CN211357156U - Convenient washing maintenance equipment of implanted drug delivery device - Google Patents

Abstract

The utility model discloses a convenient implanted device of dosing washes maintenance of equipment relates to medical equipment technical field. Including the protective sheath, the bottom of protective sheath is provided with circular shelves dish, and the side of protective sheath is provided with the bar spout, and the bilateral symmetry of bar spout is provided with the flange, the top of flange is provided with tooth, and the inner chamber bottom mounting of protective sheath is provided with miniature helping hand spring, and miniature helping hand spring's the other end just is located be provided with the supporting disk in the inner chamber of protective sheath, the one end central point that the supporting disk is close to miniature helping hand spring is provided with straight head not damaged needle. Has the advantages that: the device has the advantages that invalid puncture is prevented, the damage-free needle head can accurately enter the inner cavity of the medicine box, the device is high in integration degree, unnecessary connecting pipes are not needed, the structure of the device is simplified, the operation steps of medical staff are reduced, the flushing maintenance device is simple in structure, ingenious in design and low in manufacturing cost, and the daily maintenance cost of a patient is saved.

Description

Convenient washing maintenance equipment of implanted drug delivery device

Technical Field

The utility model relates to a medical equipment technical field particularly, relates to a convenient implanted device of dosing washes maintenance of equipment.

Background

2016INS guidelines indicate that continuously aggressive drugs (primarily chemotherapeutic drugs), parenteral nutrition, and liquid drugs with osmotic pressures in excess of 900mOsm/L are administered using a mid-use cardiovascular access device (CVAD). The central blood vessel access device (CVAD) is a device with the head end of a catheter placed in a central vein, so that the drug can be continuously administered through the central vein, and mainly comprises a central venous catheter (tunnel type or non-tunnel type), a peripheral central venous catheter (PICC) and an implanted drug administration device (Port), wherein the implanted drug administration device is formed by connecting one end of an injection catheter with a drug box (a subcutaneous drug pot), and the whole system is completely embedded into the skin and can be used for infusing the drug into the vein, the artery or the spinal column for a long time.

The implanted drug delivery device is generally required to be flushed and maintained every other month or so to prevent the phenomenon of blockage in the catheter, and flushing maintenance needs a specially-made flushing maintenance apparatus, the existing flushing maintenance equipment is high in price and high in maintenance cost, and common patients abandon flushing maintenance due to the fact that high medical expenses cannot be borne by common patients, and the existing maintenance equipment is not integrated equipment, so that the flushing process is complicated; furthermore, the needle stalk length of various present not damaged needles is fixed, but because the fat thin difference of patient, implanted infusion set base buries the degree of depth difference, lead to the patient to have different demands to the model of not damaged needle, the selection of model size relies on experience judgement entirely, when the operator carries out not proper time of not damaged needle type selection, can appear two kinds of situations, one kind is that the needle stalk is too short, the needle point can't pierce through the silica gel diaphragm, can't advance the medicine box, lead to invalid puncture, another kind is that the needle stalk overlength, the needle point pricks the medicine box base and forms the barb, increase the damage of silica gel diaphragm and patient subcutaneous tissue and local skin when leading to pulling out the needle, even prick medicine box base etc. and put through, increased the misery for the patient, also bring unnecessary trouble for medical staff simultaneously.

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

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a convenient implanted device of dosing washes maintenance of equipment to overcome the above-mentioned technical problem that current correlation technique exists.

The technical scheme of the utility model is realized like this:

a convenient washing maintenance device of an implanted drug delivery device comprises a protective sleeve, wherein a circular baffle disc is arranged at the bottom end of the protective sleeve, a strip-shaped sliding groove is formed in the side surface of the protective sleeve, flanges are symmetrically arranged at two sides of the strip-shaped sliding groove, teeth are arranged at the top end of the flanges, a miniature power spring is fixedly arranged at the bottom end of an inner cavity of the protective sleeve, a supporting disc is arranged at the other end of the miniature power spring and in the inner cavity of the protective sleeve, a straight-head non-destructive needle is arranged at the central part of one end, close to the miniature power spring, of the supporting disc, a supporting column is arranged at one end, away from the miniature power spring, of the supporting disc, a square limiting column is arranged on the surface of the supporting column, a cap is sleeved on the surface of the square, the tooth-shaped brake block is characterized in that a fixed block is arranged at the top end of the supporting plate, L-shaped supporting rods are symmetrically arranged on two sides of the fixed block, a stop block is arranged at the other end of each L-shaped supporting rod and clamped between the teeth, a moving block is movably arranged at the top end of the fixed block, and a brake block is arranged at the bottom end of the moving block.

Furthermore, a supporting rod is arranged on one side, away from the stop block, of the moving block, a convex block is arranged at the end of the supporting rod, and a groove matched with the convex block is formed in the side face of the fixed block.

Further, its characterized in that, the top of support column is provided with the external screw thread, the top of support column is provided with the pre-filled formula pipe flusher, the bottom of pre-filled formula pipe flusher is provided with the connecting pipe, the inner wall of connecting pipe be provided with external screw thread matched with internal thread.

Further, the two sides of the strip-shaped sliding groove are provided with sterile films.

Further, the circular baffle plate is characterized in that a circular through hole penetrates through the center of the bottom end of the circular baffle plate, and a circular sterile film is arranged inside the circular through hole.

The utility model has the advantages that: when medical staff washes and maintains a medicine box of the implanted medicine feeder or injects medicine through the implanted medicine feeder, the medical staff firstly removes sterile films on two sides of a strip-shaped chute, pushes a moving block, the moving block drives a supporting plate to move through the conduction action of force, the supporting plate drives a supporting plate to move, the supporting plate compresses a micro power spring arranged on the surface of the supporting plate, a damage-free needle arranged on the surface of the supporting plate pierces through the round sterile film, after the length of a damage-free needle stem is preset according to the actual requirement of a patient, the moving block stops being pushed, the moving block is rapidly pulled backwards to separate the moving block from the fixed block, the brake block at the moment is clamped between L-shaped supporting rods, and the brake block is clamped between teeth due to the expansion of the clamping groove, therefore, the needle inserting length of the nondestructive needle is fixed, when the reserved needle stem length is not appropriate, an operator can flexibly adjust the nondestructive needle according to the actual needs of a patient, in order to prevent the brake block from slipping, a convex block is arranged at the end of the moving block, a groove matched with the convex block is arranged on the side face of the fixed block, the convex block can be fixed in the groove when the fixed block moves backwards, the brake block arranged at the bottom end of the moving block is prevented from slipping, after medical staff complete medical operation, the moving block is pushed forwards again to relieve the brake of the brake block on the support plate, meanwhile, the supporting plate with the straight nondestructive needle is pushed back to the inside of the protective sleeve by the micro power spring, and further, the occurrence of adverse events of needle stick injury is. Through using adjusting device to adjust the depth of advance chi of straight head not damaged needle, made things convenient for medical staff to carry out the regulation of length to not damaged needle according to patient's medicine box implantation depth, prevent invalid puncture, bad consequences such as medicine box base damage from appearing, make in the accurate inner chamber that gets into the medicine box of not damaged syringe needle, this equipment integration degree height does not need unnecessary connecting pipe, the structure of equipment has been simplified, medical staff's operating procedure has been reduced, operating time has been saved, this washes the maintenance of equipment, moreover, the steam generator is simple in structure, and is ingenious in design, low in manufacturing cost, the maintenance cost of patient's implanted device of dosing has been practiced thrift, effectively improve patient's periodic maintenance's compliance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a partial exploded view one according to an embodiment of the present invention;

fig. 3 is a partial exploded view of a second embodiment according to the present invention;

fig. 4 is a partial exploded view three according to an embodiment of the present invention;

fig. 5 is a partial enlarged view of a portion a according to an embodiment of the present invention;

fig. 6 is an exploded view of a brake adjusting device according to an embodiment of the present invention;

fig. 7 is an exploded view of an injection structure according to an embodiment of the present invention;

fig. 8 is an exploded view of an injection structure according to an embodiment of the present invention;

FIG. 9 is a schematic view of a connection of a pre-filled catheter flusher according to an embodiment of the present invention;

fig. 10 is a schematic view of a needle penetrating a bottom film during use according to an embodiment of the present invention;

FIG. 11 is a perspective schematic view of a graduated protective sheath according to an embodiment of the present invention;

fig. 12 is a schematic view of a three-dimensional structure of a nondestructive straight needle according to an embodiment of the present invention.

In the figure:

1. a protective sleeve; 101. a miniature power spring; 102. a circular baffle disc; 103. a sterile film; 104. teeth; 105. a circular sterile film; 106. a circular through hole; 107. a strip-shaped chute; 108. a support plate; 109. a stopper; 110. a brake pad; 111. an L-shaped support bar; 112. a groove; 113. a fixed block; 114. a support bar; 115. a bump; 116. a moving block; 117. a support disc; 118. a square limiting column; 119. an external thread; 120. straight-head atraumatic needle; 121. a support pillar; 122. capping; 123. a connecting pipe; 124. an internal thread; 125. a pre-filled catheter flusher; 126. a flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

According to the utility model discloses an embodiment provides a convenient implanted device of dosing washes maintenance of equipment.

As shown in fig. 1 to 11, the convenient flushing maintenance equipment for an implantable drug delivery device according to the embodiment of the present invention comprises a protective sleeve 1, a circular retaining disc 102 is disposed at the bottom end of the protective sleeve 1, a bar-shaped sliding slot 107 is disposed at the side surface of the protective sleeve 1, flanges 126 are symmetrically disposed at two sides of the bar-shaped sliding slot 107, teeth 104 are disposed at the top ends of the flanges 126, a micro power spring 101 is fixedly disposed at the bottom end of an inner cavity of the protective sleeve 1, a supporting disc 117 is disposed at the other end of the micro power spring 101 and located in the inner cavity of the protective sleeve 1, a straight-head atraumatic needle 120 is disposed at the central portion of one end of the supporting disc 117 close to the micro power spring 101, a supporting column 121 is disposed at one end of the supporting disc 117 far from the micro power spring 101, a square limiting column 118 is, the top end of the cap 122 is provided with a supporting plate 108, the surface of the supporting plate 108 is arranged at the bottom end of the flange 126 and is attached to the flange, the top end of the supporting plate 108 is provided with a fixing block 113, two sides of the fixing block 113 are symmetrically provided with L-shaped supporting rods 111, the other end of the L-shaped supporting rods 111 is provided with a stop block 109, the stop block 109 is clamped between the teeth 104, the top end of the fixing block 113 is movably provided with a moving block 116, and the bottom end of the moving block 116 is provided with a brake block 110.

In one embodiment, for the moving block 116, a supporting rod 114 is disposed on a side of the moving block 116 away from the stopper 109, a protrusion 115 is disposed at an end of the supporting rod 114, a groove 112 matched with the protrusion 115 is disposed on a side surface of the fixed block 113, in order to prevent the brake shoe 110 from slipping off, the protrusion 115 is disposed at an end of the moving block 116, and a groove 112 matched with the protrusion 115 is disposed on a side surface of the fixed block 113, so that the protrusion 115 is fixed inside the groove 112 when the fixed block 113 moves backwards, thereby preventing the brake shoe 110 disposed at the bottom end of the moving block 116 from slipping off.

In one embodiment, for the above-mentioned support column 121, the top end of the support column 121 is provided with an external thread 119, a prefilled catheter flusher 125 is arranged above the support column 121, the bottom end of the prefilled catheter flusher 125 is provided with a connecting pipe 123, the inner wall of the connecting pipe 123 is provided with an internal thread 124 matched with the external thread 119, the connection between the prefilled catheter flusher 125 and the flushing device is firmer by the matching between the internal thread 124 and the external thread 119, the phenomenon of night leakage between the prefilled catheter flusher 125 and the flushing device is prevented, the sealing performance of the connection is improved, and when a patient needs to be injected with a medicine, the prefilled catheter flusher 125 is rotated from the threaded joint to be replaced by a syringe which the patient needs to inject the medicine.

In one embodiment, for the strip-shaped chute 107, the sterile films 103 are disposed on both sides of the strip-shaped chute 107, so that the straight atraumatic needle 120 inside the protective sheath 1 is isolated from the outside air, thereby creating a sterile environment for the straight atraumatic needle 120.

In one embodiment, for the circular blocking disc 102, a circular through hole 106 is formed through the bottom center of the circular blocking disc 102, and a circular sterile film 105 is disposed inside the circular through hole 106, so that the straight atraumatic needle 120 inside the protective sheath 1 is isolated from the outside air, thereby creating a sterile environment for the straight atraumatic needle 120 and facilitating the straight atraumatic needle 120 to directly pierce the circular sterile film 105.

In one embodiment, for the straight-head atraumatic needle 120, the needle head of the straight-head atraumatic needle 120 is specially processed, and the shape of the needle head is similar to that of a side-hole needle, so that the silicone membrane of the medicine box can not be cut when the needle seat is punctured, and the silicone membrane of the medicine box can be ensured to bear thousands of punctures without damaging the membrane to cause leakage.

In summary, with the above technical solution of the present invention, when the medical staff washes and maintains the medicine box of the implantable medicine administering device or injects medicine through the implantable medicine administering device, the medical staff first removes the sterile films 103 at the two sides of the strip-shaped chute 107, pushes the moving block 116, the moving block 116 drives the supporting plate 108 to move through the force conduction, the supporting plate 108 drives the supporting plate 117 to move, the supporting plate 117 compresses the micro power spring 101 disposed on the surface thereof, and pierces the atraumatic needle 120 disposed on the surface of the supporting plate 117 through the circular sterile film 105, after the length of the atraumatic needle 120 is determined according to the skin thickness of the patient, the pushing of the moving block 116 is stopped, and the moving block 106 is pulled backwards rapidly to separate the moving block 116 from the fixed block 113, at this time, the brake block 110 will be clamped between the L-shaped support rods, because the brake block 110 is clamped in the clamping groove formed by the L-shaped support rod 111 to expand, the stop block 109 arranged at the end part of the L-shaped support rod 111 can be clamped between the teeth 104 due to the expansion effect of the clamping groove, so that the advancing length of the atraumatic needle 120 is fixed, and the length of the reserved needle stem is inappropriate, an operator can flexibly adjust according to the actual needs of a patient, in order to prevent the brake block 110 from sliding off, a convex block 115 is arranged at the end part of the moving block 116, a groove 112 matched with the convex block 115 is arranged at the side surface of the fixed block 113, the convex block 115 is fixed in the groove 112 when the fixed block 113 moves backwards, so that the brake block 110 arranged at the bottom end of the moving block 116 is prevented from sliding off, after medical personnel complete the medical operation, the moving block 116 is pushed forwards again to release the brake of the support plate 108 by the brake block 110, and simultaneously, the micro booster spring 101 pushes, thereby preventing the straight-head atraumatic needle 120 from stabbing medical staff and preventing blood-borne diseases from infecting the medical staff, one side of the strip-shaped chute 107 is provided with scales, when the moving block 116 is pushed, the medical staff can control the depth of the straight-head atraumatic needle according to the scales on the protective sleeve,

has the advantages that: 1. the depth of advancing ruler of the straight-head non-destructive needle is adjusted by using the adjusting device, so that the medical staff can conveniently adjust the depth of the non-destructive needle according to the skin thickness of a patient, and the invalid puncture is prevented from occurring, so that the non-destructive needle head can accurately enter the inner cavity of the medicine box.

2. The device has high integration degree, does not need redundant connecting pipes, simplifies the structure of the device, reduces the operation steps of medical staff and saves the operation time.

3. The flushing maintenance equipment has the advantages of simple structure, ingenious design and low manufacturing cost, saves the maintenance cost of the implanted drug administration device of the patient, and effectively improves the compliance of the regular maintenance of the patient.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A convenient flush maintenance apparatus for an implantable drug delivery device, comprising: the protective sleeve (1) is characterized in that a circular gear disc (102) is arranged at the bottom end of the protective sleeve (1), a bar-shaped sliding groove (107) is arranged on the side face of the protective sleeve (1), flanges (126) are symmetrically arranged on two sides of the bar-shaped sliding groove (107), teeth (104) are arranged at the top end of the flanges (126), a miniature power spring (101) is fixedly arranged at the bottom end of an inner cavity of the protective sleeve (1), a supporting disc (117) is arranged at the other end of the miniature power spring (101) and positioned in the inner cavity of the protective sleeve (1), a straight-end non-damage needle (120) is arranged at the central part of one end, close to the miniature power spring (101), of the supporting disc (117), a supporting column (121) is arranged at one end, far away from the miniature power spring (101), of the supporting disc (, the square limiting column structure is characterized in that a cover cap (122) is sleeved on the surface of the square limiting column (118), a supporting plate (108) is arranged at the top end of the cover cap (122), the surface of the supporting plate (108) is arranged at the bottom end of a flange (126) and is attached to the bottom end of the flange, a fixing block (113) is arranged at the top end of the supporting plate (108), L-shaped supporting rods (111) are symmetrically arranged on two sides of the fixing block (113), a stop block (109) is arranged at the other end of each L-shaped supporting rod (111), the stop block (109) is clamped between the teeth (104), a moving block (116) is movably arranged at the top end of the fixing block (113), and a brake block.

2. The device for flushing and maintaining a convenient implantable drug delivery device according to claim 1, wherein a support rod (114) is disposed on a side of the moving block (116) away from the stopper (109), a protrusion (115) is disposed at an end of the support rod (114), and a groove (112) matched with the protrusion (115) is disposed on a side surface of the fixing block (113).

3. The flushing maintenance equipment of a convenient implantation type drug delivery device according to claim 1, characterized in that the top end of the supporting column (121) is provided with an external thread (119), a prefilled catheter flusher (125) is arranged above the supporting column (121), the bottom end of the prefilled catheter flusher (125) is provided with a connecting pipe (123), and the inner wall of the connecting pipe (123) is provided with an internal thread (124) which is matched with the external thread (119).

4. A convenient flushing maintenance equipment of an implantable drug delivery device according to claim 1, characterized in that the strip-shaped chute (107) is provided with a sterile membrane (103) on both sides.

5. A convenient flushing and maintenance device for an implantable drug delivery device according to claim 1, wherein a circular through hole (106) is formed through the center of the bottom end of the circular baffle disc (102), and a circular sterile membrane (105) is arranged inside the circular through hole (106).

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