CN215778483U - Puncture auxiliary positioning device - Google Patents

Abstract

The utility model discloses a puncture auxiliary positioning device, which relates to the technical field of medical instruments and comprises an annular base, a positioning frame, a movable plate, a stable structure for improving stability, a limiting structure for conveniently adjusting an angle and a fixing structure for conveniently fixing a puncture needle, wherein a fixing frame is arranged inside the annular base, a calibration hole is arranged at the middle position of the top end of the fixing frame, the stable structure is arranged at the bottom ends of two sides of the annular base, an arc-shaped groove is formed in the top end of the annular base, a T-shaped block is connected to the top end of the annular base inside the arc-shaped groove in a sliding mode, a pointer is arranged at one end of the bottom end of the T-shaped block, and the limiting structure is arranged at one end, far away from the pointer, of the bottom end of the T-shaped block. The utility model adjusts and locks the puncture angle by the sliding of the T-shaped block and the rotation of the screw rod through the arrangement of the limiting structure, and the structure has simple operation and greatly increases the practicability.

Description

Puncture auxiliary positioning device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a puncture auxiliary positioning device.

Background

The puncture is a diagnosis and treatment technology that a puncture needle is punctured into a body cavity to extract secretion for testing, gas or contrast medium is injected into the body cavity to perform contrast examination, or medicine is injected into the body cavity.

Through retrieval, chinese patent No. CN211583399U, publication No. 2020, 9/29, discloses an auxiliary positioning device for CT puncture, and it is proposed herein that "the rotating rod 7 is rotatably connected to the surface of the rotating shaft 3 and located above the limiting disc 4, the injection hole 8 is formed in the surface of the rotating rod 7, five injection holes 8 are formed in the rotating rod 7 at equal intervals in the vertical direction, the bottom of the injection hole 8 is movably connected with the puncture tube 13", the puncture needle is driven to rotate by the rotation of the puncture tube, the puncture angle cannot be well adjusted, and further research is conducted, and a tunnel is generated by the present case.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a puncture auxiliary positioning device to solve the problem that the puncture angle is inconvenient to adjust in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a puncture auxiliary positioning device comprises an annular base, a positioning frame and a movable plate, and further comprises a stable structure for improving stability, a limiting structure for facilitating angle adjustment and a fixing structure for facilitating fixing of a puncture needle, wherein a fixing frame is arranged inside the annular base, a calibration hole is arranged in the middle of the top end of the fixing frame, and the stable structure is arranged at the bottom ends of two sides of the annular base;

the top end of the annular base is provided with an arc-shaped groove, the top end of the annular base inside the arc-shaped groove is connected with a T-shaped block in a sliding mode, one end of the bottom end of the T-shaped block is provided with a pointer, and the limiting structure is arranged at one end, far away from the pointer, of the bottom end of the T-shaped block;

the locating hole has been seted up to one side on T-shaped piece top, and the inside mounting groove of having seted up of T-shaped piece of locating hole one side, fixed knot constructs and sets up in the inside of mounting groove.

Preferably, limit structure includes the fixed plate, the fixed plate sets up in the one end that the pointer was kept away from to T-shaped piece bottom, and the intermediate position department that the fixed plate kept away from locating hole one end installs the screw thread seat, the inside of screw thread seat runs through the lead screw that has and screw thread seat matched with, the one end of lead screw runs through the fixed plate, and the one end of lead screw rotates and is connected with the movable plate, the equidistant rubber arch of installing in the one end that the lead screw was kept away from to the movable plate.

Preferably, firm structure includes elongated plate, locating plate, thread groove and screw bolt, the locating plate sets up in the bottom of annular base both sides, and the locating plate top is kept away from annular base's one side and is run through threaded bolt, the inside both ends sliding connection of locating plate has elongated plate, and elongated plate's top is equidistant to have seted up the thread groove.

Preferably, the threaded bolt extends into the threaded groove on the top end side of the lengthened plate, and the internal thread of the threaded groove is matched with the external thread of the threaded bolt.

Preferably, the positioning frame is arc-shaped, and the circle center of the positioning frame and the circle center of the calibration hole are on the same vertical line.

Preferably, fixed knot constructs including two-way threaded rod, rubber slab, connecting rod and screw thread piece, two-way threaded rod passes through the bearing and sets up in the inside one end of mounting groove, and the one end of two-way threaded rod runs through T-shaped piece lateral wall, the both sides cover on two-way threaded rod surface is equipped with two-way threaded rod assorted screw thread piece, and the screw thread piece keeps away from the one end and the inside one end sliding connection of mounting groove of locating hole, the screw thread piece is close to the one end of locating hole and installs the connecting rod, and the rubber slab is installed to one side that the connecting rod is adjacent.

Preferably, the connecting rod is L-shaped, and the rubber plates are symmetrically distributed about a vertical central axis of the positioning hole.

Compared with the prior art, the puncture auxiliary positioning device provided by the utility model has the following beneficial effects:

1. the utility model provides a positioning frame, a T-shaped block, a screw rod, a pointer, a thread seat, a movable plate and a rubber bulge, wherein the T-shaped block is connected with the positioning frame in a sliding manner and slides leftwards or rightwards, accurate angle data can be read through the pointer;

2. the utility model provides a lengthened plate, a thread groove and a thread bolt, wherein the thread bolt is firstly rotated and screwed off by utilizing the thread matching of the thread bolt and the thread groove, the lengthened plate is pulled out to a proper length, then the thread bolt is put back to the original position and screwed into the thread groove at the corresponding position to fix the lengthened plate, and then the device is placed on the puncture part of a patient, the contact area between the device and the epidermis of the patient is increased through the lengthened plate, the stability of the device during use is improved, and the problem of poor stability is solved;

3. the utility model provides a bidirectional threaded rod, a rubber plate, a connecting rod and a thread block, wherein the thread blocks are mutually closed by utilizing the rotation of the bidirectional threaded rod, and the thread block drives the connecting rod and the rubber plate to be closed towards the direction of a puncture needle and fixes the puncture needle between the rubber plates, so that the puncture needle is fixed, a doctor can conveniently vacate the hand for puncturing the needle to perform other operations, the convenience is improved, the situation that the puncture needle is displaced in a patient body can be prevented, and the problem of displacement of the puncture needle is solved.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic top cross-sectional view of the present invention;

FIG. 3 is a schematic rear view of the cross-sectional structure of the present invention;

FIG. 4 is a schematic side sectional view of the present invention;

FIG. 5 is a schematic top view of the fixing frame of the present invention;

FIG. 6 is a schematic view of a partial top cross-sectional structure of the present invention;

FIG. 7 is a partial side view cross-sectional structure of the present invention.

In the figure: 1. a stable structure; 101. a lengthening plate; 102. positioning a plate; 103. a thread groove; 104. a threaded bolt; 2. an annular base; 3. a fixed mount; 4. calibrating the hole; 5. a positioning frame; 6. a fixing plate; 7. a T-shaped block; 8. mounting grooves; 9. a fixed structure; 901. a bidirectional threaded rod; 902. a rubber plate; 903. a connecting rod; 904. a thread block; 10. a screw rod; 11. an arc-shaped slot; 12. a pointer; 13. a threaded seat; 14. positioning holes; 15. moving the plate; 16. and (4) rubber bulges.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-7, an auxiliary positioning device for puncture comprises an annular base 2, a positioning frame 5, a movable plate 15, a stabilizing structure 1 for improving stability, a limiting structure for facilitating angle adjustment, and a fixing structure 9 for facilitating fixing of a puncture needle, wherein a fixing frame 3 is arranged inside the annular base 2, a calibration hole 4 is arranged in the middle of the top end of the fixing frame 3, and the stabilizing structure 1 is arranged at the bottom ends of two sides of the annular base 2;

an arc-shaped groove 11 is formed in the top end of the annular base 2, a T-shaped block 7 is connected to the top end of the annular base 2 inside the arc-shaped groove 11 in a sliding mode, a pointer 12 is installed at one end of the bottom end of the T-shaped block 7, and a limiting structure is arranged at one end, far away from the pointer 12, of the bottom end of the T-shaped block 7;

one side of the top end of the T-shaped block 7 is provided with a positioning hole 14, an installation groove 8 is formed in the T-shaped block 7 on one side of the positioning hole 14, and the fixing structure 9 is arranged in the installation groove 8;

the positioning frame 5 is arc-shaped, and the circle center of the positioning frame 5 and the circle center of the calibration hole 4 are on the same vertical line;

referring to fig. 1-7, the puncture auxiliary positioning device further comprises a limiting structure, the limiting structure comprises a fixing plate 6, the fixing plate 6 is arranged at one end, far away from a pointer 12, of the bottom end of the T-shaped block 7, a threaded seat 13 is arranged at the middle position, far away from one end of the positioning hole 14, of the fixing plate 6, a screw rod 10 matched with the threaded seat 13 penetrates through the threaded seat 13, one end of the screw rod 10 penetrates through the fixing plate 6, a moving plate 15 is rotatably connected to one end of the screw rod 10, and rubber bulges 16 are arranged at equal intervals at one end, far away from the screw rod 10, of the moving plate 15;

specifically, as shown in fig. 1, fig. 2, fig. 4, fig. 6 and fig. 7, according to the required puncture angle of the patient, the T-shaped block 7 is slid leftwards or rightwards, the accurate angle data can be read by the pointer 12, after the T-shaped block 7 is slid to the required angle position, the screw rod 10 is rotated, the screw rod 10 drives the rubber protrusion 16 to move towards the positioning frame 5 under the action of the screw seat 13 until the rubber protrusion is attached to the positioning frame 5, so that the T-shaped block 7 is fixed, the rubber protrusion 16 increases the friction force between the moving plate 15 and the positioning frame 5, the sliding offset of the T-shaped block 7 is effectively prevented, the puncture angle can be conveniently adjusted through the cooperation of the T-shaped block 7 and the screw rod 10, the operation is simple, and the practicability is greatly increased.

Example 2: the stabilizing structure 1 comprises an elongated plate 101, a positioning plate 102, a threaded groove 103 and threaded bolts 104, wherein the positioning plate 102 is arranged at the bottom ends of the two sides of the annular base 2, the threaded bolts 104 penetrate through one side, away from the annular base 2, of the top end of the positioning plate 102, the two ends inside the positioning plate 102 are connected with the elongated plate 101 in a sliding mode, and the threaded grooves 103 are formed in the top end of the elongated plate 101 at equal intervals;

the threaded bolt 104 extends into the threaded groove 103 on the top side of the elongated plate 101, and the internal thread of the threaded groove 103 is matched with the external thread of the threaded bolt 104;

specifically, as shown in fig. 1, 2, 3 and 4, after the screw bolt 104 is unscrewed and the elongated plate 101 is pulled out to a proper length, the screw bolt 104 is put back to the original position and screwed into the screw groove 103 at the corresponding position to fix the elongated plate 101, and then the device is placed on the puncture site of the patient, and the contact area between the device and the epidermis of the patient is increased through the elongated plate 101, so that the stability of the device in use is improved.

Example 3: the fixing structure 9 comprises a bidirectional threaded rod 901, a rubber plate 902, a connecting rod 903 and a threaded block 904, the bidirectional threaded rod 901 is arranged at one end inside the mounting groove 8 through a bearing, one end of the bidirectional threaded rod 901 penetrates through the side wall of the T-shaped block 7, the threaded block 904 matched with the bidirectional threaded rod 901 is sleeved on two sides of the surface of the bidirectional threaded rod 901, one end, far away from the positioning hole 14, of the threaded block 904 is connected with one end inside the mounting groove 8 in a sliding mode, the connecting rod 903 is arranged at one end, close to the positioning hole 14, of the threaded block 904, and the rubber plate 902 is arranged on one side, adjacent to the connecting rod 903;

the connecting rod 903 is L-shaped, and the rubber plates 902 are symmetrically distributed about the vertical central axis of the positioning hole 14;

specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 6 and fig. 7, the bidirectional threaded rod 901 is rotated to make the thread blocks 904 approach each other, the thread blocks 904 drive the connecting rod 903 and the rubber plate 902 to approach in the direction of the puncture needle and fix the puncture needle between the rubber plates 902, so that the puncture needle is fixed, a doctor can conveniently perform other operations by vacating the hand for puncturing the needle, the situation that the puncture needle is displaced in the body of a patient can be prevented while convenience is increased, and the rubber plate 902 can be loosened by reversely rotating the bidirectional threaded rod 901 to facilitate taking out of the puncture needle.

The working principle is as follows: when the device is used, the device is firstly placed on a part needing puncture of a patient, so that the bottom end of the annular base 2 is attached to the epidermis, and the calibrated holes 4 are kept right above the marked puncture holes, so that the puncture holes are convenient to expose;

the first innovation point implementation step:

the first step is as follows: if the patient is subjected to spinal puncture or other puncture with large exposed area, the threaded bolt 104 can be screwed off in a rotating way;

the second step is that: after the lengthened plate 101 is pulled out to a proper length, the threaded bolt 104 is put back to the original position and screwed into the threaded groove 103 at the corresponding position to fix the lengthened plate 101;

the third step: the device is placed on the puncture site of the patient, and the contact area of the device and the epidermis of the patient is increased through the lengthened plate 101, so that the stability of the device in use is improved.

The implementation step of the second innovation point:

the first step is as follows: according to the puncture angle required by the patient, the T-shaped block 7 is slid leftwards or rightwards, and the accurate angle data can be read through the pointer 12;

the second step is that: after the T-shaped block 7 is slid to a required angle position, the screw rod 10 is rotated;

the third step: the lead screw 10 drives the rubber bulge 16 to move towards the direction of the positioning frame 5 through the threaded seat 13 until being laminated with the positioning frame 5, so that the T-shaped block 7 is fixed, the rubber bulge 16 increases the friction force between the movable plate 15 and the positioning frame 5, the sliding deviation of the T-shaped block 7 is effectively prevented, the angle of puncture is convenient to adjust through the cooperation of the T-shaped block 7 and the lead screw 10, the operation is simple, and the practicability is greatly increased.

The third innovation point implementation step:

the first step is as follows: after the puncture needle penetrates through the positioning hole 14 and the calibration hole 4 and is inserted into the body of a patient, the bidirectional threaded rod 901 is rotated to enable the thread blocks 904 to be close to each other;

the second step is that: the thread block 904 drives the connecting rod 903 and the rubber plate 902 to be close to each other in the direction of the puncture needle and fixes the puncture needle between the rubber plates 902, so that the puncture needle is fixed, a doctor can conveniently vacate the hand for puncturing the needle to perform other operations, convenience is improved, and the situation that the puncture needle is displaced in a patient body can be prevented;

the third step: after the puncture and the corresponding treatment operation are finished, the rubber plate 902 can release the puncture needle by reversely rotating the bidirectional threaded rod 901, so that the puncture needle is convenient to take out.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a puncture auxiliary positioning device, includes annular base (2), locating rack (5) and movable plate (15), its characterized in that: the puncture needle fixing structure also comprises a stable structure (1) for improving the stability, a limiting structure for facilitating angle adjustment and a fixing structure (9) for facilitating fixing the puncture needle;

a fixing frame (3) is arranged inside the annular base (2), a calibration hole (4) is arranged in the middle of the top end of the fixing frame (3), and the stabilizing structure (1) is arranged at the bottom ends of the two sides of the annular base (2);

an arc-shaped groove (11) is formed in the top end of the annular base (2), a T-shaped block (7) is connected to the top end of the annular base (2) inside the arc-shaped groove (11) in a sliding mode, a pointer (12) is installed at one end of the bottom end of the T-shaped block (7), and the limiting structure is arranged at one end, far away from the pointer (12), of the bottom end of the T-shaped block (7);

locating hole (14) have been seted up to one side on T-shaped piece (7) top, and the inside mounting groove (8) of having seted up of T-shaped piece (7) on locating hole (14) one side, fixed knot constructs (9) and sets up in the inside of mounting groove (8).

2. A puncture assisting positioning device according to claim 1, wherein: limiting structure includes fixed plate (6), fixed plate (6) set up in the one end of keeping away from pointer (12) in T-shaped piece (7) bottom, and fixed plate (6) keep away from the intermediate position department of locating hole (14) one end and install screw thread seat (13), the inside of screw thread seat (13) is run through have with screw thread seat (13) assorted lead screw (10), the one end of lead screw (10) runs through fixed plate (6), and the one end of lead screw (10) rotates and is connected with movable plate (15), the equidistant rubber arch (16) of installing in the one end that lead screw (10) were kept away from in movable plate (15).

3. A puncture assisting positioning device according to claim 1, wherein: firm structure (1) is including elongated plate (101), locating plate (102), thread groove (103) and screw bolt (104), locating plate (102) set up in the bottom of annular base (2) both sides, and one side that annular base (2) were kept away from on locating plate (102) top runs through threaded bolt (104), the inside both ends sliding connection of locating plate (102) has elongated plate (101), and the top of elongated plate (101) is equidistant threaded groove (103) of having seted up.

4. A lancing aid in accordance with claim 3 wherein: the threaded bolt (104) extends to the inside of a threaded groove (103) on one side of the top end of the lengthened plate (101), and the internal thread of the threaded groove (103) is matched with the external thread of the threaded bolt (104).

5. A puncture assisting positioning device according to claim 1, wherein: the positioning frame (5) is arc-shaped, and the circle center of the positioning frame (5) and the circle center of the calibration hole (4) are on the same vertical line.

6. A puncture assisting positioning device according to claim 1, wherein: fixed knot constructs (9) and includes two-way threaded rod (901), rubber slab (902), connecting rod (903) and screw block (904), two-way threaded rod (901) set up in the inside one end of mounting groove (8) through the bearing, and the one end of two-way threaded rod (901) runs through T-shaped piece (7) lateral wall, the both sides cover on two-way threaded rod (901) surface is equipped with two-way threaded rod (901) assorted screw block (904), and screw block (904) keep away from the one end and the inside one end sliding connection of mounting groove (8) of locating hole (14), connecting rod (903) are installed to the one end that screw block (904) are close to locating hole (14), and rubber slab (902) are installed to the adjacent one side of connecting rod (903).

7. A lancing aid in accordance with claim 6, wherein: the connecting rod (903) is L-shaped, and the rubber plates (902) are symmetrically distributed around the vertical central axis of the positioning hole (14).

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