CN116212157A

CN116212157A - Prevent that patient from lying down oppression and keeping somewhere needle nursing device

Info

Publication number: CN116212157A
Application number: CN202310290309.8A
Authority: CN
Inventors: 杨文婷
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-06-06

Abstract

The invention relates to the technical field of indwelling needle nursing and discloses an indwelling needle nursing device for preventing a patient from lying down and pressing, which comprises a bed plate, wherein an auxiliary transfusion component is arranged on the bed plate, an anti-pressing component is arranged on the auxiliary transfusion component, a first magnet piece is arranged in the auxiliary transfusion component, a main cavity is arranged above the first magnet piece, in swinging of the swinging piece, the swinging piece which is originally used for blocking a transmission air pipe can gradually release the blocking of the first magnet piece, at the moment, compressed air arranged in the main cavity can be filled into an air bag through the transmission air pipe, the air bag expands, the indwelling needle inserted into the hand of the patient due to the expansion of the air bag can not be pressed, namely, the situation that the patient falls down or is pressed to the indwelling needle on the hand in a side lying down and turning over mode during the period can be effectively prevented through the arrangement of the anti-pressing component, and the situation that unnecessary pain is added to the patient due to the fact that the indwelling needle is bent or shifted in the pressing under the condition of no protection is avoided.

Description

Prevent that patient from lying down oppression and keeping somewhere needle nursing device

Technical Field

The invention relates to the technical field of indwelling needle nursing, in particular to a nursing device for preventing a patient from lying down to press the indwelling needle.

Background

When people get ill, the patients usually go to a hospital for treatment, wherein the transfusion to the patients is a measure which is usually done by doctors for light patients;

however, in the prior art, during the retention period, the retention needle on the drip generally requires the hand surface of a patient and the wrist joint of the patient to be in a flat state as much as possible, so that the purpose of the retention needle is to enable the liquid medicine to flow in a relatively flat blood vessel when the therapeutic liquid medicine is conveyed to a human body, thereby facilitating the normal operation of transfusion and preventing the discomfort of the patient caused by unsmooth flow of the liquid medicine in the blood vessel when the blood vessel is bent;

in addition, when the patient is in a prone position for transfusion, if the patient is asleep or is on his or her side lying and turning over during an inattention period, there is a high possibility that the indwelling needle tip is pressed against the indwelling needle on the patient's hand, and in this case, there is a high possibility that the indwelling needle tip is bent or displaced during the pressing, which may add unnecessary pain to the patient.

So we propose a nursing device for preventing the patient from lying down to press the indwelling needle to solve the above problems.

Disclosure of Invention

(one) solving the technical problems

In view of the above, the present invention provides a device for preventing a patient from being pressed to an indwelling needle while lying down, which overcomes the drawbacks of the prior art; the nursing device for preventing the patient from lying down and pressing the detained needle can ensure that the hand surface of the patient and the wrist joint of the patient are in a straight state in the infusion process so as to solve the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the present invention provides the following technical solutions: the nursing device for preventing the patient from lying down to press the indwelling needle comprises a bed plate, wherein an auxiliary transfusion assembly is arranged on the bed plate, and an anti-pressing assembly is arranged on the auxiliary transfusion assembly;

be provided with first magnetism stone chip in the auxiliary transfusion assembly, first magnetism stone chip top is provided with the main cavity body, swing joint has the constraint area on the main cavity body, the constraint takes and has seted up foraminiferous, fixedly connected with U-shaped fixed block on the main cavity body.

Preferably, the U-shaped fixing block is provided with a jack, a plug-in column is plugged in the jack, the top end of the plug-in column is fixedly connected with a pulling piece, and the bottom surface of the pulling piece is fixedly connected with a first spring.

Preferably, a finger stall is arranged on the main cavity.

Preferably, a flat sheet is arranged in the finger stall, a second spring is fixedly connected to the bottom surface of the flat sheet and positioned in the finger stall, and a rope is fixedly connected to the bottom surface of the flat sheet.

Preferably, the first pulley is fixedly connected in the main cavity, the auxiliary block is fixedly connected with one side of the first pulley and positioned in the main cavity, the second pulley is arranged on one side of the auxiliary block, the third spring is fixedly connected to the bottom of the top end of the auxiliary block, and a movable wafer is arranged at one end, far away from the auxiliary block, of the third spring.

Preferably, a shaft lever is arranged on one side of the top end of the auxiliary block, a swinging piece is connected to the shaft lever in a rotating mode, an inverted Y-shaped groove is formed in the swinging piece, and a limiting column is connected to the inverted Y-shaped groove in a sliding mode.

Preferably, the bottom end of the swing piece is fixedly connected with a counterweight ball.

Preferably, a supporting body is arranged on one side of the swing piece and positioned in the main cavity, a transmission air pipe is fixedly connected to the supporting body, an air bag is arranged on the binding belt, and a unidirectional air injection port is arranged on one side of the main cavity.

Preferably, the second spring has a larger spring force than the third spring.

(III) beneficial effects

Compared with the prior art, the invention provides a nursing device for preventing a patient from lying down to press a retention needle, which has the following beneficial effects:

1. according to the invention, after the hand of a patient is fixed, the wrist of the patient is positioned between the two binding bands, the hand surface of the patient and the wrist of the patient are in a straight state under the support of the main cavity, and through the design, the liquid medicine can flow in a relatively straight blood vessel when the therapeutic liquid medicine is conveyed to a human body, so that the normal operation of transfusion is facilitated, and the condition that the discomfort of the patient is caused by the unsmooth flow of the liquid medicine in the blood vessel when the blood vessel is bent can be prevented to the greatest extent;

2. the invention can realize that when the swinging piece swings, the swinging piece which is originally used for blocking the transmission air pipe can gradually release the blocking of the swinging piece, at the moment, compressed air arranged in the main cavity body can be filled into the air bag through the transmission air pipe, at the moment, the air bag is expanded, namely, the detaining needle inserted into the hand of a patient can not be pressed due to the expansion of the air bag at the moment, namely, the situation that the patient sleeps or turns over on the side in an careless period to press the detaining needle on the hand can be effectively prevented through the arrangement of the anti-pressing component, and the situation that the detaining needle head bends or shifts in the pressing to increase unnecessary pain to the patient under the condition of no protection is avoided;

3. the limiting column is indirectly moved downwards from the upper groove of the inverted Y-shaped groove to the lower arc-shaped groove after the finger of a patient is inserted into the finger stall, namely, under normal conditions, if the finger of the patient is not inserted into the finger stall, the limiting column is positioned in the vertical groove of the inverted Y-shaped groove, at the moment, the swinging plate cannot release the blocking of the transmission air pipe no matter the equipment is in a straight state or in an inclined state, namely, the compression prevention assembly cannot work, namely, the compression prevention assembly can be prevented from being triggered by mistake in non-use time through the arrangement of the limiting column and the counterweight ball;

4. when the hands of the patient are inclined with the main cavity, the counterweight ball swings under the action of gravity, so that the blocking of the transmission air pipe is relieved, the anti-compression assembly is started to protect the detained needle on the hands of the patient, namely, the anti-compression assembly can be automatically started through the inclination of the counterweight ball without being assisted by related inclination detection equipment, the arrangement of parts is reduced for the whole device, and the cost is reduced;

5. the auxiliary transfusion assembly and the compression-preventing assembly do not need to be driven and controlled by electricity during working, and the arrangement does not bring potential safety hazard in electric power to a user, so that the infusion device is quite safe.

Drawings

FIG. 1 is a main block diagram of the present invention;

FIG. 2 is a side view of the body structure of the present invention;

FIG. 3 is a main body structure diagram of an auxiliary transfusion assembly according to the present invention;

FIG. 4 is an enlarged view of the area A of FIG. 3 in accordance with the present invention;

FIG. 5 is a schematic view of the main body of the compression prevention assembly of the present invention;

fig. 6 is a view showing a construction of the anti-compression assembly according to the present invention in operation;

FIG. 7 is an enlarged view of the structure of area B of FIG. 5 in accordance with the present invention;

FIG. 8 is an enlarged view of the structure of area C of FIG. 5 in accordance with the present invention;

FIG. 9 is a diagram showing the position distribution of the binding belt, the delivery pipe, the air bag and other related structures in the invention;

fig. 10 is a diagram showing the construction of the swing piece according to the present invention when swinging.

In the figure:

1. a bed board;

2. an auxiliary infusion assembly; 201. a first magnet sheet; 202. a main cavity; 203. a tie-down strap; 204. a hole; 205. u-shaped fixed blocks; 206. a jack; 207. a plug-in column; 208. a pulling piece; 209. a first spring; 210. a finger glove;

3. an anti-compression assembly; 301. a flat sheet; 302. a second spring; 303. a rope; 304. a first pulley; 305. an auxiliary block; 306. a second pulley; 307. a third spring; 308. moving the wafer; 309. a shaft lever; 310. a swinging plate; 311. an inverted Y-shaped groove; 312. a restraining post; 313. a weight ball; 314. a support body; 315. a delivery gas tube; 316. an air bag; 317. a unidirectional gas injection port.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The invention is described in further detail below with reference to the drawings and examples.

Example 1

Please refer to fig. 1 to 4:

to solve the problems mentioned in the technical solution, this embodiment involves the following parts:

201. a first magnet sheet; 202. a main cavity; 203. a tie-down strap; 204. a hole; 205. u-shaped fixed blocks; 206. a jack; 207. a plug-in column; 208. a pulling piece; 209. a first spring; 210. finger stall.

Be provided with first magnetism stone chip 201 in the auxiliary transfusion system 2, first magnetism stone chip 201 can set up on bed board 1 different positions according to specific position of use, first magnetism stone chip 201 top is provided with main cavity 202, be provided with the magnetism piece on the bottom surface of main cavity 202, can adsorb each other with first magnetism stone chip 201, swing joint has constraint area 203 on the main cavity 202, the foraminiferous 204 has been seted up on the constraint area 203, foraminiferous 204 and grafting post 207 mutually support and use for adjust elasticity, foraminiferous 204 has been seted up and is not less than one, mainly used is suitable for the hand of equidimension, fixedly connected with U-shaped fixed block 205 on the main cavity 202, set up jack 206 on the U-shaped fixed block 205, the spliced post 207 has been inserted in jack 206, spliced post 207 top fixedly connected with pulling piece 208, fixedly connected with first spring 209 on the pulling piece 208 bottom surface, be provided with dactylotheca 210 on the main cavity 202, dactylotheca 210 is provided with five altogether.

Example two

Please refer to fig. 1, 5-10:

301. a flat sheet; 302. a second spring; 303. a rope; 304. a first pulley; 305. an auxiliary block; 306. a second pulley; 307. a third spring; 308. moving the wafer; 309. a shaft lever; 310. a swinging plate; 311. an inverted Y-shaped groove; 312. a restraining post; 313. a weight ball; 314. a support body; 315. a delivery gas tube; 316. an air bag; 317. a unidirectional gas injection port.

The finger glove 210 is internally provided with a flat sheet 301, the bottom surface of the flat sheet 301 is fixedly connected with a second spring 302 which is positioned in the finger glove 210, the elasticity of the second spring 302 is larger than that of a third spring 307, the bottom surface of the flat sheet 301 is fixedly connected with a rope 303, the inside of the main cavity 202 is fixedly connected with a first pulley 304, the first pulley 304 and the second pulley 306 are mainly used for assisting the rope 303, one side of the first pulley 304 is fixedly connected with an auxiliary block 305 which is positioned in the main cavity 202, one side of the auxiliary block 305 is provided with a second pulley 306, the bottom of the top end of the auxiliary block 305 is fixedly connected with a third spring 307, one end of the third spring 307 far away from the auxiliary block 305 is provided with a movable circular disc 308, one side of the top end of the auxiliary block 305 is provided with a shaft 309, the shaft 309 can only drive the swing piece 310 to swing left and right by a certain angle, the shaft 309 is rotatably connected with a swing piece 310, an inverted Y-shaped groove 311 is formed in the swing piece 310, the inverted Y-shaped groove 311 is connected with a limiting column 312, the bottom end of the swing piece 310 is fixedly connected with a counterweight 313, one side of the swing piece 310 is provided with a support body 314, the main body 314 is mainly positioned in the main cavity 202, the support body 314 is mainly is fixedly connected with the inside the main cavity 316, the main body is used for supporting the main body 316, the air bag is fixedly connected with the air bag 316, the upper end of the auxiliary block 315 is provided with the auxiliary body is connected with the auxiliary body 315, the air bag is fixedly connected with the air bag 315, the auxiliary body is connected with the air bag 315 through the auxiliary body 315, and the auxiliary body is provided with an air bag 315, and the air bag 316, the air bag is connected with the auxiliary body and the air bag through the auxiliary body and the air bag body and the auxiliary body and the air body and the auxiliary body.

Example III

Please refer to fig. 1 to 10:

an auxiliary transfusion assembly 2 is arranged on the bed board 1, and an anti-compression assembly 3 is arranged on the auxiliary transfusion assembly 2;

a first magnet piece 201 is arranged in the auxiliary transfusion assembly 2, the first magnet piece 201 can be arranged at different positions of the bed board 1 according to specific use positions, a main cavity 202 is arranged above the first magnet piece 201, a magnetic piece is arranged on the bottom end surface of the main cavity 202 and can be mutually adsorbed with the first magnet piece 201, a binding belt 203 is movably connected to the main cavity 202, a hole 204 is formed in the binding belt 203, a U-shaped solid 205 is fixedly connected to the main cavity 202, an inserting hole 206 is formed in the U-shaped solid 205, an inserting column 207 is inserted into the inserting hole 206, a pulling piece 208 is fixedly connected to the top end of the inserting column 207, a first spring 209 is fixedly connected to the bottom surface of the pulling piece 208, a finger sleeve 210 is arranged on the main cavity 202, and five finger sleeves 210 are arranged in total;

the finger glove 210 is internally provided with a flat sheet 301, the bottom surface of the flat sheet 301 is fixedly connected with a second spring 302 which is positioned in the finger glove 210, the elasticity of the second spring 302 is larger than that of a third spring 307, the bottom surface of the flat sheet 301 is fixedly connected with a rope 303, the inside of the main cavity 202 is fixedly connected with a first pulley 304, the first pulley 304 and the second pulley 306 are mainly used for assisting the rope 303, one side of the first pulley 304 is fixedly connected with an auxiliary block 305 which is positioned in the main cavity 202, one side of the auxiliary block 305 is provided with a second pulley 306, the bottom of the top end of the auxiliary block 305 is fixedly connected with a third spring 307, one end of the third spring 307 far away from the auxiliary block 305 is provided with a movable disc 308, one side of the top end of the auxiliary block 305 is provided with a shaft 309, the shaft 309 can only drive the swing piece 310 to swing left and right by a certain angle, the shaft 309 is rotationally connected with a swing piece 310, the swing piece 310 is provided with an inverted Y-shaped groove 311, the inverted Y-shaped groove 311 is connected with a limiting column 312, the movable disc 308 is fixedly connected with the limiting column 312, the bottom of the swing piece 310 is fixedly connected with a counterweight ball 313, one side of the swing piece 310 is provided with a main cavity 314, and one side of the main cavity 202 is provided with an inner slide 314, when the main cavity 202 is positioned in the main cavity 202, a support 314 is provided with a main cavity 316, and is connected with a main air bag 316, and is provided with a vent, and a vent is fixedly connected with a side of the auxiliary air pipe 315, and a source is provided with a one-way air pump, and the auxiliary air pump is provided with a 317.

Working principle:

the initial state is as follows: the main chamber 202 is filled with compressed gas, the second spring 302 is not compressed, the third spring 307 is in a compressed state, the restricting column 312 is arranged on the upper portion of the inverted Y-shaped groove 311, the swinging piece 310 is restricted by the restricting column 312 and cannot swing, and the transmitting air pipe 315 is blocked by the swinging piece 310.

The method comprises the following steps:

the following is the working procedure of the auxiliary transfusion assembly 2:

when the medical infusion device is used, a patient needs to put hands on the main cavity 202, then fingers are inserted into the finger sleeve 210, the binding band 203 is inserted through the through hole formed in the U-shaped fixing block 205, the medical infusion device is adjusted according to the thickness of the wrist of the patient, the pulling piece 208 is pulled upwards, the first spring 209 is stretched, the insertion hole 206 on the binding band 203 is aligned with the insertion column 207, the pulling piece 208 is loosened, the insertion column 207 at the bottom end of the pulling piece 208 is inserted into the band hole 204 on the binding band 203, so that the hands of the patient are fixed, the wrist of the patient is positioned between the two binding bands 203, the hand surface of the patient and the wrist of the patient are in a straight state under the support of the main cavity 202, the medical infusion device can effectively flow in a relatively straight blood vessel when the medical liquid is conveyed to the human body through the design, normal transfusion is convenient, and the condition that the medical liquid in the blood vessel flows unsmooth in the blood vessel when the blood vessel is bent can be prevented to the greatest extent;

the above operation is described with reference to fig. 1 to 4.

The following is the working procedure of the compression prevention assembly 3:

further, after the finger of the patient is inserted into the finger stall 210, the finger of the patient presses down the second spring 302 through the flat sheet 301, and since the elastic force of the second spring 302 is greater than that of the third spring 307, when the second spring 302 is pressed down, the length of the rope 303 is unchanged, at this time, the moving disc 308 positioned at the other end of the rope 303 and fixedly connected with the moving disc is pushed down during the recovery of the third spring 307 in the original compressed state, and further, when the moving disc 308 is pushed down by the third spring 307, the limiting post 312 fixed on the moving disc 308 runs from the vertical channel of the inverted Y-shaped groove 311 to the arc channel of the inverted Y-shaped groove 311, as can be seen in fig. 8;

furthermore, when the patient lies on his/her side, the main cavity 202 fixed with the patient's hand by the binding strap 203 is changed from a flat state to an inclined state, at this time, the swing piece 310 provided on the shaft 309 swings under the driving of the bottom weight ball 313, during the swing, the swing piece 310 that was originally used to seal the transfer air tube 315 gradually releases the seal of the swing piece, at this time, the compressed air provided in the main cavity 202 fills the air bag 316 through the transfer air tube 315, at this time, the air bag 316 is inflated, i.e. at this time, due to the inflation of the air bag 316, the inflated air bag 316 will not compress the indwelling needle inserted in the patient's hand while the patient lies on his/her side, i.e. by the arrangement of the anti-compression assembly 3, the situation that the patient lies on his/her side and presses the indwelling needle on the hand during the rest is effectively prevented from bending or shifting during the compression under the unprotected condition, and unnecessary pain is prevented from occurring to the patient during the compression;

furthermore, the limiting post 312 is indirectly moved downwards from the upper channel of the inverted Y-shaped groove 311 to the lower arc channel after the finger of the patient is inserted into the finger stall 210, that is, if the finger of the patient is not inserted into the finger stall 210, the limiting post 312 is positioned in the vertical channel of the inverted Y-shaped groove 311, and at this time, the swinging plate 310 does not unblock the air transmission pipe 315 no matter the device is in a straight state or in an inclined state, that is, the compression prevention assembly 3 does not work, that is, the compression prevention assembly 3 is prevented from being triggered by mistake in a non-use time by the arrangement of the limiting post 312 and the weight ball 313;

furthermore, when the hand of the patient is inclined with the main cavity 202, the weight ball 313 swings under the action of gravity, so as to release the blocking of the transmission air pipe 315, and the anti-compression assembly 3 is started to protect the retention needle on the hand of the patient, namely the anti-compression assembly 3 can be automatically started through the inclination of the weight ball 313, and related inclination detection equipment is not needed to be added, so that the setting of components is reduced for the whole device, and the cost is reduced;

furthermore, the whole device, namely the auxiliary transfusion assembly 2 and the compression-preventing assembly 3, do not need to be driven and controlled by electricity during working, and the arrangement can not bring potential safety hazards in electric power to users, so that the device is quite safe.

The above operation is described with reference to fig. 5 to 10.

The method is as follows:

the patient can be inserted with the hand of remaining needle through setting up the magnetic sheet that first magnetism piece 201 and main cavity 202 bottom set up on bed board 1, inhale through the supplementary magnetism of constraint area 203 and fix on bed board 1, thereby reduce the number of times of inserting the hand of remaining needle and disorder, simultaneously when patient's infusion, main cavity 202 and a set of constraint area 203 in supplementary infusion set 2 can tie up patient's hand face and wrist joint, thereby guarantee going on smoothly of infusion, can not make the patient produce discomfort, in addition, prevent pressing the subassembly 3 and can automated inspection and prevent the remaining needle on patient's hand to receive the oppression through the bulge of gasbag 316 when the patient overturn the body under unconscious or careless circumstances.

To sum up:

after the hand of a patient is fixed, the wrist of the patient is positioned between the two binding bands 203, the hand surface of the patient and the wrist of the patient are in a straight state under the support of the main cavity 202, and by the design, the liquid medicine can flow in a relatively straight blood vessel effectively when the therapeutic liquid medicine is conveyed to a human body, so that the normal operation of transfusion is facilitated, and the condition that the discomfort of the patient is caused by unsmooth liquid medicine flowing in the blood vessel when the blood vessel is bent can be prevented to the greatest extent;

in the swinging of the swinging piece 310, the swinging piece 310 which is originally used for plugging the transmission air pipe 315 gradually releases the plugging of the transmission air pipe 315, at the moment, compressed air arranged in the main cavity 202 is filled into the air bag 316 through the transmission air pipe 315, at the moment, the air bag 316 is inflated, namely, the indwelling needle inserted into the hand of a patient is not pressed due to the inflation of the air bag 316 at the moment, namely, the situation that the patient sleeps or rolls over on the side in an careless period to press the indwelling needle on the hand can be effectively prevented through the anti-pressing component 3, and the situation that the indwelling needle head bends or shifts in the pressing to increase unnecessary pain to the patient under the unprotected condition is avoided;

when the finger of the patient is inserted into the finger stall 210, the limiting column 312 is indirectly moved downwards from the upper channel of the inverted Y-shaped groove 311 to the lower arc channel, that is, under normal conditions, if the finger of the patient is not inserted into the finger stall 210, the limiting column 312 is positioned in the vertical channel of the inverted Y-shaped groove 311, and at the moment, the swinging plate 310 cannot unblock the transmission air tube 315 no matter the device is in a straight state or in an inclined state, namely, the anti-compression assembly 3 cannot work, namely, the anti-compression assembly 3 can be prevented from being triggered by mistake in the non-use time through the arrangement of the limiting column 312 and the counterweight ball 313;

when the hands of the patient are inclined with the main cavity 202, the counterweight ball 313 swings under the action of gravity, so that the blocking of the transmission air pipe 315 is relieved, the anti-compression assembly 3 is started to protect the indwelling needle on the hands of the patient, namely, the anti-compression assembly 3 can be automatically started through the inclination of the counterweight ball 313 without being assisted with related inclination detection equipment, the setting of parts is reduced for the whole device, and the cost is reduced;

this kind of prevent patient's oppression and keep somewhere needle nursing device need not to use electricity to drive control at the during operation through whole equipment auxiliary transfusion system 2 and anti-compression subassembly 3, and this kind of setting can not bring the potential safety hazard in the aspect of electric power for the user, and is very safe.

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

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 prevent patient's oppression and keep somewhere needle nursing device, includes bed board (1), its characterized in that: an auxiliary transfusion assembly (2) is arranged on the bed board (1), and an anti-compression assembly (3) is arranged on the auxiliary transfusion assembly (2);

be provided with first magnetism stone chip (201) in supplementary infusion subassembly (2), first magnetism stone chip (201) top is provided with main cavity body (202), swing joint has constraint area (203) on main cavity body (202), take hole (204) have been seted up on constraint area (203), fixedly connected with U-shaped fixed block (205) on main cavity body (202).

2. A patient-friendly compression indwelling needle care device as claimed in claim 1, in which: the U-shaped fixed block (205) is provided with a jack (206), a plug-in column (207) is inserted into the jack (206), a pulling piece (208) is fixedly connected to the top end of the plug-in column (207), and a first spring (209) is fixedly connected to the bottom surface of the pulling piece (208).

3. A patient-friendly compression indwelling needle care device as claimed in claim 2, in which: a finger glove (210) is arranged on the main cavity (202).

4. A patient-friendly compression indwelling needle care device as claimed in claim 3, in which: be provided with plain film (301) in dactylotheca (210), plain film (301) bottom surface just is located dactylotheca (210) internal fixation and is connected with second spring (302), fixedly connected with rope (303) on plain film (301) bottom surface.

5. A patient-friendly compression indwelling needle care device as claimed in claim 1, in which: the novel self-locking device is characterized in that a first pulley (304) is fixedly connected in the main cavity (202), an auxiliary block (305) is fixedly connected to one side of the first pulley (304) and located in the main cavity (202), a second pulley (306) is arranged on one side of the auxiliary block (305), a third spring (307) is fixedly connected to the bottom of the top end of the auxiliary block (305), and a movable disc (308) is arranged at one end, far away from the auxiliary block (305), of the third spring (307).

6. A patient-friendly compression indwelling needle care device as claimed in claim 5, in which: the auxiliary block (305) top one side is provided with axostylus axostyle (309), rotate on axostylus axostyle (309) and be connected with swing piece (310), set up on swing piece (310) and fall Y-shaped groove (311), fall Y-shaped groove (311) sliding connection has restriction post (312).

7. A patient-friendly compression indwelling needle care device as claimed in claim 6, in which: and the bottom end of the swing piece (310) is fixedly connected with a counterweight ball (313).

8. A patient-friendly compression indwelling needle care device as claimed in claim 7, in which: the utility model discloses a main cavity body, including main cavity body (202) and tie down, swing piece (310) one side just is provided with supporter (314) in being located main cavity body (202), fixedly connected with transfer trachea (315) on supporter (314), be provided with gasbag (316) on tie down area (203), main cavity body (202) one side is provided with one-way gas injection mouth (317).

9. A patient-friendly compression indwelling needle care device as claimed in claim 4, in which: the elastic force of the second spring (302) is larger than that of the third spring (307).