CN112057144B

CN112057144B - Fixing device for puncture instrument

Info

Publication number: CN112057144B
Application number: CN202010921925.5A
Authority: CN
Inventors: 何伯圣; 杨巨顺; 丛若尘
Original assignee: Nantong First Peoples Hospital
Current assignee: Nantong First Peoples Hospital
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-06-15
Anticipated expiration: 2040-09-04
Also published as: CN112057144A

Abstract

The invention relates to the field of puncture auxiliary devices, in particular to a fixing device for a puncture instrument, which comprises a base plate, wherein the outer surfaces of two sides of the base plate are respectively and movably provided with symmetrical clamping pieces through a horizontal adjusting mechanism, each clamping piece comprises a connecting plate and an arc-shaped plate, the end part of each clamping piece is movably arranged with the base plate, the arc-shaped plate extends backwards from one end of the connecting plate far away from the base plate, the front end of the base plate is connected with an adjusting plate through a rotating mechanism, the front end surface of the adjusting plate is inserted with a guide cylinder near the lower end, the connecting position of the outer surface of the guide cylinder and the adjusting plate extends to form a connecting ball, the inner side of the adjusting plate is provided with a matching port movably matched with the connecting ball, the rear end of the guide cylinder is connected with a contact head through a telescopic mechanism, and the front end, medical errors are reduced, and medical difficulty is lowered.

Description

Fixing device for puncture instrument

Technical Field

The invention relates to the field of puncture auxiliary devices, in particular to a fixing device for a puncture instrument.

Background

In the puncture therapy of the effusion of the knee, when the effusion of the joint is more and the tension is large, the joint puncture can be carried out, the effusion and the hematocele are completely pumped out, and the sodium hyaluronate is injected into the joint cavity, and the research shows that various pathological changes in the arthritis have close relation with the reduction and the change of physicochemical properties. The sodium hyaluronate for injection has the following functions: covering the surface of the articular cartilage, the articular cartilage can be protected, and further degeneration can be prevented or delayed; protecting joint synovium, removing pain-causing substances, and obviously relieving pain; improving the contracture state of the joint and increasing the mobility of the joint; it can be used for improving synovial fluid of degenerative joint. In medical science, the knee joint puncture treatment is usually carried out through doctor experience, the treatment is easy to generate poor pool when doctors with insufficient experience finish the treatment, and a puncture instrument fixing device is not used for knee joint puncture, so that the pressure of the doctors is relieved or the medical difficulty is reduced.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a fixing device for a puncture instrument.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the utility model provides a fixing device for puncture apparatus, includes the base plate, the both sides surface of base plate has the folder of mutual symmetry through horizontal adjustment mechanism movable mounting respectively, the folder includes tip and base plate movable mounting's connecting plate, keeps away from the arcuation board of the one end of base plate to extending backward from the connecting plate, the front end of base plate is connected with the regulating plate through slewing mechanism, the preceding terminal surface of regulating plate is close to lower extreme department cartridge and has a guide section of thick bamboo, the surface of guide section of thick bamboo extends with the hookup location of regulating plate and connects the ball, the inboard of regulating plate is seted up and is connected ball clearance fit with, the rear end of guide section of thick bamboo is connected with the contact head through telescopic mechanism, the front end of guide section of thick bamboo is provided with fixture.

Preferably, horizontal adjustment mechanism is including seting up at the spout of base plate both sides surface, rotating the threaded rod of connection at the spout is inboard, the rear end activity of threaded rod passes the rear end face and the fixedly connected with knob of base plate, the inboard of spout is inserted in the connecting plate activity, the threaded rod passes connecting plate and screw-thread fit between the two.

Preferably, the lower end of the arc-shaped plate is fixedly connected with at least two metal hoses, and the lower ends of the metal hoses are fixedly connected with connecting flaps together.

Preferably, slewing mechanism stretches into the inboard connecting block of socket, activity that extend including seting up at the socket of base plate front end, from the regulating plate upper end and run through socket inner wall and the inboard connecting bolt of connecting block, connecting bolt's one end fixed connection has the spacing head, just connecting bolt's another pot head is equipped with looks screw-thread fit's spacing ring.

Preferably, the outer surface of the limiting ring close to the substrate extends to form limiting teeth arranged around the outer side of the connecting bolt in an annular array mode, the outer surface of one side, corresponding to the limiting teeth, of the substrate is provided with limiting tooth openings matched with each other, and the limiting teeth are movably inserted into the inner sides of the limiting tooth openings.

Preferably, the telescopic mechanism comprises a sleeve fixedly sleeved at the rear end of the guide cylinder and a return spring arranged between the inner wall of the sleeve and the outer surface of the guide cylinder, and the front end of the contact head is movably inserted into the rear end of the sleeve and abuts against the return spring.

Preferably, the rear end of the sleeve extends out of the furling edge, the front end of the sleeve extends out of a protruding edge clamped on the inner side of the furling edge, and the sleeve and the contact head are movably inserted through the protruding edge and the furling edge.

Preferably, the clamping mechanism comprises a connecting seat fixedly connected to the front end of the guide cylinder and a connecting supporting plate extending from the front end face of the connecting seat, clamping flaps extend upwards from two side edges of the connecting supporting plate, and pressing flaps extend from the outer surfaces of the two clamping flaps which are far away from each other respectively.

Preferably, the clamping flap is made of hard rubber, and the clamping flap and the connecting supporting plate are integrally formed.

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

1. through the arcuation board that sets up, guide cylinder and contact, detain two arcuation boards at patient's shank and be located the upper and lower side of knee respectively, the skin surface of contact knee department, receive to support and press extrusion reset spring, because guide cylinder is the extrusion state, the effect of cooperation arcuation board, the fine whole device centre gripping of messenger in both is in the knee position, later adjust the position of contact, because connect the effect of ball with the cooperation mouth, make the contact can nimble angle regulation, puncture the needle angle promptly, nimble angle and the position demand that adapts to the puncture, alleviate doctor's burden, reduce the medical degree of difficulty.

2. Through horizontal adjustment mechanism and the slewing mechanism who sets up, through rotating the knob for the threaded rod rotates, and then makes the connecting plate remove along the inboard of spout, and then adjusts the arcuation board to the clamping state of shank, through unscrewing behind the spacing ring, can rotate the regulating plate, uses with the thick and strong degree of adaptation different patients' shank, and the device uses in a flexible way, and adaptability is good.

3. Through the fixture that sets up, guide cylinder and contact head, puncture instrument's tip can carry out the centre gripping with the help of two centre gripping lamellas, and the cylinder part is complied with the guide cylinder and is inserted with the inboard of contact head, and the contact head is direct to be in contact with knee department surface skin, has carried out the prejudgement to the point of puncture, does benefit to follow-up accurate puncture, and the puncture is guided, and the process is steady, error rate greatly reduced.

4. Through the metal hose and the connecting flap which are arranged, after the arc-shaped plate is sleeved on the leg of a patient, the connecting flap is shifted inwards, and the metal hose is bent and shaped, so that the end part of the arc-shaped plate firmly grasps the skin of the leg of the patient, and the stable use of the device is facilitated.

Drawings

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

FIG. 2 is a sectional view of a guide cylinder of a fixing device for a puncture instrument according to the present invention;

FIG. 3 is an enlarged view of the fixing device for a puncture instrument shown at A in FIG. 2;

FIG. 4 is a schematic view of a rotation mechanism of a fixing device for a puncture instrument according to the present invention;

FIG. 5 is a schematic view of a horizontal adjustment mechanism of a fixing device for a puncture instrument according to the present invention;

FIG. 6 is a schematic view of a metallic hose of a fastening device for a puncturing apparatus according to the present invention.

In the figure: 1. a substrate; 2. a connecting plate; 3. an arc-shaped plate; 4. a metal hose; 5. a connecting flap; 6. a chute; 7. a threaded rod; 8. a knob; 9. an adjusting plate; 10. connecting blocks; 11. a socket; 12. a connecting bolt; 13. a limiting head; 14. a limiting ring; 15. limiting a tooth opening; 16. limiting teeth; 17. a guide cylinder; 18. a connecting ball; 19. a mating port; 20. a sleeve; 21. a contact head; 22. a protruding edge; 23. collecting the edges; 24. a return spring; 25. a connecting seat; 26. connecting the supporting plate; 27. a clamping flap; 28. the flap is pressed.

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.

The fixing device for the puncture instrument shown in fig. 1-6 comprises a base plate 1, wherein clamping pieces which are symmetrical to each other are movably mounted on the outer surfaces of two sides of the base plate 1 through a horizontal adjusting mechanism respectively, each clamping piece comprises a connecting plate 2 and an arc-shaped plate 3, the end portions of the clamping pieces are movably mounted with the base plate 1, the arc-shaped plates extend backwards from one end, far away from the base plate 1, of the connecting plate 2, the front end of the base plate 1 is connected with an adjusting plate 9 through a rotating mechanism, a guide cylinder 17 is inserted into the position, close to the lower end, of the front end face of the adjusting plate 9, a connecting ball 18 extends out of the connecting position of the outer surface of the guide cylinder 17 and the adjusting plate 9, a matching port 19 which is movably matched with the connecting ball 18 is formed in the inner.

Horizontal adjustment mechanism is including seting up spout 6, the threaded rod 7 of rotating the connection at spout 6 inboard at base plate 1 both sides surface, and the rear end activity of threaded rod 7 passes base plate 1's rear end face and fixedly connected with knob 8, and the inboard of spout 6 is inserted in the connecting plate 2 activity, and threaded rod 7 passes connecting plate 2 and screw-thread fit between the two, and rotation threaded rod 7 can make connecting plate 2 remove.

The lower end of the arc-shaped plate 3 is fixedly connected with at least two metal hoses 4, which belong to the existing parts, can be bent and shaped due to the characteristics of metal when being used in a desk lamp and the like, and the lower ends of the metal hoses 4 are fixedly connected with connecting flaps 5 together to further play a role in reinforcing legs.

The rotating mechanism comprises a socket 11 arranged at the front end of the substrate 1, a connecting block 10 extending out of the upper end of the adjusting plate 9 and extending into the inner side of the socket 11, and a connecting bolt 12 movably penetrating through the inner wall of the socket 11 and the inner side of the connecting block 10, wherein one end of the connecting bolt 12 is fixedly connected with a limiting head 13, and the other end of the connecting bolt 12 is sleeved with a limiting ring 14 in threaded fit to limit rotation.

Spacing ring 14 extends to lay spacing tooth 16 round connecting bolt 12 outside annular array near the surface of base plate 1, base plate 1 corresponds one side surface of spacing tooth 16 and sets up the spacing tooth mouth 15 of mutually supporting, spacing tooth 16 activity inserts the inboard of spacing tooth mouth 15, spacing tooth 16 further improves spacing ring 14's firm degree with spacing tooth mouth 15, prevent not hard up natural rotation, exert external force and rotate spacing tooth 16 outside spacing tooth mouth 15 interior rear rotatable lower spacing ring 14 by force.

The telescoping mechanism comprises a sleeve 20 fixedly sleeved at the rear end of the guide cylinder 17 and a return spring 24 arranged between the inner wall of the sleeve 20 and the outer surface of the guide cylinder 17, and the front end of the contact 21 is movably inserted into the rear end of the sleeve 20 and abuts against the return spring 24 for returning the contact 21.

The rear end of the sleeve 20 extends out of a furling edge 23, the front end of the sleeve 20 extends out of a protruding edge 22 clamped on the inner side of the furling edge 23, and the sleeve 20 and the contact head 21 are movably inserted through the protruding edge 22 and the furling edge 23, so that stable insertion is ensured.

The fixture includes connecting seat 25 of fixed connection at guide cylinder 17 front end, links up layer board 26 that extends from connecting seat 25 front end face, and the both sides border that links up layer board 26 extends clamping lamella 27 upwards, and the surface that two clamping lamella 27 kept away from mutually extends respectively and presses lamella 28, presses and presses lamella 28 and can make clamping lamella 27 open to the piercing depth utensil centre gripping.

The clamping flap 27 is made of hard rubber and can be slightly deformed when pressed and can be restored after being loosened, and the clamping flap 27 and the connecting supporting plate 26 are integrally formed to ensure the strength of the integral structure.

The user buckles the two arc plates 3 on the legs of the patient and is respectively positioned above and below the knees, the contact head 21 is contacted with the skin surface at the knees and is pressed against and extrudes the reset spring 24, the contact head 21 can flexibly adjust the angle, namely the angle of the puncture needle, due to the effect of the connecting ball 18 and the matching port 19, the whole device is clamped at the knee position under the action of the guide cylinder 17 and the arc plates 3, then the position of the contact head 21 is adjusted, the contact head 21 can flexibly adjust the angle, namely the angle of the puncture needle, flexibly adapt to the requirements of the angle and the position of puncture, the burden of a doctor is reduced, the medical difficulty is reduced, the user rotates the threaded rod 7, the connecting plate 2 is further moved along the inner side of the sliding groove 6, the clamping state of the arc plates 3 on the legs is further adjusted, after the limiting ring 14 is screwed down, the adjusting plate 9 can be rotated, the device is flexible to use and has good adaptability; the end part of the puncture instrument can be clamped by two clamping flaps 27, the needle cylinder part is inserted along the inner sides of the guide cylinder 17 and the contact head 21, the contact head 21 is directly contacted with the skin on the surface of the knee, the puncture point is predicted, the subsequent accurate puncture is facilitated, the puncture is guided, the process is stable, and the error rate is greatly reduced; after the arc-shaped plate 3 is sleeved on the leg of a patient, the connecting flap 5 is shifted to the inner side, and the metal hose 4 is bent and shaped, so that the end part of the arc-shaped plate 3 can firmly grasp the skin of the leg of the patient, and the stable use of the device is facilitated.

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. A fixing device for a puncture instrument, comprising a base plate (1), characterized in that: the outer surface of two sides of the base plate (1) is respectively provided with symmetrical clamping pieces through a horizontal adjusting mechanism, each clamping piece comprises a connecting plate (2) with an end part movably arranged with the base plate (1) and an arc-shaped plate (3) extending backwards from one end of the connecting plate (2) far away from the base plate (1), the front end of the base plate (1) is connected with an adjusting plate (9) through a rotating mechanism, a guide cylinder (17) is inserted at the position, close to the lower end, of the front end surface of the adjusting plate (9), a connecting ball (18) extends out from the connecting position of the outer surface of the guide cylinder (17) and the adjusting plate (9), a matching port (19) movably matched with the connecting ball (18) is arranged on the inner side of the adjusting plate (9), the rear end of the guide cylinder (17) is connected with a contact head (21) through a telescopic mechanism, and the front end of the, the telescopic mechanism comprises a sleeve (20) fixedly sleeved at the rear end of the guide cylinder (17) and a return spring (24) arranged between the inner wall of the sleeve (20) and the outer surface of the guide cylinder (17), the front end of the contact head (21) is movably inserted into the rear end of the sleeve (20) and abuts against the return spring (24), the rear end of the sleeve (20) extends out of a furling edge (23), the front end of the sleeve (20) extends out of a protruding edge (22) clamped on the inner side of the furling edge (23), the sleeve (20) and the contact head (21) are movably inserted through the protruding edge (22) and the furling edge (23), the clamping mechanism comprises a connecting seat (25) fixedly connected to the front end of the guide cylinder (17) and a linking supporting plate (26) extending out of the front end face of the connecting seat (25), and clamping flaps (27) extend upwards from the two side edges of the linking supporting plate (26), the outer surface that two centre gripping lamella (27) kept away from extends respectively and presses lamella (28), centre gripping lamella (27) are hard rubber material, centre gripping lamella (27) and linking layer board (26) integrated into one piece.

2. A fixing device for a puncture instrument according to claim 1, wherein: horizontal adjustment mechanism is including seting up spout (6), the threaded rod (7) of rotating connection at spout (6) inboard at base plate (1) both sides surface, the rear end activity of threaded rod (7) passes the rear end face and the fixedly connected with knob (8) of base plate (1), the inboard of spout (6) is inserted in connecting plate (2) activity, threaded rod (7) pass connecting plate (2) and screw-thread fit between the two.

3. A fixing device for a puncture instrument according to claim 1, wherein: the lower end of the arc-shaped plate (3) is fixedly connected with at least two metal hoses (4), and the lower ends of the metal hoses (4) are fixedly connected with connecting flaps (5) together.

4. A fixing device for a puncture instrument according to claim 1, wherein: slewing mechanism stretches into connecting bolt (12) of socket (11) inboard including offering socket (11), the stretching into connecting block (10), the activity that extend from regulating plate (9) upper end at the socket (11) front end, running through socket (11) inner wall and connecting block (10) inboard, the one end fixed connection of connecting bolt (12) has spacing head (13), just another pot head of connecting bolt (12) is equipped with looks screw-thread fit's spacing ring (14).

5. The puncture instrument fixing device according to claim 4, wherein: the outer surface of the limiting ring (14) close to the base plate (1) extends to form limiting teeth (16) around the outer side of the connecting bolt (12) in an annular array mode, limiting tooth openings (15) matched with each other are formed in the outer surface of one side, corresponding to the limiting teeth (16), of the base plate (1), and the limiting teeth (16) are movably inserted into the inner side of the limiting tooth openings (15).