CN211675693U - Transfusion port needle pulling-out instrument - Google Patents
Transfusion port needle pulling-out instrument Download PDFInfo
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- CN211675693U CN211675693U CN202020059221.7U CN202020059221U CN211675693U CN 211675693 U CN211675693 U CN 211675693U CN 202020059221 U CN202020059221 U CN 202020059221U CN 211675693 U CN211675693 U CN 211675693U
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- fixing ring
- fixer
- clamping plate
- clip
- needle
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Abstract
The transfusion port needle extraction instrument comprises an annular fixer for fixing a transfusion port base and a clip fixer for clamping a transfusion port needle wing so as to extract a transfusion port needle, and is characterized in that the clip fixer is arranged above the annular fixer, and the annular fixer and the clip fixer are movably connected through a connecting structure; the annular fixer comprises a fixing ring and a holding part, the fixing ring is fixedly connected with the holding part, and the upper part of the holding part is rotatably connected with the clamp fixer; the clamp fixer comprises a clamp and a tilted movable rod, and the clamp is connected with the tilted movable rod in a combined manner; during the use, the fixed infusion port base of annular fixer, the clip fixer presss from both sides tight infusion port needle wing, makes the clip shift up through pushing down the perk shape movable rod, and then reaches the purpose with the perk of infusion port needle, realizes that the one hand pulls out the effect of replacement with the infusion port needle to reduce medical personnel's injury risk.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to instrument is pulled out to infusion port needle.
Background
The transfusion port is totally called as: an implantable venous transfusion port is a closed venous transfusion device which is completely implanted in a body and comprises a conduit part with the tip positioned in the superior vena cava and an injection seat embedded under the skin, and is generally used clinically. Use the infusion port after planting the operation, need for patient's fluid infusion or trade the needle, need pull out the needle usually, but medical personnel often can experience huge resistance at pulling out the needle in-process, in the twinkling of an eye of pulling out, the resilience force of production makes the needle point prick medical personnel's hand very easily down, brings very big injury for medical personnel.
The traditional needle extractor has simple structure and single function, the contact part of the needle head cannot be replaced, and the cross infection is easy to occur; in addition, the needle extractor in the prior art clamps the infusion needle tightly by a clamp to extract the needle, and medical care personnel are still easy to be injured if force is improperly applied; therefore, an infusion port needle extraction instrument which effectively prevents hands of medical staff from being injured when the needle is extracted is needed to reduce the risk of injury of the medical staff, and the infusion port needle extraction instrument can replace the contact part of the infusion port needle extraction instrument and a needle head, so that the condition of cross infection is effectively avoided.
The utility model discloses to medical personnel at present and being pricked easily at the needle pulling-out in-process, bring the condition of very big injury for medical personnel to needle pulling-out device among the prior art simple structure, function singleness easily cause the emergence of cross infection condition, provide an infusion port needle pulling-out instrument.
SUMMERY OF THE UTILITY MODEL
In order to overcome the condition that medical personnel are easily punctured in the needle pulling process in the prior art and bring injury to the medical personnel, the needle pulling device in the prior art has simple structure and single function and is easy to cause the cross infection, the utility model provides an instrument for pulling out the transfusion harbor needle.
The transfusion port needle extraction instrument comprises an annular fixer for fixing a transfusion port base and a clip fixer for clamping a transfusion port needle wing so as to extract a transfusion port needle, and is characterized in that the clip fixer is arranged above the annular fixer, and the annular fixer and the clip fixer are movably connected through a connecting structure; the annular fixer comprises a fixing ring and a holding part, the fixing ring is fixedly connected with the holding part, and the upper part of the holding part is rotatably connected with the clamp fixer; the clamp fixer comprises a clamp and a tilted movable rod, and the clamp is connected with the tilted movable rod in a combined manner; during the use, the fixed infusion port base of annular fixer, the clip fixer presss from both sides tight infusion port needle wing, makes the clip shift up through pushing down the perk shape movable rod, and then reaches the purpose with the perk of infusion port needle, realizes that the one hand pulls out the effect of replacement with the infusion port needle to reduce medical personnel's injury risk.
Further, the fixing ring consists of a left fixing ring and a right fixing ring, and the holding part consists of a left holding part and a right holding part; the rear end of the left fixing ring is fixedly connected with the left holding part, the rear end of the right fixing ring is fixedly connected with the right holding part, and the left fixing ring is rotatably connected with the front end of the right fixing ring; the arrangement can ensure the stability of the annular fixer when the annular fixer is used for fixing the base of the transfusion port.
Furthermore, a fan-shaped connecting column with a round hole is fixedly arranged on the right side of the left fixing ring, and an upper connecting pad and a lower connecting pad with a round hole are fixedly arranged on the left side of the right fixing ring; and a rotating nail corresponding to the inner diameter of the round hole is arranged, penetrates through the upper connecting pad and penetrates out of the lower connecting pad after passing through the fan-shaped connecting column, so that the rotating connection between the left fixing ring and the right fixing ring is realized.
Furthermore, a protection pad for protecting the skin of a patient is arranged on the inner wall of the fixing ring, and the protection pad is connected with the inner wall of the fixing ring in a combined manner; the outer diameter of the protection pad is consistent with the inner diameter of the fixing ring, so that the requirement of timely replacement can be met; this arrangement avoids the risk of cross-contamination between different patients.
Further, a soft protection pad is arranged at the bottom of the fixing ring, the outer diameter of the protection pad is larger than that of the fixing ring, and the inner diameter of the protection pad is equal to that of the protection pad; this arrangement increases patient comfort.
Furthermore, the protection pad and the protection pad are arranged into a circular ring structure, and the circle centers of the protection pad and the protection pad are consistent with the circle center of the fixing ring.
Furthermore, the protection pad and the protection pad are made of elastic skin-friendly materials, and the comfort level of a patient can be effectively guaranteed by the materials.
Further, the connecting structure comprises a first threaded nail and a threaded cap matched with one end of the first threaded nail in size, and the first threaded nail is connected with the threaded cap in a combined mode.
Furthermore, threaded holes corresponding to the first threaded nails in size are respectively formed in the holding part and the tilted movable rod, and the first threaded nails are connected with the threaded holes in a combined mode; one end of the first threaded nail penetrates through the holding part and the tilted movable rod or the tilted movable rod and the holding part in sequence in such a way, and then the threaded cap is screwed into the first threaded nail so as to meet the rotating connection between the holding part and the clip fixer.
Further, the handle is arranged at the rear end of the holding part and the back end of the warping-shaped movable rod, the handle is fixedly connected with the holding part and the warping-shaped movable rod respectively, and the handle is convenient for the medical care personnel to operate.
Furthermore, stick up shape movable rod front end fixed connection inserted bar, the inserted bar front end is provided with the locking cap, the inserted bar with the clip passes through locking cap combination connection, and this kind of setting can satisfy the dismantled being connected of inserted bar and clip.
Or the front end of the warped movable rod is provided with a threaded hole matched with the outer diameter of the inserted rod, and the rear end of the inserted rod is of a threaded structure, so that the inserted rod is in threaded connection with the warped movable rod.
Further, the clamp comprises clamping plates for clamping the needle wings of the transfusion port and an adjusting structure for adjusting the distance between the clamping plates; the clamping plate comprises a left clamping plate and a right clamping plate, and the clamping plate is detachably connected with the adjusting structure;
furthermore, the inner sides of the left splint and the right splint are respectively provided with an anti-skidding structure, so that the splint can be effectively prevented from being separated from the needle wing of the transfusion port in the use process; preferably, the inner sides of the left splint and the right splint are respectively provided with an anti-slip mat which is attached to the splint on the two sides.
Furthermore, be equipped with the jack that supplies the inserted bar to stretch into on the clip to and be used for holding the chamber that holds of inserted bar front end and locking cap, thereby realize the built-up connection of inserted bar and clip.
Furthermore, a connecting sleeve is arranged between the clamping plate and the inserted rod and is fixedly connected with the clamping plate; the jack is arranged at the rear end of the connecting sleeve, the inserted rod penetrates through the jack to enter the accommodating cavity, and the inserted rod is connected with the connecting sleeve in a combined manner through the fixing cap; the mode is convenient for medical staff to replace the clamp at any time.
Furthermore, the left end and the right end of the connecting sleeve are provided with an extending hole with the circle center mapped as one point, and the adjusting structure comprises a second threaded nail passing through the extending hole and a butterfly nut used for fixing the second threaded nail; the distance between the clamping plates is adjusted in such a way, so that the clamping plates can clamp the needle wings of the infusion port.
Or an adjusting spring is arranged between the left clamping plate and the right clamping plate to adjust the distance between the left clamping plate and the right clamping plate; the left splint and the right splint outside be equipped with spring external diameter size assorted recess, adjusting spring one end around placing at left splint and right splint or right splint and the outside groove of left splint department, realize the effect of fixed left splint and right splint.
Further, the ring holder and the clip holder are made of a stainless steel material.
Compared with the prior art, the transfusion harbor needle pulling instrument can effectively overcome the problem that medical staff are easily punctured and hurt the medical staff in the needle pulling process in the prior art; meanwhile, the problems that the existing needle extractor has simple structure and single function and is easy to cause cross infection can be solved.
Drawings
FIG. 1 is a schematic view of the whole structure of the ring-shaped retainer of the needle extractor of the infusion port of the present invention;
FIG. 2 is a schematic view of the whole structure of the fixing ring of the ring-shaped fixer of the needle extractor of the transfusion port;
FIG. 3 is a schematic view of the rotary connection structure of the left fixing ring and the right fixing ring of the needle extractor of the transfusion harbor of the present invention;
FIG. 4 is a schematic view of the whole structure of the mechanical clip fixer for the needle extractor of the infusion port;
FIG. 5 is an enlarged schematic view of the adjustable clip fixer of the needle extractor of the infusion port;
FIG. 6 is an enlarged schematic view of the spring-adjustable clip fixer for the needle extractor of the infusion port;
FIG. 7 is an enlarged schematic view of the connection between the spring-adjustable inserted bar and the tilted movable bar of the needle extractor of the infusion port;
in the figure, 1, a ring-shaped fixer; 11. a fixing ring; 12. a left retaining ring; 121. a fan-shaped connecting column; 13. a right securing ring; 131. an upper connection pad; 132. a lower connection pad; 14. a grip portion; 141. a threaded hole; 142. rotating the nail; 143. a first threaded nail; 144. a threaded cap; 145. a handle; 15. a left grip portion; 16. a right grip portion; 17. a protection pad; 18. a protective pad; 2. a clip holder; 21. a clip; 211. connecting sleeves; 212. a left splint; 213. a right splint; 214. a jack; 215. an accommodating chamber; 216. an access hole; 217. a non-slip mat; 218. a groove; 22. a seesaw-shaped movable rod; 23. inserting a rod; 24. a fixing cap; 25. a second threaded nail; 26. a butterfly nut; 27. the spring is adjusted.
Detailed Description
Example 1A needle puller for an infusion port
A transfusion port needle extraction instrument comprises an annular fixer 1 for fixing a transfusion port base and a clip fixer 2 for clamping a transfusion port needle wing so as to extract a transfusion port needle, and is characterized in that the clip fixer 2 is arranged above the annular fixer 1, and the annular fixer 1 and the clip fixer 2 are movably connected through a connecting structure; the annular fixer 1 comprises a fixing ring 11 and a holding part 14, the fixing ring 11 is fixedly connected with the holding part 14, and the upper part of the holding part 14 is rotatably connected with the clip fixer 2; the clip fixer 2 comprises a clip 21 and a tilted movable rod 22, and the clip 21 is connected with the tilted movable rod 22 in a combined manner; during the use, the annular fixing device 1 is fixed infusion port base, and the clip fixing device 2 presss from both sides tight infusion port needle wing, makes clip 21 shift up through pushing down the shape movable rod 22 that sticks up, and then reaches the purpose with the perk of infusion port needle, realizes that the one hand pulls out the effect of replacement with the infusion port needle to reduce medical personnel's injury risk.
The fixing ring 11 consists of a left fixing ring 12 and a right fixing ring 13, and the holding part 14 consists of a left holding part 15 and a right holding part 16; the rear end of the left fixing ring 12 is fixedly connected with a left holding part 15, the rear end of the right fixing ring 13 is fixedly connected with a right holding part 16, and the left fixing ring 12 is rotatably connected with the front end of the right fixing ring 13; the arrangement can ensure the stability of the annular fixer 1 when the transfusion port base is fixed.
A fan-shaped connecting column 121 with a circular hole is fixedly arranged on the right side of the left fixing ring 12, and an upper connecting pad 131 and a lower connecting pad 132 with a circular hole are fixedly arranged on the left side of the right fixing ring 13; and a rotating nail 142 corresponding to the inner diameter of the circular hole is additionally arranged, the rotating nail 142 penetrates through the upper connecting pad 131, passes through the fan-shaped connecting column 121 and then penetrates out of the lower connecting pad 132, and the rotating connection between the left fixing ring 12 and the right fixing ring 13 is realized.
The connecting structure comprises a first screw 143 and a screw cap 144 matched with one end of the first screw 143 in size, and the first screw 143 is combined with the screw cap 144.
Threaded holes 141 corresponding to the first threaded nails 143 in size are respectively formed in the holding part 14 and the tilted movable rod 22, and the first threaded nails 143 are connected with the threaded holes 141 in a combined manner; in this way, one end of the first screw 143 passes through the holding portion 14 and the tilted movable rod 22 or the tilted movable rod 22 and the holding portion 14, and then the screw cap 144 is screwed into the first screw 143 to satisfy the rotating connection between the holding portion 14 and the clip holder 2.
The handle 145 is arranged at the rear ends of the holding part 14 and the tilted movable rod 22, the handle 145 is fixedly connected with the holding part 14 and the tilted movable rod 22, and the handle 145 is convenient for the operation of medical staff.
The front end of the warped movable rod 22 is fixedly connected with an insertion rod 23, the front end of the insertion rod 23 is provided with a fixing cap 24, the insertion rod 23 is connected with the clamp 21 through the fixing cap 24 in a combined mode, and the detachable connection of the insertion rod 23 and the clamp 21 can be met through the arrangement.
The clamp 21 comprises clamping plates for clamping the needle wings of the transfusion port and an adjusting structure for adjusting the distance between the clamping plates; the clamping plates comprise a left clamping plate 212 and a right clamping plate 213, and the clamping plates are detachably connected with the adjusting structure;
the clip 21 is provided with a jack 214 for the insertion rod 23 to extend into, and an accommodating cavity 215 for accommodating the front end of the insertion rod 23 and the fixing cap 24, so that the combined connection of the insertion rod 23 and the clip 21 is realized.
A connecting sleeve 211 is arranged between the clamping plate and the inserting rod 23, and the connecting sleeve 211 is fixedly connected with the clamping plate; the insertion hole 214 is arranged at the rear end of the connecting sleeve 211, the insertion rod 23 penetrates through the insertion hole 214 to enter the accommodating cavity 215, and the insertion rod 23 is connected with the connecting sleeve 211 in a combined mode through the fixing cap 24; this facilitates the replacement of the clip 21 by the medical staff at any time.
The left end and the right end of the connecting sleeve 211 are provided with an extending hole 216 with the circle center mapped as one point, and the adjusting structure comprises a second threaded nail 25 passing through the extending hole 216 and a butterfly nut 26 for fixing the second threaded nail 25; the distance between the clamping plates is adjusted in such a way, so that the clamping plates can clamp the needle wings of the infusion port.
The ring holder 1 and the clip holder 2 are made of a stainless steel material.
Example 2A needle puller for an infusion port
A transfusion port needle extraction instrument comprises an annular fixer 1 for fixing a transfusion port base and a clip fixer 2 for clamping a transfusion port needle wing so as to extract a transfusion port needle, and is characterized in that the clip fixer 2 is arranged above the annular fixer 1, and the annular fixer 1 and the clip fixer 2 are movably connected through a connecting structure; the annular fixer 1 comprises a fixing ring 11 and a holding part 14, the fixing ring 11 is fixedly connected with the holding part 14, and the upper part of the holding part 14 is rotatably connected with the clip fixer 2; the clip fixer 2 comprises a clip 21 and a tilted movable rod 22, and the clip 21 is connected with the tilted movable rod 22 in a combined manner; during the use, the annular fixing device 1 is fixed infusion port base, and the clip fixing device 2 presss from both sides tight infusion port needle wing, makes clip 21 shift up through pushing down the shape movable rod 22 that sticks up, and then reaches the purpose with the perk of infusion port needle, realizes that the one hand pulls out the effect of replacement with the infusion port needle to reduce medical personnel's injury risk.
The fixing ring 11 consists of a left fixing ring 12 and a right fixing ring 13, and the holding part 14 consists of a left holding part 15 and a right holding part 16; the rear end of the left fixing ring 12 is fixedly connected with a left holding part 15, the rear end of the right fixing ring 13 is fixedly connected with a right holding part 16, and the left fixing ring 12 is rotatably connected with the front end of the right fixing ring 13; the arrangement can ensure the stability of the annular fixer 1 when the transfusion port base is fixed.
A fan-shaped connecting column 121 with a circular hole is fixedly arranged on the right side of the left fixing ring 12, and an upper connecting pad 131 and a lower connecting pad 132 with a circular hole are fixedly arranged on the left side of the right fixing ring 13; and a rotating nail 142 corresponding to the inner diameter of the circular hole is additionally arranged, the rotating nail 142 penetrates through the upper connecting pad 131, passes through the fan-shaped connecting column 121 and then penetrates out of the lower connecting pad 132, and the rotating connection between the left fixing ring 12 and the right fixing ring 13 is realized.
The connecting structure comprises a first screw 143 and a screw cap 144 matched with one end of the first screw 143 in size, and the first screw 143 is combined with the screw cap 144.
Threaded holes 141 corresponding to the first threaded nails 143 in size are respectively formed in the holding part 14 and the tilted movable rod 22, and the first threaded nails 143 are connected with the threaded holes 141 in a combined manner; in this way, one end of the first screw 143 passes through the holding portion 14 and the tilted movable rod 22 or the tilted movable rod 22 and the holding portion 14, and then the screw cap 144 is screwed into the first screw 143 to satisfy the rotating connection between the holding portion 14 and the clip holder 2.
The handle 145 is arranged at the rear ends of the holding part 14 and the tilted movable rod 22, the handle 145 is fixedly connected with the holding part 14 and the tilted movable rod 22, and the handle 145 is convenient for the operation of medical staff.
The front end of the warped movable rod 22 is fixedly connected with an insertion rod 23, the front end of the insertion rod 23 is provided with a fixing cap 24, the insertion rod 23 is connected with the clamp 21 through the fixing cap 24 in a combined mode, and the detachable connection of the insertion rod 23 and the clamp 21 can be met through the arrangement.
Or, the front end of the tilted movable rod 22 is provided with a threaded hole 141 matched with the outer diameter of the inserted rod 23, and the rear end of the inserted rod 23 is provided with a threaded structure, so that the inserted rod 23 is in threaded connection with the tilted movable rod 22.
The clamp 21 comprises clamping plates for clamping the needle wings of the transfusion port and an adjusting structure for adjusting the distance between the clamping plates; the clamping plates comprise a left clamping plate 212 and a right clamping plate 213, and the clamping plates are detachably connected with the adjusting structure;
the clip 21 is provided with a jack 214 for the insertion rod 23 to extend into, and an accommodating cavity 215 for accommodating the front end of the insertion rod 23 and the fixing cap 24, so that the combined connection of the insertion rod 23 and the clip 21 is realized.
An adjusting spring 27 is arranged between the left clamping plate 212 and the right clamping plate 213 to adjust the distance between the left clamping plate 212 and the right clamping plate 213; the outer sides of the left clamping plate 212 and the right clamping plate 213 are provided with grooves 218 matched with the outer diameter of the spring, and one end of the adjusting spring 27 is placed at the positions of the grooves 218 on the outer sides of the left clamping plate 212 and the right clamping plate 213 or the right clamping plate 213 and the left clamping plate 212 in a surrounding mode, so that the left clamping plate 212 and the right clamping plate 213 are fixed.
The ring holder 1 and the clip holder 2 are made of a stainless steel material.
Example 3A transfusion port needle withdrawing instrument
A transfusion port needle extraction instrument comprises an annular fixer 1 for fixing a transfusion port base and a clip fixer 2 for clamping a transfusion port needle wing so as to extract a transfusion port needle, and is characterized in that the clip fixer 2 is arranged above the annular fixer 1, and the annular fixer 1 and the clip fixer 2 are movably connected through a connecting structure; the annular fixer 1 comprises a fixing ring 11 and a holding part 14, the fixing ring 11 is fixedly connected with the holding part 14, and the upper part of the holding part 14 is rotatably connected with the clip fixer 2; the clip fixer 2 comprises a clip 21 and a tilted movable rod 22, and the clip 21 is connected with the tilted movable rod 22 in a combined manner; during the use, the annular fixing device 1 is fixed infusion port base, and the clip fixing device 2 presss from both sides tight infusion port needle wing, makes clip 21 shift up through pushing down the shape movable rod 22 that sticks up, and then reaches the purpose with the perk of infusion port needle, realizes that the one hand pulls out the effect of replacement with the infusion port needle to reduce medical personnel's injury risk.
The fixing ring 11 consists of a left fixing ring 12 and a right fixing ring 13, and the holding part 14 consists of a left holding part 15 and a right holding part 16; the rear end of the left fixing ring 12 is fixedly connected with a left holding part 15, the rear end of the right fixing ring 13 is fixedly connected with a right holding part 16, and the left fixing ring 12 is rotatably connected with the front end of the right fixing ring 13; the arrangement can ensure the stability of the annular fixer 1 when the transfusion port base is fixed.
A fan-shaped connecting column 121 with a circular hole is fixedly arranged on the right side of the left fixing ring 12, and an upper connecting pad 131 and a lower connecting pad 132 with a circular hole are fixedly arranged on the left side of the right fixing ring 13; and a rotating nail 142 corresponding to the inner diameter of the circular hole is additionally arranged, the rotating nail 142 penetrates through the upper connecting pad 131, passes through the fan-shaped connecting column 121 and then penetrates out of the lower connecting pad 132, and the rotating connection between the left fixing ring 12 and the right fixing ring 13 is realized.
A protection pad 17 for protecting the skin of a patient is arranged on the inner wall of the fixing ring 11, and the protection pad 17 is combined and connected with the inner wall of the fixing ring 11; the outer diameter of the protection pad 17 is consistent with the inner diameter of the fixing ring 11, so that the requirement of timely replacement can be met; this arrangement avoids the risk of cross-contamination between different patients.
A soft protection pad 18 is arranged at the bottom of the fixing ring 11, the outer diameter of the protection pad 18 is larger than that of the fixing ring 11, and the inner diameter of the protection pad 18 is equal to that of the protection pad 17; this arrangement increases patient comfort.
The connecting structure comprises a first screw 143 and a screw cap 144 matched with one end of the first screw 143 in size, and the first screw 143 is combined with the screw cap 144.
Threaded holes 141 corresponding to the first threaded nails 143 in size are respectively formed in the holding part 14 and the tilted movable rod 22, and the first threaded nails 143 are connected with the threaded holes 141 in a combined manner; in this way, one end of the first screw 143 passes through the holding portion 14 and the tilted movable rod 22 or the tilted movable rod 22 and the holding portion 14, and then the screw cap 144 is screwed into the first screw 143 to satisfy the rotating connection between the holding portion 14 and the clip holder 2.
The handle 145 is arranged at the rear ends of the holding part 14 and the tilted movable rod 22, the handle 145 is fixedly connected with the holding part 14 and the tilted movable rod 22, and the handle 145 is convenient for the operation of medical staff.
The front end of the warped movable rod 22 is fixedly connected with an insertion rod 23, the front end of the insertion rod 23 is provided with a fixing cap 24, the insertion rod 23 is connected with the clamp 21 through the fixing cap 24 in a combined mode, and the detachable connection of the insertion rod 23 and the clamp 21 can be met through the arrangement.
Or, the front end of the tilted movable rod 22 is provided with a threaded hole 141 matched with the outer diameter of the inserted rod 23, and the rear end of the inserted rod 23 is provided with a threaded structure, so that the inserted rod 23 is in threaded connection with the tilted movable rod 22.
The clamp 21 comprises clamping plates for clamping the needle wings of the transfusion port and an adjusting structure for adjusting the distance between the clamping plates; the clamping plates comprise a left clamping plate 212 and a right clamping plate 213, and the clamping plates are detachably connected with the adjusting structure;
the inner sides of the left clamping plate 212 and the right clamping plate 213 are respectively provided with an anti-skidding structure, so that the clamping plates are effectively prevented from being separated from the needle wings of the transfusion port in the use process; preferably, the inner sides of the left clamping plate 212 and the right clamping plate 213 are respectively provided with a non-slip mat 217 which is attached to the two clamping plates.
The clip 21 is provided with a jack 214 for the insertion rod 23 to extend into, and an accommodating cavity 215 for accommodating the front end of the insertion rod 23 and the fixing cap 24, so that the combined connection of the insertion rod 23 and the clip 21 is realized.
An adjusting spring 27 is arranged between the left clamping plate 212 and the right clamping plate 213 to adjust the distance between the left clamping plate 212 and the right clamping plate 213; the outer sides of the left clamping plate 212 and the right clamping plate 213 are provided with grooves 218 matched with the outer diameter of the spring, and one end of the adjusting spring 27 is placed at the positions of the grooves 218 on the outer sides of the left clamping plate 212 and the right clamping plate 213 or the right clamping plate 213 and the left clamping plate 212 in a surrounding mode, so that the left clamping plate 212 and the right clamping plate 213 are fixed.
The ring holder 1 and the clip holder 2 are made of a stainless steel material.
Example 4 an infusion port needle puller
A transfusion port needle extraction instrument comprises an annular fixer 1 for fixing a transfusion port base and a clip fixer 2 for clamping a transfusion port needle wing so as to extract a transfusion port needle, and is characterized in that the clip fixer 2 is arranged above the annular fixer 1, and the annular fixer 1 and the clip fixer 2 are movably connected through a connecting structure; the annular fixer 1 comprises a fixing ring 11 and a holding part 14, the fixing ring 11 is fixedly connected with the holding part 14, and the upper part of the holding part 14 is rotatably connected with the clip fixer 2; the clip fixer 2 comprises a clip 21 and a tilted movable rod 22, and the clip 21 is connected with the tilted movable rod 22 in a combined manner; during the use, the annular fixing device 1 is fixed infusion port base, and the clip fixing device 2 presss from both sides tight infusion port needle wing, makes clip 21 shift up through pushing down the shape movable rod 22 that sticks up, and then reaches the purpose with the perk of infusion port needle, realizes that the one hand pulls out the effect of replacement with the infusion port needle to reduce medical personnel's injury risk.
The fixing ring 11 consists of a left fixing ring 12 and a right fixing ring 13, and the holding part 14 consists of a left holding part 15 and a right holding part 16; the rear end of the left fixing ring 12 is fixedly connected with a left holding part 15, the rear end of the right fixing ring 13 is fixedly connected with a right holding part 16, and the left fixing ring 12 is rotatably connected with the front end of the right fixing ring 13; the arrangement can ensure the stability of the annular fixer 1 when the transfusion port base is fixed.
A fan-shaped connecting column 121 with a circular hole is fixedly arranged on the right side of the left fixing ring 12, and an upper connecting pad 131 and a lower connecting pad 132 with a circular hole are fixedly arranged on the left side of the right fixing ring 13; and a rotating nail 142 corresponding to the inner diameter of the circular hole is additionally arranged, the rotating nail 142 penetrates through the upper connecting pad 131, passes through the fan-shaped connecting column 121 and then penetrates out of the lower connecting pad 132, and the rotating connection between the left fixing ring 12 and the right fixing ring 13 is realized.
A protection pad 17 for protecting the skin of a patient is arranged on the inner wall of the fixing ring 11, and the protection pad 17 is combined and connected with the inner wall of the fixing ring 11; the outer diameter of the protection pad 17 is consistent with the inner diameter of the fixing ring 11, so that the requirement of timely replacement can be met; this arrangement avoids the risk of cross-contamination between different patients.
A soft protection pad 18 is arranged at the bottom of the fixing ring 11, the outer diameter of the protection pad 18 is larger than that of the fixing ring 11, and the inner diameter of the protection pad 18 is equal to that of the protection pad 17; this arrangement increases patient comfort.
The protection pad 17 and the protection pad 18 are arranged in a circular ring structure, and the circle centers of the protection pad and the protection pad are consistent with the circle center of the fixing ring 11.
The protective pads 17 and 18 are made of an elastic skin-friendly material, which can effectively ensure the comfort of the patient.
The connecting structure comprises a first screw 143 and a screw cap 144 matched with one end of the first screw 143 in size, and the first screw 143 is combined with the screw cap 144.
Threaded holes 141 corresponding to the first threaded nails 143 in size are respectively formed in the holding part 14 and the tilted movable rod 22, and the first threaded nails 143 are connected with the threaded holes 141 in a combined manner; in this way, one end of the first screw 143 passes through the holding portion 14 and the tilted movable rod 22 or the tilted movable rod 22 and the holding portion 14, and then the screw cap 144 is screwed into the first screw 143 to satisfy the rotating connection between the holding portion 14 and the clip holder 2.
The handle 145 is arranged at the rear ends of the holding part 14 and the tilted movable rod 22, the handle 145 is fixedly connected with the holding part 14 and the tilted movable rod 22, and the handle 145 is convenient for the operation of medical staff.
The front end of the warped movable rod 22 is fixedly connected with an insertion rod 23, the front end of the insertion rod 23 is provided with a fixing cap 24, the insertion rod 23 is connected with the clamp 21 through the fixing cap 24 in a combined mode, and the detachable connection of the insertion rod 23 and the clamp 21 can be met through the arrangement.
Or, the front end of the tilted movable rod 22 is provided with a threaded hole 141 matched with the outer diameter of the inserted rod 23, and the rear end of the inserted rod 23 is provided with a threaded structure, so that the inserted rod 23 is in threaded connection with the tilted movable rod 22.
The clamp 21 comprises clamping plates for clamping the needle wings of the transfusion port and an adjusting structure for adjusting the distance between the clamping plates; the clamping plates comprise a left clamping plate 212 and a right clamping plate 213, and the clamping plates are detachably connected with the adjusting structure;
the inner sides of the left clamping plate 212 and the right clamping plate 213 are respectively provided with an anti-skidding structure, so that the clamping plates are effectively prevented from being separated from the needle wings of the transfusion port in the use process; preferably, the inner sides of the left clamping plate 212 and the right clamping plate 213 are respectively provided with a non-slip mat 217 which is attached to the two clamping plates.
The clip 21 is provided with a jack 214 for the insertion rod 23 to extend into, and an accommodating cavity 215 for accommodating the front end of the insertion rod 23 and the fixing cap 24, so that the combined connection of the insertion rod 23 and the clip 21 is realized.
A connecting sleeve 211 is arranged between the clamping plate and the inserting rod 23, and the connecting sleeve 211 is fixedly connected with the clamping plate; the insertion hole 214 is arranged at the rear end of the connecting sleeve 211, the insertion rod 23 penetrates through the insertion hole 214 to enter the accommodating cavity 215, and the insertion rod 23 is connected with the connecting sleeve 211 in a combined mode through the fixing cap 24; this facilitates the replacement of the clip 21 by the medical staff at any time.
The left end and the right end of the connecting sleeve 211 are provided with an extending hole 216 with the circle center mapped as one point, and the adjusting structure comprises a second threaded nail 25 passing through the extending hole 216 and a butterfly nut 26 for fixing the second threaded nail 25; the distance between the clamping plates is adjusted in such a way, so that the clamping plates can clamp the needle wings of the infusion port.
Alternatively, an adjusting spring 27 is arranged between the left clamping plate 212 and the right clamping plate 213 to adjust the distance between the left clamping plate 212 and the right clamping plate 213; the outer sides of the left clamping plate 212 and the right clamping plate 213 are provided with grooves 218 matched with the outer diameter of the spring, and one end of the adjusting spring 27 is placed at the positions of the grooves 218 on the outer sides of the left clamping plate 212 and the right clamping plate 213 or the right clamping plate 213 and the left clamping plate 212 in a surrounding mode, so that the left clamping plate 212 and the right clamping plate 213 are fixed.
The ring holder 1 and the clip holder 2 are made of a stainless steel material.
The above description of the embodiments is only intended to illustrate the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications can be made to the present invention, and these modifications will fall within the protection scope of the claims of the present invention.
Claims (10)
1. The transfusion port needle extraction instrument comprises an annular fixer (1) for fixing a transfusion port base and a clip fixer (2) for clamping a transfusion port needle wing and further extracting a transfusion port needle, and is characterized in that the clip fixer (2) is arranged above the annular fixer (1), and the annular fixer (1) and the clip fixer (2) are movably connected through a connecting structure; the annular fixer (1) comprises a fixing ring (11) and a holding part (14), the fixing ring (11) is fixedly connected with the holding part (14), and the upper part of the holding part (14) is rotatably connected with the clip fixer (2); the clip fixer (2) comprises a clip (21) and a tilted movable rod (22), wherein the clip (21) is connected with the tilted movable rod (22) in a combined manner.
2. The port withdrawal apparatus according to claim 1, wherein the securing ring (11) is composed of a left securing ring (12) and a right securing ring (13), and the grip portion (14) is composed of a left grip portion (15) and a right grip portion (16); the rear end of the left fixing ring (12) is fixedly connected with a left holding part (15), the rear end of the right fixing ring (13) is fixedly connected with a right holding part (16), and the left fixing ring (12) is rotatably connected with the front end of the right fixing ring (13).
3. The port needle puller according to claim 2, wherein a fan-shaped connecting post (121) with a round hole is fixedly arranged at the right side of the left fixing ring (12), and an upper connecting pad (131) and a lower connecting pad (132) with a round hole are fixedly arranged at the left side of the right fixing ring (13); and a rotating nail (142) corresponding to the inner diameter of the round hole is arranged, the rotating nail (142) penetrates through the upper connecting pad (131) and penetrates out of the lower connecting pad (132) after passing through the fan-shaped connecting column (121), and the rotating connection between the left fixing ring (12) and the right fixing ring (13) is realized.
4. The port withdrawal apparatus according to claim 1, wherein a protective pad (17) for protecting the skin of the patient is disposed on the inner wall of the fixing ring (11), and the protective pad (17) is combined and connected with the inner wall of the fixing ring (11); the outer diameter of the protection pad (17) is consistent with the inner diameter of the fixing ring (11), so that the requirement for timely replacement can be met.
5. The Port needle puller according to claim 4, wherein a soft protective pad (18) is arranged at the bottom of the fixing ring (11), the outer diameter of the protective pad (18) is larger than the outer diameter of the fixing ring (11), and the inner diameter of the protective pad (18) is equal to the inner diameter of the protective pad (17).
6. The instrument for withdrawing a needle from a transfusion port as claimed in claim 1, wherein the front end of the tilted movable rod (22) is fixedly connected with an insertion rod (23), the front end of the insertion rod (23) is provided with a fixed cap (24), and the insertion rod (23) is connected with the clamp (21) in a combined manner through the fixed cap (24).
7. The port needle puller according to claim 6, wherein the clamp (21) comprises clamping plates for clamping the port needle wings, and an adjustment structure for adjusting the distance between the clamping plates; the splint include left splint (212) and right splint (213), splint and regulation structure can dismantle and be connected.
8. The port needle puller according to claim 7, wherein a connecting sleeve (211) is arranged between the clamping plate and the insertion rod (23), and the connecting sleeve (211) is fixedly connected with the clamping plate; the jack (214) is arranged at the rear end of the connecting sleeve (211), the inserted rod (23) penetrates through the jack (214) to enter the accommodating cavity (215), and the inserted rod (23) is connected with the connecting sleeve (211) in a combined mode through the fixing cap (24).
9. The Port pulling instrument according to claim 8, wherein the left and right ends of the connection sleeve (211) are provided with an access hole (216) having a center mapped to a point, and the adjusting structure comprises a second screw (25) passing through the access hole (216) and a butterfly nut (26) for fixing the second screw (25).
10. The port withdrawal apparatus according to claim 7, wherein an adjustment spring (27) is provided between the left clamping plate (212) and the right clamping plate (213) to adjust the distance between the left clamping plate (212) and the right clamping plate (213); the outer sides of the left clamping plate (212) and the right clamping plate (213) are provided with grooves (218) matched with the outer diameter of the spring, one end of the adjusting spring (27) is placed at the positions of the grooves (218) on the outer sides of the left clamping plate (212) and the right clamping plate (213) or the right clamping plate (213) and the left clamping plate (212) in a surrounding mode, and the effect of fixing the left clamping plate (212) and the right clamping plate (213) is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020059221.7U CN211675693U (en) | 2020-01-13 | 2020-01-13 | Transfusion port needle pulling-out instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020059221.7U CN211675693U (en) | 2020-01-13 | 2020-01-13 | Transfusion port needle pulling-out instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211675693U true CN211675693U (en) | 2020-10-16 |
Family
ID=72800697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020059221.7U Expired - Fee Related CN211675693U (en) | 2020-01-13 | 2020-01-13 | Transfusion port needle pulling-out instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211675693U (en) |
-
2020
- 2020-01-13 CN CN202020059221.7U patent/CN211675693U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 Termination date: 20220113 |