CN112043532A

CN112043532A - Positioning device for puncture instrument

Info

Publication number: CN112043532A
Application number: CN202010921900.5A
Authority: CN
Inventors: 陈景浩; 何伯圣; 杨巨顺
Original assignee: Nantong First Peoples Hospital
Current assignee: Nantong First Peoples Hospital
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2020-12-08

Abstract

The invention relates to the technical field of puncture instruments, in particular to a positioning device for a puncture instrument, which comprises an operating table, wherein four corners of the bottom of the operating table are vertically connected with supporting columns, a limiting mechanism is arranged above the operating table, an adjusting mechanism and a positioning mechanism are arranged above one side of the operating table, the positioning mechanism comprises a mounting plate, the mounting plate is rotatably connected with the adjusting mechanism, the upper surface of the middle of the mounting plate is horizontally provided with a seven-number sliding groove, a six-number sliding block is vertically and slidably connected inside the seven-number sliding groove, one end, far away from the mounting plate, of the six-number sliding block is horizontally connected with a telescopic pipe, and the upper surface of one end of the mounting. According to the invention, by arranging the positioning mechanism, when the needle head is pushed into the body of a patient, the needle head is not bent, so that the patient is prevented from being injured, meanwhile, the puncture is more accurate, and the needle head does not need to be pushed by hands in the process of puncture, so that the pushing speed is more uniform.

Description

Positioning device for puncture instrument

Technical Field

The invention relates to the technical field of puncture instruments, in particular to a positioning device for a puncture instrument.

Background

Anesthesia in the spinal canal is in hitting the spinal column clearance of local anesthesia medicine through the back, anesthesia requires patient in the spinal canal when the doctor operates, be the specific position of both hands holding the knee, expose the back as far as possible, simultaneously it is motionless at whole operation in-process, so must patient's cooperation anesthesia doctor's operation, otherwise probably cause certain damage, the anesthesia needle syringe needle that anesthesia used in the spinal canal is very long, need the staff with the hand syringe needle to patient's inside propelling movement at the in-process of puncture, but skid easily at the in-process of propelling movement, and dynamics control will not be crowded curved with the syringe needle well, not only can cause the secondary injury to patient, still will carry out many times the puncture and just can inject patient's health with the anesthesia medicine, patient's pain has been increased.

Disclosure of Invention

The invention aims to solve the defects that a needle head is easy to slip and bend during puncture in the prior art, and provides a positioning device for a puncture instrument.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a positioning device for a puncture instrument comprises an operating bed, wherein four corners of the bottom of the operating bed are vertically connected with supporting columns, a limiting mechanism is arranged above the operating bed, an adjusting mechanism and a positioning mechanism are arranged above one side of the operating bed, the positioning mechanism comprises an installation plate which is rotationally connected with the adjusting mechanism, a No. seven sliding chute is horizontally arranged on the upper surface in the middle of the installation plate, a sixth sliding block is vertically and slidably connected inside the seventh sliding groove, one end of the sixth sliding block, which is far away from the mounting plate, is horizontally connected with a telescopic pipe, the upper surface of one end of the mounting plate is vertically connected with a limit plate, the shape of the limit plate is trapezoidal, the limiting plate is characterized in that one end, far away from the mounting plate, of the limiting plate is horizontally connected with a positioning barrel, the circle center of the positioning barrel and the circle center of the telescopic pipe are on the same horizontal line, and a clamping mechanism is arranged above one end, far away from the limiting plate, of the mounting plate.

Preferably, stop gear includes that the level sets up the spout No. one at the upper surface in the middle of the operation table, the inside sliding connection of spout has a slider No. one, the inside horizontal threaded connection of a slider has first threaded rod, first threaded rod runs through a spout and extends to the outside of operation table and the vertical first hand wheel that is connected with of tip, the vertical backup pad that is connected with of upper surface of a slider, the one side vertical that the backup pad is close to first hand wheel is connected with two set-squares with a slider fixed connection, the operation table is kept away from first hand wheel one side top and is provided with fixed establishment.

Preferably, fixed establishment includes that the level is seted up at the operation table and is kept away from No. two spouts of first wheel one side upper surface, the inside sliding connection of No. two spouts has No. two sliders, two the equal vertical baffle that is connected with of upper surface of No. two sliders, two the equal vertical cartridge in one end top that No. two sliders kept away from mutually has the first bolt that contacts with the operation table.

Preferably, adjustment mechanism includes that the level is seted up at the operating table and is close to No. three spouts of No. two spout one side upper surfaces, the inside sliding connection of No. three spouts has No. three sliders, the vertical U template that is connected with of upper surface of No. three sliders, the vertical cartridge in one end top that the U template was kept away from to No. three sliders has the second bolt that contacts with the operating table, the inside horizontal slip cartridge of U template has the slide, the centre of slide is provided with actuating mechanism and the one side that the slide is close to first hand wheel and is provided with control mechanism.

Preferably, actuating mechanism includes vertical threaded connection at the inside second threaded rod of slide, the second threaded rod runs through the U template and extends to the top and the tip horizontally connect with the second hand wheel of U template the both ends of slide all are connected with No. four sliders, the equal vertical No. four spouts of seting up with No. four slider looks adaptations in the inside both sides of U template.

Preferably, control mechanism includes vertical connection and is close to the fixed block at first hand wheel one side both ends at the slide, two the common horizontally connected with rotation axis of the one side that is close to mutually of fixed block, the outside of rotation axis is rotated and is connected with the fixed plate, the one end bilateral symmetry that the fixed plate is close to the rotation axis is provided with location structure, No. five spouts have been seted up to the centre top of fixed plate, the inside sliding connection of No. five spouts has the slider of No. five of being connected with the mounting panel rotation, the vertical cartridge in one side top of mounting panel has the third bolt that contacts with the fixed plate.

Preferably, the positioning mechanism comprises a movable groove horizontally formed in one side, close to one end of the rotating shaft, of the fixing plate, a spring is horizontally connected inside the movable groove, one end, far away from the movable groove, of the spring is horizontally connected with a positioning block matched with the movable groove, and a plurality of positioning holes matched with the positioning block are formed in the middle of the fixing block at equal intervals by taking the rotating shaft as a circle center.

Preferably, fixture includes that the level is seted up No. six spouts at mounting panel both sides upper surface, two the common sliding connection in inside of No. six spouts has U type slider, the equal vertical rotation in one side both ends that the mounting panel was kept away from to U type slider is connected with the grip block, two the one side that the grip block is close to all is arc, two the one side that the grip block was kept away from all is connected with the torsional spring with U type slider fixed connection.

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

according to the invention, the limiting mechanism is arranged, so that a patient can lie on the operating bed side in a back-arched state, the situation that the back of the patient is straightened due to pain during puncture is avoided, puncture failure is caused, the puncture success rate is increased, and meanwhile, the injury to the patient is reduced.

Drawings

FIG. 1 is a schematic structural view of a positioning device for a puncture instrument according to the present invention;

FIG. 2 is a schematic view of a portion of a positioning device for a lancing apparatus according to the present invention;

FIG. 3 is an enlarged view of the structure at A of FIG. 2 according to the present invention;

FIG. 4 is an exploded view of a portion of a positioning device for a lancing device according to the present invention;

FIG. 5 is a partial sectional view of a positioning device for a lancing apparatus according to the present invention;

FIG. 6 is an enlarged view of the structure at B of FIG. 5 according to the present invention;

FIG. 7 is a schematic view of a partial structure of a positioning device for a puncture instrument according to the present invention;

FIG. 8 is a partial sectional view of a positioning device for a lancing apparatus according to the present invention;

FIG. 9 is an enlarged view of FIG. 8 at C according to the present invention;

fig. 10 is an enlarged view of fig. 8 at D according to the present invention.

In the figure: 1. an operating bed; 2. a support pillar; 3. a first chute; 4. a first sliding block; 5. a first threaded rod; 6. a first hand wheel; 7. a support plate; 8. a set square; 9. a second chute; 10. a second sliding block; 11. a baffle plate; 12. a first bolt; 13. a third sliding chute; 14. a third sliding block; 15. a second bolt; 16. a U-shaped plate; 17. a slide plate; 18. a fourth sliding chute; 19. a fourth slider; 20. a second threaded rod; 21. a second hand wheel; 22. a fixed block; 23. a rotating shaft; 24. a fixing plate; 25. a movable groove; 26. a spring; 27. positioning blocks; 28. positioning holes; 29. a fifth chute; 30. a fifth sliding block; 31. mounting a plate; 32. a third bolt; 33. a sixth chute; 34. a U-shaped slider; 35. a clamping plate; 36. a torsion spring; 37. a No. seven sliding chute; 38. a sixth sliding block; 39. a telescopic pipe; 40. a limiting plate; 41. a positioning cylinder.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in figures 1-10, the positioning device for the puncture instrument comprises an operating table 1, wherein four corners of the bottom of the operating table 1 are vertically connected with supporting columns 2, a limiting mechanism is arranged above the operating table 1 and comprises a first sliding groove 3 horizontally arranged on the upper surface of the middle of the operating table 1, a first sliding block 4 is slidably connected inside the first sliding groove 3, a first threaded rod 5 is connected with the inner horizontal thread of the first sliding block 4, the first threaded rod 5 penetrates through the first sliding groove 3 and extends to the outer side of the operating table 1, the end part of the first threaded rod is vertically connected with a first hand wheel 6, a supporting plate 7 is vertically connected on the upper surface of the first sliding block 4, two triangular plates 8 fixedly connected with the first sliding block 4 are vertically connected on one surface of the supporting plate 7 close to the first hand wheel 6, a fixing mechanism is arranged above one side of the operating table 1 far away from the first hand wheel 6, the fixing mechanism comprises a second sliding groove 9 horizontally arranged on the upper surface of the operating table, two second sliding blocks 10 are slidably connected inside the second sliding groove 9, the upper surfaces of the two second sliding blocks 10 are vertically connected with a baffle 11, and first bolts 12 which are in contact with the operating bed 1 are vertically inserted above the far ends of the two second sliding blocks 10; let the patient side bed on operation table 1, and get up the back bow, it is rotatory to drive first threaded rod 5 through rotating first hand wheel 6, thereby it is close to patient's belly to drive a slider 4 and backup pad 7, set-square 8 can increase backup pad 7's stability, according to the difference of patient's bodily form and height, under the mutually supporting of No. two spout 9 and No. two slider 10, adjusting the position of baffle 11, through setting up first bolt 12, make baffle 11 can fix on operation table 1, thereby carry out spacingly to the patient, avoid when the puncture, the patient is straight because the back is stood by pain, lead to needing the secondary puncture.

An adjusting mechanism and a positioning mechanism are arranged above one side of the operating bed 1, the adjusting mechanism comprises a third sliding groove 13 which is horizontally arranged on the upper surface of one side, close to a second sliding groove 9, of the operating bed 1, a third sliding block 14 is connected inside the third sliding groove 13 in a sliding manner, a U-shaped plate 16 is vertically connected on the upper surface of the third sliding block 14, a second bolt 15 which is in contact with the operating bed 1 is vertically inserted above one end, far away from the U-shaped plate 16, of the third sliding block 14, a sliding plate 17 is horizontally inserted inside the U-shaped plate 16, a driving mechanism is arranged in the middle of the sliding plate 17, a control mechanism is arranged on one side, close to the first hand wheel 6, of the sliding plate 17, the driving mechanism comprises a second threaded rod 20 which is vertically and threadedly connected inside the sliding plate 17, the second threaded rod 20 penetrates through the U-shaped plate 16 and extends to the upper side of the U-, a fourth sliding groove 18 matched with a fourth sliding block 19 is vertically formed in each of two sides of the inside of a U-shaped plate 16, a control mechanism comprises fixed blocks 22 vertically connected to two ends of one side, close to a first hand wheel 6, of a sliding plate 17, a rotating shaft 23 is horizontally connected to the side, close to the two fixed blocks 22, of each fixed block, a fixed plate 24 is rotatably connected to the outer side of each rotating shaft 23, positioning structures are symmetrically arranged on two sides of one end, close to the rotating shaft 23, of each fixed plate 24, each positioning structure comprises a movable groove 25 horizontally formed in one side, close to one end of the corresponding rotating shaft 23, of each fixed plate 24, a spring 26 is horizontally connected to the inside of each movable groove 25, one end, far away from the corresponding movable groove 25, of each spring 26 is horizontally connected with a positioning block 27 matched with the corresponding movable groove 25, a plurality of, a fifth sliding block 30 which is rotatably connected with a mounting plate 31 is slidably connected inside the fifth sliding groove 29, and a third bolt 32 which is in contact with the fixing plate 24 is vertically inserted above one side of the mounting plate 31; move U template 16 to suitable position through setting up No. three spout 13 and No. three slider 14, it rotates second hand wheel 21 and drives second threaded rod 20 and rotate, under the mutually supporting of No. four spout 18 and No. four slider 19, make slide 17 can reciprocate in the inside of U template 16, rotate fixed plate 24 through rotation axis 23, when fixed plate 24 rotates suitable angle, locating piece 27 pops out from the inside of activity groove 25 under the effect of spring 26, insert the inside of locating hole 28, under the mutually supporting of No. five spout 29 and No. five slider 30, make mounting panel 31 can slide on fixed plate 24, through setting up third bolt 32, can fix the mounting panel 31 of rotating suitable angle.

The positioning mechanism comprises a mounting plate 31, the mounting plate 31 is rotatably connected with the adjusting mechanism, a seven-number sliding groove 37 is horizontally arranged on the upper surface of the middle of the mounting plate 31, a six-number sliding block 38 is vertically and slidably connected inside the seven-number sliding groove 37, an extension tube 39 is horizontally connected to one end, away from the mounting plate 31, of the six-number sliding block 38, a limiting plate 40 is vertically connected to the upper surface of one end of the mounting plate 31, the shape of the limiting plate 40 is trapezoidal, one end, away from the mounting plate 31, of the limiting plate 40 is horizontally connected with a positioning tube 41, the circle center of the positioning tube 41 and the circle center of the extension tube 39 are on the same horizontal line, a clamping mechanism is arranged above one end, away from the limiting plate 40, of the mounting plate 31 and comprises six-number sliding grooves 33 horizontally arranged on the upper surfaces of two sides of the mounting plate 31, a U-, the surfaces, close to each other, of the two clamping plates 35 are both arc-shaped, and the surfaces, far away from each other, of the two clamping plates 35 are both connected with torsion springs 36 fixedly connected with the U-shaped sliding blocks 34; through setting up grip block 35 and torsional spring 36 for the puncture apparatus can be fixed on mounting panel 31, can be with syringe needle internal propelling movement to the patient through setting up No. six spout 33 and U type slider 34, and in the in-process that promotes, a location section of thick bamboo 41 and flexible pipe 39 can guarantee that the syringe needle can not take place to buckle, through setting up No. six slider 38 and No. seven spout 37, make flexible pipe 39 can contract together along with the deepening of the depth of puncture.

The working principle is as follows: through setting up stop gear, make the patient can the side crouch on operation table 1 and keep the state of back bow-type, fix the puncture apparatus on the device through setting up fixture, under adjustment mechanism's effect, can be according to the difference of patient's size and height, adjust the distance between puncture apparatus and the patient, and adjust the puncture apparatus and get into the internal angle of patient, through setting up positioning mechanism, can prick the puncture apparatus into patient's health, and keep the syringe needle can not take place to buckle at the in-process of propelling movement, avoid puncture failure.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a positioner for puncture apparatus, includes operation table (1), its characterized in that, the equal vertical support column (2) that is connected with in bottom four corners of operation table (1), the top of operation table (1) is provided with stop gear, operation table (1) one side top is provided with adjustment mechanism and positioning mechanism, positioning mechanism includes mounting panel (31), mounting panel (31) are connected with adjustment mechanism rotates, upper surface horizontal plane is equipped with No. seven spout (37) in the middle of mounting panel (31), the inside vertical sliding connection of No. seven spout (37) has No. six slider (38), the one end horizontally connect who mounting panel (31) was kept away from to No. six slider (38) has flexible pipe (39), mounting panel (31) one end upper surface vertical limiting plate (40) that is connected with, the shape of limiting plate (40) is trapezoidal, the one end horizontally connected with a location section of thick bamboo (41) that mounting panel (31) were kept away from to limiting plate (40), the centre of a circle of a location section of thick bamboo (41) and the centre of a circle of flexible pipe (39) are on same water flat line, the one end top that limiting plate (40) were kept away from in mounting panel (31) is provided with fixture.

2. The positioning device for puncture instruments according to claim 1, wherein the limiting mechanism comprises a first sliding groove (3) horizontally arranged on the middle upper surface of the operating bed (1), a first sliding block (4) is connected inside the first sliding groove (3) in a sliding manner, a first threaded rod (5) is connected inside the first sliding block (4) in a horizontal threaded manner, the first threaded rod (5) penetrates through the first sliding groove (3) and extends to the outer side of the operating bed (1), the end part of the first threaded rod is vertically connected with a first hand wheel (6), the upper surface of the first sliding block (4) is vertically connected with a supporting plate (7), one surface of the supporting plate (7) close to the first hand wheel (6) is vertically connected with two triangular plates (8) fixedly connected with the first sliding block (4), a fixing mechanism is arranged above one side, far away from the first hand wheel (6), of the operating bed (1).

3. The positioning device for the puncture instrument according to claim 2, wherein the fixing mechanism comprises a second sliding groove (9) horizontally arranged on the upper surface of the side, away from the first hand wheel (6), of the operating table (1), two second sliding blocks (10) are slidably connected inside the second sliding groove (9), the upper surfaces of the two second sliding blocks (10) are vertically connected with a baffle plate (11), and a first bolt (12) contacting with the operating table (1) is vertically inserted above the end, away from the second sliding block (10).

4. The positioning device for the puncture instrument according to claim 3, wherein the adjusting mechanism comprises a third sliding groove (13) horizontally arranged on the upper surface of one side, close to the second sliding groove (9), of the operating bed (1), a third sliding block (14) is slidably connected inside the third sliding groove (13), a U-shaped plate (16) is vertically connected to the upper surface of the third sliding block (14), a second bolt (15) in contact with the operating bed (1) is vertically inserted above one end, far away from the U-shaped plate (16), of the third sliding block (14), a sliding plate (17) is horizontally inserted inside the U-shaped plate (16), a driving mechanism is arranged in the middle of the sliding plate (17), and a control mechanism is arranged on one side, close to the first hand wheel (6), of the sliding plate (17).

5. The positioning device for the puncture instrument according to claim 4, wherein the driving mechanism comprises a second threaded rod (20) vertically and threadedly connected inside the sliding plate (17), the second threaded rod (20) penetrates through the U-shaped plate (16) and extends to the upper part of the U-shaped plate (16), the end part of the second threaded rod is horizontally connected with a second hand wheel (21), the two ends of the sliding plate (17) are respectively connected with a fourth sliding block (19), and the two sides inside the U-shaped plate (16) are respectively vertically provided with a fourth sliding groove (18) matched with the fourth sliding block (19).

6. The positioning device for the puncture instrument according to claim 4, wherein the control mechanism comprises fixed blocks (22) vertically connected to two ends of one surface of the sliding plate (17) close to the first hand wheel (6), the close surfaces of the two fixed blocks (22) are jointly and horizontally connected with a rotating shaft (23), a fixed plate (24) is rotatably connected to the outer side of the rotating shaft (23), positioning structures are symmetrically arranged on two sides of one end of the fixed plate (24) close to the rotating shaft (23), a fifth sliding groove (29) is formed in the middle upper portion of the fixed plate (24), a fifth sliding block (30) rotatably connected with the mounting plate (31) is slidably connected to the inner portion of the fifth sliding groove (29), and a third bolt (32) in contact with the fixed plate (24) is vertically inserted above one side of the mounting plate (31).

7. The positioning device for the puncture instrument according to claim 6, wherein the positioning mechanism comprises a movable groove (25) horizontally formed in one side of the fixing plate (24) close to one end of the rotating shaft (23), a spring (26) is horizontally connected inside the movable groove (25), one end of the spring (26) far away from the movable groove (25) is horizontally connected with a positioning block (27) matched with the movable groove (25), and a plurality of positioning holes (28) matched with the positioning block (27) are formed in the middle of the fixing block (22) at equal intervals by taking the rotating shaft (23) as a circle center.

8. The positioning device for the puncture instrument according to claim 1, wherein the clamping mechanism comprises six sliding grooves (33) horizontally formed in the upper surfaces of the two sides of the mounting plate (31), the two sliding grooves (33) are connected with a U-shaped sliding block (34) in a sliding mode, two ends of one surface, far away from the mounting plate (31), of the U-shaped sliding block (34) are vertically and rotatably connected with clamping plates (35), one surfaces, close to the two clamping plates (35), of the two clamping plates are arc-shaped, and one surfaces, far away from the two clamping plates (35), of the two clamping plates are connected with torsion springs (36) fixedly connected with the U-shaped sliding blocks (34).