CN110141327B - Improved deep vein puncture device - Google Patents
Improved deep vein puncture device Download PDFInfo
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- CN110141327B CN110141327B CN201910489697.6A CN201910489697A CN110141327B CN 110141327 B CN110141327 B CN 110141327B CN 201910489697 A CN201910489697 A CN 201910489697A CN 110141327 B CN110141327 B CN 110141327B
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- shaped transition
- guide wire
- side wall
- deep vein
- puncture device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1586—Holding accessories for holding infusion needles on the body
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Gastroenterology & Hepatology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Hematology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
An improved deep vein puncture device. The invention relates to the technical field of medical auxiliary devices, in particular to a puncture mechanism and a fixing mechanism, wherein the puncture mechanism comprises an outer needle and a guide wire catheter, the top end of the outer needle is connected with a connecting sleeve communicated with the inner cavity of the outer needle, the outer side wall of the connecting sleeve is fixedly provided with bilaterally symmetrical handles, and the top end of the connecting sleeve is hermetically sleeved with an auxiliary sleeve; a plurality of springs are circumferentially fixed at the bottom end of the inner side wall of the auxiliary sleeve, Z-shaped transition blocks are fixed at the free ends of the springs, a guide wire guide pipe is inserted in a gap between the Z-shaped transition blocks in a transition fit mode, and a sealing plug is fixedly sleeved at the upper end of the outer side wall of the guide wire guide pipe; the Z-shaped transition block comprises a front bulge, a front groove, a rear groove and a rear bulge; the deep venipuncture device designed by the invention can treat the guide wire catheter, prevent air from attaching to the surface of the guide wire catheter and entering the blood vessel of a patient, and can fix the remaining needle, so that the deep venipuncture device is strong in practicability and has excellent market popularization value.
Description
Technical Field
The invention relates to the technical field of medical auxiliary devices, in particular to an improved deep vein puncture device.
Background
In medical practice, deep venipuncture is an important diagnostic technique, and is often used in situations where a vein is not suitable for puncture and requires long-term infusion or rapid infusion of liquid nutrition. The existing puncture needle head is composed of a needle point, a needle stem and a pintle, the needle point is generally provided with an inclined surface, and a guide wire needs to be sent into a deep vein during puncture. However, during introduction of the guide wire catheter into the vein of the patient, the guide wire catheter is exposed, and air may be entrained into the blood vessel during the puncture, thereby posing a certain risk and requiring improvement.
The traditional puncture needs to form an included angle of 30 degrees between a needle head and a human body, so that the puncture can be conveniently carried out, a plurality of patients need to leave an indwelling needle in a vein during dialysis, but the indwelling needle is not easy to fix and is easy to touch during the movement of the patients, so that the indwelling needle can easily puncture the blood vessel of the patients, certain risks are brought to the life safety of the patients, and the improved deep vein puncture device is provided in order to solve the technical problems existing in the deep vein puncture device in the prior art.
Disclosure of Invention
Solves the technical problem
Aiming at the defects in the prior art, the invention provides an improved deep vein puncture device which can effectively solve the problems that the deep vein puncture device in the prior art cannot perform puncture pretreatment on a guide wire catheter and is inconvenient to fix an indwelling needle.
Technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
an improved deep vein puncture device comprises a puncture mechanism and a fixing mechanism, wherein the puncture mechanism comprises an outer needle and a guide wire catheter, the top end of the outer needle is connected with a connecting sleeve communicated with the inner cavity of the outer needle, bilaterally symmetrical handles are fixedly installed on the outer side wall of the connecting sleeve, and the top end of the connecting sleeve is hermetically sleeved with an auxiliary sleeve; a plurality of springs are circumferentially fixed at the bottom end of the inner side wall of the auxiliary sleeve, Z-shaped transition blocks are fixed at the free ends of the springs, the guide wire guide pipe is inserted in a gap between the Z-shaped transition blocks in a transition fit mode, and a sealing plug is fixedly sleeved at the upper end of the outer side wall of the guide wire guide pipe; the Z-shaped transition blocks comprise front protrusions, front grooves, rear grooves and rear protrusions, the front protrusions of each Z-shaped transition block are clamped in the rear grooves of the other Z-shaped transition block, and the rear protrusions of each Z-shaped transition block are clamped in the front grooves of the other Z-shaped transition block; the fixing mechanism comprises a silica gel cushion block, the bottom ends of the left side wall and the right side wall of the silica gel cushion block are respectively fixed with a fixing side plate, a placing groove is formed in the front side wall of the silica gel cushion block, and the fixing side plates are provided with connecting mechanisms.
Furthermore, the overlooking cross section of the Z-shaped transition blocks is arc-shaped, and the gap formed between the Z-shaped transition blocks is cylindrical, so that the guide wire and the guide tube are in transition fit and are inserted into the gap formed between the Z-shaped transition blocks, the inner side wall of the Z-shaped transition block extrudes the guide wire and air can be prevented from attaching to the outer side wall of the guide wire and entering into the blood vessel of a patient along with the outer side wall of the guide wire and the guide tube.
Furthermore, the Z-shaped transition block is made of a soft antibacterial material, and the soft antibacterial material has a certain antibacterial property.
Furthermore, the sealing plug can be plugged into the top end of the inner cavity of the auxiliary sleeve, and a sealing stop block is fixed at the top end of the sealing plug, so that the top end of the outer needle is prevented from being communicated with air, and bacteria in the air can enter the blood vessel along the outer needle.
Furthermore, the side cross-section of silica gel cushion is right trapezoid, and the angle between its inclined plane and the bottom face is 30, when being 30 contained angle between syringe needle and the human body, can be convenient for like this going on of puncture.
Furthermore, silica gel cushion and fixed curb plate are same material, and adopt integrated into one piece technology to make between the two to be convenient for fix the silica gel cushion on human surface through fixed curb plate, thereby fix the needle of keeping somewhere, prevent to keep somewhere the needle and cause the injury to the patient because of being bumped by the mistake.
Furthermore, coupling mechanism is including connecting the connector link on the top face of fixed curb plate free end, be formed with the slotted hole between connector link and the fixed curb plate, the bandage is passed to the slotted hole inside callipers, magic subsides needle face and magic tape hair face have all been laid in proper order to the free end of bandage.
Furthermore, medical adhesive tapes can be stuck on the silica gel cushion block and the fixed side plate.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
1. according to the invention, through increasing the design of the Z-shaped transition blocks and the springs, the lower end of the inner side wall of the auxiliary sleeve is circumferentially connected with the plurality of springs, the Z-shaped transition blocks are fixed at the free ends of the springs, and the gap formed between the Z-shaped transition blocks is cylindrical, so that the guide wire guide pipe is in transition fit with and inserted into the gap formed between the Z-shaped transition blocks, the inner side wall of the Z-shaped transition block extrudes the guide wire guide pipe, and air can be prevented from being attached to the outer side wall of the guide wire guide pipe and then entering the blood vessel of a patient to a certain extent.
2. According to the invention, through the design of adding the silica gel cushion block, the fixed side plate and the placing groove, the side section of the silica gel cushion block is in a right trapezoid shape, and the angle between the inclined surface and the bottom end surface is 30 degrees, so that when the outer needle is inserted into a blood vessel, the silica gel cushion block is placed on one side of the needle body, the needle body is conveniently fixed in the placing groove, and the needle body can be effectively prevented from being accidentally bumped to cause injury to the blood vessel of a patient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a front view of the lancing mechanism of the present invention;
FIG. 2 is a schematic cross-sectional view of the lancing mechanism of the present invention;
FIG. 3 is a schematic cross-sectional view of an auxiliary sleeve of the present invention;
FIG. 4 is a schematic view of the tiling of the Z-shaped transition blocks of the present invention;
FIG. 5 is a schematic view of the piercing mechanism and securing mechanism of the present invention;
FIG. 6 is a schematic view of the lancing mechanism of the present invention being secured;
the reference numerals in the drawings denote: 1-external needle; 2-a guide wire catheter; 3-connecting the sleeve; 4-a handle; 5-an auxiliary sleeve; 6-a spring; a 7-Z type transition block; 8-front bulge; 9-front groove; 10-rear groove; 11-rear projection; 12-a sealing plug; 13-silica gel cushion blocks; 14-fixing the side plate; 15-placing a groove; 16-connecting buckles; 17-a strap; 18-magic needle sticking surface; 19-magic tape matt surface; 20-medical adhesive tape; 21-a slot; 22-sealing stop.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Examples
An improved deep vein puncture device of the present embodiment is disclosed with reference to fig. 1 to 6: the puncture mechanism comprises an outer needle 1 and a guide wire catheter 2, the top end of the outer needle 1 is connected with a connecting sleeve 3 communicated with the inner cavity of the outer needle, the outer side wall of the connecting sleeve 3 is fixedly provided with bilaterally symmetrical handles 4, and the top end of the connecting sleeve 3 is hermetically sleeved with an auxiliary sleeve 5; a plurality of springs 6 are circumferentially fixed at the bottom end of the inner side wall of the auxiliary sleeve 5, Z-shaped transition blocks 7 are fixed at the free ends of the springs 6, a guide wire guide pipe 2 is inserted in a gap between the Z-shaped transition blocks 7 in a transition fit mode, and a sealing plug 12 is fixedly sleeved at the upper end of the outer side wall of the guide wire guide pipe 2; the Z-shaped transition blocks 7 comprise front protrusions 8, front grooves 9, rear grooves 10 and rear protrusions 11, the front protrusions 8 of each Z-shaped transition block 7 are clamped in the rear grooves 10 of the other Z-shaped transition block 7, and the rear protrusions 11 of each Z-shaped transition block 7 are clamped in the front grooves 9 of the other Z-shaped transition block 7; the fixing mechanism comprises a silica gel cushion block 13, the bottom ends of the left side wall and the right side wall of the silica gel cushion block 13 are respectively fixed with a fixed side plate 14, a placing groove 15 is formed in the front side wall of the silica gel cushion block 13, and a connecting mechanism is installed on the fixed side plate 14.
The overlooking sections of the Z-shaped transition blocks 7 are arc-shaped, and gaps formed among the Z-shaped transition blocks 7 are cylindrical; the Z-shaped transition block 7 is made of soft antibacterial materials; the sealing plug 12 can be plugged into the top end of the inner cavity of the auxiliary sleeve 5, and a sealing stop 22 is fixed at the top end of the sealing plug 12; the side section of the silica gel cushion block 13 is in a right trapezoid shape, and the angle between the inclined surface and the bottom end surface is 30 degrees; the silica gel cushion block 13 and the fixed side plate 14 are made of the same material and are manufactured by adopting an integral forming process; the connecting mechanism comprises a connecting buckle 16 connected to the top end face of the free end of the fixed side plate 14, a slot 21 is formed between the connecting buckle 16 and the fixed side plate 14, the slot 21 is internally clamped and penetrates through the bandage 17, and the free end of the bandage 17 is sequentially paved with a magic tape needle face 18 and a magic tape hair face 19; the silica gel cushion block 13 and the fixed side plate 14 can be stuck with medical adhesive tapes 20.
During the use, at first prick the blood vessel of the deep vein of patient with outer needle 1 after the disinfection treatment, when blood spouts from the top of auxiliary sleeve 5 along outer needle 1, guide wire pipe 2 after the disinfection treatment is pegged graft and is filled in the clearance that forms between Z type transition piece 7, guide wire pipe 2 transition fit is pegged graft in the clearance this moment, then in-process in filling in patient's blood vessel along outer needle 1 with guide wire pipe 2, the lateral wall of guide wire pipe 2 all receives the extrusion between the 7 inside walls of Z type transition piece this moment, thereby can get rid of the air or other materials that adhere to on the lateral wall of guide wire pipe 2 through the clearance that forms between Z type transition piece 7 to a certain extent, and then effectively prevent that air or other materials from adhering to entering into patient's blood vessel thereupon on the lateral wall of guide wire pipe 2, cause the injury to patient's health. Different guide wire catheters 2 are used according to different deep venipuncture positions, the positions of sealing plugs 12 on each guide wire catheter 2 are different, the distances between the puncture ends of the guide wire catheters 2 and the sealing plugs 12 are different according to different deep venipuncture positions, and when the guide wire catheter 2 with the specified length is penetrated into a blood vessel, the sealing plugs 12 can be plugged into an inner cavity at the top end of the auxiliary sleeve 5, so that the deep venipuncture operation is completed.
When the puncture mechanism is fixed, the silica gel cushion block 13 is tightly attached to the skin surface of a patient along one side of the puncture mechanism, then the puncture mechanism is placed in the placing groove 15, the medical adhesive tape 20 is used for adhering and fixing the puncture mechanism on the silica gel cushion block 13, and if the puncture part is the lower side of the clavicle, the medical adhesive tape 20 is used for adhering and fixing the fixed side plate 14 on the skin surface of the patient; if the puncture position is on the limb, the bandage 17 is wound on the limb, the free end of the bandage 17 passes through the slotted hole 21, and the magic tape needle surface 18 is attached to the magic tape hair surface 19, so that the puncture mechanism and the fixing mechanism are fixed. The deep venipuncture device designed by the invention can treat the guide wire catheter, prevent air from attaching to the surface of the guide wire catheter and entering the blood vessel of a patient, and can fix the remaining needle, so that the deep venipuncture device is strong in practicability and has excellent market popularization value.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (8)
1. An improved deep vein puncture device is characterized in that: the puncture device comprises a puncture mechanism and a fixing mechanism, wherein the puncture mechanism comprises an outer needle (1) and a guide wire catheter (2), the top end of the outer needle (1) is connected with a connecting sleeve (3) communicated with the inner cavity of the outer needle, bilaterally symmetrical handles (4) are fixedly installed on the outer side wall of the connecting sleeve (3), and the top end of the connecting sleeve (3) is hermetically sleeved with an auxiliary sleeve (5); a plurality of springs (6) are circumferentially fixed at the bottom end of the inner side wall of the auxiliary sleeve (5), Z-shaped transition blocks (7) are fixed at the free ends of the springs (6), the guide wire guide pipe (2) is inserted in a gap between the Z-shaped transition blocks (7) in a transition fit mode, and a sealing plug (12) is fixedly sleeved at the upper end of the outer side wall of the guide wire guide pipe (2); the Z-shaped transition blocks (7) comprise front protrusions (8), front grooves (9), rear grooves (10) and rear protrusions (11), the front protrusions (8) of each Z-shaped transition block (7) are clamped in the rear grooves (10) of the other Z-shaped transition block (7), and the rear protrusions (11) of each Z-shaped transition block (7) are clamped in the front grooves (9) of the other Z-shaped transition block (7); the fixing mechanism comprises a silica gel cushion block (13), the bottom ends of the left side wall and the right side wall of the silica gel cushion block (13) are respectively fixed with a fixed side plate (14), a placing groove (15) is formed in the front side wall of the silica gel cushion block (13), and a connecting mechanism is installed on the fixed side plate (14).
2. An improved deep vein puncture device according to claim 1, characterized in that said Z-shaped transition blocks (7) are arc-shaped in top view cross section and the gaps formed between the Z-shaped transition blocks (7) are cylindrical.
3. An improved deep vein puncture device according to claim 1, characterized in that said Z-shaped transition block (7) is made of soft antibacterial material.
4. An improved deep vein puncture device according to claim 1, wherein said sealing plug (12) can be inserted into the top end of the inner cavity of the auxiliary sleeve (5), and a sealing stop (22) is fixed on the top end of said sealing plug (12).
5. An improved deep vein puncture device according to claim 1, wherein said silicone pad (13) has a right trapezoid side cross-section, and the angle between the inclined surface and the bottom end surface is 30 °.
6. The improved deep vein puncture device according to claim 1, wherein the silicone pad (13) and the fixed side plate (14) are made of the same material and are manufactured by an integral molding process.
7. The improved deep vein puncture device according to claim 1, wherein the connecting mechanism comprises a connecting buckle (16) connected to the top end surface of the free end of the fixed side plate (14), a slot (21) is formed between the connecting buckle (16) and the fixed side plate (14), the slot (21) is internally clamped and passed through the bandage (17), and the free end of the bandage (17) is sequentially paved with a magic needle sticking surface (18) and a magic hair sticking surface (19).
8. An improved deep vein puncture device according to claim 1, wherein said silicone pad (13) and said side plate (14) are both adhered with medical adhesive tape (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910489697.6A CN110141327B (en) | 2019-06-06 | 2019-06-06 | Improved deep vein puncture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910489697.6A CN110141327B (en) | 2019-06-06 | 2019-06-06 | Improved deep vein puncture device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110141327A CN110141327A (en) | 2019-08-20 |
| CN110141327B true CN110141327B (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910489697.6A Active CN110141327B (en) | 2019-06-06 | 2019-06-06 | Improved deep vein puncture device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2778210Y (en) * | 2005-03-18 | 2006-05-10 | 王金新 | Blood vessel puncturing needle preventing blood stream returning |
| JP2014039695A (en) * | 2012-08-23 | 2014-03-06 | Misuzu Kogyo:Kk | Puncture needle |
| CN203506843U (en) * | 2013-09-02 | 2014-04-02 | 河南科技大学 | Artery puncture fixing device |
| CN204468211U (en) * | 2015-01-29 | 2015-07-15 | 姜宏志 | Laparoscope puncture outfit fixture |
| CN204709490U (en) * | 2015-05-06 | 2015-10-21 | 颜新艳 | A kind of blood purification buttonhole puncturing inclinometer |
| CN204840430U (en) * | 2015-05-20 | 2015-12-09 | 颜新艳 | Fluted body button hole puncture angle frame for hemodialysis |
| JP2017131612A (en) * | 2016-01-29 | 2017-08-03 | 昭夫 市原 | Deep venipuncture instrument |
-
2019
- 2019-06-06 CN CN201910489697.6A patent/CN110141327B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2778210Y (en) * | 2005-03-18 | 2006-05-10 | 王金新 | Blood vessel puncturing needle preventing blood stream returning |
| JP2014039695A (en) * | 2012-08-23 | 2014-03-06 | Misuzu Kogyo:Kk | Puncture needle |
| CN203506843U (en) * | 2013-09-02 | 2014-04-02 | 河南科技大学 | Artery puncture fixing device |
| CN204468211U (en) * | 2015-01-29 | 2015-07-15 | 姜宏志 | Laparoscope puncture outfit fixture |
| CN204709490U (en) * | 2015-05-06 | 2015-10-21 | 颜新艳 | A kind of blood purification buttonhole puncturing inclinometer |
| CN204840430U (en) * | 2015-05-20 | 2015-12-09 | 颜新艳 | Fluted body button hole puncture angle frame for hemodialysis |
| JP2017131612A (en) * | 2016-01-29 | 2017-08-03 | 昭夫 市原 | Deep venipuncture instrument |
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| Publication number | Publication date |
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| CN110141327A (en) | 2019-08-20 |
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