CN210056253U

CN210056253U - Body surface positioning device convenient for clinician to operate CT guided puncture

Info

Publication number: CN210056253U
Application number: CN201920307562.9U
Authority: CN
Inventors: 崔新文; 辛全亮
Original assignee: 崔新文
Current assignee: Rizhao women's and children's Hospital (Rizhao maternal and child health care hospital, Rizhao maternal and child health and family planning service center)
Priority date: 2019-03-12
Filing date: 2019-03-12
Publication date: 2020-02-14
Anticipated expiration: 2029-03-12

Abstract

The utility model discloses a body surface positioner convenient to puncture under clinician's operation CT guide, comprising a supporting seat, first spout has all been seted up along the fore-and-aft direction to the left and right sides central point of supporting seat position, a plurality of jack has been seted up in the past to the back in the inboard of first spout in succession, the inner chamber of first spout is embedded to have first slider, the outside of first slider is extended first spout welding and is had the rectangle case, the second spout has all been seted up along left right direction at both ends about the inner chamber of rectangle case, the inner chamber of second spout is embedded to have the second slider, the inboard welding of second slider has the connecting plate that links to each other two second sliders. This body surface positioner convenient to puncture under clinician's operation CT guide can be accurate pierce the patient's health with best puncture point and best puncture angle, and the CT scanning of being convenient for is the puncture treatment or the biopsy of location, has improved the success rate of puncture one-tenth, is favorable to extensively promoting.

Description

Body surface positioning device convenient for clinician to operate CT guided puncture

Technical Field

The utility model relates to a CT guide puncture technical field specifically is a body surface positioner convenient to puncture under clinician's operation CT guide.

Background

The puncture biopsy under the guidance of CT is a common method for diagnosing and treating lung diseases, the diagnosis of certain lung lesions can be achieved only by sampling and biopsy aiming at the lesions by utilizing puncture, in the prior art, doctors can find out the optimal puncture point and puncture angle under the guidance of a cursor after CT scanning, the doctor can only rely on the experience and hand feeling of the doctor when entering the needle, the doctor cannot accurately puncture the patient body by the optimal puncture point and the optimal puncture angle, the puncture treatment or biopsy taking the CT scanning as the positioning is inconvenient, the puncture success rate is reduced, and the method is not favorable for wide popularization.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a body surface positioner convenient to puncture under clinician's operation CT guide to solve the problem that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a body surface positioning device convenient for a clinician to operate CT guided puncture comprises a supporting seat, wherein the left and right central positions of the supporting seat are respectively provided with a first sliding chute along the front and back directions, the inner side of the first sliding chute is continuously provided with a plurality of jacks from front to back, a first sliding block is embedded in the inner cavity of the first sliding chute, the outer side of the first sliding block extends out of the first sliding chute and is welded with a rectangular box, the upper and lower ends of the inner cavity of the rectangular box are respectively provided with a second sliding chute along the left and right directions, a second sliding block is embedded in the inner cavity of the second sliding chute, the inner side of the second sliding block is welded with a connecting plate connecting the two second sliding blocks, the left central position of the connecting plate is coupled with an inserted bar capable of rotating around the axis of the connecting plate, the right side of the inserted bar sequentially penetrates through the connecting plate, the rectangular box and the second sliding block, the left side and the right side of the spring are respectively clamped with the connecting plate and the rectangular box, the central position of the outer side of the rectangular box is provided with a strip-shaped opening along the front-back direction, the left side of the inserted rod extends out of the strip-shaped opening and is welded with a circular ring, the left side of the outer wall of the inserted rod is welded with a fixture block, the fixture block is propped against the left side of the inner cavity of the rectangular box under the action of external force of the spring, the central position of the top end of the rectangular box is welded with a first screw rod, the top end of the first screw rod is welded with a stop block, the outer wall of the first screw rod is screwed with a threaded cylinder, the outer wall of the threaded cylinder is welded with a handle, the outer wall of the first screw rod is sleeved with a concave plate connecting the two first screw rods, the concave plate is lapped to the top end of the threaded cylinder, the bottom end of the front side of the concave plate is welded, the inner chamber of the third chute is embedded with a third slider, the front side of the third slider extends out of the third chute and is welded with a rectangular block, the front side center position of the rectangular block is provided with an outer barrel of a free pause rotating shaft in interference fit, the inner barrel of the free pause rotating shaft is provided with a rotating rod in interference fit, the front side of the rotating rod extends out of the free pause rotating shaft and is welded with a sleeve, the front side of the sleeve is welded with a round rod, the front side of the round rod extends out of a protractor, the front side of the outer wall of the round rod is over-fitted with a pointer which is fitted with the protractor, the left side of the inner chamber of the concave plate is journaled with a second screw rod which can rotate around the axis of the concave plate, the right side of the second screw rod penetrates through the rectangular block and is axially connected with the concave plate, the second screw rod is in threaded connection with the rectangular block, the left side of, the top end of the supporting plate is connected with a rocker capable of rotating around the axis of the rocker, and the bottom end of the rocker extends to the inner cavity of the concave plate and is welded with a second gear meshed with the first gear.

Preferably, the distance between the connecting plate and the strip-shaped opening is greater than the distance between the insertion rod penetrating through the first sliding block and extending to the insertion hole.

Preferably, the outer wall of the inserted link is welded with two clamping blocks, and the two clamping blocks are respectively arranged on the circumference of the outer wall of the inserted link at intervals of 180 degrees clockwise.

Preferably, the height of the strip-shaped opening is larger than the width of the fixture block, and the width of the strip-shaped opening is larger than the vertical distance between the outer sides of the two fixture blocks.

Preferably, the joint of the clamping groove at the top end of the concave frame and the protractor is in a dovetail shape.

Compared with the prior art, the beneficial effects of the utility model are that: the body surface positioning device convenient for a clinician to operate CT guided puncture can drive the inserted link and the clamping block to rotate by rotating the ring, so that the clamping block is overlapped with the strip-shaped opening, the ring is loosened, the connecting plate, the inserted link and the clamping block can be driven to move outwards by the external force of the spring, the clamping block is moved out of the inner cavity of the rectangular box, the inserted link is separated from the jack and the first sliding block, the rectangular box can drive the concave plate, the rectangular block and the sleeve to move forwards or backwards by the first screw rod, the sleeve can move forwards or backwards to the position corresponding to the optimal puncture point on the body surface of a patient, the ring is pushed and rotated inwards, the clamping block can move to the inner cavity of the rectangular box and be mutually staggered with the strip-shaped opening, the inserted link is inserted into the jack at the corresponding position by the first sliding block, and the clamping block can be abutted to the inner wall of the rectangular box by the external force of the, the inserted bar and the rectangular box are fixed, the rocker can drive the first gear and the second screw rod to rotate through the second gear by rotating the rocker, the rectangular block and the sleeve can move leftwards or rightwards through the screwed fit of the second screw rod and the rectangular block, the sleeve corresponds to the transverse direction of the optimal puncture point, the sleeve can be conveniently stopped automatically after being rotated under the action of external force by matching between the free pause rotating shaft and the rotating rod, the sleeve can be rotated to correspond to the optimal puncture angle by rotating the sleeve, the threaded barrel can be moved upwards or downwards through the screwed fit of the threaded barrel and the first screw rod when being rotated by the handle, the concave plate and the sleeve can be conveniently moved downwards to be attached to the puncture point on the body surface of a patient, a doctor can conveniently insert a puncture needle from the sleeve and puncture the patient through the sleeve, therefore, the puncture needle can be accurately punctured into the body of a patient by the optimal puncture point and the optimal puncture angle, is convenient for puncture treatment or biopsy for positioning by CT scanning, improves the success rate of puncture, and is beneficial to wide popularization.

Drawings

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

fig. 2 is an enlarged schematic view of the utility model at a;

FIG. 3 is a schematic top view of a portion of the concave plate of the present invention;

fig. 4 is a schematic top view of the concave plate of the present invention.

In the figure: 1. the support base, 2, the first sliding groove, 3, the jack, 4, the first slider, 5, the rectangular box, 6, the second sliding groove, 7, the second slider, 8, the connecting plate, 9, the inserted link, 10, the spring, 11, the strip-shaped opening, 12, the clamping block, 13, the first screw rod, 14, the stop block, 15, the threaded cylinder, 16, the handle, 17, the concave plate, 18, the concave frame, 19, the protractor, 20, the third sliding groove, 21, the third slider, 22, the rectangular block, 23, the free pause rotating shaft, 24, the rotating rod, 25, the sleeve, 26, the round rod, 27, the pointer, 28, the second screw rod, 29, the first gear, 30, the support plate, 31, the rocker, 32 and the second gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a body surface positioning device convenient for a clinician to operate CT guided puncture comprises a supporting seat 1, wherein the center positions of the left side and the right side of the supporting seat 1 are respectively provided with a first sliding chute 2 along the front-back direction, the inner side of the first sliding chute 2 is continuously provided with a plurality of jacks 3 from the front to the back, a first sliding block 4 is embedded in the inner cavity of the first sliding chute 2, the outer side of the first sliding block 4 extends out of the first sliding chute 2 and is welded with a rectangular box 5, through the matching of the first sliding chute 2 and the first sliding block 4, the rectangular box 5 can conveniently move forwards or backwards, the upper end and the lower end of the inner cavity of the rectangular box 5 are respectively provided with a second sliding chute 6 along the left-right direction, the inner cavity of the second sliding chute 6 is embedded with a second sliding block 7, the inner side of the second sliding block 7 is welded with a connecting plate 8 connecting the two second sliding blocks 7, through the matching of the second, meanwhile, the connecting plate 8 is limited, the rotation of the connecting plate 8 is avoided, an inserted rod 9 capable of rotating around the axis of the inserted rod is connected to the center position of the left side of the connecting plate 8 in a shaft connection mode, the right side of the inserted rod 9 sequentially penetrates through the connecting plate 8, the rectangular box 5 and the second sliding block 7 and extends to the inner cavity of the jack 3, a spring 10 is sleeved on the outer wall of the inserted rod 9, a compression spring with the elastic coefficient of 18N/CM is arranged on the spring 10, the spring 10 generates elastic deformation after being stretched or extruded and is restored to an initial state after external force is removed, the left side and the right side of the spring 10 are respectively clamped with the connecting plate 8 and the rectangular box 5, a strip-shaped opening 11 is formed in the center position of the outer side of the rectangular box 5 in the front-back direction, a circular ring is welded on the strip-shaped opening 11 extending out of the left side of the, the insertion rod 9 and the fixture block 12 can be conveniently moved through the strip-shaped opening 11, the fixture block 12 can be abutted against the inner wall of the rectangular box 5 through the spring 10, the insertion rod 9 is fixed, the first screw 13 is welded at the center position of the top end of the rectangular box 5, the stop block 14 is welded at the top end of the first screw 13, the threaded cylinder 15 is screwed on the outer wall of the first screw 13, the threaded cylinder 15 can move upwards or downwards along the outer wall of the first screw 13 while rotating through the screw connection matching of the threaded cylinder 15 and the first screw 13, the grip 16 is welded on the outer wall of the threaded cylinder 15, the concave plate 17 connecting the two first screws 13 is sleeved on the outer wall of the first screw 13, the concave plate 17 is overlapped to the top end of the threaded cylinder 15, the concave plate 17 can be limited through the stop block 14, the concave frame 18 is welded at the bottom end of the front side of the concave plate 17, the protractor 19 is inserted and connected at the clamping groove at the top end of, the rear side of the inner cavity of the concave plate 17 is provided with a third sliding groove 20 along the left-right direction, the inner cavity of the third sliding groove 20 is embedded with a third sliding block 21, the front side of the third sliding block 21 extends out of the third sliding groove 20 and is welded with a rectangular block 22, the rectangular block 22 can stably move leftwards or rightwards through the matching of the third sliding groove 20 and the third sliding block 21, the center position of the front side of the rectangular block 22 is in interference fit with an outer cylinder of a free pause rotating shaft 23, the inner cylinder of the free pause rotating shaft 23 is in interference fit with a rotating rod 24, the front side of the rotating rod 24 extends out of the free pause rotating shaft 23 and is welded with a sleeve 25, the model of the free pause rotating shaft 23 is RKM6050-6050A-115TM, the sleeve 25 can automatically stop and fix after rotating under the action of external force through the free pause rotating shaft 23, the front side of the sleeve 25 is welded with a round rod 26, the front side of the round rod 26 is provided with an extending protractor 19, the angle of the sleeve 25 can be conveniently displayed through the protractor 19 and the pointer 27, the left side of the inner cavity of the concave plate 17 is coupled with a second screw 28 capable of rotating around the axis of the second screw, the right side of the second screw 28 penetrates through the rectangular block 22 to be coupled with the concave plate 17, the second screw 28 is in threaded connection with the rectangular block 22, the second screw 28 can be driven to move leftwards or rightwards when rotating, a first gear 29 is in interference fit with the left side of the outer wall of the second screw 28, a support plate 30 is welded on the left side of the top end of the concave plate 17, a rocker 31 capable of rotating around the axis of the support plate 30 is coupled with the top end of the support plate 30, and the bottom end of the rocker 31 extends to the inner cavity of the concave plate 17 and is welded with a second gear 32 engaged with.

Preferably, the distance between the connecting plate 8 and the strip-shaped opening 11 is greater than the distance between the insertion rod 9 penetrating through the first sliding block 4 and extending to the insertion hole 3, so that the insertion rod 9 can be completely separated from the first sliding groove 4 and the insertion hole 3.

Preferably, two blocks 12 are welded to the outer wall of the insertion rod 9, and the two blocks 12 are respectively arranged on the circumference of the outer wall of the insertion rod 9 at intervals of 180 degrees clockwise, so that the insertion rod 9 can be conveniently fixed by the two blocks 12.

Preferably, the height of the strip-shaped opening 11 is larger than the width of the latch 12, and the width of the strip-shaped opening 11 is larger than the vertical distance between the outer sides of the two latches 12, so as to ensure that the latches 12 can abut against the inner wall of the rectangular box 5.

Preferably, the joint between the top end slot of the concave frame 18 and the protractor 19 is in a dovetail shape, so that the protractor 19 can be stably moved in the slot at the top end of the concave frame 18.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the device is used, the ring is rotated clockwise, the inserting rod 9 and the clamping block 12 are driven by the ring to rotate clockwise, when the clamping block 12 rotates to be overlapped with the strip-shaped opening 11, the ring is loosened, the connecting plate 8, the inserting rod 9 and the clamping block 12 are driven to move outwards under the action of the external force of the spring 10, the clamping block 12 is moved out of the inner cavity of the rectangular box 5, the inserting rod 9 is separated from the jack 3 and the first sliding block 4, the rectangular box 5 is pushed backwards at the moment, the rectangular box 5 drives the concave plate 17, the rectangular block 22 and the sleeve 25 to move backwards through the first screw 13, the sleeve 25 can move backwards to a corresponding position according to the indication of a CT cursor, the ring is pushed inwards, the clamping block 12 moves to the inner cavity of the rectangular box 5 through the strip-shaped opening 11, the inserting rod 9 moves inwards and is inserted into the jack 3 at the corresponding position through the first sliding block 4, the ring is rotated again, the clamping block 12 and the strip-shaped opening 11 can be staggered with each other to loosen the circular ring, the clamping block 12 can be abutted against the inner wall of the rectangular box 5 under the action of the external force of the spring 10 to fix the inserted rod 9, so that the rectangular box 5 is fixed, the rocker 31 is rotated clockwise, the rocker 31 drives the second gear 32 to rotate clockwise, the second gear 32 can drive the first gear 29 and the second screw 28 to rotate anticlockwise under the meshing fit of the second gear 32 and the first gear 29, the second screw 28 can drive the rectangular block 22 and the sleeve 25 to move to the left under the screwing fit of the second screw 28 and the rectangular block 22, the sleeve 25 can be moved to the left to the corresponding position transversely according to the indication of a CT cursor, at the moment, the sleeve 25 is rotated under the fit between the free pause rotating shaft 23 and the rotating rod 24, so that the sleeve 25 is rotated to correspond to the optimal puncture angle according to the CT analysis, the handle 16 is rotated to the inboard, the handle 16 drives the screw thread section of thick bamboo 15 and moves to the inboard, under the spiro union cooperation of screw thread section of thick bamboo 15 and first screw 13, can make the screw thread section of thick bamboo 15 move downwards along the outer wall of first screw 13, concave plate 17 is under self action of gravity, move downwards along with the removal of screw thread section of thick bamboo 15, can make sleeve 25 vertically move downwards to laminating mutually with the puncture point of patient's body surface, the doctor inserts the pjncture needle from sleeve 25 at last and punctures the patient, the device easy operation, it is nimble to use, be convenient for to patient's puncture treatment or biopsy, it is painful to reduce the patient.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "snap" and "pivot" and "snap" and "weld" and "screw" are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a body surface positioner convenient to puncture under clinician's operation CT guide, includes supporting seat (1), its characterized in that: first spout (2) have all been seted up along the fore-and-aft direction to the left and right sides central point of supporting seat (1), a plurality of jack (3) have been seted up in the past to the back in the inboard of first spout (2) in succession, the inner chamber of first spout (2) is embedded to have first slider (4), the outside of first slider (4) is extended first spout (2) welding and is had rectangle case (5), second spout (6) have all been seted up along controlling the direction at both ends about the inner chamber of rectangle case (5), the inner chamber of second spout (6) is embedded to have second slider (7), the inboard welding of second slider (7) has connecting plate (8) that link to each other two second sliders (7), the left side central point of connecting plate (8) puts the hub connection and has can wind self axis pivoted inserted bar (9), and the right side of inserted bar (9) runs through connecting plate (8) in proper order, The rectangular box (5) and the second sliding block (7) extend to the inner cavity of the jack (3), a spring (10) is sleeved on the outer wall of the inserted rod (9), the left side and the right side of the spring (10) are respectively clamped with the connecting plate (8) and the rectangular box (5), a strip-shaped opening (11) is formed in the outer side central position of the rectangular box (5) along the front-back direction, a circular ring is welded on the left side of the inserted rod (9) in a mode of extending out the strip-shaped opening (11), a clamping block (12) is welded on the left side of the outer wall of the inserted rod (9), the clamping block (12) abuts against the left side of the inner cavity of the rectangular box (5) under the action of external force of the spring (10), a first screw rod (13) is welded on the top central position of the rectangular box (5), a stopping block (14) is welded on the top end of the first screw rod (13), a threaded barrel (15) is screwed on the outer wall of the first, the outer wall of the first screw rod (13) is sleeved with a concave plate (17) connecting the two first screw rods (13), the concave plate (17) is arranged on the top end of the threaded cylinder (15), the bottom end of the front side of the concave plate (17) is welded with a concave frame (18), a protractor (19) is inserted into a clamping groove at the top end of the concave frame (18) along the left-right direction, a third sliding groove (20) is formed in the rear side of an inner cavity of the concave plate (17) along the left-right direction, a third sliding block (21) is embedded into the inner cavity of the third sliding groove (20), the front side of the third sliding block (21) extends out of the third sliding groove (20) and is welded with a rectangular block (22), the center position of the front side of the rectangular block (22) is in interference fit with an outer cylinder of a free pause rotating shaft (23), the inner cylinder of the free pause rotating shaft (23) is in interference fit with a rotating rod (24), and the sleeve (25) of the rotating rod (24) is, a round rod (26) is welded on the front side of the sleeve (25), a protractor (19) extends from the front side of the round rod (26), the front side of the outer wall of the round rod (26) is excessively matched with a pointer (27) which is attached to the protractor (19), the left side of the inner cavity of the concave plate (17) is coupled with a second screw rod (28) which can rotate around the axis of the concave plate, the right side of the second screw rod (28) penetrates through the rectangular block (22) and is connected with the concave plate (17) in a shaft way, the second screw rod (28) is in threaded connection with the rectangular block (22), a first gear (29) is in interference fit with the left side of the outer wall of the second screw rod (28), a supporting plate (30) is welded on the left side of the top end of the concave plate (17), a rocker (31) capable of rotating around the axis of the rocker is coupled to the top end of the supporting plate (30), and the bottom end of the rocker (31) extends to the inner cavity of the concave plate (17) and is welded with a second gear (32) meshed with the first gear (29).

2. A body surface positioning device for facilitating CT guided lancing by a clinician as claimed in claim 1 wherein: the distance between the connecting plate (8) and the strip-shaped opening (11) is larger than the distance between the inserted bar (9) penetrating through the first sliding block (4) and extending to the insertion hole (3).

3. A body surface positioning device for facilitating CT guided lancing by a clinician as claimed in claim 1 wherein: two clamping blocks (12) are welded on the outer wall of the inserted rod (9), and the two clamping blocks (12) are arranged on the circumference of the outer wall of the inserted rod (9) clockwise at intervals of 180 degrees.

4. A body surface positioning device for facilitating CT guided penetration by a clinician as claimed in claim 1 or 3 wherein: the height of the strip-shaped opening (11) is larger than the width of the clamping blocks (12), and the width of the strip-shaped opening (11) is larger than the vertical distance between the outer sides of the two clamping blocks (12).

5. A body surface positioning device for facilitating CT guided lancing by a clinician as claimed in claim 1 wherein: the joint of the top end clamping groove of the concave frame (18) and the protractor (19) is in a dovetail shape.