CN213310169U - External member for continuous block of nerve plexus - Google Patents
External member for continuous block of nerve plexus Download PDFInfo
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- CN213310169U CN213310169U CN202021626450.9U CN202021626450U CN213310169U CN 213310169 U CN213310169 U CN 213310169U CN 202021626450 U CN202021626450 U CN 202021626450U CN 213310169 U CN213310169 U CN 213310169U
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Abstract
The utility model discloses a kit for continuous nerve plexus blocking, which comprises an indwelling tube, a metal wire, a first fastening and connecting device or a second fastening and connecting device; the indwelling tube is secondarily positioned through the metal wire and the fastening and connecting device, so that the positioning accuracy of the indwelling tube is greatly improved. The utility model provides an external member, design benefit, convenient to use can show the success rate that improves the continuous retardation of plexus, is fit for promoting in a large number clinically.
Description
Technical Field
The utility model belongs to the field of medical equipment, concretely relates to external member for plexus is retardant in succession.
Background
The continuous block means of the plexus is very common in the treatment process, and how to position the block is the key point. The traditional continuous nerve plexus blocking kit mainly comprises a nerve stimulating needle, an indwelling catheter, a nerve stimulating instrument, a fixer and the like, and the operation method mainly comprises the following steps: after the nerve stimulation needle is punctured, the nerve stimulation needle is connected with a stimulator for positioning, then an indwelling catheter is placed, and the medicine is delivered through an adapter on a fixer for subsequent continuous block of the plexus. However, when the indwelling catheter is inserted, the insertion is usually performed only according to the personal experience of the operating medical staff, so that the situation that the tip of the catheter deviates from the target nerve often occurs, and the nerve blocking effect is very poor or even the nerve blocking fails.
Therefore, there is a need for a device configuration for continuous block of the plexus that improves the success rate of the block.
SUMMERY OF THE UTILITY MODEL
The utility model provides a kit for plexus is retardant in succession, at least one kind technical problem that exists among its at least ability solution prior art mainly realizes through following technical scheme:
a kit for continuous block of a nerve plexus, comprising:
the metal wire comprises a head end and a tail end, and scale marks are arranged on the outer wall of the metal wire;
the indwelling pipe comprises a head end and a tail end, and scale marks are arranged on the outer wall of the indwelling pipe and can accommodate the metal wires;
a first fastening connection device or a second fastening connection device;
the length of the metal wire is greater than that of the indwelling tube;
the first fastening connection means comprises:
a clamp for clamping and fastening the indwelling tube and the wire;
a first conductive line;
the second fastening connection means comprises:
the locking box is provided with an internal cavity, the surface of the locking box is provided with an opening, an outlet, a first through hole, a second through hole and a third through hole which are communicated with the internal cavity of the locking box, the central line of the opening is perpendicular to the central line of the first through hole, the central line of the second through hole and the central line of the third through hole, the central line of the opening is coincided with the central line of the outlet, and the central line of the second through hole is coincided with the central line of the third through hole; the tail end of the indwelling tube is accessible to the internal cavity of the locking box through the opening;
the second fastening connection further comprises:
the first tightening device comprises a first connecting rod, a first soft film is arranged at one end of the first connecting rod, and the first connecting rod is in threaded connection with the first through hole, so that the first soft film can move in the inner cavity of the locking box;
the second fastening connection further comprises:
the second tightening device comprises a second connecting rod, a metal sheet is arranged at one end of the second connecting rod, the second connecting rod is in threaded connection with the second through hole, so that the metal sheet can move in the inner cavity of the locking box, the second tightening device further comprises a second lead, and one end of the second lead is connected with the metal sheet;
the second fastening connection further comprises:
and the third tightening device comprises a third connecting rod, a second flexible film is arranged at one end of the third connecting rod, and the third connecting rod is in threaded connection with the third through hole, so that the second flexible film can move in the inner cavity of the locking box.
In practical application, the external member for continuous block of nerve plexus provided by the utility model is matched with a conventional nerve stimulation needle, a nerve stimulation instrument and a fixer for use; the clip in the first fastening means, the first wire and the second wire in the second fastening means may all be common clips and wires.
The specific using method comprises the following steps: when in use, firstly, the nerve stimulation needle is adopted for puncture, the nerve stimulation needle is connected with the nerve stimulation instrument for positioning, then the indwelling tube is placed (the head end is positioned in the human body, and the tail end is positioned outside the human body), then the metal wire is placed (the head end is positioned in the human body, and the tail end is positioned outside the human body), the metal wire is controlled to protrude out of the head end of the indwelling tube by 0.5-1 cm according to the scale mark of the indwelling tube and the scale mark of the metal wire, then the indwelling tube and the metal wire are fixed (if a first fastening connecting device is adopted, the clamp is used for clamping the indwelling tube, at the moment, the metal wire is positioned in the indwelling tube and can be clamped and fixed together, then the metal wire exposing the tail end of the indwelling tube and the nerve stimulation instrument are connected by adopting a first lead, if a second fastening connecting device is adopted, the tail end of the indwelling tube is stretched into the opening to, compress tightly exposing the wire of keeping somewhere the pipe tail end through second flexible glue piece and sheetmetal, at this moment, what the other end that the sheetmetal was not connected to the second wire is the neurostimulation appearance), then according to the neurostimulation appearance, the position of keeping somewhere the pipe is constantly adjusted, fixes a position accurate back, demolishs first fastening connection device or second fastening connection device, takes out the wire, will keep somewhere again that the pipe is connected with the fixer for the administration in later stage carries out the continuous retardation of nerve plexus.
The first fastening and connecting device is adopted, two steps of operation are needed, meanwhile, the clamp can enable the indwelling tube to deform to a certain extent, and the later-stage drawing out of the metal wire can be possibly avoided, so that the positioning accuracy is influenced; and the second fastening and connecting device is adopted, so that the flexible clamping is realized, the influence on the indwelling tube is small, and the metal wire is drawn out more smoothly in the later period. Simultaneously can adopt a tightening means to keep somewhere the pipe and fix, but the wire is owing to be located the inside of keeping somewhere the pipe, if adopt single tightening means to fix, then the skew of wire position in keeping somewhere the pipe can appear, influence the location, so the utility model discloses set up second tightening means and third tightening means and compress tightly fixedly.
In some preferred embodiments, the wall of the indwelling tube has a through hole therein from the head end to the tail end to receive the wire. Through the through holes formed in the tube wall, on one hand, the purpose of the scheme can be achieved, and meanwhile, the administration flow can be increased.
In some preferred implementations, the head end of the wire is hemispherical. The head end is arranged to be hemispherical, so that additional damage to body tissues can be avoided.
In some preferred implementation cases, the outer wall of the head end of the indwelling tube is provided with a plurality of medicine outlet holes penetrating through the tube wall of the indwelling tube. The medicine outlet hole on the side can improve the flow of medicine, on the other hand, when the pipe orifice at the head end of the indwelling pipe is blocked, the liquid medicine during medicine administration can reach the target nerve from the medicine outlet hole, and the blocking is completed.
In some preferred embodiments, the first flexible film, the metal film and the second flexible film are cylindrical or rectangular. The arrangement in a regular shape can reduce production costs.
In some preferred embodiments, the material of the indwelling tube is polyamide; the metal wire is made of stainless steel.
The utility model has the advantages that: the utility model provides an external member, design benefit, convenient to use can show the success rate that improves the continuous retardation of plexus, is fit for promoting in a large number clinically.
Drawings
FIG. 1 is a schematic view of the indwelling tube and wire used in combination in example 1;
FIG. 2 is a schematic cross-sectional view of the indwelling tube and wire used in conjunction with example 1;
FIG. 3 is a schematic view of a second fastening device according to embodiment 2;
FIG. 4 is a schematic sectional view of a second fastening-connection device according to embodiment 2;
FIG. 5 is a schematic sectional view of a second tightening device according to embodiment 2;
FIG. 6 is a schematic cross-sectional view of a first tightening device according to embodiment 2;
fig. 7 is a schematic sectional view of a third tightening device according to embodiment 2.
Detailed Description
The conception and the technical effects of the present invention will be clearly and completely described below with reference to the embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example 1:
a kit for continuous block of nerve plexus comprises a clamp, a guide wire, an indwelling tube 100 (comprising a head end and a tail end, the outer wall of which is provided with scale marks, the structure of which is shown in figures 1-2, the scale marks are not shown in the figures), a metal wire 300 (comprising a head end and a tail end, the head end is hemispherical, the length of the metal wire is larger than that of the indwelling tube 100, the outer wall of which is provided with scale marks, the structure of which is shown in figures 1-2, and the scale marks are not shown in the figures).
The indwelling tube 100 comprises a tube wall 110 and an intra-tube channel 120, wherein a through hole 200 is arranged in the tube wall 110 of the indwelling tube 100, and a medicine outlet hole 400 penetrating through the tube wall 110 of the indwelling tube 100 is also arranged on the outer wall of the head end of the indwelling tube 100.
When the continuous block of the nerve plexus is carried out, the kit of the embodiment is used in cooperation with a nerve stimulation needle, a nerve stimulation instrument and a fixer, and the use method comprises the following steps:
firstly, puncturing a human body by nerve stimulation, positioning by connecting a nerve stimulator, then placing an indwelling tube 100, keeping the head end of the indwelling tube in the human body, withdrawing from a nerve stimulation needle, then placing a metal wire 300 into a through hole 200, controlling the metal wire 300 to protrude out of the head end of the indwelling tube 100 by 0.5-1 cm according to scale marks on the outer wall of the indwelling tube 100 and scale marks on the outer wall of the metal wire 300, then clamping the indwelling tube 100 at a position close to the tail end of the human body by a clamp (simultaneously realizing the fixation of the metal wire 300), connecting the part of the metal wire 300 exposed out of the tail end of the indwelling tube 100 with the nerve stimulator by a lead, continuously adjusting the indwelling tube 100 according to the nerve stimulator, loosening the clamp after accurate positioning, removing the lead, extracting the metal wire 300, then connecting the indwelling tube 100 with a fixer, feeding by an adapter of the fixer, and feeding liquid medicine through a medicine outlet 400, The through hole 200 and the orifice of the tip end of the indwelling tube 100 reach the target nerve, thereby achieving continuous block of the plexus.
Example 2:
a kit for continuous nerve plexus blocking comprises an indwelling tube 100 (comprising a head end and a tail end, scale marks are arranged on the outer wall of the indwelling tube, the structure of the indwelling tube is shown in figures 1-2, scale marks are not shown in the figures), a wire 300 (comprising a head end and a tail end, the head end is hemispherical, the length of the wire is larger than that of the indwelling tube 100, scale marks are arranged on the outer wall of the wire, the structure of the wire is shown in figures 1-2, scale marks are not shown in the figures), and a second fastening and connecting device (the structure of the wire is shown in figures 3.
The indwelling tube 100 comprises a tube wall 110 and an intra-tube channel 120, wherein a through hole 200 is arranged in the tube wall 110 of the indwelling tube 100, and a medicine outlet hole 400 penetrating through the tube wall 110 of the indwelling tube 100 is also arranged on the outer wall of the head end of the indwelling tube 100.
The second fastening and connecting device comprises a locking box 500, the locking box 500 is provided with an internal cavity 510, the surface of the locking box 500 is provided with an opening 520 communicated with the internal cavity 510 of the locking box 500, an outlet 530, a first through hole 540 (the inner wall of which is provided with a thread), a second through hole 550 (the inner wall of which is provided with a thread) and a third through hole 560 (the inner wall of which is provided with a thread), the center line of the opening 520 is vertical to the center line of the first through hole 540, the center line of the second through hole 550 and the center line of the third through hole 560, the center line of the opening 520 is coincident with the center line of the outlet 530, and the center line of the second through hole 550;
the second fastening and connecting device further comprises a first tightening device 610, the first tightening device 610 comprises a first connecting rod 611, one end of the first connecting rod 611 is provided with a first soft rubber sheet 612, and the outer wall of the first connecting rod 611 is provided with threads which are matched with the threads on the inner wall of the first through hole 540;
the second fastening and connecting device further comprises a second tightening device 620, the second tightening device 620 comprises a second connecting rod 621, one end of the second connecting rod 621 is provided with a metal sheet 622, the outer wall of the second connecting rod 621 is provided with threads which are matched with the threads on the inner wall of the second through hole 550, the second tightening device 620 further comprises a lead 623, one end of the lead 623 is connected with the metal sheet 622, and the other end of the lead 623 is connected with the neurostimulation instrument;
the second fastening device further includes a third tightening device 630, the third tightening device 630 includes a third connecting rod 631, one end of the third connecting rod 631 is provided with a second flexible tab 632, and the outer wall of the third connecting rod 631 is provided with threads adapted to the threads on the inner wall of the third through hole 560.
When the continuous block of the nerve plexus is carried out, the kit of the embodiment is used in cooperation with a nerve stimulation needle, a nerve stimulation instrument and a fixer, and the use method comprises the following steps:
firstly, the nerve stimulation is adopted to puncture the human body, the nerve stimulation instrument is connected for positioning, then the indwelling tube 100 is placed, the head end of the indwelling tube is kept in the human body, the nerve stimulation needle is withdrawn, then the metal wire 300 is placed into the through hole 200, the metal wire 300 is controlled to protrude out of the head end of the indwelling tube 100 by 0.5-1 cm according to the scale marks on the outer wall of the indwelling tube 100 and the scale marks on the outer wall of the metal wire 300, then the indwelling tube 100 is sleeved by the opening 520 of the locking box 500, so that the tail end of the indwelling tube 100 is locked in the inner cavity 510 of the locking box 500, then the metal wire 300 exposed out of the tail end of the indwelling tube 100 is pressed by the first soft rubber sheet 612 of the first tightening device 610 through screw thread matching, the metal sheet 622 of the second tightening device 620 and the second soft rubber sheet 632 of the third tightening device 630 are pressed to realize fixation, meanwhile, the lead 623 connected with the metal sheet 300 is connected with the, no additional lead is needed for connection; after the positioning is accurate, the first tightening device 610, the second tightening device 620 and the third tightening device 630 are loosened through thread matching, the locking box 500 is removed, the metal wire 300 is drawn out, the indwelling tube 100 is connected with the fixator, the drug is administered through the adapter of the fixator, and the drug solution can reach the target nerve through the drug outlet hole 400, the through hole 200 and the tube opening at the head end of the indwelling tube 100, so that the continuous block of the nerve plexus is realized.
Claims (7)
1. A kit for continuous block of a nerve plexus, comprising:
the metal wire comprises a head end and a tail end, and scale marks are arranged on the outer wall of the metal wire;
the indwelling pipe comprises a head end and a tail end, and scale marks are arranged on the outer wall of the indwelling pipe and can accommodate the metal wires;
a first fastening connection device or a second fastening connection device;
the length of the metal wire is greater than that of the indwelling tube;
the first fastening connection means comprises:
the clamp is used for clamping and fastening the retention tube;
a first conductive line;
the second fastening connection means comprises:
the locking box is provided with an internal cavity, the surface of the locking box is provided with an opening, an outlet, a first through hole, a second through hole and a third through hole which are communicated with the internal cavity of the locking box, the central line of the opening is perpendicular to the central line of the first through hole, the central line of the second through hole and the central line of the third through hole, the central line of the opening is coincided with the central line of the outlet, and the central line of the second through hole is coincided with the central line of the third through hole; the tail end of the indwelling tube is accessible to the internal cavity of the locking box through the opening;
the second fastening connection further comprises:
the first tightening device comprises a first connecting rod, a first soft film is arranged at one end of the first connecting rod, and the first connecting rod is in threaded connection with the first through hole, so that the first soft film can move in the inner cavity of the locking box;
the second fastening connection further comprises:
the second tightening device comprises a second connecting rod, a metal sheet is arranged at one end of the second connecting rod, the second connecting rod is in threaded connection with the second through hole, so that the metal sheet can move in the inner cavity of the locking box, the second tightening device further comprises a second lead, and one end of the second lead is connected with the metal sheet;
the second fastening connection further comprises:
and the third tightening device comprises a third connecting rod, a second flexible film is arranged at one end of the third connecting rod, and the third connecting rod is in threaded connection with the third through hole, so that the second flexible film can move in the inner cavity of the locking box.
2. The kit for continuous block of nerve plexus as claimed in claim 1, wherein said indwelling tube has a through hole in the wall from the head end to the tail end for receiving said wire.
3. The kit for plexus continuous block of claim 1, wherein the head end of the wire is hemispherical.
4. The kit for continuous nerve plexus blockage according to claim 1, wherein the outer wall of the head end of the indwelling tube is provided with a plurality of drug outlet holes which penetrate through the wall of the indwelling tube.
5. The kit for the continuous block of the nerve plexus as claimed in claim 1, wherein the first soft sheet, the metal sheet and the second soft sheet are cylindrical or rectangular parallelepiped-shaped.
6. The kit for continuous nerve plexus blockage according to claim 1, wherein the material of the indwelling tube is polyamide.
7. The kit for nerve plexus continuous block of claim 1, wherein the material of the wire is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021626450.9U CN213310169U (en) | 2020-08-07 | 2020-08-07 | External member for continuous block of nerve plexus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021626450.9U CN213310169U (en) | 2020-08-07 | 2020-08-07 | External member for continuous block of nerve plexus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213310169U true CN213310169U (en) | 2021-06-01 |
Family
ID=76095017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021626450.9U Active CN213310169U (en) | 2020-08-07 | 2020-08-07 | External member for continuous block of nerve plexus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213310169U (en) |
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2020
- 2020-08-07 CN CN202021626450.9U patent/CN213310169U/en active Active
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