CN-119587805-B - Nursing indwelling needle fixer

CN119587805BCN 119587805 BCN119587805 BCN 119587805BCN-119587805-B

Abstract

The invention relates to a nursing retaining needle fixer, belongs to the technical field of medical appliances, and solves the problem that the nursing retaining needle is unstable in fixation in the prior art. The invention comprises a first connecting mechanism, a second connecting mechanism, a third connecting mechanism and an indwelling needle stabilizing mechanism, wherein the front end of the second connecting mechanism is connected with the first connecting mechanism, the rear end of the second connecting mechanism is connected with the third connecting mechanism, the indwelling needle stabilizing mechanism is arranged on the second connecting mechanism and used for fixing a Y-shaped interface part of an indwelling needle, the first connecting mechanism is connected to a finger of a patient, the second connecting mechanism is connected to a wrist of the patient, and the third connecting mechanism is connected to an arm of the patient. The front and rear parts of the second connecting mechanism are respectively connected with the first connecting mechanism and the second connecting mechanism, so that the second connecting mechanism and the indwelling needle can be prevented from being displaced forwards and backwards greatly, and the stability of the fixed position of the indwelling needle is improved.

Inventors

ZHANG YUANYUAN
ZHOU BAOHUA
LUO YONGMEI
LI BAOHUA
FU YU
FAN DONGSHENG

Assignees

北京大学第三医院（北京大学第三临床医学院）

Dates

Publication Date: 20260508
Application Date: 20250114

Claims (7)

1. The nursing retaining needle fixer is characterized by comprising a first connecting mechanism, a second connecting mechanism, a third connecting mechanism, a retaining needle stabilizing mechanism, a first adjusting mechanism and a second adjusting mechanism; the front end of the second connecting mechanism is connected with the first connecting mechanism, the rear end of the second connecting mechanism is connected with the third connecting mechanism, the second connecting mechanism is provided with an indwelling needle stabilizing mechanism which is used for fixing a Y-shaped interface part of an indwelling needle, the first connecting mechanism is connected with fingers of a patient, the second connecting mechanism is connected with wrists of the patient, the third connecting mechanism is connected with arms of the patient, the first connecting mechanism is connected with the second connecting mechanism through the first adjusting mechanism, the second connecting mechanism is connected with the third connecting mechanism through the second adjusting mechanism, the first connecting mechanism comprises a slip ring, the second connecting mechanism comprises a first semi-annular fixed plate and a second semi-annular fixed plate, the first semi-annular fixed plate is provided with an indwelling needle mounting groove, the third connecting mechanism comprises a first lantern ring, a second lantern ring and a dislocation connecting rod, the first lantern ring and the second lantern ring are respectively sleeved on front arms and rear arms of elbow positions, and two dislocation connecting rods are respectively hinged with the first lantern ring and the second lantern ring; The first adjusting mechanism comprises a second connecting piece, a sliding piece, a guide rod and adjusting nuts, wherein the second connecting piece comprises a main rod and a plurality of branch rods, one ends of the branch rods are connected with a slip ring, the other ends of the branch rods are connected with the main rod, the main rod is connected with the sliding piece, the sliding piece is sleeved on the guide rod, the adjusting nuts are in threaded connection with the guide rod, the two adjusting nuts are respectively arranged on two sides of the sliding piece and are in butt joint with two sides of the sliding piece, two ends of the guide rod are respectively connected with the end parts, far away from the retaining needle mounting groove, of the first semi-annular fixing plate; The first semi-annular fixing plate comprises a first upper arc plate, a second upper arc plate and a third upper arc plate, two sides of the second upper arc plate can be clamped with the first upper arc plate and the third upper arc plate, the clamping positions of the second upper arc plate and the first upper arc plate and the third upper arc plate can be adjusted, the second semi-annular fixing plate comprises a first lower arc plate, a second lower arc plate and a third lower arc plate, two sides of the second lower arc plate can be clamped with the first lower arc plate and the third lower arc plate, and the clamping positions of the second lower arc plate and the first lower arc plate and the third lower arc plate can be adjusted; The two sides of the second upper arc plate are respectively provided with a first arc rod and a second arc rod, a first arc clamping groove and a second arc clamping groove are respectively and uniformly arranged along the length direction of the first arc rod and the second arc rod, the first upper arc plate is provided with a first arc hole and a first clamping groove, the first arc rod is inserted into the first arc hole, the third upper arc plate is provided with a second arc hole and a second clamping groove, the second arc rod is inserted into the second arc hole, and the limiting columns, the cover plates and the second elastic pieces are arranged in the first clamping groove and the second clamping groove; The second coupling mechanism still includes the block subassembly, and the block subassembly includes first elastic component and U type cardboard, keeps somewhere needle stabilizing mean and includes the direction cardboard, and the one end of first elastic component is connected with the lateral wall of keeping somewhere needle mounting groove, and the other end is connected with the non-open end of U type cardboard, extrudees first elastic component after the direction cardboard inserts in the U type cardboard for keep somewhere needle and second coupling mechanism have certain elasticity activity space.
2. The nursing retention needle holder of claim 1, wherein the first connection mechanism further comprises a finger ring, a plurality of positioning grooves are formed in the inner wall of the finger ring, the plurality of positioning grooves are uniformly formed along the circumferential direction of the inner wall of the finger ring, and the slip ring is clamped in the positioning grooves.
3. The nursing retention needle holder of claims 1 or 2, wherein the first semi-annular retaining plate and the second semi-annular retaining plate are snap fit at the wrist of the patient.
4. The nursing retention needle holder of claim 3, wherein the second connection mechanism further comprises a first connector, one side of the first semi-annular retainer plate is hinged to one side of the second semi-annular retainer plate, and the other side of the first semi-annular retainer plate is connected to the other side of the second semi-annular retainer plate via the first connector.
5. The nursing retention needle holder of claim 4, wherein the first connector comprises a strap and a velcro, one end of the strap is connected to one side of the first semi-annular fixed plate, the other end of the strap is provided with a sub-surface of the velcro, and a parent surface of the velcro is connected to one side of the second semi-annular fixed plate.
6. A nursing retention needle holder as defined in claim 3, wherein the retention needle stabilizing mechanism is disposed in the retention needle mounting slot.
7. The nursing retention needle holder of claim 6, wherein the retention needle stabilizing mechanism further comprises a stabilizing sleeve, the guide clips are provided in two pairs, and the two guide clips are symmetrically provided on both sides of the stabilizing sleeve.

Description

Nursing indwelling needle fixer Technical Field The invention relates to the technical field of medical appliances, in particular to a nursing indwelling needle fixer. Background The intravenous needle is also called intravenous trocar, is a medical instrument commonly used in clinic, the core component of the intravenous needle comprises a soft catheter which can be placed in a blood vessel and a stainless steel puncture guiding needle core, the use of the intravenous needle can remarkably reduce pain and fear of a patient caused by repeated intravenous puncture, and simultaneously, the burden of medical staff is also reduced, however, the fixing problem of the intravenous needle is always the focus of clinical attention because the intravenous needle needs to be left in the vein of the patient for a long time. In the prior art, the indwelling needle is fixed on the wrist of a patient through the fixer, the fixer is fixed on the wrist through the adhesive tape or the binding tape, the adhesive tape adhesion position is easily soaked and falls off by sweat in long-time use, the binding tape is fixed, the situation that the binding is too tight to abrade the wrist or the binding is too loose to fall off easily occurs, and the fixing is unstable. Disclosure of Invention In view of the above analysis, an embodiment of the present invention is directed to a nursing retention needle holder for solving the problem of unstable fixation of the existing nursing retention needle. The invention provides a nursing retention needle fixer, which comprises a first connecting mechanism, a second connecting mechanism, a third connecting mechanism and a retention needle stabilizing mechanism; the front end of the second connecting mechanism is connected with the first connecting mechanism, the rear end of the second connecting mechanism is connected with the third connecting mechanism, the second connecting mechanism is provided with the retaining needle stabilizing mechanism, and the retaining needle stabilizing mechanism is used for fixing a Y-shaped interface part of a retaining needle; the first connecting mechanism is connected to the finger of the patient, the second connecting mechanism is connected to the wrist of the patient, and the third connecting mechanism is connected to the arm of the patient. Further, the first connecting mechanism comprises a finger ring and a slip ring, a plurality of positioning grooves are formed in the inner wall of the finger ring, the positioning grooves are uniformly formed in the circumferential direction of the inner wall of the finger ring, and the slip ring is clamped in the positioning grooves. Further, the second connecting mechanism comprises a first semi-annular fixing plate and a second semi-annular fixing plate, and the first semi-annular fixing plate and the second semi-annular fixing plate are buckled at the wrist of the patient. Further, the second connecting mechanism further comprises a first connecting piece, one side of the first semi-annular fixing plate is hinged to one side of the second semi-annular fixing plate, and the other side of the first semi-annular fixing plate is connected with the other side of the second semi-annular fixing plate through the first connecting piece. Further, the first connecting piece includes bandage and magic subsides, the one end of bandage is connected with one side of first semi-annular fixed plate, the other end of bandage is equipped with the son face that the magic was pasted, the female face that the magic was pasted with one side of second semi-annular fixed plate is connected. Further, the first semi-annular fixing plate is provided with an indwelling needle mounting groove, and the indwelling needle stabilizing mechanism is arranged in the indwelling needle mounting groove. Further, keep somewhere needle stabilizing mean includes stable sleeve and direction cardboard, the direction cardboard is equipped with two, two the direction cardboard symmetry is located stable sleeve's both sides. Further, the third connecting mechanism comprises a first lantern ring, a second lantern ring and a dislocation connecting rod, and two ends of the dislocation connecting rod are hinged with the first lantern ring and the second lantern ring respectively. Further, the device also comprises a first adjusting mechanism, and the first connecting mechanism is connected with the second connecting mechanism through the first adjusting mechanism. Further, the device also comprises a second adjusting mechanism, and the second connecting mechanism is connected with the third connecting mechanism through the second adjusting mechanism. Compared with the prior art, the invention has at least one of the following beneficial effects: (1) The first connecting mechanism is connected with the finger of a patient, the second connecting mechanism is connected with the wrist of the patient, the third connecting mechanism is connected with the arm of the patien