CN113827320A - Puncture depth adjustable puncture outfit - Google Patents
Puncture depth adjustable puncture outfit Download PDFInfo
- Publication number
- CN113827320A CN113827320A CN202111117679.9A CN202111117679A CN113827320A CN 113827320 A CN113827320 A CN 113827320A CN 202111117679 A CN202111117679 A CN 202111117679A CN 113827320 A CN113827320 A CN 113827320A
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- China
- Prior art keywords
- puncture
- fixedly connected
- sleeve
- needle rod
- doctor
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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
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
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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
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
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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
- A61B2017/348—Means for supporting the trocar against the body or retaining the trocar inside the body
- A61B2017/3492—Means for supporting the trocar against the body or retaining the trocar inside the body against the outside of the body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention discloses a puncture outfit with adjustable puncture depth, which comprises a positioning mechanism, wherein the positioning mechanism comprises a semicircular cover, a first sucker, two limiting blocks, a ball and a sleeve; a containing cavity is formed between the two limiting blocks and comprises a round ball containing chamber, a first channel and a second channel, the round ball is rotatably arranged in the round ball containing chamber and provided with a jack penetrating through the upper surface and the lower surface of the round ball, one end of the sleeve is arranged in the jack, and the other end of the sleeve extends out of the top surface of the semicircular cover; the puncture core comprises a needle rod and a puncture needle head; the adjusting mechanism comprises a threaded rod and a threaded hole, and the threaded rod is in threaded connection with the threaded hole; the threaded rod is used for locking or unlocking the needle rod. According to the invention, a doctor can adjust the puncture depth through the adjusting mechanism, the use of the doctor is facilitated, the round ball can be limited by the limiting block, and the doctor can conveniently adjust the puncture angle of the needle rod because the needle rod is inserted into the round ball when the doctor performs a puncture operation on a patient.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a puncture outfit with adjustable puncture depth.
Background
More and more operations can now be performed laparoscopically. The surgeon first needs to use a laparoscopic puncture outfit to pierce the abdominal wall to create an operative channel, and then can place a laparoscope and operating forceps through the channel to complete the subsequent operation. The laparoscope puncture outfit mainly comprises a puncture sheath and a puncture needle. The operator firstly puts the puncture needle on the puncture sheath, then uses a certain force to act on the tail part of the puncture outfit, the sharp tip of the puncture needle punctures the abdominal wall to make the whole puncture outfit enter the abdominal cavity, and then pulls out the puncture needle to leave the puncture sheath to form an operation channel. The puncture strength depends on personal experience. The puncture force is difficult to control by beginners, if the puncture force is too large, the tip of the puncture needle breaks through the abdominal wall in the moment, the whole puncture outfit is very easy to enter too deep due to large inertia, the head end of the puncture outfit can damage viscera and blood vessels in the deep part of the abdominal cavity, if the puncture force is too small, the puncture outfit cannot completely penetrate through the abdominal wall, an operation channel cannot be established, the laparoscopic puncture outfit provides an appliance channel application range for the pelvic cavity minimally invasive surgery, various minimally invasive surgical operations can be used, the holding handle according with the human engineering principle is adopted, the hand feeling is comfortable, the puncture controllability is excellent, and the laparoscopic puncture outfit is used as an appliance or a camera to enter an abdominal cavity through a single incision to perform the minimally invasive surgery. Therefore, in the puncture process of the operating doctor, the depth of the puncture outfit entering the abdominal cavity is limited within a safe range, the puncture outfit is prevented from entering the abdominal cavity too deeply after puncturing the abdominal wall, and the protection of the visceral organs and the blood vessels in the abdominal cavity is important.
However, the existing puncture outfit has the problems that the arm pain of a doctor is caused to influence the operation effect because the doctor needs to always hold the puncture outfit by hands for a long time in the operation use process of the doctor, and the puncture depth is inconvenient to adjust.
Disclosure of Invention
The invention aims to provide a puncture outfit with adjustable puncture depth, which solves the problem of inconvenience in adjusting the puncture depth in the background technology.
The purpose of the invention is realized by adopting the following technical scheme:
a puncture instrument with adjustable puncture depth, comprising:
the positioning mechanism comprises a semicircular cover, a first sucker, two limiting blocks, a ball and a sleeve; the top of the semicircular cover is provided with a through hole, and the bottom of the semicircular cover is provided with an opening; the bottom end of the semicircular cover is fixedly connected with the first sucker; the two limiting blocks are fixedly connected inside the semicircular cover, a containing cavity is formed between the two limiting blocks, the containing cavity comprises a round ball containing chamber, a first channel positioned above the round ball containing chamber and a second channel positioned below the round ball containing chamber, and the first channel and the second channel are respectively communicated with the round ball containing chamber; the ball is rotatably arranged in the ball accommodating chamber, the ball is provided with a jack penetrating through the upper surface and the lower surface of the ball, one end of the sleeve is arranged in the jack, and the other end of the sleeve sequentially penetrates through the jack, the first channel and the through hole and extends out of the top surface of the semicircular cover;
the puncture core comprises a needle rod and a puncture needle head arranged at the front end of the needle rod and is used for puncturing the target position of the abdominal wall of a patient; the front end of the needle rod sequentially penetrates through the sleeve, the insertion hole of the ball and the second channel and extends out of the bottom opening of the semicircular cover;
the adjusting mechanism comprises a threaded rod and a threaded hole arranged on the outer surface of the sleeve, and the threaded rod is in threaded connection with the threaded hole; the threaded rod is used for locking or unlocking the needle rod.
In an optional implementation mode, the one end fixedly connected with circular piece of threaded rod, the outside fixedly connected with antislip strip of circular piece, the outside fixedly connected with connection piece of first sucking disc, the round hole has been seted up to one side of connection piece, the quantity of round hole is four, one of them the couple has been tied and hung to the inside of round hole, the one end fixedly connected with connecting plate of couple, the spout has been seted up to the upper surface of connecting plate, the inside sliding connection of spout has the slider, the top fixedly connected with U-shaped plate of slider, the inside hinged joint of U-shaped plate has the fixed strip, the surface of needle bar has cup jointed the cover block, the rectangular channel has been seted up to one side of cover block, the inside fixedly connected with pivot of rectangular channel, the surface of pivot has cup jointed the pipe.
In an optional embodiment, the outer surface of the circular tube is fixedly connected with one end of the fixing strip, the sleeve block is located above the sleeve, and the circular tube plays a role in connecting the fixing strip and the sleeve block together through the rotating shaft, so that the function of facilitating connection is achieved.
In an optional embodiment, the top end outside the sleeve is fixedly connected with two fixing rods, the two fixing rods are symmetrically arranged around the central line of the sleeve, and the two fixing rods enable a doctor to insert a needle rod into the sleeve more conveniently when the doctor uses the sleeve.
In an optional embodiment, one side of the upper surface of the connecting plate is provided with a strip-shaped groove, the inside of the strip-shaped groove is in threaded connection with a bolt, the outside of the bolt is fixedly connected with four anti-slip blocks, the four anti-slip blocks are fixedly connected to the outside of the bolt in an annular array, after a doctor punctures the patient, the hook is fastened outside the connecting plate by arranging a connecting plate, a round hole, a hook, a connecting plate, a sliding groove, a sliding block, a U-shaped plate, a fixing strip, a sleeve block, a rectangular groove, a rotating shaft, a round pipe, a fixing rod, a strip-shaped groove, a bolt, an anti-slip block, a fixing seat and a second sucking disc, the connecting plate is fixed by contacting the connecting plate with the skin of the patient through the second sucking disc, then the doctor stirs the sliding block to slide in the sliding groove, and then the bolt is screwed by adjusting the position of the sliding block in the sliding groove, can prevent the slider removal to fixing the slider in the spout when the bottom of bolt and slider contact, and then reach the purpose of fixing the needle bar to reach and avoid the doctor to lead to the purpose that doctor's arm ache influences the operation effect condition and takes place because of needing long-time hand puncture ware always when carrying out the puncture operation to the patient, improved the practicality of this device, and the doctor of being convenient for uses.
In an optional embodiment, the lower surface of the connecting plate is fixedly connected with a fixed seat, the bottom of the fixed seat is provided with a second sucker, the semicircular cover and the connecting plate can be fixed firmly by arranging the first sucker and the second sucker and arranging the material of the semicircular cover into glass, the space occupied by fixing the semicircular cover and the connecting plate by other fixing structures can be reduced, the sucker is smaller and has lower cost, so that the device is convenient for doctors to use and has the effect of saving cost, the sucker can be reused after disinfection, the practicability of the device is further improved, the material of the semicircular cover is arranged into glass, the doctors can conveniently observe the puncture, the laparoscopic puncture operation of patients can be conveniently carried out by the doctors, and the secondary injury to the puncture due to more laparoscopic puncture devices used due to more punctures can be prevented, avoid causing medical malpractice, improved the practicality of this device.
In an optional embodiment, the one end fixedly connected with puncture ware of needle bar, the outside of puncture ware is provided with the button, the material of semi-circular cover is glass, and puncture ware and button play the effect that the staff used, establish the material of semi-circular cover into glass and can make things convenient for the doctor to observe the puncture, and the doctor of being convenient for carries out the peritoneoscope operation of puncture to the patient, and can prevent to lead to the fact the secondary damage to the puncture because of the more peritoneoscope puncture ware that leads to using of puncture more leads to the fact the puncture, avoids causing the medical accident, has improved the practicality of this device.
In an optional implementation mode, the top end of the puncture outfit is fixedly connected with a handle, the top end of the handle is designed in an arc shape, and the handle is arranged to facilitate a doctor to puncture a patient and take the puncture outfit.
In an optional implementation mode, the outer surface of the sleeve block is provided with a screw hole, the inner thread of the screw hole is connected with a fixing bolt, and when the needle rod adjusting device is used by a doctor, the fixing bolt is screwed, so that the sleeve block can slide up and down outside the needle rod to be adjusted, and the adjusting capacity of the needle rod adjusting device is improved.
In an alternative embodiment, the needle rod comprises an upper needle rod, a lower needle rod is inserted in the upper needle rod, the outer part of the upper needle rod is provided with a hole, the inner part of the hole is in threaded connection with an adjusting switch, when a doctor carries out laparoscopic surgery on a patient, the semicircular cover is fixed outside the skin of the puncture position of the patient through the first sucker, then the needle rod penetrates through the sleeve to puncture the patient, after the puncture of the patient, the circular sheet can drive the threaded rod to rotate by screwing the circular sheet, the threaded rod penetrates through the sleeve to be in contact with the needle rod so as to fix the needle rod and prevent the needle rod from moving, and through adjusting the length of the needle rod and through twisting the circular piece soon and then can make the doctor adjust the depth of penetration, improved the practicality of this device, made things convenient for the doctor to use, thereby the doctor can adjust the length of needle rod through controlling adjustment switch.
In an optional implementation mode, holes are formed in two sides of the inner wall of the U-shaped plate, a rotating block is inserted into each hole, one end of each rotating block is fixedly connected with the fixing strip, and the U-shaped plate is connected with the fixing strip through the rotating block in a hinged mode, so that a hinge structure is formed among the U-shaped plate, the rotating block and the fixing strip, the connecting effect is achieved, and the adjustment is convenient.
Compared with the prior art, the invention has the beneficial effects that:
1. the positioning mechanism comprises a semicircular cover, a first sucker, two limiting blocks, a ball and a sleeve; the adjusting mechanism comprises a threaded rod and a threaded hole arranged on the outer surface of the sleeve, and the threaded rod is used for locking or loosening the needle rod; when a doctor carries out laparoscopic surgery on a patient, the semicircular cover is fixed outside the skin of the puncture position of the patient through the first sucker, then the needle rod penetrates through the sleeve to puncture the patient, after the patient is punctured, the threaded rod is rotated through screwing, the threaded rod penetrates through the sleeve to be in contact with the needle rod so as to fix the needle rod and prevent the needle rod from moving, and the needle rod can be adjusted in puncture depth by adjusting the length of the needle rod and screwing the circular sheet, so that the practicability of the device is improved, the use of the device is facilitated for the doctor, the first sucker is adsorbed outside the skin of the patient and can play a role in positioning the needle rod, the limiting block can limit the round ball through the limiting block, the round ball and the sleeve, and the doctor can conveniently adjust the puncture angle of the needle rod due to the fact that the needle rod is inserted into the round ball when the patient carries out the laparoscopic surgery, the staff of being convenient for uses, has further improved the practicality of this device.
2. In the invention, by arranging the connecting sheet, the round hole, the hook, the connecting plate, the chute, the sliding block, the U-shaped plate, the fixing strip, the sleeve block, the rectangular groove, the rotating shaft, the round pipe, the fixing rod, the strip-shaped groove, the bolt, the anti-skidding block, the fixing seat and the second sucker, after a doctor punctures into the body of a patient, the hook is fastened outside the connecting sheet, the connecting plate is contacted with the skin of the patient through the second sucker so as to fix the connecting plate, then the doctor stirs the sliding block so as to slide in the chute, the bolt is screwed by adjusting the position of the sliding block in the chute, when the bottom end of the bolt is contacted with the sliding block, the sliding block can be fixed in the chute, the sliding block is prevented from moving, and the aim of fixing the needle rod is achieved, thereby achieving the aim of avoiding the situation that the arm ache of the doctor caused by using a hand puncture device for a long time when the doctor punctures the patient to affect the operation effect is achieved, the practicability of the device is improved, and the device is convenient for doctors to use.
3. In the invention, the first sucker and the second sucker can fix the semicircular cover and the connecting plate by arranging the first sucker and the second sucker and arranging the semicircular cover made of glass, and the fixation is firmer, the occupied space for fixing the semicircular cover and the connecting plate by other fixing structures can be reduced, and the sucker is smaller and has lower cost, thereby not only being convenient for doctors to use and playing the role of saving cost, but also being capable of secondary utilization after the sucker is disinfected, thereby improving the practicability of the device, facilitating the observation of the puncture for the doctor and the laparoscope puncture operation for the patient by setting the semicircular cover as glass, and can prevent to lead to the fact secondary damage to the puncture because of the many peritoneoscope puncture outfit that leads to the use of puncture mouthful is more, avoids causing medical accident, has improved the practicality of this device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the bushing of the present invention;
FIG. 3 is a schematic structural view of a circular plate according to the present invention;
FIG. 4 is a schematic cross-sectional view of a semicircular cover according to the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 6 is an enlarged view of the structure at B in FIG. 1 according to the present invention.
In the figure: 1. a semicircular cover; 2. a limiting block; 3. a ball; 4. a sleeve; 5. a needle bar; 501. an upper needle rod; 502. a lower needle bar; 503. an adjustment switch; 6. a puncture needle head; 7. a threaded rod; 8. a circular sheet; 9. anti-slip strips; 10. a first suction cup; 11. connecting sheets; 12. a circular hole; 13. hooking; 14. a connecting plate; 15. a chute; 16. a slider; 17. a U-shaped plate; 18. a fixing strip; 19. sleeving blocks; 20. a rectangular groove; 21. a rotating shaft; 22. a circular tube; 23. fixing the rod; 24. a strip-shaped groove; 25. a bolt; 26. anti-skid blocks; 27. a fixed seat; 28. a second suction cup; 29. a puncture instrument; 30. a button; 31. a handle; 32. fixing the bolt; 33. and (6) rotating the block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict. Except as specifically noted, the materials and equipment used in this example are commercially available. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. In the description of the present application, "a plurality" means two or more unless specifically stated otherwise.
In the description of the present application, it should be noted that unless otherwise specifically stated or limited, the terms "connected," "communicating," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a connection through an intervening medium, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example (b):
referring to fig. 1 to 6, a puncture depth-adjustable puncture instrument includes:
the positioning mechanism comprises a semicircular cover 1, a first sucking disc 10, two limiting blocks 2, a round ball 3 and a sleeve 4; the top of the semicircular cover 1 is provided with a through hole, and the bottom of the semicircular cover is provided with an opening; the bottom end of the semicircular cover 1 is fixedly connected with a first suction disc 10; the semi-circular cover 1 is fixedly connected with two limiting blocks 2 inside, a containing cavity is formed between the two limiting blocks 2 and comprises a round ball containing chamber, a first channel positioned above the round ball containing chamber and a second channel positioned below the round ball containing chamber, and the first channel and the second channel are respectively communicated with the round ball containing chamber; the ball is rotatably arranged in the ball accommodating chamber and is provided with a jack penetrating through the upper surface and the lower surface, one end of the sleeve 4 is arranged in the jack, and the other end of the sleeve sequentially penetrates through the jack, the first channel and the through hole and extends out of the top surface of the semicircular cover 1;
the puncture core comprises a needle rod 5 and a puncture needle head 6 arranged at the front end of the needle rod 5 and is used for puncturing the target position of the abdominal wall of a patient; the front end of the needle rod 5 sequentially passes through the sleeve 4, the insertion hole of the ball 3 and the second channel and extends out of the bottom opening of the semicircular cover 1;
the adjusting mechanism comprises a threaded rod 7 and a threaded hole arranged on the outer surface of the sleeve 4, and the threaded rod 7 is in threaded connection with the threaded hole; the threaded rod 7 is used to lock or unlock the needle bar 5.
In the using process, when a doctor carries out laparoscopic surgery on a patient, the semicircular cover 1 is fixed outside the skin of the puncture position of the patient through the first sucker 10, then the needle rod 5 penetrates through the sleeve 4 to puncture the patient, after the patient is punctured, the threaded rod 7 is rotated by screwing, the threaded rod 7 penetrates through the sleeve 4 to be contacted with the needle rod 5 so as to fix the needle rod 5 and prevent the needle rod 5 from moving, and the doctor can adjust the puncture depth by adjusting the length of the needle rod 5 and screwing the circular sheet 8, so that the practicability of the device is improved, the use of the device is convenient for the doctor, the first sucker 10 is adsorbed outside the skin of the patient and can also play a role in positioning the needle rod 5, and the stopper 2, the spherical ball 3 and the sleeve 4 can limit the spherical ball 2 and further limit the needle rod 5 when the doctor carries out the laparoscopic surgery on the patient, make things convenient for the doctor to adjust the puncture angle of needle bar 5, the staff of being convenient for uses, has further improved the practicality of this device.
In a preferred embodiment of the invention, one end of the threaded rod 7 is fixedly connected with a circular sheet 8, the outside of the circular sheet 8 is fixedly connected with an anti-slip strip 9, the outside of the first suction cup 10 is fixedly connected with a connecting sheet 11, one side of the connecting sheet 11 is provided with a circular hole 12, the number of the circular holes 12 is four, a hook 13 is fastened and hung inside one circular hole 12, one end of the hook 13 is fixedly connected with a connecting sheet 14, the upper surface of the connecting sheet 14 is provided with a sliding groove 15, the inside of the sliding groove 15 is slidably connected with a sliding block 16, the top end of the sliding block 16 is fixedly connected with a U-shaped sheet 17, the inside of the U-shaped sheet 17 is hinged with a fixing strip 18, the outer surface of the needle rod 5 is sleeved with a sleeve block 19, one side of the sleeve block 19 is provided with a rectangular groove 20, the inside of the rectangular groove 20 is fixedly connected with a rotating shaft 21, and the outer surface of the rotating shaft 21 is sleeved with a circular tube 22. By arranging the connecting piece 11, the round hole 12, the hook 13, the connecting plate 14, the sliding groove 15, the sliding block 16, the U-shaped plate 17, the fixing strip 18, the sleeve block 19, the rectangular groove 20, the rotating shaft 21, the round pipe 22, the fixing rod 23, the strip-shaped groove 24, the bolt 25, the anti-skidding block 26, the fixing seat 27 and the second sucking disc 28, after a doctor punctures into the body of the patient, the hook 13 is fastened outside the connecting piece 11, the connecting plate 14 is in contact with the skin of the patient through the second sucking disc 28 to fix the connecting plate 14, then the doctor pulls the sliding block 16 to slide the sliding block 16 in the sliding groove 15, the bolt 25 is screwed through adjusting the position of the sliding block 16 in the sliding groove 15, when the bottom end of the bolt 25 is in contact with the sliding block 16, the sliding block 16 is fixed in the sliding groove 15, the sliding block 16 is prevented from moving, the needle rod 5 is further fixed, and the aim of preventing the doctor from using the hand puncture device 29 to lead to the sour arm of the doctor for a long time when the patient is punctured is achieved, and the doctor The purpose of affecting the situation of the operation effect is achieved, the device is improved in practicability and convenient for a doctor to use, one end of a hook 13 is fixedly connected with a connecting plate 14, the upper surface of the connecting plate 14 is provided with a sliding groove 15, the inside of the sliding groove 15 is connected with a sliding block 16 in a sliding manner, the top end of the sliding block 16 is fixedly connected with a U-shaped plate 17, the inside of the U-shaped plate 17 is hinged with a fixing strip 18, the outer surface of a needle rod 5 is sleeved with a sleeve block 19, one side of the sleeve block 19 is provided with a rectangular groove 20, the inside of the rectangular groove 20 is fixedly connected with a rotating shaft 21, the outer surface of the rotating shaft 21 is sleeved with a round pipe 22, when the doctor performs laparoscopic operation on a patient, the semicircular cover 1 is fixed outside the skin of the puncture position of the patient through a first sucking disc 10, then the needle rod 5 penetrates through the sleeve 4 to puncture the patient, and the round piece 8 can drive a threaded rod 7 to rotate by screwing the round piece 8, thereby threaded rod 7 runs through sleeve pipe 4 and needle bar 5 contact and can fix needle bar 5, prevent that needle bar 5 from removing, and through adjusting needle bar 5's length and through revolving to twist circular slice 8 and then can make the doctor can adjust the depth of penetration, the practicality of this device has been improved, make things convenient for the doctor to use, and first suction disc 10 adsorbs can also play the effect of fixing a position needle bar 5 outside patient's skin, and through stopper 2, ball 3 and sleeve pipe 4, stopper 2 can carry on spacingly to ball 3, and then the doctor is pegging graft in ball 3's inside because of the needle bar when carrying out the puncture operation to the patient, make things convenient for the doctor to adjust the puncture angle of needle bar, the staff of being convenient for uses, the practicality of this device has further been improved.
Wherein, the outer surface of the round tube 22 is fixedly connected with one end of the fixed strip 18, the sleeve block 19 is positioned above the sleeve 4, and the round tube 22 plays a role of connecting the fixed strip 18 and the sleeve block 19 together through the rotating shaft 21, thereby playing a role of facilitating connection; the top end outside the sleeve 4 is fixedly connected with two fixing rods 23, the two fixing rods 23 are symmetrically arranged with the center line of the sleeve 4, and the two fixing rods 23 enable a doctor to insert the needle rod 5 into the sleeve 4 more conveniently when the doctor uses the needle rod; one side of the upper surface of the connecting plate 14 is provided with a strip-shaped groove 24, the inner part of the strip-shaped groove 24 is connected with a bolt 25 in a threaded manner, the outer part of the bolt 25 is fixedly connected with anti-skidding blocks 26, the number of the anti-skidding blocks 26 is four, the four anti-skidding blocks 26 are fixedly connected with the outer part of the bolt 25 in an annular array manner, by arranging the connecting plate 11, the round hole 12, the hook 13, the connecting plate 14, the sliding groove 15, the sliding block 16, the U-shaped plate 17, the fixing strip 18, the sleeve block 19, the rectangular groove 20, the rotating shaft 21, the circular pipe 22, the fixing rod 23, the strip-shaped groove 24, the bolt 25, the anti-skidding blocks 26, the fixing seat 27 and the second sucking disc 28, after a doctor punctures and enters the body of the patient, the hook 13 is fastened outside the connecting plate 11, the connecting plate 14 is in contact with the skin of the patient through the second sucking disc 28 so as to fix the connecting plate 14, then the doctor stirs the sliding block 16 so as to slide the sliding block 16 in the sliding groove 15, by adjusting the position of the sliding block 16 in the sliding groove 15 and then screwing the bolt 25, when the bottom end of the bolt 25 is in contact with the sliding block 16, the sliding block 16 can be fixed in the sliding groove 15, the sliding block 16 is prevented from moving, and the purpose of fixing the needle rod 5 is further achieved, so that the purpose of avoiding the situation that the arm pain of a doctor influences the operation effect because the doctor needs to always hold the puncture outfit 29 for a long time when the doctor performs a puncture operation on a patient is achieved, the practicability of the device is improved, and the use by the doctor is facilitated; the lower surface of the connecting plate 14 is fixedly connected with a fixed seat 27, the bottom of the fixed seat 27 is provided with a second sucker 28, the semicircular cover 1 and the connecting plate 14 can be fixed by arranging the first sucker 10 and the second sucker 28 and arranging the material of the semicircular cover 1 into glass, the first sucker 10 and the second sucker 28 can fix the semicircular cover 1 and the connecting plate 14 more firmly, the occupied space for fixing the semicircular cover 1 and the connecting plate 14 by other fixing structures can be reduced, the sucker is smaller and has lower cost, so that the device is convenient for doctors to use and has the function of saving cost, the sucker can be reused after disinfection, the practicability of the device is further improved, the material of the semicircular cover 1 into glass can facilitate the doctors to observe the puncture, the laparoscopic puncture operation of the patient is convenient for the doctors to carry out, and the secondary injury to the puncture caused by more laparoscopic puncture outfits used due to more puncture outfits can be prevented, medical accidents are avoided, and the practicability of the device is improved; one end of the needle bar 5 is fixedly connected with a puncture outfit 29, a button 30 is arranged outside the puncture outfit 29, and the puncture outfit 29 and the button 30 play a role of being used by a worker;
the top end of the puncture outfit 29 is fixedly connected with a handle 31, the top end of the handle 31 is designed in an arc shape, and the handle 31 is arranged to facilitate a doctor to puncture a patient and take the puncture outfit 29; the outer surface of the sleeve block 19 is provided with a screw hole, the inner thread of the screw hole is connected with a fixing bolt 32, and when a doctor uses the device, the sleeve block 19 can slide up and down outside the needle rod 5 to be adjusted by screwing the fixing bolt 32, so that the adjusting capacity of the device is improved; the needle rod 5 comprises an upper needle rod 501, a lower needle rod 502 is inserted in the upper needle rod 501, a hole is arranged outside the upper needle rod 501, an adjusting switch 503 is connected with the inner thread of the hole, when a doctor carries out laparoscopic surgery on a patient, the semicircular cover 1 is fixed outside the skin of the puncture position of the patient through the first suction cup 10, then the needle rod 5 penetrates through the sleeve 4 to puncture the patient, after the puncture of the patient, the circular sheet 8 is screwed, the circular sheet 8 can drive the threaded rod 7 to rotate, the threaded rod 7 penetrates through the sleeve 4 to be in contact with the needle bar 5, so that the needle bar 5 can be fixed, the needle bar 5 is prevented from moving, the length of the needle rod 5 is adjusted, and the circular sheet 8 is screwed, so that a doctor can adjust the puncture depth, the practicability of the device is improved, the device is convenient for the doctor to use, and the doctor can adjust the length of the needle rod 5 by controlling the adjusting switch 503; the hole has all been seted up to the both sides of U-shaped plate 17 inner wall, and the inside grafting of hole has turning block 33, the one end and the fixed strip 18 fixed connection of turning block 33, and U-shaped plate 17 passes through turning block 33 and fixed strip 18 hinged joint for constitute a hinge structure between U-shaped plate 17, turning block 33 and the fixed strip 18, not only play the effect of connecting but also conveniently adjust.
The working principle of the invention is as follows: when a doctor carries out laparoscopic surgery on a patient, the semicircular cover 1 is fixed outside the skin of a puncture position of the patient through the first sucker 10, then the needle rod 5 penetrates through the sleeve 4 to puncture the patient, after the patient is punctured, the circular sheet 8 is twisted to drive the threaded rod 7 to rotate, the threaded rod 7 penetrates through the sleeve 4 to be in contact with the needle rod 5 so as to fix the needle rod 5, the needle rod 5 is prevented from moving, the length of the needle rod 5 is adjusted, the circular sheet 8 is twisted to enable the doctor to adjust the puncture depth, the practicability of the device is improved, the device is convenient for the doctor to use, the first sucker 10 is adsorbed outside the skin of the patient and can also play a role in positioning the needle rod 5, and the limiting block 2, the spherical ball 3 and the sleeve 4 are used for limiting the spherical ball 3, so that the doctor can insert the needle rod into the spherical ball 3 when carrying out the laparoscopic surgery on the patient, the utility model is convenient for the doctor to adjust the puncture angle of the needle bar, is convenient for the staff to use, further improves the practicability of the device, by arranging the connecting piece 11, the round hole 12, the hook 13, the connecting plate 14, the sliding groove 15, the sliding block 16, the U-shaped plate 17, the fixing strip 18, the sleeve block 19, the rectangular groove 20, the rotating shaft 21, the round pipe 22, the fixing rod 23, the strip-shaped groove 24, the bolt 25, the anti-slip block 26, the fixing seat 27 and the second sucking disc 28, after the doctor punctures into the body of the patient, the hook 13 is fastened and hung outside the connecting piece 11, the connecting plate 14 is contacted with the skin of the patient through the second sucking disc 28 to fix the connecting plate 14, then the doctor stirs the sliding block 16 to slide in the sliding groove 15, the bolt 25 is screwed through adjusting the position of the sliding block 16 in the sliding groove 15, when the bottom end of the bolt 25 is contacted with the sliding block 16, the sliding block 16 can be fixed in the sliding groove 15, the slider 16 is prevented from moving, so that the needle rod 5 is fixed, the situation that the arm ache of a doctor is caused to influence the operation effect when the doctor needs to always hold the puncture outfit 29 for a long time when the puncture operation is carried out on a patient is avoided, the practicability of the device is improved, the use of the device is convenient for the doctor, the first sucker 10 and the second sucker 28 can fix the semicircular cover 1 and the connecting plate 14 by arranging the first sucker 10 and the second sucker 28 and setting the material of the semicircular cover 1 into glass, the fixation is firm, the occupied space for fixing the semicircular cover 1 and the connecting plate 14 by other fixing structures can be reduced, the suckers are small and have low cost, so that the device is convenient for the use of the doctor and has the effect of saving the cost, the suckers can be reused after being disinfected, and the practicability of the device is improved, establish the material of semi-circular cover 1 into glass and can make things convenient for the doctor to observe the puncture, the doctor of being convenient for carries out the peritoneoscope operation of puncture to the patient, and can prevent to lead to the fact the secondary injury to the puncture because of the more peritoneoscope puncture ware that leads to using of puncture more leads to, avoids causing the medical accident, has improved the practicality of this device.
While only certain features and embodiments of the application have been illustrated and described, many modifications and changes may occur to those skilled in the art (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the scope and spirit of the invention in the claims.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention should not be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. A puncture instrument with adjustable puncture depth, comprising:
the positioning mechanism comprises a semicircular cover, a first sucker, two limiting blocks, a ball and a sleeve; the top of the semicircular cover is provided with a through hole, and the bottom of the semicircular cover is provided with an opening; the bottom end of the semicircular cover is fixedly connected with the first sucker; the two limiting blocks are fixedly connected inside the semicircular cover, a containing cavity is formed between the two limiting blocks, the containing cavity comprises a round ball containing chamber, a first channel positioned above the round ball containing chamber and a second channel positioned below the round ball containing chamber, and the first channel and the second channel are respectively communicated with the round ball containing chamber; the ball is rotatably arranged in the ball accommodating chamber, the ball is provided with a jack penetrating through the upper surface and the lower surface of the ball, one end of the sleeve is arranged in the jack, and the other end of the sleeve sequentially penetrates through the jack, the first channel and the through hole and extends out of the top surface of the semicircular cover;
the puncture core comprises a needle rod and a puncture needle head arranged at the front end of the needle rod and is used for puncturing the target position of the abdominal wall of a patient; the front end of the needle rod sequentially penetrates through the sleeve, the insertion hole of the ball and the second channel and extends out of the bottom opening of the semicircular cover;
the adjusting mechanism comprises a threaded rod and a threaded hole arranged on the outer surface of the sleeve, and the threaded rod is in threaded connection with the threaded hole; the threaded rod is used for locking or unlocking the needle rod.
2. The adjustable puncture depth puncture outfit of claim 1, wherein a circular plate is fixedly connected to one end of the threaded rod, the outer part of the round piece is fixedly connected with an anti-skid strip, the outer part of the first sucker is fixedly connected with a connecting piece, one side of the connecting piece is provided with four round holes, a hook is fastened and hung in the round hole, one end of the hook is fixedly connected with a connecting plate, the upper surface of the connecting plate is provided with a chute, the inside of the chute is connected with a slide block in a sliding way, the top end of the slide block is fixedly connected with a U-shaped plate, the inside of the U-shaped plate is hinged with a fixed strip, the outer surface of the needle rod is sleeved with a sleeve block, a rectangular groove is formed in one side of the sleeve block, a rotating shaft is fixedly connected to the inside of the rectangular groove, and a circular tube is sleeved on the outer surface of the rotating shaft.
3. The adjustable puncture depth puncture outfit of claim 2, wherein the outer surface of the circular tube is fixedly connected with one end of the fixing strip, and the sleeve block is positioned above the cannula.
4. The puncture device with adjustable puncture depth as claimed in claim 2, wherein the top end of the outer portion of the cannula is fixedly connected with two fixing rods, and the two fixing rods are symmetrically arranged around the center line of the cannula.
5. The puncture depth-adjustable puncture outfit of claim 2, wherein a strip-shaped groove is formed in one side of the upper surface of the connecting plate, a bolt is connected to the inner thread of the strip-shaped groove, anti-slip blocks are fixedly connected to the outer portion of the bolt, the number of the anti-slip blocks is four, and the four anti-slip blocks are fixedly connected to the outer portion of the bolt in an annular array.
6. The puncture depth-adjustable puncture outfit of claim 2, wherein a fixed seat is fixedly connected to the lower surface of the connecting plate, and a second suction cup is arranged at the bottom of the fixed seat.
7. The puncture outfit with the adjustable puncture depth as claimed in claim 2, wherein one end of the needle bar is fixedly connected with the puncture outfit, a button is arranged outside the puncture outfit, and the semicircular cover is made of glass.
8. The puncture device with the adjustable puncture depth as claimed in claim 2, wherein a handle is fixedly connected to the top end of the puncture device, and the top end of the handle is designed in an arc shape; the outer surface of the sleeve block is provided with a screw hole, and the inner thread of the screw hole is connected with a fixing bolt.
9. The puncture depth-adjustable puncture outfit of claim 2, wherein the needle rod comprises an upper needle rod, a lower needle rod is inserted into the upper needle rod, a hole is formed in the outer part of the upper needle rod, and an adjusting switch is connected to the inner thread of the hole.
10. The puncture depth-adjustable puncture outfit of claim 2, wherein holes are formed on both sides of the inner wall of the U-shaped plate, a rotating block is inserted into the holes, one end of the rotating block is fixedly connected with the fixing strip, and the U-shaped plate is hinged with the fixing strip through the rotating block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111117679.9A CN113827320B (en) | 2021-09-23 | 2021-09-23 | Puncture ware of puncture degree of depth adjustable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111117679.9A CN113827320B (en) | 2021-09-23 | 2021-09-23 | Puncture ware of puncture degree of depth adjustable |
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| CN113827320A true CN113827320A (en) | 2021-12-24 |
| CN113827320B CN113827320B (en) | 2023-06-09 |
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| CN202111117679.9A Active CN113827320B (en) | 2021-09-23 | 2021-09-23 | Puncture ware of puncture degree of depth adjustable |
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|---|---|
| CN113827320B (en) | 2023-06-09 |
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