CN113456935A

CN113456935A - PCA analgesia pump with display screen for monitoring blood oxygen saturation

Info

Publication number: CN113456935A
Application number: CN202110497410.1A
Authority: CN
Inventors: 李霞
Original assignee: First Peoples Hospital of Jiashan
Current assignee: First Peoples Hospital of Jiashan
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-10-01
Anticipated expiration: 2041-05-07
Also published as: CN113456935B

Abstract

The invention discloses a PCA (principal component analysis) analgesia pump with a display screen for monitoring oxyhemoglobin saturation, which comprises a protective cover, wherein a liquid storage bag is arranged at the bottom end in the protective cover, a fixed pipe is arranged at the bottom end in the liquid storage bag, a plurality of uniformly distributed liquid inlet holes are formed in the surface of the fixed pipe, a liquid inlet pipe extending to the inner side of the liquid storage bag is arranged at the top end of the surface of the protective cover, and a sealing cover matched with the liquid inlet pipe is arranged on one side of the liquid inlet pipe. Through having added the regulator that has the display screen on analgesia pump, the flow rate of the last demonstration transfer line medicine of display screen and oxyhemoglobin saturation's size simultaneously to be connected transfer line and data line and regulator, connect the needle tubing on the transfer line, be convenient for user and medical staff carry out the accuracy and adjust to analgesic medicine, connect photoelectric sensor on the data line, not only can infuse the user, can carry out oxyhemoglobin saturation to the user and carry out continuous monitoring simultaneously.

Description

PCA analgesia pump with display screen for monitoring blood oxygen saturation

Technical Field

The invention relates to the technical field of medical instruments, in particular to a PCA (principal component analysis) analgesia pump with a display screen for monitoring blood oxygen saturation.

Background

The patient self-control analgesia is the best method for treating perioperative pain, when a patient feels pain, a starting key is pressed, and a set dose of analgesic drug is injected into the body through a microscale analgesia pump controlled by a regulator to eliminate the pain.

The existing analgesic pump only has the functions of inputting analgesic drugs and adjusting the input quantity of the analgesic drugs, does not have the function of monitoring the blood oxygen saturation, has single function effect and does not meet the requirements of users; the existing analgesia pump only fixes the protective cover through the hook, the protective cover is easy to shake, the stability is poor, and discomfort of a user is easy to cause; the existing analgesia pump has poor needle tube stability, and the needle tube is easy to fall off from the body of a user, so that the bleeding of the user is damaged, and the body health of the user is influenced.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

Aiming at the problems in the related art, the invention provides a PCA (principal component analysis) analgesia pump with a display screen for monitoring the blood oxygen saturation, so as to overcome the technical problems in the prior related art.

Therefore, the invention adopts the following specific technical scheme:

a PCA analgesia pump with a display screen for monitoring oxyhemoglobin saturation comprises a protective cover, wherein a liquid storage bag is arranged at the bottom end in the protective cover, a fixed pipe is arranged at the bottom end in the liquid storage bag, a plurality of uniformly distributed liquid inlet holes are formed in the surface of the fixed pipe, a liquid inlet pipe extending to the inner side of the liquid storage bag is arranged at the top end of the surface of the protective cover, a sealing cover matched with the liquid inlet pipe is arranged at one side of the liquid inlet pipe, a sealing cover is arranged at the bottom end of the protective cover, supporting blocks are symmetrically arranged at one side of the surface of the protective cover, an installation barrel is arranged on the rear surface of the supporting blocks, sucking discs are symmetrically arranged on the rear surface of the installation barrel, a separation blade matched with the separation blade is arranged at the middle part in the installation barrel, reset springs matched with the installation barrel are arranged at two sides of the separation blade, a slip sheet and a slip sheet are arranged at one side, far away from each other, of the reset springs, the side, close to each other, of each slip sheet is provided with a connecting plate which is symmetrically arranged, the top ends of the connecting plates are provided with a plurality of connecting rods which are uniformly distributed, connecting shafts which are symmetrically arranged are arranged in each mounting cylinder, one group of the connecting shafts extend to the outer side of each mounting cylinder, the other group of the connecting shafts are movably connected with the mounting cylinders, the top ends of the connecting shafts are provided with movable rods, the top ends of the movable rods are provided with fixed rods, the movable rods are respectively and movably connected with the connecting shafts and the fixed rods through movable shafts, the top ends of the fixed rods are provided with supporting plates, the top ends of the supporting plates are provided with a plurality of uniformly and respectively convex rods, the convex rods are respectively matched with the space between the two connecting rods, the bottom end of each sealing cover is provided with a first infusion tube, the bottom end of the first infusion tube is provided with an adjuster, and the front surface of the adjuster is provided with a display screen, the bottom end of the front surface of the regulator is provided with a plurality of control buttons which are uniformly and respectively, the front top end of the regulator is provided with a second infusion tube, the front top end of the regulator is provided with a data line, one side of the second infusion tube and one side of the data line are both provided with a length adjusting mechanism, the length adjusting mechanism comprises a shell, the surface of the shell is provided with an annular groove, one side of the annular groove, which is close to each other, is provided with a plurality of connecting grooves which are uniformly distributed, the inner wall of the annular groove is provided with symmetrically arranged supporting rods, the supporting rods are both provided with a plurality of fixing mechanisms which are uniformly distributed, the fixing mechanisms comprise sliding blocks, the two sides of each sliding block are both provided with limit blocks, a plurality of limit grooves which are uniformly distributed are arranged in the supporting rods, the limit grooves are all matched with the limit blocks, and the bottom ends of the limit blocks are both provided with springs connected with the supporting rods, one side of the sliding block is provided with a through hole, the top end and the bottom end of the shell are respectively provided with telescopic rods which are symmetrically arranged, the extending parts of the telescopic rods are respectively matched with the through hole, the second infusion tube and the data line extend into the shell and are fixedly connected with the innermost connecting groove, one side of the data line is provided with a photoelectric sensor, one side of the second infusion tube is provided with a needle head, one side of the needle head is provided with a needle tube, the surface of the needle head is provided with an arc-shaped sliding groove, the arc-shaped sliding groove is provided with an arc-shaped sliding sheet matched with the arc-shaped sliding groove, the arc-shaped sliding sheet is provided with a fixing sheet, the rear surface of the fixing sheet is connected through a rubber band, the surface of the fixing sheet is provided with a plurality of clamping grooves which are uniformly distributed, auxiliary adhesive layers are arranged in the clamping grooves, the clamping grooves are respectively provided with a buckle matched with the clamping grooves, and the bottom ends of the fixing sheet and the needle head are respectively provided with a rubber pad, the bottom of rubber pad is equipped with a plurality of evenly distributed's skid proof block.

Preferably, the surface cover of safety cover is equipped with rather than assorted protective sheath, the surface of protective sheath is arc groove structure, the surface of arc recess is equipped with a plurality of evenly distributed's rubber lug.

Preferably, the protective cover and the front surface of the protective cover are provided with a graduated scale, and the graduated scale is filled with fluorescent powder.

Preferably, the data line with the transfer line two sets are equipped with fixed buckle, fixed buckle has a plurality of, fixed buckle all is equipped with the opening, fixed buckle is the rubber material.

Preferably, one of them is a set of one side of connecting axle all is equipped with the hand wheel, the hand wheel all is equipped with rubber protective sheath, the connecting axle with installation section of thick bamboo junction all is equipped with the sealing layer.

Preferably, the top of slider all is equipped with the opening, be equipped with ring one on the thinnest pole of telescopic link, the bottom of ring one is thinner, just the bottom diameter of ring one is less than the open-ended width.

Preferably, the top end of the sliding block is provided with a second circular ring, the top end of the second circular ring is provided with a second opening, and the width of the second opening is larger than the diameter of the top end of the first circular ring.

Preferably, the aperture of the through hole is sequentially reduced from the middle to two sides, and the connecting grooves have two sizes and are respectively adapted to the second infusion tube and the data line.

Preferably, the first infusion tube is fixedly connected with the needle head through a first connector, and the first infusion tube is fixedly connected with the sealing cover through a second connector.

Preferably, the screen plate structure of separation blade, the separation blade with the installation section of thick bamboo junction is equipped with a plurality of even respective bleeder vents.

The invention has the beneficial effects that: the regulator with the display screen is added on the analgesia pump, the flow rate of the drug in the infusion tube and the blood oxygen saturation are displayed on the display screen, the infusion tube and the data line are connected with the regulator, the needle tube is connected on the infusion tube, so that the analgesia drug can be accurately regulated by a user and medical staff, and the photoelectric sensor is connected on the data line, so that the analgesia pump not only can infuse the user, but also can continuously monitor the blood oxygen saturation of the user; by arranging the reset spring and the sliding pieces, the two groups of sliding pieces are driven to move close to each other under the pulling force of the reset spring to absorb gas in the sucker, so that the protective cover is fixed, and the firmness and the stability of the protective cover are effectively improved; by arranging the length adjusting mechanism, the length of the infusion tube I and the data line can be adjusted, so that the insertion of different parts of the needle tube is adapted; through set up on the syringe needle can the activity pivoted stationary blade, the convenience improves the stability of needle tubing simultaneously to the inserting of needle tubing, sets up draw-in groove, supplementary adhesive layer and buckle on the stationary blade simultaneously, avoids adhesive tape and stationary blade to drop, further improves the fastness between sticky tape and the stationary blade.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of a PCA analgesia pump with a display screen for monitoring blood oxygen saturation according to an embodiment of the invention;

FIG. 2 is a schematic diagram of the internal structure of a protective cover in a PCA analgesia pump with a display screen for monitoring blood oxygen saturation according to an embodiment of the invention;

FIG. 3 is a schematic diagram of the mounting cartridge of a PCA analgesia pump with a display screen for monitoring blood oxygen saturation according to an embodiment of the invention;

FIG. 4 is a schematic diagram of a movable rod of a PCA analgesia pump with a display screen for monitoring blood oxygen saturation according to an embodiment of the invention;

FIG. 5 is a schematic diagram of the structure of the length adjustment mechanism in a PCA analgesia pump with a display screen for monitoring blood oxygen saturation according to an embodiment of the invention;

FIG. 6 is an enlarged schematic diagram of A of a PCA analgesia pump with a display screen for monitoring blood oxygen saturation according to an embodiment of the invention;

FIG. 7 is a schematic diagram of a needle of a PCA analgesia pump with a display screen for monitoring blood oxygen saturation according to an embodiment of the invention;

fig. 8 is a schematic structural diagram of a rubber pad in a PCA analgesia pump with a display screen for monitoring blood oxygen saturation according to an embodiment of the invention.

In the figure:

1. a protective cover; 2. a reservoir; 3. a fixed tube; 4. a liquid inlet hole; 5. a liquid inlet pipe; 6. a sealing cover; 7. a sealing cover; 8. a support block; 9. mounting the cylinder; 10. a suction cup; 11. a baffle plate; 12. a return spring; 13. sliding blades; 14. a connecting plate; 15. a connecting rod; 16. a connecting shaft; 17. a movable rod; 18. fixing the rod; 19. a movable shaft; 20. a support plate; 21. a nose bar; 22. a first infusion tube; 23. a regulator; 24. a display screen; 25. a control button; 26. a second infusion tube; 27. a data line; 28. a length adjustment mechanism; 29. a housing; 30. an annular groove; 31. connecting grooves; 32. a support bar; 33. a slider; 34. a limiting block; 35. a limiting groove; 36. a spring; 37. a through hole; 38. a telescopic rod; 39. a photosensor; 40. a needle head; 41. a needle tube; 42. an arc-shaped chute; 43. an arc-shaped sliding sheet; 44. a fixing sheet; 45. a rubber band; 46. a card slot; 47. a rubber pad; 48. an anti-slip bump; 49. an auxiliary adhesive layer; 50. buckling; 51. a protective sleeve; 52. a graduated scale; 53. fixing the buckle; 54. an opening; 55. a first circular ring; 56. and a second circular ring.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the present invention, a PCA analgesia pump with a display screen for monitoring blood oxygen saturation is provided.

The first embodiment;

as shown in fig. 1-8, the PCA analgesia pump with display screen for monitoring blood oxygen saturation according to the embodiment of the present invention comprises a protective cover 1, a liquid storage bag 2 is arranged at the bottom end inside the protective cover 1, a fixed tube 3 is arranged at the bottom end inside the liquid storage bag 2, a plurality of liquid inlet holes 4 are uniformly distributed on the surface of the fixed tube 3, a liquid inlet tube 5 extending to the inner side of the liquid storage bag 2 is arranged at the top end of the surface of the protective cover 1, a sealing cover 6 matched with the liquid inlet tube 5 is arranged at one side of the liquid inlet tube 5, a sealing cover 7 is arranged at the bottom end of the protective cover 1, supporting blocks 8 are symmetrically arranged at one side of the surface of the protective cover 1, an installation cylinder 9 is arranged on the rear surface of the supporting blocks 8, symmetrically arranged sucking discs 10 are arranged on the rear surface of the installation cylinder 9, a separation blade 11 matched with the installation cylinder 9 is arranged at the middle part inside the installation cylinder 9, return springs 12 matched with the installation cylinder 9 are arranged at both sides of the separation blade 11, the side, far away from each other, of the reset spring 12 is provided with a sliding sheet 13, the sliding sheet 13 and the side, close to each other, of the sliding sheet 13 are provided with connecting plates 14 which are symmetrically arranged, the top end of each connecting plate 14 is provided with a plurality of connecting rods 15 which are uniformly distributed, connecting shafts 16 which are symmetrically arranged are arranged in the mounting barrel 9, one group of the connecting shafts 16 extend to the outer side of the mounting barrel 9, the other group of the connecting shafts 16 are movably connected with the mounting barrel 9, the top end of each connecting shaft 16 is provided with a movable rod 17, the top end of each movable rod 17 is provided with a fixed rod 18, each movable rod 17 is respectively and movably connected with the connecting shaft 16 and the fixed rod 18 through a movable shaft 19, the top end of each fixed rod 18 is provided with a support plate 20, the top end of each support plate 20 is provided with a plurality of uniform and separate convex rods 21, and the convex rods 21 are both matched with the two connecting rods 15 in spacing, the bottom of the sealing cover 7 is provided with a first infusion tube 22, the bottom of the first infusion tube 22 is provided with a regulator 23, the front surface of the regulator 23 is provided with a display screen 24, the bottom of the front surface of the regulator 23 is provided with a plurality of uniform and separate control buttons 25, the front top of the regulator 23 is provided with a second infusion tube 26, the front top of the regulator 23 is provided with a data line 27, one side of the second infusion tube 26 and one side of the data line 27 are both provided with a length adjusting mechanism 28, the length adjusting mechanism 28 comprises a shell 29, the surface of the shell 29 is provided with an annular groove 30, one side of the annular groove 30, which is close to each other, is provided with a plurality of uniformly distributed connecting grooves 31, the inner wall of the annular groove 30 is provided with symmetrically arranged supporting rods 32, the supporting rods 32 are both provided with a plurality of uniformly distributed fixing mechanisms, and the fixing mechanisms comprise sliders 33, both sides of the sliding block 33 are provided with limiting blocks 34, the supporting rod 32 is internally provided with a plurality of limiting grooves 35 which are uniformly distributed, the limiting grooves 35 are matched with the limiting blocks 34, the bottom end of each limiting block 34 is provided with a spring 36 connected with the supporting rod 32, one side of the sliding block 33 is provided with a through hole 37, the top end and the bottom end of the shell 29 are provided with symmetrically arranged telescopic rods 38, the extending parts of the telescopic rods 38 are respectively matched with the through holes 37, the infusion tube II 26 and the data line 27 extend into the shell 29 and are fixedly connected with the innermost connecting groove 31, one side of the data line 27 is provided with a photoelectric sensor 39, one side of the infusion tube II 26 is provided with a needle head 40, one side of the needle head 40 is provided with a needle tube 41, the surface of the needle head 40 is provided with an arc-shaped sliding groove 42, the arc-shaped sliding groove 42 is provided with an arc-shaped sliding sheet 43 matched with the needle tube 40, all be equipped with stationary blade 44 on the arc gleitbretter 43, the rear surface of stationary blade 44 is connected through rubber band 45, the surface of stationary blade 44 is equipped with a plurality of evenly distributed's draw-in groove 46, all be equipped with supplementary adhesion layer 49 in the draw-in groove 46, all be equipped with rather than assorted buckle 50 on the draw-in groove 46, stationary blade 44 with the bottom of syringe needle 40 all is equipped with rubber pad 47, the bottom of rubber pad 47 is equipped with a plurality of evenly distributed's skid proof block 48.

Example two;

as shown in fig. 1-8, according to the PCA analgesia pump with display screen for monitoring blood oxygen saturation in accordance with the embodiment of the present invention, the surface of the protective cover 1 is sleeved with a protective sleeve 51 matched with the protective sleeve, the surface of the protective sleeve 51 is an arc-shaped groove structure, the surface of the arc-shaped groove is provided with a plurality of rubber bumps uniformly distributed, the front surfaces of the protective cover 1 and the protective sleeve 51 are provided with scales 52, the scales 52 are filled with fluorescent powder, the data lines 27 and the second infusion tube 26 are sleeved with fixed buckles 53, the fixed buckles 53 are provided with a plurality of openings, the fixed buckles 53 are all made of rubber material, one side of one group of the connecting shafts 16 is provided with a hand wheel, the hand wheels are all sleeved with rubber protective sleeves, the joints of the connecting shafts 16 and the mounting tube 9 are both provided with a sealing layer, the top ends of the sliders 33 are both provided with openings 54, a first circular ring 55 is arranged on the thinnest rod of the telescopic rod 38, the bottom of the first circular ring 55 is thin, and the diameter of the bottom of the first circular ring 55 is smaller than the width of the opening 54. As can be seen from the above design, the protective cover 51 is convenient for a user to take and place the protective cover 1, and the arc-shaped groove structure and the rubber bump are arranged, so that the surface friction of the protective cover 51 is increased, and the protective cover 51 is prevented from falling off; the graduated scale 52 and the fluorescent powder are arranged, so that the user and medical staff can conveniently observe the content of the medicine in the liquid storage bag 2; by arranging the fixing buckle 53 and the opening, the data line 27 and the second infusion tube 26 can be fixed, the data line 27 and the second infusion tube 26 are prevented from being mixed and disordered, and the fixing buckle 53 is convenient to take out; the hand wheel is arranged, so that the connecting shaft 16 can be conveniently rotated to drive the sliding sheet 13 to move, and the sealing layer is arranged, so that a leak at the connecting part of the connecting shaft 16 and the mounting cylinder 9 is avoided, and the normal use of the sucker 10 is influenced; the opening 54 and the first ring 55 are arranged, so that the user and medical staff can drive the telescopic rod 38 to stretch and retract conveniently.

Example three;

as shown in fig. 1 to 8, according to the PCA analgesia pump with display screen for monitoring blood oxygen saturation in accordance with the embodiment of the present invention, the top ends of the sliding blocks 33 are respectively provided with a second circular ring 56, the top ends of the second circular rings 56 are respectively provided with a second opening, the width of the second opening is greater than the diameter of the top end of the first circular ring 55, the aperture of the through hole 37 is sequentially reduced from middle to two sides, the connecting grooves 31 have two sizes and are respectively adapted to the second infusion tube 26 and the data line 27, the second infusion tube 26 is fixedly connected to the needle 40 through the first connector, the first infusion tube 22 is fixedly connected to the sealing cover 7 through the second connector, the sieve plate structure of the blocking plate 11, and the connecting position of the blocking plate 11 and the mounting cylinder 9 is provided with a plurality of uniformly and respectively air holes. As can be seen from the design, the second annular ring 56 is arranged, so that a user can conveniently pull the sliding block 33, and the speed of adjusting the lengths of the second infusion tube 26 and the data line 27 is effectively increased; by arranging the first connecting head, the second infusion tube 26 can be quickly taken out when infusion is not needed; the first infusion tube 22 can be quickly taken out by arranging the second connector; through setting up separation blade 11 sieve structure and bleeder vent, guarantee the gas permeability of installation section of thick bamboo 9, gleitbretter 13 is at the removal in-process, is convenient for with the gas escape in the installation section of thick bamboo 9 and absorb external air.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, a hand wheel is rotated, a connecting shaft 16 rotates, the connecting shaft 16 drives a movable rod 17 to swing, the movable rod 17 drives a fixed rod 18 to move close to one side of a suction cup 10, the fixed rod 18 drives a supporting plate 20 and a convex rod 21 to move close to one side of the suction cup 10, the convex rod 21 drives a connecting rod 15, a connecting plate 14 and a sliding sheet 13 to move close to one side of the suction cup 10, when the sliding sheet 13 moves to the maximum value, an installation barrel 9 is close to a bed plate, the suction cup 10 is in contact with the bed plate, the hand wheel is released, the sliding sheet 13 is driven to move reversely under the action of a return spring 12, so that the suction cup 10 generates negative pressure and is tightly connected with the bed plate, the length of a second infusion tube 26 is adjusted according to the specific position of a patient of a needle tube 41, when the second infusion tube 26 needs to be extended, a first ring 55 contracts 38, so that a front part of an expansion link 38 of the expansion link 38 is separated from a sliding block 33 on the outer side, under the action of the spring 36, the sliding block 33 is driven to vertically move upwards, when the second infusion tube 26 needs to be shortened, the sliding block 33 is pressed through the second ring 56, the telescopic rod 38 is stretched, the front part of the telescopic rod 38 penetrates through the sliding block 33, and the data line 27 is adjusted; by arranging two fixing pieces 44 capable of adjusting positions on the needle 40, when the needle tube 41 is inserted into a patient, the two fixing pieces 44 are overlapped by pressing, when the needle tube 41 is completely inserted into the patient, the two fixing pieces 44 are released, under the action of the rubber band 45, the two fixing pieces 44 are mutually separated and spread to be in contact with the skin of the patient, the rubber pads 47 with anti-skidding lugs 48 are arranged at the bottom ends of the fixing pieces 44 and the needle 40, the friction force between the fixing pieces 44 and the needle 40 and the skin of the patient is improved, the adhesive tape is attached to the fixing pieces 44, the buckles 50 press the adhesive tape and extend the clamping grooves 46 to be in close contact with the auxiliary adhesive layer 49, and therefore the adhesive tape is prevented from being separated from the fixing pieces 44; the finger of the patient is inserted into the photoelectric sensor 39, the blood oxygen saturation of the patient can be monitored at any time according to the display screen 24 on the regulator 23, the remote working principle is based on the absorption spectrum characteristics of the reduced hemoglobin and the oxygenated hemoglobin in red light and near red light, the photoelectric blood oxygen detection technology is adopted in combination with the volume pulse tracing technology, the finger tip of the human body is irradiated by two beams of light with different wavelengths, the measurement signals are obtained by the photosensitive component, and the obtained information is processed to analyze the blood oxygen saturation value.

In summary, according to the above technical solution of the present invention, the regulator 23 with a display screen is added to the analgesia pump, the display screen 24 displays the flow rate and the blood oxygen saturation of the infusion tube, the infusion tube and the data line 27 are connected to the regulator 23, the infusion tube is connected to the needle tube 41, so that the user and the medical staff can accurately regulate the analgesia drug, and the data line 27 is connected to the photoelectric sensor 39, so that not only can the user be infused, but also the blood oxygen saturation of the user can be continuously monitored; by arranging the reset spring 12 and the sliding pieces 13, under the pulling force of the reset spring 12, the two groups of sliding pieces 13 are driven to move close to each other, so that the gas in the suction disc 10 is absorbed, the protection cover 1 is fixed, and the firmness and the stability of the protection cover 1 are effectively improved; the length of the second infusion tube 26 and the data line 27 can be adjusted by arranging the length adjusting mechanism 28, so that the insertion of different parts of the needle tube 41 is adapted; through set up on syringe needle 40 can move about pivoted stationary blade 44, the convenience is to the insertion of needle tubing 41, improves needle tubing 41's stability simultaneously, sets up draw-in groove 46, supplementary adhesive layer 49 and buckle 50 on stationary blade 44 simultaneously, avoids adhesive tape and stationary blade 44 to drop, further improves the fastness between adhesive tape and the stationary blade 44.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The PCA analgesia pump with the display screen for monitoring the blood oxygen saturation is characterized by comprising a protective cover (1), wherein a liquid storage bag (2) is arranged at the bottom end in the protective cover (1), a fixed pipe (3) is arranged at the bottom end in the liquid storage bag (2), a plurality of uniformly distributed liquid inlet holes (4) are formed in the surface of the fixed pipe (3), the top end of the surface of the protective cover (1) is provided with a liquid inlet pipe (5) extending to the inner side of the liquid storage bag (2), one side of the liquid inlet pipe (5) is provided with a sealing cover (6) matched with the liquid inlet pipe, the bottom end of the protective cover (1) is provided with a sealing cover (7), one side of the surface of the protective cover (1) is provided with symmetrical supporting blocks (8), the rear surface of each supporting block (8) is provided with an installation cylinder (9), and the rear surface of the installation cylinder (9) is provided with symmetrical suckers (10), the middle part in the installation barrel (9) is provided with a separation blade (11) matched with the middle part, two sides of the separation blade (11) are respectively provided with a reset spring (12) matched with the installation barrel (9), one side of the reset spring (12) far away from each other is provided with a slip sheet (13), the slip sheet (13), one side of the slip sheet (13) close to each other is provided with a connecting plate (14) symmetrically arranged, the top end of the connecting plate (14) is provided with a plurality of connecting rods (15) uniformly distributed, a connecting shaft (16) symmetrically arranged is arranged in the installation barrel (9), one group of the connecting shaft (16) extends to the outer side of the installation barrel (9), the other group of the connecting shaft (16) is movably connected with the installation barrel (9), the top end of the connecting shaft (16) is provided with a movable rod (17), the top end of the movable rod (17) is provided with a fixed rod (18), the movable rod (17) is respectively movably connected with the connecting shaft (16) and the fixed rod (18) through a movable shaft (19), a supporting plate (20) is arranged at the top end of the fixed rod (18), a plurality of uniform and different convex rods (21) are arranged at the top end of the supporting plate (20), the convex rods (21) are respectively matched with the space between the two connecting rods (15), a first infusion tube (22) is arranged at the bottom end of the sealing cover (7), an adjuster (23) is arranged at the bottom end of the first infusion tube (22), a display screen (24) is arranged on the front surface of the adjuster (23), a plurality of uniform and different control buttons (25) are arranged at the bottom end of the front surface of the adjuster (23), a second infusion tube (26) is arranged at the front top end of the adjuster (23), a data line (27) is arranged at the front top end of the adjuster (23), and a length adjusting mechanism (28) is arranged on one side of the second infusion tube (26) and the data line (27), the length adjusting mechanism (28) comprises a shell (29), an annular groove (30) is arranged on the surface of the shell (29), a plurality of evenly distributed connecting grooves (31) are arranged on one side, close to each other, of the annular groove (30), supporting rods (32) are symmetrically arranged on the inner wall of the annular groove (30), a plurality of evenly distributed fixing mechanisms are arranged on the supporting rods (32), each fixing mechanism comprises a sliding block (33), limiting blocks (34) are arranged on two sides of each sliding block (33), a plurality of evenly distributed limiting grooves (35) are arranged in the supporting rods (32), the limiting grooves (35) are matched with the limiting blocks (34), springs (36) connected with the supporting rods (32) are arranged at the bottoms of the limiting blocks (34), through holes (37) are arranged on one side of each sliding block (33), the top and the bottom of shell (29) all are equipped with telescopic link (38) that the symmetry set up, telescopic link (38) extension respectively with through-hole (37) phase-match, transfer line two (26) with data line (27) all extend to in shell (29) and with the innermost spread groove (31) fixed connection, one side of data line (27) is equipped with photoelectric sensor (39), one side of transfer line two (26) is equipped with syringe needle (40), one side of syringe needle (40) is equipped with needle tubing (41), the surface of syringe needle (40) is equipped with arc spout (42), all be equipped with rather than assorted arc gleitbretter (43) on arc spout (42), all be equipped with stationary blade (44) on arc gleitbretter (43), the rear surface of stationary blade (44) is connected through rubber band (45), the surface of stationary blade (44) is equipped with a plurality of evenly distributed's draw-in groove (46), all be equipped with in draw-in groove (46) and assist adhesion layer (49), all be equipped with rather than assorted buckle (50) on draw-in groove (46), stationary blade (44) with the bottom of syringe needle (40) all is equipped with rubber pad (47), the bottom of rubber pad (47) is equipped with a plurality of evenly distributed's skid proof block (48).

2. The PCA analgesia pump with a display screen for monitoring blood oxygen saturation according to claim 1, wherein the surface of the protective cover (1) is sleeved with a matched protective cover (51), the surface of the protective cover (51) is of an arc-shaped groove structure, and the surface of the arc-shaped groove is provided with a plurality of uniformly distributed rubber bumps.

3. The PCA analgesia pump with a display screen for monitoring blood oxygen saturation according to claim 2, wherein the front surfaces of the protective cover (1) and the protective cover (51) are provided with a graduated scale (52), and the graduated scale (52) is filled with fluorescent powder.

4. The PCA analgesia pump with the display screen for monitoring the blood oxygen saturation degree according to claim 1, wherein a plurality of fixing buckles (53) are sleeved on the data line (27) and the second infusion tube (26), the fixing buckles (53) are provided with openings, and the fixing buckles (53) are made of rubber.

5. The PCA analgesia pump with the display screen for monitoring the blood oxygen saturation degree according to claim 1, wherein hand wheels are arranged on one side of each group of the connecting shafts (16), the hand wheels are sleeved with rubber protective sleeves, and sealing layers are arranged at the joints of the connecting shafts (16) and the mounting cylinders (9).

6. The PCA analgesia pump with the display screen for monitoring the blood oxygen saturation level according to claim 1, wherein the top ends of the sliding blocks (33) are provided with openings (54), the thinnest rod of the telescopic rod (38) is provided with a first circular ring (55), the bottom of the first circular ring (55) is thinner, and the diameter of the bottom of the first circular ring (55) is smaller than the width of the openings (54).

7. The PCA analgesia pump with display screen for monitoring blood oxygen saturation according to claim 6, wherein the top ends of the sliding blocks (33) are provided with second circular rings (56), the top ends of the second circular rings (56) are provided with second openings, and the width of the second openings is larger than the diameter of the top ends of the first circular rings (55).

8. The PCA analgesia pump with display screen for monitoring blood oxygen saturation according to claim 1, wherein the aperture of the through hole (37) is reduced from the middle to two sides, and the connecting groove (31) has two sizes which are respectively adapted to the infusion tube II (26) and the data line (27).

9. The PCA analgesia pump with a display screen for monitoring blood oxygen saturation according to claim 1, wherein the second infusion tube (26) is fixedly connected with the needle (40) through a first connector, and the first infusion tube (22) is fixedly connected with the sealing cover (7) through a second connector.

10. The PCA analgesia pump with a display screen for monitoring blood oxygen saturation according to claim 1, wherein the screen plate structure of the separation blade (11) is provided with a plurality of uniformly-separated air holes at the joint of the separation blade (11) and the installation cylinder (9).