CN207024098U - Adjustable abdominocentesis needle fixation device - Google Patents

Abstract

An adjustable abdominal puncture needle fixing device solves the problems in the prior art that fixing the puncture needle with both hands or adhesive tape is prone to displacement of the abdominal puncture needle, increasing the pain of the patient, and increasing the probability of iatrogenic infection. It includes a fixed clip seat, which is characterized in that: a clamping opening is formed between the upper splint and the lower splint of the fixed clip seat, and a clamping mechanism is arranged on the lower splint; The telescopic sleeve is connected; the telescopic rod is installed in the rotating telescopic sleeve, and the telescopic locking mechanism is set at the front of the rotating telescopic sleeve; the needle handle clamp is arranged on the fixed plate at the front end of the telescopic rod; The front ends are connected, and the lower part of the fixed plate body is arranged with several short connecting columns with suction cups at the lower ends. It has a reasonable design and a compact structure. It can flexibly adjust the height and angle according to the patient's body position and abdominal distension state. It has good comfort, high nursing quality, and safe and reliable use.

Description

Adjustable paracentesis needle fixation device

technical field

The utility model belongs to the technical field of medical devices, in particular to an adjustable abdominal puncture needle fixing device which can flexibly adjust the height and angle according to the patient's body position and the state of abdominal distension, has good comfort, high nursing quality, and safe and reliable use.

Background technique

Ascites is one of the most prominent clinical manifestations of late liver disease, which can cause discomfort such as abdominal distension and labored breathing. Performing paracentesis for ascites treatment can alleviate the patient's discomfort and clarify the nature of ascites, which provides an important basis for clinical diagnosis and treatment.

In order to avoid displacement of the puncture needle caused by factors such as abdominal pressure and ascites impact force, the doctor needs to fix the puncture needle with both hands or adhesive tape during the process of abdominal puncture and ascites discharge. This traditional clinical operation method not only increases the workload of doctors, but also often causes the abdominal puncture needle to shift or even slip out due to hand fatigue caused by long-term holding or insufficient tension of the adhesive tape; This leads to repeated adjustment of the puncture needle position or repeated punctures, which increases the pain of the patient, and is accompanied by complications such as bleeding, and the probability of iatrogenic infection is high. Therefore, it is necessary to improve the prior art paracentesis needle fixation method.

Utility model content

The utility model aims at the above problems and provides an adjustable abdominal puncture needle fixing device that can flexibly adjust the height and angle according to the patient's body position and the state of abdominal distension, has good comfort, high nursing quality, and is safe and reliable.

The technical solution adopted by the utility model is: the adjustable abdominal puncture needle fixing device includes a fixed clip seat, which is characterized in that: the fixed clip seat includes a lower splint, an upper splint is arranged above the lower splint, an upper splint and a lower splint The upper splint and the lower splint are connected by a side vertical plate, and a clamping opening is formed between the upper splint and the lower splint. The lower splint is provided with a clamping mechanism; the upper splint is provided with a support column, and the lower end of the support column is connected with the upper part of the upper splint, and the upper end of the support column The rotating shaft is connected to the rear end of the rotating telescopic sleeve, and a rotating locking mechanism is provided between the rotating telescopic sleeve and the supporting column; a telescopic rod is arranged inside the rotating telescopic sleeve, and a telescopic locking mechanism is provided at the front opening end of the rotating telescopic sleeve The front end of the telescopic rod is provided with a fixed plate, and the fixed plate is provided with a needle handle clip; the fixed plate includes a plate body, and the upper part of the plate body is connected with the connector at the front end of the telescopic rod through a universal ball head, and the lower part of the plate body is provided with several A short connecting post is provided with a suction cup at the lower end of the short connecting post.

The shape of the fixed plate body is a triangular star, and the three short connecting columns are respectively arranged at the three corners of the triangular star-shaped body; the suction cup is connected to the lower end of the short connecting column through a universal rotating ball head . A plane is determined by three points, regardless of the local topography of the patient's skin surface at the puncture site, the suction cup can be adapted to the radian of the patient's body surface, and can be stably adsorbed on the skin surface; and the structure of the triangular star plate increases The operable range of the needle handle clamp is limited.

The needle handle clamp arranged on the fixed plate includes a first clamp body and a second clamp body arranged in a V shape, one side of the first clamp body and the second clamp body are connected by a rotating bolt, and the other side of the first clamp body One side is provided with a locking stud, one end of the locking stud is connected with the first clamp body through a rotary pin, the other end of the locking stud is provided with a lock nut; the other side of the second clamping body is provided with a card interface; the needle handle clamp is connected with the handle clamp connection hole on the fixed plate body by turning the bolt. The fixed position of the needle handle of the puncture needle is adjusted according to the depth of the puncture needle piercing into the patient's body, so that the fixing plate can be fixed with the patient through the suction cup.

The upper part of the fixed plate body is provided with a movable connection end, and the connection mode between the movable connection end and the universal ball head connecting rod is a detachable connection. In order to facilitate the replacement and cleaning of the fixed plate after use.

A U-shaped opening is arranged on the upper splint of the fixing clamp seat. In order to reduce the overall weight of the fixing clip seat, and facilitate the clamping and fixing of the fixing clip seat on the edge of the hospital bed.

The clamping mechanism arranged on the lower clamping plate of the fixed clamp seat includes a clamping stud, which passes through the through hole provided on the lower clamping plate, and the lower end of the clamping stud is provided with a clamping knob, and the clamping stud The upper end is provided with a clamping piece. The lifting of the clamping piece can be adjusted by the clamping knob, so that the fixing clamp seat can be clamped and fixed on the side of the hospital bed.

Pipe clips are respectively arranged on the rotating telescopic sleeve and the telescopic rod. To bear the gravity of the liquid in the drainage tube, avoid the winding or pulling of the drainage tube, and prevent the pulling out of the puncture needle.

A hook is provided on the outside of the side vertical plate of the fixing clip seat. In order to facilitate the hanging of the drainage bag.

The material of the suction cup arranged at the lower part of the fixed plate body is medical rubber.

Beneficial effects of the utility model: Since the utility model adopts the fixed clamping seat composed of the lower clamping plate and the upper clamping plate arranged above the lower clamping plate, the upper clamping plate and the lower clamping plate are connected by side vertical plates, and a clamping is formed between the upper clamping plate and the lower clamping plate Opening, the clamping mechanism is set on the lower splint; the supporting column is set on the upper splint, the lower end of the supporting column is connected with the upper part of the upper splint, the upper end of the supporting column is connected with the rear end of the rotating telescopic sleeve through the rotating shaft, and the rotating telescopic sleeve is set between the supporting column. Locking mechanism; the telescopic rod is set in the rotating telescopic sleeve, and the telescopic locking mechanism is set in the front part of the rotating telescopic sleeve; the front end of the telescopic rod is provided with a fixed plate, and a needle handle clamp is arranged on the fixed plate; the upper part of the fixed plate body passes through the universal ball The head is connected with the connecting head at the front end of the telescopic rod, and the lower part of the fixed plate body is arranged in the structure of several short connecting columns with suction cups at the lower end, so the design is reasonable and the structure is compact, and the puncture needle can be adjusted at will according to the patient's abdominal distension and body position The height and angle of the abdominal cavity are not easy to cause the displacement or slippage of the abdominal puncture needle due to the operating position, abdominal pressure and abdominal breathing; effectively avoid bleeding and damage to abdominal internal organs caused by the displacement of the puncture needle, and prevent repeated punctures from causing pain, and lead to the occurrence of complications. Moreover, the adjustable abdominal puncture needle fixing device can significantly improve the quality of nursing care, improve patient compliance, and reduce the economic burden of patients; it is easy to operate, firm in fixation, and safe and reliable in use.

Description of drawings

Fig. 1 is a kind of structural representation of the utility model.

FIG. 2 is a schematic structural view of the fixing clip seat in FIG. 1 .

Fig. 3 is a structural schematic diagram of the front end of the telescopic rod in Fig. 1 .

FIG. 4 is a schematic structural view of the fixing plate in FIG. 3 .

Fig. 5 is a structural schematic diagram of the needle handle clamp in Fig. 3 .

Fig. 6 is a schematic diagram of a use state of the utility model.

Description of serial numbers in the figure: 1 fixed clip seat, 2 drainage bag, 3 support column, 4 rotating locking mechanism, 5 rotating telescopic sleeve, 6 tube clamp, 7 telescopic locking mechanism, 8 telescopic rod, 9 drainage tube, 10 fixing plate , 11 needle handle clip, 12 puncture needle, 13 lower splint, 14 side vertical plate, 15 hook, 16 upper splint, 17 U-shaped opening, 18 clamping piece, 19 clamping stud, 20 clamping knob, 21 connector, 22 universal ball head, 23 suction cup, 24 plate body, 25 movable connection end, 26 short connecting column, 27 handle clamp connection hole, 28 first clamp body, 29 second clamp body, 30 rotating bolt, 31 card interface, 32 Locking stud, 33 locking nuts, 34 rotary pin shafts, 35 puncture needle fixing devices, 36 hospital beds, 37 patients.

detailed description

The specific structure of the utility model is explained in detail according to Fig. 1-6. The adjustable paracentesis needle fixation device includes a lower splint 13 and an upper splint 16 above the lower splint 13. The side vertical plates 14 are connected, and a clamping opening for installing the fixing clamp seat 1 on the edge of the hospital bed is formed between the upper clamping plate 16 and the lower clamping plate 13 . The lower clamping plate 13 of the fixed clamp seat 1 is provided with a clamping mechanism, which is composed of clamping studs 19, and the clamping studs 19 pass through the through holes provided on the lower clamping plate 13; the clamping studs 19 are located on the lower clamping plate The lower end of the lower side of 13 is provided with a clamping knob 20 for adjusting the lifting of clamping stud 19; Clamping sheet 18 next to the bed. In order to reduce the overall weight of the clamp base 1 and to facilitate the clamping and fixing of the clamp base 1 on the edge of the hospital bed, a U-shaped opening 17 is arranged on the upper splint 16 of the clamp base 1 . In order to facilitate the hanging of the drainage bag 2 , a hook 15 is provided on the outside of the vertical plate 14 on the side of the fixing clip seat 1 .

The upper splint 16 of the fixed clip seat 1 is provided with a vertically arranged support column 3, and the lower end of the support column 3 is connected with the top of the upper splint 16; The rear ends are connected; the part connected between the rotating telescopic sleeve 5 and the supporting column 3 is provided with a rotating locking mechanism 4 composed of a locking knob and a locking screw rod to fix the rotating telescopic sleeve 5 and the supporting column 3. Angle after rotation. The telescoping sleeve 5 is provided with a telescopic rod 8 for adjusting the extension length of the fixing device, and the front opening end of the rotating telescopic sleeve 5 is provided with a telescopic locking mechanism 7 composed of a locking knob and a locking screw to fix the telescopic The adjusted length of the rod 8. A fixing plate 10 for fixing the puncture needle 12 is provided at the front end of the telescopic rod 8 inserted in the slot of the rotating telescopic sleeve 5 . In order to bear the gravity of the liquid in the drainage tube 9 and avoid the winding or pulling of the drainage tube 9, the rotating telescopic sleeve 5 and the telescopic rod 8 are respectively provided with tube clips 6 to prevent the puncture needle 12 from being pulled out.

In order to increase the operable range of the needle handle clamp 11, the fixed plate 10 is composed of a three-pointed star-shaped plate body 24, and the lower parts of the three corners of the three-pointed star-shaped fixed plate 10 plate body 24 are respectively provided with three suction cups 23 for arranging The short connecting column 26; the suction cup 23 is connected with the lower end of the short connecting column 26 through a universal rotating ball head. To determine a stable plane through three points, regardless of the local topography of the skin surface of the patient's puncture site, the suction cup 23 can be adapted to the radian of the patient's body surface, and can be stably adsorbed on the patient's skin surface, thereby fixing the fixing plate 10 and the puncture surface on it. Position of needle 12. According to specific use requirements, the suction cup 23 provided at the lower part of the plate body 24 of the fixing plate 10 can be made of materials such as medical rubber. The top of the fixed plate 10 triangular star-shaped plate body 24 links to each other with the connector 21 of the front end of the telescopic rod 8 through the universal ball joint 22; On the movable connection end 25 detachably connected with the connecting rod of the universal ball head 22 , the connecting rod of the universal ball head 22 is connected with the internal thread of the movable connecting end 25 of the triangular star-shaped plate body 24 through an external thread.

For the purpose of adjusting the fixed position of the needle handle of the puncture needle 12 according to the depth of the puncture needle 12 piercing into the patient's body, a needle handle clamp 11 is arranged on the triangular star-shaped plate body 24 of the fixing plate 10, and the needle handle clamp 11 is formed by The first clamping body 28 and the second clamping body 29 are arranged in a V shape. The cross-sections of the first clip body 28 and the second clip body 29 are both arc-shaped structures, and the inner arc surfaces of the first clip body 28 and the second clip body 29 are arranged opposite to each other to form a hole for clamping the shank of the puncture needle 12 Clamping cavity. One side of the first clamping body 28 and the second clamping body 29 are connected by a rotating bolt 30, the other side of the first clamping body 28 is provided with a locking stud 32, and one end of the locking stud 32 passes through a rotating pin 34 Connected with the first clamping body 28, the other end of the locking stud 32 is provided with a locking nut 33; . The needle handle clamp 11 is connected with the handle clamp connection hole 27 on the plate body 24 of the fixed plate 10 through the rotating bolt 30 .

When the adjustable abdominal puncture needle fixing device is used, firstly, the puncture needle fixing device is clamped on the edge of one side of the hospital bed through the fixing clip seat 1, and then the drainage bag 2 is hung on the hook 15 of the vertical plate 14 on the side of the fixing clip seat 1 superior. Then, according to the patient's body position, rotate the telescopic sleeve 5 to adjust the angle between the fixed plate 10 at the front end of the telescopic rod 8 and the patient's abdomen, so that the suction cup 23 at the bottom of the fixed plate 10 fits the patient's body surface; after that, tighten the rotation lock Tighten mechanism 4, fix the angle of rotation telescopic sleeve 5 and support column 3. Adjust the length of the telescopic rod 8 so that the suction cup 23 on the lower part of the fixed plate 10 is close to the patient's abdomen to be punctured, but does not fit.

Insert the puncture needle 12 connected with the drainage bag 2 through the drainage tube 9 into the abdomen of the patient, and fine-tune the position and angle of the front end fixing plate 10 of the telescopic rod 8 and the upper needle handle clamp 11 according to the specific position of the puncture needle 12, The suction cup 23 is attached to the patient's body surface to fix the fixing plate 10 . Finally, close the first clamp body 28 and the second clamp body 29 of the needle handle clamp 11 to clamp the needle handle of the puncture needle 12; the locking stud 32 of the first clamp body 28 of the needle handle clamp 11 is rotated into the second In the card interface 31 of the clip body 29, tighten the locking nut 33 and the telescopic locking mechanism 7 in turn to fix the position of the puncture needle 12, and perform the paracentesis treatment of ascites.

Claims (9)

1. An adjustable abdominal puncture needle fixing device, including a fixing clip seat (1), characterized in that: the fixing clip seat (1) includes a lower splint (13), and an upper splint is arranged above the lower splint (13) (16), the upper splint (16) and the lower splint (13) are connected through the side vertical plate (14), and a clamping opening is formed between the upper splint (16) and the lower splint (13), and the lower splint (13) is provided with Clamping mechanism; the upper part of the upper splint (16) is provided with a supporting column (3), the lower end of the supporting column (3) is connected with the upper part of the upper splint (16), and the upper end of the supporting column (3) is connected to the rotating telescopic sleeve (5) through the rotating shaft ) is connected to the rear end, and a rotating locking mechanism (4) is provided between the rotating telescopic sleeve (5) and the supporting column (3); a telescopic rod (8) is arranged inside the rotating telescopic sleeve (5), and the rotating telescopic sleeve ( 5) is provided with a telescopic locking mechanism (7) at the front opening end; a fixed plate (10) is provided at the front end of the telescopic rod (8), and a needle handle clamp (11) is provided on the fixed plate (10); the fixed plate ( 10) Including the plate body (24), the upper part of the plate body (24) is connected with the connecting head (21) at the front end of the telescopic rod (8) through the universal ball joint (22), and the lower part of the plate body (24) is provided with several The short connecting column (26), the lower end of the short connecting column (26) is provided with a suction cup (23). 2. The adjustable abdominal puncture needle fixing device according to claim 1, characterized in that: the shape of the fixing plate (10) plate body (24) is a triangular star shape, and the three short connecting columns (26) They are respectively arranged at three corners of the triangular star-shaped plate body (24); the suction cup (23) is connected with the lower end of the short connecting column (26) through a universal rotating ball head. 3. The adjustable paracentesis needle fixing device according to claim 1 or 2, characterized in that: the needle handle clip (11) provided on the fixing plate (10) includes a V-shaped first clip body (28) and the second clip body (29), one side of the first clip body (28) and the second clip body (29) are connected by turning the bolt (30), and the other side of the first clip body (28) is set There is a locking stud (32), one end of the locking stud (32) is connected with the first clip body (28) through a rotary pin (34), and the other end of the locking stud (32) is provided with a locking nut (33); the other side of the second clamp body (29) is provided with a card interface (31); the needle handle clamp (11) is connected with the handle clamp on the plate body (24) of the fixed plate (10) by turning the bolt (30) Connecting hole (27) links to each other. 4. The adjustable abdominal puncture needle fixing device according to claim 1 or 2, characterized in that: the upper part of the fixing plate (10) body (24) is provided with a movable connection end (25), the movable connection end ( 25) The connection with the connecting rod of the universal ball joint (22) is a detachable connection. 5. The adjustable abdominal puncture needle fixing device according to claim 1, characterized in that: a U-shaped opening (17) is provided on the upper splint (16) of the fixing clamp seat (1). 6. The adjustable abdominal puncture needle fixing device according to claim 1, characterized in that: the clamping mechanism provided on the lower splint (13) of the fixing clamp seat (1) includes a clamping stud (19), clamping The tightening stud (19) passes through the through hole provided on the lower splint (13), the lower end of the clamping stud (19) is provided with a clamping knob (20), and the upper end of the clamping stud (19) is provided with a clamping slices (18). 7. The adjustable abdominal puncture needle fixing device according to claim 1, characterized in that: the rotating telescopic sleeve (5) and the telescopic rod (8) are respectively provided with tube clips (6). 8. The adjustable abdominal puncture needle fixing device according to claim 1, characterized in that: a hook (15) is provided on the outside of the side vertical plate (14) of the fixing clamp seat (1). 9. The adjustable abdominal puncture needle fixing device according to claim 1, characterized in that the material of the suction cup (23) provided at the lower part of the fixing plate (10) body (24) is medical rubber.