes point to the circle center of the puncture track; one of the puncture guide tubes is internally connected with a distance measuring rod in a sliding way; the surface of the distance measuring rod is provided with scale marks; a middle branch rod is fixed in the middle of the cambered surface on the inner side of the puncture track; the middle branch rod points to the circle center position of the puncture track; the middle branch rod is of a telescopic structure; an alignment auxiliary plate is fixed at the tail end of the middle branch rod; the middle part of the alignment auxiliary plate is vertically connected with the middle dividing rod.

Further optimize this technical scheme, a spinal puncture positioner's location track is quarter circular-arc.

Further optimizes the technical proposal that the arc length of the puncture track of the spinal puncture positioning device is less than that of the positioning track.

Further optimize this technical scheme, a spinal puncture positioner's puncture track is not in the coplanar with the location track.

The utility model has the advantages that:

1. the positioning track and the puncture track can be conveniently tested to determine whether the positioning track and the puncture track are in the positions of concentric circles, so that the puncture positioning accuracy is improved, and meanwhile, the proper adjustment can be carried out. The depth required by puncture can be sensed conveniently, the puncture walking distance can be controlled in the manual puncture process, and the mental stability of an operator is improved;

the two positioning rods are respectively opposite to the marking positions and need to keep a mutually perpendicular relation, whether the two positioning rods are perpendicular or not can be conveniently observed through the attachment of the square detection sliding block, and the two positioning rods can be adjusted to be perpendicular through the leveling bolt;

the puncture track and the positioning track need to keep concentric circle positions, the puncture track needs to slide along the positioning track to adjust the puncture position, deviation may occur in the sliding process, the puncture track can be adjusted through an adjusting bolt, the concentric circle relationship is kept, and whether the puncture track is in a concentric circle can be judged through the distance measuring rod and the end point positions of the two positioning rods;

the middle dividing rod is positioned in the middle of the two puncture guide tubes, the alignment auxiliary plate can prompt the positions of the left side and the right side, the symmetrical positions of the left side and the right side of the alignment auxiliary plate are at the same distance from the circle center, and the depth required by puncture is prompted through the distance detection of the distance measuring rod (the depth is the alignment auxiliary plate as the initial position and includes but is not limited to subcutaneous thickness);

2. taking the circle center position of the positioning track as a puncture focus position, and taking the circle center of the positioning track as a determined circle center position;

3. the puncture track and the positioning track are not in the same plane and are staggered in a crossed manner, so that the puncture needle can conveniently enter the puncture guide tube.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the structure of the piercing rail of the present invention;

in the figure, 1, a base; 2. a telescopic rod; 3. locking the bolt; 4. a cross bar; 5. positioning the track; 6. positioning the guide tube; 7. positioning a rod; 8. detecting a slide block; 9. leveling bolts; 10. positioning the sliding block; 11. adjusting the bolt; 12. a support; 13. puncturing the track; 14. puncturing the guide tube; 15. a distance measuring pole; 16. scale lines; 17. a middle separation rod; 18. an alignment aid plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, a spinal puncture positioning device comprises a base 1; the upper end of the base 1 is fixed with a telescopic rod 2; the side part of the telescopic opening of the telescopic rod 2 is in threaded connection with a locking bolt 3; the upper end of the telescopic rod 2 is fixedly connected with a cross rod 4; the right end of the cross rod 4 is fixedly connected with an arc-shaped positioning track 5; two ends of the positioning track 5 are respectively and fixedly connected with a positioning guide pipe 6; positioning rods 7 are connected in the positioning guide tubes 6 in a sliding manner; the pointing directions of the two positioning rods 7 are mutually vertical; a detection sliding block 8 is sleeved on the horizontal positioning rod 7 in a sliding manner, and the detection sliding block 8 is a cube; the side edge of each positioning guide pipe 6 is respectively in threaded connection with at least two leveling bolts 9; a positioning slide block 10 is sleeved on the positioning track 5 in a sliding manner; the outer side end face of the positioning slide block 10 is in threaded connection with at least four adjusting bolts 11; the inner side end face of the positioning slide block 10 is fixedly connected with a bracket 12; the bracket 12 is fixedly connected with an arc-shaped puncture track 13; the middle part of the outer arc surface of the puncture track 13 is fixedly connected with the bracket 12; the circle centers of the puncture track 13 and the positioning track 5 are the same point; two ends of the puncture track 13 are respectively and fixedly connected with a puncture guide tube 14; the puncture guide tubes 14 all point to the circle center of the puncture track 13; one of the puncture guide tubes 14 is connected with a distance measuring rod 15 in a sliding way; the surface of the distance measuring rod 15 is provided with scale marks 16; a middle dividing rod 17 is fixed in the middle of the cambered surface on the inner side of the puncture track 13; the middle branch rod 17 points to the circle center position of the puncture track 13; the middle branch rod 17 is of a telescopic structure; an alignment auxiliary plate 18 is fixed at the tail end of the middle branch rod 17; the middle part of the alignment auxiliary plate 18 is vertically connected with the middle dividing rod 17; the positioning track 5 is in a quarter arc shape; the arc length of the puncture track 13 is smaller than that of the positioning track 5; the puncture track 13 is not in the same plane as the positioning track 5.

The patent documents "spinal puncture positioning device" (CN104799916A) and "spinal puncture positioning device" (CN207707980U) disclose some techniques in the art, such as disclosing the fixed point preparation work before puncture and puncture principle, so the two fixed points on the body surface of the patient, which are projected and positioned by X-ray film, are known points, and the utility model optimizes the structure. Both ends of the puncture track 13 and both ends of the positioning track 5 are arc-shaped end parts. The center of the positioning track 5 is taken as the center of a fixed point, the puncture track 13 and the positioning track 5 are positioned at the positions of concentric circles, the positioning rod 7 and the puncture guide tube 14 both point to the center of the circle, and the pointing to the center of the circle is along the radius direction. The circle of the arc-shaped structure is a known structure, and the inner side and the outer side can be divided into two description directions.

The utility model discloses when using, at first puncture angle modulation and to the heart detection regulation. The puncture angle of the puncture needle is the angle of the puncture guide tube 14, generally, the puncture angle can be estimated according to the need, and the precise puncture angle control is not needed, so that the slide block 10 can be slid to an angle. The two positioning rods 7 extend to the circle center position oppositely, the sliding detection sliding block 8 is close to the vertical positioning rod 7, the detection sliding block 8 is a cube, if the end face is tightly attached to the vertical positioning rod 7, the two positioning rods 7 are in a vertical relation, and meanwhile, whether the extending length of the two positioning rods is the same as the original radius length is observed, if the extending length of the two positioning rods is the same as the original radius length, the two positioning rods can still point to the circle center position, the fixed distance of the extending length can be determined through a conventional mark point, and scales do not need; if a large deviation occurs, the leveling bolt 9 can be used for adjustment to reset the positioning rod 7, and the leveling bolt 9 is used for adjustment through height extrusion at different point positions, and is a conventional adjustment mode. Then the end of the distance measuring rod 15 is extended to the center of the circle to observe whether the distance measuring rod accurately points to the center of the circle, and the puncture needle penetrates through the puncture guide tube 14 to observe whether the distance measuring rod points to the center of the circle before puncture, if obvious deviation occurs, the puncture track 13 can be adjusted through the adjusting bolt 11, and the puncture reaching position of the puncture needle is ensured to be the center of the circle. In a similar way, the adjusting bolt 11 is adjusted by the height extrusion adjustment of different point positions, and the principle and the adjusting mode are public technical means.

When puncture is carried out, the device is moved to the side of the body of a patient, the end parts of two positioning rods 7 are respectively aligned to two determined calibration points on the body of the patient, namely, the circle center position is positioned at the focus position of the spine, the distance measuring rod 15 is adjusted in a sliding way, the end part of the distance measuring rod 15 is enabled to be away from the skin surface of the patient, the distance from the end part of the distance measuring rod 15 to the circle center position at the moment can be read and calculated through scales on the distance measuring rod 15 (the distance from the end part of a puncture guide tube 14 to the circle center position is a fixed value), the sliding branch rod 17 is adjusted, one end of an alignment auxiliary plate 18 is aligned with the end part of the distance measuring rod 15, the distance from the end part of the alignment auxiliary plate 18 to the circle center is known, the symmetrical position points at the left side and the right side of the alignment auxiliary plate 18 are equal in length to the circle center, the, the length of the distance from the needle point position of the puncture needle to the circle center (namely the spine puncture position) can be known, so that the operator can enhance the grasping of the puncture depth through data perception, and the operation is more stable.

Need impale backbone partial structure at last because of the puncture operation, there is obvious operation to hinder the perception, consequently the utility model discloses make the depth that operating personnel accessible data perception needs to pierce, accomplish the heart several, can predict the position apart from backbone etc. at the in-process of piercing, the heart attitude can be more steady, and when stabbing the position, has obvious perception, so does not design the suggestion or the detection of operating depth when piercing. Certainly can be through setting up the scale suggestion on the pjncture needle, or supplementary ruler carries out the range finding and shows, and better realization distance is held.

The positioning rod 7, the positioning sliding block 10, the distance measuring rod 15 and other sliding connection structures are initially connected in an accurate matching mode, errors do not exist, and initially, an adjusting space can be reserved for later-stage deviation adjustment by means of participation of the leveling bolt 9 and the adjusting bolt 11. The utility model discloses in, the detection before the puncture is adjusted, only is used for adjusting behind the deviation and not need adjust at every turn, and the thing is good cooperation state promptly, uses for a long time etc. and can detect out and adjust after the formation deviation.

There can be certain deviation in general puncture operation process, the utility model discloses can detect and adjust work before the puncture, the controllable deviation of reduction that can be better, operate more safety and stability, and not the elimination deviation, consequently some accessible such as detect operation predict with the form that the range estimation was observed. If the condition of puncture position for needs ten minutes are accurate, then need more be accurate instrument, do not influence the utility model discloses a practicality.

Leveling bolts 9 are arranged on the side edges of the positioning guide pipes 6, can be arranged on the lower sides of the horizontal positioning guide pipes 6 and the right sides of the vertical positioning guide pipes 6, and mainly adjust the vertical relation of the planes. Leveling bolts 9 can be arranged on a plurality of side faces to realize all-around adjustment. Adjusting bolts 11 on the positioning sliding block 10 can be distributed according to four corner positions and can be used for realizing angle position locking.

The positioning slide block 10, the positioning rod 7, the distance measuring rod 15, the middle dividing rod 17 and the like can realize positioning by means of friction force. The middle branch rod 17 is a sleeved telescopic rod 2 structure and can slide and rotate at the same time, so that the alignment auxiliary plate 18 is staggered in the puncture direction, and the distance measurement prompt can be realized by pressing close.

The utility model discloses in, the setting track 5 sliding adjustment can be followed to puncture track 13 and support 12 fixed connection, and can not the autorotation regulation, satisfies general puncture angle demand, and the model setting that the accessible is different from the angle initial position of gyration to satisfy with more uses. On the premise of meeting the requirement of common puncture, the sliding connection structure is reduced, and the deviation caused by the sliding structure can be reduced.

Claims

1. The utility model provides a spinal puncture positioner which characterized in that: comprises a base (1); the upper end of the base (1) is fixed with a telescopic rod (2); the side part of the telescopic opening of the telescopic rod (2) is in threaded connection with a locking bolt (3); the upper end of the telescopic rod (2) is fixedly connected with a cross rod (4); the right end of the cross rod (4) is fixedly connected with an arc-shaped positioning track (5); two ends of the positioning track (5) are respectively and fixedly connected with a positioning guide pipe (6); positioning rods (7) are connected in the positioning guide tubes (6) in a sliding manner; the pointing directions of the two positioning rods (7) are mutually vertical; a detection sliding block (8) is sleeved on the horizontal positioning rod (7) in a sliding manner, and the detection sliding block (8) is a cube; the side edge of each positioning guide pipe (6) is respectively in threaded connection with at least two leveling bolts (9); a positioning slide block (10) is sleeved on the positioning track (5) in a sliding manner; the outer side end face of the positioning slide block (10) is in threaded connection with at least four adjusting bolts (11); the inner side end surface of the positioning slide block (10) is fixedly connected with a bracket (12); the bracket (12) is fixedly connected with an arc puncture track (13); the middle part of the outer cambered surface of the puncture track (13) is fixedly connected with the bracket (12); the circle centers of the puncture track (13) and the positioning track (5) are the same point; two ends of the puncture track (13) are respectively and fixedly connected with a puncture guide tube (14); the puncture guide tubes (14) point to the circle center of the puncture track (13); one puncture guide tube (14) is connected with a distance measuring rod (15) in a sliding way; scale marks (16) are arranged on the surface of the distance measuring rod (15); a middle branch rod (17) is fixed in the middle of the cambered surface on the inner side of the puncture track (13); the middle branch rod (17) points to the circle center position of the puncture track (13); the middle branch rod (17) is of a telescopic structure; an alignment auxiliary plate (18) is fixed at the tail end of the middle dividing rod (17); the middle part of the alignment auxiliary plate (18) is vertically connected with the middle branch rod (17).

2. The spinal puncture positioning device of claim 1, wherein: the positioning track (5) is in a shape of a quarter of a circular arc.

3. The spinal puncture positioning device of claim 1, wherein: the arc length of the puncture track (13) is smaller than that of the positioning track (5).

4. The spinal puncture positioning device of claim 1, wherein: the puncture track (13) and the positioning track (5) are not in the same plane.